CN214380226U - Portable multifunctional mobile power supply - Google Patents
Portable multifunctional mobile power supply Download PDFInfo
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- CN214380226U CN214380226U CN202120431152.2U CN202120431152U CN214380226U CN 214380226 U CN214380226 U CN 214380226U CN 202120431152 U CN202120431152 U CN 202120431152U CN 214380226 U CN214380226 U CN 214380226U
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Abstract
The application discloses portable multi-functional portable power source relates to portable power source technical field. The charging device comprises a charging input interface, a storage battery with an input end connected with the charging input interface, a control unit with an input end connected with a current output end of the storage battery, a switch circuit with an input end connected with a current output end of the storage battery and an output end of the control unit, a resonance circuit with an input end connected with an output end of the switch circuit, a voltage distribution unit with an input end connected with an output end of the resonance circuit, and a load output interface with an input end connected with an output end of the voltage distribution unit; the control end of the resonance circuit and the control end of the voltage distribution unit are respectively connected with the input end of the control unit. The system has the advantages of reasonable unit design, good operation stability and convenience in operation and use; and this application can export the alternating current of multiple voltage class, generally satisfies multiple electric energy metering device's use, and the suitability is strong.
Description
Technical Field
The application relates to the technical field of mobile power supplies, in particular to a portable multifunctional mobile power supply.
Background
The power grid operator often carries out work such as meter reading, load control debugging, SIM card test, communication signal test or secondary test in the open air, needs portable power source to provide energy for these test metering devices when carrying out test operation.
The input voltage levels required by common test metering equipment are different, and the conventional mobile power supply can only output voltage of one level, so that the conventional mobile power supply has the problem that the conventional mobile power supply cannot meet the use requirements of various test metering equipment due to single output voltage level.
SUMMERY OF THE UTILITY MODEL
The application provides a portable multi-functional portable power source to there is the problem that should output voltage single grade and can not satisfy multiple test measurement equipment and use in current portable power source to solve.
The technical scheme adopted by the application is as follows:
a portable multifunctional mobile power supply comprises a charging input interface, a storage battery with an input end connected with the charging input interface, a control unit with an input end connected with a current output end of the storage battery, a switch circuit with an input end connected with the current output end of the storage battery and the output end of the control unit respectively, a resonance circuit with an input end connected with the output end of the switch circuit, a voltage distribution unit with an input end connected with the output end of the resonance circuit, and a load output interface with an input end connected with the output end of the voltage distribution unit;
and the control end of the resonant circuit and the control end of the voltage distribution unit are respectively connected with the input end of the control unit.
Further, the switching circuit includes an inverter that converts direct current output from the battery into alternating current.
Further, the resonant circuit comprises a band-pass filter, and a control end of the band-pass filter is connected with an input end of the control unit.
Further, the voltage distribution unit comprises a multi-winding step-up transformer, an input end of the multi-winding step-up transformer is connected with an output end of the resonant circuit, an output end of the multi-winding step-up transformer is connected with an input end of the load output interface, and a control end of the multi-winding step-up transformer is connected with the control unit.
Further, the output ends of the multi-winding step-up transformer comprise an alternating current 220V output end, an alternating current 100V output end and an alternating current 57.7V output end.
Furthermore, a battery protection circuit is connected between the storage battery and the output end of the charging input interface, the output end of the control unit is connected with the input end of the battery protection circuit, and the storage battery is a lithium battery.
The charging input interface, the fault indicator lamp connected with the output end of the control unit and the power indicator lamp connected with the output end of the control unit are mounted on the power supply shell; the power supply comprises a power supply shell, a load output interface and a power switch key, wherein the power supply shell is also provided with the load output interface, the input end of the load output interface is connected with the output end of the voltage distribution unit, and the output end of the load output interface is connected with the output end of the power switch key.
Further, the load output interface comprises an alternating current 220V test power output hole connected with the alternating current 220V output end, an alternating current 100V test power output hole connected with the alternating current 100V output end, and an alternating current 57.7V test power output hole connected with the alternating current 57.7V output end.
Further, the socket further comprises a spare socket hole with an input end connected with the alternating current 220V output end, and the spare socket hole is a three-hole socket or a USB interface.
Further, the control unit is a single chip microcomputer.
The technical scheme of the application has the following beneficial effects:
the system has the advantages of reasonable unit design, good operation stability and convenience in operation and use; the alternating current of various voltage grades can be output, the use of various electric energy metering devices is generally met, and the applicability is strong; and a standby socket hole is also arranged, so that a temporary power supply can be provided for electrical appliances such as field test instruments and meters.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a portable multifunctional mobile power supply according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a power supply housing of the portable multifunctional mobile power supply provided in the embodiment of the present application;
illustration of the drawings:
the device comprises a power supply shell, a charging input interface, a fault indicator light, a power supply indicator light, a power switch key, a 15-alternating current 220V testing power supply output hole, a 16-alternating current 100V testing power supply output hole, a 17-alternating current 57.7V testing power supply output hole, a 18-standby socket hole and a 19-cooling fan, wherein the power supply shell is arranged at the 1-charging input interface, the fault indicator light is arranged at the 12-fault indicator light, the power supply indicator light is arranged at the 13-alternating current power supply output hole, the power switch key is arranged at the 14-alternating current 220V testing power supply output hole, the 16-alternating current 100V testing power supply output hole is arranged at the 17-alternating current 57.7V testing power supply output hole, and the cooling fan is arranged at the 18-standby socket hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or device that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such product or device.
Referring to fig. 1, a schematic structural diagram of a portable multifunctional mobile power supply provided in an embodiment of the present application is shown; referring to fig. 2, a schematic diagram of a power supply housing of the portable multifunctional mobile power supply provided in the embodiment of the present application is shown.
The application provides a portable multi-functional portable power source, including charging input interface 11, the input and the battery that charging input interface 11 is connected, the control unit that the input is connected with battery current output, the input respectively with the battery output, the switch circuit that the control unit output is connected, the resonant circuit that the input is connected with the switch circuit output, the voltage distribution unit that the input is connected with the resonant circuit output, and the load output interface that the input is connected with voltage distribution unit output, the voltage of a plurality of different grades of load output interface exports. The output end of the storage battery is connected with the input end of the control unit and the input end of the switch circuit, and the storage battery can provide power for the control unit and the switch circuit.
The method specifically comprises the following steps:
the switching circuit includes an inverter capable of converting direct current output from the battery into alternating current.
The resonant circuit includes a band-pass filter that filters the alternating current output by the inverter into an alternating current having a power frequency sine wave.
The voltage distribution unit comprises a multi-winding boosting transformer, the input end of the multi-winding boosting transformer is connected with the output end of the resonant circuit, the output end of the multi-winding boosting transformer is connected with the input end of the load output interface, and the load output interface can output a plurality of voltages in different grades.
The control end of the band-pass filter and the control end of the multi-winding boosting transformer are respectively connected with the input end of the control unit and used for feeding back respective state information to the control unit.
The control unit is a single chip microcomputer programmed with a simple control program, the single chip microcomputer receives voltage state information sent by the band-pass filter and current state information sent by the multi-winding boosting transformer, and the multi-winding boosting transformer is debugged by controlling the conduction of the switch circuit according to the state information until the output voltage level of the load output interface is in accordance with expectations.
In an actual test action, the required input voltage of the test metering equipment is generally alternating current 220V, alternating current 100V test power supply output hole and alternating current 57.7V, so the control unit debugs the multi-winding step-up transformer by controlling the conduction of the switch circuit, and the voltage level of the output voltage is alternating current 220V, alternating current 100V test power supply output hole and alternating current 57.7V.
In order to prevent the storage battery from overcurrent, overvoltage or no load and the like during use, a battery protection circuit is further arranged. And a battery protection circuit is also connected between the storage battery and the output end of the charging input interface, and the output end of the control unit is connected with the input end of the battery protection circuit. The storage battery is a lithium battery. The lithium cell comprises 3 3200 mAh's lithium cell, also can increase and decrease the lithium cell as required, pegs graft at the input interface that charges by external 12V or 24V charging wire, and charges to lithium cell group under battery protection circuit's protection.
The portable multifunctional mobile power supply further comprises a power supply shell 1, and the storage battery, the control unit, the switch circuit, the resonance circuit and the voltage distribution unit are installed in the power supply shell 1. The power supply shell 1 is provided with a charging input interface 11, a fault indicator lamp 12 connected with the output end of the control unit and a power supply indicator lamp 13 connected with the output end of the control unit; the power supply shell 1 is also provided with a power switch key 14 and a load output interface, the input end of the power switch key 14 is connected with the output end of the voltage distribution unit, and the output end of the power switch key 14 is connected with the input end of the load output interface.
The load output interface comprises an alternating current 220V test power output hole 15 connected with an alternating current 220V output end, an alternating current 100V test power output hole 16 connected with an alternating current 100V output end and an alternating current 57.7V test power output hole 17 connected with an alternating current 57.7V output end.
The load output interface is banana plug female head, and output power cord one end is banana plug and pegs graft with the load output interface, and the output power cord other end is the crocodile mouth chuck, is connected with test metering device's input.
In order to meet the use requirements of other electronic equipment, such as a mobile phone, a computer and the like, a standby socket hole 18 is further arranged, an input end of the standby socket hole 18 is connected with an alternating current 220V output end, and the standby socket hole 18 is a three-hole socket or a USB interface and the like.
In addition, a cooling fan 19 and an electric shock prevention jack are further arranged in the debugging power supply shell in the embodiment of the application, and the power supply shell is made of an aluminum alloy material, so that the ventilation and heat dissipation performance is good.
The portable multifunctional mobile power supply provided by the embodiment of the application has the beneficial effects of reasonable unit design, good operation stability and convenience and quickness in operation and use; the alternating current of various voltage grades can be output, the use of various electric energy metering devices is generally met, and the applicability is strong; and a standby socket hole is also arranged, so that a temporary power supply can be provided for electrical appliances such as field test instruments and meters, mobile phones and computers.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (10)
1. A portable multifunctional mobile power supply is characterized by comprising a charging input interface (11), a storage battery with an input end connected with the charging input interface (11), a control unit with an input end connected with a current output end of the storage battery, a switch circuit with an input end connected with the current output end of the storage battery and the output end of the control unit respectively, a resonance circuit with an input end connected with the output end of the switch circuit, a voltage distribution unit with an input end connected with the output end of the resonance circuit, and a load output interface with an input end connected with the output end of the voltage distribution unit;
and the control end of the resonant circuit and the control end of the voltage distribution unit are respectively connected with the input end of the control unit.
2. The portable multifunctional mobile power supply of claim 1, wherein the switching circuit comprises an inverter that converts direct current output by the battery into alternating current.
3. The portable multifunctional mobile power supply of claim 1, wherein the resonant circuit comprises a band-pass filter, and a control terminal of the band-pass filter is connected to an input terminal of the control unit.
4. The portable multifunctional mobile power supply according to claim 1, wherein the voltage distribution unit comprises a multi-winding step-up transformer, an input terminal of the multi-winding step-up transformer is connected to an output terminal of the resonant circuit, an output terminal of the multi-winding step-up transformer is connected to an input terminal of the load output interface, and a control terminal of the multi-winding step-up transformer is connected to the control unit.
5. The portable multifunctional mobile power supply of claim 4, wherein the output terminals of the multi-winding step-up transformer comprise an AC 220V output terminal, an AC 100V output terminal, and an AC 57.7V output terminal.
6. The portable multifunctional mobile power supply of claim 1, wherein a battery protection circuit is further connected between the storage battery and the output terminal of the charging input interface, the output terminal of the control unit is connected to the input terminal of the battery protection circuit, and the storage battery is a lithium battery.
7. The portable multifunctional mobile power supply according to any one of claims 1 to 6, further comprising a power supply housing (1), wherein the power supply housing is provided with the charging input interface (11), a fault indicator lamp (12) connected with the output end of the control unit, and a power supply indicator lamp (13) connected with the output end of the control unit; the power supply comprises a power supply shell (1), and is characterized in that a power switch key (14) and a load output interface are further installed on the power supply shell (1), the input end of the power switch key (14) is connected with the output end of a voltage distribution unit, and the output end of the power switch key (14) is connected with the input end of the load output interface.
8. The portable multifunctional mobile power supply of claim 5, wherein the load output interface comprises an AC 220V test power output (15) connected to the AC 220V output, an AC 100V test power output (16) connected to the AC 100V output, and an AC 57.7V test power output (17) connected to the AC 57.7V output.
9. The portable multifunctional mobile power supply of claim 8, further comprising a spare socket hole (18) having an input terminal connected to the ac 220V output terminal, wherein the spare socket hole (18) is a three-hole socket or a USB interface.
10. The portable multifunctional mobile power supply of claim 9, wherein the control unit is a single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120431152.2U CN214380226U (en) | 2021-02-25 | 2021-02-25 | Portable multifunctional mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120431152.2U CN214380226U (en) | 2021-02-25 | 2021-02-25 | Portable multifunctional mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214380226U true CN214380226U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120431152.2U Active CN214380226U (en) | 2021-02-25 | 2021-02-25 | Portable multifunctional mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214380226U (en) |
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2021
- 2021-02-25 CN CN202120431152.2U patent/CN214380226U/en active Active
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