CN212811295U - Energy-saving power supply system - Google Patents
Energy-saving power supply system Download PDFInfo
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- CN212811295U CN212811295U CN202020221720.1U CN202020221720U CN212811295U CN 212811295 U CN212811295 U CN 212811295U CN 202020221720 U CN202020221720 U CN 202020221720U CN 212811295 U CN212811295 U CN 212811295U
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- voltage
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- power supply
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model discloses an energy-conserving power supply system, include: the solar energy conversion device comprises a solar energy electric energy generating device, an energy storage device, a voltage conversion device, a control device and a plurality of direct current voltage ports. The voltage conversion device provides a plurality of direct current voltage ports with direct current voltage, and the energy-saving power supply system does not have any alternating current voltage port; the energy storage device purchases alternating current electric energy from a power grid system through an alternating current-to-direct current voltage converter and an intelligent electric meter, converts the alternating current electric energy into direct current electric energy, and stores the direct current electric energy in the energy storage device.
Description
Technical Field
The utility model relates to an energy-conserving power supply system especially relates to an energy-conserving power supply system who reduces energy loss.
Background
Energy-saving power supply systems are a trend in the future building field. Although solar electric energy generation devices and thermoelectric conversion devices are gradually applied to the building field, energy is saved, not only energy provided by a power grid system is reduced, but also more self-produced energy is generated, and a large amount of energy is wasted in the processes of energy transmission and energy conversion.
Therefore, it is an important issue in the industry to provide an energy-saving power supply system with a large reduction of energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a not enough energy-conserving power supply system that provides to prior art is applicable to in a building, include: the solar electric energy generating device provides first electric energy and is arranged outside the building; the energy storage device is electrically connected with the solar electric energy generation device and a power grid system and stores the first electric energy; the voltage conversion device is electrically connected with the solar electric energy generation device and the energy storage device; the control device is electrically connected with the voltage conversion device, the solar electric energy generation device and the energy storage device; the plurality of direct current voltage ports are arranged at a plurality of positions of the energy-saving power supply system, and the plurality of direct current voltage ports are electrically connected with the voltage conversion device; the voltage conversion device provides a direct current voltage for the direct current voltage ports; the energy storage device purchases alternating current electric energy from a power grid system through an alternating current-to-direct current voltage converter and a smart meter, converts the alternating current electric energy into direct current electric energy, and stores the direct current electric energy in the energy storage device.
Preferably, the voltage conversion device receives a first dc input voltage provided by the energy storage device and a second dc input voltage of the solar power generation device, the voltage conversion device converts the first dc input voltage or the second dc input voltage into a first dc output voltage, and the voltage conversion device provides the first dc output voltage to the plurality of dc voltage ports.
Preferably, the device further comprises a first communication device electrically connected to the control device.
Preferably, when a first electronic device is electrically connected to one of the dc voltage ports, the first electronic device is electrically connected to one of the dc voltage ports through a first dc-to-dc voltage converter, and the first dc-to-dc voltage converter converts the first dc output voltage into a first supply voltage of the first electronic device; when a second electronic device is electrically connected to one of the plurality of dc voltage ports, the second electronic device is electrically connected to one of the plurality of dc voltage ports through a second dc-to-dc voltage converter, and the second dc-to-dc voltage converter converts the first dc output voltage into a second supply voltage of the second electronic device.
Preferably, when a first electronic device and a second electronic device are electrically connected to two of the plurality of dc voltage ports, the control device and the voltage conversion device respectively provide a first supply voltage and a second supply voltage required by the first electronic device and the second electronic device.
Preferably, the voltage conversion device includes a plurality of voltage conversion units, and the voltage conversion units are respectively electrically connected to the plurality of dc voltage ports.
Preferably, the energy-saving power supply system is in communication connection with a smart meter of another energy-saving power supply system through the smart meter, and purchases and sells a direct-current electric energy, and a distance between the energy storage device of the energy-saving power supply system and an energy storage device of the another energy-saving power supply system is smaller than a predetermined distance.
Preferably, a wired communication path is included among the control device, the voltage conversion device and the plurality of dc voltage ports, and when the first electronic device is electrically connected to one of the plurality of dc voltage ports and the first electronic device passes through one of the plurality of dc voltage ports, the first electronic device performs data transmission through the control device and the communication device.
Preferably, when a wireless communication device and a first electronic device are electrically connected to two of the plurality of dc voltage ports, the wireless communication device is communicatively connected to the control device, and the first electronic device can perform data transmission through the control device and the wireless communication device.
Preferably, when a first electronic device is electrically connected to two of the plurality of dc voltage ports through a second electronic device, the first electronic device and the second electronic device are communicatively connected to the control device, and the first electronic device and the second electronic device perform data transmission through the control device.
The utility model discloses an one of them beneficial effect lies in, the utility model provides an energy-conserving power supply system only provides DC voltage's port, can effectual reduction convert AC voltage into DC voltage's energy loss, more can improve the power consumption safety.
For a further understanding of the nature and technical content of the present invention, reference should be made to the following detailed description and accompanying drawings, which are provided for reference and illustration purposes only and are not intended to limit the invention.
Drawings
Fig. 1 is a schematic diagram of an energy-saving power supply system according to an embodiment of the present invention.
Fig. 2 is a block diagram of the energy saving power supply system of fig. 1.
Fig. 3 is a schematic diagram of a voltage conversion method of the voltage conversion device of the energy-saving power supply system according to the embodiment of the present invention.
Fig. 4 is another schematic diagram of a voltage conversion method of the voltage conversion device of the energy-saving power supply system according to the embodiment of the present invention.
Fig. 5 is a schematic diagram of electric energy buying and selling among a plurality of energy-saving power supply systems according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a communication mode of an electronic device in an energy-saving power supply system according to an embodiment of the present invention.
Detailed Description
The following is a description of the embodiments of the "energy saving power supply system" disclosed in the present invention by specific embodiments, and those skilled in the art can understand the advantages and effects of the present invention from the disclosure of the present specification. The utility model discloses the concrete embodiment of accessible other differences is implemented or is used, and each item detail in this specification also can be based on different viewpoints and application, does not deviate from the utility model discloses a carry out various modifications and changes under the design. The drawings of the present invention are merely schematic illustrations, and are not drawn to scale, but are described in advance. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.
[ first embodiment ]
Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of an energy-saving power supply system according to an embodiment of the present invention. Fig. 2 is a block diagram of the energy saving power supply system of fig. 1.
The zero-energy-consumption building refers to a building with self-sufficient electric power. That is, the building itself includes an electric energy generating device and an energy storage device, which can generate and store the electric energy daily required by the user. The ideal situation for an energy efficient power supply system is not to purchase any power from the grid system. Most energy saving power supply systems still require a certain amount of power to be purchased from the grid system to support the daily power consumption of the users.
In the present embodiment, the energy-saving power supply system 1 is provided in a building. The energy-saving power supply system 1 comprises a control device 10, a solar electric energy generating device 11, an energy storage device 12, a voltage conversion device 13, a communication device 14, and a plurality of direct current voltage ports 15-1-15-3. In this embodiment, the energy-saving power supply system 1 includes a first dc voltage port 15-1, a second dc voltage port 15-2, and a third dc voltage port 15-3. The quantity of direct current voltage port can be adjusted according to the actual demand, the utility model discloses in do not limit. The solar power generation device 11 is disposed outside the building. The energy storage device 12 is located inside or outside the building.
The solar electric energy generating device 11 is arranged outside the energy-saving power supply system 1, receives solar energy, and converts the solar energy into direct-current electric energy. That is, the solar electric energy generating device 11 provides the energy-saving power supply system 1 with a first electric energy. The solar electric energy generating device 11 is electrically connected to the energy storage device 12, the control device 10 and the voltage converting device 13. The communication device 14 in this embodiment is a wireless communication device or a wired communication device.
The energy storage device 12 is electrically connected to the solar electric energy generation device 11 and the grid system 2. The energy storage device 12 is used for storing the first electric energy generated by the solar electric energy generation device 11. In addition, the solar electric energy generation device 11 can also perform voltage stabilization and conversion through the voltage conversion device 13 and provide the voltage to the plurality of direct current voltage ports 15-1-15-3. The energy storage device 12 is used for storing the first electric energy of the solar electric energy generating device 11 and providing a second electric energy to the voltage converting device 13.
The voltage conversion device 13 is electrically connected to the solar electric energy generation device 11, the energy storage device 12 and the control device 10. The voltage conversion device 13 is used for converting the first electric energy of the solar electric energy generation device 11 and the second electric energy of the energy storage device 12 into a direct current electric energy to be provided to the plurality of direct current voltage ports 15-1-15-3.
The control device 10 is electrically connected to the voltage conversion device 13, the solar electric energy generation device 11 and the energy storage device 12. The control device 10 is used for regulating and controlling the electric energy transmission state among the voltage conversion device 13, the solar electric energy generation device 11 and the energy storage device 12.
The plurality of dc voltage ports 15-1-15-3 are disposed at a plurality of locations of the energy efficient power supply system 1. The plurality of direct current voltage ports 15-1-15-3 are electrically connected with the voltage conversion device 13. The voltage converting means 13 provides a plurality of dc voltage ports 15-1-15-3-dc voltage. The energy-saving power supply system 1 does not have any ac voltage port.
In this embodiment, the energy-saving power supply system 1 further includes an intelligent electric meter 16 and an ac-to-dc voltage converter 17. The smart meter 16 is electrically connected to the ac-to-dc converter 17 and the control device 10.
In detail, the energy-saving power supply system 1 transmits a dc voltage, not an ac voltage. The circuit topology in the energy saving power supply system 1 may however have several situations.
Referring to fig. 3, fig. 3 is a schematic diagram of a voltage conversion method of a voltage conversion device of an energy-saving power supply system according to an embodiment of the present invention.
The voltage conversion device 13 receives a second dc input voltage VDIN2 of the second electric energy provided by the energy storage device 12 and a first dc input voltage VDIN1 of the first electric energy of the solar electric energy generation device 11. The voltage conversion device 13 can convert the first dc input voltage VDIN1 and the second dc input voltage VDIN2 into a first dc output voltage VDO 1. The voltage conversion device 13 provides a first dc output voltage VDO1 to the plurality of dc voltage ports 15-1-15-3.
That is, the first DC voltage port 15-1, the second DC voltage port 15-2, and the third DC voltage port 15-3 of FIG. 3 all provide the first DC output voltage VDO 1. In the present embodiment, the first dc output voltage VDO1 may be 24V, 48V, 380V, 400V, or other voltage values. In other embodiments, the voltage value of the first dc output voltage VDO1 may be adjusted according to actual requirements. In this embodiment, since the first dc voltage port 15-1, the second dc voltage port 15-2 and the third dc voltage port 15-3 all provide the same dc voltage, the electronic device to be charged needs to be voltage-converted by a dc-to-dc voltage converter for converting the dc voltage, so that the electronic device can obtain the proper supply voltage.
In addition, the plurality of voltage converting units (not shown) of the voltage converting apparatus 13 in the present embodiment are designed in a modular manner, so that a user can provide the same voltage in a parallel manner but with a large current power requirement. For example, the energy-saving power supply system 1 provides the electric locomotive M1 with a high-voltage and high-current charging mode.
When a first electronic device ED1 is electrically connected to one of the dc voltage ports 15-1-15-3, the first electronic device ED1 is electrically connected to one of the dc voltage ports 15-1-15-3 through a first dc-to-dc voltage converter CT1, and the first dc-to-dc voltage converter CT1 converts the first dc output voltage VDO1 into a first supply voltage VA1 of the first electronic device ED 1.
When a second electronic device ED2 is electrically connected to one of the dc voltage ports 15-1-15-3, the second electronic device ED2 is electrically connected to one of the dc voltage ports 15-1-15-3 through a dc-to-dc converter CT2, and the second dc-to-dc converter CT2 converts the first dc output voltage VDO1 into a second supply voltage VA2 of the second electronic device ED 2.
That is, the first electronic device ED1 and the second electronic device ED2 can obtain the required first supply voltage VA1 and the required second supply voltage VA2 through the first dc-dc voltage converter CT1 and the second dc-dc voltage converter CT2, respectively. In the present embodiment, the first supply voltage VA1 is not equal to the second supply voltage VA 2. In other embodiments, the first supply voltage VA1 may be equal to the second supply voltage VA 2.
Referring to fig. 4, fig. 4 is another schematic diagram of a voltage conversion method of a voltage conversion device of an energy-saving power supply system according to an embodiment of the present invention.
When the first electronic device ED1 and the second electronic device ED2 are electrically connected to two of the dc voltage ports 15-1-15-3, the control device 10 controls the voltage conversion device 13 to provide a first supply voltage VA1 and a second supply voltage VA2 required by the first electronic device ED1 and the second electronic device ED2, respectively. That is, in fig. 4, the control device 10 and the voltage conversion device 13 may be communicatively connected to the first electronic device ED1 and the second electronic device ED2 to determine the voltages required by the first electronic device ED1 and the second electronic device ED2, respectively. The control device 10 further regulates a voltage converting unit (not shown) of the voltage converting device 13 to provide a first supply voltage VA1 and a second supply voltage VA2 to the first electronic device ED1 and the second electronic device ED 2. That is, the first electronic device ED1 and the second electronic device ED2 only need to be electrically connected to the dc voltage ports 15-1-15-3, and the control device 10 controls the voltage converting device 13 to provide a plurality of voltages to a plurality of electronic devices. A direct current to direct current voltage converter is not needed to be arranged in the middle for voltage conversion.
In the present embodiment, a plurality of voltage converting units (not shown) of the voltage converting device 13 can provide a dc voltage within a predetermined voltage output range. Such as DC12V-DC 400V. The energy storage device is a lithium ion battery or a lithium manganese battery.
In addition, a plurality of voltage conversion units (not shown) of the voltage conversion device 13 are electrically connected to at least one dc voltage port.
Referring to fig. 5, fig. 5 is a schematic diagram of electric energy buying and selling among a plurality of energy-saving power supply systems according to an embodiment of the present invention.
The energy-saving power supply system 1 and the energy-saving power supply system 2 are different floors in the same building.
The energy-saving power supply system 1 is electrically connected with the smart meter 26 of the second energy-saving power supply system 2 through the smart meter 16. The purchase and sale of the dc power may be made between the smartmeter 16 and the smartmeter 26. That is, the smart meter 16 and the smart meter 26 may regulate the second power of the respective energy storage devices. However, the distance between the energy storage device 12 of the energy saving power supply system 1 and an energy storage device 22 of the energy saving power supply system 2 is less than a predetermined distance. The distance between energy storage device 12 and energy storage device 22 is controlled to reduce the problem of consumption attenuation of direct current power over long distances. The electric energy generated by the solar electric energy generating device 21 of the energy-saving power supply system 2 is also stored in the energy storage device 22.
First, the smart meters 16 and 26 may sell the second electric energy in the respective energy storage devices. When the remaining power of the energy storage device 12 is less than a first threshold value and the time is at night, the first power of the solar power generation device 11 is 0, the smart meter 16 sends a purchase signal to the peripheral smart meters, and when the smart meter 26 of the energy-saving power supply system 2 receives the purchase signal and confirms that the power of the energy storage device 22 is sufficient for the user to use, the smart meter 26 may also perform vending, and the smart meter 26 sends a confirmation signal to the smart meter 16 to vend a predetermined amount of power.
Referring to fig. 6, fig. 6 is a schematic diagram illustrating a communication mode of an electronic device in an energy-saving power supply system according to an embodiment of the present invention.
The control device 10, the voltage conversion device 13, and the plurality of dc voltage ports 15-1-15-3 include a wired communication path therebetween.
When the first electronic device ED1 is electrically connected to one of the dc voltage ports 15-1-15-3, and the first electronic device ED1 passes through one of the dc voltage ports 15-1-15-3, the first electronic device ED1 performs data transmission through the control device 10 and the communication device 14.
When a wireless communication device 18 and the first electronic device ED1 are electrically connected to two of the dc voltage ports 15-1-15-3, the wireless communication device 18 is communicatively connected to the control device 10, and the first electronic device ED1 can perform data transmission through the control device 10 and the wireless communication device 18. In the present embodiment, the wireless communication device 18 is a Wi-Fi communication device, a bluetooth communication device, a Sigfox communication device, a LoRa communication device, a 4G communication device, a 5G communication device, or an NB-IoT communication device.
When the first electronic device ED1 and the second electronic device ED2 are electrically connected to two of the plurality of dc voltage ports 15-1-15-3, the first electronic device ED1 and the second electronic device ED2 are communicatively connected to the control device 10, and the first electronic device ED1 and the second electronic device ED2 perform data transmission through the control device 10.
That is, the electronic devices may be communicatively coupled to each other by simply connecting the DC voltage ports 15-1-15-3. Furthermore, different communication devices can be used to perform communication connection with the external network.
[ advantageous effects of the embodiments ]
The utility model discloses an one of them beneficial effect lies in, the utility model provides an energy-conserving power supply system only provides DC voltage's port, can effectual reduction convert AC voltage into DC voltage's energy loss, more can improve the power consumption safety.
The above disclosure is only a preferred and practical embodiment of the present invention, and is not intended to limit the scope of the claims of the present invention, so that all the modifications of the equivalent technology made by the contents of the specification and the drawings are included in the scope of the claims of the present invention.
Claims (10)
1. An energy saving power supply system for use in a building, comprising:
the solar electric energy generating device provides first electric energy and is arranged outside the building;
the energy storage device is electrically connected with the solar electric energy generation device and a power grid system and stores the first electric energy;
the voltage conversion device is electrically connected with the solar electric energy generation device and the energy storage device;
the control device is electrically connected with the voltage conversion device, the solar electric energy generation device and the energy storage device;
the plurality of direct current voltage ports are arranged at a plurality of positions of the energy-saving power supply system, and the plurality of direct current voltage ports are electrically connected with the voltage conversion device;
the voltage conversion device provides a direct current voltage for the direct current voltage ports;
the energy storage device purchases alternating current electric energy from a power grid system through an alternating current-to-direct current voltage converter and a smart meter, converts the alternating current electric energy into direct current electric energy, and stores the direct current electric energy in the energy storage device.
2. The energy-saving power supply system according to claim 1, wherein the voltage conversion device receives a first dc input voltage provided by the energy storage device and a second dc input voltage of the solar power generation device, the voltage conversion device converts the first dc input voltage or the second dc input voltage into a first dc output voltage, and the voltage conversion device provides the first dc output voltage to the dc voltage ports.
3. The energy saving power supply system of claim 2 further comprising a communication device electrically connected to said control device.
4. The energy saving power supply system of claim 3 wherein when a first electronic device is electrically connected to one of the plurality of DC voltage ports, the first electronic device is electrically connected to one of the plurality of DC voltage ports through a first DC-to-DC voltage converter, the first DC-to-DC voltage converter converting the first DC output voltage to a first supply voltage of the first electronic device;
when a second electronic device is electrically connected to one of the plurality of dc voltage ports, the second electronic device is electrically connected to one of the plurality of dc voltage ports through a second dc-to-dc voltage converter, and the second dc-to-dc voltage converter converts the first dc output voltage into a second supply voltage of the second electronic device.
5. The energy-saving power supply system according to claim 1, wherein when a first electronic device and a second electronic device are electrically connected to two of the dc voltage ports, the control device and the voltage conversion device respectively provide a first supply voltage and a second supply voltage required by the first electronic device and the second electronic device.
6. The energy-saving power supply system according to claim 5, wherein the voltage conversion device comprises a plurality of voltage conversion units, and the plurality of voltage conversion units are respectively electrically connected to the plurality of DC voltage ports.
7. The energy-saving power supply system according to claim 1, wherein the energy-saving power supply system is communicatively connected with a smart meter of another energy-saving power supply system through the smart meter, and purchases and sells a direct current electric energy, and a distance between the energy storage device of the energy-saving power supply system and an energy storage device of the another energy-saving power supply system is less than a predetermined distance.
8. The energy saving power supply system of claim 4 wherein the control device, the voltage conversion device and the plurality of DC voltage ports comprise a wired communication path therebetween, and when the first electronic device is electrically connected to one of the plurality of DC voltage ports and the first electronic device passes through one of the plurality of DC voltage ports, the first electronic device performs data transmission through the control device and the communication device.
9. The energy-saving power supply system according to claim 1, wherein when a wireless communication device and a first electronic device are electrically connected to two of the plurality of dc voltage ports, the wireless communication device is communicatively connected to the control device, and the first electronic device can perform data transmission through the control device and the wireless communication device.
10. The energy-saving power supply system according to claim 1, wherein when a first electronic device is electrically connected to two of the plurality of dc voltage ports through a second electronic device, the first electronic device and the second electronic device are communicatively connected to the control device, and the first electronic device and the second electronic device perform data transmission through the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221720.1U CN212811295U (en) | 2020-02-27 | 2020-02-27 | Energy-saving power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221720.1U CN212811295U (en) | 2020-02-27 | 2020-02-27 | Energy-saving power supply system |
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| Publication Number | Publication Date |
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| CN212811295U true CN212811295U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020221720.1U Expired - Fee Related CN212811295U (en) | 2020-02-27 | 2020-02-27 | Energy-saving power supply system |
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|---|---|
| CN (1) | CN212811295U (en) |
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2020
- 2020-02-27 CN CN202020221720.1U patent/CN212811295U/en not_active Expired - Fee Related
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