CN106026913B - Solar energy bypass diode fault diagnosis system and solar junction box - Google Patents

Solar energy bypass diode fault diagnosis system and solar junction box Download PDF

Info

Publication number
CN106026913B
CN106026913B CN201610522922.8A CN201610522922A CN106026913B CN 106026913 B CN106026913 B CN 106026913B CN 201610522922 A CN201610522922 A CN 201610522922A CN 106026913 B CN106026913 B CN 106026913B
Authority
CN
China
Prior art keywords
connect
module
diode
bypass diode
voltage output
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
Application number
CN201610522922.8A
Other languages
Chinese (zh)
Other versions
CN106026913A (en
Inventor
张清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Hy Technology Development Co Ltd
Original Assignee
Yangzhou Hy Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yangzhou Hy Technology Development Co Ltd filed Critical Yangzhou Hy Technology Development Co Ltd
Priority to CN201610522922.8A priority Critical patent/CN106026913B/en
Publication of CN106026913A publication Critical patent/CN106026913A/en
Application granted granted Critical
Publication of CN106026913B publication Critical patent/CN106026913B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10Testing of PV devices, e.g. of PV modules or single PV cells
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/044Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a semiconductor device to sense the temperature
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/047Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The present invention relates to solar energy bypass diode fault diagnosis systems; suitable for carrying out fault diagnosis to the bypass diode in parallel with solar panel; including automatic protection circuit and diagnostic circuit; the automatic protection circuit includes relay; the relay is connected with bypass diode, and the automatic protection circuit is connect with the diagnostic circuit, the configuration of the present invention is simple; it is easy to operate, and can be realized automated diagnostic and protection.

