CN114865194B - Power supply device - Google Patents

Power supply device Download PDF

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Publication number
CN114865194B
CN114865194B CN202210573980.9A CN202210573980A CN114865194B CN 114865194 B CN114865194 B CN 114865194B CN 202210573980 A CN202210573980 A CN 202210573980A CN 114865194 B CN114865194 B CN 114865194B
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CN
China
Prior art keywords
power supply
unit
upper cover
pressing
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210573980.9A
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Chinese (zh)
Other versions
CN114865194A (en
Inventor
刘剑剑
张海波
孙佳
常豪凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Institute of Marine Electric Propulsion China Shipbuilding Industry Corp No 712 Institute CSIC
Wuhan Hydrogen Energy and Fuel Cell Industry Technology Research Institute Co Ltd
Original Assignee
Wuhan Institute of Marine Electric Propulsion China Shipbuilding Industry Corp No 712 Institute CSIC
Wuhan Hydrogen Energy and Fuel Cell Industry Technology Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Institute of Marine Electric Propulsion China Shipbuilding Industry Corp No 712 Institute CSIC, Wuhan Hydrogen Energy and Fuel Cell Industry Technology Research Institute Co Ltd filed Critical Wuhan Institute of Marine Electric Propulsion China Shipbuilding Industry Corp No 712 Institute CSIC
Priority to CN202210573980.9A priority Critical patent/CN114865194B/en
Publication of CN114865194A publication Critical patent/CN114865194A/en
Application granted granted Critical
Publication of CN114865194B publication Critical patent/CN114865194B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46Accumulators structurally combined with charging apparatus
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258Modular batteries; Casings provided with means for assembling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention relates to the technical field of power supply equipment, in particular to a power supply device; the power supply unit is arranged on a power supply installation position on the inner wall of the accommodating cavity and can supply power to external equipment when the power is on; the pressing unit can press down the upper cover, produces and acts on the pressing force of power supply unit towards power installation position direction compresses tightly power supply unit in the power installation position, realizes power supply unit's fixed, when power supply unit need dismantle, only need dismantle the upper cover, can make pressing unit break away from the pressure to power supply unit, and then make power supply unit break away from the power installation position, realize the dismantlement to power supply unit, and then provide convenience for power supply unit's dismantlement.

Description

Power supply device
Technical Field
The invention relates to the technical field of power supply equipment, in particular to a power supply device.
Background
The power supply device is mainly used for a series of devices for supplying power to external mobile phones, computers, electric vehicles or other common equipment.
The power supply device mainly comprises a shell, a battery and a circuit board, wherein the circuit board and the power supply assembly are arranged in the shell, a power output port is arranged on the surface of the shell and is electrically connected with the circuit board, the battery is used for supplying power to the circuit board, and the external device is inserted into the power output port, so that the power supply device can supply power to the external device.
The prior power supply equipment is generally provided with a mounting groove on the surface of the shell, the battery is mounted on the surface of the shell, the battery is sleeved on the surface of the battery through a limiting buckle, and meanwhile, the limiting buckle is fixed with the shell through a screw, so that the battery is locked. Although the battery can be stably installed through the setting of the limiting button, when the battery needs to be disassembled, the limiting button and the screw fixed on the shell are required to be disassembled, and if no related tool for disassembling the limiting button on the screw is used on the hand of a user, the battery is difficult to disassemble.
Disclosure of Invention
The invention aims to overcome the technical defects, and provides a power supply device which solves the technical problem that a battery of the power supply device is inconvenient to disassemble in the prior art.
In order to achieve the above technical object, the present invention provides a power supply device, including:
the shell comprises a bottom frame and an upper cover, wherein the upper cover is detachably fixed on one side of the bottom frame, a containing cavity is formed by enclosing the bottom frame and the upper cover, and a power supply installation position opposite to the upper cover is arranged on the side wall of the containing cavity;
the power supply unit is arranged at the power supply installation position and is used for supplying power to external equipment;
and the pressing unit is used for generating pressing force acting on the power supply unit towards the direction of the power supply installation position through pressing the upper cover, and pressing the power supply unit at the power supply installation position.
Optionally, the power supply unit includes battery mounting bracket and a plurality of power supply battery, a plurality of the equal interval of power supply battery install in the battery mounting bracket, the battery mounting bracket is located press the unit with between the power installation position, press the unit be used for through pressing the battery mounting bracket, will the battery mounting bracket with the power supply battery carries out spacingly.
Optionally, the battery mounting bracket includes a plurality of by press the unit towards the clamping block of power installation position direction sequential interval, a plurality of power supply battery respectively set up in two adjacent between the clamping block, two at both ends the clamping block respectively with press the unit with the power installation position is connected, press the unit be used for towards being close to press the unit the clamping block provides towards the pressing force of power installation position direction, so that each the clamping block is to each power supply battery carries out the centre gripping.
Optionally, two adjacent opposite faces of the clamping blocks are respectively provided with a limiting column and a limiting hole matched with the limiting columns, and the limiting columns are inserted into the limiting holes.
Optionally, battery limiting grooves for accommodating batteries are further formed in the opposite faces of the two adjacent clamping blocks, and the power supply batteries are located in the battery limiting grooves.
Optionally, the pressing unit includes a compression spring, one end of the compression spring abuts against the upper cover, and the other end of the compression spring abuts against the power supply unit.
Optionally, a first sealing ring is arranged between the upper cover and the bottom frame.
Optionally, the device further comprises a conversion unit, wherein the conversion unit is arranged in the accommodating cavity and is electrically connected with the power supply unit, and a device connection module connected with the conversion unit is arranged on the surface of the bottom frame and is used for connecting external devices.
Optionally, the surface of casing is provided with guard ring and protection casing, the guard ring is located the week side of connection module, protection casing threaded connection in the surface of guard ring.
Optionally, a second sealing ring is arranged between the protective cover and the protective ring.
Compared with the prior art, the power supply device provided by the invention has the beneficial effects that: the power supply unit is arranged on a power supply installation position on the inner wall of the accommodating cavity and can supply power to external equipment when the power is supplied; because power supply unit still is provided with presses the unit, press the one end of unit with the upper cover is connected, presses the other end of unit and is connected with power supply unit, presses the unit and can produce under the pressing of upper cover acts on power supply unit compresses tightly the power supply unit in the power installation position orientation, realizes power supply unit's fixed, when power supply unit needs to dismantle, only need dismantle the upper cover, can make to press the unit to break away from pressing the power supply unit, and then make the power supply unit break away from the power installation position, realize the dismantlement to the power supply unit, and then provide convenience for power supply unit's dismantlement.
Drawings
Fig. 1 is a schematic structural diagram of a power supply device according to an embodiment of the present invention.
Fig. 2 is an exploded view of a power supply device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a hidden upper cover of a power supply device according to an embodiment of the present invention.
Fig. 4 is an exploded view of a power supply unit of a power supply device according to an embodiment of the present invention.
Wherein, each reference sign in the figure:
10-shell 11-bottom frame 12-upper cover
13-accommodation chamber 14-power supply installation position 15-first sealing ring
16-connection module 17-protective ring 18-protective cover
19-hand screw bolt 20-power supply unit 21-battery mounting rack
22-power supply battery 30-pressing unit 31-compression spring
40-converting unit 41-voltage transformation circuit board 42-output circuit board
161-USB interface 162-power input 163-avionic interface
164-power switch button 165-power work indicator lamp 211-clamping block
411-first connection interface 421-second connection interface 2111-limit column
2112-spacing holes 2113-battery spacing slots 2114-spacing post positioning
2115-grip tab.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention provides a power supply device, which solves the technical problem that a battery of the power supply device is inconvenient to disassemble in the prior art.
In order to achieve the above technical objective, the technical solution of the present invention provides a power supply device, as shown in fig. 1 to 3, comprising a housing 10, a power supply unit 20 and a pressing unit 30, wherein the housing 10 comprises a bottom frame 11 and an upper cover 12, the upper cover 12 is detachably fixed on one side of the bottom frame 11, a containing cavity 13 is formed by enclosing the bottom frame 11 and the upper cover 12, and a power supply mounting position 14 opposite to the upper cover 12 is arranged on the side wall of the containing cavity 13; the power supply unit 20 is arranged at the power supply installation position 14 and is used for supplying power to external equipment; one end of the pressing unit 30 is connected to the upper cover 12, the other end of the pressing unit 30 is connected to the power supply unit 20, and the pressing unit 30 is configured to generate a pressing force acting on the power supply unit 20 in the direction of the power supply mounting position 14 by pressing the upper cover 12, so that the power supply unit 20 is pressed against the power supply mounting position 14.
Specifically, the power supply device is provided with a shell 10 and a power supply unit 20, wherein the shell 10 comprises a bottom frame 11 and an upper cover 12, the upper cover 12 is detachably fixed on one side of the bottom frame 11, a containing cavity 13 is formed by enclosing the bottom frame 11 and the upper cover 12, and the power supply unit 20 is arranged on a power supply mounting position 14 on the inner wall of the containing cavity 13 and can supply power to external equipment when being electrified; because the power supply device is also provided with the pressing unit 30, one end of the pressing unit 30 is connected with the upper cover 12, the other end of the pressing unit 30 is connected with the power supply unit 20, the pressing unit 30 can generate pressing force acting on the power supply unit 20 towards the power supply installation position 14 under the pressing of the upper cover 12, the power supply unit 20 is pressed on the power supply installation position 14, the fixing of the power supply unit 20 is realized, when the power supply unit 20 needs to be disassembled, the pressing unit 30 can be separated from the pressing of the power supply unit 20 only by disassembling the upper cover 12, the power supply unit 20 is further separated from the power supply installation position 14, the disassembly of the power supply unit 20 is realized, and convenience is further provided for the disassembly of the power supply unit 20.
It will be appreciated that the bottom frame 11 and the upper cover 12 may be detachably connected by any connection means such as a snap connection, a screw connection, etc.
In this embodiment, as shown in fig. 1 to 3, in order to facilitate the removal of the upper cover 12, the upper cover 12 is fixed to the bottom frame 11 by screwing bolts 19 by hand.
It can be understood that the power supply unit 20 may be any device having a power storage function, such as a storage battery, a dry battery, or the like, and the power supply unit 20 may directly supply power to an external device, or may convert a circuit through a circuit board and then supply power to the external device.
It can be appreciated that the pressing unit 30 may be any structure form such as a rod body, a frame body, etc. capable of pressing the power supply unit 20, the pressing unit 30 may be fixedly connected with the upper cover 12, clamped, hinged or abutted against any connection form, etc. the pressing unit 30 may be abutted against or detachably connected with the power supply unit 20, and only when the upper cover 12 is installed, the pressing unit 30 may be used to transmit a pressing force acting on the power supply unit 20 to press the power supply mounting position 14.
Alternatively, as shown in fig. 2 to 4, the power supply unit 20 includes a battery mounting frame 21 and a plurality of power supply batteries 22, the plurality of power supply batteries 22 are all installed at intervals on the battery mounting frame 21, the battery mounting frame 21 is located between the pressing unit 30 and the power supply installation site 14, and the pressing unit 30 is used for limiting the battery mounting frame 21 and the power supply batteries 22 by pressing the battery mounting frame 21. Specifically, the battery mount 21 can mount a plurality of power supply batteries 22, and the power supply unit 20 can simultaneously compress the battery mount 21 and the power supply batteries 22 by generating only a pressing force acting on the battery mount 21.
It can be appreciated that the battery mounting frame 21 may be connected to the power supply battery 22 in a clamping manner, a bolting manner, or the like, or by providing an abutting plate, and pressing the abutting plate by the pressing unit 30, the abutting plate and the power supply mounting position 14 clamp the power supply battery 22 to fix the power supply battery 22.
In this embodiment, as shown in fig. 2-4, in order to facilitate the disassembly of the battery mounting rack 21 and the power supply battery 22, the battery mounting rack 21 includes a plurality of clamping blocks 211 sequentially spaced from each other in the direction of the power supply mounting position 14 by the pressing unit 30, the plurality of power supply batteries 22 are respectively disposed between two adjacent clamping blocks 211, the two clamping blocks 211 disposed at two ends are respectively connected with the pressing unit 30 and the power supply mounting position 14, and the pressing unit 30 is used for providing a pressing force in the direction of the power supply mounting position 14 to the clamping blocks 211 close to the pressing unit 30, so that each clamping block 211 clamps each power supply battery 22. Specifically, with the above arrangement, after the upper cover 12 is detached, the pressing force of the pressing unit 30 to the clamping blocks 211 is cancelled, so that the clamping force of each clamping block 211 to each power supply battery 22 is cancelled, and each power supply battery 22 can be removed.
Optionally, as shown in fig. 4, opposite surfaces of two adjacent clamping blocks 211 are respectively provided with a limiting column 2111 and a limiting hole 2112 adapted to the limiting column 2111, and the limiting column 2111 is inserted into the limiting hole 2112. Specifically, the limiting posts 2111 and the limiting holes 2112 can be connected between two adjacent clamping blocks 211, and misalignment of the clamping blocks 211 can be effectively prevented, so that stability of the power supply unit 20 is improved.
In this embodiment, as shown in fig. 4, a positioning column 2114 is provided on the bottom surface of the pressing block connected to the power supply mounting position 14, and the positioning column 2114 is inserted into the bottom wall of the housing chamber 13.
In this embodiment, as shown in fig. 2 to 4, the side surfaces of each holding block 211 are provided with a grip protrusion 2115.
Optionally, as shown in fig. 2 to 4, battery limiting grooves 2113 for accommodating batteries are further formed on opposite sides of the two adjacent clamping blocks 211, and the power supply battery 22 is located in the battery limiting grooves 2113. Specifically, the limiting groove can provide a stable installation space for the power supply battery 22, and simultaneously avoid the power supply battery 22 from being damaged under the clamping of the clamping plate.
Alternatively, as shown in fig. 2 to 3, the pressing unit 30 includes a compression spring 31, one end of the compression spring 31 abuts against the upper cover 12, and the other end of the compression spring 31 abuts against the power supply unit 20. Specifically, by setting the pressing unit 30 as the compression spring 31, the range of action of the pressing unit 30 is lifted while protecting the power supply unit 20.
Optionally, as shown in fig. 2 to 3, a first sealing ring 15 is provided between the upper cover 12 and the bottom frame 11. Specifically, the first sealing ring 15 can improve the sealing between the upper cover 12 and the bottom frame 11, and improve the sealing performance of the housing 10.
Optionally, as shown in fig. 2 to 3, the device connection module 16 is further included, the device connection module 16 is disposed on the surface of the bottom frame 11 and is connected to the device connection module 16, and the device connection module 16 is used for external device connection. Specifically, the power supply apparatus is adaptable to the connection of various kinds of external devices by circuit conversion of the conversion unit 40 and the connection of the connection module 16 to the external devices.
In this embodiment, as shown in fig. 2, the connection module 16 includes a USB interface 161, a power input port 162, a navigation interface 163, a power switch button 164, and a power operation indicator 165. The power input port 162 is used for charging the power supply unit 20 through an external power supply device, the power switch button 164 is used for controlling the start and stop of the power supply device, the USB interface 161 and the aviation interface 163 are used for supplying power to the external device, the power supply work indicator lamp 165 is used for indicating the working state of the power supply device, and when the power supply device works, the power supply work indicator lamp is on.
In this embodiment, as shown in fig. 2 to 3, the conversion unit 40 includes a transforming circuit board 41 and an output circuit board 42, the transforming circuit board 41 is located at two sides of the power supply unit 20 and is electrically connected with the power supply unit 20, the output circuit board 42 is located at one side of the end of the accommodating cavity 13, the transforming circuit board 41 and the output circuit board 42 are respectively fixed with a first connection interface 411 and a second connection interface 421, and the first connection interface 411 and the second connection interface 421 are connected by wires.
Alternatively, as shown in fig. 1 to 3, the surface of the housing 10 is provided with a guard ring 17 and a protection cap 18, the guard ring 17 being located at the circumferential side of the connection module 16, the protection cap 18 being screw-coupled to the surface of the guard ring 17. In particular, the guard ring 17 and the protective cover 18 are effective to dust and water-proof the connection module 16.
Optionally, a second sealing ring (not identified in the figure) is arranged between the protective cover 18 and the protective ring 17. In particular, the second seal ring may promote water resistance between the protective cover 18 and the protective ring 17.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any other corresponding changes and modifications made in accordance with the technical idea of the present invention shall be included in the scope of the claims of the present invention.

Claims (8)

1. A power supply device, comprising:
the shell comprises a bottom frame and an upper cover, wherein the upper cover is detachably fixed on one side of the bottom frame, a containing cavity is formed by enclosing the bottom frame and the upper cover, and a power supply installation position opposite to the upper cover is arranged on the side wall of the containing cavity;
the power supply unit is arranged at the power supply installation position and is used for supplying power to external equipment;
the pressing unit is used for generating a pressing force acting on the power supply unit towards the power supply installation position through pressing of the upper cover, and pressing the power supply unit on the power supply installation position;
the power supply unit comprises a battery mounting frame and a plurality of power supply batteries, the battery mounting frame comprises a plurality of clamping blocks which are sequentially spaced from the pressing unit towards the direction of the power supply mounting position, the power supply batteries are respectively arranged between two adjacent clamping blocks, the two clamping blocks at two ends are respectively connected with the pressing unit and the power supply mounting position, and the pressing unit is used for providing pressing force towards the direction of the power supply mounting position towards the clamping blocks close to the pressing unit so that each clamping block clamps each power supply battery;
after the upper cover is disassembled, the pressing force of the pressing unit acting on the clamping blocks is removed, so that the clamping force of each clamping block acting on each power supply battery is removed.
2. The power supply device according to claim 1, wherein the opposite surfaces of two adjacent clamping blocks are respectively provided with a limiting column and a limiting hole matched with the limiting column, and the limiting columns are inserted into the limiting holes.
3. The power supply device according to claim 1, wherein battery limiting grooves for accommodating batteries are further formed in opposite faces of two adjacent clamping blocks, and the power supply batteries are located in the battery limiting grooves.
4. A power supply device according to any one of claims 1 to 3, wherein the pressing unit includes a compression spring, one end of the compression spring abuts against the upper cover, and the other end of the compression spring abuts against the power supply unit.
5. A power supply device according to any one of claims 1 to 3, wherein a first sealing ring is provided between the upper cover and the bottom frame.
6. The power supply device according to any one of claims 1 to 3, further comprising a conversion unit, wherein the conversion unit is disposed in the accommodating cavity and is electrically connected with the power supply unit, and a device connection module connected with the conversion unit is disposed on a surface of the bottom frame and is used for connecting an external device.
7. The power supply device according to claim 6, wherein a surface of the housing is provided with a guard ring and a shield, the guard ring being located on a peripheral side of the connection module, the shield being screwed to the surface of the guard ring.
8. The power supply device of claim 7, wherein a second seal ring is disposed between the shield and the guard ring.
CN202210573980.9A 2022-05-25 2022-05-25 Power supply device Active CN114865194B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN114865194B true CN114865194B (en) 2023-11-21

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