CN210720559U - Intelligent station bus secondary voltage monitoring device - Google Patents
Intelligent station bus secondary voltage monitoring device Download PDFInfo
- Publication number
- CN210720559U CN210720559U CN201921310252.9U CN201921310252U CN210720559U CN 210720559 U CN210720559 U CN 210720559U CN 201921310252 U CN201921310252 U CN 201921310252U CN 210720559 U CN210720559 U CN 210720559U
- Authority
- CN
- China
- Prior art keywords
- module
- bus
- secondary voltage
- monitoring device
- conversion module
- 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
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses an intelligence station generating line secondary voltage monitoring devices, it includes data processing module and the data storage module of being connected with this data processing module electricity, second AD conversion module, power conversion module, display module, to time module and button module, power conversion module is used for being connected and providing the electric energy for this monitoring devices with the direct current power supply who converges in the accuse cabinet, be equipped with two input interfaces, its one of which input interface is connected with second AD conversion module's input electricity and can be connected with the output of converging the analog bus secondary voltage in the accuse cabinet, its two input interfaces are connected with data processing module electricity and can be connected with the output electricity of the first AD conversion module of generating line merging cells, this to time module is used for carrying out synchronous to the time to the signal of this two input interface inputs. The device simple structure only needs several simple operations buttons, can monitor bus secondary voltage accurately, and is simple convenient.
Description
Technical Field
The utility model relates to an intelligence station generating line secondary voltage monitoring devices.
Background
In recent years, with the rapid development of power grid construction, the number of intelligent substations is rapidly increased, the bus secondary voltage is directly converted into a digital quantity through an AD conversion module of a bus merging unit, and then the digital quantity secondary voltage is transmitted to a fault recording device and monitoring remote measurement. And because the whole intelligent substation adopts the merging unit or the merging unit with the same model and does not have other bus secondary voltage analog quantity sampling devices, whether the monitored bus voltage abnormity is caused by primary equipment or secondary equipment cannot be confirmed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an intelligence station generating line secondary voltage monitoring devices, it has overcome in the background art the not enough of prior art.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an intelligence station generating line secondary voltage monitoring devices, it includes the data processing module who takes microcontroller and the data storage module who is connected with this data processing module electricity, second AD conversion module, power conversion module, display module, to time module and button module, this power conversion module is used for being connected with the direct current power supply in the collection accuse cabinet and provides the electric energy for this monitoring devices, be equipped with two input interfaces, this one input interface is connected with the input electricity of second AD conversion module and can be connected with the output of the analog bus secondary voltage in the collection accuse cabinet, this two input interfaces are connected with data processing module electricity and can be connected with the output electricity of the first AD conversion module of generating line merging cells, this to time module is used for carrying out synchronous time to the signal of this two input interface input.
In one embodiment: the time synchronization module adopts an optical B code time synchronization module.
In one embodiment: the monitoring device also comprises an indicator light for indicating the running state and the monitoring result of the monitoring device.
In one embodiment: the key module comprises a 'start monitoring' key for starting the monitoring function of the monitoring device, a 'stop monitoring' key for stopping the monitoring function of the monitoring device, a 'monitor first group voltage' key for selecting and monitoring the secondary voltage of the first digital bus, and a 'monitor second group voltage' key for selecting and monitoring the secondary voltage of the analog bus of the control cubicle.
In one embodiment: the direct-current air switch is connected with the power supply conversion module, and a direct-current power supply is connected into the power supply conversion module after passing through the direct-current air switch 8.
In one embodiment: the first AD conversion module is electrically connected with the input interface of the first AC air switch.
In one embodiment: the device also comprises two alternating current air switches which are electrically connected between the two input interfaces and the data processing module.
Compared with the background technology, the technical scheme has the following advantages:
the device has strong pertinence, can collect the secondary voltage of the first digital bus output by the bus merging unit through the two input interfaces, judges whether the bus voltage is normal by the data processing module, and displays the judgment result or the collected voltage waveform through the display module; once the bus voltage abnormity is judged through the first digital bus secondary voltage, the data processing module compares the analog secondary bus voltage in the control cubicle collected by the second AD conversion module, and judges whether the reason causing the collected bus voltage abnormity is in the bus merging unit, so that the fault position and the part are determined. The device simple structure only needs several simple operations buttons, can monitor bus secondary voltage accurately, and is simple convenient.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a block diagram illustrating a structure of a bus secondary voltage monitoring device of an intelligent station according to this embodiment.
Fig. 2 is a schematic panel diagram of the intelligent station bus secondary voltage monitoring device according to this embodiment.
Fig. 3 is a schematic diagram of a key layout of a key module of the intelligent station bus secondary voltage monitoring device according to this embodiment.
Detailed Description
The prior art is known: a bus control cubicle is arranged in the intelligent station, a bus merging unit is arranged in the bus control cubicle, and after analog bus secondary voltage in the bus control cubicle is input to the bus merging unit, a first digital bus secondary voltage of digital quantity is output by a first AD conversion module in the bus merging unit; the first digital bus secondary voltage is obtained in real time through the bus merging unit, and whether the bus voltage value is abnormal or not can be judged according to the first digital bus secondary voltage.
Referring to fig. 1 and 2, an intelligent station bus secondary voltage monitoring device includes a data processing module 1 with a microcontroller, and a data storage module 2, a second AD conversion module 3, a power conversion module 4, a display module 5, a time synchronization module 6, and a key module 7 electrically connected to the data processing module 1.
Because the direct current power supply in the control cubicle has higher reliability, the power supply conversion module 4 (the power supply conversion module is essentially a voltage reduction module) is used for being connected with the direct current power supply in the control cubicle, and the 220V direct current power supply can be converted into a 5V power supply by voltage reduction to provide electric energy for the monitoring device. Preferably, a direct current air switch 8 is provided, the direct current air switch 8 is connected with the power conversion module 4, and a direct current power supply is connected to the power conversion module 4 after passing through the direct current air switch 8.
The monitoring device is provided with two input interfaces, one input interface 11 of the monitoring device is electrically connected with the input end of the second AD conversion module 3 and can be connected with the output end of the secondary voltage of the analog bus in the control cubicle, and the secondary voltage of the analog bus in the control cubicle is collected by the second AD conversion module 3 and converted into the secondary voltage of a second digital letter line, and then is sent into the data processing module 1; the two input interfaces 12 are electrically connected with the data processing module 1 and can be electrically connected with the output end of the first AD conversion module of the bus merging unit, and the first digital bus secondary voltage output by the first AD conversion module can be sent to the data processing module 1 through the two input interfaces 12. Preferably, the two input interfaces are respectively provided with an alternating current air switch 13 and two alternating current air switches 14, the alternating current air switch 13 is electrically connected between the input interface and the second AD conversion module, and the alternating current air switches 14 are electrically connected between the input interfaces and the data processing module, so that when an internal fault of the monitoring device occurs, the fault can be isolated in time, and normal operation of the PT secondary circuit in the bus merging unit and the control cubicle can be ensured.
The data processing module 1 can store the first digital bus secondary voltage and the second digital bus secondary voltage in the data storage module 2 according to a time sequence or send the first digital bus secondary voltage and the second digital bus secondary voltage to an external device or a display module 5 for display, when the data processing module 1 monitors that the first digital bus secondary voltage is abnormal, the data processing module can also compare whether the first digital bus secondary voltage and the second digital bus secondary voltage are consistent, if the first digital bus secondary voltage and the second digital bus secondary voltage are inconsistent and the second digital bus secondary voltage is displayed normally, the bus merging unit is judged to be in fault, if the first digital bus secondary voltage and the second digital bus secondary voltage are consistent, the bus merging unit is judged to be in fault, and the fault position of the bus merging.
The display module 5 described in this embodiment adopts liquid crystal display.
The time synchronization module 6 is used for performing synchronous time synchronization on the signals input by the two input interfaces, namely the first digital bus secondary voltage and the second digital bus secondary voltage. In this embodiment, the time synchronization module 6 adopts an optical B code time synchronization module.
Preferably, the monitoring device further comprises an indicator light 9 for indicating the operational status and monitoring result of the monitoring device.
In this embodiment, referring to fig. 3, the key module 7 includes a "start monitoring" key for starting the monitoring function of the monitoring device, a "stop monitoring" key for stopping the monitoring function of the monitoring device, a "monitor first group voltage" key for selecting to monitor the secondary voltage of the first digital bus, and a "monitor second group voltage" key for selecting to monitor the secondary voltage of the analog bus of the bus control cabinet. And controlling the corresponding key according to the requirement to enable the monitoring device to execute the corresponding monitoring function.
The device has strong pertinence, can collect the secondary voltage of the first digital bus output by the bus merging unit through the two input interfaces, judges whether the bus voltage is normal by the data processing module, and displays the judgment result or the collected voltage waveform through the display module; once the bus voltage abnormity is judged through the first digital bus secondary voltage, the data processing module compares the analog secondary bus voltage in the control cubicle collected by the second AD conversion module, and judges whether the reason causing the collected bus voltage abnormity is in the bus merging unit, so that the fault position and the part are determined. The device simple structure only needs several simple operations buttons, can monitor bus secondary voltage accurately, and is simple convenient.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (7)
1. The utility model provides an intelligence station generating line secondary voltage monitoring devices which characterized in that: the bus-merging monitoring device comprises a data processing module with a microcontroller, a data storage module electrically connected with the data processing module, a second AD conversion module, a power supply conversion module, a display module, a time synchronization module and a key module, wherein the power supply conversion module is used for being connected with a direct-current power supply in a bus-merging cabinet and providing electric energy for the monitoring device, the bus-merging monitoring device is provided with two input interfaces, one input interface of the bus-merging monitoring device is electrically connected with the input end of the second AD conversion module and can be connected with the output end of an analog bus secondary voltage in the bus-merging cabinet, the two input interfaces of the bus-merging monitoring device are electrically connected with the data processing module and can be electrically connected with the output end of a first AD conversion module of a bus-merging unit, and the time synchronization module is.
2. The intelligent station bus secondary voltage monitoring device of claim 1, wherein: the time synchronization module adopts an optical B code time synchronization module.
3. The intelligent station bus secondary voltage monitoring device of claim 1, wherein: the monitoring device also comprises an indicator light for indicating the running state and the monitoring result of the monitoring device.
4. The intelligent station bus secondary voltage monitoring device of claim 1, wherein: the key module comprises a 'start monitoring' key for starting the monitoring function of the monitoring device, a 'stop monitoring' key for stopping the monitoring function of the monitoring device, a 'monitor first group voltage' key for selecting and monitoring the secondary voltage of the first digital bus, and a 'monitor second group voltage' key for selecting and monitoring the secondary voltage of the analog bus of the control cubicle.
5. The intelligent station bus secondary voltage monitoring device of claim 1, wherein: the direct-current air switch is connected with the power supply conversion module, and a direct-current power supply is connected into the power supply conversion module after passing through the direct-current air switch 8.
6. The intelligent station bus secondary voltage monitoring device of claim 1, wherein: the first AD conversion module is electrically connected with the input interface of the first AC air switch.
7. The intelligent station bus secondary voltage monitoring device of claim 1, wherein: the device also comprises two alternating current air switches which are electrically connected between the two input interfaces and the data processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921310252.9U CN210720559U (en) | 2019-08-13 | 2019-08-13 | Intelligent station bus secondary voltage monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921310252.9U CN210720559U (en) | 2019-08-13 | 2019-08-13 | Intelligent station bus secondary voltage monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210720559U true CN210720559U (en) | 2020-06-09 |
Family
ID=70964663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921310252.9U Active CN210720559U (en) | 2019-08-13 | 2019-08-13 | Intelligent station bus secondary voltage monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210720559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389256A (en) * | 2019-08-13 | 2019-10-29 | 国网福建省电力有限公司龙岩供电公司 | A kind of intelligent station bus secondary voltage monitoring method and monitoring device |
-
2019
- 2019-08-13 CN CN201921310252.9U patent/CN210720559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389256A (en) * | 2019-08-13 | 2019-10-29 | 国网福建省电力有限公司龙岩供电公司 | A kind of intelligent station bus secondary voltage monitoring method and monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102355048A (en) | Intelligent dual-power automatic transfer switch and running method | |
| CN208984136U (en) | Substation parameters acquisition device and system | |
| CN101895153A (en) | Intelligent transformer substation computer monitoring anti-misoperation system | |
| CN112485581A (en) | Zero sequence current transformer and secondary circuit detection device and method thereof | |
| CN210720559U (en) | Intelligent station bus secondary voltage monitoring device | |
| CN209208784U (en) | A kind of railway signals equipment mobile monitoring device based on DSP | |
| CN103812210A (en) | Intelligent monitoring system for alternating current-direct current uninterruptible power supply system | |
| CN202721445U (en) | Intelligent reactive power compensation integrated module | |
| CN108680812A (en) | A kind of electric energy quality on-line monitoring device | |
| CN203849376U (en) | Breaker anti-tripping loop testing apparatus | |
| CN201477185U (en) | Tester for an electronic plastic shell breaker | |
| CN112327150B (en) | Intelligent running-in experiment platform for medium-voltage circuit breaker and control method of intelligent running-in experiment platform | |
| CN201860169U (en) | Computer monitoring anti-error operating system in intelligent transformer substation | |
| CN212085879U (en) | Automatic change-over switch electric appliance | |
| CN208421108U (en) | A kind of electric energy quality on-line monitoring device | |
| CN210804040U (en) | Interface signal processing device for valve base electronic equipment of direct current transmission converter valve | |
| CN210376496U (en) | Super large current monitor | |
| CN203466592U (en) | Starting circuit for photovoltaic energy-storage system of off-grid type | |
| CN218894732U (en) | Detection equipment of wind generating set | |
| CN216162672U (en) | Solar micro-grid monitoring device based on PLC | |
| CN213521387U (en) | Intelligent controller for power supply | |
| CN204989305U (en) | DC signal monitor | |
| CN217133319U (en) | Portable relay automatic detector | |
| CN213091758U (en) | Voltage sampling device | |
| CN210274131U (en) | Switch charging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |