CN212111647U - Power quality monitoring device and distribution network power quality system - Google Patents
Power quality monitoring device and distribution network power quality system Download PDFInfo
- Publication number
- CN212111647U CN212111647U CN202020127037.1U CN202020127037U CN212111647U CN 212111647 U CN212111647 U CN 212111647U CN 202020127037 U CN202020127037 U CN 202020127037U CN 212111647 U CN212111647 U CN 212111647U
- Authority
- CN
- China
- Prior art keywords
- module
- power
- operation processing
- processing module
- distribution network
- 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
- 238000012806 monitoring device Methods 0.000 title claims abstract description 53
- 238000012545 processing Methods 0.000 claims abstract description 82
- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000005070 sampling Methods 0.000 description 12
- 238000012544 monitoring process Methods 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides an electric energy quality monitoring devices and join in marriage net electric energy quality system, wherein, electric energy device monitoring devices includes the operation processing module, electric parameter acquisition module, power module, communication module and at least one image acquisition module, wherein, image acquisition module shoots the surrounding environment image of distribution network system according to presetting time interval, electric parameter acquisition module gathers the electric parameter of distribution network system's distribution lines, operation processing module sends each acquisition signal that acquires to total control server through communication module in real time, the operation state of distribution network system's surrounding environment and distribution network system's distribution lines is known to the total control server of fortune dimension personnel's accessible, thereby realize the real-time supervision of distribution network operating mode, improve fortune dimension efficiency.
Description
Technical Field
The utility model belongs to the technical field of the distribution network system, especially, relate to a power quality monitoring device and join in marriage net power quality system.
Background
The power distribution network system becomes more complex, the evaluation and analysis of the power quality of the power distribution network system, the improvement and treatment of related indexes and the improvement of the stability and the reliability of the power distribution network are more urgent and important. Distributed Generation (DG) such as photovoltaic power, wind power and the like is vigorously developed and utilized, so that the problems of power supply voltage, three-phase unevenness and the like caused by bidirectional flow of power flow of a power distribution network are caused, and a DG system uses a large amount of power electronic equipment to increase harmonic pollution. The power distribution and utilization network has a large amount of sensitive loads, which are very sensitive to transient processes such as voltage sag and the like, and cause great loss to users when the transient processes are serious.
However, the power distribution network has complex environment and wide distribution, and in order to meet the application requirements, the conventional power distribution network power quality device is designed from the aspects of reducing the volume, improving the installation convenience and the like, but the maintenance of tens of thousands of power distribution network power quality devices is not considered, the working condition is difficult to monitor, and the operation and maintenance are difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric energy quality monitoring device aims at solving traditional distribution network system and has the operating mode to be difficult to the monitoring, leads to the problem of fortune dimension difficulty.
A first aspect of an embodiment of the present invention provides an electric energy quality monitoring device, which includes an operation processing module, an electrical parameter acquisition module, a power module, a communication module, and at least one image acquisition module;
the image acquisition module, the electrical parameter acquisition module and the communication module are respectively and electrically connected with the operation processing module, the electrical parameter acquisition module is also connected with a distribution line of a power distribution network system, and the power supply module is respectively and electrically connected with the operation processing module, the image acquisition module and the communication module;
the image acquisition module is used for shooting surrounding environment images of the power distribution network system according to a preset time interval and outputting image acquisition signals to the operation processing module;
the electric parameter acquisition module is used for acquiring electric parameters of a distribution line of the power distribution network system and outputting electric parameter acquisition signals to the operation processing module;
and the operation processing module is used for transmitting the acquired acquisition signals to the master control server through the communication module in real time.
In one embodiment, the image acquisition module comprises a camera.
In one embodiment, the electrical parameter acquisition module comprises a current transformer and a voltage transformer, wherein the current transformer is electrically connected with a distribution line of the power distribution network system, and the voltage transformer is electrically connected with the distribution line of the power distribution network system;
the current transformer is used for collecting the operating current of a distribution line of the power distribution network system and outputting a current collecting signal to the operation processing module;
the voltage transformer is used for collecting the operating voltage of the distribution line of the power distribution network system and outputting a voltage collecting signal to the operation processing module.
In one embodiment, the power module comprises a power conversion circuit, a switch switching circuit and a storage battery;
the power input end of the power supply switching circuit is connected with a distribution line of the power distribution network system, the power output end of the power supply switching circuit is connected with the first input end of the switch switching circuit, the second input end of the switch switching circuit is connected with the power supply end of the storage battery, the controlled end of the switch switching circuit is connected with the control end of the operation processing module, and the power output end of the switch switching circuit is the power output end of the power supply module;
the power conversion circuit is used for performing power conversion on the alternating current of the distribution line of the power distribution network system and outputting a working power supply to the switch switching circuit;
the operation processing module is further used for controlling the first input end and the output end of the switch switching circuit to be communicated when the current sampling signal and the voltage sampling signal are both within a preset electrical parameter threshold value; and
and when one of the current sampling signal and the voltage sampling signal is out of a preset electrical parameter threshold value, controlling the second input end and the output end of the switch switching circuit to be communicated.
In one embodiment, the communication module includes at least one of a 4G communication module, an RS232 communication module, an RS485 communication module, and an ethernet communication module.
In one embodiment, the power quality monitoring device further includes a temperature and humidity detection module, and the temperature and humidity detection module is electrically connected with the operation processing module;
the temperature and humidity detection module is used for detecting temperature and humidity parameters of the power distribution network system and outputting temperature and humidity detection signals to the operation processing module.
In one embodiment, the power quality monitoring device further comprises an internal temperature detection module, wherein the internal temperature detection module is electrically connected with the operation processing module;
the internal temperature detection module is used for detecting the operating temperature inside the power quality monitoring device and outputting a temperature detection signal to the operation processing module.
In one embodiment, the power quality monitoring device further comprises a display screen module, and the display screen module is electrically connected with the operation processing module;
and the operation processing module is also used for displaying the images of the acquired signals and the detection signals through the display screen module.
In one embodiment, the power quality monitoring device further comprises an alarm module, and the alarm module is electrically connected with the operation processing module;
the operation processing module is also used for triggering the alarm module to send an alarm when the acquired signals and the detection signals are greater than preset values.
In one embodiment, the power quality monitoring device further comprises a storage module, wherein the storage module is electrically connected with the operation processing module;
and the storage module is used for storing the corresponding data information of each acquired signal and each detection signal.
The utility model discloses the second aspect of embodiment provides a join in marriage net electric energy quality system, join in marriage net electric energy quality system and include total accuse server and as above electric energy quality monitoring devices.
The utility model discloses an adopt the operation processing module, electric parameter acquisition module, power module, communication module and at least one image acquisition module constitute electric energy quality monitoring devices, wherein, image acquisition module shoots the surrounding environment image of distribution network system according to preset time interval, the electric parameter of distribution network system's distribution lines is gathered to electric parameter acquisition module, operation processing module sends each acquisition signal that acquires to total accuse server through communication module in real time, the operation state of distribution network system's distribution lines is known to fortune dimension personnel's accessible total accuse server, thereby realize the real-time supervision of distribution network operating mode, the problem of fortune dimension difficulty has been solved.
Drawings
Fig. 1 is a schematic view of a first structure of a monitoring device for an electric energy device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electrical parameter acquisition module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a power module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second monitoring device for an electric energy device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The utility model provides an in the first aspect provide an electric energy quality monitoring device.
