CN220785462U - Power supply system and carrying device - Google Patents
Power supply system and carrying device Download PDFInfo
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- CN220785462U CN220785462U CN202321376012.5U CN202321376012U CN220785462U CN 220785462 U CN220785462 U CN 220785462U CN 202321376012 U CN202321376012 U CN 202321376012U CN 220785462 U CN220785462 U CN 220785462U
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- 238000004146 energy storage Methods 0.000 claims abstract description 99
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 238000010248 power generation Methods 0.000 claims abstract description 23
- 238000002955 isolation Methods 0.000 claims description 14
- 230000009466 transformation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The present disclosure relates to a power supply system and a carrying device, the power supply system comprising: the device comprises an energy storage device, a power generation device, a driving device and a conversion device; the energy storage device, the power generation device and the conversion device are connected in parallel, and the conversion device is connected with the driving device; the energy storage device comprises a plurality of energy storage circuit groups which are connected in parallel, each energy storage circuit group comprises at least one energy storage circuit, and the plurality of energy storage circuits are connected in series under the condition that the number of the energy storage circuits is multiple so as to increase the applicability of the power supply system.
Description
Technical Field
The present disclosure relates to the field of energy storage, and, in particular, to a power supply system and a carrying device.
Background
At present, in the transportation industry of transportation, more and more vehicles such as vehicles and ships are applying electric power driving technology, accordingly, research into energy storage technology of vehicles is also continuously advancing.
The related art provides electric energy storage and release for the carrying device through the energy storage system directly arranged on the carrying device, but the energy storage system can only be adapted to the carrying device and cannot be applied to other carrying devices, so the applicability of the energy storage system is low.
Disclosure of Invention
In order to overcome the problems in the related art, the present disclosure provides a power supply system.
According to a first aspect of embodiments of the present disclosure, there is provided a power supply system including: the device comprises an energy storage device, a power generation device, a driving device and a conversion device; the energy storage device, the power generation device and the conversion device are connected in parallel, and the conversion device is connected with the driving device; the energy storage device comprises a plurality of energy storage circuit groups which are connected in parallel, each energy storage circuit group comprises at least one energy storage circuit, and the plurality of energy storage circuits are connected in series under the condition that the number of the energy storage circuits is multiple.
Optionally, the tank circuit includes: the energy storage device comprises a current transformation circuit, a DC-DC isolation circuit and an energy storage unit, wherein the current transformation circuit, the DC-DC isolation circuit and the energy storage unit are connected in series.
Optionally, the converter circuit is used for converting direct current output by the DC-DC isolation circuit into alternating current; and converting the alternating current output by the power generation device and the driving device into direct current.
Optionally, the DC-DC isolation circuit is configured to perform voltage conversion on the direct current output by the energy storage unit, so that the converted voltage can be used by the converter circuit to perform conversion between the direct current and the alternating current; and voltage conversion is carried out on direct current output by the power generation device and the power device through the current conversion circuit, so that the converted voltage can be used for charging the energy storage unit.
Optionally, the energy storage unit includes a plurality of storage batteries connected in series.
Optionally, the power generation device provides electric energy for the energy storage device; the energy storage device stores the electric energy provided by the power generation device and provides the electric energy for the driving device through the conversion device.
Optionally, the driving device outputs electric energy to the energy storage device through the conversion device, and the energy storage device stores electric energy after the conversion device converts the electric energy.
Optionally, the conversion device comprises a rectifier and a transformer, wherein the rectifier is connected with the energy storage device and is connected with the driving device through the transformer;
the rectifier is used for converting the alternating current into direct current when the alternating current passes through the rectifier and converting the direct current into alternating current when the direct current passes through the rectifier;
the transformer is used for converting the voltage of the current under the condition that the current passes through the transformer so as to output the converted voltage to the driving device.
Alternatively, the process may be carried out in a single-stage, the power supply system further includes: the power distribution device and the electrical equipment are connected with the energy storage device respectively, and the energy storage device is used for providing electric energy for the power distribution device and the electrical equipment.
According to a second aspect of embodiments of the present disclosure, there is provided a carrying device carrying the power supply system according to the first aspect of the present disclosure.
Through above-mentioned technical scheme, this power supply system includes: the device comprises an energy storage device, a power generation device, a driving device and a conversion device; the energy storage device, the power generation device and the conversion device are connected in parallel, and the conversion device is connected with the driving device; the energy storage device comprises a plurality of energy storage circuit groups which are connected in parallel, each energy storage circuit group comprises at least one energy storage circuit, and the plurality of energy storage circuits are connected in series under the condition that the number of the energy storage circuits is multiple. Therefore, the voltage of the power supply system can be adjusted through the number of circuits in series of the energy storage circuits due to the fact that the energy storage circuits in the power supply system are connected in series, so that the power supply system can be adapted to different carrying devices, and the applicability of the power supply system is improved.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
fig. 1 is a schematic diagram showing a structure of a power supply system according to an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating a structure of another power supply system according to an exemplary embodiment.
Fig. 3 is a schematic structural view of a third power supply system according to an exemplary embodiment.
Fig. 4 is a schematic view of a structure of a carrying apparatus according to an exemplary embodiment.
Detailed Description
Specific embodiments of the present disclosure will be described in detail herein with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments. Related definitions of other terms will be given in the description below.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.
The present disclosure is described below in connection with specific embodiments.
In the related art, the power supply system is loaded on the carrying device to supply electric energy, however, the voltage of the power supply system is fixedly configured according to the voltage requirement of the carrying device, and cannot be flexibly adjusted, that is, the power supply system matched with the carrying device can only be used on the carrying device, and cannot be used on other carrying devices.
In order to solve the above-mentioned problem, the present disclosure proposes a power supply system and a carrying device, where the voltage of the power supply system can be adjusted by the number of circuits in series with the tank circuits, so that the power supply system can adapt to different carrying devices, and the applicability of the power supply system is increased.
Fig. 1 is a block diagram of a power supply system according to an embodiment of the present disclosure, and as shown in fig. 1, the system includes an energy storage device 101, a power generation device 104, a driving device 103, and a conversion device 102; wherein the energy storage device 101, the power generation device 104 and the conversion device 102 are connected in parallel, and the conversion device 102 is connected with the driving device 103;
the energy storage device comprises a plurality of energy storage circuit groups which are connected in parallel, each energy storage circuit group comprises at least one energy storage circuit, and the plurality of energy storage circuits are connected in series when the number of the energy storage circuits is multiple.
Through the power supply system, the voltage of the power supply system can be adjusted through the number of circuits connected in series through the energy storage circuit, so that the power supply system can be adapted to different carrying devices, and the applicability of the power supply system is improved.
In some embodiments, the tank circuit set D10 may be connected in a three-phase circuit, and output according to the principles of a three-phase ac circuit in the related art to provide power to the driving device 103. The connection manner of the three-phase ac circuit may refer to a manner in the related art, and will not be described herein.
Fig. 2 is a block diagram of the tank circuit D11 shown according to an exemplary embodiment, and the tank circuit D11 may include: the energy storage device comprises a current converting circuit D12, a DC-DC isolation circuit D13 and an energy storage unit D14, wherein the current converting circuit D12, the DC-DC isolation circuit D13 and the energy storage unit D14 are connected in series.
For example, the converter circuit D12 may be composed of four transistors (H1, H2, H3, H4), in which only a group of transistor circuits that are diagonally distributed at the same time are turned on (for example, a combination of H1 and H3 or a combination of H2 and H4), so that a function of converting a current from direct current to alternating current or from alternating current to direct current can be achieved. The converter circuit D12 is configured to convert the direct current output by the DC-DC isolation circuit D13 into alternating current; and converting the alternating current outputted from the power generation device 104 and the driving device 103 into direct current.
The DC-DC isolation circuit D13 is configured to perform voltage conversion on the direct current output by the energy storage device 101, so that the converted voltage can be used for the conversion between the direct current and the alternating current by the converter circuit D12; and voltage-converting the direct current output from the power generation device 104 and the driving device 103 through the converter circuit D12 so that the converted voltage can be used for charging the energy storage unit D14.
The DC-DC isolation circuit D13 is composed of, for example, two sets of switching power supply circuits and a winding coil circuit. The switching power supply circuit realizes the current conversion from direct current to alternating current to direct current, and cooperates with the winding coil circuit to realize the voltage rise and fall. In this way, the DC-DC isolation circuit D13 may perform voltage conversion on the direct current passing therethrough and output the converted direct current to the converter circuit D12 or the energy storage unit D14; in addition, the winding coil circuit in the circuit can convert the voltage, so that an insulation circuit is not needed to be additionally provided for the energy storage unit D14, and the safety of the energy storage unit D14 is improved.
In some embodiments, the energy storage unit D14 may include a plurality of storage batteries connected in series therebetween. In this way, the voltage of each energy storage unit D14 can be flexibly configured by connecting different numbers of storage batteries in series, so that the adjustment of the voltage of the three-phase alternating current circuit is realized to adapt to the voltage requirements of different types of carrying equipment.
Fig. 3 is a block diagram of a conversion device 102 according to an exemplary embodiment, the conversion device 102 may include a rectifier D15 and a transformer D16, the rectifier D15 being connected to the energy storage device 101 and to the driving device 103 through the transformer D16;
the rectifier D15 is configured to convert the alternating current into direct current when the alternating current passes therethrough, and convert the direct current into alternating current when the direct current passes therethrough;
the transformer D16 is configured to convert a voltage of a current when the current passes therethrough, and output the converted voltage to the driving device 103.
Illustratively, the rectifier D15 and the transformer D16 are both configured as a bi-directional adjustable mechanism, namely: in the case of input current, the input three-phase alternating current may be converted and the converted current may be output to the driving device 103, so as to provide electric energy for the driving device 103, or the electric energy recovered by the driving device 103 due to the deceleration of the carrying device may be converted into three-phase alternating current and output to the energy storage device 101, so that the energy storage device stores electric energy.
In some embodiments, the power generation device 104 provides electrical energy to the energy storage device 101; the energy storage device 101 stores the electric energy provided by the power generation device 104 and provides the electric energy to the driving device 103 through the conversion device 102.
In this embodiment, on the one hand, for the case that the energy storage device is deficient in power, the power generating device 104 may input the generated electric energy into the energy storage device, the energy storage device stores the electric energy provided by the power generating device 104, the power generating device 104 may be a photovoltaic power generating device, the photovoltaic power generating device may be capable of converting the light energy of the external environment into the electric energy, the power generating device 104 may also be a wind power generating device, and the wind power generating device may be any other power generating device, which is not limited in this disclosure. On the other hand, the conversion device 102 can convert the current output by the energy storage device 101 from ac high voltage to ac low voltage, and provide the driving device 103 with electric energy through the converted current, where the driving device 103 may be a device for driving the carrying device where the power supply system 100 is located to operate, and for example, the driving device may include a three-phase permanent magnet motor and a ventilator, a blade, and the like matched with the three-phase permanent magnet motor.
In some possible implementations, in case of a power loss of the energy storage device 101, the electric energy generated by the power generation device 104 may also be directly supplied to the driving device 103 through the conversion device 102.
In some embodiments, the driving device 103 may output the electric energy to the energy storage device 101 through the conversion device 102, and the energy storage device 101 stores the electric energy converted by the conversion device 102.
Optionally, the power supply system 100 further includes: a power distribution device and an electrical device, the energy storage device 101 being connected to the power distribution device and the electrical device, respectively, the energy storage device 101 being adapted to provide electrical energy to the power distribution device and the electrical device.
The power distribution device may be, for example, a power distribution box or a power distribution conditioning system of the carrying apparatus for conditioning of the circuit functions and performances with which the carrying apparatus is equipped.
Through the configuration, the power supply system can be conveniently connected to various carrying devices, and can provide or recover energy for the carrying devices at any time, so that energy is saved, and the energy utilization efficiency is improved.
Fig. 4 is a block diagram showing a structure of a carrier device 200 equipped with the power supply system 100 according to an exemplary embodiment. As shown in fig. 4, the carrying device 200 may comprise a power supply system as shown in any of the above-described fig. 1 to 3.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (9)
1. A power supply system, comprising: the device comprises an energy storage device, a power generation device, a driving device and a conversion device; the energy storage device, the power generation device and the conversion device are connected in parallel, and the conversion device is connected with the driving device;
the energy storage device comprises a plurality of energy storage circuit groups which are connected in parallel, each energy storage circuit group comprises a plurality of energy storage circuits, and the plurality of energy storage circuits are connected in series when the number of the energy storage circuits is multiple;
the tank circuit includes: the energy storage device comprises a current transformation circuit, a DC-DC isolation circuit and an energy storage unit, wherein the current transformation circuit, the DC-DC isolation circuit and the energy storage unit are connected in series.
2. The power supply system according to claim 1, wherein the converter circuit is configured to convert direct current output from the DC-DC isolation circuit into alternating current; and converting the alternating current output by the power generation device and the driving device into direct current.
3. The power supply system according to claim 2, wherein the DC-DC isolation circuit is configured to perform voltage conversion on the direct current output from the energy storage unit, so that the converted voltage can be used for the conversion between the direct current and the alternating current by the converter circuit; and voltage conversion is carried out on direct current output by the power generation device and the power device through the current conversion circuit, so that the converted voltage can be used for charging the energy storage unit.
4. The power supply system according to claim 1, wherein the energy storage unit includes a plurality of storage batteries connected in series therebetween.
5. The power supply system of claim 1, wherein the power generation device provides electrical energy to the energy storage device; the energy storage device stores the electric energy provided by the power generation device and provides the electric energy for the driving device through the conversion device.
6. The power supply system according to claim 1, wherein the driving device outputs electric energy to the energy storage device through the conversion device, and the energy storage device stores electric energy converted from the electric energy by the conversion device.
7. The power supply system according to claim 1, wherein the conversion means comprises a rectifier and a transformer, the rectifier being connected to the energy storage means and to the drive means via the transformer;
the rectifier is used for converting the alternating current into direct current when the alternating current passes through the rectifier and converting the direct current into alternating current when the direct current passes through the rectifier;
the transformer is used for converting the voltage of the current under the condition that the current passes through the transformer so as to output the converted voltage to the driving device.
8. The power supply system according to any one of claims 1 to 7, characterized in that the power supply system further comprises: the power distribution device and the electrical equipment are connected with the energy storage device respectively, and the energy storage device is used for providing electric energy for the power distribution device and the electrical equipment.
9. A carrying device comprising the power supply system of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376012.5U CN220785462U (en) | 2023-05-31 | 2023-05-31 | Power supply system and carrying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376012.5U CN220785462U (en) | 2023-05-31 | 2023-05-31 | Power supply system and carrying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220785462U true CN220785462U (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321376012.5U Active CN220785462U (en) | 2023-05-31 | 2023-05-31 | Power supply system and carrying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220785462U (en) |
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2023
- 2023-05-31 CN CN202321376012.5U patent/CN220785462U/en active Active
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