Description

Solar energy bypass diode fault diagnosis system and solar junction box
Technical field
The present invention relates to solar controller technical field more particularly to solar energy bypass diode fault diagnosis system and Solar junction box.
Background technique
Existing solar panel, bypass diode circuit unprotect device, in bypass diode circuit, some goes out When now damaging, the electric energy in solar panel is not only lost in diode, and itself temperature rise is very high, has security risk. It is time-consuming, expend, effort when maintenance and in the photovoltaic plant of later period large area, seriously drag slow project progress.
The patent of 202797011 U of Authorization Notice No. CN: a kind of solar cell module protects circuit, including with by going here and there The bypass diode of solar battery sheet group reversed polarity parallel connection of the cell piece composition of connection connection further includes and two poles of the bypass Pipe is in parallel and thermal coupling merging can be in the open type overheat switch of the set temperature automatic electric short circuit bypass diode Device, the open type overheat switch device can restore automatically in another set temperature to the normality disconnected, the overheat Protection device is open type bimetal leaf thermal switch, and a kind of solar junction box has for being electrically connected with solar cell module The binding post connect, include inside the solar junction box solar cell module protection circuit bypass diode and with it is described Bypass diode is in parallel and thermal coupling merges the open type overheating protection for capableing of the bypass diode described in set temperature electric short circuit Switching device, the open type overheat switch device can restore automatically in another set temperature to the normality disconnected, described Solar junction box includes the plastic-sealed body for being molded with the bypass diode and open type overheat switch device, described normally opened Type heat portective switch device is bimetal leaf thermal switch, and the chip of the bypass diode is arranged at the bimetal leaf heat and opens On the metal base of pass or its extension, and the bypass diode and the bimetal leaf thermal switch by integral die in one In a plastic-sealed body, a kind of solar power system, including solar cell module protect circuit, which can be effectively used for The overheating protection of solar cell module electricity generation system;Meanwhile be effectively reduced the heat consumption bulk density in solar junction box with Meet its miniaturization and reliability requirement, and can guarantee that automatically bypass diode is continuously within the scope of safe working temperature;But It is that the patent is inadequate without independently detection and the function of protecting, safety.
Summary of the invention
The object of the present invention is to provide solar energy bypass diode fault diagnosis system and solar junction box, solve existing The technical issues of having the bypass diode of solar junction box in technology independently can not detect and protect;
The technical scheme to solve the above technical problems is that
Solar energy bypass diode fault diagnosis system, suitable for the bypass diode in parallel with solar panel into Row fault diagnosis, including automatic protection circuit and diagnostic circuit, the automatic protection circuit include relay, the relay with Bypass diode series connection, the automatic protection circuit are connect with the diagnostic circuit.
Based on the above technical solution, the present invention can also be improved as follows:
Further, the number of the relay and the number of bypass diode are identical, and each bypass diode connects one The relay.
Further, the diagnostic circuit includes thermosensitive probe, temperature sensor module, control module and micro-control unit, Thermosensitive probe setting is connect in the Diode facets, and with temperature sensor module, the micro-control unit respectively with Temperature sensor module, control module connection, the control module are connect with the relay, are using the beneficial effect of this step It is detected by temperature of the thermosensitive probe to diode, the temperature signal detected is handled by micro-control unit, Control module is sent a signal to, controls cut-off or closure finally by control module.
It further, further include light emitting diode, the light emitting diode is connected with control module, using the beneficial effect of this step Fruit is to control whether light emitting diode alarms by control module.
It further, further include both-way communication module, the both-way communication module is connect with the micro-control unit, and described It is provided with communication interface in both-way communication module, the beneficial effect using this step is after being connected to by both-way communication module Platform server realizes Background control.
It further, further include Width funtion voltage reduction module, it is defeated that the Width funtion voltage reduction module is provided with voltage input end, voltage Outlet one, voltage output two, voltage output three and voltage output four, the voltage output one and the microcontroller list Member connection, the voltage output two are connect with the control module, and the voltage output three connects with temperature sensor module Connect, the voltage output four is connect with the both-way communication module, the voltage input end of the Width funtion voltage reduction module with too Positive energy solar panel connection, the beneficial effect using this step are that voltage adjustment is realized by Width funtion voltage reduction module, give micro-control with this Unit, control module and temperature sensor module processed are powered.
A kind of solar junction box, it is described including diode and above-mentioned solar energy bypass diode fault diagnosis system Relay and the Diode series in system.
The present invention realizes the protection to solar energy bypass diode, is examined by diagnostic circuit to automatic protection circuit It surveys and controls.
Wherein, the automatic protection circuit includes relay, is connect by relay with bypass diode, realizes automatic protect The opening and closing of protection circuit.
Wherein, the diagnostic circuit includes thermosensitive probe, temperature sensor module, diode, control module and microcontroller Unit, wherein thermosensitive probe one end is arranged in Diode facets, and the other end is connect with temperature sensor module, the microcontroller list Member is connect with temperature sensor module, control module respectively, and the control module is connect with the relay, passes through thermosensitive probe The temperature of diode is detected, the temperature signal detected is handled by micro-control unit, sends a signal to control Molding block controls cut-off or closure finally by control module.
Wherein, the invention also includes light emitting diode, the light emitting diode is connected with control module, passes through control module It can control light emitting diode to alarm, prevent diode temperature excessively high.
Wherein, it further includes both-way communication module, and the both-way communication module is connect with micro-control unit, and both-way communication It is in series with communication interface in module, the communication with background server may be implemented by both-way communication module, backstage is realized with this Control.
Wherein, it further includes Width funtion voltage reduction module, the Width funtion voltage reduction module be respectively arranged with voltage output one, Voltage output two, voltage output three and voltage output four, the voltage output one is connect with micro-control unit, described Voltage output two is connect with control module, and the voltage output three is connect with temperature sensor module, the voltage output Mouth four is connect with both-way communication module, and the voltage input end of the Width funtion voltage reduction module is connect with solar panel;
When in use, voltage adjustment can be realized by Width funtion voltage reduction module, give micro-control unit, control module with this It is powered with temperature sensor module.
Beneficial effects of the present invention:
1. automatic protection circuit is connected with diagnostic circuit in the present invention, temperature detection is carried out using diagnostic circuit and is realized with this Control to automatic protection circuit.
2. the present invention is provided with temperature sensor module and micro-control unit, two poles are detected using temperature sensor module The temperature of pipe realizes the processing to temperature signal using micro-control unit, gives control module one signal, realizes to relay Control.
3. the present invention is provided with light emitting diode, alarmed using light emitting diode, in this way to the protection of diode.
4. the present invention solves the problems, such as the diode safety in automatic protection circuit, promotes solar junction box and independently examine It surveys, alarm, protective capability.
5. the configuration of the present invention is simple, easy to operate, and highly-safe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of solar energy bypass diode fault diagnosis system described in the specific embodiment of the invention;
In attached drawing, parts list represented by the reference numerals are as follows:
1, solar panel;
2, automatic protection circuit;
3, diagnostic circuit;
4, relay;
5, bypass diode;
6, thermosensitive probe;
7, temperature sensor module;
8, control module;
9, micro-control unit;
10, light emitting diode;
11, both-way communication module;
12, communication interface;
13, Width funtion voltage reduction module;
14, voltage output one;
15, voltage output two;
16, voltage output three;
17, voltage output four;
18, voltage input end.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the invention.
Automatic protection circuit is connected with diagnostic circuit in the present invention, carries out temperature detection using diagnostic circuit and is realized pair with this The control of automatic protection circuit;The present invention is provided with temperature sensor module and micro-control unit, utilizes temperature sensor module The temperature of diode is detected, the processing to temperature signal is realized using micro-control unit, gives the control module one signal, it is real Now to the control of relay;The present invention is provided with light emitting diode, is alarmed using light emitting diode, in this way to diode Protection;The present invention solves the problems, such as the diode safety in automatic protection circuit, promotes solar junction box and independently detects, reports Alert, protective capability;The configuration of the present invention is simple, it is easy to operate and highly-safe.
Embodiment:
Solar energy bypass diode fault diagnosis system as shown in Figure 1, respectively with solar panel 1, and bypass two Pole pipe 5 connects, wherein bypass diode 5 is protected to solar panel 1;
Solar energy bypass diode fault diagnosis system as shown in Figure 1, including automatic protection circuit 2 and diagnostic circuit 3, The automatic protection circuit 2 includes relay 4, and the relay 4 connects with bypass diode 5, the automatic protection circuit 2 and The diagnostic circuit 3 connects
When in use, bypass diode 5 mainly protects solar panel 1, may be implemented by relay 4 The control and protection to automatic protection circuit 2 may be implemented by diagnostic circuit 3 in protection to bypass diode 5.
The number of the relay 4 is identical as the number of bypass diode 5, and each bypass diode 5 connects described in one Relay 3;
Wherein, the diagnostic circuit 3 includes thermosensitive probe 6, temperature sensor module 7, control module 8 and micro-control unit 9, described 6 one end of thermosensitive probe is arranged on 5 surface of diode, and the other end is connect with temperature sensor module 7, the microcontroller list Member 9 is connect with temperature sensor module 7, control module 8 respectively, and the control module 8 is connect with the relay 4;
When in use, it is detected by temperature of the thermosensitive probe 6 to diode 5, by micro-control unit 9 to detecting Temperature signal handled, send a signal to control module 8, finally by control module 8 control relay 4 disconnect or close It closes.
Wherein, it further includes light emitting diode 10, and the light emitting diode 10 is connected with control module 8;
When in use, control whether light emitting diode 10 alarms by control module 8.
Wherein, it further includes both-way communication module 11, and the both-way communication module 11 is connect with micro-control unit 9, and double Communication interface 12 is in series on communication module 11;
When in use, it can be connected to background server by both-way communication module 11, realize Background control.
Wherein, it further includes Width funtion voltage reduction module 13, and the Width funtion voltage reduction module 13 is respectively arranged with voltage output Mouth 1, voltage output 2 15, voltage output 3 16 and voltage output 4 17, the voltage output 1 and micro-control Unit 9 processed connects, and the voltage output 2 15 is connect with control module 8, the voltage output 3 16 and temperature sensor Module 7 connects, and the voltage output 4 17 is connect with both-way communication module 11, and the voltage of the Width funtion voltage reduction module 13 is defeated Enter end 18 to connect with solar panel 1;
When in use, voltage adjustment is realized by Width funtion voltage reduction module 13, gives micro-control unit 9, control module 8 with this It is powered with temperature sensor module 7.
A kind of solar junction box, including diode and solar energy bypass diode fault diagnosis system as shown in Figure 1, Relay 4 and the Diode series in the system.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (5)

1. solar energy bypass diode fault diagnosis system, suitable for the bypass diode progress in parallel with solar panel Fault diagnosis, which is characterized in that including automatic protection circuit and diagnostic circuit, the automatic protection circuit includes relay, institute It states relay to connect with bypass diode, the number of the relay and the number of bypass diode are identical, two poles of each bypass Pipe connects a relay, and the automatic protection circuit is connect with the diagnostic circuit, and the diagnostic circuit includes temperature-sensitive Probe, temperature sensor module, control module and micro-control unit, described thermosensitive probe one end are arranged in Diode facets, separately One end is connect with temperature sensor module, and the thermosensitive probe detects the temperature of diode, the micro-control unit point It is not connect with temperature sensor module, control module, the control module is connect with the relay, it further includes Width funtion drop Die block, the Width funtion voltage reduction module are provided with voltage input end, voltage output one, voltage output two and voltage output Mouth three, the voltage output one is connect with micro-control unit, and the voltage output two is connect with the control module, described Voltage output three is connect with temperature sensor module, the voltage input end and solar panel of the Width funtion voltage reduction module Connection.
2. solar energy bypass diode fault diagnosis system according to claim 1, which is characterized in that further include luminous two Pole pipe, the light emitting diode are connected with the control module.
3. solar energy bypass diode fault diagnosis system according to claim 2, which is characterized in that further include two-way Module is interrogated, the both-way communication module is connect with the micro-control unit, and is provided with communication in the both-way communication module and is connect Mouthful.
4. solar energy bypass diode fault diagnosis system according to claim 3, which is characterized in that the Width funtion drop Die block is provided with voltage output four, and the voltage output four is connect with the both-way communication module.
5. a kind of solar junction box, which is characterized in that including any solar energy bypass of diode and claim 1-4 Diode breakdown diagnostic system, relay and the Diode series in the system.
CN201610522922.8A 2016-07-01 2016-07-01 Solar energy bypass diode fault diagnosis system and solar junction box Active CN106026913B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610522922.8A CN106026913B (en) 2016-07-01 2016-07-01 Solar energy bypass diode fault diagnosis system and solar junction box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610522922.8A CN106026913B (en) 2016-07-01 2016-07-01 Solar energy bypass diode fault diagnosis system and solar junction box

Publications (2)

Publication Number Publication Date
CN106026913A CN106026913A (en) 2016-10-12
CN106026913B true CN106026913B (en) 2019-08-06

Family

ID=57106674

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610522922.8A Active CN106026913B (en) 2016-07-01 2016-07-01 Solar energy bypass diode fault diagnosis system and solar junction box

Country Status (1)

Country Link
CN (1) CN106026913B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108390643B (en) * 2018-02-09 2020-04-17 杭州网策通信技术有限公司 Remote monitoring system and method for solar photovoltaic module

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103884444A (en) * 2014-04-01 2014-06-25 苏州边枫电子科技有限公司 Remote monitoring type photovoltaic junction box based on thermistor temperature measurement and RFID transmission
CN204258718U (en) * 2014-11-04 2015-04-08 西安普瑞新特能源有限公司 A kind of Intelligent wiring box
CN104767478A (en) * 2015-03-18 2015-07-08 江苏九鼎光伏系统有限公司 Photovoltaic system disaster control method and safe wiring box
CN205883162U (en) * 2016-07-01 2017-01-11 扬州虹扬科技发展有限公司 Solar energy bypass diode fault diagnostic and solar junction box

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102738281A (en) * 2012-07-05 2012-10-17 谢可勋 Solar battery module protection circuit, solar junction box and power generation system
KR20160064688A (en) * 2014-11-28 2016-06-08 주식회사 하이솔루션 Junction box of photovoltaic cell module with communication function
CN205232151U (en) * 2015-11-26 2016-05-11 湖南科比特新能源科技股份有限公司 Photovoltaic exchanges measurement and control device that converges

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103884444A (en) * 2014-04-01 2014-06-25 苏州边枫电子科技有限公司 Remote monitoring type photovoltaic junction box based on thermistor temperature measurement and RFID transmission
CN204258718U (en) * 2014-11-04 2015-04-08 西安普瑞新特能源有限公司 A kind of Intelligent wiring box
CN104767478A (en) * 2015-03-18 2015-07-08 江苏九鼎光伏系统有限公司 Photovoltaic system disaster control method and safe wiring box
CN205883162U (en) * 2016-07-01 2017-01-11 扬州虹扬科技发展有限公司 Solar energy bypass diode fault diagnostic and solar junction box

Also Published As

Publication number Publication date
CN106026913A (en) 2016-10-12

Similar Documents

Publication Publication Date Title
CN207010221U (en) A kind of intelligent wireless controller switching equipment of fault detect
CN102570615A (en) Electric meter box intelligent supervising system
CN104680712A (en) Anti-trampling prewarning system for people crowded region and implementation method for anti-treading prewarning system
CN206442105U (en) Current transformer monitoring and protecting system
CN102444989B (en) Water system auxiliary electrical heating temperature control system and control method
CN106026913B (en) Solar energy bypass diode fault diagnosis system and solar junction box
CN106026904B (en) A kind of photovoltaic module of resistance to hot spot effect
CN104377753A (en) Battery management system with field-effect tube breakdown detection function
CN205883162U (en) Solar energy bypass diode fault diagnostic and solar junction box
CN205609391U (en) Low -voltage circuit breaker intelligence data processing module
CN107222014A (en) A kind of solar charging circuit of lithium battery
CN208273318U (en) Street lamp control system with alarming mechanism
CN203274949U (en) Over-temperature detection and protection circuit of current transformer
CN205909536U (en) Electric water heater who prevents malfunction goes out water electrical shutoff control system
CN204391726U (en) A kind of Novel electric surge protector
CN108075461A (en) A kind of Current Transformer Secondary side overvoltage protection
CN205320030U (en) Photovoltaic power generation system of detectable and harm of elimination hot spot effect
CN105988392B (en) A kind of SCM Based heater Weight detector
CN204391714U (en) A kind of Novel electric surge protector
CN203564097U (en) Novel water dispenser
CN208638329U (en) A kind of intelligent safety monitoring protection system for photovoltaic generating module
CN206402185U (en) Intelligent junction box
CN207039166U (en) A kind of pole power-off system of electric heater three with human body infrared sensing
CN204597455U (en) Charging inlet temperature monitoring protective device
CN204391716U (en) A kind of Novel electric surge protector

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Zhang Qing

Inventor before: Ye Guoqing

Inventor before: Xie Ping

COR Change of bibliographic data
GR01 Patent grant
GR01 Patent grant