CN210577953U - Combined energy storage power station - Google Patents
Combined energy storage power station Download PDFInfo
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- CN210577953U CN210577953U CN201921523163.2U CN201921523163U CN210577953U CN 210577953 U CN210577953 U CN 210577953U CN 201921523163 U CN201921523163 U CN 201921523163U CN 210577953 U CN210577953 U CN 210577953U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 39
- 238000010586 diagram Methods 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a modular energy storage power station, it includes: the inverter power supply comprises a first inverter and a built-in battery pack electrically connected with the first inverter; a second inverter including a power input interface adapted to couple an additional independent tool battery pack to the second inverter; and the coupler is suitable for being respectively connected with the electric energy output ends of the inverter power supply and the second inverter so as to enable the alternating-current voltages output by the inverter power supply and the second inverter to be connected in parallel, increase the output power and output the increased output power through the output port of the coupler. The combined energy storage power station of the technical scheme can increase the output power and prolong the electric energy output time.
Description
Technical Field
The utility model relates to an energy storage power station, especially a modular energy storage power station belongs to energy storage technical field.
Background
The energy storage power station mainly comprises a built-in storage battery, an inverter and an electric control system, the storage battery can be charged by commercial power, solar energy or a generator, the inverter can convert direct current of the storage battery into alternating current for various electric appliances, and a direct current output interface with various voltages can be configured. Portable energy storage power stations have a wide range of applications, for example: the emergency power supply for families or units, field operation, emergency power utilization, disaster relief, outdoor life and travel, the self-contained power supply for yachts and vehicles, a mobile communication base station and the like. However, the energy storage power stations on the market have single structural functions and limited battery capacity, and after the battery capacity is consumed, the power cannot be continuously supplied to the electric equipment.
In order to expand the capacity of the energy storage power station, the conventional method is to increase the total capacity of the energy storage power station by connecting a plurality of battery packs and overlapping the plurality of battery packs, but in this way, the battery pack with high voltage often charges the battery pack with low voltage, so that the power supply effect of the power supply is poor, and unnecessary electric energy waste is increased. Furthermore, in some cases, for some high-power electric devices, the output power of a single energy storage power station cannot meet the requirements of the electric devices, and the energy storage power station with higher power needs to be provided to meet the use requirements.
In order to overcome the above disadvantages of the existing energy storage power station, a combined energy storage power station with large capacity, large output power and reliable output electric energy needs to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can increase output to prolong electric energy output time's combination formula energy storage power station.
The utility model provides a pair of modular energy storage power station, it includes:
-an inverter power supply comprising a first inverter and an internal battery pack electrically connected to the first inverter;
-a second inverter comprising a power input interface adapted to couple an additional independent tool battery pack to the second inverter;
a coupler adapted to connect the power output terminals of the inverter power supply and the second inverter, respectively, so as to connect the ac voltages output by the two inverters in parallel, increase the output power and output the increased output power through an output port of the coupler.
Furthermore, the coupler is arranged in the inverter power supply and is connected with the electric energy output end of the inverter power supply; the connector is also provided with a connecting terminal which is suitable for externally connecting an electric energy output interface of the second inverter.
Further, the coupler is configured as a separate module independent from the inverter power source and the second inverter.
Further, the tool battery pack is adapted for common use with electric tools and/or electric garden tools and/or power mobile working machines.
Further, at least one electric energy input interface is arranged and is suitable for configuring the tool battery packs in a one-to-one correspondence mode; the tool battery packs are connected in parallel with each other to the second inverter.
Further, the specification voltages adopted by the tool battery packs are the same as each other.
Furthermore, a parallel module circuit suitable for preventing reverse charging is arranged in the electric energy input interface.
Furthermore, the parallel module circuit comprises a linkage control switch; the linkage control switch comprises a plurality of switches, and each electric energy input interface is connected with one switch; the device also comprises an identification module and a control module; the identification module may identify a voltage of the tool battery pack; the control module controls the switch to be turned on and off.
Further, the control module controls the tool battery pack to discharge first when the voltage of the tool battery pack is high, and controls the tool battery pack to discharge simultaneously when the voltage of the tool battery pack is balanced.
Further, when one of the tool battery pack and the built-in battery pack is exhausted, the other one of the tool battery pack and the built-in battery pack is independently output, and the output power of the coupler is the output power of the inverter power supply or the output power of the second inverter corresponding to the other one of the tool battery pack and the built-in battery pack.
Compared with the prior art, the utility model discloses combined energy storage power station's beneficial effect is:
(1) first inverter and independent second inverter among the independent invertion power supply in this technical scheme pass through the connector with its parallelly connected alternating voltage of output of electric energy output, so realize the increase of energy storage power station output power, satisfy the high-power user demand of user, and independent invertion power supply contains inversion part and built-in group battery among this technical scheme, can the exclusive use, of course the additional independent instrument battery package of second inverter cooperation also can the exclusive use, and this extra instrument battery package can also satisfy garden tool's use, realize garden tool and outdoor, household power intercommunication, besides, when first inverter among the independent invertion power supply and independent second inverter parallel output, can be through increasing the quantity of extra instrument battery package in order to increase battery capacity, prolong electric energy output time.
(2) In the technical scheme, the connector is arranged in the inverter power supply and is connected with the electric energy output end of the inverter power supply, and when the parallel operation is carried out, the connecting terminal of the connector is connected with the electric energy output interface of the second inverter, so that the parallel operation work is realized, and the parallel operation is simple and compact in structure and convenient to use; of course, the coupler can also be arranged inside the second inverter, and those skilled in the art should understand that the arrangement position of the coupler can be simply changed and still fall within the protection scope of the present technical solution; in addition, the connector can be configured as an independent module, is independent from the inverter power supply and the second inverter, and is respectively connected with the electric energy output ends of the inverter power supply and the second inverter when the connector is used in parallel.
(3) In the technical scheme, a parallel module circuit suitable for preventing reverse charging is arranged in an electric energy input interface of a second inverter, when a plurality of tool battery packs are connected, such as 2 or more than 2 tool battery packs, the parallel module circuit can effectively avoid reverse charging among the tool battery packs, namely, the tool battery packs with high voltage charge the tool battery packs with low voltage, so as to prevent the tool battery packs from being damaged, when the voltage of the connected tool battery packs is detected to be inconsistent, a control module controls the high-voltage discharge in the tool battery packs, and when the voltages of all the tool battery packs reach balance, the control module controls the tool battery packs to discharge simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the structure principle of the concrete embodiment 1 of the utility model is a schematic block diagram;
FIG. 2: the structure principle of the specific embodiment 2 of the utility model is a schematic block diagram;
FIG. 3: the utility model discloses the parallelly connected module circuit diagram of specific embodiment.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a combined energy storage power station includes an inverter power source 100, a second inverter 20, a coupler 40 and a tool battery pack 30;
the inverter power supply 100 comprises a first inverter 10 and a built-in battery pack 11 electrically connected with the first inverter 10, the inverter power supply 100 is used for converting the direct current output of the built-in battery pack 11 into alternating current output, and in the technical scheme of the invention, the inverter power supply 100 can be used independently;
the second inverter 20 comprises a power input interface 21, the power input interface 21 being adapted to connect an additional separate tool battery pack 30 to the second inverter 20;
the coupler 40 is adapted to connect the power output terminals of the inverter power supply 100 and the second inverter 20 respectively to connect the ac voltages output by the two in parallel, increase the output power and output the increased output power through the output port of the coupler 40.
The first inverter 10 and the independent second inverter 20 in the independent inverter power supply 100 output the parallel alternating current voltage of the electric energy output end in parallel through the coupler 40, so the output power of the energy storage power station is increased, the high-power use requirement of a user is met, the independent inverter power supply 100 comprises an inverter part and a built-in battery pack, the inverter can be used independently, the second inverter 20 is matched with the additional independent tool battery pack 30 to be used independently, in addition, the additional tool battery pack 30 can also meet the use requirement of a garden tool, and the garden tool is communicated with the outdoor power utilization and the household power utilization.
In addition, when the first inverter 10 and the second inverter 20 in the independent inverter power source 100 output in parallel, the power output time can be extended by increasing the number of additional tool battery packs 30 to increase the battery capacity.
In addition, it is also noted that: each power station of the combined energy storage power station is also provided with a user interface, the user interface comprises a display screen, a 12V input/output (I/O) port, a Type-C input port and the like, and a part of the I/O ports are configured to provide the electric energy stored in the power station to load equipment (such as a smart phone, a tablet computer, an electronic reader, a computer, a notebook computer, a smart watch and the like); additionally, alternating current ("AC") inverter ports (e.g., with 110V outlet ports, etc.), direct current ("DC") inputs and/or outputs, USB ports, 12V automobile ports, 12V power plug ports (e.g., Anderson Powerpole, etc.), charging ports (e.g., solar panel charging ports, generator charging ports, power charging ports, outlet charging ports, etc.) are also included.
[ example 1 ]
As shown in fig. 1, the coupler 40 is disposed inside the inverter power supply 100 and connected to the power output end of the inverter power supply 100, that is, disposed on the path of the ac output of the first inverter 10; the coupler 40 is further provided with a connection terminal adapted to externally connect the power output interface of the second inverter 20, the connection terminal is connected to the power output interface of the second inverter 20, and the coupler 40 is connected to the ac output path of the second inverter 20, so that the ac voltages output by the two are connected in parallel, the output power is increased, and the parallel ac voltage is output through the output port of the coupler 40.
The coupler 40 is arranged in the inverter power supply 100 and is connected with the electric energy output end of the inverter power supply 100, and when the parallel operation is carried out, the connecting terminal of the coupler 40 is connected with the electric energy output interface of the second inverter 20, so that the parallel operation work is realized, and the parallel operation is simple and compact in structure and convenient to use; of course, the coupler 40 may be disposed inside the second inverter 20, and those skilled in the art will understand that the disposition of the coupler 40 may be simply changed and still be within the protection scope of the present invention.
In addition, above-mentioned tool battery package 30 is suitable for electric tool, power mobile operation machines such as electronic horticulture instrument share, in order to realize the gardens, it is outdoor, household power consumption intercommunication, let garden tool's tool battery package can adapt energy storage power station use, effectively solved the battery capacity in energy storage power station on the one hand that present many home users face not enough, on the other hand, garden tool's tool battery package has the electricity, but by the extravagant use situation of idle, make garden tool's tool battery package can not only satisfy the gardens operation and use, can also satisfy the use of home user energy storage power station.
The electric tool comprises an electric drill, a circular saw and the like, the electric gardening tool comprises a grass trimmer, a blower, a pruner, a chain saw and the like, and the power moving operation machine comprises a snow blower, a mower and the like.
In addition, at least one of the power input interfaces 21 in the above embodiments is provided, and is adapted to configure the tool battery packs 30 in a one-to-one correspondence; the tool battery packs 30 are connected in parallel with each other to the second inverter 20, and the tool battery packs 30 are detachably connected to the power input interface 21, and can be easily detached when the tool battery packs are applied to a garden tool; when the energy storage power station is required to be used in the energy storage power station, the energy storage power station is easily assembled.
In order to facilitate the parallel connection of the tool battery packs 30 to each other, the tool battery packs 30 preferably employ the same specification voltage as each other.
In order to prevent the parallel tool battery packs 30 from being charged with each other, the power input interface 21 is provided with a parallel module circuit adapted to prevent reverse charging.
Specifically, as shown in FIG. 3, the parallel module circuit includes a ganged control switch SW-N; the linkage control switch SW-N comprises a plurality of switches (S1, S2, S3, S4.. SN), and each power input interface 21 is connected with a switch (S1, S2, S3, S4.. SN); the device also comprises an identification module and a control module; the identification module may identify the voltage of the tool battery pack 30; the control module controls the opening and closing of switches (S1, S2, S3, S4.. SN).
The control module controls the first discharge of the tool battery pack 30 when the voltage of the tool battery pack 30 is high, and controls the tool battery packs 30 to discharge simultaneously when the voltage of the tool battery packs 30 is balanced, that is, until the voltages of all the tool battery packs 30 are leveled.
The electric energy input interface 21 of the second inverter 20 is internally provided with a parallel module circuit suitable for preventing reverse charging, when a plurality of tool battery packs 30 are connected, such as 2 or more than 2 tool battery packs, the parallel module circuit can effectively avoid reverse charging between the tool battery packs, namely, the tool battery packs with high voltage charge the tool battery packs with low voltage, so as to prevent the tool battery packs from being damaged, when the voltage of the connected tool battery packs is detected to be inconsistent, the control module controls the tool battery packs to discharge firstly with high voltage, and when the voltages of all the tool battery packs reach balance, the control module controls the tool battery packs to discharge simultaneously.
