CN219304527U - Low-voltage direct-current intelligent power supply device - Google Patents
Low-voltage direct-current intelligent power supply device Download PDFInfo
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- CN219304527U CN219304527U CN202221744003.2U CN202221744003U CN219304527U CN 219304527 U CN219304527 U CN 219304527U CN 202221744003 U CN202221744003 U CN 202221744003U CN 219304527 U CN219304527 U CN 219304527U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Abstract
The utility model provides a low-voltage direct current intelligent power supply device which adopts high-voltage and low-voltage double-rail arrangement, low-voltage electric equipment directly works under low voltage and is assisted by an energy storage battery pack, and the device is combined with photovoltaic and wind power generation to realize convenient application of clean energy, and can also peak-shaving and valley-filling of a power grid to a certain extent.
Description
Technical Field
The utility model relates to the technical field of power supply, in particular to a low-voltage direct current power supply device.
Background
With the rapid development of electronic technology, a large number of household electronic and electric equipment works by adopting low-voltage direct current, a power supply system always works at 220V, the low-voltage direct current is converted into the low-voltage direct current through a large number of power adapters to work, and the power adapters generate conversion loss and standby loss; 220V is laid in a large number in home, and potential safety hazards exist.
Disclosure of Invention
The utility model provides a low-voltage direct-current intelligent power supply device which adopts high-voltage and low-voltage double-rail arrangement, is assisted by an energy storage battery pack, combines photovoltaic and wind power generation, realizes convenient application of clean energy, and can also peak-load a grid to a certain extent.
The utility model adopts the following technical scheme:
a low voltage dc intelligent power supply device comprising:
the device comprises a voltage reducing device for reducing 220V into low-voltage direct current, an energy storage battery pack, an intelligent integrated controller, a power supply circuit, a low-voltage direct current power supply socket and the like;
the intelligent integrated controller comprises an energy storage battery pack charging control module, an energy storage battery pack and a mains supply power taking distribution switching module;
preferably, the intelligent integrated controller further comprises a photovoltaic solar energy and wind driven generator charging control module.
Preferably, the step-down device employs a switching power supply.
Preferably, the energy storage battery pack is a lithium titanate battery pack.
Preferably, the low-voltage direct current power supply adopts double 12V power supply.
Preferably, the low-voltage direct current power supply socket adopts an asymmetric jack.
The beneficial effects of the utility model are as follows: because the high-low voltage double-rail layout circuit is adopted, the high voltage 220V is mainly used for meeting the requirements of various high-power electric appliances such as air conditioners, water heaters, kitchen appliances and the like, the circuit can be laid at a high indoor place, and is difficult to be contacted by common people, especially children, the low voltage circuit is arranged at a low place, and the voltage is 12V, so that electric shock hidden worries are avoided;
the low-voltage direct current power supply is adopted, a power adapter is omitted for each low-voltage electric device, conversion loss and standby loss are avoided, the electric efficiency is greatly improved, and the electric device cost is reduced;
at present, the LED lamp has become the mainstream of the lighting industry, and low-voltage direct current power supply is adopted, so that the advantage of long service life of the LED can be fully exerted, the cost is reduced, and the trouble of safety certification can be avoided for manufacturing enterprises;
the low-voltage direct current power supply is distributed throughout the whole house, so that various sensors and controllers of the intelligent home are conveniently distributed, and the popularization of the Internet of things and the intelligent home is facilitated.
The energy storage battery pack is matched with photovoltaic and wind power generation, so that the combination of various power supply modes is realized, and the low-voltage direct current generated by the photovoltaic and wind power can be directly used by low-voltage electric equipment after being stored in the energy storage battery pack, so that a complex and expensive inversion system is omitted, interference to a power grid is avoided, and the popularization of wind and photovoltaic power generation to thousands of households is facilitated.
The intelligent power grid system can be intelligently linked with a power grid company, reasonably takes power according to peak and valley of the power grid, plays a positive role for safe and stable operation of the power grid, and simultaneously saves electricity charge expense for users;
the energy storage battery pack can ensure the power supply of the low-voltage electric equipment for a plurality of hours when the power is temporarily cut off.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic circuit diagram of the low-voltage dc intelligent power supply device of the present utility model.
Fig. 2 is a diagram of a power supply socket of the low-voltage direct-current intelligent power supply device.
The reference numerals are as follows:
1: a step-down device for reducing 220V to low-voltage direct current;
2: intelligent integrated controller, 21: energy storage group battery, commercial power get electric distribution switching module, 22: energy storage battery pack charge control module, 23: voltage stabilizing and filtering module, 24: the photovoltaic solar energy and wind driven generator charge control module;
31. 32: an energy storage battery pack;
4: a photovoltaic solar power generation device;
5: a wind power generator;
6: low voltage dc power supply outlet panel, 61: positive potential jack, 62:0 potential jack, 63: negative potential jack, 64: a USB jack.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments, not all embodiments.
As shown in fig. 1, 220V commercial power is reduced to low-voltage direct current by a voltage reducing device 1, and direct current of positive and negative 14V is converted to positive and negative 12V by a voltage stabilizing and filtering module 23 and then is sent to an energy storage battery pack and a commercial power electricity taking and distributing switching module 21; the energy storage battery packs 31, 32 can also be charged by the energy storage battery pack charging control module 22; the electric energy from the photovoltaic solar power generation device 4 and the wind driven generator 5 charges the energy storage battery packs 31 and 32 through the charging control module 24;
the energy storage battery pack and the mains supply electricity taking distribution switching module 21 send low-voltage power supply lines to each low-voltage electric equipment from an output end according to the electric quantity conditions of the energy storage battery packs 31 and 32 preferentially to take electricity at the end of the energy storage battery pack; when the electric quantity of the energy storage battery pack end is detected to be lower than a certain set value, the energy storage battery pack end is automatically switched to a commercial power end (the voltage is reduced by the voltage reducing device 1 and then changed into positive 12V and negative 12V by the voltage stabilizing and filtering module 23);
when the electric quantity of the energy storage battery pack is insufficient, the energy storage battery pack can be normally supplemented by the photovoltaic solar power generation device 4 and the wind driven generator 5 in time, and when the energy storage battery pack is insufficient, the energy storage battery pack can be supplemented by a mains supply end (the mains supply is subjected to voltage reduction by the voltage reduction device and then is charged by the energy storage battery pack charging control module 22 to the energy storage battery packs 31 and 32); the energy storage battery pack charging control module 22 can take electricity according to the peak-valley time selection of the power grid, and even can receive the power grid information in real time by the built-in communication module to select the electricity taking in the optimal time period to charge the storage battery.
As shown in fig. 2, the low-voltage dc power supply socket panel 6 is mounted on a wall and connected to a low-voltage power supply line, the positive potential jack 61 is connected to +12v, the 0 potential jack 62 is connected to 0 line, and the negative potential jack 63 is connected to-12V. The positive potential jack 61 and the negative potential jack 63 are different in shape, and are asymmetrically arranged to avoid reverse insertion. The electric equipment is powered by the corresponding plug, 12V electric equipment can be connected between the positive potential jack 61 and the 0 potential jack 62, or between the 0 potential jack 62 and the negative potential jack 63, and 24V electric equipment can be connected between the positive potential jack 61 and the negative potential jack 63.
The embodiment suggests that the 0 potential line is connected with the ground line of the commercial power, the ground end of the electric equipment can be connected to the 0 potential line, and meanwhile, the voltages of +12V and-12V ends to the ground are not more than 12V, so that the electric equipment is safer.
For 5V power supply, a power supply line can be separately provided, but considering that the voltage of 5V is lower and the line loss is larger, and in order to simplify the line and the whole system, the embodiment adopts that a 12V to 5V adapter module is additionally arranged on the power consumption terminal, and then the power is output through the USB jack 64 on the low-voltage dc power supply socket panel 6. (12V to 5V adapter Module is hidden from view)
The energy storage battery pack adopts a colloid battery pack or a lithium titanate battery pack, in particular a lithium titanate battery, which has the characteristics of ultra-long charge and discharge life, and has the advantages of high efficiency, low loss, low self-discharge and more energy conservation.
Throughout the observation of the current low-voltage electric equipment, the LED lighting lamp can comprehensively adopt 12V power supply; the electric fan can adopt 12V or 24V; the liquid crystal television panel 24V supplies power, and the other parts are 12V or 5V; the desktop computer is powered by 12V and 5V; the notebook computer is basically between 18V and 24V, and most 24V is available; other small portable devices are essentially 5V. The 24V, 12V and 5V voltages provided by the scheme can basically cover most low-voltage electric equipment.
In the above description, each module: the voltage reducing device for reducing 220V into low-voltage direct current comprises an energy storage battery pack, a mains supply power taking distribution switching module, an energy storage battery pack charging control module, a voltage stabilizing and filtering module, a photovoltaic solar energy and wind driven generator charging control module and the like, which belong to the prior art category, and can be easily realized by a common level electronic engineer, and the schematic diagram of the voltage reducing device is not explained in detail herein.
The low-voltage direct-current intelligent power supply device can be widely applied to various power utilization units, such as a single residence, a small office building, various office areas in the office building, a plurality of high-rise residence units and the like, particularly a high-rise residence, and a small wind driven generator can be arranged on a balcony to fully utilize wind power resources; the outer wall can be uniformly provided with the photovoltaic solar panel to replace the outer wall decoration brick, thereby not only utilizing solar energy to generate electricity, but also solving the problem of high temperature of the sunny side wall body and realizing comprehensive energy conservation.
The above description is merely an embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions that do not undergo the inventive work should be covered in the scope of the present utility model; no element, act, or instruction used herein should be construed as critical or essential unless explicitly described as such.
Claims (6)
1. A low-voltage direct current intelligent power supply device is characterized in that: comprising
The device comprises a voltage reducing device for reducing 220V into low-voltage direct current, an energy storage battery pack, an intelligent integrated controller, a power supply circuit, a low-voltage direct current power supply socket and the like;
the intelligent integrated controller comprises an energy storage battery pack charging control module, an energy storage battery pack and a mains supply power taking distribution switching module.
2. The low voltage dc intelligent power supply device of claim 1, wherein: the intelligent integrated controller also comprises a photovoltaic solar energy and wind driven generator charging control module.
3. The low voltage dc intelligent power supply device of claim 1, wherein: the step-down device adopts a switching power supply.
4. The low voltage dc intelligent power supply device of claim 1, wherein: the energy storage battery pack adopts a lithium titanate battery pack.
5. The low voltage dc intelligent power supply device of claim 1, wherein: the low-voltage direct current power supply adopts double 12V power supply.
6. The low voltage dc intelligent power supply device of claim 5, wherein: the low-voltage direct current power supply socket adopts an asymmetric jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221744003.2U CN219304527U (en) | 2022-07-06 | 2022-07-06 | Low-voltage direct-current intelligent power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221744003.2U CN219304527U (en) | 2022-07-06 | 2022-07-06 | Low-voltage direct-current intelligent power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219304527U true CN219304527U (en) | 2023-07-04 |
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ID=86954320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221744003.2U Active CN219304527U (en) | 2022-07-06 | 2022-07-06 | Low-voltage direct-current intelligent power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219304527U (en) |
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2022
- 2022-07-06 CN CN202221744003.2U patent/CN219304527U/en active Active
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