CN208707375U - A kind of photovoltaic charge controller - Google Patents
A kind of photovoltaic charge controller Download PDFInfo
- Publication number
- CN208707375U CN208707375U CN201821561548.3U CN201821561548U CN208707375U CN 208707375 U CN208707375 U CN 208707375U CN 201821561548 U CN201821561548 U CN 201821561548U CN 208707375 U CN208707375 U CN 208707375U
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- input terminal
- module
- control module
- converter
- output end
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Photovoltaic Devices (AREA)
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a kind of photovoltaic charge controllers, including shell and set on the mounting base of the housing base, the housing tip is equipped with human-computer interaction module, the human-computer interaction module is respectively arranged below with load wiring terminal, battery terminal and photovoltaic array connecting terminal, wherein；Control module and DC/DC converter are equipped in the shell, the output end of the control module is connected separately with the input terminal of serial ports input terminal, the input terminal of alarm module, the input terminal of temperature sensor and DC/AC converter.The utility model: the integration of control module is cooperated to assemble by synchronous BUCK power module, not only current stress is small, improves device reliability, and improves system degree of regulation, in addition, based on synchronous rectification, energy conversion efficiency is improved, and temperature sensor 10 is convenient for real-time monitoring device temperature, prevent temperature excessively high, service using life is improved, the volume of whole charge controller is reduced, reduces costs.
Description
Technical field
The utility model relates to clean energy technology fields, it particularly relates to a kind of photovoltaic charge controller.
Background technique
Under the overall background of climate change and energy shortage, solar energy power generating is increasingly favored.Based on distribution
The micro-grid system of power generation is the trend of the following photovoltaic power generation.In micro-grid system, since output power is larger, photovoltaic array it is defeated
Voltage is higher out, needs to charge to battery using decompression charger.And existing market it is common there are two types of, one is
Flyback decompression transformation, it is lower due to accommodating power, it is common in the charger of consumption electronic product, the second is being charged using BUCK
Circuit, since its is high-efficient, receiving power is big, is common in high-power charging, such as in the charger of photovoltaic plant.But
Buck circuit haves the shortcomings that switching device current stress is big, and with the increase of output power, reliability is reduced, on the other hand,
Using the charge controller of Buck circuit, output current ripple is big, reduces unit efficiency, carries out when using very big inductance
When filtering, both increase cost, dynamic characteristic is also bad so that using when have some limitations.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the purpose of this utility model is to propose a kind of photovoltaic charge controller, to overcome
Above-mentioned technical problem present in existing the relevant technologies.
The technical solution of the utility model is achieved in that
A kind of photovoltaic charge controller, including shell and set on the mounting base of the housing base, the housing tip is set
There is human-computer interaction module, the human-computer interaction module is respectively arranged below with load wiring terminal, battery terminal and light
Photovoltaic array connecting terminal, wherein；
Control module and DC/DC converter are equipped in the shell, the output end of the control module is connected separately with string
Mouthful input terminal, the input terminal of alarm module, the input terminal of temperature sensor and DC/AC converter input terminal, the DC/DC hands over
The output end of stream device is connected with the input terminal of input protective module, and the output end of the input protective module is connected with synchronous BUCK
The input terminal of power module, the output end of the synchronous BUCK power module be connected separately with the control module input terminal and
The input terminal of battery, the output end of the battery are connected with the input terminal of the DC/AC converter, and the control module
It is bi-directionally connected and the human-computer interaction module.
Further, the input terminal of the DC/DC converter is connected with the output end of photovoltaic array, and the DC/AC is handed over
The output end for flowing device connects loaded input terminal.
Further, the human-computer interaction module includes keyboard and liquid crystal display, and the human-computer interaction module passes through
I/O interface is connected with the control module.
Further, the control module is MPPT controller or MXT8051 controller, and is equipped in the control module
A/D translation interface.
Further, the input protective module includes A1 and A2, and the A1 connects W1 and W2 with A2 difference foot, and
The A1 also distinguishes foot with the A2 and connects R1 and R2, and the R1 connects G1 and G2 with R2 difference foot.
Further, the synchronous BUCK power module includes Lf and V0, and the Lf connects D and Q with V0 difference foot.
The utility model has the beneficial effects that cooperating the integration assembly of control module by synchronous BUCK power module, no
Only current stress is small, improves device reliability, and improves system degree of regulation, in addition, being based on synchronous rectification, mentions
High energy conversion efficiency, and temperature sensor is convenient for real-time monitoring device temperature, prevents temperature excessively high, improves device and uses the longevity
Life, reduces the volume of whole charge controller, reduces costs.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram according to the photovoltaic charge controller of the utility model embodiment；
Fig. 2 is the functional block diagram according to the photovoltaic charge controller of the utility model embodiment；
Fig. 3 is the assembling schematic diagram according to the photovoltaic charge controller of the utility model embodiment；
Fig. 4 is the input protective module circuit diagram according to the photovoltaic charge controller of the utility model embodiment；
Fig. 5 is the synchronization BUCK power module circuitry figure according to the photovoltaic charge controller of the utility model embodiment；
Fig. 6 is the circuit diagram according to the photovoltaic charge controller of the utility model embodiment.
In figure:
1, shell；2, mounting base；3, human-computer interaction module；4, load wiring terminal；5, battery terminal；6, photovoltaic
Array connecting terminal；7, control module；8, serial ports；9, alarm module；10, temperature sensor；11, DC/AC converter；12,DC/
DC converter；13, protective module is inputted；14, synchronous BUCK power module；15, battery.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of photovoltaic charge controller.
As shown in figures 1 to 6, the photovoltaic charge controller according to the utility model embodiment, including shell 1 and be set to
The mounting base 2 of 1 pedestal of shell, 1 top of shell are equipped with human-computer interaction module 3, the lower section of the human-computer interaction module 3
It is respectively equipped with load wiring terminal 4, battery terminal 5 and photovoltaic array connecting terminal 6, wherein；
It is equipped with control module 7 and DC/DC converter 12 in the shell 1, the output end of the control module 7 is separately connected
There is the input terminal of 8 input terminal of serial ports, the input terminal of alarm module 9, the input terminal of temperature sensor 10 and DC/AC converter 11,
The output end of the DC/DC converter 12 is connected with the input terminal of input protective module 13, described to input the defeated of protective module 13
Outlet is connected with the input terminal of synchronous BUCK power module 14, and the output end of the synchronous BUCK power module 14 is connected separately with
The input terminal of the control module 7 and the input terminal of battery 15, the output end of the battery 15 are connected with the DC/AC and hand over
The input terminal of device 11 is flowed, and the control module 7 is bi-directionally connected and the human-computer interaction module 3.
With the aid of the technical scheme, the integration of control module 7 is cooperated to assemble by synchronous BUCK power module 14, no
Only current stress is small, improves device reliability, and improves system degree of regulation, in addition, being based on synchronous rectification, mentions
High energy conversion efficiency, and temperature sensor 10 is convenient for real-time monitoring device temperature, prevents temperature excessively high, improves device and uses
Service life reduces the volume of whole charge controller, reduces costs.
In addition, in one embodiment, the input terminal of the DC/DC converter 12 is connected with the output end of photovoltaic array,
And the output end of the DC/AC converter 11 connects loaded input terminal.
In addition, in one embodiment, the human-computer interaction module 3 includes keyboard and liquid crystal display, and described man-machine
Interactive module 3 is connected by I/O interface with the control module 7.
In addition, in one embodiment, the control module 7 is MPPT controller or MXT8051 controller, and the control
A/D translation interface is equipped in molding block 7.
In addition, in one embodiment, the input protective module 13 includes that A1 and A2, the A1 and the A2 distinguish foot
W1 and W2 is connected, and the A1 also distinguishes foot with the A2 and connects R1 and R2, the R1 connects G1 and G2 with R2 difference foot.
In addition, in one embodiment, the synchronous BUCK power module 14 includes Lf and V0, the Lf and the V0 points
Other foot connects D and Q.
In conclusion passing through the synchronous cooperation of BUCK power module 14 control by means of the above-mentioned technical proposal of the utility model
The integration assembly of molding block 7, not only current stress is small, improves device reliability, and improve system degree of regulation, separately
Outside, it is based on synchronous rectification, improves energy conversion efficiency, and temperature sensor 10 is convenient for real-time monitoring device temperature, prevents
Only temperature is excessively high, improves service using life, reduces the volume of whole charge controller, reduce costs.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of photovoltaic charge controller, which is characterized in that including shell (1) and set on the mounting base of the shell (1) pedestal
(2), shell (1) top is equipped with human-computer interaction module (3), and the human-computer interaction module (3) is respectively arranged below with load
Connecting terminal (4), battery terminal (5) and photovoltaic array connecting terminal (6), wherein；
Control module (7) and DC/DC converter (12) are equipped in the shell (1), the output end of the control module (7) is distinguished
It is connected with the input terminal and DC/AC converter of serial ports (8) input terminal, the input terminal of alarm module (9), temperature sensor (10)
(11) input terminal, the output end of the DC/DC converter (12) is connected with the input terminal of input protective module (13), described defeated
The output end for entering protective module (13) is connected with the input terminal of synchronous BUCK power module (14), the synchronous BUCK power module
(14) output end is connected separately with the input terminal of the control module (7) and the input terminal of battery (15), the battery
(15) output end is connected with the input terminal of the DC/AC converter (11), and the control module (7) be bi-directionally connected with it is described
Human-computer interaction module (3).
2. a kind of photovoltaic charge controller according to claim 1, which is characterized in that the DC/DC converter (12)
Input terminal is connected with the output end of photovoltaic array, and the output end of the DC/AC converter (11) connects loaded input terminal.
3. a kind of photovoltaic charge controller according to claim 1, which is characterized in that human-computer interaction module (3) packet
Keyboard and liquid crystal display are included, and the human-computer interaction module (3) is connected by I/O interface with the control module (7).
4. a kind of photovoltaic charge controller according to claim 1, which is characterized in that the control module (7) is MPPT
Controller or MXT8051 controller, and A/D translation interface is equipped in the control module (7).
5. a kind of photovoltaic charge controller according to claim 1, which is characterized in that input protective module (13) packet
A1 and A2 are included, the A1 connects W1 and W2 with A2 difference foot, and the A1 also distinguishes foot with the A2 and connects R1 and R2, institute
It states R1 and connects G1 and G2 with R2 difference foot.
6. a kind of photovoltaic charge controller according to claim 1, which is characterized in that the synchronous BUCK power module
It (14) include Lf and V0, the Lf connects D and Q with V0 difference foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821561548.3U CN208707375U (en) | 2018-09-25 | 2018-09-25 | A kind of photovoltaic charge controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821561548.3U CN208707375U (en) | 2018-09-25 | 2018-09-25 | A kind of photovoltaic charge controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208707375U true CN208707375U (en) | 2019-04-05 |
Family
ID=65947233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821561548.3U Expired - Fee Related CN208707375U (en) | 2018-09-25 | 2018-09-25 | A kind of photovoltaic charge controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208707375U (en) |
-
2018
- 2018-09-25 CN CN201821561548.3U patent/CN208707375U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20210925 |