CN204993251U - Flow box that converges organizes insulating detection device of cluster - Google Patents
Flow box that converges organizes insulating detection device of cluster Download PDFInfo
- Publication number
- CN204993251U CN204993251U CN201520659409.4U CN201520659409U CN204993251U CN 204993251 U CN204993251 U CN 204993251U CN 201520659409 U CN201520659409 U CN 201520659409U CN 204993251 U CN204993251 U CN 204993251U
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- China
- Prior art keywords
- header box
- detection device
- group string
- detecting unit
- detecting element
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 29
- 238000013500 data storage Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 14
- 238000012544 monitoring process Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013523 data management Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model provides a flow box that converges organizes insulating detection device of cluster, including treater and the detecting element who is connected with the treater respectively, the alarm unit of communicating, detecting element includes IPVA -VMU and state detecting element, and state detecting element includes temperature detecting element and insulation resistance detecting element. The utility model discloses can in time detect photovoltaic system collection flow box's the conflagration hidden danger safety condition, not only can organize the insulation resistance who goes here and there by each way photovoltaic of on -line measuring roofing photovoltaic collection flow box, can also detect operating temperature and all ring edge borders to whether judgement in time has hidden danger to take place, can will detect the data passback and provide the early warning to control system and to the staff, and the personnel's fast reaction of being convenient for has dependable performance, with low costs, advantage that the practicality is strong.
Description
Technical field
The utility model relates to distributed photovoltaic power generation system protection technical field, particularly relates to a kind of header box group string insulation detection device.
Background technology
The potential safety hazard that distributed photovoltaic power generation system is maximum, from roof fire risk, domesticly there is a lot of fire incident caused because of roof direct current light luff cable ground short circuit fault, the fire on roof causes the damage of photovoltaic power generation equipment on the one hand, burn the factory building of building owner on the other hand, endanger very serious.
For above-mentioned potential safety hazard, early warning can be carried out by detection means, when access photovoltaic combiner box each group of string loop insulation values decline too fast or absolute value exceeds standard time, often just imply that and ground short circuit fault occurs, if now can obtain timely system and device information and process, just can effectively disaster hidden-trouble be eliminated among bud, so, in actual use, need a kind of header box group string insulation detection device, energy Timeliness coverage also solves problems.
Utility model content
The purpose of this utility model is to provide a kind of header box group string insulation detection device, and it can realize the operation control & monitor to photovoltaic combiner box, and by analyzing protection and reporting to the police, effectively avoids the generation of fire disaster accident in system cloud gray model.
The technical scheme adopted for realizing the purpose of this utility model is: a kind of header box group string insulation detection device, the detecting unit, the communication alert unit that comprise processor and be connected with described processor respectively, described detecting unit comprises video monitor unit and state detection unit, and described state detection unit comprises temperature detecting unit and insulation resistance detecting unit.
Described processor comprises main control chip and connected data storage.
Described state detection unit connects high-speed data acquisition card, and is connected with described processor by RS232 module.
Described temperature detecting unit comprises temperature sensor, is arranged in header box, and described insulation resistance detecting unit connects the multichannel insulation resistance of header box photovoltaic group string.
Described communication alert unit comprises communication network and warning device, and described warning device comprises audible-visual annunciator.
It is peripheral that described video monitor unit is arranged at described header box, comprises high-definition camera and multichannel input type video tape recorder.
This device mainly by detection alarm means, obtains timely system and device information and processes, with the generation of fire preventing accident.Infomation detection is from two aspects, one is pass through monitoring remote video, intuitive monitoring is carried out to header box peripheral environment, clearly whether there is condition of a fire situation, another passes through state detection unit, the signal that detection may cause the condition of a fire to occur, comprise temperature signal and resistance insulation signal, input relies on temperature detecting unit and insulation resistance detecting unit, temperature detecting unit comprises temperature sensor, be arranged in header box, insulation resistance detecting unit connects the multichannel insulation resistance of header box photovoltaic group string, two paths of signals is collected signal by high-speed data acquisition card, be connected with processor through RS232 module, compared according to collection signal and setting alarming value by processor, judge whether to send alarm signal.
Processor comprises main control chip and connected data storage, main control chip can select singlechip chip or dsp chip, being used for realizing the collection of sampled signal and the differentiation of alarm signal, when detecting that collection signal reaches alarming value, just alarm signal being sent to communication alert unit; Communication alert unit comprises communication network and warning device, on the one hand can realize between unit by communication network interconnected, can realize the warning instruction of system data and operational circumstances on the other hand; Communication network comprises Local Sensor Network and remote wireless network, and sensor network adopts electric power signal line carrier transmission, and remote wireless network adopts the point-to-point transmission of long distance.Information transmission mode is the basis that guarantee information 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.
Warning device comprises audible-visual annunciator on the spot, can field personnel be reminded in time to scent a hidden danger, simultaneously, alarm signal also can by the remote wireless network in communication network, realize long range points point to-point communication, be connected with the server at photovoltaic Substation control center, server comprises some the Ethernet formula network switchs, so just the checkout gear in single region can be connected, and rely on Local Sensor Network and remote wireless network, expand the control for all detection protective devices of whole transformer station, the control centre of whole power generation region micro-system can also be upgraded to by the electric power technology of Internet of things of advanced person, for expansion monitoring function has laid good communication network basis.
The utility model can detect the disaster hidden-trouble security situation of photovoltaic system header box in time, not only can the insulation resistance of each road photovoltaic group string of on-line checkingi roofing photovoltaic header box, operating temperature and surrounding enviroment can also be detected, and judged whether that hidden danger occurs in time, early warning can be provided to control system to staff by detection data back, be convenient to personnel's fast reaction, there is dependable performance, cost is low, practical advantage, the generation of major accident in effectively avoiding photovoltaic transformer substation system to run, the personal safety that reduces a staff accident and electric equipment accident, minimizing personnel maintenance workload, this system reaches expectation target, there is promotional value.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model.
Embodiment
Embodiment
As shown in Figure 1, a kind of header box group string insulation detection device, comprise processor 1 and the detecting unit be connected with processor respectively, communication alert unit, detecting unit comprises video monitor unit 4 and state detection unit 5, and state detection unit comprises temperature detecting unit 6 and insulation resistance detecting unit 7; Processor comprises main control chip 2 and connected data storage 3; State detection unit connects high-speed data acquisition card 10, and is connected with processor by RS232 module 11; Temperature detecting unit comprises temperature sensor, is arranged in header box, and insulation resistance detecting unit connects the multichannel insulation resistance of header box photovoltaic group string; Communication alert unit 14 comprises communication network 12 and warning device 13, and warning device comprises audible-visual annunciator; Video monitor unit is arranged at header box periphery, comprises high-definition camera 8 and multichannel input type video tape recorder 9.
This device mainly by detection alarm means, obtains timely system and device information and processes, with the generation of fire preventing accident.Infomation detection is from two aspects, one is pass through monitoring remote video, intuitive monitoring is carried out to header box peripheral environment, clearly whether there is condition of a fire situation, another passes through state detection unit, the signal that detection may cause the condition of a fire to occur, comprise temperature signal and resistance insulation signal, input relies on temperature detecting unit and insulation resistance detecting unit, temperature detecting unit comprises temperature sensor, be arranged in header box, insulation resistance detecting unit connects the multichannel insulation resistance of header box photovoltaic group string, two paths of signals is collected signal by high-speed data acquisition card, be connected with processor through RS232 module, compared according to collection signal and setting alarming value by processor, judge whether to send alarm signal.
Processor comprises main control chip and connected data storage, main control chip can select singlechip chip or dsp chip, being used for realizing the collection of sampled signal and the differentiation of alarm signal, when detecting that collection signal reaches alarming value, just alarm signal being sent to communication alert unit; Communication alert unit comprises communication network and warning device, on the one hand can realize between unit by communication network interconnected, can realize the warning instruction of system data and operational circumstances on the other hand; Communication network comprises Local Sensor Network and remote wireless network, and sensor network adopts electric power signal line carrier transmission, and remote wireless network adopts the point-to-point transmission of long distance.Information transmission mode is the basis that guarantee information 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.
Warning device comprises audible-visual annunciator on the spot, can field personnel be reminded in time to scent a hidden danger, simultaneously, alarm signal also can by the remote wireless network in communication network, realize long range points point to-point communication, be connected with the server at photovoltaic Substation control center, server comprises some the Ethernet formula network switchs, so just the checkout gear in single region can be connected, and rely on Local Sensor Network and remote wireless network, expand the control for all detection protective devices of whole transformer station, the control centre of whole power generation region micro-system can also be upgraded to by the electric power technology of Internet of things of advanced person, for expansion monitoring function has laid good communication network basis.
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 (6)
1. a header box group string insulation detection device, it is characterized in that: the detecting unit, the communication alert unit that comprise processor and be connected with described processor respectively, described detecting unit comprises video monitor unit and state detection unit, and described state detection unit comprises temperature detecting unit and insulation resistance detecting unit.
2. a kind of header box group string insulation detection device as claimed in claim 1, is characterized in that: described processor comprises main control chip and connected data storage.
3. a kind of header box group string insulation detection device as claimed in claim 1, is characterized in that: described state detection unit connects high-speed data acquisition card, and is connected with described processor by RS232 module.
4. a kind of header box group string insulation detection device as claimed in claim 1, is characterized in that: described temperature detecting unit comprises temperature sensor, is arranged in header box, and described insulation resistance detecting unit connects the multichannel insulation resistance of header box photovoltaic group string.
5. a kind of header box group string insulation detection device as claimed in claim 1, is characterized in that: described communication alert unit comprises communication network and warning device, and described warning device comprises audible-visual annunciator.
6. a kind of header box group string insulation detection device as claimed in claim 1, is characterized in that: it is peripheral that described video monitor unit is arranged at described header box, comprises high-definition camera and multichannel input type video tape recorder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520659409.4U CN204993251U (en) | 2015-08-28 | 2015-08-28 | Flow box that converges organizes insulating detection device of cluster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520659409.4U CN204993251U (en) | 2015-08-28 | 2015-08-28 | Flow box that converges organizes insulating detection device of cluster |
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| Publication Number | Publication Date |
|---|---|
| CN204993251U true CN204993251U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520659409.4U Active CN204993251U (en) | 2015-08-28 | 2015-08-28 | Flow box that converges organizes insulating detection device of cluster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138326A (en) * | 2021-05-12 | 2021-07-20 | 阳光电源股份有限公司 | Insulation detection system, insulation detection method and photovoltaic system |
-
2015
- 2015-08-28 CN CN201520659409.4U patent/CN204993251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138326A (en) * | 2021-05-12 | 2021-07-20 | 阳光电源股份有限公司 | Insulation detection system, insulation detection method and photovoltaic system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |