CN206294129U - A kind of centralized high power MPPT off-network photovoltaic controllers - Google Patents
A kind of centralized high power MPPT off-network photovoltaic controllers Download PDFInfo
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- CN206294129U CN206294129U CN201621359029.XU CN201621359029U CN206294129U CN 206294129 U CN206294129 U CN 206294129U CN 201621359029 U CN201621359029 U CN 201621359029U CN 206294129 U CN206294129 U CN 206294129U
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- direct current
- speed fan
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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 a kind of centralized high power MPPT off-network photovoltaic controllers, it is characterised in that：Including four groups of solar panels binding post S+ and binding post S, solar panels binding post S+ is connected by counnter attack diode (led) module with converter, the converter is connected with one end of dc circuit breaker and driver respectively, the other end of the dc circuit breaker is connected by emergency stop switch, power supply indicator and accessory power supply, the accessory power supply is respectively controller and direct current high-speed fan provides working power, and the controller is connected with direct current high-speed fan, driver, display screen and matrix press-key respectively.The utility model is designed by converter using the four staggered formula synchronization Buck based on IGBT half-bridge modules, reduce the size of electric current in turning circuit, so that the volume reduction of circuit, weight saving, the change of conversion power are greatly, the loss of system is reduced simultaneously, the charging rate of battery is improved, while extending the service life of batteries.
Description
Technical field
The utility model belongs to photovoltaic controller, is related to a kind of centralized high power MPPT off-network photovoltaic controllers.
Background technology
Increasingly serious with world today's energy crisis and environmental pollution, solar energy can be again as a kind of new green
Production-goods source is subject to more and more extensive attention.
High-power off-network controller centralized in the market is typically using the control mode of PWM, but solar cell
Array is easily influenceed by intensity of illumination, environment temperature, load so that the voltage and current of output is continually changing.In order to fill
Divide and utilize solar energy, farthest improve the conversion efficiency of photovoltaic cell, it is necessary to the output work taken measures to photovoltaic cell
Rate is controlled by, it is ensured that be operated in maximum power point, while heightening the charging rate of battery, it is ensured that battery can be for a long time
It is in running order.
Utility model content
A kind of centralized high power MPPT off-network photovoltaic controllers that the utility model is provided, base is used by converter
In four staggered formula synchronization Buck designs of IGBT half-bridge modules, the power grade of photovoltaic controller is improve, solve photovoltaic
The conversion efficiency of controller is low, loss is big and the slow problem of battery charging rate.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of centralized high power MPPT off-network photovoltaic controllers, including four groups of solar panels binding post S+ and terminals
Sub- S-, solar panels binding post S+ is connected by counnter attack diode (led) module with converter, and the converter is disconnected with direct current respectively
One end of road device and driver are connected, and the other end of the dc circuit breaker is by emergency stop switch, power supply indicator and auxiliary electricity
Source connects, and the accessory power supply is respectively controller and direct current high-speed fan and provides working power, the controller respectively with directly
Stream high-speed fan, driver, display screen and matrix press-key connection；
Wherein described converter uses four staggered formula synchronization Buck topological structures, per mutually including an IGBT half-bridge mould
Block, two filter capacitors and a power inductance, the negative electrode of the counnter attack diode (led) module respectively with the collection of IGBT half-bridge modules
The positive pole connection of electrode and a filter capacitor, one end connection of the central point and power inductance of the IGBT half-bridge modules is described
The other end of power inductance positive pole respectively with another filter capacitor, one end of dc circuit breaker are connected；Solar panel
Binding post S- is connected with the negative pole of two filter capacitors and the emitter stage of IGBT half-bridge modules respectively.
Further, the structure of the photovoltaic controller includes cabinet, front door and Rear Door；
The cabinet includes the first radiator, the second radiator, shielding steel plate and direct current high-speed fan, at the top of cabinet
Direct current high-speed fan is provided with, the bottom of the direct current high-speed fan is provided with the first radiator, is set on first radiator
It is equipped with counnter attack diode (led) module；
Second radiator is arranged on the lower section of the first radiator, and it is high to be provided with direct current at the top of second radiator
Fast blower fan, is provided with the upper plane of IGBT half-bridge modules, the IGBT half-bridge modules and filter capacitor on second radiator
Main power amplifier board is provided with, Absorption Capacitance, absorption resistance, the one of the main power amplifier board are respectively arranged with the main power amplifier board
Side is provided with dc circuit breaker；
The shielding steel plate is internally provided with driver, and controller and power electricity are provided with below the driver
Sense, the outside side of the shielding steel plate is provided with accessory power supply, and the accessory power supply has been respectively arranged below direct current at a high speed
Blower fan；
The front door and Rear Door are separately positioned on the both sides of cabinet, and being respectively arranged with jerk on the front door opens
Pass, power supply indicator, display screen and matrix press-key；Multiple radiator windows are provided with the Rear Door.
Further, the radiator window is relative with direct current high-speed fan, and the radiator window is used to produce direct current high-speed fan
Raw air-flow outflow.
Further, the window size of the radiator window is equal in magnitude with direct current high-speed fan.
The beneficial effects of the utility model：The utility model uses four phases based on IGBT half-bridge modules by converter
Alternating expression synchronization Buck is designed, and reduces the size of electric current in turning circuit, and then reduces the parameter size of electric capacity and inductance so that
The volume reduction of circuit, weight saving, conversion power become big, while the loss of the system of reduction, improves the charging rate of battery,
Extend the service life of batteries simultaneously.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, make required for being described to embodiment below
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is a kind of centralized high power MPPT off-networks photovoltaic controller schematic internal view of the utility model；
Fig. 2 is front view of the present utility model；
Fig. 3 is rearview of the present utility model；
Fig. 4 is side view of the present utility model；
Fig. 5 is electrical schematic diagram of the present utility model；
In accompanying drawing, the list of parts representated by each label is as follows：
1- cabinets, 2- front doors, 3- Rear Doors, the radiators of 4- first, the radiators of 5- second, 6- shielding steel plates, 7- direct currents
High-speed fan, 8- counnter attack diode (led) modules, 9-IGBT half-bridge modules, 10- Absorption Capacitances, 11- filter capacitors, 12- absorption resistances,
13- dc circuit breakers, the main power amplifier boards of 14-, 15- accessory power supplys, 16- power inductances, 17- emergency stop switch, 18- power supply indicators,
19- display screens, 20- matrix press-keys, 21- radiator windows.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is entered
Row is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained all other embodiment, belongs to the scope of the utility model protection.
As shown in Figures 1 to 4, a kind of centralized high power MPPT off-network photovoltaic controllers, including cabinet 1, front door 2 and after
Door-plate 3；
Cabinet 1 includes the first radiator 4, the second radiator 5, shielding steel plate 6 and direct current high-speed fan 7, on the top of cabinet 1
Portion has been arranged side by side four direct current high-speed fans 7, and the bottom of direct current high-speed fan 7 is provided with the first radiator 4, is dissipated first
Counnter attack diode (led) module 8 is provided with hot device 4；
The bottom of the first radiator 4 is provided with the second radiator 5, two are provided with directly at the top of the second radiator 5
Stream high-speed fan 7, is provided with four IGBT half-bridge modules 9 on the second radiator 5, and four IGBT half-bridge modules 9 are horizontally arranged,
The bottom of the second radiator 5 is provided with filter capacitor 11, wherein the upper plane of IGBT half-bridge modules 9 and filter capacitor 11 is upper
Plane is concordant, and main power amplifier board 14 is provided with two upper surfaces；Absorption Capacitance 10 is respectively arranged with main power amplifier board 14, is absorbed
Resistance 12, wherein main power amplifier board 14 passes through to set up electrical connection between fastening screw and IGBT half-bridge modules 9 and filter capacitor 11；
The side of main power amplifier board 14 is provided with dc circuit breaker 13；
Driver 16, controller 17 and power inductance 18 are internally provided with shielding steel plate 6, the lower section of driver 16 sets
Controller 17 is equipped with, power inductance 18 is installed in the lower section of controller 17, the outside side for shielding steel plate 6 is provided with auxiliary electricity
Source 15, two direct current high-speed fans 7 have been respectively arranged below in accessory power supply 15.
Front door 2 is arranged on the side of cabinet 1, and display screen 21 and matrix press-key 22 are provided with front door 2, in display
The top of screen 21 and matrix press-key 22 is respectively arranged with emergency stop switch 19 and power supply indicator 20.
Rear Door 3 is arranged on the opposite side of cabinet 1, is provided with multiple radiator windows 23 on Rear Door 3, radiator window 23 with it is straight
Stream high-speed fan 7 is relative, and the air-flow that radiator window 23 is used to produce direct current high-speed fan 7 flows out, wherein the window of radiator window 23
Size is equal in magnitude with direct current high-speed fan 7.
As shown in figure 5, the binding post of solar panel includes four groups of binding post S+ and binding post S-, four groups connect
Line terminals S+ is connected with the anode of a counnter attack diode (led) module 8, four groups of negative electrodes of counnter attack diode (led) module 8 respectively with converter
Connection；
Converter includes IGBT half-bridge modules 9, filter capacitor 11 and power inductance 16, and the converter uses four staggered formulas
Synchronous Buck topological structures, wherein four it is staggered refer to four phase Buck circuit in parallel and interlaced work, work Shi Mei roads are frequently
Rate is identical, phase is different, and each phase differs 90 ° two-by-two.
Per mutually including 9, two filter capacitors 11 of an IGBT half-bridge module and a power inductance 18, counnter attack in converter
The negative electrode of diode (led) module 8 is connected with the colelctor electrode of IGBT half-bridge modules 9 and the anode of a filter capacitor 11 respectively, IGBT half-bridges
The central point of module 9 is connected with one end of power inductance 18, the other end of power inductance 18 respectively with another filter capacitor 11, straight
Flow breaker 13 one end connection, binding post S- respectively with the transmitting of the negative pole and IGBT half-bridge modules 9 of filter capacitor 11
Pole connects；
The other end of dc circuit breaker 13 passes sequentially through emergency stop switch 19, power supply indicator 20 and is connected with accessory power supply 15；
Accessory power supply 15 is connected with controller 17, direct current high-speed fan 7 respectively, for being controller 17 and direct current high speed winds
Machine 7 provides power supply；Controller 17 is connected with direct current high-speed fan 7, driver 16, display screen 21 and matrix press-key 22 respectively, control
Device processed 17 sends a control signal to driver 16, so as to be controlled to the component on main power amplifier board 14, while controller 17
Direct current high-speed fan 7 is sent a control signal to, the control to direct current high-speed fan 7 is realized.
When the power of solar panel output is larger, designed using crisscross parallel, flow through each conducting on converter
Electric current in circuit reduces, and output ripple reduces, and then the parameter value of electric capacity and inductance reduces so that circuit volume diminishes, weight
Amount mitigates, power density becomes big；The alternation of IGBT half-bridge modules 9 in converter, reduces IGBT half-bridge modules 9 simultaneously
Power attenuation, increases the service life of photovoltaic controller.
The utility model is designed by converter using the four staggered formula synchronization Buck based on IGBT half-bridge modules, drop
The size of electric current in low turning circuit, and then reduce the parameter size of electric capacity and inductance so that the volume of circuit reduces, weight subtracts
Gently, conversion power becomes big, while the loss of the system of reduction, improves the charging rate of battery, while extending making for batteries
Use the life-span.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member is made various modifications or supplement to described specific embodiment or is substituted using similar mode, without departing from reality
With new structure or surmount scope defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (4)
1. a kind of centralized high power MPPT off-network photovoltaic controllers, it is characterised in that：Including four groups of solar panels binding post S
+ and binding post S-, solar panels binding post S+ are connected by counnter attack diode (led) module (8) with converter, the converter
It is connected with one end of dc circuit breaker (13) and driver (16) respectively, the other end of the dc circuit breaker (13) passes through jerk
Switch (19), power supply indicator (20) are connected with accessory power supply (15), the accessory power supply (15) be respectively controller (17) and
Direct current high-speed fan (7) provides working power, the controller (17) respectively with direct current high-speed fan (7), driver (16), aobvious
Display screen (21) and matrix press-key (22) are connected；
Wherein described converter uses four staggered formula synchronization Buck topological structures, per mutually including IGBT half-bridge module (9),
Two filter capacitors (11) and a power inductance (18), the negative electrode of the counnter attack diode (led) module (8) respectively with IGBT half-bridges
The positive pole connection of the colelctor electrode and a filter capacitor (11) of module (9), central point and the power electricity of the IGBT half-bridge modules (9)
Feel one end connection of (18), the other end of the power inductance (18) positive pole respectively with another filter capacitor (11), direct current break
One end connection of road device (13)；The binding post S- of solar panel respectively with the negative pole of two filter capacitors (11) and
The emitter stage connection of IGBT half-bridge modules (9).
2. a kind of centralized high power MPPT off-network photovoltaic controllers according to claim 1, it is characterised in that：The light
The structure for lying prostrate controller includes cabinet (1), front door (2) and Rear Door (3)；
The cabinet (1) includes the first radiator (4), the second radiator (5), shielding steel plate (6) and direct current high-speed fan (7),
Direct current high-speed fan (7) is provided with the top of cabinet (1), the bottom of the direct current high-speed fan (7) is provided with the first radiating
Device (4), counnter attack diode (led) module (8) is provided with first radiator (4)；
Second radiator (5) is arranged on the lower section of the first radiator (4), is provided with the top of second radiator (5)
Direct current high-speed fan (7), is provided with IGBT half-bridge modules (9), the IGBT half-bridge modules (9) on second radiator (5)
The upper plane of filter capacitor (11) is provided with main power amplifier board (14), Absorption Capacitance is respectively arranged with the main power amplifier board (14)
(10), absorption resistance (12), the side of the main power amplifier board (14) is provided with dc circuit breaker (13)；
Shielding steel plate (6) is internally provided with driver (16), and controller is provided with below the driver (16)
(17) and power inductance (18), the outside side of shielding steel plate (6) is provided with accessory power supply (15), the accessory power supply
(15) be respectively arranged below direct current high-speed fan (7)；
The front door (2) and Rear Door (3) are separately positioned on the both sides of cabinet (1), are respectively arranged with the front door (2)
Emergency stop switch (19), power supply indicator (20), display screen (21) and matrix press-key (22)；It is provided with the Rear Door (3) many
Individual radiator window (23).
3. a kind of centralized high power MPPT off-network photovoltaic controllers according to claim 2, it is characterised in that：It is described to dissipate
Hot window (23) is relative with direct current high-speed fan (7), and the radiator window (23) is for the air-flow stream that produces direct current high-speed fan (7)
Go out.
4. a kind of centralized high power MPPT off-network photovoltaic controllers according to claim 2, it is characterised in that：It is described to dissipate
The window size of hot window (23) is equal in magnitude with direct current high-speed fan (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359029.XU CN206294129U (en) | 2016-12-12 | 2016-12-12 | A kind of centralized high power MPPT off-network photovoltaic controllers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359029.XU CN206294129U (en) | 2016-12-12 | 2016-12-12 | A kind of centralized high power MPPT off-network photovoltaic controllers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206294129U true CN206294129U (en) | 2017-06-30 |
Family
ID=59096523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621359029.XU Withdrawn - After Issue CN206294129U (en) | 2016-12-12 | 2016-12-12 | A kind of centralized high power MPPT off-network photovoltaic controllers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206294129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452346A (en) * | 2016-12-12 | 2017-02-22 | 合肥源擎电气科技有限公司 | Centralized high-power MPPT off-grid photovoltaic controller |
-
2016
- 2016-12-12 CN CN201621359029.XU patent/CN206294129U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452346A (en) * | 2016-12-12 | 2017-02-22 | 合肥源擎电气科技有限公司 | Centralized high-power MPPT off-grid photovoltaic controller |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170630 Effective date of abandoning: 20181109 |