CN210517907U - Combined energy storage power station - Google Patents
Combined energy storage power station Download PDFInfo
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- CN210517907U CN210517907U CN201921528414.6U CN201921528414U CN210517907U CN 210517907 U CN210517907 U CN 210517907U CN 201921528414 U CN201921528414 U CN 201921528414U CN 210517907 U CN210517907 U CN 210517907U
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- battery pack
- inverter
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- parallel
- energy storage
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- 238000004146 energy storage Methods 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010413 gardening Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a battery package technical field discloses a modular energy storage power station, including: the inverter power supply comprises a first inverter and a first interface which is electrically connected with the first inverter and is suitable for electric energy input, and the first interface is connected with a battery pack; the second inverter and a second interface which is electrically connected with the second inverter and is suitable for electric energy input; the second inverter is suitable for being connected with the first inverter in parallel so that the alternating voltages output by the first inverter and the second inverter are connected in parallel to output, and therefore the output power of the power station is increased. The utility model has the advantages that the output power of the combined energy storage power station is large, a plurality of tool battery packs can be accessed to discharge simultaneously with the battery pack, the discharge time is long, and the expandability is strong; and the idle tool battery pack of the electric garden tool can play a greater role.
Description
Technical Field
The utility model relates to a battery package technical field especially relates to a modular energy storage power station.
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.
Along with the popularization of electric garden tools, a plurality of electric garden tools are held in the hands of a plurality of users, and only a small part of the time of the electric garden tools of most users is in use, correspondingly, the utilization rate of a tool battery pack in the electric garden tools is also low, and when the electric garden tools are not used, the tool battery pack is also idle.
In order to enlarge the capacity of the energy storage power supply, one 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 common power supply effect 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 supply is not enough to meet the requirements of the electric devices, and an energy storage power station with higher power needs to be provided to meet the use requirements.
To the above-mentioned not enough of current energy storage power existence, need design a capacious, output is big, and scalability is strong, and can get up the modular energy storage power station of the instrument battery package make full use of electronic garden instrument.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art, the utility model aims to solve the technical problem that, provide a capacious, output is big, and scalability is strong, and can be with the combination formula energy storage power station that electric garden instrument's instrument battery package make full use of got up.
The utility model provides a technical scheme that its technical problem adopted is, provides a modular energy storage power station, including:
the inverter power supply comprises a first inverter and a first interface which is electrically connected with the first inverter and suitable for electric energy input, wherein the first interface is connected with a battery pack;
the second inverter and a second interface which is electrically connected with the second inverter and is suitable for electric energy input;
the second inverter is suitable for being connected with the first inverter in parallel so that alternating current voltages output by the first inverter and the second inverter are output in parallel to increase output power of a power station.
Furthermore, the first interface comprises an internal interface and an external interface; the battery pack is connected with the built-in interface and is arranged in the inverter power supply.
Further, the external interface and the second interface are suitable for being connected with a tool battery pack, and the tool battery pack is suitable for being connected with the battery pack in parallel; the tool battery pack and the battery pack keep voltage balanced discharge.
Further, the tool battery pack is adapted for common use with electric tools and/or electric garden tools and/or power mobile working machines.
Furthermore, the first interface and the second interface are both parallel interfaces; the parallel connection port is suitable for connecting the tool battery packs in parallel with each other and the battery pack in parallel.
Further, the tool battery pack also comprises a parallel module circuit which is suitable for preventing mutual charging between the battery pack and the tool battery pack and between the tool battery packs; the parallel interfaces are connected in the parallel module circuit.
Further, the device also comprises an identification module and a control module;
the parallel module circuit comprises switches, and each parallel connection port is connected with one switch;
the identification module is suitable for identifying the voltage of the tool battery pack and the battery pack, the control module can control the switch to be turned on and off, the control module can control the battery pack and the tool battery pack to discharge firstly when the voltage of the battery pack and the voltage of the tool battery pack are balanced, and the control module controls the tool battery pack and the battery pack to discharge simultaneously.
Furthermore, an opening and closing cover plate is movably arranged at the external interface and the second interface and used for controlling the opening and closing of the external interface or the second interface.
The first inverter and the second inverter are connected through the coupler to form parallel connection, and alternating-current voltage obtained by parallel connection of the first inverter and the second inverter is output through the output port.
Further, the coupler is built-in to the inverter power supply, or is external to the inverter power supply.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
1. in the utility model, the first inverter and the second inverter are connected in parallel, so that the output power of the combined energy storage power station is greatly improved; when the first inverter or the second inverter is not enough to meet the requirement of high-power electric equipment, the first inverter and the second inverter are connected in parallel, and the power is increased to meet the requirement of a customer; the arrangement mode is simple and convenient, and the coupler can be switched on or off selectively. The output power of the inverter power supply is increased, so that more use scenes of a user can be more effectively met.
2. In the utility model, the parallel connection port (external) and the parallel connection port can be connected with the tool battery pack, so that the tool battery pack and the battery pack arranged in the inverter power supply are connected in parallel to expand the capacity of the inverter power supply, and the number of the tool battery packs connected in the tool battery pack can be selected according to the length of the discharge time required; the tool battery pack and the battery pack can realize voltage balanced discharge; the battery pack is arranged in the inverter power supply and is generally not detached, so that the situation that a user forgets to carry the battery pack and cannot normally supply power to the electric appliance when going out for operation can be effectively prevented. 3. The utility model discloses in, the idle instrument battery package of holding in the user's hand, can fully exert its effect, avoid the wasting of resources.
4. The utility model discloses in, be provided with the parallelly connected module circuit, group battery and instrument battery package all are connected with the switch, and the voltage of the group battery of distinguishable access and instrument battery package of recognition module controls opening and closing of its switch, makes the one that the voltage is the highest discharge earlier, and the voltage that makes group battery and instrument battery package keep level, and then supplies power for consumer simultaneously; the condition that mutual charging and circulation current formation occur between the battery pack and the tool battery pack or between the tool battery packs can be effectively prevented, and the stable and reliable output electric energy of the combined energy storage power station is ensured.
Drawings
Fig. 1 is a schematic view of a combined energy storage power station of the present invention;
fig. 2 is a schematic diagram of a parallel module circuit.
In the figure:
10. a battery pack;
20. parallel connection ports (built-in);
30. a parallel connection port (external);
40. a tool battery pack;
50. a parallel connection port;
60. a tool battery pack;
70. a parallel module circuit;
700. and (4) switching.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-2, a combined energy storage power plant comprises:
the inverter power supply comprises a first inverter and a first interface which is electrically connected with the first inverter and is suitable for electric energy input, and the first interface is connected with the battery pack 10; the first inverter may convert the dc power of the battery pack 10 into ac power for use by the electric device. Preferably, the first battery pack 10 is embedded in the inverter power supply, so that a situation that a user forgets to carry the battery pack 10 and cannot normally supply power to an electrical appliance when going out for operation can be effectively prevented.
The second inverter and a second interface which is electrically connected with the second inverter and is suitable for electric energy input; the second inverter is suitable for being connected with the first inverter in parallel so that the alternating voltages output by the first inverter and the second inverter are connected in parallel to output, and therefore the output power of the power station is increased.
Specifically, this combination formula energy storage power station includes: a coupler having an output port, the coupler being built into or external to the inverter power supply; the first inverter and the second inverter are connected through a coupler, and alternating-current voltage obtained after the first inverter and the second inverter are connected in parallel is output through an output port of the coupler. It can be understood that when the single output power of the first inverter or the second inverter is not enough to meet the requirement of the high-power electric equipment, the first inverter and the second inverter are connected in parallel through the coupler, so that the output power is increased to meet the requirement of a customer; the arrangement mode is simple and convenient, and the connector can be switched on or off; of course, the coupler can be disconnected, and the single power output of the first inverter or the second inverter is suitable for low-power occasions, so that more use scenes of users can be met more effectively.
Preferably, the first interface comprises an internal interface and an external interface; the battery pack 10 is connected to the built-in interface, and the battery pack 10 is built in the inverter power supply, so that the battery pack 10 does not need to be detached in normal use, and the battery pack 10 is prevented from being forgotten in outgoing operations. Wherein the external interface and the second interface are adapted to connect the tool battery pack 40, and the tool battery pack 40 is adapted to form a parallel connection with the battery pack 10; the tool battery pack 40 can be discharged in voltage equalization with the battery pack 10. Specifically, the number of the external interfaces and the number of the second interfaces are set according to the product function definition, only 1 external interface and only 1 external interface can be set, and certainly, a plurality of external interfaces, such as 2 external interfaces, 3 external interfaces or 4 external interfaces can be set, and a user can reasonably select and purchase energy storage power stations of different models according to the number of all tool battery packs 40 of the user, and meanwhile, the tool battery packs 40 are configured and connected with the input interfaces in a freely detachable mode, so that the user can use the tool battery packs alternately in different use scenes.
The tool battery pack 40 is suitable for being shared by an electric tool and/or an electric gardening tool and/or a power mobile operation machine, so that garden and outdoor communication is realized, the tool battery pack 40 of the garden tool can be adapted to an energy storage power station for use, the condition that the tool battery pack 40 of the garden tool held by a user is idle is effectively exerted, the capacity of the energy storage power station can be further enlarged on the other hand, and the use of the energy storage power station of a family user is met.
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.
Preferably, the first interface and the second interface are both parallel interfaces; as shown in fig. 1, the parallel connection port (internal) 20, the parallel connection port (external) 30 and the parallel connection port 50 are collectively referred to as a parallel connection port, and all of them can adopt the same structure, so as to improve interchangeability between the ports, reduce manufacturing difficulty and cost. The parallel interface is adapted to connect the tool battery packs 40 in parallel with each other and with the battery pack 10, corresponding to the capacity expansion of the inverter power supply.
As shown in fig. 2, the present combined energy storage power station further comprises a parallel module circuit 70 adapted to prevent mutual charging between the battery pack 10 and the tool battery pack 40, and between the tool battery packs 40; the parallel ports are connected in a parallel module circuit 70, and thus, the battery pack 10 and the tool battery pack 40 are connected in the parallel module circuit 70.
The anti-reverse charging principle of the parallel module circuit 70 is described in detail below:
the combined energy storage power station also comprises an identification module and a control module; the parallel 70 module circuit includes a switch 70, and each parallel port is connected to a switch 70.
The identification module is suitable for identifying the voltages of the tool battery pack 40 and the battery pack 10, the control module can control the switch 700 to be turned on and off, the control module can control the battery pack 10 and the tool battery pack 40 to discharge firstly when the voltages of the battery pack 10 and the tool battery pack 40 are balanced, and the control module controls the tool battery pack 40 and the battery pack 10 to discharge simultaneously when the voltages of the battery pack 10 and the tool battery pack 40 are balanced, so that circulation current is prevented from being formed between the battery pack 40 and the tool battery pack 10 due to the existence of voltage difference, the waste of electric energy is avoided, and.
Preferably, the external interface and the second interface are movably provided with an opening and closing cover plate, and the opening and closing cover plate is used for controlling the opening and closing of the external interface or the second interface; when the tool battery pack 40 needs to be accessed, the opening and closing cover plate at the position can be opened, and when the tool battery pack does not need to be accessed, the opening and closing cover plate at the position can be closed, so that foreign matters such as water and liquid are prevented from entering the energy storage power station, and the normal work of the energy storage power station is prevented from being influenced.
The specification voltage of the tool battery pack 40 is the same as that of the battery pack 10. Since the lithium batteries have different voltages even if the lithium batteries with the same parameters are used for a long time, the difference between the voltages of the tool battery pack 40 and the battery pack 10 with the same specification voltage is reduced as much as possible.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A combined energy storage power station, comprising:
the inverter power supply comprises a first inverter and a first interface which is electrically connected with the first inverter and suitable for electric energy input, wherein the first interface is connected with a battery pack;
the second inverter and a second interface which is electrically connected with the second inverter and is suitable for electric energy input;
the second inverter is suitable for being connected with the first inverter in parallel so that alternating current voltages output by the first inverter and the second inverter are output in parallel to increase output power of a power station.
2. The combined energy storage power station of claim 1 wherein the first interface comprises an internal interface and an external interface; the battery pack is connected with the built-in interface and is arranged in the inverter power supply.
3. The combined energy storage power station of claim 2 wherein the external interface and the second interface are adapted to connect to a tool battery pack, and the tool battery pack is adapted to be connected in parallel with the battery pack; the tool battery pack and the battery pack keep voltage balanced discharge.
4. A combined energy storage power station according to claim 3 characterised in that the tool battery pack is adapted for common use with electric tools and/or electric garden tools and/or power mobile working machines.
5. A combined energy storage power plant according to claim 3, characterised in that the first and second interfaces are both parallel interfaces; the parallel connection port is suitable for connecting the tool battery packs in parallel with each other and the battery pack in parallel.
6. A combined energy storage power station according to claim 5 characterised in that it further comprises parallel modular circuits adapted to prevent mutual charging between the battery pack and the tool battery pack, and between the tool battery packs; the parallel interfaces are connected in the parallel module circuit.
7. The combined energy storage power station of claim 6 further comprising an identification module and a control module;
the parallel module circuit comprises switches, and each parallel connection port is connected with one switch;
the identification module is suitable for identifying the voltage of the tool battery pack and the battery pack, the control module can control the switch to be turned on and off, the control module can control the battery pack and the tool battery pack to discharge firstly when the voltage of the battery pack and the voltage of the tool battery pack are balanced, and the control module controls the tool battery pack and the battery pack to discharge simultaneously.
8. The combined energy storage power station of claim 7 wherein the external interface and the second interface are movably provided with an openable cover plate, and the openable cover plate is used for controlling the opening and closing of the external interface or the second interface.
9. The combined energy storage power station of claim 1, further comprising a coupler having an output port, wherein the first inverter and the second inverter are connected by the coupler so as to form a parallel connection, and the ac voltage after the parallel connection is output through the output port.
10. The combined energy storage power station of claim 9 wherein the coupling is internal to the inverter power source or external to the inverter power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921528414.6U CN210517907U (en) | 2019-09-12 | 2019-09-12 | Combined energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921528414.6U CN210517907U (en) | 2019-09-12 | 2019-09-12 | Combined energy storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517907U true CN210517907U (en) | 2020-05-12 |
Family
ID=70569858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921528414.6U Active CN210517907U (en) | 2019-09-12 | 2019-09-12 | Combined energy storage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210517907U (en) |
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2019
- 2019-09-12 CN CN201921528414.6U patent/CN210517907U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. Assignor: ZHEJIANG QIXIANG TECHNOLOGY CO.,LTD. Contract record no.: X2023330000879 Denomination of utility model: A combined energy storage power station Granted publication date: 20200512 License type: Common License Record date: 20231124 |