CN110972429A - Dustproof and waterproof's intelligent power router - Google Patents

Dustproof and waterproof's intelligent power router Download PDF

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Publication number
CN110972429A
CN110972429A CN201911220280.6A CN201911220280A CN110972429A CN 110972429 A CN110972429 A CN 110972429A CN 201911220280 A CN201911220280 A CN 201911220280A CN 110972429 A CN110972429 A CN 110972429A
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CN
China
Prior art keywords
sealing
screw
shell
dustproof
cover
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Granted
Application number
CN201911220280.6A
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Chinese (zh)
Other versions
CN110972429B (en
Inventor
王冲
左地平
李伟
程良桂
佟强
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.)
Shenzhen Aerospace New Power Technology Ltd
Original Assignee
Shenzhen Aerospace New Power Technology Ltd
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Filing date
Publication date
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Priority to CN201911220280.6A priority Critical patent/CN110972429B/en
Publication of CN110972429A publication Critical patent/CN110972429A/en
Application granted granted Critical
Publication of CN110972429B publication Critical patent/CN110972429B/en
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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/06Hermetically-sealed casings
    • H05K5/061Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/06Hermetically-sealed casings
    • H05K5/069Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft

Abstract

The invention provides a dustproof and waterproof intelligent power router which comprises a first shell and a second shell, wherein the first shell is connected with the second shell in a sealing mode through a screw fastening sealing structure, the screw fastening sealing structure comprises a screw, a pressing gasket and a sealing gasket, a screw mounting hole is formed in the first shell, a circle of screw sealing grooves are formed in an orifice of the screw mounting hole, the screw is installed in the screw mounting hole, the sealing gasket is arranged in the screw sealing grooves, the head of the screw is pressed on the pressing gasket, and the pressing gasket is pressed on the sealing gasket and forces the sealing gasket to deform so as to seal the screw. The invention has the beneficial effects that: the screw is screwed in the screw position for sealing, the rotating torque is converted into positive pressure to press the sealing washer through the pressing washer, the sealing washer deforms to be full of the screw sealing groove to realize sealing, and the dustproof and waterproof performance is improved.

Description

Dustproof and waterproof's intelligent power router
Technical Field
The invention relates to an intelligent power router, in particular to a dustproof and waterproof intelligent power router.
Background
An intelligent power router (hereinafter referred to as a router) is a universal intelligent charging and power converter. The power supply has a plurality of bidirectional input/output ports, and any available energy can be accessed through any port to supply power or charge various electric equipment.
The traditional intelligent power router has poor dustproof and waterproof performance.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a dustproof and waterproof intelligent power router.
The invention provides a dustproof and waterproof intelligent power router which comprises a first shell and a second shell, wherein the first shell is connected with the second shell in a sealing mode through a screw fastening sealing structure, the screw fastening sealing structure comprises a screw, a pressing gasket and a sealing gasket, a screw mounting hole is formed in the first shell, a circle of screw sealing groove is formed in an orifice of the screw mounting hole, the screw is installed in the screw mounting hole, the sealing gasket is arranged in the screw sealing groove, the head of the screw is pressed on the pressing gasket, the pressing gasket is pressed on the sealing gasket and forces the sealing gasket to deform so as to seal the screw, a circle of integral sealing groove is formed in the second shell, an integral sealing ring is arranged in the integral sealing groove, and the screw fastening sealing structure enables the first shell to be in a sealing mode, The second shell is tightly connected with and tightly presses the integral sealing ring.
As a further improvement of the present invention, a ring of integral sealing protrusion is provided on the first housing, and the integral sealing protrusion is inserted into the integral sealing groove and pressed on the integral sealing ring.
As a further improvement of the invention, the integral sealing ring is a nitrile rubber ring, the compression gasket is a nylon gasket, the sealing gasket is a silica gel gasket, and the screw is a thin-head screw.
As a further improvement of the present invention, the first housing includes a top cover and a bottom cover, the second housing is an enclosure frame, the top cover and the bottom cover are respectively connected with the top and the bottom of the enclosure frame in a sealing manner through the screw fastening sealing structure, and the top and the bottom of the enclosure frame are both provided with the integral sealing groove and the integral sealing ring.
As a further improvement of the invention, a liquid crystal screen panel, an interface board and a power board are respectively arranged in the enclosure frame from top to bottom, the liquid crystal screen panel and the interface board are respectively arranged on the positions of the side wall support lugs of the enclosure frame, and the power board is fixed on the bottom cover through three combined screws.
As a further improvement of the invention, heat-conducting silicone grease is smeared between the power board and the bottom cover, the bottom cover is connected with a single-way stud, the interface board and the power board are respectively connected with the single-way stud, and a heat-conducting pad is padded between the power board and the single-way stud.
As a further improvement of the invention, a heat conducting pad is padded between the top cover and the liquid crystal panel.
As a further improvement of the present invention, the intelligent power router further comprises a film adhesive film, the top cover is provided with a display window, the film adhesive film is adhered to the top cover by a 3M adhesive, and the film adhesive film is located on the display window.
As a further improvement of the invention, the intelligent power router further comprises a membrane switch, and the membrane switch is adhered in the limit groove of the enclosure frame through a 3M glue.
As a further improvement of the invention, the limiting groove of the enclosing frame is provided with a wire protecting sleeve for the data wire of the membrane switch to pass through.
The invention has the beneficial effects that: according to the technical scheme, the screw is screwed in the sealing of the screw, the rotating torque is converted into the positive pressure to press the sealing washer through the pressing washer, the sealing washer deforms to be full of the screw sealing groove to realize sealing, the screw sealing groove can enable the sealing washer to be kept in the working state to prevent the sealing washer from excessively deforming so as to cause damage failure, the screw fastening sealing structure is combined with the integral sealing groove and the integral sealing ring to realize sealing, and the dustproof and waterproof performance is improved.
Drawings
Fig. 1 is an exploded schematic view of a dustproof and waterproof intelligent power router according to the present invention.
Fig. 2 is a schematic cross-sectional view of a dustproof and waterproof intelligent power router according to the present invention.
Fig. 3 is a partial view I of fig. 2.
Fig. 4 is a schematic view of a screw fastening sealing structure of the dustproof and waterproof intelligent power router of the present invention.
Fig. 5 is a schematic perspective view of a dustproof and waterproof intelligent power router according to the present invention.
Detailed Description
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 5, a dustproof and waterproof intelligent power router includes a first housing and a second housing, the first housing is connected to the second housing in a sealing manner through a screw fastening and sealing structure, the screw fastening and sealing structure includes a screw 11, a pressure washer 12 and a sealing washer 13, the first housing is provided with a screw mounting hole, a hole of the screw mounting hole is provided with a circle of screw sealing groove 19, the screw 11 is installed in the screw mounting hole 19, the sealing washer 13 is arranged in the screw sealing groove 19, a head of the screw 11 is pressed against the pressure washer 12, the pressure washer 12 is pressed against the sealing washer 13 and forces the sealing washer 13 to deform to seal the screw 11, the second housing is provided with a circle of integral sealing groove, and an integral sealing washer 10 is arranged in the integral sealing groove, the screw fastening sealing structure enables the first shell and the second shell to be fastened and connected and tightly press the integral sealing ring 10.
As shown in fig. 1 to 5, a ring of integral sealing protrusion 22 is provided on the first housing, and the integral sealing protrusion 22 is inserted into the integral sealing groove and pressed on the integral sealing ring.
As shown in fig. 1 to 5, the integral sealing ring 10 is a nitrile rubber ring, the pressing washer 12 is a nylon washer, the sealing washer 13 is a silica gel washer, and the screw 11 is a thin-head screw.
As shown in fig. 1 to 5, the first casing includes a top cover 3 and a bottom cover 2, the second casing is an enclosure frame 1, the top cover 3 and the bottom cover 2 are respectively connected with the top and the bottom of the enclosure frame 1 through the screw fastening sealing structure in a sealing manner, the top and the bottom of the enclosure frame 1 are both provided with the integral sealing groove and the integral sealing ring 10, and the joint surfaces of the top cover 3 and the bottom cover 2 and the enclosure frame 1 are sealed by adopting a convex-concave groove seam allowance and a nitrile rubber ring to realize the dustproof and waterproof functions of the joint of the cover plate and the enclosure frame.
