CN215816479U

CN215816479U - Portable energy storage power supply

Info

Publication number: CN215816479U
Application number: CN202122087931.8U
Authority: CN
Inventors: 王雷; 邓磊
Original assignee: Ecoflow Technology Ltd
Current assignee: Ecoflow Technology Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-11
Anticipated expiration: 2031-08-31

Abstract

The utility model belongs to the power supply unit field, in particular to portable energy storage power, including casing, first circuit board, second circuit board and electric connection structure, first circuit board and second circuit board all set up in the casing, and electric connection structure includes female end piece and public end piece, and female end piece sets up in first circuit board, and public end piece sets up in the second circuit board, and female end piece has the clamp mouth, and the clamp mouth is used for when second circuit board assembles in the casing, the public end piece of centre gripping. On the one hand, the cooperation of the male end piece and the female end piece avoids using a wire to electrically connect the second circuit board and the first circuit board, and improves the electrical connection efficiency of the second circuit board and the first circuit board. On the other hand, the process that the second circuit board is assembled in the shell can be synchronously carried out with the process that the second circuit board is electrically connected with the first circuit board, so that the assembly of the second circuit board in the shell can be rapidly completed, and the assembly efficiency of the portable energy storage power supply is improved on the whole.

Description

Portable energy storage power supply

Technical Field

The application belongs to the field of power supply equipment, and particularly relates to a portable energy storage power supply.

Background

In recent years, energy storage power sources have gained much attention in the industry thanks to their ability to meet outdoor and emergency power requirements. Inside the energy storage power source, the electrical connection relationship of circuit boards such as an inverter board and a BMS (Battery Management System) is usually involved.

In the prior art, the circuit boards in the energy storage power supply are usually electrically connected through wire plugging, so that the circuit boards can be electrically connected, but the energy storage power supply is also required to accurately complete wire plugging operation in a narrow assembly space during assembly, and the assembly efficiency of the energy storage power supply is low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a portable energy storage power supply, and the assembly efficiency of the portable energy storage power supply can be better improved.

In order to achieve the above object, the present application provides a portable energy storage power supply, which includes a housing, a first circuit board, a second circuit board and an electrical connection structure, wherein the first circuit board and the second circuit board are both disposed in the housing, the electrical connection structure includes a female end piece and a male end piece, the female end piece is disposed on the first circuit board, the male end piece is disposed on the second circuit board, the female end piece has a clamping opening, and the clamping opening is used for clamping the male end piece when the second circuit board is assembled in the housing.

Optionally, the female terminal includes a pin portion and a clamping portion, the pin portion is disposed on the first circuit board, the clamping portion is connected to the pin portion, and the clamping portion has two elastic pieces, and a clamping opening is formed between the two elastic pieces.

Optionally, the two elastic pieces are formed with guide portions at positions of the nip, and the two guide portions are inclined in directions away from each other.

Optionally, the clamping portion further includes a connecting piece, the connecting piece is bent and provided with two opposite edges located at the upper end of the connecting piece and two opposite edges located at the side end of the connecting piece, two elastic pieces are respectively formed at the two opposite edges located at the upper end of the connecting piece, and two pin portions are respectively formed at the two opposite edges located at the side end of the connecting piece.

Optionally, the power supply main body of the portable energy storage power supply is disposed in the housing, and the power supply main body is provided with at least two interface ends, the lower end of the second circuit board is provided with at least two pin pieces, and each pin piece of the at least two pin pieces is used for being inserted into each interface end of the at least two interface ends when the second circuit board is assembled in the housing.

Optionally, the second circuit board is provided with at least two first positioning holes, the power supply main body is provided with at least two positioning columns, and each positioning column of the at least two positioning columns is used for being inserted into and matched with each first positioning hole of the at least two first positioning holes when the second circuit board is assembled to the power supply main body.

Optionally, the second circuit board is provided with at least two second positioning holes, the bottom of the housing is provided with at least two first assembling columns, the end faces of the first assembling columns are provided with positioning pins, and the positioning pins are used for being inserted into and matched with the corresponding second positioning holes when the second circuit board is assembled in the housing.

Optionally, the second circuit board is provided with a mounting hole, the end face of the first mounting post is provided with a threaded hole, and the second circuit board penetrates through the mounting hole and the threaded hole through a screw to be connected to the first mounting post.

Optionally, the side wall of the power supply main body is provided with a connecting lug, the bottom of the casing is provided with a second assembling column, and the connecting lug and the second assembling column are connected through a bolt.

Optionally, the bottom of the casing is provided with an insertion groove, the power supply main body is at least partially embedded in the insertion groove, and the groove wall of the insertion groove is provided with an abutting rib which is used for abutting against the side wall of the power supply main body.

The embodiment of the application has at least the following beneficial effects: the portable energy storage power supply that this application embodiment provided, it is when the assembly, along with the second circuit board assembles in the casing, set up in the public end fitting of the electric connection structure of second circuit board can remove to the female end fitting department that sets up the electric connector on first circuit board along with the removal of second circuit board, because female end fitting has seted up the clamp mouth, public end fitting can be by the centre gripping in the clamp mouth like this, the electric contact with female end fitting is realized, so also realized the electric connection of second circuit board and first circuit board. On one hand, the cooperation of the male end piece and the female end piece avoids using a wire to electrically connect the second circuit board and the first circuit board, so that the wire plugging operation is omitted, and the electric connection efficiency of the second circuit board and the first circuit board is improved. On the other hand, the process that the second circuit board is assembled in the shell can be synchronously carried out with the process that the second circuit board is electrically connected with the first circuit board, so that the assembly of the second circuit board in the shell can be rapidly completed, and the assembly efficiency of the portable energy storage power supply is improved on the whole.

Drawings

Fig. 1 is a schematic structural diagram of a portable energy storage power supply according to an embodiment of the present application;

fig. 2 is an exploded schematic view of a portable energy storage power supply according to an embodiment of the present disclosure;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged partial view taken at B in FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

fig. 6 is a schematic structural diagram of a first circuit board and a second circuit board of a portable energy storage power supply provided in an embodiment of the present application;

FIG. 7 is an enlarged partial view taken at D in FIG. 6;

fig. 8 is a schematic structural diagram of a female terminal part and a male terminal part of a portable energy storage power supply provided by an embodiment of the present application;

fig. 9 is a schematic structural diagram of a female terminal of a portable energy storage power supply according to an embodiment of the present application;

FIG. 10 is a schematic view of another angle of the female terminal of the portable energy storage power supply according to the embodiment of the present application;

fig. 11 is a schematic structural diagram of a second housing of the portable energy storage power supply according to an embodiment of the present application.

Description of reference numerals:

10-housing 11-power supply body 12-interface end

13-first assembling column 14-positioning pin 15-threaded hole

16-engaging lug 17-second mounting post 18-caulking groove

19-abutting rib 20-first circuit board 30-second circuit board

31-lead member 32-second positioning hole 33-assembly hole

40-electric connection structure 41-female end piece 42-male end piece

43-clamping opening 44-clamping part 45-pin part

46-elastic piece 47-guiding part 48-connecting piece

101-first housing 102-second housing 103-panel.

Detailed Description

The following detailed description of the present application will be made with reference to fig. 1 to 11, but it should be understood that the scope of the present application is not limited by the following detailed description.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

For the reader's understanding of the examples in this application, the following explanation is given for the proper nouns and acronyms appearing in this application:

BMS, Battery Management System: the battery management system, commonly known as a "battery caregiver" or a "battery manager", can realize intelligent management and maintenance of each battery cell of a battery pack of the electronic equipment, prevent overcharge and overdischarge of the battery, prolong the service life of the battery pack, and monitor the working state of the battery pack.

An inverter board: the circuit board module is a circuit board module which is provided with an inverter bridge, control logic and a filter circuit and is responsible for converting direct current output by a battery pack into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current in equipment such as an energy storage power supply.

LCD, Liquid Crystal Display: and a liquid crystal display screen.

LED, Light-emitting Diode: a light emitting diode.

OLED, Organic Light-emitting Diode: an organic light emitting diode.

AMOLED, Active-matrix Organic Light-emitting Diode: an active matrix organic light emitting diode or an active matrix organic light emitting diode.

Mini LED, Mini light-emitting Diode: a sub-millimeter light emitting diode.

