CN110034258B - Underwater power supply and waterproof shell thereof - Google Patents
Underwater power supply and waterproof shell thereof Download PDFInfo
- Publication number
- CN110034258B CN110034258B CN201910228949.XA CN201910228949A CN110034258B CN 110034258 B CN110034258 B CN 110034258B CN 201910228949 A CN201910228949 A CN 201910228949A CN 110034258 B CN110034258 B CN 110034258B
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- Prior art keywords
- power supply
- side plate
- circuit board
- arc
- shell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an underwater power supply and a waterproof shell thereof, wherein the waterproof shell of the underwater power supply comprises a power supply shell and two output terminals embedded on a side plate of the power supply shell; each output terminal comprises a first plugging part exposed on the outer surface of the side plate, a second plugging part exposed on the inner surface of the side plate, and a connecting part embedded in the side plate and connected with the first plugging part and the second plugging part in a bent manner. According to the waterproof shell of the underwater power supply, the output terminal is embedded on the power supply shell in the forms of injection molding and the like, and is integrated with the power supply shell, so that the assembly process and the gap formed by assembly are eliminated, the problem of water seepage is avoided, and the waterproof sealing performance of the underwater power supply shell is improved.
Description
Technical Field
The invention relates to the technical field of power supplies, in particular to an underwater power supply and a waterproof shell thereof.
Background
With the development of science and technology and the deepening of underwater exploration, the development of underwater equipment is more and more common, and most of underwater equipment such as an underwater camera, an underwater booster and the like need to be supported by a power supply, so that the demand of the underwater power supply is brought. Output terminals corresponding to the positive electrode and the negative electrode are assembled on a shell of the underwater power supply, one end, located outside the shell, is used for connecting external equipment, and the other end, located inside the shell, is directly connected with a circuit board on the battery pack.
However, in the conventional production process, due to the structural limitation, the battery pack and the positive and negative output terminals need to be welded and connected by leads, and then the battery pack is packaged in the casing, and the positive and negative output terminals are fixedly connected to the casing. Therefore, the positive and negative output terminals are fixed to the housing by screws or gluing. The two modes not only have the problems of complicated assembly process and low production efficiency, but also reduce the sealing property of the shell due to gaps existing when the positive and negative output terminals are assembled with the shell. When the battery works in a deep water area, under the action of strong water pressure, seawater permeates from the assembly gap, so that an electrolytic cell is formed between the two output terminals, the output terminals are subjected to electrochemical corrosion, and even the seawater permeates into the shell to cause the whole battery to be scrapped.
Disclosure of Invention
The present invention provides a waterproof case for an underwater power supply, which improves waterproof sealing performance, and an underwater power supply having the waterproof case.
The technical scheme adopted by the invention for solving the technical problems is as follows: the waterproof shell of the underwater power supply comprises a power supply shell and two output terminals embedded on a side plate of the power supply shell; each output terminal comprises a first plugging part exposed on the outer surface of the side plate, a second plugging part exposed on the inner surface of the side plate, and a connecting part embedded in the side plate and connected with the first plugging part and the second plugging part in a bent manner.
Preferably, the two output terminals are symmetrically arranged on the side plate;
the first plug parts of the two output terminals are close to each other in opposite directions and are spaced, and the second plug parts of the two output terminals are back to back.
Preferably, two grooves are formed in the outer surface of the side plate, and the first inserting parts of the two output terminals are accommodated in the two grooves respectively;
an isolation part is formed between the two grooves to separate the two first inserting parts.
Preferably, the connecting portion includes a first bottom plate, a second bottom plate, and a connecting plate; the first bottom plate is embedded and fixed on the bottom surface of the groove, the second bottom plate is embedded and fixed on the inner surface of the side plate, and the connecting plate is embedded in the side plate and connected between the first bottom plate and the second bottom plate.
Preferably, the first inserting part comprises a first bottom plate and two first elastic sheets connected to two opposite sides of the first bottom plate, and one end of each first elastic sheet extends and bends to form a first arc-shaped part facing the other first elastic sheet; the first arc-shaped parts of the two first elastic sheets are opposite to each other through the raised arc surface, so that an insertion groove is formed between the two first arc-shaped parts.
Preferably, the second insertion part is an insertion piece perpendicular to the inner surface of the side plate.
Preferably, the output terminal is embedded on a side plate of the power supply housing through integral injection molding of the power supply housing.
The invention also provides an underwater power supply, which comprises the waterproof shell, a battery pack and a control assembly, wherein the battery pack and the control assembly are arranged in the power supply shell of the waterproof shell and are electrically connected; the control assembly is provided with two switching terminals corresponding to the positive electrode and the negative electrode, and the two switching terminals are respectively connected with the second inserting parts of the two output terminals of the waterproof shell in an inserting mode.