As shown in fig. 1 to 5, a liquid crystal panel 6, an interface board 7 and a power board 8 are respectively installed from top to bottom in the enclosure frame 1, the liquid crystal panel 6 and the interface board 7 are respectively installed on the side wall support lug positions of the enclosure frame 1, and the power board 8 is fixed on the bottom cover 2 through three combination screws 16.
As shown in fig. 1 to 5, heat conductive silicone grease is coated between the power board 8 and the bottom cover 2, the bottom cover 2 is connected to a single-pass stud 17, the interface board 7 and the power board 8 are respectively connected to the single-pass stud 17, and a heat conductive pad 18 is padded between the power board 8 and the single-pass stud 17.
As shown in fig. 1 to 5, a thermal pad 18 is padded between the top cover 3 and the liquid crystal panel 6.
As shown in fig. 1 to 5, the heat conducting pad 18 plays a role of avoiding multiple matching and enhancing heat dissipation, and improves the original single-sided heat dissipation into double-sided heat dissipation, and a heat dissipation path 21 from the printed board to the top cover 3 is added.
As shown in fig. 1 to 5, the intelligent power router further includes a film adhesive film 5, a display window is disposed on the top cover 3, the film adhesive film 5 is adhered to the top cover 3 by 3M glue, and the film adhesive film 5 is located above the display window, so as to achieve the dustproof and waterproof functions of the display window of the upper cover plate.
As shown in fig. 1 to 5, the intelligent power router further includes a membrane switch 4, and the membrane switch 4 is adhered to the inside of the limit groove of the enclosure frame 1 by a 3M adhesive, so as to realize the dustproof and waterproof functions of the key.
As shown in fig. 1 to 5, a wire sheath 9 through which the data wire of the membrane switch 4 passes is disposed on the limiting groove of the enclosure frame 1.
As shown in fig. 1 to 5, a waterproof connector 14 is disposed on the enclosure frame 1, and a dust plug is disposed on the waterproof connector 14.
As shown in fig. 1 to 5, since the cap screw is directly locked from the outside of the housing to the inside of the router and is located inside the sealing surface of the housing, the screw 11 must have a separate protection function to prevent moisture from entering from the joint of the cap screw and the cover plate. Specifically, the nylon gasket is adopted to convert the rotation torque of the screw 11 into positive pressure (to avoid the distortion and damage of the silicon gasket caused by the rotation of the screw 11), the sealing gasket 13 is pressed (because the silicon has good deformation capacity, the gap 20 between the silicon gasket and the cover plate and between the silicon gasket and the screw needs to be sealed in a two-way mode) to be deformed and filled in the screw sealing groove 19, and the screw sealing groove 19 can enable the sealing gasket 13 to be kept in a working state to prevent the sealing gasket 13 from being excessively deformed to damage and fail
As shown in fig. 1 to 5, three circuit boards, namely a liquid crystal panel 6, an interface board 7 and a power board 8, are respectively installed in the enclosure frame 1 from top to bottom, wherein the liquid crystal panel 6 and the interface board 7 are respectively installed from the top cover and the bottom cover to the side wall lug positions in the enclosure frame 1, and the interface board 7 is fixed by using a single-pass stud 17. The power board 8 is firstly fixed on the bottom cover 2 by using three combined screws 16, heat-conducting silicone grease is coated between the heat dissipation device and the heat dissipation boss of the bottom cover, and the assembly is assembled on a one-way stud 17 in the enclosure frame 2 from the position of the bottom cover. Heat conducting pads 18 are padded between the top cover 3 and the liquid crystal screen plate 6 and between the power plate 8 and the single-pass studs 17 to play a role in adjusting fit tolerance and enhancing heat dissipation; the key seal adopts a membrane switch 4 self 3M glue to adhere to a limiting groove of an enclosing frame 1 to realize the dustproof and waterproof function of a wiring port, the opening of the enclosing frame 1 enables a data line to be connected into the interior of the router through a wire protecting sleeve 9, the wire protecting sleeve 9 is used for preventing a sharp metal edge from scratching a cable, a top cover 3 of the router is opened to expose a window out of a liquid crystal display position in a liquid crystal screen panel 6, a groove is processed on the top surface of the top cover 3 to be used as the limiting groove of a membrane pasting 5, and the membrane pasting 5 can be pasted into the groove of the top cover 3 through a back glue with 3M to realize the sealing of the liquid crystal screen panel display window because the window of the top cover 3 is positioned at the center of the groove; the I/0 interface adopts a waterproof connector 14 to be respectively and positively arranged at the corresponding opening of the enclosure frame 1 from 3 directions, the waterproof connector 17 can be worn with a special dustproof plug 15 to play a role of protection when in no insertion, and a matching rope fastened on the dustproof plug 15 is locked on the side wall of the enclosure frame 1 through a three-combination screw 16 to prevent loss; the device achieves the IP67 protection grade of the device on the premise of reducing the overall dimension of the whole device as much as possible by unique design of a plurality of internal and external interfaces, and the functional requirement of the product is realized.
As shown in fig. 1 to 5, the top cover 3 and the bottom cover 2 are fastened to the enclosure frame 1 by four screws 11, respectively. The waterproof effect of the combination surfaces of the top cover 3, the bottom cover 2 and the surrounding frame 1 is realized through the convex-concave groove rabbets and the nitrile rubber rings; eight screws 11 realize the sealing of the screws through a sealing washer 13; the display screen and the film keys are sealed by 3M glue; the I/O interface adopts measures such as a waterproof connector 14 and the like to ensure that the overall protection level of the router reaches IP 67.
The dustproof and waterproof intelligent power router provided by the invention has the following advantages:
1. the dustproof and waterproof functions of the whole shell are realized by designing a special structure, a special process is not needed, and sealing failure caused by manual operation is avoided.
2. The function multiplexing of the screw enables the overall structure to be miniaturized.
3. All screws of the whole shell are not sealed by thread compound, and can be disassembled for many times, thereby being convenient for maintenance.
4. All sealing materials have no customized parts, so that the cost of the structural part of the whole machine is reduced.
5. The instruction input mode adopts the membrane switch to effectively reduce the overall dimension of the shell, the installation is more convenient, and the performance is reliable.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (10)

1. The utility model provides a dustproof and waterproof's intelligent power router which characterized in that: comprises a first shell and a second shell, wherein the first shell is connected with the second shell in a sealing way through a screw fastening sealing structure, the screw fastening and sealing structure comprises a screw, a pressing gasket and a sealing gasket, a screw mounting hole is arranged on the first shell, a circle of screw sealing groove is arranged on the hole opening of the screw mounting hole, the screw is mounted in the screw mounting hole, the sealing washer is arranged in the screw sealing groove, the head of the screw is pressed on the pressing washer, the compression washer compresses against and forces the sealing washer to deform to seal the screw, a circle of integral sealing groove is arranged on the second shell, an integral sealing ring is arranged in the integral sealing groove, and the screw fastening and sealing structure enables the first shell and the second shell to be fastened and connected and compresses the integral sealing ring.
2. The dustproof and waterproof intelligent power router of claim 1, wherein: and a circle of integral sealing bulge is arranged on the first shell, and the integral sealing bulge is inserted into the integral sealing groove and is tightly pressed on the integral sealing ring.
3. The dustproof and waterproof intelligent power router of claim 1, wherein: the integral sealing ring is a nitrile rubber ring, the pressing gasket is a nylon gasket, the sealing gasket is a silica gel gasket, and the screw is a thin-head screw.
4. The dustproof and waterproof intelligent power router of claim 1, wherein: the first shell comprises a top cover and a bottom cover, the second shell is an enclosing frame, the top cover and the bottom cover are respectively in sealing connection with the top and the bottom of the enclosing frame through the screw fastening sealing structures, and the top and the bottom of the enclosing frame are respectively provided with the integral sealing grooves and the integral sealing rings.
5. The dustproof and waterproof intelligent power router of claim 4, wherein: the liquid crystal screen plate, the interface plate and the power plate are respectively arranged in the enclosure frame from top to bottom, the liquid crystal screen plate and the interface plate are respectively arranged on the positions of the side wall support lugs of the enclosure frame, and the power plate is fixed on the bottom cover through three combined screws.
6. The dustproof and waterproof intelligent power router of claim 5, wherein: and heat-conducting silicone grease is coated between the power plate and the bottom cover, the bottom cover is connected with a single-way stud, the interface plate and the power plate are respectively connected with the single-way stud, and a heat-conducting pad is padded between the power plate and the single-way stud.
7. The dustproof and waterproof intelligent power router of claim 5, wherein: and a heat conducting pad is padded between the top cover and the liquid crystal screen panel.
8. The dustproof and waterproof intelligent power router of claim 4, wherein: the intelligent power router further comprises a film adhesive film, a display window is arranged on the top cover, the film adhesive film is adhered to the top cover through 3M glue, and the film adhesive film is located on the display window.
9. The dustproof and waterproof intelligent power router of claim 4, wherein: the intelligent power router also comprises a membrane switch, and the membrane switch is bonded in the limit groove of the enclosure frame through 3M glue.
10. The dustproof and waterproof intelligent power router of claim 9, wherein: and the limiting groove of the enclosure frame is provided with a wire protecting sleeve for the data wire of the membrane switch to pass through.
CN201911220280.6A 2019-12-03 2019-12-03 Dustproof and waterproof's intelligent power router Active CN110972429B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911220280.6A CN110972429B (en) 2019-12-03 2019-12-03 Dustproof and waterproof's intelligent power router

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911220280.6A CN110972429B (en) 2019-12-03 2019-12-03 Dustproof and waterproof's intelligent power router

Publications (2)

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CN110972429A true CN110972429A (en) 2020-04-07
CN110972429B CN110972429B (en) 2021-08-03

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599484A (en) * 1984-07-09 1986-07-08 Ega Limited Box for electrical components
US5386084A (en) * 1993-07-22 1995-01-31 Ii Morrow Inc. Electronic device enclosure
CN2798306Y (en) * 2005-05-24 2006-07-19 中原工学院 Plate display with highly intigration grid structure
CN201187514Y (en) * 2008-04-10 2009-01-28 石家庄强大泵业集团有限责任公司 Washer of seal bolt
CN101568230A (en) * 2008-04-24 2009-10-28 大连晨光电气控制有限公司 Sealing box
CN201608628U (en) * 2009-12-17 2010-10-13 江苏艾索新能源股份有限公司 Water-proof sealed inverter
US20160248292A1 (en) * 2015-02-19 2016-08-25 Hitachi Automotive Systems, Ltd. Electronic control apparatus, motor control apparatus and electric fluid pump
CN206061360U (en) * 2016-08-15 2017-03-29 浙江露通机电有限公司 Compressor controller casing assembly structure
CN106575862A (en) * 2014-08-04 2017-04-19 希豪斯工业有限公司 Underground utility box assembly
CN208509413U (en) * 2018-07-18 2019-02-15 Tcl空调器(中山)有限公司 A kind of electrical appliance kit and its air conditioner
CN208890969U (en) * 2018-11-20 2019-05-21 厦门联博橡胶制品有限公司 A kind of set-top box housing seal
CN110035626A (en) * 2019-04-17 2019-07-19 成都雷电微力科技有限公司 A kind of miniaturization microwave components airtight construction
CN209314171U (en) * 2018-09-14 2019-08-27 中车青岛四方车辆研究所有限公司 Double seal for motor train unit top high-voltaghe compartment
CN209590260U (en) * 2018-12-29 2019-11-05 中国电子科技集团公司第七研究所 A kind of reinforcement type deformation radar

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599484A (en) * 1984-07-09 1986-07-08 Ega Limited Box for electrical components
US5386084A (en) * 1993-07-22 1995-01-31 Ii Morrow Inc. Electronic device enclosure
CN2798306Y (en) * 2005-05-24 2006-07-19 中原工学院 Plate display with highly intigration grid structure
CN201187514Y (en) * 2008-04-10 2009-01-28 石家庄强大泵业集团有限责任公司 Washer of seal bolt
CN101568230A (en) * 2008-04-24 2009-10-28 大连晨光电气控制有限公司 Sealing box
CN201608628U (en) * 2009-12-17 2010-10-13 江苏艾索新能源股份有限公司 Water-proof sealed inverter
CN106575862A (en) * 2014-08-04 2017-04-19 希豪斯工业有限公司 Underground utility box assembly
US20160248292A1 (en) * 2015-02-19 2016-08-25 Hitachi Automotive Systems, Ltd. Electronic control apparatus, motor control apparatus and electric fluid pump
CN206061360U (en) * 2016-08-15 2017-03-29 浙江露通机电有限公司 Compressor controller casing assembly structure
CN208509413U (en) * 2018-07-18 2019-02-15 Tcl空调器(中山)有限公司 A kind of electrical appliance kit and its air conditioner
CN209314171U (en) * 2018-09-14 2019-08-27 中车青岛四方车辆研究所有限公司 Double seal for motor train unit top high-voltaghe compartment
CN208890969U (en) * 2018-11-20 2019-05-21 厦门联博橡胶制品有限公司 A kind of set-top box housing seal
CN209590260U (en) * 2018-12-29 2019-11-05 中国电子科技集团公司第七研究所 A kind of reinforcement type deformation radar
CN110035626A (en) * 2019-04-17 2019-07-19 成都雷电微力科技有限公司 A kind of miniaturization microwave components airtight construction

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