Micro LED, Micro light-emitting Diode: the light emitting pixel unit is a high-density LED display array formed by assembling self-luminous micrometer LEDs on a driving panel.

Ac (alternating current) plug interface terminal: an AC plug interface terminal.

Dc (direct current) plug interface terminal: a DC plug interface end.

USB (Universal Serial bus) interface terminal: a universal serial bus interface port.

Psdr (power supply distribution): a power panel.

Within the energy storage power source, the electrical connection relationship of circuit boards such as inverter boards and BMS boards is often involved. At present, the circuit boards in the energy storage power supply are usually electrically connected through wire plugging. However, the assembly space inside the energy storage power supply is usually narrow, and the wires are often difficult to align to the corresponding interface end accurately when being plugged, so that the wires need to be repeatedly tried and plugged in place for many times, and the overall assembly efficiency of the energy storage power supply is reduced.

Therefore, the embodiment of the application provides a mobile energy storage power supply, and the assembly efficiency of the portable energy storage power supply can be improved better.

In this embodiment, the portable energy storage power source is an energy storage power source that can supply power to one or more electric devices simultaneously, and is mainly applied to activities such as outdoor operations and traveling, or used as emergency power and mobile power reserves in households and social units.

Specifically, as shown in fig. 1 and 2, the portable energy storage power supply provided by the embodiment of the present application includes a housing 10, a power supply main body 11, a first circuit board 20, a second circuit board 30, and an electrical connection structure 40. The power supply body 11 and the first circuit board 20 are disposed in the casing 10, and the second circuit board 30 may be disposed on the power supply body 11 or connected to other objects in the casing 10 and located at the upper end of the power supply body 11.

Illustratively, in the present embodiment, the power supply main body 11 includes a battery pack and a BMS board, and the battery cells in the battery pack are electrically connected to the BMS board. The second circuit board 30 may be an inverter board or a PSDR board, and the first circuit board 20 may be a circuit board having an interface of the input/output interface terminal 12 and/or a display screen. The first circuit board 20 is disposed in the housing 10 along a height direction of the housing 10, and may be specifically mounted on an inner wall of a certain panel 103 of the housing 10. The second circuit board 30 can be laid on the power supply main body 11, and the second circuit board 30 and the first circuit board 20 form a vertical or nearly vertical relative position relationship, so that the assembly space in the housing 10 can be reasonably utilized to mount the second circuit board 30 and the first circuit board 20, and the assembly space in the housing 10 can be fully utilized.

Illustratively, as shown in fig. 1 and 2, in the present embodiment, the panel 103 may be a plate member having an input/output interface and/or a display screen and exposed to the housing 10. The input/output interface may be an AC interface, a DC interface, a USB interface, or the like. The display screen can be an LCD screen, an LED screen, an OLED screen, an AMOLED screen, a Mini LED screen, a Micro LED screen and the like.

Specifically, as shown in fig. 2, 6 and 7, the electrical connection structure 40 includes a male terminal 42 and a female terminal 41, the male terminal 42 is disposed on the second circuit board 30, the female terminal 41 is disposed on the first circuit board 20, and the female terminal 41 has a clamping opening 43, the clamping opening 43 is used for clamping the male terminal 42 when the second circuit board 30 is assembled on the power supply main body 11. Thus, the second circuit board 30 enters the housing 10 from top to bottom along the height direction of the housing 10 and is assembled on the power supply main body 11 or other objects in the housing 10, and in this process, the male end member 42 moves to the female end member 41 along with the second circuit board 30 and is inserted into the clamping opening 43 formed in the female end member 41. In this embodiment, the clamping opening 43 of the female end piece 41 can also be open in the direction of movement of the male end piece 42.

Referring to fig. 2, the following describes a mobile energy storage power supply according to an embodiment of the present application: in the portable energy storage power supply provided by the embodiment of the application, when the second circuit board 30 is assembled in the housing 10, the male terminal 42 of the electrical connection structure 40 disposed on the second circuit board 30 moves to the female terminal 41 of the electrical connector disposed on the first circuit board 20 along with the movement of the second circuit board 30, and since the female terminal 41 is provided with the clamping opening 43, the male terminal 42 can be clamped in the clamping opening 43 to achieve electrical contact with the female terminal 41, thereby also achieving electrical connection between the second circuit board 30 and the first circuit board 20. On one hand, the cooperation of the male terminal 42 and the female terminal 41 avoids using wires to electrically connect the second circuit board 30 and the first circuit board 20, thereby eliminating the wire plugging operation and improving the electrical connection efficiency of the second circuit board 30 and the first circuit board 20. On the other hand, the process of assembling the second circuit board 30 in the housing 10 can be performed simultaneously with the process of electrically connecting the second circuit board 30 with the first circuit board 20, so that the assembly of the second circuit board 30 in the housing 10 can be completed quickly, and the assembly efficiency of the portable energy storage power supply is improved integrally.

In other embodiments of the present application, as shown in fig. 7 and 8, the female terminal 41 includes a pin portion 45 and a clamping portion 44, the pin portion 45 is disposed on the first circuit board 20, the clamping portion 44 is connected to the pin portion 45, and the clamping portion 44 has two elastic pieces 46, and a clamping opening 43 is formed between the two elastic pieces 46.

Specifically, the pin portion 45 of the female terminal 41 may be inserted through the electrical contact end of the first circuit board 20 and soldered to the electrical contact end, so as to improve the connection strength between the pin portion 45 and the first circuit board 20. By providing the clamping portion 44 with two elastic pieces 46, the clamping opening 43 can be formed between the two elastic pieces 46, so that when the second circuit board 30 is assembled in the housing 10, the male end part 42 on the second circuit board 30 can be inserted between the two elastic pieces 46, and the two elastic pieces 46 can be reliably abutted against two sides of the male end part 42 under the action of their own elastic forces. In this way, the two elastic pieces 46 can realize stable and reliable contact between the male terminal 42 and the female terminal 41, thereby improving the reliability of the electrical connection between the first circuit board 20 and the second circuit board 30, and further improving the overall quality reliability of the portable energy storage power supply.

Illustratively, both resilient tabs 46 are brass or copper tabs. By using brass sheet, the elastic sheet 46 can be made to have better wear resistance. By using the copper sheets, the elastic sheets 46 have better conductivity, so that the resistance load of the electrical connection path between the first circuit board 20 and the second circuit board 30 is reduced, and the quality of the electrical connection between the first circuit board 20 and the second circuit board 30 is improved.

In other embodiments of the present application, as shown in fig. 8 to 10, the two elastic pieces 46 are each formed with a guide portion 47 at the position of the nip 43, and the two guide portions 47 are inclined in directions away from each other. Specifically, by inclining the two guide portions 47 in a direction away from each other, the two guide portions 47 can be configured into an open structure in a "trumpet shape", so that when the male end piece 42 moves to the female end piece 41, even if the female end piece 41 is not accurately aligned, the male end piece 42 can finally enter and be clamped at the clamping opening 43 under the guidance of the guide portions 47 after contacting with any one of the two guide portions 47. In this way, the two guide portions 47 achieve blind fitting of the male end piece 42 with respect to the female end piece 41, and improve fitting efficiency and fitting accuracy of the male end piece 42 and the female end piece 41.

Illustratively, the two guide portions 47 are integrally formed with the two elastic pieces 46, and specifically, the two guide portions may be integrally formed by press forming, so that on one hand, the connection reliability of the guide portions 47 and the elastic pieces 46 can be improved, and on the other hand, the manufacturing efficiency of the guide portions 47 and the elastic pieces 46 can also be improved, and the manufacturing cost can be saved.

In other embodiments of the present application, as shown in fig. 8 to 10, the holding portion 44 further includes a connecting piece 48, the connecting piece 48 is bent and has two opposite edges at an upper end of the connecting piece 48 and two opposite edges at side ends of the connecting piece 48, two elastic pieces 46 are respectively formed at the two opposite edges at the upper end of the connecting piece 48, and two pin portions 45 are respectively formed at the two opposite edges at the side ends of the connecting piece 48.

Specifically, the connection piece 48 is bent: the connecting piece 48 may have a "U" or "V" shape in cross section, and after the connecting piece 48 is bent, opposite side edges in the length direction thereof extend toward the upper end of the connecting piece 48 after being bent, and form opposite edges of the upper end of the connecting piece 48. The two opposite side edges of the connecting sheet 48 in the width direction form the side ends, that is, the edges on the left and right sides, of the connecting sheet 48 after the connecting sheet 48 is bent, and the two pin portions 45 can be formed on the edges on the left or right sides of the connecting sheet 48, so that the connecting sheet 48 is bent to form the upper edge and the side edges, and the pin portions 45 and the elastic pieces 46 can be provided with assembling connection positions at the same time, which is also beneficial to reducing the overall volume of the female end piece 41, thereby saving the assembling space in the housing 10.

Optionally, the pin portion 45 is sheet-shaped, and the elastic sheet 46, the connecting sheet 48 and the pin portion 45 are integrally formed by stamping, so that on one hand, the overall strength and structural reliability of the female end part 41 can be improved, and on the other hand, the female end part 41 can be manufactured and molded by a simple stamping process through a sheet of plate material, so that the manufacturing cost is saved, and meanwhile, the manufacturing efficiency is better, and the mass molding of the female terminal is facilitated.

Illustratively, the configuration of the male terminal may also be sheet-shaped, so as to be inserted into the nip 43 formed by the two elastic sheets 46, and increase the contact area with the two elastic sheets 46, thereby improving the connection stability of the first circuit board 20 and the second circuit board 30.

For example, in the present embodiment, the pin portions 45 may correspond to the three-phase input interface of the first circuit board 20, and thus, the number of the pin portions 45 is three, two of the three pin portions 45 may be respectively formed at two opposite edges of one side of the connecting sheet 48, and the other pin portion 45 may be formed at a bottom edge of one side of the connecting sheet 48.

In other embodiments of the present application, as shown in fig. 2 and 3, the power supply main body 11 of the portable energy storage power supply is disposed in the housing 10, and at least two interface ends 12 are disposed on the power supply main body 11, at least two pin members 31 are disposed on the lower portion of the second circuit board 30, and each pin member 31 of the at least two pin members 31 is configured to be inserted into each interface end 12 of the at least two interface ends 12 when the second circuit board 30 is assembled in the housing 10.

Specifically, in the embodiment, when the second circuit board 30 is assembled in the housing 10, the second circuit board 30 can be electrically connected to the power supply main body 11 through the insertion and connection of the pin member 31 and the interface end 12, so that the second circuit board 30 can be electrically connected to the first circuit board 20 and the power supply main body 11 when assembled in the housing 10, and thus the assembly efficiency of the second circuit board 30 is improved better, and the overall assembly efficiency of the portable energy storage power supply is also improved.

For example, in the present embodiment, the second circuit board 30 may be an inverter board or a PSDR board, the interface terminal 12 is disposed on the BMS board of the power supply main body 11, and the inverter board or the PSDR board is electrically connected to the BMS board through the plug-in fit of the pin member 31 and the interface terminal 12.

In other embodiments of the present application, at least two first positioning holes are formed in the second circuit board 30, at least two positioning posts are disposed on the power source main body 11, and each of the at least two positioning posts is used for being inserted into and engaged with each of the at least two first positioning holes when the second circuit board 30 is assembled in the power source main body 11.

Specifically, in the present embodiment, as a way for assembling the second circuit board 30 in the housing 10, the second circuit board 30 can be directly assembled on the power supply main body 11, the second circuit board 30 and the power supply main body 11 are assembled and positioned by the through fit of the first positioning hole and the positioning post, this also corresponds to the plug-in positioning of the pin members 31 and the interface terminals 12, so that when the second circuit board 30 is assembled to the power supply body 11, when the second circuit board 30 and the power main body 11 are assembled and positioned, the second circuit board 30 can move toward the power main body 11 and be assembled on the power main body 11, in the process, the male terminal 42 also moves to the female terminal 41 and completes the insertion fit with the female terminal 41, and the pin members 31 are also inserted into the interface terminals 12 along with the movement of the second circuit board 30, so as to electrically connect the second circuit board 30 and the power supply main body 11. Therefore, the overall assembly efficiency of the portable energy storage power supply is improved.

In other embodiments of the present application, as shown in fig. 4 and 5, the second circuit board 30 is provided with at least two second positioning holes 32, the bottom of the housing 10 is provided with at least two first assembling columns 13, the end surfaces of the first assembling columns 13 are provided with positioning pins 14, and the positioning pins 14 are used for inserting and matching with the corresponding second positioning holes 32 when the second circuit board 30 is assembled in the housing 10.

Specifically, in the present embodiment, as another way for assembling the second circuit board 30 in the housing 10, the second circuit board 30 is directly assembled with the housing 10, so that on one hand, the installation stability of the second circuit board 30 can be improved, and on the other hand, the power supply main body 11 can be prevented from being excessively pressed when the second circuit board 30 is assembled with the power supply main body 11, so as to provide a safer working and operating environment for the battery pack in the power supply main body 11, and thus, the use safety of the portable energy storage power supply can be better improved.

In this embodiment, after the second positioning hole 32 and the positioning pin 14 are inserted and matched, the relative position relationship between the second circuit board and the housing 10 is determined, the relative position relationship between the second circuit board 30 and the power main body 11 is also determined, and the relative position relationship between the pin and the interface end 12 is also naturally determined, so that the pin and the interface end 12 are conveniently aligned and inserted and matched.

In other embodiments of the present application, as shown in fig. 4 and 5, the second circuit board 30 is provided with a mounting hole 33, the end surface of the first mounting post 13 is provided with a threaded hole 15, and the second circuit board 30 is screwed into the mounting hole 33 and the threaded hole 15 to connect to the first mounting post 13.

Specifically, by connecting the second circuit board 30 and the first mounting post 13 by screws, on the one hand, the connection stability of the second circuit board 30 and the first mounting post 13 is improved, and on the other hand, the detachable connection and the convenient mounting of the second circuit board 30 and the first mounting post 13 are also realized.

In this embodiment, the end surface of the first assembling column 13 refers to an end surface of the first assembling column 13 facing the second circuit board 30, the end surface of the first assembling column 13 is provided with the positioning pin 14 and the threaded hole 15, so that the assembling area of the end surface of the first assembling column 13 can be fully utilized, and thus the second circuit board 30 and each first assembling column 13 can be matched to complete positioning and assembling in the housing 10 at the same time, an assembling part with a threaded hole is not required to be additionally arranged, and the assembly space in the housing 10 is saved.

Illustratively, at least three corners of the second circuit board 30 are each provided with a mounting hole 33, and correspondingly, there are at least three first mounting posts 13, and the first mounting posts 13 may be disposed at the corners of the housing 10.

In other embodiments of the present application, as shown in the drawings, the side wall of the power supply body 11 is provided with a coupling lug 16, the bottom of the housing 10 is provided with a second mounting post 17, and the coupling lug 16 and the second mounting post 17 are connected by a bolt. Specifically, by bolting the power supply main body 11 to the second mounting post 17, a secure mounting of the power supply main body 11 within the housing 10 is achieved, while also facilitating a quick assembly of the power supply main body 11 and the housing 10.

Alternatively, the side wall of the first mounting post 13 is connected to the side wall of the adjacent second mounting post 17, and the first mounting post 13 and the adjacent second mounting post 17 are integrally formed with the housing 10. This can better save the manufacturing cost of the housing 10, the first mounting post 13 and the second mounting post 17, and improve the manufacturing efficiency of the housing 10, the first mounting post 13 and the second mounting post 17.

Illustratively, a height difference is formed between the first mounting post 13 and the adjacent second mounting post 17, so that the mounting positions of the second circuit board 30 and the first mounting post 13 and the mounting positions of the power supply main body 11 and the second mounting post 17 do not interfere, and the second circuit board 30 and the power supply main body 11 can be smoothly mounted in the housing 10.

In other embodiments of the present application, as shown in fig. 11, a recessed groove 18 is formed at the bottom of the housing 10, the power supply main body 11 is at least partially embedded in the recessed groove 18, an abutting rib 19 is formed on a groove wall of the recessed groove 18, and the abutting rib 19 is used for abutting against a side wall of the power supply main body 11.

Specifically, by embedding the power supply main body 11 in the caulking groove 18, the stability of the power supply main body 11 assembled in the casing 10 is better improved, the power supply main body 11 is prevented from shaking in the casing 10, the assembly stability of the power supply main body 11 is better improved, and the use safety of the portable energy storage power supply is also improved.

In this embodiment, through the butt rib 19 that makes the cell wall of caulking groove 18 and the lateral wall looks butt of power supply body 11, butt rib 19 can realize keeping spacing power supply body 11 firmly in caulking groove 18 through the butt in power supply body 11's lateral wall like this, can avoid so not forming between cell wall and the power supply body 11 lateral wall and lead to power supply body 11 to rock in caulking groove 18 by face contact two, has improved power supply body 11's assembly stability, has also improved portable energy storage power's safety in utilization better.

Illustratively, the housing 10 includes a first housing 101 and a second housing 102, the first housing 101 is disposed on the second housing 102, and the power supply main body 11, the first circuit board 20, the second circuit board 30 and the electrical connection structure 40 are disposed in a space enclosed by the first housing 101 and the second housing 102. Wherein, along the height direction of the portable energy storage power supply, the first shell 101 is above the second shell 102, and the caulking groove 18, the first assembling column 13 and the second assembling column 17 are all arranged at the bottom of the second shell 102.

The foregoing descriptions of specific exemplary embodiments of the present application have been presented for purposes of illustration and description. It is not intended to limit the application to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the present application and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the present application and various alternatives and modifications thereof. It is intended that the scope of the application be defined by the claims and their equivalents.

Claims

1. A portable energy storage power supply, characterized by: the method comprises the following steps:

a housing;

the first circuit board and the second circuit board are arranged in the shell;

the electric connection structure comprises a female end piece and a male end piece, the female end piece is arranged on the first circuit board, the male end piece is arranged on the second circuit board, the female end piece is provided with a clamping opening, and the clamping opening is used for clamping the male end piece when the second circuit board is assembled in the shell.

2. The portable energy storage power supply of claim 1, wherein: the female end piece comprises a pin portion and a clamping portion, the pin portion is arranged on the first circuit board, the clamping portion is connected with the pin portion, the clamping portion is provided with two elastic pieces, and the clamping opening is formed between the two elastic pieces.

3. The portable energy storage power supply of claim 2, wherein: the two elastic pieces are located at the position of the clamping opening and are respectively provided with a guide part, and the two guide parts incline towards directions deviating from each other.

4. The portable energy storage power supply of claim 2, wherein: the clamping part further comprises a connecting piece, the connecting piece is arranged in a bent mode and provided with two opposite edges located at the upper end of the connecting piece and two opposite edges located at the side end of the connecting piece, the two elastic pieces are respectively formed at the two opposite edges located at the upper end of the connecting piece, and the two pin parts are respectively formed at the two opposite edges located at the side end of the connecting piece.

5. The portable energy storage power supply of any one of claims 1 to 4, wherein: the power supply main body of the portable energy storage power supply is arranged in the shell, at least two interface ends are arranged on the power supply main body, at least two pin pieces are arranged at the lower end of the second circuit board, and each pin piece of the at least two pin pieces is used for being inserted into each interface end of the at least two interface ends when the second circuit board is assembled in the shell.

6. The portable energy storage power supply of claim 5, wherein: the second circuit board is provided with at least two first positioning holes, the power supply main body is provided with at least two positioning columns, and each positioning column of the at least two positioning columns is used for being inserted into and matched with each first positioning hole of the at least two first positioning holes when the second circuit board is assembled in the power supply main body.

7. The portable energy storage power supply of claim 5, wherein: the second circuit board is provided with at least two second positioning holes, the bottom of the shell is provided with at least two first assembling columns, the end faces of the first assembling columns are provided with positioning pins, and the positioning pins are used for being inserted into and matched with the corresponding second positioning holes when the second circuit board is assembled in the shell.

8. The portable energy storage power supply of claim 7, wherein: the second circuit board is provided with an assembly hole, the end face of the first assembly column is provided with a threaded hole, and the second circuit board penetrates through the assembly hole and the threaded hole through a screw to be connected with the first assembly column.

9. The portable energy storage power supply of claim 5, wherein: the lateral wall of power main part is provided with the engaging lug, the bottom of casing is provided with the second assembly post, the engaging lug with the second assembly post is connected through the bolt.

10. The portable energy storage power supply of claim 5, wherein: the bottom of casing has seted up the caulking groove, power main part at least part inlays to be located in the caulking groove, the cell wall of caulking groove is formed with the butt rib, the butt rib is used for the butt the lateral wall of power main part.