Preferably, the control assembly comprises a first circuit board arranged above the battery pack and connected and conducted with the battery pack, a second circuit board arranged above the first circuit board and connected with the first circuit board, and a third circuit board arranged above the second circuit board and connected with the second circuit board; the two transfer terminals are arranged on the third circuit board.
Preferably, the switching terminal comprises a second bottom sheet and two second elastic sheets connected to two opposite sides of the second bottom sheet, and one end of each second elastic sheet extends and bends to form a second arc-shaped part facing the other second elastic sheet; the second arc-shaped parts of the two second elastic sheets are opposite to each other through the raised arc surface, so that an insertion groove for inserting the second insertion parts is formed between the two second arc-shaped parts.
According to the underwater power supply waterproof shell, the output terminal is embedded on the power supply shell in the forms of injection molding and the like, and is integrated with the power supply shell, so that a gap formed by an assembly process and assembly is eliminated, and the sealing effect of the shell is improved. The special bending connecting part structure in the output terminal can not only increase the bonding strength of the positive and negative terminals and the shell, but also has the function of increasing the seawater permeation resistance, thereby achieving a very good waterproof effect.
In the underwater power supply, the battery pack is in a special structure that the switching terminal is in plug-in fit with the output terminal on the waterproof shell through the second plug-in part, so that the welding procedure in the traditional processing technology is omitted, the assembly is quicker and more convenient, more importantly, the limitation of the traditional structure is broken, the output terminals corresponding to the positive electrode and the negative electrode can be integrated with the shell in an injection molding mode, and the waterproof performance of the shell is greatly improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic perspective view of an underwater power supply in accordance with an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an underwater power supply in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an output terminal in the underwater power supply according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a connection terminal in an underwater power supply according to an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the underwater power supply of an embodiment of the present invention includes a waterproof case 1, and a battery pack 2 and a control assembly 3 disposed in the waterproof case 1; the battery pack 2 and the control unit 3 are electrically connected.
The waterproof case 1 includes a power supply case 10 and two output terminals 20 embedded on side plates of the power supply case 10. The two output terminals 20 are electrically connected with the control component 3, respectively correspond to the positive electrode and the negative electrode, and are used for plugging external devices and conducting the external devices and an underwater power supply.
The side plate where the output terminal 20 is located may be a side plate on an end of the power supply case 10 according to the arrangement of the power supply case 10. The other end of the power supply housing 10 is open, and the battery pack 2 and the control assembly 3 are accommodated in the power supply housing 10, and the power supply housing 10 is closed at the open end by the cover plate 4 in a sealing manner.
Referring to fig. 2 and 3, each output terminal 20 includes a first insertion part 21, a second insertion part 22, and a connection part 23 connecting the first insertion part 21 and the second insertion part 22 in a bent shape. The output terminal 20 is made of a metal material having good conductivity; the power supply housing 10 is embedded on the side plate of the power supply housing 10 through integral injection molding, so as to be tightly fixed on the side plate.
The first insertion part 21 is exposed on an outer surface of the side plate of the power supply casing 10 for insertion of an external device. The second mating part 22 is exposed on the inner surface of the side plate of the power supply casing 10, faces the control unit 3 in the power supply casing 10, and is electrically connected to the control unit 3. The connecting part 33 is embedded in the side plate, and connects the first plug part 21 and the second plug part 22 into a whole and is fastened on the side plate. Connecting portion 33 is the form of buckling, increases its and the curb plate between the connection area and be connected closely to improve waterproof nature, even there is water to permeate the gap between output terminal 20 and the curb plate from the curb plate surface, connecting portion 33's special structure of buckling not only can increase output terminal 20 and with power supply housing 10's bonding strength, still has the effect of the osmotic resistance of increase sea water, avoids water to permeate in power supply housing 10.
The two output terminals 20 are symmetrically disposed on the side plate of the power supply casing 10. The first plugging portions 21 of the two output terminals 20 are close to each other with a gap therebetween, and the second plugging portions 22 of the two output terminals 20 are opposite to each other with a distance therebetween.
The outer surface of the side plate is provided with two grooves 11 corresponding to the first inserting parts 21 of the two output terminals 20, and the first inserting parts 21 of the two output terminals 20 are respectively accommodated in the two grooves 11. A partition 12 is formed between the two grooves 11 to partition the two first socket parts 21. The first mating part 21 is located in the recess 11 and may be flush with or below the plane of the opening at the top of the recess 11.
Structurally, the first inserting part 21 may include a first bottom plate 210 and two first elastic pieces 211 connected to two opposite sides of the first bottom plate 210. One end of each first elastic sheet 211 extends and bends to form a first arc-shaped part 212 facing to the other first elastic sheet 211; the first arc-shaped parts 212 of the two first elastic pieces 211 are opposite to each other through a convex arc surface, so that an insertion groove is formed between the two first arc-shaped parts 212. When the plugging end of the external device is plugged into the plugging slot, the plugging end can drive the two first arc-shaped parts 212 to move back and forth so as to expand the plugging slot. After plugging, the two first arc-shaped parts 212 move towards each other and tightly abut against the two sides of the plugging end due to the elastic restoring force, so that sufficient contact conduction is formed.
The second mating portion 22 is a mating tab that is perpendicular to the inner surface of the side plate.
The connection portion 23 includes a first base plate 231, a second base plate 232, and a connection plate 233. The first bottom plate 231 is fitted on the bottom surface of the groove 11, the second bottom plate 232 is fitted on the inner surface of the side plate, and the connection plate 233 is fitted inside the side plate and connected between the first bottom plate 231 and the second bottom plate 232.
In this embodiment, the first bottom plate 231 and the second bottom plate 232 are opposite end to end and located on different planes at intervals, and the connecting plate 233 is connected between the first bottom plate 231 and the second bottom plate 232 perpendicularly or obliquely with respect to the two. Taking the placement direction of the output terminal 20 shown in fig. 3 as an example, the first mating portion 21 is connected to the first base plate 231, and the second mating portion 22 is connected below the second base plate 231 in parallel with the first mating portion 21. Within the power supply housing 10, the second plug part 22 faces the control assembly 3.
The battery pack 2 is encapsulated in the power supply housing 10 by potting, and the positive pole and the negative pole on the battery pack 2 face the side plate where the output terminal 20 is located. The control module 3 is disposed between the battery pack 2 and the side plates where the output terminals 20 are located. The control assembly 3 is provided with two switching terminals 40 corresponding to the positive electrode and the negative electrode, the two switching terminals 40 are connected with the positive electrode and the negative electrode of the battery pack through the control assembly 3, and are also respectively plugged with the second plugging portions 22 of the two output terminals 20 to conduct the battery pack 2 and the output terminals 20.
The control assembly 3 may include a first circuit board 31 disposed above the battery pack 2 and connected to the battery pack 2, a second circuit board 32 disposed above the first circuit board 31 and connected to the first circuit board 31, and a third circuit board 33 disposed above the second circuit board 32 and connected to the second circuit board 32. The second circuit board 32 and the first circuit board 31, and the third circuit board 33 and the second circuit board 32 are electrically connected by connectors, respectively. Two relay terminals 40 are provided on the third circuit board 33.
As shown in fig. 3 and 4, the adapting terminal 40 is inserted into the second inserting portion 22, and may include a second bottom plate 41 and two second resilient sheets 42 connected to two opposite sides of the second bottom plate 41. One end of each second elastic sheet 42 extends and bends to form a second arc-shaped part 43 facing to the other second elastic sheet 42; the second arc-shaped parts 43 of the two second spring plates 42 are opposite to each other with a convex arc surface, so that an insertion groove is formed between the two second arc-shaped parts 43 for the insertion of the second insertion part 22. Taking the second plugging portion 22 as an example of a plugging sheet, when the plugging sheet is plugged into the plugging groove of the adapting terminal 40, the two second arc-shaped portions 43 are driven to move back to expand the plugging groove. After plugging, the two second arc-shaped portions 43 move towards each other and tightly abut against the two sides of the plugging piece due to the elastic restoring force, so that sufficient contact conduction is formed.
As shown in fig. 2, in the underwater power supply of the present embodiment, two output terminals 20 are located at one end of the power supply housing 10, the first insertion portions 21 of the two output terminals 20 are oppositely disposed, the interval between the two insertion portions is 0.5mm or more, the second insertion portions 22 of the two output terminals 20 are oppositely disposed in the power supply housing 10, and the two adapting terminals 40 are oppositely disposed and respectively disposed corresponding to the two second insertion portions 22.
The other end of the power supply shell 10 is open, during assembly, the control component 3 can be connected with the battery pack 2 in advance to form a whole, the whole formed by the control component 3 and the battery pack 2 is installed in the power supply shell 10, the two switching terminals 40 on the control component 3 are respectively plugged with the second plugging parts 22 of the two output terminals 40, and finally the cover plate 4 is closed on the open end cover of the power supply shell 10 to be sealed, so that the assembly of the underwater power supply is completed.
Compared with the traditional mechanical assembly combination mode of the output terminal and the shell, the invention adopts the process of injection molding and integral molding of the output terminal and the shell and the mode of inserting and matching the battery pack with the second inserting part of the output terminal through the switching terminal, thereby not only improving the sealing property of the power supply shell, but also simplifying the production and assembly process, greatly improving the production efficiency and ensuring the consistency of the product.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The waterproof case of the underwater power supply is characterized in that the waterproof case (1) comprises a power supply shell (10) and two output terminals (20) which are integrally arranged on a side plate of the power supply shell (10) in an injection molding and embedding manner; each output terminal (20) comprises a first plug-in part (21) exposed on the outer surface of the side plate, a second plug-in part (22) exposed on the inner surface of the side plate, and a connecting part (23) embedded in the side plate and connected with the first plug-in part (21) and the second plug-in part (22) in a bent manner;
the two output terminals (20) are symmetrically arranged on the side plate;
the first plug parts (21) of the two output terminals (20) are close to each other in opposite directions with a gap, and the second plug parts (22) of the two output terminals (20) are away from each other in opposite directions;
two grooves (11) are formed in the outer surface of the side plate, and first inserting parts (21) of the two output terminals (20) are accommodated in the two grooves (11) respectively;
a separation part (12) is formed between the two grooves (11) to separate the two first plug parts (21);
the connecting part (23) comprises a first bottom plate (231), a second bottom plate (232) and a connecting plate (233); the first bottom plate (231) is embedded and fixed on the bottom surface of the groove (11), the second bottom plate (232) is embedded and fixed on the inner surface of the side plate, and the connecting plate (233) is embedded and arranged inside the side plate and connected between the first bottom plate (231) and the second bottom plate (232).
2. The waterproof case of the underwater power supply according to claim 1, wherein the first inserting portion (21) comprises a first bottom sheet (210), two first elastic sheets (211) connected to two opposite sides of the first bottom sheet (210), and one end of each first elastic sheet (211) extends and bends to form a first arc-shaped portion (212) facing the other first elastic sheet (211); the first arc-shaped parts (212) of the two first elastic sheets (211) are opposite to each other through a convex arc surface, so that an insertion groove is formed between the two first arc-shaped parts (212).
3. The watertight case of an underwater power supply according to claim 1, wherein said second inserting portion (22) is an inserting piece which is perpendicular to an inner surface of said side plate.
4. The watertight case of an underwater power supply according to any one of claims 1 to 3, wherein the output terminal (20) is embedded on a side plate of the power supply housing (10) by integral injection molding of the power supply housing (10).
5. An underwater power supply, characterized by comprising a watertight case (1) according to any one of claims 1 to 4, and further comprising a battery pack (2) and a control assembly (3) disposed within and electrically connected to a power supply housing (10) of the watertight case (1); the control assembly (3) is provided with two switching terminals (40) corresponding to the positive pole and the negative pole, and the two switching terminals (40) are respectively connected with the second inserting parts (22) of the two output terminals (20) of the waterproof shell (1) in an inserting mode.
6. Underwater power supply according to claim 5, wherein the control assembly (3) comprises a first circuit board (31) arranged above the battery pack (2) and in conductive connection with the battery pack (2), a second circuit board (32) arranged above the first circuit board (31) and connected with the first circuit board (31), a third circuit board (33) arranged above the second circuit board (32) and connected with the second circuit board (32); the two relay terminals (40) are provided on the third circuit board (33).
7. The underwater power supply of claim 5, wherein the switching terminal (40) comprises a second bottom sheet (41) and two second elastic sheets (42) connected to two opposite sides of the second bottom sheet (41), and one end of each second elastic sheet (42) extends and bends to form a second arc-shaped part (43) facing the other second elastic sheet (42); the second arc-shaped parts (43) of the two second elastic sheets (42) are opposite to each other through a raised arc surface, so that an insertion groove for inserting the second insertion part (22) is formed between the two second arc-shaped parts (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228949.XA CN110034258B (en) | 2019-03-25 | 2019-03-25 | Underwater power supply and waterproof shell thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228949.XA CN110034258B (en) | 2019-03-25 | 2019-03-25 | Underwater power supply and waterproof shell thereof |
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| CN110034258A CN110034258A (en) | 2019-07-19 |
| CN110034258B true CN110034258B (en) | 2021-12-17 |
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| CN201910228949.XA Active CN110034258B (en) | 2019-03-25 | 2019-03-25 | Underwater power supply and waterproof shell thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110034258A (en) | 2019-07-19 |
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