CN219564787U - Portable power supply device with charge-discharge conversion function - Google Patents
Portable power supply device with charge-discharge conversion function Download PDFInfo
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- CN219564787U CN219564787U CN202320496069.2U CN202320496069U CN219564787U CN 219564787 U CN219564787 U CN 219564787U CN 202320496069 U CN202320496069 U CN 202320496069U CN 219564787 U CN219564787 U CN 219564787U
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Abstract
The utility model belongs to the technical field of power supply devices, and particularly relates to a portable power supply device with a charge-discharge conversion function, which comprises a box body, wherein a bidirectional inverter, a charge-discharge conversion circuit and a transformer are arranged in the box body, and a power input connector, a power connector, an alternating current power output interface and a direct current power output interface are arranged on the box body.
Description
Technical Field
The utility model relates to the technical field of power supply devices, in particular to a portable power supply device with a charge-discharge conversion function.
Background
Electric vehicles such as electric vehicles, electric motorcycles, and electric assist bicycles are equipped with a battery as a secondary battery, and a motor is driven by the electric power of the battery.
As in chinese patent, publication No. CN214337613U, a high-efficiency vehicle battery charger is disclosed, which comprises a protection shell, the interior bottom wall of protection shell fixedly connects first motor, the output fixedly connected with first drive gear of first motor, one side meshing of first drive gear has first driven gear, the inner wall of first driven gear has pegged graft first pivot, the outer wall of first pivot has cup jointed first coil wheel, the interior bottom wall fixedly connected with second motor of protection shell, the output fixedly connected with second drive gear of second motor, one side meshing of second drive gear has second driven gear, the inner wall of second driven gear has pegged graft the second pivot, the outer wall of second pivot has cup jointed second coil wheel.
The battery charger has only a function of charging the battery, but has no other purpose, and does not have a function of enabling the power of the battery to be used in other devices different from the device to be supplied with the original power.
Disclosure of Invention
The utility model aims to provide a portable power supply device with a charge-discharge conversion function, which solves the problem of single function of the existing battery charger through a bidirectional inverter.
The purpose of the utility model is realized in the following way: a portable power supply device with charge-discharge conversion function comprises a box body, wherein a bidirectional inverter, a charge-discharge conversion circuit and a transformer are arranged in the box body;
the box body is provided with a power input connector and a power connector, the power connector is used for being connected with the storage battery pack, the power input connector is used for being connected with an alternating current power supply, and the alternating current power supply is rectified and output through the bidirectional inverter and then charges the storage battery pack through the power connector;
the box body is provided with an alternating current power supply output interface, the alternating current power supply output interface is used for connecting external alternating current load equipment, and a direct current power supply of the storage battery pack is converted into an alternating current power supply through a bidirectional inverter and then supplies power to the external alternating current load equipment;
the box body is provided with a direct current power supply output interface, the direct current power supply output interface is used for connecting external direct current load equipment, and the direct current power supply of the storage battery pack supplies power to the external direct current load equipment after being transformed by the transformer;
and the charge-discharge conversion circuit is used for controlling the charge, discharge and stop of the storage battery pack.
Preferably, the battery pack is provided with a connecting joint for connecting with an electric bicycle, the box body is provided with a waterproof cover, one side of the waterproof cover is rotatably connected with the box body, and the other side of the waterproof cover is detachably buckled with the waterproof box.
Preferably, a cooling fan is arranged in the box body, a cooling hole is formed in the side face of the box body, an electrostatic filter screen is arranged in the cooling hole, and a dust filter screen is arranged at one end of the electrostatic filter screen.
Preferably, the power connector comprises a socket body, three jacks are arranged on the socket body, the three jacks are respectively an anode jack, a cathode jack and a ground wire jack, the anode jack and the cathode jack are jacks which are vertically arranged, the ground wire jack is a T-shaped jack, a baffle integrally formed with the socket body is arranged in the vertical part of the T-shaped jack, the baffle enables the T-shaped jack to be a transverse jack, and the baffle can be punctured under the action of external force.
Preferably, the T-shaped jack is positioned on the ground wire plug bush, the ground wire plug bush is fixedly arranged on the socket body, and the baffle plate on the T-shaped jack and the ground wire plug bush are integrally formed.
Preferably, the positive jack is located on the positive plug bush, the positive plug bush is fixedly arranged on the socket body, the negative jack is located on the negative plug bush, and the negative plug bush is fixedly arranged on the socket body.
Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:
through the design of the bidirectional inverter, the device can be used as a charger for charging the storage battery and can be used as a power supply connection socket for connecting the storage battery with the storage battery, so that power is supplied to an external load, the battery can be converted between two purposes of being used as a power supply of an electric riding vehicle and being used as an energy storage power supply for supplying power to electric equipment, multiple functions are realized, the use scene of the battery of the electric riding vehicle is increased, and the use efficiency of the battery is improved.
Drawings
Fig. 1 is a schematic diagram of a power supply device.
Fig. 2 is a schematic circuit module structure.
Fig. 3 is a schematic structural view of the socket.
Fig. 4 is a schematic structural view of the socket after the socket pierces the blocking piece.
Reference numerals: 1-a box body; 2-a bi-directional inverter; a 3-charge-discharge conversion circuit; a 4-transformer; 5-a power input connector; 6-a power connector; 7-a battery pack; 8-an alternating current power supply output interface; 9-a direct current power supply output interface; 10-connecting joints; 11-a waterproof cover; 12-heat dissipation holes; 13-a socket body; 14-positive pole jack; 15-a negative electrode jack; 16-ground wire jack; 17-a baffle; 18-ground wire plug bush; 19-an anode plug bush; 20-negative electrode plug bush.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
A portable power supply device with charge-discharge conversion function comprises a box body 1, wherein a bidirectional inverter 2, a charge-discharge conversion circuit 3 and a transformer 4 are arranged in the box body 1;
the box body 1 is provided with a power input connector 5 and a power connector 6, the power connector 6 is used for being connected with a storage battery 7, the power input connector 5 is used for being connected with an alternating current power supply, the alternating current power supply is rectified and output by the bidirectional inverter 2 and then charges the storage battery 7 through the power connector 6, and at the moment, the device is used as a charger of the storage battery;
the box body 1 is provided with an alternating current power output interface 8, the alternating current power output interface 8 is used for connecting external alternating current load equipment, and after the direct current power of the storage battery pack 7 is converted into alternating current power through the bidirectional inverter 2, the alternating current power can supply power for the external alternating current load equipment, such as an electromagnetic oven and an electric cooker;
the box body 1 is provided with a direct current power supply output interface 9, the direct current power supply output interface 9 is used for connecting external direct current load equipment, and the direct current power supply of the storage battery pack 7 supplies power to the external direct current load equipment after being transformed by the transformer 4, such as a mobile phone, a wireless earphone and the like for charging;
the charge-discharge conversion circuit 3 is used for controlling the charge, discharge and stop of the storage battery 7, in the actual use process, when the power supply device is used for respectively connecting the mains supply and the storage battery 7, the alternating current and direct current power supply output interfaces are automatically turned off to ensure that the power supply can not be provided for external loads, the normal work of charge is ensured, the service life of the storage battery is prolonged, the charge-discharge conversion circuit 3 controls the charge, discharge and stop functions of the storage battery 7, automatic control can be realized, manual operation can also be carried out through setting a button, and the circuit structure of the charge-discharge conversion circuit 3 is the prior art, so that the specific structure and the working principle thereof are not repeated in detail.
The bidirectional inverter is an inverter capable of converting direct current into alternating current or converting alternating current into direct current, and is a prior art, and the circuit structure related to the utility model is a prior art, so that the specific structure and the working principle thereof are not described in detail herein.
When the power supply device is only connected with the storage battery, the AC power supply output interface and the DC power supply output interface are conducted, and the external load can be normally used by inserting the AC power supply output interface and the DC power supply output interface.
Through the design of the bidirectional inverter, the device can be used as a charger for charging the storage battery and can be used as a power supply connection socket for connecting the storage battery with the storage battery, so that power is supplied to an external load, the battery can be converted between two purposes of being used as a power supply of an electric riding vehicle and being used as an energy storage power supply for supplying power to electric equipment, multiple functions are realized, the use scene of the battery of the electric riding vehicle is increased, and the use efficiency of the battery is improved.
Be provided with the attach fitting 10 that is used for being connected with electric bicycle on the storage battery 7, the normal use of storage battery 7 is to electric bicycle's motor power supply, install waterproof cover 11 on the box body 1, one side and the box body 1 rotatable coupling of waterproof cover 11, the buckle is dismantled with waterproof box to the opposite side of waterproof cover 11 and is connected, when not using, can seal output interface through waterproof box, prevents that the dust from getting into inside, influences the normal work of electronic components.
Be provided with radiator fan in the box body 1, radiator hole 12 has been seted up to the side of box body 1, can improve the radiating effect through radiator fan, reduces the temperature of inside components and parts, makes it keep normal operating, installs the setting of static filter screen in the radiator hole 12, can play better effect of filtering static, avoids too much absorption dust of static, perhaps causes the static harm, through the setting of dust filter screen, can avoid in the dust entering device in the outside air, corrodes this device.
The power connector 6 comprises a socket body 13, three jacks are arranged on the socket body 13, the three jacks are respectively an anode jack 14, a cathode jack 15 and a ground wire jack 16, the anode jack 14 and the cathode jack 15 are jacks arranged vertically, the ground wire jack 16 is a T-shaped jack, a baffle 17 integrally formed with the socket body 13 is arranged in the vertical part of the T-shaped jack, the baffle 17 enables the T-shaped jack to be a transverse jack, the baffle 17 can be punctured under the action of external force, when the ground wire jack on the plug is arranged transversely, the plug is directly inserted into the transverse jack formed by shielding by the baffle, when the ground wire jack on the plug is arranged vertically, the ground wire jack is inserted with force, so that the plug is propped against the baffle to form a vertical insertion channel, the power connector is suitable for ground wires arranged vertically and transversely, and has strong universality and convenient use.
The thickness of the baffle 17 is 0.40 plus or minus 0.05mm for facilitating the use by puncturing the baffle.
The T-shaped jack is positioned on the ground wire plug bush 18, the ground wire plug bush 18 is fixedly arranged on the socket body 13, and the baffle 17 on the T-shaped jack and the ground wire plug bush 18 are integrally formed.
The positive jack 14 is located on the positive plug bush 19, the positive plug bush 19 is fixedly arranged on the socket body 13, the negative jack 15 is located on the negative plug bush 20, the negative plug bush 20 is fixedly arranged on the socket body 13, and the ground wire plug bush 18, the positive plug bush 19 and the negative plug bush 20 are made of plastic and rubber materials and are convenient to assemble.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The portable power supply device with the charge-discharge conversion function is characterized by comprising a box body (1), wherein a bidirectional inverter (2), a charge-discharge conversion circuit (3) and a transformer (4) are arranged in the box body (1);
the box body (1) is provided with a power input connector (5) and a power connector (6), the power connector (6) is used for being connected with a storage battery pack (7), the power input connector (5) is used for being connected with an alternating current power supply, and the alternating current power supply is rectified and output through the bidirectional inverter (2) and then charges the storage battery pack (7) through the power connector (6);
an alternating current power supply output interface (8) is arranged on the box body (1), the alternating current power supply output interface (8) is used for being connected with external alternating current load equipment, and a direct current power supply of the storage battery pack (7) is converted into an alternating current power supply through the bidirectional inverter (2) to supply power for the external alternating current load equipment;
the box body (1) is provided with a direct current power supply output interface (9), the direct current power supply output interface (9) is used for being connected with external direct current load equipment, and a direct current power supply of the storage battery pack (7) supplies power to the external direct current load equipment after being transformed by the transformer (4);
and the charge-discharge conversion circuit (3) is used for controlling the charge, the discharge and the stop of the storage battery pack (7).
2. The portable power supply device with charge-discharge conversion function according to claim 1, characterized in that: the electric bicycle is characterized in that a connecting joint (10) used for being connected with the electric bicycle is arranged on the storage battery pack (7), a waterproof cover (11) is arranged on the box body (1), one side of the waterproof cover (11) is rotatably connected with the box body (1), and the other side of the waterproof cover (11) is detachably buckled with the waterproof box.
3. The portable power supply device with charge-discharge conversion function according to claim 1, characterized in that: a cooling fan is arranged in the box body (1), a cooling hole (12) is formed in the side face of the box body (1), an electrostatic filter screen is arranged in the cooling hole (12), and a dust filter screen is arranged at one end of the electrostatic filter screen.
4. The portable power supply device with charge-discharge conversion function according to claim 1, characterized in that: the power connector (6) comprises a socket body (13), wherein three jacks are arranged on the socket body (13), the three jacks are respectively a positive jack (14), a negative jack (15) and a ground wire jack (16), the positive jack (14) and the negative jack (15) are vertically arranged jacks, the ground wire jack (16) is a T-shaped jack, a baffle (17) integrally formed with the socket body (13) is arranged in the vertical part of the T-shaped jack, the baffle (17) enables the T-shaped jack to be a transverse jack, and the baffle (17) can be punctured under the action of external force.
5. The portable power supply device with charge-discharge conversion function according to claim 4, characterized in that: the T-shaped jack is positioned on the ground wire plug bush (18), the ground wire plug bush (18) is fixedly arranged on the socket body (13), and the baffle (17) on the T-shaped jack and the ground wire plug bush (18) are integrally formed.
6. The portable power supply device with charge-discharge conversion function according to claim 4, characterized in that: the positive electrode jack (14) is located on the positive electrode plug bush (19), the positive electrode plug bush (19) is fixedly arranged on the socket body (13), the negative electrode jack (15) is located on the negative electrode plug bush (20), and the negative electrode plug bush (20) is fixedly arranged on the socket body (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496069.2U CN219564787U (en) | 2023-03-11 | 2023-03-11 | Portable power supply device with charge-discharge conversion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496069.2U CN219564787U (en) | 2023-03-11 | 2023-03-11 | Portable power supply device with charge-discharge conversion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219564787U true CN219564787U (en) | 2023-08-22 |
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ID=87653541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320496069.2U Active CN219564787U (en) | 2023-03-11 | 2023-03-11 | Portable power supply device with charge-discharge conversion function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219564787U (en) |
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2023
- 2023-03-11 CN CN202320496069.2U patent/CN219564787U/en active Active
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