As shown in fig. 1, the power quality monitoring device includes an operation processing module 10, an electrical parameter acquisition module 20, a power supply module 30, a communication module 40 and at least one image acquisition module 50;
the image acquisition module 50, the electrical parameter acquisition module 20 and the communication module 40 are respectively electrically connected with the operation processing module 10, the electrical parameter acquisition module 20 is also connected with a distribution line of a power distribution network system, and the power supply module 30 is respectively electrically connected with the operation processing module 10, the image acquisition module 50 and the communication module 40;
the image acquisition module 50 is used for shooting surrounding environment images of the power distribution network system according to a preset time interval and outputting image acquisition signals to the operation processing module 10;
the electrical parameter acquisition module 20 is used for acquiring electrical parameters of a distribution line of the power distribution network system and outputting electrical parameter acquisition signals to the operation processing module 10;
and the operation processing module 10 is used for transmitting the acquired acquisition signals to the master control server through the communication module 40 in real time.
In this embodiment, the power distribution network system may be an outdoor power distribution station, an indoor power distribution room, etc., the power quality monitoring device further includes a housing, the operation processing module 10, the electrical parameter acquisition module 20 and the power module 30 may be disposed in the housing, the image acquisition module 50 is disposed on the housing, according to the type of the power distribution network system, the power quality monitoring device may be correspondingly disposed indoors and outdoors, and the mounting manner may be mounted on a wall, a fixing frame, etc. by means of screw locking, fastening, etc.
The power module 30 is used for providing working power for each module in the power quality monitoring device, the power module 30 can be an independent storage battery 31, or a double-circuit power supply circuit comprising the storage battery 31 and a power conversion circuit 32, and a specific structure course is designed according to requirements.
In order to improve the effect of environment monitoring and avoid the generation of a visual blind area, the number and the shooting angle of the image acquisition modules 50 can be installed as required, the environment monitoring can be performed on the power distribution network system by setting the image acquisition modules 50, the monitoring strength of the power distribution network system is improved, for example, components such as an electricity meter and a transformer are monitored to prevent the components from being stolen, the image acquisition modules 50 perform image shooting according to a preset time interval, for example, the interval is 1 minute, the interval time can be correspondingly designed according to the monitoring requirement, after the image shooting is performed, the image acquisition modules 50 transmit the acquired image information to the operation processing module 10 for data analysis, the image acquisition modules 50 can be cameras or cameras and the like, in one embodiment, in order to reduce the design cost, the image acquisition modules 50 are cameras.
Electrical parameter acquisition module 20 may be used to acquire electrical parameters of the distribution lines of the power distribution grid system, such as voltage, current, and outputs the collected electrical parameter collection signal to the operation processing module 10, the electrical parameter collection module 20 may be an integrated collection device, or the collection modules which are respectively independent, such as the current collection module and the voltage collection module, the specific structure can be selected according to the requirement, when the electrical parameter is collected, the distribution line passes through the power quality monitoring device and is electrically connected with the electrical parameter collecting module 20, in one embodiment, as shown in fig. 2, the electrical parameter acquisition module 20 includes a current transformer 21 and a voltage transformer 22, the current transformer 21 being electrically connected to a distribution line of the power distribution grid system, the voltage transformer 22 being electrically connected to a distribution line of the power distribution grid system, the current transformer 21, the system is used for acquiring the running current of a distribution line of the power distribution network system and outputting a current acquisition signal to the operation processing module 10; and the voltage transformers 22 are used for acquiring the operating voltage of the distribution lines of the power distribution network system and outputting voltage acquisition signals to the operation processing module 10, and when the power distribution network system supplies power for a three-wire four-wire system, the number of the current transformers 21 and the number of the voltage transformers 22 are three, and the current transformers and the voltage transformers respectively acquire the current and the voltage of corresponding lines.
The arithmetic Processing module 10 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc. The general processor may be a microprocessor or the processor may also be any conventional processor, etc., the operation processing module 10 sends each acquired signal to a general control server, such as a monitoring room, to feed back an operation environment and an operation parameter of the power distribution network system in real time, so as to improve detection strength of the power distribution network and improve operation and maintenance efficiency, the communication module 40 between the operation processing module 10 and the general control server may adopt a wireless communication mode or a wired communication mode, and in one embodiment, the communication module 40 includes at least one of a 4G communication module, an RS232 communication module, an RS485 communication module, and an ethernet communication module.
The utility model discloses an adopt operation processing module 10, electric parameter acquisition module 20, power module 30, communication module 40 and at least one image acquisition module 50 constitute power quality monitoring devices, wherein, image acquisition module 50 shoots the surrounding environment image of distribution network system according to preset time interval, the electric parameter of distribution network system's distribution lines is gathered to electric parameter acquisition module 20, operation processing module 10 sends each acquisition signal that acquires to total control server through communication module 40 in real time, the operation state of distribution network system's distribution lines is known to the total control server of fortune dimension personnel's accessible, thereby realize the real-time supervision of distribution network operating mode, the problem of fortune dimension difficulty has been solved.
In one embodiment, as shown in fig. 3, in order to improve the working efficiency of the power quality monitoring device, the power module 30 includes a power conversion circuit 32, a switch switching circuit 33 and a storage battery 31;
the power input end of the power supply switching circuit 32 is connected with a distribution line of the power distribution network system, the power output end of the power supply switching circuit 32 is connected with the first input end of the switch switching circuit 33, the second input end of the switch switching circuit 33 is connected with the power supply end of the storage battery 31, the controlled end of the switch switching circuit 33 is connected with the control end of the operation processing module 10, and the power output end of the switch switching circuit 33 is the power output end of the power supply module 30;
a power conversion circuit 32 for performing power conversion on the alternating current of the distribution line of the distribution grid system and outputting a working power to the switch switching circuit 33;
the operation processing module 10 is further configured to control the first input end and the output end of the switch switching circuit 33 to be communicated when the current sampling signal and the voltage sampling signal are both within the preset electrical parameter threshold; and
when one of the current sampling signal and the voltage sampling signal is outside the preset electrical parameter threshold, the second input end and the output end of the control switch switching circuit 33 are communicated.
In this embodiment, the operation processing module 10 determines whether the current power distribution network system normally operates according to the current signal and the voltage signal acquired by the electrical parameter acquisition module 20, when the current sampling signal and the voltage sampling signal of the power distribution network system are both within the preset electrical parameter threshold, it indicates that the current power distribution network system normally operates, at this time, the operation processing module 10 controls the switch switching circuit 33 to operate and connect the switch switching circuit 33, so as to provide a working power supply by the power conversion circuit 32, thereby ensuring that the power quality monitoring device continuously operates, when one of the current sampling signal and the voltage sampling signal is outside the preset electrical parameter threshold, it indicates that the current power distribution network system has a fault, such as an overcurrent, an overvoltage, an undervoltage, a short circuit, a circuit break, and the like, at this time, the operation processing module 10 on the one hand sends the fault information to the master control server, and meanwhile, a control signal is sent to the switch switching circuit 33, so that the switch switching circuit 33 is switched to the storage battery 31, and the storage battery 31 provides a working power supply, thereby improving the reliability of the power quality monitoring device, avoiding the problem that the power quality monitoring device cannot work when a power distribution network system fails, and prolonging the service life of the storage battery 31.
The storage battery 31 can be selected correspondingly according to the power supply voltage grade in the power quality monitoring device, the power conversion circuit 32 at least comprises a rectification filter circuit and a voltage conversion circuit, the rectification filter circuit can comprise a full-bridge rectification filter circuit or a half-bridge rectification filter circuit, the specific structure can be selected according to requirements, the voltage conversion circuit can be a combination of a voltage reduction circuit and a voltage stabilizing circuit, or a switching power supply circuit, and the specific circuit structure can be selected according to requirements.
And the switch switching circuit 33 may include two switching devices, and is connected to the power conversion circuit 32 and the storage battery 31, for example, two electronic switching tubes are provided, controlled ends of the electronic switching tubes are connected to the operation processing module 10, an input end of one of the electronic switching tubes is connected to the power conversion circuit 32, an input end of the other electronic switching tube is connected to the storage battery 31, and output ends of the two switching tubes are connected to a power output end of the power module 30.
The switch switching circuit 33 may also be a multi-input single-output multiplexer switch, and therefore, the structure of the switch switching circuit 33 may not be limited, and may be selected according to the requirement.
As shown in fig. 4, in an embodiment, the power quality monitoring apparatus further includes a temperature and humidity detection module 60, where the temperature and humidity detection module 60 is electrically connected to the operation processing module 10;
the temperature and humidity detecting module 60 is configured to detect temperature and humidity parameters of the power distribution network system and output a temperature and humidity detecting signal to the operation processing module 10, where the temperature and humidity detecting module 60 may generate a set of temperature and humidity data at preset time intervals, for example, five minutes, and the operation processing module 10 determines whether the temperature and humidity data is out of limit and provides the out-of-limit information to the general control server, where in an embodiment, the temperature and humidity detecting module 60 is a temperature and humidity sensor.
Referring to fig. 4, in order to improve the reliability of the power quality monitoring device, in an embodiment, the power quality monitoring device further includes an internal temperature detection module 70, and the internal temperature detection module 70 is electrically connected to the operation processing module 10;
an internal temperature detection module 70 for detecting the operating temperature inside the power quality monitoring device and outputting a temperature detection signal to the operation processing module 10, since all the calculation and data processing operations are performed by the calculation processing module 10, there is a risk that the temperature of the calculation processing module 10 is too high during operation, and at the same time, the other modules may have too high temperature when they have faults, such as short circuit and burning loss, the internal temperature detection module 70 detects the internal ambient temperature of the operation processing module 10 and each module in real time, can give an alarm or prompt when the temperature in the power quality monitoring device is overhigh, thereby improving the reliability of the power quality monitoring device, in one embodiment, the internal temperature detection module 70 is a temperature sensor, which may be one or more, and the corresponding iron is disposed on the corresponding module or on the inner wall of the power quality monitoring device.
With continuing reference to fig. 4, it can be understood that the operation and maintenance personnel still need to go to the site for operation and maintenance work during operation and maintenance, and therefore, in order to improve the operation and maintenance efficiency, in an embodiment, the power quality monitoring device further includes a display screen module 80, and the display screen module 80 is electrically connected to the operation processing module 10;
the operation processing module 10 is further configured to perform image display on each acquired signal and each detection signal through the display screen module 80, and the operation and maintenance personnel can obtain each parameter of the current power distribution network system through the display screen module 80, such as temperature and humidity, internal temperature, operation parameters, and the like, and the display screen module 80 is disposed on the housing of the power quality monitoring device and provided with a selection button to select and view each parameter.
Referring to fig. 4, in an embodiment, the power quality monitoring apparatus further includes an alarm module 90, and the alarm module 90 is electrically connected to the operation processing module 10;
the operation processing module 10 is further configured to trigger the alarm module 90 to send an alarm when each of the collected signals and the detected signals is greater than a preset value, in this embodiment, the operation processing module 10 sends the operation parameters, the collected signals, and the alarm information to the general control server after performing data processing, and also performs a field alarm on the alarm information, where the alarm mode may be a light indication or a buzzer indication, and the specific mode is not limited.
Referring to fig. 4, in an embodiment, the power quality monitoring apparatus further includes a storage module 11, the storage module 11 is electrically connected to the operation processing module 10, and the storage module 11 is configured to store corresponding data information of each of the collected signals and the detected signals.
In this embodiment, in order to improve the reliability of the data information, the operation processing module 10 performs local data storage on each data information after sending the acquired information to the general control server, so as to implement the functions of backup and local reading.
The storage module 11 may be a hard disk or a memory inside the power quality monitoring device. The storage module 11 may also be an external storage device of the power quality monitoring apparatus, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the power quality monitoring apparatus.
The utility model discloses the second aspect of embodiment provides a join in marriage net electric energy quality system, and this join in marriage net electric energy quality system includes total accuse server and electric energy quality monitoring devices, and above-mentioned embodiment is referred to the concrete structure of electric energy quality monitoring devices, owing to join in marriage net electric energy quality system and adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and it is here no longer repeated one by one.
The power quality monitoring device is in communication connection with the master control server through the communication module 40 and the optical fiber router and transmits data information.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. The power quality monitoring device is characterized by comprising an operation processing module, an electrical parameter acquisition module, a power supply module, a communication module and at least one image acquisition module;
the image acquisition module, the electrical parameter acquisition module and the communication module are respectively and electrically connected with the operation processing module, the electrical parameter acquisition module is also connected with a distribution line of a power distribution network system, and the power supply module is respectively and electrically connected with the operation processing module, the image acquisition module and the communication module;
the image acquisition module is used for shooting surrounding environment images of the power distribution network system according to a preset time interval and outputting image acquisition signals to the operation processing module;
the electric parameter acquisition module is used for acquiring electric parameters of a distribution line of the power distribution network system and outputting electric parameter acquisition signals to the operation processing module;
and the operation processing module is used for transmitting the acquired acquisition signals to the master control server through the communication module in real time.
2. The power quality monitoring device according to claim 1, wherein the electrical parameter acquisition module comprises a current transformer and a voltage transformer, the current transformer is electrically connected with a distribution line of the power distribution network system, and the voltage transformer is electrically connected with the distribution line of the power distribution network system;
the current transformer is used for collecting the operating current of a distribution line of the power distribution network system and outputting a current collecting signal to the operation processing module;
the voltage transformer is used for collecting the operating voltage of the distribution line of the power distribution network system and outputting a voltage collecting signal to the operation processing module.
3. The power quality monitoring device of claim 2, wherein the power module comprises a power conversion circuit, a switch switching circuit and a battery;
the power input end of the power supply switching circuit is connected with a distribution line of the power distribution network system, the power output end of the power supply switching circuit is connected with the first input end of the switch switching circuit, the second input end of the switch switching circuit is connected with the power supply end of the storage battery, the controlled end of the switch switching circuit is connected with the control end of the operation processing module, and the power output end of the switch switching circuit is the power output end of the power supply module;
the power conversion circuit is used for performing power conversion on the alternating current of the distribution line of the power distribution network system and outputting a working power supply to the switch switching circuit;
the operation processing module is further used for controlling the first input end and the output end of the switch switching circuit to be communicated when the current acquisition signal and the voltage acquisition signal are both within a preset electrical parameter threshold value; and
and when one of the current acquisition signal and the voltage acquisition signal is out of a preset electrical parameter threshold, controlling the second input end and the output end of the switch switching circuit to be communicated.
4. The power quality monitoring device according to claim 1, wherein the communication module comprises at least one of a 4G communication module, an RS232 communication module, an RS485 communication module, and an Ethernet communication module.
5. The power quality monitoring device according to claim 1, further comprising a temperature and humidity detection module, wherein the temperature and humidity detection module is electrically connected to the operation processing module;
the temperature and humidity detection module is used for detecting temperature and humidity parameters of the power distribution network system and outputting temperature and humidity detection signals to the operation processing module.
6. The power quality monitoring device according to claim 1, further comprising an internal temperature detection module electrically connected to the arithmetic processing module;
the internal temperature detection module is used for detecting the operating temperature inside the power quality monitoring device and outputting a temperature detection signal to the operation processing module.
7. The power quality monitoring device according to claim 1, wherein the power quality monitoring device further comprises a display screen module, and the display screen module is electrically connected with the operation processing module;
and the operation processing module is also used for displaying the images of the acquired signals and the detection signals through the display screen module.
8. The power quality monitoring device according to claim 1, further comprising an alarm module electrically connected to the operation processing module;
the operation processing module is also used for triggering the alarm module to send an alarm when the acquired signals and the detection signals are greater than preset values.
9. The power quality monitoring device according to claim 1, further comprising a storage module electrically connected to the arithmetic processing module;
and the storage module is used for storing the corresponding data information of each acquired signal and each detection signal.
