CN110635418A - Switch type single-side sealing high-pressure plastic junction box - Google Patents
Switch type single-side sealing high-pressure plastic junction box Download PDFInfo
- Publication number
- CN110635418A CN110635418A CN201910978603.1A CN201910978603A CN110635418A CN 110635418 A CN110635418 A CN 110635418A CN 201910978603 A CN201910978603 A CN 201910978603A CN 110635418 A CN110635418 A CN 110635418A
- Authority
- CN
- China
- Prior art keywords
- base
- shielding
- upper cover
- sealing
- ring
- 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.)
- Pending
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The invention belongs to the technical field of new energy automobiles, and particularly relates to a switch type single-side sealing high-voltage plastic junction box which comprises an upper cover and a base, wherein the upper cover at least comprises a plastic upper cover body, an upper cover shielding cover and an insulating upper rubber core; the base at least comprises a switching sheath, a sealing O-shaped ring, an L-shaped copper bar terminal assembly, an end face sealing ring, a base main body, a shielding base, a base sealing gasket, a shielding ring and a shielding ring rubber core. The invention solves the problems that the base of the junction box and the box body can not be sealed at one side, the upper cover is opened or closed without feedback, and electromagnetic shielding is leaked.
Description
Technical Field
The invention belongs to the technical field of new energy automobiles, and particularly relates to a switch type single-side sealing high-pressure plastic junction box.
Background
At present, new energy automobiles become a necessary trend for the development of the automobile industry, and batteries are the core of the new energy automobiles and serve as junction boxes for connecting the batteries with loads or power supplies to play a role in connecting bridges. The existing junction box cannot realize unilateral waterproof, and the risk of water inlet exists in the battery box when the upper cover is detached for maintenance or loosened; secondly, the junction box has no feedback loop, so the system cannot detect the state of the junction box, and when a maintenance worker opens the upper cover, the safety risk of electric shock exists; the electromagnetic shielding is more and more emphasized, the existing junction box can not realize 360-degree shielding, and shielding leakage exists.
Disclosure of Invention
The invention aims to provide a switch type single-side sealing high-pressure plastic junction box.
The technical scheme of the invention is as follows: the switch type single-side sealing high-voltage plastic junction box comprises an upper cover and a base, wherein the upper cover at least comprises a plastic upper cover body, an upper cover shielding cover and an insulating upper glue core;
the base at least comprises a switching sheath, a sealing O-shaped ring, an L-shaped copper bar terminal assembly, an end face sealing ring, a base main body, a shielding base, a base sealing gasket, a shielding ring and a shielding ring rubber core, the shielding base and the base main body are integrally formed by injection molding, and at least two or more salient points at the bottom of the shielding base are exposed on a combining surface with the bottom surface of the base main body and are used for shielding the base and a box body panel to be in shielding contact conduction; the inner side of the shielding base is at least provided with a left surface and a right surface which are exposed out of a joint surface in the cavity of the shielding base body and are used for being in contact conduction with the upper cover shielding cover, and the joint of the shielding base and the shielding ring is completely wrapped and separated by the plastic base body to prevent the shielding base from being in contact conduction with the shielding ring;
the L-shaped copper bar terminal assembly is perpendicular to the base main body and is integrally formed in an injection molding mode, the upper surface of the L-shaped copper bar terminal is exposed out of the base plastic main body and is in contact conduction with the switching sheath, and the base main body and the switching sheath are radially sealed;
the shielding ring and the shielding ring rubber core are fixed on the base main body through clamping jaws.
Preferably, the insulation gluing core is fixed in the plastic upper cover body through a plurality of buckling positions.
Preferably, the base body is provided with a groove in the cavity, so that the adapter sleeve is embedded into the groove, and sealing O-rings are respectively added between a fixing cylindrical surface or a groove of the L-shaped copper bar terminal assembly riveting nut sealing O-ring and the inner surface of the adapter sleeve, and between the outer surface of the adapter sleeve and the inner surface of the cylindrical groove cylinder in the base body cavity, so as to realize radial waterproof sealing, thereby realizing unilateral sealing of the L-shaped copper bar terminal assembly and the base body.
Preferably, the L-shaped copper bar terminal assembly at least comprises an L-shaped copper bar terminal and a riveting nut, and the L-shaped copper bar terminal and the riveting nut are fixed together in a riveting manner to form the L-shaped copper bar terminal assembly.
Preferably, the switching sheath and the L-shaped copper bar terminal assembly are in pressed contact and conduction with the end face of the switching sheath through a wiring harness locking bolt and the riveting nut.
Preferably, the bottom of the shielding base is provided with a base sealing gasket, the base sealing gasket is provided with a plurality of annular sealing convex ribs, and the unilateral sealing of the base and the box body installation panel is realized.
Preferably, the upper cover and the base are fixed through a plurality of locking bolts, and the upper cover and the base are sealed through compressing the end face sealing ring.
Preferably, the upper cover shielding case is inserted with the shielding base in an embedded manner to realize 360-degree shielding sealing, and a plurality of elastic sheet contacts arranged around the upper cover shielding case are respectively contacted with the inner side of the shielding base and the shielding ring, so that the shielding loop between the shielding ring and the shielding base is switched on.
The invention has the beneficial effects that:
1. the invention relates to a wiring box, which comprises a base body, a shielding ring, a shielding base, a wiring box cover, a wiring box power supply, a power supply and a power supply control circuit, wherein the shielding ring is arranged on the base body, the wiring box cover is arranged on the wiring box cover, the shielding ring is arranged on the wiring box cover, the wiring box cover is.
2. According to the invention, the shielding cover of the upper cover and the shielding base are laterally embedded and inserted to realize 360-degree shielding sealing, so that shielding leakage at the shielding joint of the upper cover and the lower cover is prevented.
3. According to the invention, the switching sheath is additionally arranged, and the sealing O-rings are additionally arranged between the fixing cylindrical surface or groove of the O-ring of the riveting nut sealing ring of the L-shaped copper bar terminal assembly and the inner surface of the switching sheath and between the outer surface of the switching sheath and the inner surface of the cylindrical groove cylinder in the cavity of the base main body respectively, so that the end surface sealing between the L-shaped copper bar terminal assembly and the base main body is converted into radial waterproof sealing, and thus the unilateral sealing between the L-shaped copper bar terminal assembly and.
4. According to the invention, a plurality of annular closed convex ribs are designed on the base sealing gasket, the convex ribs are respectively positioned at two sides of a bonding line between the exposed salient points of the shielding base and the base body, and the bonding line is sealed by compressing the sealing convex ribs, so that the unilateral sealing of the base and the mounting panel of the box body is realized.
5. The upper cover shield cover is clamped between the upper cover body and the insulating gluing core, and the insulating gluing core is fixed in the plastic upper cover body through a plurality of buckling positions, so that the plastic upper cover body, the insulating gluing core and the upper cover shield cover are effectively prevented from loosening as a whole body which is stable.
Drawings
FIG. 1 is an exploded view of the switch type single-side sealed high-voltage plastic junction box of the present invention.
FIG. 2 is a schematic view of the base structure of the switch type single-side sealed high-voltage plastic junction box of the present invention.
FIG. 3 is a cross-sectional view of the switch type single-side sealed high-voltage plastic junction box of the present invention.
FIG. 4 is a schematic longitudinal cross-sectional view of the switch type single-side sealed high-voltage plastic junction box of the present invention.
FIG. 5 is a schematic view of an L-shaped copper bar terminal assembly in the switch type single-side sealed high-voltage plastic terminal box according to the present invention.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings:
referring to fig. 1 and 2, the invention provides a switch type single-side sealed high-voltage plastic junction box, which comprises an upper cover and a base, wherein the upper cover at least comprises a plastic upper cover body 1, an upper cover shielding case 2 and an insulating upper rubber core 3, the upper cover shielding case 2 is clamped between the upper cover body 1 and the insulating upper rubber core 3, a plurality of elastic sheet contacts for shielding contact are arranged on the periphery of the upper cover shielding case 2, and the elastic sheet contacts protrude out of the upper cover and are in contact with the inner side of the shielding base;
the base at least comprises a switching sheath 4, a first sealing O-shaped ring 5, an L-shaped copper bar terminal assembly 6, an end face sealing ring 7, a base main body 8, a shielding base 9, a base sealing gasket 10, a shielding ring 11, a shielding ring rubber core 12 and a second sealing ring 15, the shielding base 9 and the base main body 8 are molded into a whole by injection, and at least two or more salient points at the bottom of the shielding base 9 are exposed out of a junction surface with the bottom surface of the base main body 8 and are used for shielding the shielding base 9 to be in contact with and conducted with a panel of a; at least the left surface and the right surface of the inner side of the shielding base 9 are exposed out of a cavity junction surface with the base main body 8 and are used for being in contact with and conducted with the upper cover shielding cover 2, and the junction of the shielding base 9 and the shielding ring 11 is completely wrapped and separated by the plastic base main body 8, so that the shielding base 9 and the shielding ring 11 are prevented from being in contact and conducted;
the L-shaped copper bar terminal assembly is perpendicular to the base main body 8 and is integrally formed in an injection molding mode, the upper surface of the L-shaped copper bar terminal assembly is exposed out of the base plastic main body 8 and is in contact conduction with the switching sheath 4, and the base main body 8 and the switching sheath 4 are radially sealed;
the shielding ring 11 and the shielding ring rubber core 12 are fixed on the base main body 8 through clamping jaws.
The insulating gluing core 3 is fixed in the plastic upper cover body 1 through a plurality of buckling positions.
The base body 8 is embedded into the groove through the groove arranged in the cavity, the second sealing ring 15 is additionally arranged between the O-shaped ring fixing groove of the sealing ring of the riveting nut 14 of the L-shaped copper bar terminal assembly 6 and the inner surface of the switching sheath 4, the first sealing O-shaped ring 5 is additionally arranged between the outer surface of the switching sheath 4 and the inner surface of the cylindrical groove cylinder in the cavity of the base body 8, and the end face seal between the L-shaped copper bar terminal assembly 6 and the base body 8 is converted into radial waterproof seal, so that the unilateral seal of the L-shaped copper bar terminal assembly 6 and the base body 8 is realized.
The L-shaped copper bar terminal assembly 6 at least comprises an L-shaped copper bar terminal 13 and a riveting nut 14, the L-shaped copper bar terminal 13 and the riveting nut 14 are fixed together through a riveting form to form the L-shaped copper bar terminal assembly 6, a fixing groove of a second sealing ring 15 on the riveting nut is higher than the upper surface of the L-shaped copper bar terminal 13, sealing failure points are reduced for blind hole design of the riveting nut 14, and the riveting nut 14 is externally polygonal to prevent rotation of the riveting nut 14.
The switching sheath 4 and the L-shaped copper bar terminal assembly 6 are connected with the riveting nut 14 through a wiring harness locking bolt, and the end faces of the switching sheath 4 and the L-shaped copper bar terminal 13 are pressed, contacted and conducted.
The bottom of the shielding base 9 is provided with a base sealing gasket 10, the base sealing gasket 10 is provided with a plurality of annular sealing convex ribs, the convex ribs are respectively positioned on two sides of the shielding base 9 where the exposed salient points and the base main body 8 are injection-molded, and the injection-molded joint line is sealed by compressing the sealing convex ribs, so that the base and the box body installation panel are sealed in a single side.
The upper cover and the base are fixed through a plurality of locking bolts, and the upper cover and the base are sealed through compressing the end face sealing ring.
The upper cover shielding case 2 and the shielding base 9 are laterally inserted and closed in an embedded manner to realize 360-degree shielding and sealing, and a plurality of elastic sheet contacts arranged around the upper cover shielding case 2 are respectively contacted with the inner side of the shielding base 9 exposed out of the junction surface in the cavity of the base body and the shielding ring 11 to realize the conduction of the shielding loop between the shielding ring 11 and the shielding base 9.
According to the switch type single-side sealed plastic junction box, the opening and closing of the upper cover play a role of switching in the wiring harness shielding and base shielding loop, the system can detect the opening and closing state of the upper cover of the junction box through monitoring the opening and closing of the shielding loop and cut off and close the power supply of the junction box, and therefore the risk of electric shock when a maintenance worker opens the upper cover of the junction box can be effectively avoided.
Adopt the unilateral sealed plastic terminal box of switch formula, base and box installation panel are unilateral sealed when dismantling upper cover maintenance or upper cover not hard up, reduce the risk of intaking in the battery box, can realize 360 shields, reduce the risk that the shielding leakage brought.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (8)
1. A switch type single-side sealing high-voltage plastic junction box comprises an upper cover and a base, and is characterized in that the upper cover at least comprises a plastic upper cover body, an upper cover shielding cover and an insulating upper rubber core, wherein the upper cover shielding cover is clamped between the upper cover body and the insulating upper rubber core;
the base at least comprises a switching sheath, a sealing O-shaped ring, an L-shaped copper bar terminal assembly, an end face sealing ring, a base main body, a shielding base, a base sealing gasket, a shielding ring and a shielding ring rubber core, the shielding base and the base main body are integrally formed by injection molding, and at least two or more salient points at the bottom of the shielding base are exposed on a combining surface with the bottom surface of the base main body and are used for shielding the base and a box body panel to be in shielding contact conduction; the inner side of the shielding base is at least provided with a left surface and a right surface which are exposed out of a joint surface in the cavity of the shielding base body and are used for being in contact conduction with the upper cover shielding cover, and the joint of the shielding base and the shielding ring is completely wrapped and separated by the plastic base body to prevent the shielding base from being in contact conduction with the shielding ring;
the L-shaped copper bar terminal assembly is perpendicular to the base main body and is integrally formed in an injection molding mode, the upper surface of the L-shaped copper bar terminal is exposed out of the base plastic main body and is in contact conduction with the switching sheath, and the base main body and the switching sheath are radially sealed;
the shielding ring and the shielding ring rubber core are fixed on the base main body through clamping jaws.
2. The switch type single-sided sealing high-voltage plastic terminal box according to claim 1, wherein the insulating rubber core is fixed in the plastic upper cover body through a plurality of fastening positions.
3. The switch type single-sided sealing high-pressure plastic terminal box according to claim 1, wherein the base body is provided with a groove in the cavity so that the adapter sleeve is embedded into the groove, and sealing O-rings are respectively added between the fixing cylindrical surface or groove of the L-shaped copper bar terminal assembly riveting nut sealing O-ring and the inner surface of the adapter sleeve and between the outer surface of the adapter sleeve and the inner cylindrical surface of the cylindrical groove in the cavity of the base body so as to realize radial waterproof sealing, thereby realizing single-sided sealing of the L-shaped copper bar terminal assembly and the base body.
4. The switch type single-side sealing high-voltage plastic terminal box according to claim 1, wherein the L-shaped copper bar terminal assembly at least comprises an L-shaped copper bar terminal and a riveting nut, and the L-shaped copper bar terminal and the riveting nut are fixed together in a riveting manner to form the L-shaped copper bar terminal assembly.
5. The switch type single-side sealing high-voltage plastic terminal box according to claim 4, wherein the adapter sheath and the L-shaped copper bar terminal assembly are in pressed contact conduction with the end face of the adapter sheath through a wire harness locking bolt and the riveting nut.
6. The switch type single-side sealing high-pressure plastic junction box according to claim 4, wherein a base sealing gasket is arranged at the bottom of the shielding base, and a plurality of annular sealing ribs are arranged on the base sealing gasket to realize single-side sealing of the base and the box body mounting panel.
7. The switch type single-sided sealing high-pressure plastic junction box according to claim 1, wherein the upper cover and the base are fixed by a plurality of locking bolts, and the upper cover and the base are sealed by compressing an end face seal ring.
8. The switch type single-side sealing high-voltage plastic junction box according to claim 1, wherein the upper cover shielding cover and the shielding base are inserted in an embedded manner to realize 360-degree shielding sealing, and a plurality of elastic sheet contacts arranged around the upper cover shielding cover are respectively contacted with the inner side of the shielding base and the shielding ring to realize shielding loop conduction between the shielding ring and the shielding base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910978603.1A CN110635418A (en) | 2019-10-15 | 2019-10-15 | Switch type single-side sealing high-pressure plastic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910978603.1A CN110635418A (en) | 2019-10-15 | 2019-10-15 | Switch type single-side sealing high-pressure plastic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110635418A true CN110635418A (en) | 2019-12-31 |
Family
ID=68975211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910978603.1A Pending CN110635418A (en) | 2019-10-15 | 2019-10-15 | Switch type single-side sealing high-pressure plastic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110635418A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111615273A (en) * | 2020-06-30 | 2020-09-01 | 德尔福科技(苏州)有限公司 | Magnetic part fixing device |
-
2019
- 2019-10-15 CN CN201910978603.1A patent/CN110635418A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111615273A (en) * | 2020-06-30 | 2020-09-01 | 德尔福科技(苏州)有限公司 | Magnetic part fixing device |
| CN111615273B (en) * | 2020-06-30 | 2024-04-05 | 博格华纳驱动系统(苏州)有限公司 | Magnetic part fixing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5801465A (en) | Underwater motor with water-proof connector | |
| CN107611636B (en) | Split type metal junction box with electromagnetic shielding function | |
| CN109713513B (en) | Corrosion-resistant sealing device and method for underwater cabin penetrating electrical connection | |
| KR102311636B1 (en) | Direct-connect connector and connecting structure thereof | |
| CN111668616A (en) | Electronic detonator junction box | |
| CN103594843A (en) | Wall socket | |
| CN110635418A (en) | Switch type single-side sealing high-pressure plastic junction box | |
| KR101490314B1 (en) | Connector for connecting electric power distribution cable in underground | |
| KR101882391B1 (en) | waterproof apparatus for connecting electric wire | |
| CN220895962U (en) | Distribution box | |
| WO2024109281A1 (en) | Driver | |
| CN205178098U (en) | Sealed terminal | |
| CN211018151U (en) | Switch type single-side sealing high-pressure plastic junction box | |
| CN210517694U (en) | Waterproof junction box and connecting structure thereof | |
| CN201829878U (en) | Junction box | |
| US20220115845A1 (en) | Box with waterproof cable hole structure | |
| KR100759291B1 (en) | It is a latch for a transformer live wire in a pillar for supply of electric power for period | |
| CN219643240U (en) | Secondary connection structure for aerial plug switching | |
| CN206709020U (en) | A kind of structure of waterproof driving power | |
| CN105024220A (en) | Direct-inset-type electric connector and use method thereof | |
| CN218975883U (en) | High-current connector | |
| KR200391063Y1 (en) | Epoxy bushing for detecting a voltage | |
| CN206022656U (en) | Integral type waterproof copper bar through walls | |
| CN212114047U (en) | Electronic detonator junction box | |
| CN218568772U (en) | Fuse protective housing, short-circuit protection device and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |