CN204882707U - Transformer core current monitoring device - Google Patents
Transformer core current monitoring device Download PDFInfo
- Publication number
- CN204882707U CN204882707U CN201520562471.1U CN201520562471U CN204882707U CN 204882707 U CN204882707 U CN 204882707U CN 201520562471 U CN201520562471 U CN 201520562471U CN 204882707 U CN204882707 U CN 204882707U
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- China
- Prior art keywords
- transformer core
- processing module
- data processing
- monitoring device
- control box
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 32
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 16
- 238000005070 sampling Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013523 data management Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 238000006798 ring closing metathesis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model provides a transformer core current monitoring device, include the monitor cell who is connected with transformer core, monitor cell includes current sensor and rather than digital acquisition unit, data processing module through shielding wire size line connection, data processing module and digital acquisition unit all set up in the control box, and the control box periphery sets up the insulation shielding cover. This scheme simple structure, dependable performance, with low costs, the practicality is strong, through on -line monitoring and warning means, avoids the emergence of transformer system major accident in service effectively, the power consumption demand of the production of furthest guarantee people, life improves the user satisfaction, reduce staff's personal safety accident and electrical equipment accident, the efficiency of plant maintenance level and work is improved, reduction personnel maintenance work volume.
Description
Technical field
The utility model relates to transformer monitoring resist technology field, particularly relates to a kind of transformer core current monitoring device.
Background technology
Transformer body in operational process does not allow charged, once charged, then directly affects the normal operation of transformer, when particularly electric current is excessive, even can cause the generation of substantial equipment accident, thus cause large area, have a power failure for a long time.
For preventing transformer core current excessive and causing the accident, current usual way is immediately monitored with the electric current of pincerlike meter to iron core grounding line by patrolling value personnel, or on ground wire, install a reometer, often maked an inspection tour by patrolman.But the curent change of iron core is instantaneous, and human and material resources is limited, even if strengthen artificial Monitoring frequency, is also difficult to the generation of stopping overcurrent accident.
Utility model content
The purpose of this utility model is to provide a kind of transformer core current monitoring device, and it can carry out Real-Time Monitoring to the curent change of transformer core and to excess current and alarm, be convenient to on-call maintenance and control, reliably avoid the generation of accident.
The technical scheme adopted for realizing the purpose of this utility model is: a kind of transformer core current monitoring device, comprise the monitoring means be connected with transformer core, described monitoring means comprise current sensor and respectively with its digital collection unit, data processing module be connected by shielding wire size line, described data processing module and described digital collection unit are all arranged in control box, and described control box periphery arranges insulation shielding cover.
Described data processing module comprises MCU controller and the connected data-carrier store of difference, communication display unit.
Described current sensor comprises line Hall element, is arranged at respectively bottom described transformer core.
Described digital collection unit comprises high-speed data acquisition card, and is connected with described data processing module by RS232 module.
Described communication display unit comprises communication network and the monitoring form interconnected with it.
In the agent structure of transformer core current monitoring device of the present utility model: mandrel bottom arranges current sensor, current sensor is connected to high-speed figure collecting unit and can realizes the data processing module of multichannel communication, meanwhile, data processing module is also connected with monitoring form.Run in debugging and operational process at transformer substation system, native system on the one hand by monitoring means by the Microsecond grade current signal waveform simultaneous display of each transformer core on the screen of high-clear display, inquire about for staff, transfer and observation, on the other hand, by size and the distribution situation of data processing module foundation current flow, timely realization also sends overcurrent alerting signal in time to the judgement of current conditions, alerting signal can be sent by alarm, the MCU controller of alarm connection data processing module, sound and light alarm and the teletransmission to transformer station's Central Control Room on the spot can be realized report to the police.
Current sensor can be set to Hall element, can select TBC-LTA array of ring closure formula Hall current sensor, highly sensitive and measuring accuracy is accurate; Current sensor can also be set to line resistance current sensor, is arranged at bottom transformer core respectively, utilizes the collection of shunt resistance principle realization to transformer core real-time current.Arrange sampling memory between current sensor and digital collection unit, sampling memory not only can record current transformer current value, by being connected with other elements in control box, can also carry out record and the output of data.
It is interconnected that communication display unit on the one hand can realize between unit by communication network, can realize the monitoring display of system data and operational circumstances on the other hand; Communication display unit comprises communication network and the monitoring form interconnected with it, and communication network comprises Local Sensor Network and remote wireless network, and sensor network adopts electric force carrier transmission, and remote wireless network adopts the point-to-point transmission of long distance.Information transmission mode is the basis ensureing that monitor message is transmitted in time, and power carrier does not rely on auxiliary element, can realize direct line transmission, is applicable to very much sensor network interconnected among a small circle; Remote wireless network both can adopt gsm wireless to transmit, can be interconnected with various public communication network, strong interference immunity, the high communication quality, not by distance limit, also can adopt the point-to-point transmission of long distance, a GSM transmission is used by data management system, compared to gsm wireless transmission, need not SIM card be used, greatly reduce Long-Time Service expense.Calculate, not all rightly just to go Sunday
Digital collection unit comprises high-speed data acquisition card, and be connected with data processing module by RS232 module, simultaneously, the input end of data collecting card also can be connected with communication network, for with data collecting card with the use of, the junction of control box and communication network can arrange wireless status amount collector, carries out once collecting of data, and transfers to the secondary that data collecting card carries out data and collect; The output terminal of data collecting card is by long range points point to-point communication.When remote wireless network adopts gsm wireless transmission; can improve that tradition regulation and control need special messenger to monitor in real time, the shortcoming of information feed back poor in timeliness; as can preferred GSM message mode; namely during transformer core generation protection act by SMS to the concrete action message of administrative authority's feed back on-site; realize timely alarm, ageing height.
Because the control class device be connected with transformer core group is all in high voltage variable electric field, in order to ensure security and the accuracy of system, data processing module and digital collection unit are all arranged in control box, control box periphery arranges insulation shielding cover, simultaneously, control box is arranged monitoring form, monitoring form comprises inquiry panel and high-clear display, realizes showing in real time on the spot each sampled data and service data.
The transformer core current monitoring device beneficial effect of this programme is mainly reflected in the following aspects:
1, native system can monitor the ruuning situation of each transformer core of ultra-high voltage transformer station in time, and whether automatic decision reaches overload or the overload limit, carries out alarm operation, reminds staff to note;
2, native system is by communication network, transformer core status information and transition information is shown on equipment in time, and by communication, information can be reminded staff in time, be convenient to personnel's rapid reaction;
3, this programme structure is simple, dependable performance, cost are low, practical, by on-line monitoring and warning means, the generation of major accident in effectively avoiding transformer substation system to run, ensures that the people produces, the need for electricity of life to greatest extent, improves user satisfaction; The personal safety accident that reduces a staff and electrical equipment accident; Improve plant maintenance level and efficiency, reduce personnel's maintenance workload.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model.
Embodiment
Embodiment
As shown in Figure 1, a kind of transformer core current monitoring device, comprise the monitoring means be connected with transformer core, digital collection unit 2, data processing module 4 that monitoring means comprises current sensor 1 and is connected by shielding wire size line with it, data processing module and digital collection unit are all arranged in control box, and control box periphery arranges insulation shielding cover; Data processing module comprises MCU controller 5 and connected data-carrier store 6, communication display unit 7; Current sensor comprises line Hall element, is arranged at bottom transformer core respectively; Digital collection unit comprises high-speed data acquisition card, and is connected with data processing module by RS232 module 3; Communication display unit comprises communication network and the monitoring form interconnected with it.
In the agent structure of transformer core current monitoring device of the present utility model: mandrel bottom arranges current sensor, current sensor is connected to high-speed figure collecting unit and can realizes the data processing module of multichannel communication, meanwhile, data processing module is also connected with monitoring form.Run in debugging and operational process at transformer substation system, native system on the one hand by monitoring means by the Microsecond grade current signal waveform simultaneous display of each transformer core on the screen of high-clear display, inquire about for staff, transfer and observation, on the other hand, by size and the distribution situation of data processing module foundation current flow, timely realization also sends overcurrent alerting signal in time to the judgement of current conditions, alerting signal can be sent by alarm, the MCU controller of alarm connection data processing module, MCU controller comprises singlechip chip or dsp chip, alarm can be instructed to realize sound and light alarm and the teletransmission to transformer station's Central Control Room on the spot report to the police.
Current sensor can be set to Hall element, can select TBC-LTA array of ring closure formula Hall current sensor, highly sensitive and measuring accuracy is accurate; Current sensor can also be set to line resistance current sensor, is arranged at bottom transformer core respectively, utilizes the collection of shunt resistance principle realization to transformer core real-time current.Arrange sampling memory between current sensor and digital collection unit, sampling memory not only can record current transformer current value, by being connected with other elements in control box, can also carry out record and the output of data.
It is interconnected that communication display unit on the one hand can realize between unit by communication network, can realize the monitoring display of system data and operational circumstances on the other hand; Communication display unit comprises communication network and the monitoring form interconnected with it, and communication network comprises Local Sensor Network and remote wireless network, and sensor network adopts electric force carrier transmission, and remote wireless network adopts the point-to-point transmission of long distance.Information transmission mode is the basis ensureing that monitor message is transmitted in time, and power carrier does not rely on auxiliary element, can realize direct line transmission, is applicable to very much sensor network interconnected among a small circle; Remote wireless network both can adopt gsm wireless to transmit, can be interconnected with various public communication network, strong interference immunity, the high communication quality, not by distance limit, also can adopt the point-to-point transmission of long distance, a GSM transmission is used by data management system, compared to gsm wireless transmission, need not SIM card be used, greatly reduce Long-Time Service expense.Calculate, not all rightly just to go Sunday
Digital collection unit comprises high-speed data acquisition card, and be connected with data processing module by RS232 module, simultaneously, the input end of data collecting card also can be connected with communication network, for with data collecting card with the use of, the junction of control box and communication network can arrange wireless status amount collector, carries out once collecting of data, and transfers to the secondary that data collecting card carries out data and collect; The output terminal of data collecting card is by long range points point to-point communication.When remote wireless network adopts gsm wireless transmission; can improve that tradition regulation and control need special messenger to monitor in real time, the shortcoming of information feed back poor in timeliness; as can preferred GSM message mode; namely during transformer core generation protection act by SMS to the concrete action message of administrative authority's feed back on-site; realize timely alarm, ageing height.
Because the control class device be connected with transformer core group is all in high voltage variable electric field, in order to ensure security and the accuracy of system, data processing module and digital collection unit are all arranged in control box, control box periphery arranges insulation shielding cover, simultaneously, control box is arranged monitoring form, monitoring form comprises inquiry panel and high-clear display, realizes showing in real time on the spot each sampled data and service data.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, other amendments that those skilled in the art make the technical solution of the utility model or equivalently to replace, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. a transformer core current monitoring device, it is characterized in that: comprise the monitoring means be connected with transformer core, digital collection unit, data processing module that described monitoring means comprises current sensor and is connected by shielding wire size line with it, described data processing module and described digital collection unit are all arranged in control box, and described control box periphery arranges insulation shielding cover.
2. a kind of transformer core current monitoring device as claimed in claim 1, is characterized in that: described data processing module comprises MCU controller and connected data-carrier store.
3. a kind of transformer core current monitoring device as claimed in claim 1, is characterized in that: described current sensor comprises line Hall element, is arranged at respectively bottom described transformer core.
4. a kind of transformer core current monitoring device as claimed in claim 1, is characterized in that: described digital collection unit comprises high-speed data acquisition card, and is connected with described data processing module by RS232 module.
5. a kind of transformer core current monitoring device as claimed in claim 1, is characterized in that: described communication display unit comprises communication network and the monitoring form interconnected with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562471.1U CN204882707U (en) | 2015-07-30 | 2015-07-30 | Transformer core current monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562471.1U CN204882707U (en) | 2015-07-30 | 2015-07-30 | Transformer core current monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882707U true CN204882707U (en) | 2015-12-16 |
Family
ID=54827066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520562471.1U Expired - Fee Related CN204882707U (en) | 2015-07-30 | 2015-07-30 | Transformer core current monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204882707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093690A (en) * | 2016-08-11 | 2016-11-09 | 国网天津市电力公司 | Utilize the iron core on-line monitoring system of thermo-electric generation supply source |
-
2015
- 2015-07-30 CN CN201520562471.1U patent/CN204882707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093690A (en) * | 2016-08-11 | 2016-11-09 | 国网天津市电力公司 | Utilize the iron core on-line monitoring system of thermo-electric generation supply source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180730 |