CN210380387U - Portable energy storage power station - Google Patents
Portable energy storage power station Download PDFInfo
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- CN210380387U CN210380387U CN201921527880.2U CN201921527880U CN210380387U CN 210380387 U CN210380387 U CN 210380387U CN 201921527880 U CN201921527880 U CN 201921527880U CN 210380387 U CN210380387 U CN 210380387U
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- energy storage
- power station
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- 238000004146 energy storage Methods 0.000 title claims abstract description 34
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 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
- 230000002035 prolonged effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 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
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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 portable energy storage power station, include: the inverter power supply comprises an inverter and an interface which is connected with the inverter and is suitable for electric energy input, wherein the interface at least comprises an internal interface and an external interface; the built-in interface is connected with a built-in battery pack; the external interface is suitable for connecting an additional independent external battery pack and/or tool battery pack to the inverter power supply, and the external battery pack and/or the tool battery pack and the internal battery pack keep voltage balance and discharge at the same time so as to prolong the electric energy output time of the inverter power supply. The utility model has the advantages that the expandable capacity of the energy storage power station is large, the power supply time is long, and the idle tool battery pack of the user can be fully utilized; and the condition of mutual charging between the batteries can not occur, the use is convenient and fast, and the reliability is strong.
Description
Technical Field
The utility model relates to a battery package technical field especially relates to a portable energy storage power station.
Background
The portable 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 certainly, direct current output interfaces 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.
Particularly, with the development of battery technology and the wide application of garden tools, many household users have one or more tool battery packs, which are only used during garden work and are left unused in the hands of the household users at other times, resulting in idle waste of user resources, so that many household users face the problem that the battery capacity of an energy storage power station is not enough on one hand, and the tool battery packs of the garden tools are wasted when being left unused on the other hand, therefore, a technical scheme is urgently needed to realize garden, outdoor and household electricity intercommunication, so that the tool battery packs of the garden tools can be adapted to the energy storage power station for use; and on the other hand, the battery capacity of the energy storage power station can be improved, so that the working time of the energy storage power station is prolonged.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved in the utility model lies in that, a portable energy storage power station that can be supplied power by built-in group battery and external group battery/instrument battery package simultaneously to extension discharge time is proposed.
The utility model provides a technical scheme that its technical problem adopted is, provides a portable energy storage power station, include:
the inverter power supply comprises an inverter and an interface which is connected with the inverter and is suitable for electric energy input, wherein the interface at least comprises an internal interface and an external interface; the built-in interface is connected with a built-in battery pack;
the external interface is suitable for connecting an additional independent external battery pack and/or tool battery pack to the inverter power supply, and the external battery pack and/or the tool battery pack and the internal battery pack keep voltage balance and discharge at the same time so as to prolong the electric energy output time of the inverter power supply.
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, the external interface is provided with one or more, and the external battery pack and/or the tool battery pack are detachably connected with the external interface.
Furthermore, the interface is a current limiting interface; the current limiting interface is suitable for connecting the external battery pack and/or the tool battery pack in parallel, and the external battery pack and/or the tool battery pack and the internal battery pack form parallel connection.
Furthermore, a current limiting module circuit suitable for preventing the battery from being reversely charged is arranged in the inverter power supply.
Further, the specification voltage of the external battery pack and/or the tool battery pack is the same as that of the internal battery pack.
Furthermore, an external interface is externally arranged on the periphery of the inverter power supply or embedded in the inverter power supply, and an opening and closing cover plate is arranged at the external interface.
Furthermore, each interface is connected with the current limiting module circuit; the current limiting module circuit comprises a control unit, an anti-reverse charging piece, a first MOS tube and a second MOS tube which are connected with each other;
the first MOS tube is connected with the second MOS tube in series, and the control unit is electrically connected with the first MOS tube and the second MOS tube; the anti-reverse charging piece is connected with the second MOS tube in parallel.
Further, the control unit is suitable for controlling the connection and disconnection of the first MOS tube and the second MOS tube; the first MOS tube is an N-MOS tube, and the second MOS tube is a P-MOS tube.
