CN202454582U - Intelligent wireless photovoltaic junction box - Google Patents
Intelligent wireless photovoltaic junction box Download PDFInfo
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- CN202454582U CN202454582U CN2012200176274U CN201220017627U CN202454582U CN 202454582 U CN202454582 U CN 202454582U CN 2012200176274 U CN2012200176274 U CN 2012200176274U CN 201220017627 U CN201220017627 U CN 201220017627U CN 202454582 U CN202454582 U CN 202454582U
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- negative pole
- hub
- anodal
- concentrator
- control module
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- 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
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Abstract
The utility model discloses an intelligent wireless photovoltaic junction box which comprises a box body, a positive pole wiring row, a negative pole wiring row, a positive pole concentrator, a negative pole concentrator, a breaker, an arrester and a measurement and control module, wherein the positive pole wiring row, the negative pole wiring row, the positive pole concentrator, the negative pole concentrator, the breaker, the arrester and the measurement and control module are arranged in the box body. The positive pole concentrator is connected with the positive pole wiring row through the measurement and control module, the negative pole concentrator is connected with the negative pole wiring row, the positive pole concentrator and the negative pole concentrator are connected with an input end of the breaker, the output end of the breaker is connected with a junction output end, and the input end of the arrester is respectively connected with the positive pole concentrator, the negative pole concentrator and the ground end. The intelligent wireless photovoltaic junction box has the advantages of being simple in circuit design, compact in internal structure, small in occupied space and the like, can achieve remote monitoring, has good lightning protection functions, can be connected with an upper computer through a wired or wireless communication mode, achieves intelligent control, can effectively overcome traditional defects of complicated wiring, high cost and the like, can acquire and process 16-circuit current signals, simplifies circuit design, and reduces cost.
Description
Technical field
The utility model relates to a kind of intelligent radio photovoltaic header box, belongs to the photovoltaic generation field of wireless communication.
Background technology
Solar energy power generating occupies the important seat that world energy sources is consumed in 21 century, not only will substitute the part conventional energy resource, and will become the main body of world energy supplies, so the solar energy power generating industry has important strategic position in energy field.
In solar photovoltaic generation system, the header box device can reduce the line between photovoltaic battery array and the inverter, makes system maintenance easy, and reliability improves.The user is according to the size of inverter input direct voltage; Be composed in series a photovoltaic cell component tandem to the identical battery component of some specifications; Again several battery component tandems are inserted header box and conflux, through exporting the access of convenient back level inverter behind lightning protection device and the circuit breaker.
Employed domestic and international header box has following defective in existing photovoltaic generating system: first; Only realized confluxing of 8 to 12 road battery component tandem current signals; And the outer A/D chip of employing sheet carries out analog-to-digital conversion; So not only make the scene take more space, and improved total cost because of increasing header box; The second, header box is at the scene through wired mode communication, and so not only wiring is complicated, and cost is also than higher; The 3rd, though the header box that has can be realized certain wireless telecommunications, this single wireless telecommunications can't be suitable for all field conditions; The 4th, when header box breaks down, can't search and locate its specific address and position.
The utility model content
The purpose of the utility model is, a kind of intelligent radio photovoltaic header box is provided, and it has, and design circuit is simple, internal structure is compact, the characteristics such as little that take up room, and can realize remote monitoring, and have good lightning protection function.Can be online through wired or wireless communication modes and host computer, realize intelligent control, can effectively solve defectives such as traditional wiring complicacy, cost height, and can realize 16 road current signals are gathered and handled, simplify circuit design, reduce cost.
The technical scheme of the utility model: a kind of intelligent radio photovoltaic header box; Comprise casing and anodal line bank, negative pole line bank, anodal hub, negative pole hub, circuit breaker, the output that confluxes, lightning protection device and the control module be located in the casing; Anodal hub is connected with anodal line bank through control module; The negative pole hub is connected with the negative pole line bank, and anodal hub is connected with the input of circuit breaker with the negative pole hub, and the output of circuit breaker is connected with the output that confluxes; The input of said lightning protection device is connected with anodal hub, negative pole hub respectively with the ground end and is connected.
In the aforesaid this intelligent radio photovoltaic header box, control module comprises microprocessor, the communication part that is connected with microprocessor, current detection module, toggle switch and power module.Toggle switch is set confirms the control module address of node, when signal transmission or troubleshooting, can search fast and locate.
In the aforesaid this intelligent radio photovoltaic header box; Microprocessor adopts ARM7 series LPC2138 master chip, and master chip has 16 A/D conversion input ports, can expand the photovoltaic cell component tandem to 16 the tunnel; So not only reduce cost, and reduced the complexity of design circuit.
In the aforesaid this intelligent radio photovoltaic header box, communication part is supported RS485 wire communication and wireless telecommunications dual mode.
In the aforesaid this intelligent radio photovoltaic header box, said wireless telecommunications comprise ZIGBEE and two kinds of wireless protocols of WIFI.
In the aforesaid this intelligent radio photovoltaic header box, control module is provided with RS485 wireline interface, ZIGBEE wave point and WIFI wave point.Two kinds of wave points that wireless module is corresponding are through SPI mode and master chip communication; The user can select any communication modes according to demand; Wherein two kinds of wireless communication mode synchronizations can only use one, and wireless telecommunications have solved defectives such as traditional wiring complicacy, cost height.
In the aforesaid this intelligent radio photovoltaic header box, also be provided with antenna in the casing, antenna is connected with ZIGBEE wave point or WIFI wave point.
In the aforesaid this intelligent radio photovoltaic header box; Two kinds of wave points are through SPI mode and master chip communication; The user can select any communication modes according to demand; Wherein two kinds of wireless communication mode synchronizations can only use one, and wireless telecommunications have solved defectives such as traditional wiring complicacy, cost height.
In the aforesaid this intelligent radio photovoltaic header box, be provided with anodal protection fuse between anodal line bank and the control module, be provided with negative pole protection fuse between negative pole line bank and the negative pole hub.
Compared with prior art; After the utility model inserts header box with the photovoltaic array battery pack; The measured hole that every road signal is provided with through control module is realized detection and warning function to every road signal, and is wired through RS485, ZIGBEE is wireless and the WIFI wireless communication mode is uploaded to signal the host computer of Control Room; Through change in current, judge the running status of battery component at host computer fast.When battery component broke down, through the toggle switch state, the location made the system maintenance simple and fast fast, moves more economically, and selected wireless communication mode has solved defectives such as traditional wiring complicacy, cost height.Adopt the LPC2138 chip that 16 A/D conversion input ports are arranged in the control module, solved the defective of tradition 8 to 12 road signal samplings, make design circuit simple, and reduced cost.After the photovoltaic array battery pack inserts the control module of header box; After hub confluxes; Lightning-protection module in the parallel connection, realize to the positive pole of photovoltaic cell component over the ground, negative pole over the ground, lightning protection function between the both positive and negative polarity, when thunderbolt takes place; Can effectively guide the thunder-strike current that is applied in the system into the earth, protect the safety of battery component and system to greatest extent.
Description of drawings
Fig. 1 is the planar structure distribution schematic diagram of the utility model intelligent radio photovoltaic header box specific embodiment.
Being labeled as in the accompanying drawing: 1-casing, 1A-earth terminal, the anodal line bank of 2A-, 2B-negative pole line bank, the anodal hub of 3A-; 3B-negative pole hub, 4-circuit breaker, the 5-output that confluxes, 6-lightning protection device, 7-control module; 7A-wire communication terminal, 7B-power module, 7C-toggle switch, 7D-ZIGBEE module interface; The 7E-WIFI module interface, 7F-antenna, the anodal protection of 8A-fuse, 8B-negative pole protection fuse.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
The embodiment 1 of the utility model: a kind of intelligent radio photovoltaic header box; Comprise casing 1 and anodal line bank 2A, negative pole line bank 2B, anodal hub 3A, negative pole hub 3B, circuit breaker 4, the output 5 that confluxes, the lightning protection device 6 be located in the casing 1; Control module 7; Anodal hub 3A is connected with anodal line bank 2A through control module 7; Negative pole hub 3B is connected with negative pole line bank 2B, and anodal hub 3A is connected with the input of circuit breaker 4 with negative pole hub 3B, and the output of circuit breaker 4 is connected with the output 5 that confluxes; The input of said lightning protection device 6 is connected with anodal hub 3A, negative pole hub 3B respectively with ground end 1A and is connected.
Control module 7 comprises microprocessor, the communication part that is connected with microprocessor, current detection module, toggle switch 7C and power module 7B.
Microprocessor adopts ARM7 series LPC2138 master chip, and master chip has 16 A/D conversion input ports.
Communication part adopts the RS485 wire communication mode.Control module 7 is provided with RS485 wireline interface 7A.
Be provided with anodal protection fuse 8A between anodal line bank 2A and the control module 7, be provided with negative pole protection fuse 8B between negative pole line bank 2B and the negative pole hub 3B.
The embodiment 2 of the utility model: as shown in Figure 1; A kind of intelligent radio photovoltaic header box comprises casing 1 and anodal line bank 2A, negative pole line bank 2B, anodal hub 3A, negative pole hub 3B, circuit breaker 4, the output 5 that confluxes, the lightning protection device 6 be located in the casing 1, control module 7; Be provided with control module 7 between anodal line bank 2A and the anodal hub 3A; Anodal line bank 2A is provided with a plurality of anodal pins, and an end of anodal pin is connected with the positive electrical of photovoltaic array battery pack, and the other end all is connected with protection fuse 8A; Protection fuse 8A connects behind the diode and output to be passed a plurality of measured holes that control module 7 is provided with is connected with anodal hub 3A; Negative pole line bank 2B is provided with a plurality of negative pole pins, and an end of negative pole pin is connected with the negative electricity of photovoltaic array battery pack, and the other end all is connected with negative pole protection fuse 8B; Negative pole protection fuse 8B is connected with negative pole hub 3B; Anodal hub 3A is connected with the input of circuit breaker 4 with negative pole hub 3B, and the output of circuit breaker 4 is connected with the output 5 that confluxes, and lightning protection device 6 comprises three lightning-protection modules; Wherein two lightning-protection modules are connected with anodal hub, negative pole hub, and the 3rd lightning-protection module is connected with earth terminal 1A.
Circuit breaker 4 comprises two groups of contacts, and one of them contact sets connects anodal hub 3A and the positive pole of the output 5 that confluxes, and another contact sets connects the negative pole of the negative pole hub 3B and the output 5 that confluxes.
Communication part adopts the wireless telecommunications dual mode.Said wireless telecommunications comprise ZIGBEE and two kinds of wireless protocols of WIFI.Control module 7 is provided with RS485 wireline interface 7A, ZIGBEE wave point 7D and WIFI wave point 7E, and antenna 7F is connected with ZIGBEE wireless module or WIFI wireless module.
Two kinds of wave points are through SPI mode and master chip communication, and the user can select any communication modes according to demand, and wherein two kinds of wireless communication mode synchronizations can only use one, and wireless telecommunications have solved defectives such as traditional wiring complicacy, cost height.
In the present embodiment, anodal line bank 2A is provided with 16 pins, negative pole line bank 2B is provided with 16 pins, and the protection fuse that is connected with anodal line bank 2A is provided with 16, and the protection fuse that is connected with negative pole line bank 2B is provided with 16.
Further innovation as the utility model; Can also in casing, have additional the display screen that is connected with control module 7, alarm, other wireless communication assembly etc.; Through display screen and alarm control module 7 is measured; Understand the running status of photovoltaic array battery component at the scene in real time, use when making things convenient for system and plant maintenance.
The operation principle of the utility model; Behind photovoltaic array battery component access header box; Communication modes such as every line conductor passes the measured hole that the control module 7 of integral intelligent is provided with, and realizes monitoring and warning function to every road current signal, and is wired through RS485, that ZIGBEE is wireless, WIFI is wireless are uploaded to signal the host computer of Control Room; Through the situation of change of current signal, judge the running status of battery component fast.When battery component breaks down, confirm control module 7 addresses through toggle switch 7C state, the location makes the system maintenance simple and fast fast, moves more economically, and it is complicated that these two kinds of wireless communication modes have solved traditional wiring, defectives such as cost height.The photovoltaic array battery component inserts header box; After intelligent monitoring module 7, after anodal hub 3A, negative pole hub 3B confluxed, lightning-protection module 6 in the parallel connection; Realization to the positive pole of photovoltaic cell component over the ground, negative pole over the ground, lightning protection function between the both positive and negative polarity; When thunderbolt takes place, can effectively guide the thunder-strike current that is applied to system into the earth, protect the safety of battery component and system to greatest extent.
Claims (8)
1. intelligent radio photovoltaic header box; It is characterized in that: comprise casing (1) and be located at anodal line bank (2A), negative pole line bank (2B), anodal hub (3A), negative pole hub (3B), circuit breaker (4), the output that confluxes (5), lightning protection device (6), the control module (7) in the casing (1); Anodal hub (3A) is connected with anodal line bank (2A) through control module (7); Negative pole hub (3B) is connected with negative pole line bank (2B); Anodal hub (3A) is connected with the input of negative pole hub (3B) with circuit breaker (4), and the output of circuit breaker (4) is connected with the output that confluxes (5); The input of said lightning protection device (6) is connected with anodal hub (3A), negative pole hub (3B) and ground end (1A) respectively.
2. a kind of intelligent radio photovoltaic header box according to claim 1 is characterized in that: control module (7) comprises microprocessor, the communication part that is connected with microprocessor, current detection module, toggle switch (7C) and power module (7B).
3. a kind of intelligent radio photovoltaic header box according to claim 2 is characterized in that: microprocessor adopts ARM7 series LPC2138 master chip, and master chip has 16 A/D conversion input ports.
4. a kind of intelligent radio photovoltaic header box according to claim 2 is characterized in that: communication part adopts RS485 wire communication and wireless telecommunications dual mode.
5. a kind of intelligent radio photovoltaic header box according to claim 4 is characterized in that: said wireless telecommunications comprise ZIGBEE and two kinds of wireless protocols of WIFI.
6. a kind of intelligent radio photovoltaic header box according to claim 2 is characterized in that: control module (7) is provided with RS485 wireline interface (7A), ZIGBEE wave point (7D) and WIFI wave point (7E).
7. a kind of intelligent radio photovoltaic header box according to claim 6 is characterized in that: also be provided with antenna (7F) in the casing (1), antenna (7F) is connected with ZIGBEE wave point (7D) or WIFI wave point (7E).
8. a kind of intelligent radio photovoltaic header box according to claim 1; It is characterized in that: be provided with anodal protection fuse (8A) between anodal line bank (2A) and the control module (7), be provided with negative pole protection fuse (8B) between negative pole line bank (2B) and the negative pole hub (3B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200176274U CN202454582U (en) | 2012-01-16 | 2012-01-16 | Intelligent wireless photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200176274U CN202454582U (en) | 2012-01-16 | 2012-01-16 | Intelligent wireless photovoltaic junction box |
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| Publication Number | Publication Date |
|---|---|
| CN202454582U true CN202454582U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200176274U Expired - Fee Related CN202454582U (en) | 2012-01-16 | 2012-01-16 | Intelligent wireless photovoltaic junction box |
Country Status (1)
| Country | Link |
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| CN (1) | CN202454582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549633A (en) * | 2016-12-06 | 2017-03-29 | 无锡科技职业学院 | A kind of photovoltaic confluence device |
| CN111313827A (en) * | 2020-03-13 | 2020-06-19 | 许昌许继风电科技有限公司 | Direct current collection flow box |
-
2012
- 2012-01-16 CN CN2012200176274U patent/CN202454582U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549633A (en) * | 2016-12-06 | 2017-03-29 | 无锡科技职业学院 | A kind of photovoltaic confluence device |
| CN111313827A (en) * | 2020-03-13 | 2020-06-19 | 许昌许继风电科技有限公司 | Direct current collection flow box |
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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 |
Granted publication date: 20120926 Termination date: 20150116 |
|
| EXPY | Termination of patent right or utility model |