CN209419248U - Portable electric energy system - Google Patents
Portable electric energy system Download PDFInfo
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- CN209419248U CN209419248U CN201822011555.2U CN201822011555U CN209419248U CN 209419248 U CN209419248 U CN 209419248U CN 201822011555 U CN201822011555 U CN 201822011555U CN 209419248 U CN209419248 U CN 209419248U
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- alternating current
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- supply device
- battery pack
- voltage
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- 238000010586 diagram Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of portable electric energy systems, comprising: battery pack；First power supply device and second source device；First power supply device, comprising: the first inverter circuit, the direct current for being set as inputting battery pack are converted to alternating current；First alternating current output interface is set as that the first power supply device is made to export the first alternating voltage；First alternating current output interface is electrically connected to the first inverter circuit；Second source device, comprising: the second inverter circuit, the direct current for being set as inputting battery pack are converted to alternating current；Second alternating current output interface is set as that second source device is made to export the second alternating voltage；Second alternating current output interface is electrically connected to the second inverter circuit；Attachment device is exchanged, for connecting the first alternating current output interface and the second alternating current output interface so that the first alternating voltage and the second alternating voltage are in parallel.The portable electric energy system is capable of providing the alternating voltage of parallel output.
Description
Technical Field
The utility model relates to a portable electric energy system, concretely relates to portable electric energy system of output alternating current.
Background
With the development of battery technology, electric tools are gradually replacing engine tools. In order to achieve an operational effect and a cruising time similar to the engine operation, the rated power and the capacity of the battery pack are also increased more and more.
When the electric tool is used for outdoor work and travel, an alternating current power supply is often needed to supply power to some high-power electric tools or equipment; the conventional portable power source is usually powered by the core pack therein, and once the power of the core pack of the power source is consumed, the power source cannot continuously supply alternating current.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above object, the utility model adopts the following technical scheme:
a portable electrical energy system comprising: a battery pack capable of supplying power to at least one power tool; a first power supply device for causing the battery pack to output electric power or causing electric power to be input to the battery pack; a second power supply device for causing the battery pack to output electric power or causing electric power to be input to the battery pack; a first power supply device comprising: a first inverter circuit configured to convert the direct current input from the battery pack into an alternating current; a first alternating current output interface configured to cause the first power supply device to output a first alternating current voltage; the first alternating current output interface is electrically connected to the first inverter circuit; a second power supply device comprising: a second inverter circuit configured to convert the direct current input from the battery pack into an alternating current; a second ac output interface configured to cause the second power supply device to output a second ac voltage; the second alternating current output interface is electrically connected to the second inverter circuit; and the alternating current connecting device is used for connecting the first alternating current output interface and the second alternating current output interface so as to enable the first alternating voltage and the second alternating voltage to be connected in parallel.
Further, the first power supply device comprises a plurality of first alternating current output interfaces.
Further, the second power supply device comprises a plurality of second alternating current output interfaces.
Further, the ac connection device includes: the first alternating current connecting end is electrically connected with the first alternating current output interface; and the second alternating current connecting end is electrically connected with the second alternating current output interface.
Further, the ac connection device includes: and the alternating current output end is set to output the total voltage of the first alternating current voltage and the second alternating current voltage after being connected in parallel.
Further, the ac connection device includes: the first alternating current connecting end is electrically connected with the first alternating current output interface; the second alternating current connecting end is electrically connected with the second alternating current output interface; an AC connection cable electrically connected to the first AC connection terminal and the second AC connection terminal, respectively;
wherein the AC connection cable does not include an interconnection line.
Further, the first power supply device at least comprises two first alternating current output interfaces; one of the two first alternating current output interfaces is electrically connected with the alternating current connecting device, and the other of the two first alternating current output interfaces is used for outputting parallel voltage of the first alternating current voltage and the second alternating current voltage.
Further, the second power supply device at least comprises two second alternating current output interfaces; one of the two second alternating current output interfaces is electrically connected with the alternating current connecting device, and the other of the two second alternating current output interfaces is used for outputting parallel voltage of the first alternating current voltage and the second alternating current voltage in parallel.
Further, the first power supply device further includes: a first battery pack interface for detachably connecting the battery pack to the second power supply device.
Further, the second power supply device further includes: a second battery pack interface for detachably connecting the battery pack to the second power supply device.
Drawings
FIG. 1 is a block diagram of a power supply apparatus of an embodiment;
FIG. 2 is a block diagram of a portable power system of an embodiment;
FIG. 3 is a partial block circuit diagram of the first power supply apparatus of FIG. 2;
fig. 4 is a partial circuit block diagram of the second power supply apparatus of fig. 2;
fig. 5 is a block diagram of a portable power system of another embodiment.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The portable power system 100 shown in fig. 1 and 2 includes a battery pack 110, a first power supply device 120, a second power supply device 130, and an ac connection device 140.
The battery pack 110 can power at least one power tool. For example, the battery pack 110 can provide a source of electrical energy for a lawn mower or hair dryer, or the like. Specifically, the battery pack 110 includes a battery cell and a battery pack case 111, and the battery cell is accommodated in the battery pack case 111. The battery cell is used for storing electric energy, and can be repeatedly charged and discharged. The electric core can be selected from a lithium ion battery. The battery pack case 111 includes a coupling portion 112, and the battery pack 110 can be coupled to an electric power tool through the coupling portion 112.
Referring to fig. 2 and 3, the first power supply device 120 is used to make the battery pack 110 output power or make the power input to the battery pack 110. The first power supply device 120 includes a first battery pack interface 121, a first inverter circuit 122, and a first ac power output interface 123.
The first battery pack interface 121 is used to access the battery pack 110 so that the battery pack 110 can be detachably connected to the first power supply device 120. In some embodiments, the first power device 120 includes a plurality of battery packs 110 interface to access the plurality of battery packs 110.
The first inverter circuit 122 is electrically connected to the first battery pack interface 121, and is configured to convert the dc power input by the battery pack 110 into a first ac power and output the first ac power.
The first ac power output interface 123 is electrically connected to the first inverter circuit 122, and is configured to output the first ac power inverted by the first inverter circuit 122. In some embodiments, the first power supply device 120 includes a plurality of first ac power output interfaces 123. Specifically, the first power supply device 120 includes at least two first ac power output interfaces 123. The external ac power device is connected to the first ac output interface 123, and the first power supply device 120 converts the dc voltage of the connected battery pack 110 into an ac voltage through the first inverter circuit 122 and outputs the ac voltage to supply power to the connected ac power device.
The first power supply device 120 further comprises a first rectifying circuit 124 configured to convert ac power received from the first power supply device 120 into dc power for charging the received battery pack 110. The first rectifying circuit 124 is electrically connected to the first battery pack interface 121.
Referring to fig. 2 and 4, the second power supply device 130 is used to cause the battery pack 110 to output power or cause power to be input to the battery pack 110. The second power supply device 130 includes a second battery pack interface 131, a second inverter circuit 132, and a second ac power output interface 133.
The second battery pack interface 131 is used to access the battery pack 110 so that the battery pack 110 can be detachably connected to the second power supply device 130. In some embodiments, the second power device 130 includes a plurality of battery pack interfaces 131 for accessing the plurality of battery packs 110.
The second inverter circuit 132 is electrically connected to the second battery pack interface 131, and is configured to convert the dc power input by the battery pack 110 into a second ac power for output.
The second ac power output interface 133 is electrically connected to the second inverter circuit 132, and is configured to output the ac power inverted by the second inverter circuit 132. In some embodiments, the second power supply apparatus 130 includes a plurality of second alternating current output interfaces 133. Specifically, the second power supply device 130 includes at least two second ac power output interfaces 133. The external ac power device is connected to the second ac output interface 133, and the second power supply device 130 converts the dc voltage of the connected battery pack 110 into an ac voltage through the second inverter circuit 132 and outputs the ac voltage to supply power to the connected ac power device.
The second power supply device 130 further includes a second rectifying circuit 134 configured to convert ac power received from the second power supply device 130 into dc power to charge the received battery pack 110. The second rectifying circuit 134 is electrically connected to the second battery pack interface 131.
Here, the second power supply device 130 may be a power supply device having the same structure as the first power supply device 120, or may be a power supply device having a structure different from that of the first power supply device 120, and the first power supply device 120 and the second power supply device 130 only need to be capable of converting the dc power of the accessed battery pack 110 into ac power and outputting the ac power through the ac power interface.
The ac connection device 140 is used to connect the first ac power output interface 123 and the second ac power output interface 133 to connect the first ac voltage and the second ac voltage in parallel to output a parallel voltage of the two ac voltages. Thus, in the case where power is needed to supply a large power device and one power device is not enough to supply a large power, the ac output interfaces of the two power devices can be connected in parallel through the ac connecting device 140 to output a parallel voltage, so as to supply a large power.
Referring to fig. 2, in some embodiments, the ac connection device 140 includes a first ac connection terminal 141, a second ac connection terminal 142, and an ac connection cable electrically connected to the first ac connection terminal 141 and the second ac connection terminal 142, respectively. The first ac connection terminal 141 is electrically connected to the first ac output interface 123, and the second ac connection terminal 142 is electrically connected to the second ac output interface 133. Specifically, the first ac connection terminal 141 and the second ac connection terminal 142 are both three-phase plugs, the first ac output interface 123 and the second ac output interface 133 are both three-phase sockets, the first ac connection terminal 141 is connected to the first ac output interface 123, and the second ac connection terminal 142 is connected to the second ac output interface 133 to realize parallel connection of the first ac voltage and the second ac voltage. More specifically, the first ac power output interface 123, which is not connected to the first ac connection terminal 141, of the first ac power output interface 123 outputs a parallel voltage in which the first ac voltage and the second ac voltage are connected in parallel. Or the second alternating current output interface 133, which is not connected to the second alternating current connection terminal 142, of the second alternating current output interface 133 outputs a parallel voltage of the first alternating current voltage and the second alternating current voltage in parallel to supply power to the high-power electric device.
The power range of the high-power electric device is not less than 500W, and further not less than 1000W.
Wherein the ac connection cable does not include an interconnection line.
Referring to fig. 5, in other embodiments, the ac connection device 240 includes a first ac connection terminal 241, a second ac connection terminal 242, and an ac output terminal 243. The first ac connection end 241 is electrically connected to the first ac output interface 123, the second ac connection end 242 is electrically connected to the second ac output interface 133, and the ac output end outputs a parallel voltage of the first ac and the second ac.
Obviously, in other embodiments, the first ac power output interface 123 and the second ac power output interface 133 may be directly connected to obtain a parallel voltage of the first ac power and the second ac power in parallel and output the parallel voltage through the other first ac power output interface 123 or the second ac power output interface 133.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. A portable electrical energy system comprising:
a battery pack capable of supplying power to at least one power tool;
the method is characterized in that:
a first power supply device for causing the battery pack to output electric power or causing electric power to be input to the battery pack;
a second power supply device for causing the battery pack to output electric power or causing electric power to be input to the battery pack;
a first power supply device comprising:
a first inverter circuit configured to convert the direct current input from the battery pack into an alternating current;
a first alternating current output interface configured to cause the first power supply device to output a first alternating current voltage;
the first alternating current output interface is electrically connected to the first inverter circuit;
a second power supply device comprising:
a second inverter circuit configured to convert the direct current input from the battery pack into an alternating current;
a second ac output interface configured to cause the second power supply device to output a second ac voltage;
the second alternating current output interface is electrically connected to the second inverter circuit;
and the alternating current connecting device is used for connecting the first alternating current output interface and the second alternating current output interface so as to enable the first alternating voltage and the second alternating voltage to be connected in parallel.
2. The portable electrical energy system of claim 1,
the first power supply device comprises a plurality of first alternating current output interfaces.
3. The portable electrical energy system of claim 1,
the second power supply device comprises a plurality of second alternating current output interfaces.
4. The portable electrical energy system of claim 1,
the AC connection device includes:
the first alternating current connecting end is electrically connected with the first alternating current output interface;
and the second alternating current connecting end is electrically connected with the second alternating current output interface.
5. The portable electrical energy system of claim 4,
the AC connection device includes:
and the alternating current output end is set to output the total voltage of the first alternating current voltage and the second alternating current voltage after being connected in parallel.
6. The portable electrical energy system of claim 1,
the AC connection device includes:
the first alternating current connecting end is electrically connected with the first alternating current output interface;
the second alternating current connecting end is electrically connected with the second alternating current output interface;
an AC connection cable electrically connected to the first AC connection terminal and the second AC connection terminal, respectively;
wherein,
the ac link cable does not include an interconnection line.
7. The portable electrical energy system of claim 1,
the first power supply device at least comprises two first alternating current output interfaces;
one of the two first alternating current output interfaces is electrically connected with the alternating current connecting device, and the other of the two first alternating current output interfaces is used for outputting parallel voltage of the first alternating current voltage and the second alternating current voltage.
8. The portable electrical energy system of claim 1,
the second power supply device at least comprises two second alternating current output interfaces;
one of the two second alternating current output interfaces is electrically connected with the alternating current connecting device, and the other of the two second alternating current output interfaces is used for outputting parallel voltage of the first alternating current voltage and the second alternating current voltage in parallel.
9. The portable electrical energy system of claim 1,
the first power supply device further includes:
a first battery pack interface for detachably connecting the battery pack to the second power supply device.
10. The portable electrical energy system of claim 1,
the second power supply device further includes:
a second battery pack interface for detachably connecting the battery pack to the second power supply device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017112982353 | 2017-12-08 | ||
| CN201711298235 | 2017-12-08 |
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| Publication Number | Publication Date |
|---|---|
| CN209419248U true CN209419248U (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811455096.5A Pending CN109904904A (en) | 2017-12-08 | 2018-11-30 | Portable electric energy system |
| CN201822011555.2U Active CN209419248U (en) | 2017-12-08 | 2018-11-30 | Portable electric energy system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811455096.5A Pending CN109904904A (en) | 2017-12-08 | 2018-11-30 | Portable electric energy system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904904A (en) * | 2017-12-08 | 2019-06-18 | 南京德朔实业有限公司 | Portable electric energy system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492619A (en) * | 2019-09-12 | 2019-11-22 | 浙江齐享科技有限公司 | A kind of combined type energy-accumulating power station |
| CN110492620A (en) * | 2019-09-12 | 2019-11-22 | 浙江齐享科技有限公司 | A kind of combined type energy-accumulating power station |
| CN110752647A (en) * | 2019-11-28 | 2020-02-04 | 深圳市创世达实业股份有限公司 | Combined movable energy storage equipment |
| AU2023319478A1 (en) * | 2022-08-05 | 2024-08-15 | Nanjing Chervon Industry Co., Ltd. | Charging system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130904Y (en) * | 2007-12-20 | 2008-10-08 | 安达科有限公司 | High-capacity power supplier having double-power socket |
| JP2009183016A (en) * | 2008-01-29 | 2009-08-13 | Tokyo Electric Power Co Inc:The | Power supply unit |
| CN201533075U (en) * | 2009-09-29 | 2010-07-21 | 康佳集团股份有限公司 | Power supply socket, power supply plug and electrical device |
| CN202586343U (en) * | 2012-05-22 | 2012-12-05 | 太原科技大学 | Parallel power-source power unit |
| GB201403971D0 (en) * | 2014-03-06 | 2014-04-23 | 7Rdd Ltd | Portable power supply improvements |
| WO2016057528A1 (en) * | 2014-10-06 | 2016-04-14 | Black & Decker Inc. | Portable Power Supply |
| CN204886218U (en) * | 2015-05-15 | 2015-12-16 | 浙江南都电源动力股份有限公司 | Mobile power supply |
| CN109904904A (en) * | 2017-12-08 | 2019-06-18 | 南京德朔实业有限公司 | Portable electric energy system |
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2018
- 2018-11-30 CN CN201811455096.5A patent/CN109904904A/en active Pending
- 2018-11-30 CN CN201822011555.2U patent/CN209419248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904904A (en) * | 2017-12-08 | 2019-06-18 | 南京德朔实业有限公司 | Portable electric energy system |
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| CN109904904A (en) | 2019-06-18 |
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| CP03 | Change of name, title or address |
Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: No. 529, Jiangjun Avenue, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |
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| CP03 | Change of name, title or address |