Further, when the voltage of one of the internal battery pack or the external battery pack or the tool battery pack connected to the current limiting interface is lower than the voltage of the other internal battery pack or the external battery pack or the tool battery pack, the low-voltage internal battery pack or the external battery pack or the tool battery pack discharges through the anti-reverse charging component and the first MOS transistor forming a loop.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
1. in the utility model, the inverter is provided with a built-in interface and an external interface, the built-in interface is connected with a built-in battery pack, the external interface can be connected with an additional independent external battery pack/tool battery pack, so that the external battery pack/tool battery pack and the built-in battery pack can be supplied with power in a balanced manner, the direct current is converted into alternating current through the inverter to be used by an electric appliance, and the electric energy output time of the inverter can be greatly prolonged; when the external battery pack/tool battery pack is not connected, the internal battery pack can be used for supplying power independently, and the condition that the energy storage power station cannot be used due to forgetting to carry the battery pack can be avoided; when the external battery pack/tool battery pack is connected, the external battery pack/tool battery pack and the internal battery pack supply power simultaneously, and the number of the connected external battery pack/tool battery pack can be adjusted automatically according to actual needs, so that the portable energy storage power station is convenient to use and diversified in power supply mode.
2. The utility model discloses in, the instrument battery package is suitable for electric tool and/or electronic horticulture instrument and/or power removal operation machine to share to realize gardens, it is outdoor, the household power consumption intercommunication, the instrument battery package that lets garden instrument can the adaptation energy storage power station use, the effect of idle instrument battery package has effectively been played, the instrument battery package that lets garden instrument satisfies the garden operation on the one hand and uses, on the other hand can also satisfy the use in family user energy storage power station, the effect maximize that makes instrument battery package.
3. The utility model discloses in, external interface is provided with one or more, it is suitable for the external group battery of one-to-one configuration/instrument battery package, the quantity of external interface specifically can set up according to the product function definition, can one or more, set up different models, the user can purchase the energy storage power station of different models according to the reasonable selection of the quantity of the external group battery of own family owner/instrument battery package, external group battery/instrument battery package disposes external interface with dismouting mode freely simultaneously, the alternative use of the different use scenes of convenience of customers.
4. The utility model discloses in, the interface is the current-limiting interface, has the current-limiting module circuit that prevents that the battery from anti-filling, and the control unit of current-limiting module circuit is through the break-make of control second MOS pipe to and prevent the electric current one-way conductivity who prevents to fill the piece, realize preventing between the battery and fill each other.
5. The utility model discloses in, the break-make of the first MOS pipe of control unit accessible control implements under-voltage protection to built-in group battery/external group battery/instrument battery package, and when built-in group battery or external group battery or instrument battery package discharged to the default promptly, the disconnection of first MOS pipe, this built-in group battery or external group battery or instrument battery package that reach the default no longer discharge.
Drawings
FIG. 1 is a schematic diagram of a portable energy storage power station of the present invention;
fig. 2 is a schematic structural diagram of a current limiting module circuit.
In the figure:
100. a built-in battery pack;
200. an external battery pack or tool battery pack;
30. a first MOS transistor;
31. a second MOS transistor;
32. an anti-reverse charging member;
33. a control unit.
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 portable energy storage power station includes: the inverter power supply comprises an inverter and an interface which is connected with the inverter and is suitable for electric energy input, wherein the interface at least comprises an internal interface and an external interface; the built-in interface is connected with a built-in battery pack 100. When an additional independent external battery pack or tool battery pack 200 is not connected, the electric energy of the inverter power supply is directly input by the internal battery pack 100, namely the inverter power supply can realize independent power supply by the internal battery pack 100, and the condition that the power supply cannot be carried out due to forgetting to carry the battery pack due to the arrangement of the internal battery pack 100 can be prevented; the inverter mainly comprises an inverter bridge, control logic and a filter circuit, the portable 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 I/O ports are configured to provide electric energy stored in the power station for 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. The external interface is suitable for connecting an additional independent external battery pack and/or tool battery pack 200 into the inverter power supply, and the external battery pack and/or tool battery pack 200 and the internal battery pack 100 keep voltage balance and discharge simultaneously so as to prolong the electric energy output time of the inverter power supply, so that the external battery pack/tool battery pack 200 which is idle in hand of a user can play the maximum function to realize the intercommunication of power utilization in gardens, outdoors and households. That is, the inverter power supply may be supplied with power by the internal battery pack 100 alone, or may discharge power from the internal battery pack 100 and the external battery pack and/or the tool battery pack 200 at the same time.
Wherein the external battery pack and/or tool battery pack 200 is suitable for being shared by the electric tool and/or electric garden tool and/or power mobile working machine; the external battery pack and/or the tool battery pack 200 can be used for supplying power as long as the output parameters of the external battery pack or the tool battery pack 200 are matched with the working parameters of the electric tool, the electric gardening tool and the power mobile working machine.
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, one or more external interfaces are provided, and each external interface is suitable for configuring the external battery pack and/or the tool battery pack 200 in a one-to-one correspondence manner; the external battery pack and/or the tool battery pack 200 are connected to the inverter in series or in parallel with each other, and may be connected to the internal battery pack 100 in series or in parallel. The number of external interfaces may be set according to the product function definition, and may be only one, or two, three, or more. A user selects to purchase energy storage power stations of different models according to the number of the external battery packs and/or the tool battery packs owned by the user, and the external battery packs and/or the tool battery packs 200 are configured and connected with the external interfaces in a freely detachable mode.
In the following embodiments, the external battery pack and/or the tool battery pack 200 is connected in parallel with the internal battery pack 100, but the present invention is not limited to the parallel connection.
As shown in fig. 1, the electric energy input interface of the inverter power supply has a built-in interface and an external interface, the built-in interface and the external interface may have the same structure, and the interfaces are current limiting interfaces, the current limiting interfaces are suitable for connecting the external battery pack and/or the tool battery pack 200 in parallel, and the external battery pack and/or the tool battery pack 200 and the built-in battery pack 100 form a parallel connection, so that the capacity of the inverter power supply is greatly improved. The number of the external battery packs and/or the tool battery packs 200 connected into the inverter is determined according to actual working requirements, and if longer discharge time is needed, more external battery packs and/or tool battery packs 200 are connected; alternatively, only the built-in battery pack 100 may be used for power supply in the case of short-time discharge. Preferably, the external battery pack and/or the tool battery pack 200 has the same specification voltage as the internal battery pack 100, and since the lithium battery has the condition that the voltage is gradually reduced even though the lithium battery with the same parameters is used with the length of the service time, the voltage difference is reduced as much as possible by using the internal battery pack or the tool battery pack 200 and the internal battery pack 100 with the same specification voltage.
Wherein, the external interface is movably provided with an opening and closing cover plate, when the external interface needs to be used, the opening and closing cover plate at the external interface is opened for the insertion of the external battery pack or the tool battery pack 200; when the external interface is not needed, the opening and closing cover plate at the external interface is closed, so that foreign matters such as water and liquid are prevented from entering the inverter power supply and affecting the normal work of the inverter power supply.
As shown in fig. 2, in order to solve the problem that the external battery pack and/or the tool battery pack 200 are prone to mutual charging, each interface, i.e., the internal interface and the external interface, is connected with a current limiting module circuit for preventing reverse charging; the current limiting module circuit comprises a control unit 33, an anti-reverse charging piece 32, a first MOS tube 30 and a second MOS tube 31 which are connected; the first MOS transistor 30 is connected in series with the second MOS transistor 31, and the control unit 33 is electrically connected with both the first MOS transistor 30 and the second MOS transistor 31; the anti-reverse charging piece 32 is connected with the second MOS tube 31 in parallel; specifically, the control unit 33 is adapted to control the on and off of the first MOS transistor 30 and the second MOS transistor 31; the first MOS transistor 30 is an N-MOS transistor, and the second MOS transistor 31 is a P-MOS transistor. When the internal battery pack 100 or the external battery pack or the tool battery pack is connected, the source (S pole) of the first MOS transistor 30 is electrically connected to the negative pole of the battery, and the drain (D pole) of the first MOS transistor is electrically connected to the source of the second MOS transistor 31, wherein the anti-reverse charging member 32 is connected in parallel to both ends of the second MOS transistor 31, and when the second MOS transistor 31 is disconnected, the anti-reverse charging member 32 forms a loop discharge with the first MOS transistor and the internal battery pack 100 or the tool battery pack or the external battery pack connected thereto, and the anti-reverse charging member 32 can control the one-way passage of current, so as to achieve the purpose of preventing mutual charging. Control electrodes or gates (G electrodes) of the first MOS transistor 30 and the second MOS transistor 31 are connected to the control unit 33, so that the control unit 33 can control on/off of the first MOS transistor 30 and the second MOS transistor 31 according to working conditions, thereby protecting the circuit in real time.
When the internal battery pack 100 or the external battery pack or the tool battery pack 200 connected to the current limiting interface discharges to a preset voltage value, the control unit 33 may control the first MOS transistor 30 to turn off, so as to perform discharge protection on the internal battery pack 100 or the external battery pack or the tool battery pack 200 reaching the preset voltage value.
The anti-reverse charging function and the under-voltage protection function of the current limiting module circuit of the scheme are detailed as follows:
due to the fact that each interface is provided with the circuit shown in fig. 2, when the voltage of the battery pack connected with the BT1 in parallel is higher than that of the BT1, the control unit 33 in the interface connected with the BT1 controls the second MOS transistor 31 to be disconnected, due to the one-way conductivity of the anti-reverse charging piece 32, current cannot flow from P-to P +, namely other battery packs cannot charge the BT1, mutual charging is prevented, and the principle of mutual charging prevention of other battery packs is the same as that of the BT1, and will not be described in detail.
As shown in fig. 2, taking BT1 as an example, when BT1 discharges to a preset low voltage state, to protect BT1, the control unit 33 disconnects the first MOS transistor, so that current cannot flow out from BT1, that is, BT1 does not discharge any more, and performs undervoltage protection on BT1, where BT1 may be an internal battery pack 100, an external battery pack, or a tool battery pack, and the principle of implementing the undervoltage protection function is the same.
The portable energy storage power station of the utility model is convenient to use and has high resource utilization rate; and can stably and continuously provide electric energy for the electric equipment.
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 portable energy storage power station, comprising:
the inverter power supply comprises an inverter and an interface which is connected with the inverter and is suitable for electric energy input, wherein the interface at least comprises an internal interface and an external interface; the built-in interface is connected with a built-in battery pack;
the external interface is suitable for connecting an additional independent external battery pack and/or tool battery pack to the inverter power supply, and the external battery pack and/or the tool battery pack and the internal battery pack keep voltage balance and discharge at the same time so as to prolong the electric energy output time of the inverter power supply.
2. A portable energy storage power station according to claim 1 characterized in that the tool battery pack is adapted to be common to electric tools and/or electric garden tools and/or power mobile working machines.
3. The portable energy storage power station of claim 1 wherein one or more external interfaces are provided and the external battery pack and/or the tool battery pack are removably attached to the external interfaces.
4. A portable energy storage power station according to claim 1 or 2 or 3 characterized in that said interface is a current limiting interface; the current limiting interface is suitable for connecting the external battery pack and/or the tool battery pack in parallel, and the external battery pack and/or the tool battery pack and the internal battery pack form parallel connection.
5. The portable energy storage power station of claim 4 wherein said inverter power source has built in current limiting modular circuitry adapted to prevent battery back charging.
6. A portable energy storage power station as claimed in claim 4 wherein the external battery pack and/or the tool battery pack has a specification voltage which is the same as the specification voltage of the internal battery pack.
7. The portable energy storage power station of claim 4 wherein the external interface is externally disposed on the periphery of the inverter power supply or is embedded in the inverter power supply, and an openable cover plate is disposed at the external interface.
8. The portable energy storage power station of claim 5 wherein each interface is connected to the current limiting module circuit; the current limiting module circuit comprises a control unit, an anti-reverse charging piece, a first MOS tube and a second MOS tube which are connected;
the first MOS tube is connected with the second MOS tube in series, and the control unit is electrically connected with the first MOS tube and the second MOS tube; the anti-reverse charging piece is connected with the second MOS tube in parallel.
9. A portable energy storage power station as claimed in claim 8 characterised in that the control unit is adapted to control the switching on and off of the first and second MOS transistors; the first MOS tube is an N-MOS tube, and the second MOS tube is a P-MOS tube.
10. The portable energy storage power station of claim 8 or 9 wherein when the voltage of one of the internal or external battery packs or tool battery packs connected to the current limiting interface is lower than that of the other internal or external battery packs or tool battery packs, the low voltage internal or external battery pack or tool battery pack discharges through the anti-reverse charging component and the first MOS tube forming a loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921527880.2U CN210380387U (en) | 2019-09-12 | 2019-09-12 | Portable energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921527880.2U CN210380387U (en) | 2019-09-12 | 2019-09-12 | Portable energy storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210380387U true CN210380387U (en) | 2020-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921527880.2U Active CN210380387U (en) | 2019-09-12 | 2019-09-12 | Portable energy storage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210380387U (en) |
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2019
- 2019-09-12 CN CN201921527880.2U patent/CN210380387U/en active Active
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| 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 portable energy storage power station Granted publication date: 20200421 License type: Common License Record date: 20231124 |