10. A distribution network power quality system is characterized by comprising a master control server and the power quality monitoring device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020127037.1U CN212111647U (en) | 2020-01-19 | 2020-01-19 | Power quality monitoring device and distribution network power quality system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020127037.1U CN212111647U (en) | 2020-01-19 | 2020-01-19 | Power quality monitoring device and distribution network power quality system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212111647U true CN212111647U (en) | 2020-12-08 |
Family
ID=73626864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020127037.1U Active CN212111647U (en) | 2020-01-19 | 2020-01-19 | Power quality monitoring device and distribution network power quality system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212111647U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803577A (en) * | 2021-01-06 | 2021-05-14 | 广东电网有限责任公司广州供电局 | Power supply equipment, power quality monitoring system and system power supply control method |
| CN117134506A (en) * | 2023-10-27 | 2023-11-28 | 广州能信数字科技有限公司 | An electric energy storage safety monitoring system based on power grid dispatching |
| CN118483525A (en) * | 2024-07-16 | 2024-08-13 | 山东百萨特新能源科技有限公司 | Power distribution network state online monitoring method and system, storage medium and electronic equipment |
-
2020
- 2020-01-19 CN CN202020127037.1U patent/CN212111647U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803577A (en) * | 2021-01-06 | 2021-05-14 | 广东电网有限责任公司广州供电局 | Power supply equipment, power quality monitoring system and system power supply control method |
| CN117134506A (en) * | 2023-10-27 | 2023-11-28 | 广州能信数字科技有限公司 | An electric energy storage safety monitoring system based on power grid dispatching |
| CN117134506B (en) * | 2023-10-27 | 2024-01-26 | 广州能信数字科技有限公司 | An electric energy storage safety monitoring system based on power grid dispatching |
| CN118483525A (en) * | 2024-07-16 | 2024-08-13 | 山东百萨特新能源科技有限公司 | Power distribution network state online monitoring method and system, storage medium and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212111647U (en) | Power quality monitoring device and distribution network power quality system | |
| CN204758748U (en) | Cubical switchboard intelligent integrated monitoring devices | |
| CN104868845B (en) | Embedded solar photovoltaic assembly data monitoring device and method | |
| CN109245315B (en) | Intelligent integrated non-contact on-line monitoring device for distribution transformer | |
| CN207336637U (en) | A kind of intelligent electric meter | |
| CN111308239B (en) | Wireless monitoring system for GIS state online monitoring | |
| CN206505169U (en) | Power detection device | |
| CN106324530A (en) | Power supply detection method and device | |
| CN208209630U (en) | A kind of the micromation intelligent on-line monitoring device and monitoring system of low-voltage distribution apparatus | |
| CN103558502A (en) | Single-phase earth fault detection circuit, method and system | |
| CN111579934A (en) | A method and device for realizing electrical safety monitoring of a power grid outside a base station, and a base station | |
| CN107611794A (en) | Fire-fighting power distribution cabinet based on bas and fas monitoring systems | |
| CN111142059A (en) | Intelligent detection device and method for PT unit of outdoor ring main unit | |
| CN105403741A (en) | Full-time high-voltage consumption control remote control device | |
| CN221238985U (en) | Nuclear power plant storage battery operation and maintenance device | |
| CN211206765U (en) | Intelligent detection device for PT unit of outdoor ring main unit | |
| CN209979068U (en) | A lattice infrared cable room temperature measurement device based on dispatching network | |
| CN207459838U (en) | The monitoring of distributed photovoltaic power generation and information collecting device | |
| CN206742967U (en) | Supply and demand both sides power load monitoring system | |
| CN114977514A (en) | Intelligent comprehensive monitoring system for station room equipment | |
| CN209979727U (en) | Electric comprehensive monitoring module | |
| CN210110022U (en) | Meter on-line monitoring device | |
| CN210490556U (en) | Cable terminal intelligent monitoring system based on line channel visualization | |
| CN206517162U (en) | A kind of network load detector | |
| CN209764972U (en) | Low Voltage Insulation Monitoring System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |