CN203984342U - Branch's controllable intelligent header box and photovoltaic system based on IGBT technology - Google Patents
Branch's controllable intelligent header box and photovoltaic system based on IGBT technology Download PDFInfo
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- CN203984342U CN203984342U CN201420402764.9U CN201420402764U CN203984342U CN 203984342 U CN203984342 U CN 203984342U CN 201420402764 U CN201420402764 U CN 201420402764U CN 203984342 U CN203984342 U CN 203984342U
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- header box
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- hall element
- igbt
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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
Branch's controllable intelligent header box based on IGBT technology, comprising: casing is provided with the positive and negative busbar of direct current in casing; The access assembly being interconnected to form by IGBT control assembly and Hall element, the positive and negative busbar electrical connection of access assembly and direct current, Hall element is for being connected with photovoltaic circuit; Sensing system, sensing system comprises sampling component, Temperature Humidity Sensor and Master Control Unit, sensing system is arranged in casing, sampling component and the electrical connection of access assembly, sampling component, Temperature Humidity Sensor are all connected with Master Control Unit signal; Background controller; Communications component, Master Control Unit is connected with background controller signal by communications component.Design by said structure, the header box that the utility model provides, except having the function of general intelligence header box, can also realize deciliter control to each duplexure.The utility model also provides a kind of photovoltaic system that above-mentioned header box is installed.
Description
Technical field
The utility model photovoltaic power generation technology field, more particularly, particularly a kind of branch's controllable intelligent header box and a kind of photovoltaic system based on IGBT technology.
Background technology
Header box, as the electrical connection between photovoltaic module and combining inverter, offers the device of photovoltaic combining inverter after the direct current that solar cell is sent confluxes, and realizes measurement, protection and control to each duplexure.
The now high-end Intelligent photovoltaic combiner box on market, has realized the monitoring, warning of electric current to each duplexure, voltage and the communication with background system, but has not realized the automatic control to each duplexure, and this problem of bringing has:
1) while there are the abnormal conditions such as overcurrent at duplexure, device can only melt down fault loop excision by the fuse in loop, must manually change fuse and could recover loop operation after excision.
2) adopt fuse to realize branch's overcurrent protection, protection precision is not high.
3) cannot realize circuit breaker and the each duplexure in remote control deciliter header box.
Utility model content
In view of this, the utility model provides a kind of branch's controllable intelligent header box and a kind of photovoltaic system based on IGBT technology, to address the above problem.
For achieving the above object, the utility model provides following technical scheme:
Branch's controllable intelligent header box based on IGBT technology, comprising:
Casing is provided with the positive and negative busbar of direct current in described casing;
The access assembly being interconnected to form by IGBT control assembly and Hall element, the positive and negative busbar electrical connection of described access assembly and described direct current, described Hall element is for being connected with photovoltaic circuit;
Sensing system, described sensing system comprises sampling component, Temperature Humidity Sensor and Master Control Unit, described sensing system is arranged in casing, described sampling component and the electrical connection of described access assembly, described sampling component, described Temperature Humidity Sensor are all connected with described Master Control Unit signal;
Background controller;
Communications component, described Master Control Unit is connected with described background controller signal by described communications component.
Preferably, the utility model also includes lightning protection component, and described lightning protection component is arranged between described access assembly and the positive and negative busbar of described direct current.
Design by said structure, the branch's controllable intelligent header box based on IGBT technology that the utility model provides, in each Zhi Huilu, increase an IGBT who is controlled by CPU (insulated gate bipolar transistor) switch, this Novel busbar box, except having the function (realizing each duplexure current/voltage monitoring, ambient temperature and humidity monitoring, lightning protection counnter attack and and Background communication) of general intelligence header box, can also be realized deciliter control to each duplexure.
The utility model also provides a kind of photovoltaic system, includes many independently photovoltaic cell groups, also includes the branch's controllable intelligent header box based on IGBT technology described above; Described branch's controllable intelligent header box based on IGBT technology includes access assembly, and described access assembly comprises Hall element, and described Hall element includes multiple, the setting corresponding to described photovoltaic cell group of described Hall element; Described Hall element is arranged on the cable of described photovoltaic cell group.
This photovoltaic system is owing to being provided with above-mentioned header box, and its advantage having is:
1, remote control and manually turn on and off on the spot each duplexure and main breaker respectively;
2, branch's overcurrent definite value can be set respectively, automatically disconnect duplexure when out-of-limit detecting;
3, the IGBT switch in loop can replace DC fuse and the counnter attack diode in conventional header box, and overall cost is better than normal procedure intelligent header box.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the component composition schematic diagram of the branch's controllable intelligent header box based on IGBT technology in a kind of embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 1 is the component composition schematic diagram of the branch's controllable intelligent header box based on IGBT technology in a kind of embodiment of the utility model.
The branch's controllable intelligent header box based on IGBT technology that the utility model provides is by casing 1 and be arranged on communications component 5 in casing 1, display module, local operation control system, Master Control Unit 4, IGBT control assembly 2, sampling component, Hall element 3, outlet breaker, lightning protection component 6, Temperature Humidity Sensor etc. and form.
In large-scale photovoltaic system, include many independently photovoltaic cell group 7 branch roads, the concrete structure that the utility model is arranged in photovoltaic system based on above-mentioned design is:
1) each road photovoltaic cell group 7 was ganged up IGBT control assembly 2, Hall element 3 accesses the positive and negative busbar of direct current in case, and after confluxing, through outlet breaker output, the lightning protection component 6 being connected between positive and negative busbar is mainly that thunderbolt is exempted to make in protection loop.
2) sampling component gathers the current signal of each duplexure by Hall element 3, gathers by Temperature Humidity Sensor.
Ambient temperature in header box and moisture signal, and sampled data is sent to Master Control Unit 4.
3) communications component 5 is realized host computer and intelligent junction box communication, and the parameters such as the total voltage after confluxing in case, total current, each branch current, humiture, IGBT on off state are sent to background monitoring main frame in real time.Receive distant place operations staff deciliter outlet breaker or the each IGBT of branch switch command, and send Master Control Unit 4 to, automatically perform respective operations by Master Control Unit 4.
4) IGBT control assembly 2 is serially connected in the middle of each duplexure, sends the control end of ON-and OFF-command signal to IGBT when Master Control Unit 4 monitors when duplexure electric current is greater than overcurrent protection set point, disconnects this duplexure, realizes overcurrent protection function.Generate operate time, current value event simultaneously, and be sent to host computer.
5) local operation control system and display module are mainly available to operation maintenance personnel at the other operation of intelligent junction box and display interface.
Design by said structure, the branch's controllable intelligent header box based on IGBT technology that the utility model provides, in each Zhi Huilu, increase an IGBT who is controlled by CPU (insulated gate bipolar transistor) switch, this Novel busbar box, except having the function (realizing each duplexure current/voltage monitoring, ambient temperature and humidity monitoring, lightning protection counnter attack and and Background communication) of general intelligence header box, can also be realized deciliter control to each duplexure.
The utility model also provides a kind of photovoltaic system, includes many independently photovoltaic cell groups 7, also includes the branch's controllable intelligent header box based on IGBT technology described above; Branch's controllable intelligent header box based on IGBT technology includes access assembly, and access assembly comprises Hall element 3, and Hall element 3 includes multiple, Hall element 3 setting corresponding to photovoltaic cell group 7; Hall element 3 is arranged on the cable of photovoltaic cell group 7.
This photovoltaic system is owing to being provided with above-mentioned header box, and its advantage having is:
1, remote control and manually turn on and off on the spot each duplexure and main breaker respectively;
2, branch's overcurrent definite value can be set respectively, automatically disconnect duplexure when out-of-limit detecting;
3, the IGBT switch in loop can replace DC fuse and the counnter attack diode in conventional header box, and overall cost is better than normal procedure intelligent header box.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. the branch's controllable intelligent header box based on IGBT technology, is characterized in that, comprising:
Casing (1) is provided with the positive and negative busbar of direct current in described casing;
The access assembly being interconnected to form by IGBT control assembly (2) and Hall element (3), the positive and negative busbar electrical connection of described access assembly and described direct current, described Hall element is for being connected with photovoltaic circuit;
Sensing system, described sensing system comprises sampling component, Temperature Humidity Sensor and Master Control Unit (4), described sensing system is arranged in casing, described sampling component and the electrical connection of described access assembly, described sampling component, described Temperature Humidity Sensor are all connected with described Master Control Unit signal;
Background controller;
Communications component (5), described Master Control Unit is connected with described background controller signal by described communications component.
2. the branch's controllable intelligent header box based on IGBT technology according to claim 1, is characterized in that,
Also include lightning protection component (6), described lightning protection component is arranged between described access assembly and the positive and negative busbar of described direct current.
3. a photovoltaic system, includes many independently photovoltaic cell groups (7), it is characterized in that,
Also include the branch's controllable intelligent header box based on IGBT technology as claimed in claim 1 or 2;
Described branch's controllable intelligent header box based on IGBT technology includes access assembly, and described access assembly comprises Hall element, and described Hall element includes multiple, the setting corresponding to described photovoltaic cell group of described Hall element;
Described Hall element is arranged on the cable of described photovoltaic cell group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402764.9U CN203984342U (en) | 2014-07-21 | 2014-07-21 | Branch's controllable intelligent header box and photovoltaic system based on IGBT technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402764.9U CN203984342U (en) | 2014-07-21 | 2014-07-21 | Branch's controllable intelligent header box and photovoltaic system based on IGBT technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203984342U true CN203984342U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420402764.9U Active CN203984342U (en) | 2014-07-21 | 2014-07-21 | Branch's controllable intelligent header box and photovoltaic system based on IGBT technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203984342U (en) |
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2014
- 2014-07-21 CN CN201420402764.9U patent/CN203984342U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |