CN113161670B - Explosion-proof battery box - Google Patents
Explosion-proof battery box Download PDFInfo
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- CN113161670B CN113161670B CN202110347021.0A CN202110347021A CN113161670B CN 113161670 B CN113161670 B CN 113161670B CN 202110347021 A CN202110347021 A CN 202110347021A CN 113161670 B CN113161670 B CN 113161670B
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- Prior art keywords
- charging
- shell
- explosion
- proof
- circuit board
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Classifications
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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
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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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application is applicable to the technical field of oil mine charging equipment, and provides an explosion-proof battery box which comprises a shell, a circuit board, a storage battery, a bottom cover and a sealing piece, wherein an opening is formed in the bottom of the shell, and a charging seat is arranged at the top of the shell; the circuit board is fixed in the shell, and the connection parts of the circuit board and the charging plug and the charging connector of the charging seat are respectively sealed by glue filling; the storage battery is fixed in the shell and is electrically connected with the circuit board; the bottom cover is connected with the shell and used for closing the opening; the sealing member is arranged along the circumference of the opening and is positioned between the bottom cover and the shell and used for sealing the bottom cover and the shell. According to the explosion-proof battery box provided by the embodiment of the application, the bottom cover and the shell are sealed through the sealing piece, so that the explosion-proof battery box can be used in an explosion-proof place, a mobile electrical product can be placed on the charging seat for charging, and the problem that the mobile electrical product in the prior art cannot be used in continuous operation for a long time due to the fact that the mobile electrical product cannot be rapidly powered in the explosion-proof place is solved.
Description
Technical Field
The application relates to the technical field of oil mine charging equipment, in particular to an explosion-proof battery box.
Background
At present, mobile electrical products such as mobile lighting equipment are widely applicable to emergency lighting and the like in areas with explosive gases of enterprises such as petroleum exploitation, metallurgy, various damp and the like, however, the existing mobile electrical products are all externally connected with a power supply in explosion-proof places, the power supply cannot be placed in the explosion-proof places, or the mobile electrical products are internally charged with electricity to supply electricity, the power supply battery is required to be charged in non-explosion-proof places after power consumption, and the mobile electrical products are installed and used after the charging is completed. This results in frequent transport charging during use and thus does not allow continuous operation over a long period of time.
Disclosure of Invention
The embodiment of the application aims to provide an explosion-proof battery box, which aims to solve the technical problem that in the prior art, mobile electrical products cannot be used for continuous operation for a long time because power cannot be rapidly supplied to an explosion-proof place.
In order to achieve the above purpose, the application adopts the following technical scheme: provided is an explosion-proof battery case including:
the charging device comprises a shell, wherein an opening is formed in the bottom of the shell, a charging seat is arranged at the top of the shell, and a charging connector used for being connected with an external power supply is arranged on the side wall of the shell;
the circuit board is fixed in the shell, the charging plug of the charging seat and the charging connector are electrically connected with the circuit board, and the connection parts of the circuit board and the charging plug of the charging seat and the charging connector are respectively sealed by glue filling;
the storage battery is fixed in the shell and is electrically connected with the circuit board;
the bottom cover is connected with the shell and is used for closing the opening;
and the sealing piece is arranged along the circumferential direction of the opening, is positioned between the bottom cover and the shell and is used for sealing the bottom cover and the shell.
In some embodiments of the present application, the charging seat is provided with a mounting groove for mounting the charging plug, the mounting groove is provided with a connecting hole, a wire is arranged through the connecting hole and is connected with the charging plug and the circuit board, and the connection part of the wire and the connecting hole is connected through glue filling and sealing.
In some embodiments of the present application, a fixing plate is further disposed on the charging seat, a through hole for penetrating the charging plug is disposed on the fixing plate, an insulation sleeve is abutted to a connection portion between the charging plug and the fixing plate, and the insulation sleeve is sleeved on the charging plug.
In some embodiments of the application, the explosion-proof battery case further comprises an insulating cover connected to the housing and configured to cover the charging stand such that the charging plug is enclosed within the insulating cover.
In some embodiments of the present application, a protrusion is disposed inside the insulating cover, a recess that mates with the protrusion is disposed on the charging stand, and the insulating cover is detachably connected to the charging stand through the protrusion and the recess.
In some embodiments of the application, the explosion-proof battery case further comprises an end cap for detachable connection with the charging connector, the end cap being wrapped around the charging connector.
In some embodiments of the application, the end cap is connected to the housing by a flexible connection, and a sealing rubber ring is provided within the end cap, the sealing rubber ring being capable of abutting against an end of the charging connector.
In some embodiments of the application, the explosion-proof battery box further comprises a battery mounting frame, a containing groove is formed in the battery mounting frame, the storage battery is arranged in the containing groove, and the battery mounting frame is fixedly connected with the shell.
In some embodiments of the application, an insulating pad is provided at a position where the receiving groove abuts against the storage battery.
In some embodiments of the application, the explosion-proof battery case further comprises a power display element electrically connected with the circuit board and fixed on the housing and configured to display power information of the storage battery.
The explosion-proof battery box provided by the application has the beneficial effects that: compared with the prior art, the explosion-proof battery box has the advantages that the storage battery and the circuit board are arranged in the shell, the charging connector and the charging plug are formed on the shell, the bottom cover is covered at the opening of the shell, the bottom cover and the shell are sealed through the sealing piece to achieve an explosion-proof level, the sealed explosion-proof battery box is called as an nR type anti-breathing explosion-proof battery box, surrounding combustible gas can be prevented from entering the inside of the explosion-proof battery box, electric components in the explosion-proof battery box cannot contact the combustible gas, and further the explosion-proof battery box cannot become an ignition source of a surrounding combustible gas mixture, so that the explosion-proof battery box can be used in an explosion-proof place, a mobile electric product can be placed on the charging seat to be connected with the charging plug for charging, and the problem that the mobile electric product in the prior art cannot be rapidly powered in the explosion-proof place, and cannot be continuously used for a long time is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of an angle structure of an explosion-proof battery case according to an embodiment of the present application;
fig. 2 is a schematic view of another view angle structure of an explosion-proof battery case according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of the explosion-proof battery case of FIG. 2 taken along the direction A-A;
fig. 4 is an enlarged schematic view of a portion B of the explosion-proof battery case of fig. 3;
fig. 5 is a schematic view of still another view structure of an explosion-proof battery case according to an embodiment of the present application;
fig. 6 is a schematic view of an explosion-proof battery case according to an embodiment of the present application with a bottom cover removed.
Reference numerals related to the above figures are as follows:
1-a housing; 2-a circuit board; 3-a storage battery; 4-a bottom cover; 5-a seal; 6-a charging connector; 7-a charging stand; 8-an insulating cover; 9-end caps; 10-battery mounting rack; 11-insulating pads; 12-an electric quantity display element;
101-opening;
701-a charging plug; 702-mounting slots; 703-a fixing plate; 704-insulating sleeve;
7011-a connection hole;
801-protrusions;
901-sealing a rubber ring; 902-flexible connection.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. 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 application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In order to explain the technical scheme of the application, the following is a detailed description with reference to the specific drawings and embodiments.
As shown in fig. 1 to 6, an embodiment of the present application provides an explosion-proof battery case, which comprises a case 1, a circuit board 2, a storage battery 3, a bottom cover 4 and a sealing member 5, wherein an opening 101 is arranged at the bottom of the case 1, a charging seat 7 is arranged at the top of the case 1, and a charging connector 6 for connecting with an external power supply is arranged on the side wall of the case 1; the circuit board 2 is fixed in the shell 1, the charging plug 701 and the charging connector 6 of the charging seat 7 are electrically connected with the circuit board 2, and the connection parts of the circuit board 2 and the charging plug 701 and the charging connector 6 of the charging seat 7 are respectively sealed by glue filling; the storage battery 3 is fixed in the shell 1 and is electrically connected with the circuit board 2; the bottom cover 4 is connected with the shell 1 and is used for closing the opening 101; the sealing member 5 is disposed along the circumferential direction of the opening 101 and is located between the bottom cover 4 and the housing 1, for sealing the bottom cover 4 and the housing 1.
According to the explosion-proof battery box provided by the embodiment of the application, the storage battery 3 and the circuit board 2 are arranged in the shell 1, the charging connector 6 and the charging plug 701 are formed on the shell 1, meanwhile, the bottom cover 4 is covered at the opening 101 of the shell 1, the bottom cover 4 and the shell 1 are sealed through the sealing piece 5 to achieve an explosion-proof level, the sealed explosion-proof battery box is called as an nR type anti-breathing explosion-proof battery box, surrounding combustible gas can be prevented from entering the inside of the explosion-proof battery box, electric components in the explosion-proof battery box cannot contact the combustible gas, and further the explosion-proof battery box cannot become an ignition source of surrounding combustible gas mixture, so that the explosion-proof battery box can be used in an explosion-proof place, a mobile electric product can be placed on the charging seat 7 and connected with the charging plug 701 for charging, and the problem that the mobile electric product cannot be used continuously for a long time in the explosion-proof place in the prior art is solved.
It should be noted that, the casing 1 and the bottom cover 4 may be made of metal materials, the casing 1 and the bottom cover 4 may be connected by screws, the sealing member 5 may be a sealing ring made of rubber materials, the connection part between the circuit board 2 and the charging connector 6 and the inlet of the charging plug 701 may be filled and sealed by glue filling, so as to avoid the combustible gas from entering, when the electric quantity of the explosion-proof battery box is insufficient, the explosion-proof battery box may be charged by taking an external power supply through the charging connector 6, or may be connected with the charging connector 6 by an explosion-proof charger, so as to directly charge the explosion-proof battery box, in addition, the circuit board 2 is a commonly used battery control circuit board 2, the charging connector 6 may be two male contact pins or female contact pins, the charging plug 701 may be three contact pins, the contact pins and the circuit board 2 may be electrically connected by cables, and the mobile electrical appliance product may be 6003 devices.
The method comprises the steps of carrying out pressure test and gas detection on an explosion-proof battery box during production, for example, carrying out pressure test, vacuumizing a sample in a constant temperature state, and enabling the internal pressure of the sample to be lower than the atmospheric pressure by 3kPa; then, the vacuum pump was turned off to gradually raise the internal pressure of the explosion-proof battery case to 1.5kPa below the atmospheric pressure, during which time it should not be less than 3 minutes. Testing of combustible gases, in which the test person should place the device under test in a combustible gas, air mixture (low concentration side with concentration in the explosion limit range) under laboratory environmental conditions, the test is carried out according to the "temperature test" method, and at the end of the test, the presence of the test gas should not be detected in the "nR" type explosion-proof electrical device.
In some embodiments of the present application, as shown in fig. 3 and 4, optionally, a mounting groove 702 for mounting the charging plug 701 is provided on the charging stand 7, a connection hole 7011 is provided on the mounting groove 702, a wire is inserted through the connection hole 7011 and connected to the charging plug 701 and the circuit board 2, and a connection portion between the wire and the connection hole 7011 is sealed by glue filling.
In this embodiment, the charging plug 701 is arranged in the connection hole 7011 in a penetrating manner, the charging end is located in the installation groove 702, the other end of the charging plug 701 is connected with the circuit board 2 through a wire, the position where the charging plug 701 is arranged in a penetrating manner is filled and sealed through glue filling, so that the external combustible gas is prevented from entering the shell 1 from a gap between the connection hole 7011 and the wire, and the sealing effect is improved.
In the above embodiment of the present application, optionally, as shown in fig. 3 and 4, a fixing plate 703 is further disposed on the charging stand 7, a through hole for penetrating the charging plug 701 is disposed on the fixing plate 703, an insulating sleeve 704 is abutted to a connection portion between the charging plug 701 and the fixing plate 703, and the insulating sleeve 704 is sleeved on the charging plug 701.
In this embodiment, the charging plug 701 may be a contact pin, the contact pin passes through a through hole of the fixing plate 703, an annular rib is arranged in the circumferential direction of the contact pin, the lower surface of the annular rib abuts against the top surface of the fixing plate 703, the insulating sleeve 704 is sleeved on the contact pin, the bottom edge of the insulating sleeve 704 abuts against the upper surface of the annular rib, the charging end of the contact pin protrudes into the mounting groove 702 through the connecting hole 7011, and the mounting tightness of the charging plug 701 is increased due to the design of the fixing plate 703 and the insulating sleeve 704.
It should be noted that the insulating sleeve 704 may be made of a rubber material or Polycarbonate (PC).
In some embodiments of the present application, as shown in fig. 1 and 3, the explosion-proof battery case further includes an insulating cover 8, and the insulating cover 8 is connected to the housing 1 and is used to cover the charging stand 7, so that the charging plug 701 is wrapped in the insulating cover 8.
In this embodiment, the insulating cover 8 may be connected to the housing 1 through a soft rubber strip, specifically, one end of the soft rubber strip is connected to the housing 1 through a screw, and the other end is connected to the insulating cover 8, so as to avoid the insulating cover 8 from being lost when being removed from the charging stand 7, and meanwhile, in a non-charging state, the insulating cover 8 can cover the charging stand 7 to protect the charging plug 701 from leaking, and the insulating cover 8 may be made of a rubber material, so that it has elasticity, and is convenient for sealing and dismounting with the charging stand 7.
In the above embodiment of the present application, as shown in fig. 4, a protrusion 801 is provided inside the insulating cover 8, a recess matching with the protrusion 801 is provided on the charging stand 7, and the insulating cover 8 is detachably connected to the charging stand 7 through the protrusion 801 and the recess.
In this embodiment, a plurality of protrusions 801 are formed on the inner side wall of the insulating cover 8 along the circumferential direction, and the protrusions 801 are matched with the pits on the outer side wall of the charging seat 7, so that when the insulating cover 8 is covered on the charging seat 7, the protrusions 801 are located in the pits, thereby realizing the limiting effect between the insulating cover 8 and the charging seat 7, and avoiding the situation that the insulating cover 8 is easy to fall off from the charging seat 7.
In some embodiments of the application, as shown in fig. 3, the explosion-proof battery case further includes an end cap 9 for detachable connection with the charging connector 6, and the end cap 9 may be wrapped around the charging connector 6.
In this embodiment, the end cover 9 may be made of a rubber material, and when the charging connector 6 is not used, the charging connector 6 is wrapped by the end cover 9, specifically, an external thread may be disposed on the outer side of the charging connector 6, and an inner wall of the end cover 9 is disposed on an internal thread matched with the external thread, so that the internal thread is connected with the external thread, and the end cover 9 is connected with the charging connector 6, so that the disassembly is convenient.
In the above embodiment of the present application, the end cap 9 is connected to the housing 1 by a flexible connector 902, and a sealing rubber ring 901 is provided in the end cap 9, and the sealing rubber ring 901 can abut against the end of the charging connector 6.
In this embodiment, the flexible connection member 902 may be a rectangular connection bar made of rubber material, so that the flexible connection bar is soft, one end of the rectangular connection bar is fixed on the housing 1 by a screw, the other end of the rectangular connection bar is integrally formed with the end cover 9, meanwhile, an annular sealing rubber ring 901 is arranged on the inner top wall of the end cover 9, and when the end cover 9 is covered on the charging connector 6, the sealing rubber ring 901 abuts against the end of the charging connector 6, so as to increase the sealing effect between the sealing rubber ring and the end cover 9.
In some embodiments of the present application, as shown in fig. 3, the explosion-proof battery box further includes a battery mounting frame 10, a receiving groove is provided on the battery mounting frame 10, the storage battery 3 is disposed in the receiving groove, and the battery mounting frame 10 is fixedly connected with the housing 1.
In this embodiment, battery 3 is fixed inside casing 1 through battery mount 10, and specifically, the battery is placed inside casing 1, sets up the screw spliced pole around the week side of battery 3 on casing 1, and the edge of battery mount 10 sets up the through-hole, and the screw passes through the through-hole screw in the screw spliced pole, and then fastens battery 3 in casing 1, has increased the fixed strength of battery 3.
In the above embodiment of the present application, as shown in fig. 3, an insulating pad 11 is provided at a position where the receiving groove abuts against the battery 3. The insulating mat 11 may be made of a rubber material, so that the insulating mat 11 plays a role in protecting the battery 3 from being scratched by the battery mount 10 to damage the battery 3 when the battery 3 is in contact with the receiving groove of the battery mount 10.
In some embodiments of the present application, as shown in fig. 3, the explosion-proof battery case further includes a power display element 12, and the power display element 12 is electrically connected to the circuit board 2 and fixed to the housing 1, and configured to display power information of the storage battery 3.
In this embodiment, the electric quantity display element 12 may be made of a transparent material, so that an operator can grasp the electric quantity of the storage battery 3 in real time through displaying the electric quantity information of the storage battery 3, so as to charge the explosion-proof battery box in time, and the charging of the electric mobile product in the later period is not affected.
In summary, compared with the prior art, the explosion-proof battery box disclosed by the application has the advantages that the storage battery and the circuit board are arranged in the shell, the charging connector and the charging plug are formed on the shell, meanwhile, the bottom cover is covered at the opening of the shell, the bottom cover and the shell are sealed through the sealing piece, the explosion-proof level is achieved, the sealed explosion-proof battery box is called as an nR type anti-breathing explosion-proof battery box, surrounding combustible gas can be prevented from entering the inside of the explosion-proof battery box, electric components in the explosion-proof battery box cannot contact the combustible gas, and further the explosion-proof battery box cannot become an ignition source of surrounding combustible gas mixture, so that the explosion-proof battery box can be used in an explosion-proof place, and a mobile electric product can be placed on the charging seat to be connected with the charging plug for charging, thereby solving the problem that the mobile electric product in the prior art cannot be rapidly powered in the explosion-proof place, and cannot be continuously operated for a long time.
The above description is illustrative of the various embodiments of the application and is not intended to be limiting, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (4)
1. An explosion-proof battery case, comprising:
the charging device comprises a shell, wherein an opening is formed in the bottom of the shell, a charging seat is arranged at the top of the shell, and a charging connector used for being connected with an external power supply is arranged on the side wall of the shell;
the circuit board is fixed in the shell, the charging plug of the charging seat and the charging connector are electrically connected with the circuit board, and the connection parts of the circuit board and the charging plug of the charging seat and the charging connector are respectively sealed by glue filling;
the storage battery is fixed in the shell and is electrically connected with the circuit board;
the bottom cover is connected with the shell and is used for closing the opening;
a seal member disposed along a circumferential direction of the opening and located between the bottom cover and the housing for sealing the bottom cover and the housing; the sealing element is a sealing ring made of rubber materials;
the charging seat is provided with a mounting groove for mounting the charging plug, the mounting groove is provided with a connecting hole, a wire penetrates through the connecting hole and is connected with the charging plug and the circuit board, and the joint of the wire and the connecting hole is connected in a sealing manner through glue filling;
the charging seat is also provided with a fixed plate, the fixed plate is provided with a through hole for penetrating the charging plug, the joint of the charging plug and the fixed plate is abutted with an insulating sleeve, and the insulating sleeve is sleeved on the charging plug;
the explosion-proof battery box further comprises an insulating cover, wherein the insulating cover is connected with the shell and is used for being covered on the charging seat so that the charging plug is wrapped in the insulating cover;
the inside of the insulating cover is provided with a bulge, the charging seat is provided with a pit matched with the bulge, and the insulating cover is detachably connected with the charging seat through the bulge and the pit;
the explosion-proof battery box further comprises an end cover which is detachably connected with the charging connector, and the end cover is wrapped on the charging connector;
the end cover is connected with the shell through a flexible connecting piece, and a sealing rubber ring is arranged in the end cover and can be propped against the end part of the charging connector.
2. The explosion-proof battery box according to claim 1, further comprising a battery mounting rack, wherein a containing groove is formed in the battery mounting rack, the storage battery is arranged in the containing groove, and the battery mounting rack is fixedly connected with the shell.
3. The explosion-proof battery case according to claim 2, wherein the receiving groove is provided with an insulating pad at a position where the storage battery abuts.
4. The explosion-proof battery case according to claim 1, further comprising an electric quantity display element electrically connected to the circuit board and fixed to the housing and configured to display electric quantity information of the storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110347021.0A CN113161670B (en) | 2021-03-31 | 2021-03-31 | Explosion-proof battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110347021.0A CN113161670B (en) | 2021-03-31 | 2021-03-31 | Explosion-proof battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113161670A CN113161670A (en) | 2021-07-23 |
| CN113161670B true CN113161670B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110347021.0A Active CN113161670B (en) | 2021-03-31 | 2021-03-31 | Explosion-proof battery box |
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