CN217643174U - Inverter, energy storage device and energy storage system - Google Patents

Abstract

The utility model discloses an dc-to-ac converter, energy memory and energy storage system. The inverter comprises an input port, an inversion module and an output port. The input port can be detachably connected with the energy storage device. The inversion module is connected with the input port and is used for converting the direct current of the input port into alternating current. The output port comprises an alternating current output port, and the alternating current output port is used for outputting the alternating current. The utility model discloses an among inverter, energy memory and the energy storage system, inverter and energy memory can dismantle the connection, consequently, physical separation can be realized to energy memory and inverter, and when not needing to exchange output function, energy storage equipment separates from the input port of inverter, and energy memory can the exclusive use, has reduced energy memory's volume, when needs use and exchange output function, is connected to energy memory with the inverter, then energy memory can utilize the delivery outlet output alternating current of inverter.

Description

Inverter, energy storage device and energy storage system

Technical Field

The utility model relates to a consumer electronics product field, more specifically say, involve an inverter, energy memory and energy storage system.

Background

In order to enrich the use scene of the energy storage device, the energy storage device can be provided with a USB output, a type _ c output, a direct current output, an alternating current output and the like. In the related art, an inverter is arranged inside an energy storage device with alternating current output, so that the energy storage device is large in size, heavy in product weight and inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an embodiment relates to an inverter, energy memory and energy storage system.

The utility model discloses embodiment's dc-to-ac converter includes input port, contravariant module and delivery outlet. The input port can be detachably connected with the energy storage device. The inversion module is connected with the input port and used for converting the direct current of the input port into alternating current. The output port comprises an alternating current output port, and the alternating current output port is used for outputting the alternating current.

In some embodiments, the input port includes a male lighter head, and the energy storage device includes a female lighter seat, the male lighter head being removably connected to the female lighter seat.

In some embodiments, the inverter further comprises at least one of a USB module, a type _ c module, and a cigarette lighter module, the USB module, the type _ c module, and the cigarette lighter module being connected to the input port; the output port further comprises at least one of a USB output port, a type _ c output port and a cigarette lighter female seat.

In some embodiments, the inverter further includes a detection module, the inversion module is connected to the input port through the detection module, and the detection module is configured to detect an operating state of the inverter to obtain a detection result, where the detection result is used to control the output port to output.

In some embodiments, the inverter further includes a controller, the controller is connected to the detection module, and the controller is configured to control the output port to output according to the detection result.

In some embodiments, the output ports further include at least one of a USB output port, a type _ c output port, and a female socket of a cigarette lighter, and the controller is configured to determine a total output power of the inverter according to the detection result, and control the output ports to close at least one load output when the total output power exceeds a preset power; and when the total output power is less than the preset power, recovering each path of load output again.

In some embodiments, the inverter further comprises a voltage regulator circuit, and the voltage regulator circuit is used for converting the voltage of the input port into a preset voltage to be supplied to the controller for operation.

In some embodiments, the detection module includes at least one of a voltage detection unit, a current detection unit, and a temperature detection unit.

In some embodiments, the inverter includes an inverter body and a rotor, the rotor is capable of rotating relative to the inverter body, the rotor includes the input port, the inverter body includes a connection surface, the ac output port is disposed on the connection surface, and the inverter module is disposed in the inverter body; when the rotor rotates to the state of accomodating relatively the dc-to-ac converter body, the connection face with energy memory is inconsistent.

The utility model discloses embodiment's energy memory includes energy storage component and connector, the connector can be dismantled with the dc-to-ac converter and be connected, energy memory passes through inverter output alternating current.

The utility model discloses embodiment's energy storage system includes the inverter and the above-mentioned energy memory of any above-mentioned embodiment, energy memory can with the connection can be dismantled to the inverter.

The utility model discloses in embodiment's dc-to-ac converter, energy memory and energy storage system, the connection can be dismantled to dc-to-ac converter and energy memory, and consequently, physical separation can be realized to energy memory and dc-to-ac converter, and when not needing to exchange output function, energy storage equipment separates from the input port of dc-to-ac converter, and energy memory can the exclusive use, has reduced energy memory's volume, when needs use and exchange output function, is connected to energy memory with the dc-to-ac converter, then energy memory can utilize the delivery outlet output alternating current of dc-to-ac converter. Therefore, the portability of product use is greatly improved and the use scene is enriched.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of an energy storage system according to certain embodiments of the present invention;

fig. 2 and 3 are schematic diagrams of inverters of certain embodiments of the present invention;

fig. 4 is a schematic diagram of an energy storage device according to certain embodiments of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In order to enrich the use scene of the energy storage device, the energy storage device can be provided with a USB output, a type _ c output, a direct current output, an alternating current output and the like. In the related art, an inverter is disposed inside an energy storage device with an ac output, which results in a large volume and a heavy product weight of the energy storage device, and when a user only uses a USB output, a type _ c output, and a dc output, but does not need to use an ac output function, the energy storage device is inconvenient to carry due to the inverter disposed inside the energy storage device.

Referring to fig. 1 and 2, the inverter 12 according to the embodiment of the present invention includes an input port 121, an inverter module 122, and an output port 123. The input port 121 can be removably connected to the energy storage device 14. The inverter module 122 is connected to the input port 121, and the inverter module 122 is configured to convert the dc power at the input port 121 into ac power. The output port 123 includes an ac output port 1232, the ac output port 1232 is connected to the inverter module 122, and the ac output port 1232 is used to output ac power.

The utility model discloses the connection can be dismantled to inverter 12 and energy memory 14 of embodiment, consequently, physical separation can be realized to energy memory 14 and inverter 12, can finely solve different application scenes and use portability and nimble collocation problem. When the ac output function is not required, the energy storage device 14 is separated from the input port 121 of the inverter 12, the energy storage device 14 can be used alone (wherein, the energy storage device 14 can be used alone as an outdoor mobile power source), the volume of the energy storage device 14 is reduced, and when the ac output function is required to be used, the inverter 12 is connected to the energy storage device 14, and then the energy storage device 14 can output ac power through the ac output port 1232 of the inverter 12. Therefore, the portability of product use is greatly improved and the use scene is enriched.

With continued reference to fig. 1, in some embodiments, the input port 121 includes a male lighter head 1212, the energy storage device 14 includes a female lighter socket 1421, and the male lighter head 1212 is removably coupled to the female lighter socket 1421.

In this manner, the removable connection of the energy storage device 14 to the inverter 12 can be achieved through the cigarette lighter interface. Alternatively, the input port 121 of the inverter 12 may be a cigarette lighter male 1212, and the energy storage device 14 includes a connection port 142, and the connection port 142 may be a cigarette lighter female 1421. When the ac output function is not required, the male lighter head 1212 may be separated from the female lighter socket 1421, so that the energy storage device 14 is separated from the inverter 12, the energy storage device 14 may be used alone as an independent product without an inverter or an ac output function, and the inverter 12 may also be applied to other scenarios, for example, the male lighter head 1212 of the inverter 12 may be connected to the female lighter socket of the automobile so that the inverter 12 may be used as an on-board inverter of the automobile. When the energy storage device 14 needs to use the ac output function, the male plug 1212 of the cigar lighter may be plugged into the female socket 1421 of the cigar lighter, so as to electrically connect the inverter 12 and the energy storage device 14, and the energy storage device 14 may output ac power through the ac output port 1232 of the inverter 12 for connection with the electric device.

In other embodiments, the input port 121 may comprise a cigarette lighter female socket and the connection port 142 may comprise a cigarette lighter male. The input port 121 may include one or more of other types of connectors, for example, a USB type _ a connector, a USB type _ c connector, and a USB micro connector, and the connector 142 may include other types of connectors, for example, a USB type _ a connector, a USB type _ c connector, and a USB micro connector, and is not particularly limited herein.

In some embodiments, the inverter module 122 includes a transformer, an ac to dc circuit, and a post-stage output circuit. The transformer, such as a step-up transformer, may convert the DC and low-voltage DC at the input port 121 into ac and high-voltage ac to be processed, and the ac to DC converter circuit may convert the ac and high-voltage ac to be processed into DC and high-voltage DC to be processed. In one embodiment, the dc power input to the port 121 has a voltage of 12V, the transformer has a turns ratio of 110 to 3, the ac power to be processed has a voltage of 440V, the frequency is 38khz, and the dc power to be processed has a voltage of 440V. The post-stage output circuit is connected with the AC-DC converting circuit and used for converting the direct current to be processed into alternating current to be supplied to the AC output port 1232 for output. In one embodiment, the alternating current is 220V alternating current with a frequency of 50Hz. The transformer, the ac-to-dc circuit and the post-stage output circuit can convert the dc power of the input port 121 from low voltage to ac power of high voltage for being provided to the ac output port 1232 for output.

In some embodiments, the ac-to-dc converter circuit includes a rectifier and filter circuit for rectifying and filtering the ac power to be processed to obtain the dc power to be processed. In one embodiment, the rectifying and filtering circuit comprises a rectifying circuit and a filtering capacitor circuit.

Referring to fig. 1 and 2, in some embodiments, the inverter 12 further includes at least one of a USB module 124, a type _ c module 125, and a cigarette lighter module 126, wherein the USB module 124, the type _ c module 125, and the cigarette lighter module 126 are connected to the input port 121; the outlets 123 further include at least one of a USB outlet 1234, a type _ c outlet 1236, and a cigarette lighter socket 1238, the USB outlet 1234 being connected to the USB module 124, the type _coutlet 1236 being connected to the type _ c module 125, and the cigarette lighter socket 1238 being connected to the cigarette lighter module 126.

Therefore, the use scenes of the inverter 12 can be enriched, and the inverter 12 can provide various output ports for connecting with electric equipment conveniently. Optionally, the USB output port 1234 may be a USB type _ a output port and/or a USB micro output port, the USB module 124 is configured to convert the dc power of the input port 121 into a first preset power, the first preset power is suitable for the USB output port 1234 to output, and the USB output port 1234 is configured to output the first preset power. the type _ c output port 1236 may be a usb type _ a output port, the type _ c module 125 converts the dc power of the input port 121 into a second preset power, the second preset power is suitable for the type _ c output port 1236 to output, and the type _ c output port 1236 is used for outputting the second preset power. The cigar lighter module 126 converts the dc power of the input port 121 into a third preset power, the third preset power is suitable for outputting the cigar lighter socket 1238, and the cigar lighter socket 1238 is used for outputting the third preset power. The USB module 124, the type _ c module 125, and the cigarette lighter module 126 may include a boost circuit, a buck circuit, and other circuit structures, which are not limited herein. In one embodiment, the voltage of the first preset power is 5V, and the current is 2.4A; the voltage of the second preset power is 12V, and the current is 8A.

In some embodiments, the input port 121 includes a male cigarette lighter head 1212, the energy storage device 14 includes a female cigarette lighter socket 1421, and the male cigarette lighter head 1212 is detachably connected to the female cigarette lighter socket 1421, so that the input port 121 of the inverter 121 occupies the female cigarette lighter socket 1421 of the energy storage device 14, and in order to facilitate connection of the electric device, the output port 123 of the inverter 12 includes a female cigarette lighter socket 1238, so that the electric device can be electrically connected to the energy storage device 14 through the female cigarette lighter socket 1238 of the inverter 12.

Referring to fig. 1, in some embodiments, the inverter 12 further includes a detection module 127, the inverter module 122 is connected to the input port 121 through the detection module 127, and the detection module 127 is configured to detect an operating state of the inverter 12 to obtain a detection result, where the detection result is used to control the output port 123 to output.

In this way, the operating state of the inverter 12 can be detected by the detection module 127 to control the output port 123 to output according to the detection result.

In certain embodiments, the detection module 127 includes at least one of a voltage detection unit, a current detection unit, and a temperature detection unit.

Alternatively, the detection module 127 may include a voltage detection unit, and the voltage detection unit may detect the operating voltage of the output port 123, and when the operating voltage of the output port 123 is abnormal (higher than a first preset voltage or lower than a second preset voltage, etc.), it may be determined that the inverter 12 is abnormally operated, and thus the output port 123 may be controlled to stop outputting according to the detection result. The detection module 127 may include a current detection unit, and the current detection unit may detect the working current of the output port 123, and may determine the working state of the inverter 12 according to the working current of the output port 123, and then may control the output of the output port 123 according to the working state of the inverter 12, for example, if the working current exceeds a preset current, it is determined that the working state of the inverter 12 is abnormal, and then the output of the output port 123 is controlled to stop. The detection module 127 may include a temperature detection unit, and the temperature detection unit may detect an operating temperature of the inverter 12, and when the operating temperature of the inverter 12 is abnormal (higher than a first preset temperature or lower than a second preset temperature, etc.), it may be determined that the inverter 12 is abnormal, and thus the output port 123 may be controlled to stop outputting according to a detection result.

In some embodiments, the current output interface 1498 can be connected to a battery clamp in a pluggable manner, and can be connected to an automobile (such as a battery of the automobile) through the battery clamp; alternatively, the energy storage device 14 may include a battery clamp fixedly connected to the energy storage device 14, and the positive and negative clamp ends of the battery clamp may be used as the current output interface 1498.

In other embodiments, the inverter 12 may further include a fuse, the fuse may be connected between the output port and the inversion module, and the fuse controls a state of the fuse based on an electrical parameter on an output loop between the output port and the inversion module, so as to control an output condition of the inverter 12, thereby performing a safety protection on the inverter 12.

In some embodiments, the inverter 12 further includes a controller 128, the controller 128 is connected to the detection module 127, and the controller 128 is configured to control the output port 123 to output according to the detection result.

In this manner, intelligent control of the inverter 12 by the controller 128 can be achieved to extend the service life of the inverter 12.

Controller 128 may include a finger drive plate. The driver board may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc.

The controller 128 can be configured to receive the detection result of the detection module 127 and output a corresponding control signal according to the detection result to control the output port 123 to output a corresponding output.

Referring to fig. 3, in some embodiments, the output ports 123 further include at least one of a USB output port 1234, a type _ c output port 1236, and a cigarette lighter socket 1238, and the controller 128 is configured to determine the total output power of the inverter 12 according to the detection result, and control the output ports 123 to turn off at least one load output when the total output power exceeds a preset power; and when the total output power is less than the preset power, recovering each path of load output again.

In this way, the output port 123 can be controlled and output based on the total output power of the inverter 12.

Optionally, the output port 123 may include multiple load outputs, the output port 123 further includes at least one of a USB output port 1234, a type _ c output port 1236, and a female socket 1238 of the cigarette lighter in addition to the ac output port 1232, the detection module 127 may include a current detection unit, the current detection unit may detect a working current of the output port 123, a total output power of the inverter 12 may be determined according to the working current of the output port 123, when the total output power exceeds a preset power, the output port 123 may be controlled to close at least one load output, for example, when the total output power exceeds the preset power, the ac output port 1232 may be closed; and when the total output power is less than the preset power, recovering each path of load output again. In this way, the inverter 12 can be prevented from being damaged due to the excessive output total power of the inverter 12.

Referring to fig. 1, in some embodiments, the inverter 12 further includes a voltage regulator circuit 129, and the voltage regulator circuit 129 is configured to convert the voltage at the input port 121 into a predetermined voltage to be provided to the controller 128 for operation.

In this manner, the controller 128 can operate based on the preset voltage. Alternatively, the regulator 129 is, for example, an LDO (low dropout linear regulator) regulator, and the regulator 129 may be used to convert the voltage at the input port 121 into a preset voltage of 5V to be provided to the controller 128 for operation.

Referring to fig. 1 to 3, in some embodiments, the inverter 12 includes an inverter body 1202 and a rotor 1204, the rotor 1204 is capable of rotating relative to the inverter body 1202, the rotor 1204 includes an input port 121, the inverter body 1202 includes a connection surface 12022, an ac output port 1232 is disposed on the connection surface 12022, and the inverter module 122 is disposed in the inverter body 1202; when the rotating body 1204 rotates to the accommodated state with respect to the inverter body 1202, the connection surface 12022 abuts against the energy storage device 14.

Thus, when the rotating body 1204 rotates to the storage state relative to the inverter body 1202, the connection surface 12022 abuts against the energy storage device 14, so that the ac output port 1232 can be hidden, and dust, water vapor and the like can be prevented from entering the ac output port 1232 to affect the service life of the inverter 12.

Optionally, the inverter body 1202 may be provided with a rotating shaft, the rotating body 1204 may be rotatably connected to the rotating shaft to enable the rotating body 1204 to rotate relative to the inverter body 1202, the input port 121 is provided on the rotating body 1204, the inverter body 1202 includes a connection surface 12022, an ac output port 1232, a USB output port 1234, a type _ c output port 1236, and the like may be provided on the connection surface 12022, a circuit structure (the inverter module 122, the USB module 124, the type _ c module 125, the cigarette lighter module 126, the detection module 127, the controller 128, the voltage stabilizing circuit 129, and the like) may be provided inside the inverter body 1202, when the rotating body 1204 rotates to a storage state relative to the inverter body 1202, the connection surface 12022 abuts against the energy storage device 14, and therefore, when not in use, the ac output port 1232, the USB output port 1234, the type _ c output port 1236 on the connection surface 12022 may be hidden; when the rotating body 1204 rotates to an open state relative to the inverter body 1202, the connection surface 12022 is separated from the energy storage device 14, so that the ac output port 1232, the USB output port 1234, and the type _ c output port 1236 on the connection surface 12022 can be exposed for connection with an electric device in use.

Referring to fig. 1 and 4, the energy storage device 14 according to the embodiment of the present invention includes an energy storage component 141 and a connection port 142, the connection port 142 can be detachably connected to the inverter 12, and the energy storage device 14 outputs ac power through the inverter 12. The energy storage component 141 may be connected to the connection port 142, and the connection here includes indirect connection through other circuit structures as long as the connection that the energy storage component 141 outputs current to the connection port 142 is realized.

The utility model discloses the connection can be dismantled to inverter 12 and energy memory 14 of embodiment, consequently, physical separation can be realized to energy memory 14 and inverter 12, can finely solve different application scenes and use portability and nimble collocation problem. When the ac output function is not required, the energy storage device 14 is separated from the input port 121 of the inverter 12, the energy storage device 14 can be used alone (wherein, the energy storage device 14 can be used alone as an outdoor mobile power source), the volume of the energy storage device 14 is reduced, and when the ac output function is required to be used, the inverter 12 is connected to the energy storage device 14, and then the energy storage device 14 can output ac power through the ac output port 1232 of the inverter 12. Therefore, the portability of product use is greatly improved and the use scene is enriched.

The energy storage assembly 141 may include a battery (battery pack), a super capacitor, and other energy storage elements. In some embodiments, the operating voltage of the energy storage component 141 ranges from 12V to 16.8V. The energy storage device 14 is, for example, an energy storage element formed by a plurality of super capacitors, in one embodiment, the voltage of one super capacitor is 3V, and the energy storage components 141 can be formed by connecting a preset number of super capacitors in series, for example, four, five or six. Wherein, the energy storage device 14 can be used as an outdoor mobile power supply alone.

In some embodiments, the energy storage device 14 further includes a charge control circuit 143. After the energy storage device 14 is connected to a charger, the charging control circuit 143 can be used to perform charging management on the energy storage component 141, so as to implement constant-voltage and constant-current charging on the energy storage component 141.

In certain embodiments, the energy storage device 14 also includes Battery Management (BMS) circuitry 144. The battery management circuit 144 is used to determine the state of the energy storage component 141, for example, determine whether the energy storage component 141 is in an overcharge state, an overdischarge state, an overcurrent state, a short circuit state, an over-temperature state, an under-temperature state, and the like, and perform safety protection on each state. For example, it is determined that the energy storage component 141 is in an overcharged state, the control stops charging the energy storage component 141. And for example, if it is determined that the energy storage component 141 is in an over-discharge state, an over-current state, a short circuit state, an over-temperature state, an under-temperature state, or the like, the energy storage component 141 is controlled to stop discharging.

In certain embodiments, the energy storage device 14 further includes an energy storage device controller 145. Energy storage device controller 145 may be referred to as a drive plate. The driver board may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The energy storage device controller 145 may intelligently control the energy storage device 14, for example, the energy storage device controller 145 may receive the detection result of the detection unit 146 and output a corresponding control signal according to the detection result of the detection unit 146 to control the energy storage device 14 to operate.

The detection unit 146 is configured to detect an operating state of the energy storage device 14 to obtain a detection result. The detection unit 146 can be used for detecting voltage, current, temperature of the energy storage device 14, etc., and is not limited in particular. In one embodiment, it can be determined whether the energy storage component 141 is in a state of over-temperature, under-temperature, etc. according to the temperature of the energy storage device 14, so that the energy storage device controller 145 can perform safety protection on the energy storage component 141 through the battery management circuit 144.

In some embodiments, the energy storage device 14 further comprises a display module 147, and the display module 147 can be used to display the operating status or other information of the energy storage device 14. The information displayed by the display module 147 may facilitate the user to quickly and accurately grasp the relevant information of the energy storage device 14.

In some embodiments, the energy storage device 14 further includes a button 148. The energy storage device controller 145 is used to control the operating mode of the energy storage device 14 based on the state of the button 148. In this manner, the energy storage device 14 is enabled to perform more functions by the arrangement of the keys 148. In one embodiment, the energy storage device 14 may be powered on and off via the button 148. In another embodiment, the energy storage device 14 includes a lighting element, and the keys 148 may be used to control the lighting element, such as a light emitting diode or the like, to emit light to provide light to the user.

In some embodiments, the energy storage device 14 further includes a USB output circuit 1492, the USB output circuit 1492 being configured to convert the voltage of the energy storage component 141 into a USB output voltage.

In some embodiments, the energy storage device 14 also includes a type _ c circuit 1494, a type _ccircuit 1494 for converting the voltage of the energy storage component 141 into a type _ c output voltage.

In some embodiments, the energy storage device 14 further includes a dc output circuit 1496, and the dc output circuit 1496 is used for converting the voltage of the energy storage component 141 into a preset dc power.

In some embodiments, the energy storage device 14 further includes an electronic switch 1497 and a current output interface 1498, the electronic switch 1497 may include a high-power electronic switch, the current output interface 1498 is a high-current output interface, and the energy storage component 141 can directly output through the electronic switch 1497 and the current output interface 1498. The energy storage device 14 may be a starting power source, an emergency power source, etc., and the energy storage device 14 can be used to assist the vehicle in ignition. In one embodiment, the energy storage device 14 may supply power to the vehicle through the electronic switch 1497 and the current output interface 1498 to assist in achieving ignition.

In some embodiments, the energy storage device 14 further includes a cover 1499, where the cover 1499 may be configured to cover the output connector of the USB output circuit 1492, the output connector of the type _ c circuit 1494, the output connector of the dc output circuit 1496, the output connector of the electronic switch 1497, and the cigarette lighter socket 1421. When the input port 121 is connected to the cigarette lighter socket 1421, the cover 1499 on the cigarette lighter socket 1421 may be removed.

Referring to fig. 1, an energy storage system 10 according to an embodiment of the present invention includes an inverter 12 according to any one of the above embodiments and an energy storage device 14 according to any one of the above embodiments, where the energy storage device 14 is detachably connected to the inverter 12.

The utility model discloses the connection can be dismantled to inverter 12 and energy memory 14 of embodiment, consequently, physical separation can be realized to energy memory 14 and inverter 12, can finely solve different application scenes and use portability and nimble collocation problem. When the ac output function is not required, the energy storage device 14 is separated from the input port 121 of the inverter 12, and the energy storage device 14 can be used alone (wherein, the energy storage device 14 can be used alone as an outdoor mobile power source), so that the volume of the energy storage device 14 is reduced, and when the ac output function is required, the inverter 12 is connected to the energy storage device 14, so that the energy storage device 14 can output ac power through the ac output port 1232 of the inverter 12. Therefore, the portability of product use is greatly improved, and the use scene is enriched.

In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps in the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (12)

1. An inverter, characterized in that the inverter comprises:

the input port can be detachably connected with a connecting port of the energy storage device;

the inversion module is connected with the input port and is used for converting the direct current of the input port into alternating current;

the output port comprises an alternating current output port, and the alternating current output port is used for outputting the alternating current.

2. The inverter of claim 1, wherein the input port comprises a male cigarette lighter head, the energy storage device comprises a female cigarette lighter socket, and the male cigarette lighter head is removably coupled to the female cigarette lighter socket.

3. The inverter of claim 1, further comprising at least one of a USB module, a type _ c module, and a cigarette lighter module, wherein the USB module, the type _ c module, and the cigarette lighter module are connected to the input port; the output port further comprises at least one of a USB output port, a type _ c output port and a cigarette lighter female seat.

4. The inverter according to claim 1, further comprising a detection module, wherein the inversion module is connected to the input port through the detection module, and the detection module is configured to detect an operating state of the inverter to obtain a detection result, and the detection result is used to control the output port to output.

5. The inverter of claim 4, further comprising a controller, wherein the controller is connected to the detection module, and the controller is configured to control the output port to output according to the detection result.

6. The inverter of claim 5, wherein the output ports further comprise at least one of a USB output port, a type _ c output port, and a cigarette lighter socket, and the controller is configured to determine a total output power of the inverter according to the detection result, and control the output ports to turn off at least one load output when the total output power exceeds a preset power; and when the total output power is less than the preset power, recovering each path of load output again.

7. The inverter of claim 5, further comprising a voltage regulator circuit for converting the voltage at the input port to a predetermined voltage for operation of the controller.

8. The inverter of claim 4, wherein the detection module comprises at least one of a voltage detection unit, a current detection unit, and a temperature detection unit.

9. The inverter according to claim 1, wherein the inverter includes an inverter body and a rotor, the rotor is rotatable relative to the inverter body, the rotor includes the input port, the inverter body includes a connection surface on which the ac output port is provided, and the inverter module is provided in the inverter body; when the rotor rotates to the state of accomodating relative to the inverter body, the connection face with energy memory is inconsistent.

10. The energy storage device is characterized by comprising an energy storage assembly and a connecting port, wherein the connecting port can be detachably connected with an input port of an inverter, and the energy storage device outputs alternating current through the inverter.

11. The energy storage device of claim 10, further comprising a current output interface, wherein the energy storage assembly is connected to the current output interface, the current output interface is configured to be connected to a vehicle, and the energy storage assembly is capable of supplying power to the vehicle through the current output interface to assist with ignition.

12. An energy storage system, characterized in that the energy storage system comprises an inverter according to any one of claims 1-9 and an energy storage device according to claim 10 or 11, which energy storage device is detachably connectable to the inverter.

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