In addition, it should be noted that: when one of the tool battery pack 30 and the built-in battery pack 11 is exhausted, the other independent output, the coupler 40 output power, is the output power of the inverter power supply 100 or the output power of the second inverter 20 corresponding to the other independent output.
[ example 2 ]
As shown in fig. 2, the present embodiment is basically consistent with the structure and principle of embodiment 1, and is different in that: the coupling 40 is independent of the inverter power supply 100 and the second inverter 20, in a single module configuration; when the parallel operation is performed, the coupler 40 is connected to the power output terminals of the inverter 100 and the second inverter 20, so that the ac voltages output by the two inverters are connected in parallel, the output power is increased, and the parallel ac voltages are output through the output port of the coupler 40.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. A combined energy storage power station, comprising:
-an inverter power supply comprising a first inverter and an internal battery pack electrically connected to the first inverter;
-a second inverter comprising a power input interface adapted to couple an additional independent tool battery pack to the second inverter;
a coupler adapted to connect the power output terminals of the inverter power supply and the second inverter, respectively, so as to connect the ac voltages output by the two inverters in parallel, increase the output power and output the increased output power through an output port of the coupler.
2. The combined energy storage power plant of claim 1, characterized in that: the coupler is arranged in the inverter power supply and is connected with the electric energy output end of the inverter power supply; the connector is also provided with a connecting terminal which is suitable for externally connecting an electric energy output interface of the second inverter.
3. The combined energy storage power plant of claim 1, characterized in that: the coupler is independent of the inverter power source and the second inverter, in a single module configuration.
4. The combined energy storage power plant of claim 1, characterized in that: the tool battery pack is suitable for common use with electric tools and/or electric garden tools and/or power mobile working machines.
5. The combined energy storage power plant of any one of claims 1 to 4, characterized in that: the electric energy input interface is provided with at least one electric energy input interface, and the electric energy input interface is suitable for configuring the tool battery packs in a one-to-one correspondence manner; the tool battery packs are connected in parallel with each other to the second inverter.
6. The combined energy storage power plant of claim 5, characterized in that: the specification voltages adopted by the tool battery packs are the same as each other.
7. The combined energy storage power plant of claim 5, characterized in that: the electric energy input interface is internally provided with a parallel module circuit suitable for preventing reverse charging.
8. The combined energy storage power plant of claim 7, characterized in that: the parallel module circuit comprises a linkage control switch; the linkage control switch comprises a plurality of switches, and each electric energy input interface is connected with one switch; the device also comprises an identification module and a control module; the identification module is adapted to identify a voltage of the tool battery pack; the control module is suitable for controlling the on and off of the switch.
9. The combined energy storage power station of claim 8 wherein the control module controls the first discharge of the tool battery packs that is at a higher voltage and controls the simultaneous discharge of the tool battery packs when the voltage of the tool battery packs are balanced.
10. The combined energy storage power plant of claim 1 or 6 or 7, characterized in that: when one of the tool battery pack and the built-in battery pack is exhausted, the other one of the tool battery pack and the built-in battery pack is independently output, and the output power of the coupler is the output power of the inverter power supply or the output power of the second inverter corresponding to the other one of the tool battery pack and the built-in battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921523163.2U CN210577953U (en) | 2019-09-12 | 2019-09-12 | Combined energy storage power station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921523163.2U CN210577953U (en) | 2019-09-12 | 2019-09-12 | Combined energy storage power station |
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| Publication Number | Publication Date |
|---|---|
| CN210577953U true CN210577953U (en) | 2020-05-19 |
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| CN201921523163.2U Active CN210577953U (en) | 2019-09-12 | 2019-09-12 | Combined energy storage power station |
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|---|---|
| CN (1) | CN210577953U (en) |
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- 2019-09-12 CN CN201921523163.2U patent/CN210577953U/en active Active
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Assignee: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. Assignor: ZHEJIANG QIXIANG TECHNOLOGY CO.,LTD. Contract record no.: X2023330000879 Denomination of utility model: Combined energy storage power station Granted publication date: 20200519 License type: Common License Record date: 20231124 |