CN218549002U

CN218549002U - Emergency energy storage equipment with charging connector

Info

Publication number: CN218549002U
Application number: CN202222286736.2U
Authority: CN
Inventors: 邓勇明; 陈雄伟
Original assignee: Shenzhen Cpkd Technology Co ltd
Current assignee: Shenzhen Cpkd Technology Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-02-28
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses an emergent energy storage equipment of joint charges in area, including emergent energy storage equipment main part, the subassembly that charges, battery, automatic spiral subassembly, input assembly and shield. The battery is arranged in the emergency energy storage equipment main body and is connected with the output end of the charging assembly; the automatic winding assembly is arranged in the emergency energy storage equipment main body; the input assembly comprises an input line and a charging connector, a first end of the input line is connected with an input end of the charging assembly, a second end of the input line is connected with the charging connector, the input line is arranged in the automatic winding assembly, the charging connector extends out of the input opening, and the automatic winding assembly is used for winding or unwinding the input line so that the charging connector can move between an extending position and a retracting position relative to the emergency energy storage device body; shield and emergent energy storage equipment main part swing joint to cover/show the joint that charges the utility model provides the convenience that emergent energy storage equipment used is improved.

Description

Emergency energy storage equipment with charging connector

Technical Field

The utility model relates to an emergent energy storage power supply technical field, in particular to take emergent energy storage equipment of joint that charges.

Background

All can set up the mouth that charges of interchange on the emergent energy storage equipment at present, the user only need insert the mouth that charges of interchange with supporting charging wire one end, and the socket is inserted to the other end, just can realize charging the battery in the emergent energy storage equipment. But the user when using emergent energy storage equipment outward, if forgotten to carry the charging wire, that just can't charge for emergent energy storage equipment to the socket, has caused the inconvenience of user's use emergent energy storage equipment outward.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an emergent energy storage equipment of joint charges in area aims at improving the convenience that emergent energy storage equipment used.

Therefore, the utility model provides a take emergent energy storage equipment of joint that charges, include:

the emergency energy storage device comprises an emergency energy storage device main body, a control unit and a control unit, wherein the emergency energy storage device main body is provided with an input opening;

the charging assembly is arranged in the emergency energy storage equipment main body;

the battery is arranged in the emergency energy storage equipment main body and is connected with the output end of the charging assembly;

the automatic winding assembly is arranged in the emergency energy storage equipment main body;

an input assembly including an input line and a charging connector, a first end of the input line being connected to an input end of the charging assembly, a second end of the input line being connected to the charging connector, the input line being disposed within the automatic take-up assembly, the charging connector being disposed to protrude out of the input opening, the automatic take-up assembly being configured to take up or pay out the input line so that the charging connector is movable between an extended position and a retracted position relative to the emergency energy storage device body;

the dustproof cover is movably connected with the emergency energy storage equipment main body so as to cover/expose the charging connector;

the charging connector is used for accessing alternating current voltage; the charging assembly is used for converting the alternating voltage and then outputting charging voltage to the battery so as to charge the battery.

Optionally, the automatic wire reeling assembly includes:

the shell is provided with a first wire outlet from which a first end of the input wire extends and a second wire outlet from which a second end of the input wire extends;

a stationary shaft disposed within the housing;

the winding roll is rotatably sleeved outside the fixed shaft at intervals, and the input line can be wound on the peripheral wall of the winding roll in a retractable manner;

the elastic coil spring is arranged between the fixed shaft and the winding roll and is wound outside the fixed shaft, one end of the elastic coil spring is fixedly connected with the fixed shaft, and the other end of the elastic coil spring is fixedly connected to the winding roll;

a self-locking structure disposed within the housing, the self-locking structure being capable of locking/unlocking the input line;

when the charging connector is in the extending position, the elastic coil spring has elastic potential energy, so that when the self-locking structure releases the input line, the winding roll has a tendency of winding up, and the charging connector has a tendency of moving to the retracting position.

Optionally, the self-locking structure is a ratchet.

Optionally, the input assembly further comprises a rotating circuit board and a fixed circuit board; the rotating circuit board is fixedly arranged on the end face of the winding roll, the fixed circuit board is fixedly sleeved on the fixed shaft and arranged opposite to the rotating circuit board, a power supply electrode is arranged on the rotating circuit board and a power supply bonding pad is arranged on the fixed circuit board, and when the winding roll rotates relative to the fixed shaft, the power supply electrode is always in contact with and conducted on the power supply bonding pad;

the input lines include a first sub-input line and a second sub-input line;

the first sub input line is wound on the winding roll, and a first opening is formed in the winding roll; the second end of the first sub input line is a first end of the input line, and the first end of the first sub input line passes through the first opening to be electrically connected with the power supply electrode on the rotating circuit board;

the first end of the second sub input line is a first end of the input line, and the second end of the second sub input line is electrically connected with the power pad on the fixed circuit board.

Optionally, the input opening part of emergent energy storage equipment main part is provided with the screw thread portion that stretches out emergent energy storage equipment main part, the shield with emergent energy storage equipment main part passes through screw thread portion can dismantle the connection.

Optionally, one end of the dust cover is rotatably connected with the emergency energy storage device main body between a first position and a second position, and when the dust cover is located at the second position, the charging connector is covered.

Optionally, the charging assembly includes:

a rectifier circuit, an input end of the rectifier circuit being connected to a first end of the input line;

the input end of the direct current conversion circuit is connected with the output end of the rectification circuit;

and the input end of the charging management circuit is connected with the output end of the direct current conversion circuit, and the output end of the charging management circuit is electrically connected with the battery.

The rectifying circuit is used for rectifying the alternating-current voltage and then outputting a first direct-current voltage;

the direct current conversion circuit is used for performing voltage conversion on the first direct current voltage and outputting a second direct current voltage;

the charging management circuit is used for converting the second direct-current voltage and then outputting the charging voltage to the battery so as to charge the battery.

The utility model discloses take emergent energy storage equipment of joint that charges includes emergent energy storage equipment main part, the subassembly charges, a battery, automatic spiral subassembly, input assembly and shield, automatic spiral subassembly is used for coiling or unwrapping wire the input line, so that the joint that charges can be movable between the stretching out position and the withdrawal position for emergent energy storage equipment main part, shield and emergent energy storage equipment main part swing joint, in order to cover/show the joint that charges, the joint that charges is used for inserting alternating voltage, the subassembly that charges, be used for carrying out output charging voltage to battery after the voltage conversion with alternating voltage, charge for the battery. So, in practical application, the user no longer need carry the charging wire of emergent energy storage equipment adaptation specially, only need pull out the joint and the socket that insert that charge from taking on the emergent energy storage equipment, just can realize charging to emergent energy storage equipment, has improved the convenience that emergent energy storage equipment used effectively and user's use experience sense. And after charging, the joint that charges can also retract initial for the retract position shield it to prevent that external environment from causing the influence to the joint that charges, and then guaranteed the reliability that emergency energy storage equipment used.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of an emergency energy storage device with a charging connector according to the present invention;

fig. 2 is a schematic structural diagram of another embodiment of the emergency energy storage device with a charging connector according to the present invention;

fig. 3 is a schematic structural diagram of an emergency energy storage device with a charging connector according to another embodiment of the present invention;

fig. 4 is a functional block diagram of an emergency energy storage device with a charging connector according to another embodiment of the present invention;

fig. 5 is a schematic structural diagram of another embodiment of the emergency energy storage device with a charging connector according to the present invention;

fig. 5A is a schematic structural view of an end surface of a winding roll in another embodiment of the emergency energy storage device with a charging connector of the present invention;

fig. 5B is a schematic structural view of another end surface of the winding roll in another embodiment of the emergency energy storage device with a charging connector according to the present invention;

fig. 5C is a schematic structural diagram of a fixing circuit board in another embodiment of the emergency energy storage device with a charging connector of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Therefore, the utility model provides an emergent energy storage equipment of joint 22 charges in area the utility model relates to an in the embodiment, refer to fig. 1, the emergent energy storage equipment of joint 22 that charges in area includes:

the emergency energy storage device comprises an emergency energy storage device body 00, wherein the emergency energy storage device body 00 is provided with an input opening 11;

the charging assembly 10 is arranged in the emergency energy storage device main body 00;

the battery 40 is arranged in the emergency energy storage device body 00, and the battery 40 is connected with the output end of the charging assembly 10;

the automatic winding assembly 20 is arranged in the emergency energy storage device main body 00;

an input assembly including an input line 21 and a charging connector 22, a first end of the input line 21 is connected to an input end of the charging assembly 10, a second end of the input line 21 is connected to the charging connector 22, the input line 21 is disposed in the automatic winding assembly 20, the charging connector 22 is disposed to protrude out of the input opening 11, the automatic winding assembly 20 is configured to wind or unwind the input line 21 so that the charging connector 22 can move between an extended position and a retracted position with respect to the emergency energy storage device body 00;

the dust cover 30 is movably connected with the emergency energy storage device main body 00, so that the charging connector 22 is covered/exposed;

the charging connector 22 is used for connecting an alternating voltage; the charging assembly 10 is configured to output a charging voltage to the battery 40 after performing voltage conversion on the alternating-current voltage, so as to charge the battery 40.

In this embodiment, input line 21 can adopt many electric connecting wires and soft sleeve pipe to constitute, and many electric connecting wires are insulating each other to be set up in soft sleeve pipe, and input line 21 twines in automatic spiral subassembly 20, and the first end of many electric connecting wires, input line 21's first end promptly pass input opening 11 and charge and connect the welding of the last corresponding power supply pin of 22. A second end of the plurality of electrical connection lines, i.e., the second end of the input line 21, is electrically connected to the input terminal of the charging assembly 10. In this way, when the charging connector 22 is inserted into a socket to receive the ac voltage of the utility power, the charging assembly 10 can convert the ac voltage and output the charging voltage to the battery 40, so as to charge the battery 40. In this embodiment, the charging connector 22 may be implemented by a three-pin charging connector or a two-pin charging connector to adapt to different interface types of sockets.

It is understood that, in another embodiment, the number of the charging connectors 22 may be multiple, the same power pins in the multiple charging connectors 22 are connected in parallel with each other and are respectively connected with the second end of the input line 21, and the structural type of each charging connector 22 is different, for example, the number of the charging connectors 22 is three, and the charging connectors are respectively a japanese standard two-pin connector, a american standard two-pin connector 22, and a national standard two-pin connector 22. Therefore, the socket can be adapted to be inserted into sockets with different specifications.

In this embodiment, the retracted position may be a position where the charging connector 22 is tightly attached to the outer wall of the emergency energy storage device body 00, and the extended position may be a position where the user pulls the charging connector 22 and the charging connector 22 is located when the extension length of the input line 21 reaches the limit. Referring to fig. 1 to 5, the automatic line reeling assembly 20 includes:

a housing 210, wherein the housing 210 is provided with a first outlet from which a first end of the input line 21 extends and a second outlet from which a second end of the input line 21 extends;

a fixed shaft disposed in the housing 210;

a winding roll 230 rotatably sleeved outside the fixed shaft at intervals, and the input line 21 can be wound around the peripheral wall 233 of the winding roll 230 in a retractable manner;

an elastic coil spring 220, the elastic coil spring 220 is arranged between the fixed shaft and the winding roll 230 and is wound outside the fixed shaft, one end of the elastic coil spring 220 is fixedly connected with the fixed shaft, and the other end is fixedly connected with the winding roll 230;

a self-locking structure disposed in the housing 210, the self-locking structure being capable of locking/unlocking the input line 21;

when the charging connector 22 is in the extended position, the elastic coil spring 220 has elastic potential energy, so that when the self-locking structure releases the input wire 21, the wire winding roll 230 has a tendency to take up wires, so that the charging connector 22 has a tendency to move to the retracted position.

Optionally, in this embodiment, the input assembly further includes a rotating circuit board 250 and a fixed circuit board 260; the rotating circuit board 250 is fixedly arranged on the end face of the winding roll 230, the fixed circuit board 260 is fixedly sleeved on the fixed shaft and is arranged opposite to the rotating circuit board 250, a power supply electrode is arranged on the rotating circuit board 250 on the side opposite to the fixed circuit board 260, a power supply bonding pad is arranged on the fixed circuit board 260, and when the winding roll 230 rotates relative to the fixed shaft, the power supply electrode is always in contact with and conducted on the power supply bonding pad;

the input line 21 includes a first sub-input line 211 and a second sub-input line 212;

the first sub input line 211 is wound on the winding roll 230, and the winding roll 230 is further provided with a first opening; the second end of the first sub input line 211 is the first end of the input line 21, and the first end of the first sub input line 211 passes through the first opening to be electrically connected to the power supply electrode on the rotating circuit board 250;

the first end of the second sub input line 212 is a first end of the input line 21, and the second end of the second sub input line 212 is electrically connected to a power pad on the fixed circuit board 260.

Specifically, referring to fig. 5A, 5B and 5C, a fixing hole 231 is provided at a central position of the winding roll 230, the fixing hole 231 penetrates a fixing shaft provided in the housing 210 to fix the winding roll 230 in the housing 210, since the winding roll 230 is spaced and sleeved on the fixing shaft, the elastic coil spring 220 is provided between the fixing shaft and the winding roll 230, i.e., between the inner circumferential wall of the winding roll 230 and the fixing shaft, one end of the elastic coil spring 220 is fixedly connected to the fixing shaft, e.g., glued, welded, and snapped and fixed to the fixing shaft, the elastic coil spring 220 is wound on the fixing shaft layer by layer, the other end of the elastic coil spring 220 is fixedly connected to the inner circumferential wall of the winding roll 230, and the first sub input line 211 is wound on the outer circumferential wall 233 of the winding roll 230. Thus, when the user pulls the charging connector 22, the charging connector 22 drives the first sub input line 211 to extend out of the winding reel 230, the winding reel 230 is driven to rotate clockwise around the fixed shaft, and at this time, the inner peripheral wall of the winding reel 230 also rotates clockwise, because the winding directions of the elastic coil spring 220 and the first sub input line 211 are the same and the fixed shaft is stationary, i.e., one end of the elastic coil spring 220 is stationary, when the inner peripheral wall of the winding reel 230 rotates clockwise, the elastic coil spring 220 is tightened, so that the elastic coil spring 220 starts to accumulate elastic potential energy. It can be understood that, in this embodiment, the self-locking structure is a ratchet wheel, the ratchet wheel may be an automatic ratchet wheel, the automatic ratchet wheel may be disposed in the housing 210 at a position close to the second end of the first sub input line 211, that is, a position where the first sub input line 211 is connected to the input connector, when the user stops pulling out the charging connector 22, the automatic ratchet wheel may clamp the first sub input line 211 to display a length of the first sub input line 211 extending out of the winding reel 230, and when the user slightly pulls the charging connector 22 once more, the automatic ratchet wheel may release the first sub input line 211. At this time, if the user releases his/her hand, the elastic coil spring 220 releases its elastic potential energy, so as to drive the winding reel 230 to rotate counterclockwise to retract the first sub input line 211, so that the charging connector 22 retracts to the retracted position.

Referring to fig. 5B and 5C, as can be seen from the above, the input line 21 is composed of a plurality of electrical connection lines, and the input line 21 further includes a data line skin, and the plurality of electrical connection lines are wrapped by the data line skin. In the present embodiment, the input line 21 includes an ac positive line and an ac negative line, that is, the first sub input line 211 includes an ac positive line and an ac negative line, the second sub input line 212 includes an ac positive line and an ac negative line, the input connector includes a power positive terminal and a power negative terminal, the second terminal of the ac positive line in the first sub input line 211 is connected to the power positive terminal of the input connector, and the second terminal of the ac negative line in the first sub input line 211 is connected to the power negative terminal of the input connector. It is understood that a through hole is further provided on the winding roll 230, and the first end of the first sub input line 211 is electrically connected to the rotating circuit board 250 provided on the end surface of the winding roll 230 after passing through the through hole. It can be understood that a fixed circuit board 260 and a rotating circuit board 250 are further oppositely disposed between the winding roll 230 and the inner wall of the housing 210, the fixed circuit board 260 is also provided at a center position thereof with a via hole to pass through the fixed shaft, the rotating circuit board 250 is fixedly disposed on the end surface of the winding roll 230, and is provided at a center position thereof with a via hole and coincides with the position of the fixing hole 231 of the winding roll 230. The rotating circuit board 250 is provided with a plurality of power positive electrodes 252 and a plurality of power negative electrodes 251, the number of the power positive electrodes 252 may be multiple and connected in parallel with each other, the number of the power negative electrodes may also be multiple and connected in parallel with each other, the power positive electrodes 252 are electrically connected with the first ends of the alternating current positive lines in the first sub input lines 211 by welding, and the power negative electrodes 251 are electrically connected with the first ends of the alternating current negative lines in the first sub input lines 211 by welding. Alternatively, the positive power supply electrode 252 and the negative power supply electrode 251 may be implemented by pogo pins. The fixed shaft can be fixed on the fixed circuit board 260 and two circular-ring-shaped pads are arranged on the fixed circuit board as a central line, the two circular-ring-shaped pads comprise a power supply positive pad 262 and a power supply negative pad 261, a plurality of through holes are formed in the two pads, the power supply positive pad 262 can be connected with the second end of the alternating current positive line in the second sub input line 212 in a welding mode through the through holes, and the power supply negative pad 261 can be connected with the second end of the alternating current negative line in the second sub input line 212 in a welding mode through the through holes. Thus, in the process of rotation of the winding roll 230, the rotating circuit board 250 is driven to rotate around the fixed shaft, so that the power positive electrode 252 always moves on the power positive bonding pad 262, which is a circular bonding pad, to maintain the electrical connection with the power positive bonding pad 262. Similarly, during the rotation, the power supply negative electrode 251 also moves on the power supply negative pad 261 which is an annular pad all the time, so as to maintain the electrical connection state with the power supply negative pad 261. That is, the first end of the ac positive line in the first sub input line 211 and the second end of the ac positive line in the second sub input line 212 are electrically connected at a moment, and the first end of the ac negative line in the first sub input line 211 and the second end of the ac negative line in the second sub input line 212 are electrically connected at a moment. Since the first end of the ac positive line of the second sub input line 212 is connected to the power supply positive output terminal of the charging assembly 10, the first end of the ac negative line of the second sub input line 212 is connected to the power supply negative output terminal of the charging assembly 10. Thus, in practical applications, the ac voltage connected to the charging connector 22 is transmitted to the charging assembly 10 through the first sub input line 211, the rotating circuit board 250, the fixed circuit board 260, and the second sub input line 212 of the charging assembly 10, so as to charge the battery 40 of the outdoor energy storage device after the user pulls out the input connector and inserts the input connector into the socket.

It should be understood that, because the emergency energy storage device is often used in the field or in a non-indoor environment, in order to prevent foreign objects from damaging the extended charging connector 22 or to prevent the external environment from affecting the charging connector 22, for example, the charging connector 22 is wetted in a rainy day. The utility model discloses still include a shield 30, shield 30 can with emergent energy storage equipment main part 00 swing joint, need not to use when the user charges joint 22, can cover the joint 22 that charges to the protection charges joint 22. When the user needs to use the charging connector 22, the dust cover 30 is moved to expose the charging connector 22, so that the user can pull out the charging connector 22.

Optionally, referring to fig. 2, a threaded portion extending out of the emergency energy storage device main body 00 is disposed at the input opening 11 of the emergency energy storage device main body 00, and the dust cap 30 is detachably connected to the emergency energy storage device main body 00 through the threaded portion. In this embodiment, screw thread portion is a surface and sets up the screwed drum, and the drum is inside hollow structure, the one end of drum and the outer wall fixed connection of emergency energy storage equipment main part 00, and the joint 22 that charges sets up inside the drum, and the joint 22 that charges can stretch out the other end of drum slightly when the withdrawal position to the user of being convenient for pulls out it. The inside of the dust cap 30 is provided with a thread corresponding to the thread on the threaded portion, and when the user does not need to use the charging connector 22, the dust cap 30 can be screwed on the threaded portion along the thread, so that the dust cap 30 is fixedly connected with the threaded portion, and the other end of the cylinder of the threaded portion is just covered to cover the charging connector 22. When the user needs to use the charging connector 22, the dust cover 30 can be unscrewed to expose the charging connector 22.

Alternatively, referring to fig. 3, in another embodiment, one end of the dust cover 30 is rotatably connected to the emergency energy storage device body 00 between the first position and the second position, and covers the charging connector 22 when the dust cover 30 is in the second position.

In this embodiment, a hinge portion may be further disposed on the outer wall of the emergency energy storage device main body 00, and the hinge portion is fixedly connected to one end of the dust cover 30, so that the dust cover 30 can be rotatably connected between the first position and the second position relative to the emergency energy storage device main body 00 through the hinge portion. Wherein, be provided with the inner chamber in the shield 30, when shield 30 was in the primary importance, shield 30 can just in time hug closely and will charge joint 22 and set up in the inner chamber with emergent energy storage equipment main part 00 to cover the joint 22 that charges, in order to protect the joint 22 that charges. When dust cover 30 is in the second position, the user may pull out charging connector 22.

The utility model discloses take emergent energy storage equipment of joint 22 that charges includes emergent energy storage equipment main part 00, the subassembly 10 charges, battery 40, automatic spiral subassembly 20, input module and shield 30, automatic spiral subassembly 20 is used for coiling or unwrapping wire to input line 21, so that the joint 22 that charges can be for emergent energy storage equipment main part 00 stretch out the position and the withdrawal position between the activity, shield 30 and emergent energy storage equipment main part 00 swing joint, in order to cover/show the joint 22 that charges, the joint 22 that charges is used for inserting alternating voltage, the subassembly 10 charges, be used for carrying out output charging voltage after the voltage conversion to battery 40 with alternating voltage, charge for battery 40. So, in practical application, the user no longer need carry the charging wire of emergent energy storage equipment adaptation specially, only need pull out on the emergent energy storage equipment from the joint 22 that charges and insert the socket of taking, just can realize charging to emergent energy storage equipment, has improved the convenience that emergent energy storage equipment used effectively and has experienced the sense with user's use. And after charging, the joint 22 that charges can also retract the originated shield 30 for the withdrawal position and cover it to prevent that external environment from causing the influence to the joint 22 that charges, and then guaranteed the reliability that emergency energy storage equipment used.

Referring to fig. 4, in an embodiment of the present invention, the emergency energy storage device with the charging connector 22 further includes:

a rectifier circuit 101, an input end of the rectifier circuit 101 being connected to a first end of the input line 21;

the input end of the direct current conversion circuit 102 is connected with the output end of the rectification circuit 101;

and a charging management circuit 103, wherein an input end of the charging management circuit 103 is connected with an output end of the direct current conversion circuit 102, and an output end of the charging management circuit 103 is electrically connected with the battery 40.

The rectifying circuit 101 is configured to rectify the ac voltage and output a first dc voltage;

the dc conversion circuit 102 is configured to perform voltage conversion on the first dc voltage and output a second dc voltage;

the charging management circuit 103 is configured to output the charging voltage to the battery 40 after performing voltage conversion on the second direct-current voltage, so as to charge the battery 40.

In this embodiment, the battery 40 may be a lithium battery 40 set, and optionally, the rectifier circuit 101 may be implemented by a rectifier chip or a rectifier circuit 101 composed of four diodes, so as to output the first direct-current voltage after rectifying the alternating-current voltage received by the charging connector 22. Optionally, the direct current conversion circuit 102 may be implemented by using a DC/DC chip and a peripheral circuit thereof, an LLC voltage conversion circuit, a transformer, and the like, and it can be understood that, because the voltage ratio of the accessed alternating current voltage is higher, for example, 220V mains voltage, in order to meet the requirement of the input voltage of the charging management circuit 103, the direct current conversion circuit 102 may perform voltage reduction conversion on the first direct current voltage and then output a second direct current voltage to the input terminal of the charging management circuit 103. Optionally, the charging management circuit 103 may be implemented by a charging management IC and peripheral circuits thereof, and the charging management circuit 103 may perform voltage conversion on the input second direct-current voltage and output the charging voltage to the battery 40 to charge the battery 40.

The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. An emergency energy storage device with a charging connector, comprising:

2. The emergency energy storage device with charging connector of claim 1, wherein the automatic line reeling assembly comprises:

a stationary shaft disposed within the housing;

3. The emergency energy storage device with the charging connector according to claim 2, wherein the self-locking structure is configured as a ratchet.

4. The emergency energy storage device with charging connector of claim 3, wherein said input assembly further comprises a rotating circuit board and a fixed circuit board; the rotating circuit board is fixedly arranged on the end face of the winding roll, the fixed circuit board is fixedly sleeved on the fixed shaft and arranged opposite to the rotating circuit board, a power supply electrode is arranged on the rotating circuit board and a power supply bonding pad is arranged on the fixed circuit board, and when the winding roll rotates relative to the fixed shaft, the power supply electrode is always in contact with and conducted on the power supply bonding pad;

the input lines include a first sub-input line and a second sub-input line;

5. The emergency energy storage device with the charging connector according to claim 1, wherein a threaded portion extending out of the emergency energy storage device body is provided at the input opening of the emergency energy storage device body, and the dust cover is detachably connected with the emergency energy storage device body through the threaded portion.

6. The emergency energy storage device with a charging connector of claim 1, wherein one end of the dust cover is rotatably connected to the emergency energy storage device body between a first position and a second position, and the dust cover covers the charging connector when in the second position.

7. An emergency energy storage device with charging connection according to claim 1, characterized in that said charging assembly comprises:

the input end of the charging management circuit is connected with the output end of the direct current conversion circuit, and the output end of the charging management circuit is electrically connected with the battery;

the charging management circuit is used for converting the second direct-current voltage and outputting the charging voltage to the battery so as to charge the battery.