CN210297353U - Combined energy storage power station - Google Patents
Combined energy storage power station Download PDFInfo
- Publication number
- CN210297353U CN210297353U CN201921528448.5U CN201921528448U CN210297353U CN 210297353 U CN210297353 U CN 210297353U CN 201921528448 U CN201921528448 U CN 201921528448U CN 210297353 U CN210297353 U CN 210297353U
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- inverter
- battery pack
- interface
- energy storage
- mos tube
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- 238000004146 energy storage Methods 0.000 title claims abstract description 35
- 239000002699 waste material Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010413 gardening Methods 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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; the first interface is connected with a first battery pack, and a current limiting module circuit suitable for preventing the batteries from being charged mutually is arranged in the first 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 adapted to be connected in parallel with the first inverter to increase the plant output power. The utility model has the advantages that the combined energy storage power station has large output power, long discharge time and strong expansibility; different types of tool battery packs can be accessed, and the application range is wide; can utilize the idle tool battery package of the electric garden tool of different kinds.
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.
With the popularization of the electric garden tools, many users hold a plurality of electric garden tools in their hands, and most of the users only use a small part of the electric garden tools, and the usage rate of the tool battery pack in the electric garden tools is also low.
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.
To the above-mentioned not enough that exist in current energy storage power station, need design a capacious, output is big, and can utilize the combination formula energy storage power station that the idle instrument battery package of the electronic garden instrument of different kinds got up.
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 can utilize the combination formula energy storage power station that the idle instrument battery package of the electronic garden instrument of different kinds 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 is suitable for electric energy input; the first interface is connected with a first battery pack, and a current limiting module circuit suitable for preventing the mutual charging of the batteries is arranged in the first 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 adapted to be connected in parallel with the first inverter to increase the plant output power.
Furthermore, the first interface comprises an internal interface and an external interface; the first battery pack is arranged in the inverter power supply and connected with the built-in interface.
Further, the external interface is suitable for being connected with a second battery pack and/or a first tool battery pack; the second battery pack and/or the first tool battery pack have the current limiting module circuit.
Furthermore, the number of the external interfaces is one or more, and the external interfaces are suitable for configuring the second battery pack and/or the first tool battery pack in a one-to-one correspondence manner, so that the second battery pack and/or the first tool battery pack are connected in parallel with each other and the first battery pack.
Further, the second interface is suitable for connecting a second tool battery pack;
the number of the second interfaces is one or more, and the second interfaces are suitable for configuring the second tool battery packs in a one-to-one correspondence mode, so that the second tool battery packs are mutually connected in parallel and are connected with the first battery pack in parallel.
Further, the first and second tool battery packs are adapted to be common for electric tools and/or electric garden tools and/or power mobile working machines.
Further, the anti-reverse charging parallel module circuit is also included; the second interface is a parallel connection interface, and the parallel connection interfaces are connected in the anti-reverse charging parallel module circuit.
Furthermore, the anti-reverse charging circuit comprises a switch, and each second interface is connected with a switch; the switch is suitable for controlling the connection or disconnection of the second tool battery pack connected with the switch.
Furthermore, 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 M OS tube in parallel;
the control unit can control 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, the inverter power supply also comprises a coupler with an output port, wherein the coupler is internally arranged in the inverter power supply or externally arranged in the inverter power supply;
the first inverter and the second inverter are connected through the coupler, and alternating-current voltage obtained after the first inverter and the second inverter are connected in parallel is output through the output port.
Compared with the prior art, the invention has at least the following beneficial effects:
1. in the utility model, the first inverter and the second inverter are connected in parallel, so that the output power of the combined 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 power of the first inverter or the second inverter is increased in parallel connection 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 parallel operation can more effectively meet more use scenes of users by increasing the output power of the inverter power supply.
2. In the utility model, an external interface can be connected with an additional independent second battery pack or a first tool battery pack, and a current limiting module circuit is arranged in the second battery pack or the first tool battery pack to prevent mutual charging; a second tool battery pack can be accessed to the second interface, and the second tool battery pack accessed to the second interface does not need to be provided with a current limiting module circuit inside, so that the tool battery packs accessible to the combined energy storage power station are various in types; and an idle tool battery pack held by a user is used, so that the greater function of the tool battery pack is exerted, and the waste is avoided.
3. The utility model discloses in, place inverter in the first group battery in, can prevent effectively that the user from going out when the operation, forget the group battery and can not normally give the scene of using electrical apparatus power supply.
4. The utility model discloses in, be provided with current-limiting module circuit and parallelly connected module circuit, all have the function of preventing reverse charging, effectively prevent that the battery of first group battery, second group battery, first instrument battery package, second instrument battery package from appearing the condition of filling each other; and the current-limiting module circuit can implement under-voltage protection on the second battery pack or the first tool battery pack of the current-limiting module circuit, namely when the second battery pack or the first tool battery pack discharges to a preset voltage value, the control unit disconnects the first MOS tube, and the second battery pack or the first tool battery pack reaching the preset voltage value is disconnected and stops discharging.
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;
fig. 3 is a schematic diagram of a current limiting module circuit.
In the figure:
10. a first battery pack;
20. an interface is arranged inside;
20', an external interface;
30. a second interface;
40. a second battery pack or a first tool battery pack;
50. a second tool battery pack;
60. a parallel module circuit;
600. a switch;
11. a control unit; 12. an anti-reverse charging member; 13. a first MOS transistor; 14. and a second MOS transistor.
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. 1-3, 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; the first interface is connected with a first battery pack 10, and a current limiting module circuit suitable for preventing the mutual charging of the batteries is arranged in the first battery pack 10; here, the first battery pack 10, the second battery pack/first tool battery pack 40, and the second tool battery pack 50 herein all have batteries therein. Specifically, the first interface includes an internal interface 20 and an external interface 20'; the first battery pack 10 is built in the inverter power supply and connected to the built-in interface 20. The first inverter may convert the dc power of the first battery pack 10 into ac power for use by the electric devices. Preferably, the first battery pack 10 is embedded in the first inverter power supply, so that a situation that a user forgets to carry the battery pack and cannot normally supply power to an electrical appliance when going out for operation can be effectively prevented.
A second inverter and a second interface 30 electrically connected to the second inverter and adapted for electrical energy input; the second inverter is adapted to be connected in parallel with the first inverter to increase the plant output power. Specifically, the 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. When the single output power of 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 through the coupler, so that the output power is increased to meet the requirement of a customer; the setting mode is simple and convenient, the connector can be switched on or off, the connector can be switched off, the power output of the first inverter or the power output of the second inverter can be realized, the low-power inverter is suitable for low-power occasions, and more use scenes of users can be met more effectively.
Preferably, the external interface 20' is adapted to connect to a second battery pack and/or a first tool battery pack 40; the second battery pack and/or the first tool battery pack 40 also have current limiting module circuitry for preventing cross-charging between the batteries. The number of the external interfaces 20' is one or more, and the external interfaces are suitable for configuring the second battery pack and/or the first tool battery pack 40 in a one-to-one correspondence manner, so that the second battery pack and/or the first tool battery pack 40 are connected in parallel with each other and the first battery pack 10. The first battery pack 10, the second battery pack and/or the first tool battery pack 40 are/is provided with a current limiting module circuit inside, so that reverse charging prevention measures do not need to be arranged in the inverter power supply, the structure of the inverter power supply can be simplified, and the structure of the inverter power supply is more compact.
As shown in fig. 3, the current limiting module circuit includes a control unit 11, an anti-reverse charging piece 12, and a first MOS transistor 13 and a second MOS transistor 14 connected to each other; the first MOS tube 13 is connected with the second MOS tube 14 in series, and the control unit 11 is electrically connected with the first MOS tube 13 and the second MOS tube 14; the anti-reverse charging piece 12 is connected with the second MOS tube 14 in parallel; specifically, the source (S pole) of the first MOS transistor 13 is electrically connected to the negative pole of the battery, and the drain (D pole) of the first MOS transistor 13 is electrically connected to the source of the second MOS transistor 14, wherein the anti-reverse charging device 12 is connected in parallel to both ends of the second MOS transistor 14. The control unit 11 can control the on and off of the first MOS transistor 13 and the second MOS transistor 14, and the first MOS transistor 13 is an N-MOS transistor, and the second MOS transistor 14 is a P-MOS transistor. Specifically, when the voltage of a certain battery is lower than that of other batteries, the control unit 11 connected to the battery controls the second MOS transistor 14 to be turned off, and the low-voltage battery, the first MOS transistor 13 and the anti-reverse charging component 12 form a closed loop to discharge, that is, at this time, since the anti-reverse charging component 12 has a one-way current passing property, the current can only flow from the positive electrode to the negative electrode of the battery, the battery discharges, the current cannot flow from the negative electrode to the positive electrode of the battery, and the battery cannot be charged, so that other batteries can be prevented from charging the battery pack, and an anti-reverse charging function is realized.
The current limiting module circuit also has an under-voltage protection function, and can also implement discharge protection on the battery accessed into the current limiting module circuit, namely when the battery accessed into the circuit discharges to a preset value, the control unit 11 can control the first MOS tube 13 to be closed, the battery accessed into the anti-reverse charging circuit is in an open circuit, and the battery is implemented with under-voltage protection, and the first battery pack 10, the second battery pack/the first tool battery pack all have the current limiting module circuit, so that the current limiting module circuit has the anti-reverse charging function and the under-voltage protection function.
Preferably, as shown in fig. 1 and 2, the second interface 30 is adapted to connect to a second tool battery pack 50; the number of the second interfaces 30 is one or more, and the second interfaces are adapted to configure the second tool battery packs 50 in a one-to-one correspondence, so that the second tool battery packs 50 are connected in parallel with each other and the first battery pack 10.
The first tool battery pack and the second tool battery pack 50 are suitable for being shared by an electric tool and/or an electric gardening tool and/or a power mobile working machine, and it can be understood that a current limiting module circuit is arranged in the first tool battery pack, and the current limiting module circuit is not arranged in the second tool battery pack, so that the combined energy storage power station can adapt to different types of tool battery packs, and the adaptability of the combined energy storage power station is improved; and the idle tool battery pack held by the user can play a greater role, and waste is avoided.
As shown in fig. 2, the energy storage power station further includes an anti-reverse charging parallel module circuit; the second interface 30 is a parallel interface, and the parallel interfaces are all connected in the anti-reverse charging parallel module circuit. Specifically, the anti-reverse charging circuit includes a switch 600, and each second interface 30 is connected to a switch 600; the switch 600 is adapted to control the turning on or off of the second tool battery pack 50 connected thereto. When the voltage of a certain second tool battery pack 50 is higher than that of other second tool battery packs, the second tool battery pack 50 with the higher voltage discharges first, the switch connected with the second tool battery pack 50 is closed first, and when the voltage is kept level with other second tool battery packs, the second tool battery pack 50 and other second tool battery packs discharge simultaneously, so that the situation of mutual charging between the second tool battery packs 50 is prevented.
Because the lithium batteries have the condition that the voltages of the lithium batteries with the same parameters are different along with the use time, the first battery pack 10 and the second battery pack or the first tool battery pack 40 and the second tool battery pack can have the same specification voltage so as to reduce the voltage difference.
Preferably, in this scheme, the external interface 20 ' and the second interface 30 are movably provided with an opening and closing cover plate (not shown in the figure), when the external interface 20 ' or the second interface 30 needs to be used, the opening and closing cover plate at this position is opened to correspondingly access the second battery pack/the first tool battery pack 40, or the second tool battery pack 50, when the external interface 20 ' or the second interface 30 does not need to be used, the opening and closing cover plate at this position is closed, so that foreign matters such as water and liquid are prevented from entering the energy storage power station and affecting the normal operation of the energy storage power station.
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 is suitable for electric energy input; the first interface is connected with a first battery pack, and a current limiting module circuit suitable for preventing the mutual charging of the batteries is arranged in the first 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 adapted to be connected in parallel with the first inverter to increase the plant output power.
2. The combined energy storage power station of claim 1 wherein the first interface comprises an internal interface and an external interface; the first battery pack is arranged in the inverter power supply and connected with the built-in interface.
3. The combined energy storage power station of claim 2 wherein the external interface is adapted to connect to a second battery pack and/or a first tool battery pack; the second battery pack and/or the first tool battery pack have the current limiting module circuit.
4. The combined energy storage power station of claim 3 wherein the number of external interfaces is one or more and is adapted to configure the second battery pack and/or the first tool battery pack in a one-to-one correspondence such that the second battery pack and/or the first tool battery pack are connected in parallel with each other and with the first battery pack.
5. A modular energy storage plant according to claim 3, characterized in that said second interface is adapted to connect to a second tool battery pack;
the number of the second interfaces is one or more, and the second interfaces are suitable for configuring the second tool battery packs in a one-to-one correspondence mode, so that the second tool battery packs are mutually connected in parallel and are connected with the first battery pack in parallel.
6. A combined energy storage power station according to claim 5 characterised in that the first and second tool battery packs are adapted for common use with electric tools and/or electric garden tools and/or power mobile working machines.
7. The combined energy storage power station of claim 5 further comprising an anti-reverse charging parallel module circuit; the second interface is a parallel connection interface, and the parallel connection interfaces are connected in the anti-reverse charging parallel module circuit.
8. The combined energy storage power station of claim 7 wherein the anti-reverse charging circuit includes a switch and each second interface is connected to a switch; the switch is suitable for controlling the connection or disconnection of the second tool battery pack connected with the switch.
9. The combined energy storage power station of claim 1, 2 or 3, characterized in that 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 M OS tube in parallel;
the control unit can control 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.
10. The combined energy storage power station of claim 1 further comprising a coupler having an output port, built into or external to said inverter power supply;
the first inverter and the second inverter are connected through the coupler, and alternating-current voltage obtained after the first inverter and the second inverter are connected in parallel is output through the output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921528448.5U CN210297353U (en) | 2019-09-12 | 2019-09-12 | Combined energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921528448.5U CN210297353U (en) | 2019-09-12 | 2019-09-12 | Combined energy storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210297353U true CN210297353U (en) | 2020-04-10 |
Family
ID=70064760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921528448.5U Active CN210297353U (en) | 2019-09-12 | 2019-09-12 | Combined energy storage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210297353U (en) |
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2019
- 2019-09-12 CN CN201921528448.5U patent/CN210297353U/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: 20200410 License type: Common License Record date: 20231124 |