CN107481624A - A kind of interface waterproof construction of LED display - Google Patents

A kind of interface waterproof construction of LED display Download PDF

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Publication number
CN107481624A
CN107481624A CN201710597740.1A CN201710597740A CN107481624A CN 107481624 A CN107481624 A CN 107481624A CN 201710597740 A CN201710597740 A CN 201710597740A CN 107481624 A CN107481624 A CN 107481624A
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CN
China
Prior art keywords
coaming
casing
led display
waterproof construction
drain pan
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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.)
Granted
Application number
CN201710597740.1A
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Chinese (zh)
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CN107481624B (en
Inventor
颜小平
全德印
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Shenzhen Eastar Electronic Co Ltd
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Shenzhen Eastar Electronic Co Ltd
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Priority to CN201710597740.1A priority Critical patent/CN107481624B/en
Publication of CN107481624A publication Critical patent/CN107481624A/en
Application granted granted Critical
Publication of CN107481624B publication Critical patent/CN107481624B/en
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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The present invention relates to a kind of interface waterproof construction of LED display, including:Casing, the casing are provided with row's pin, and the casing protrudes in row's pin surrounding formed with the first coaming, a part for first coaming from the front extension of the casing;LED display modules and water proof ring, the LED display modules include drain pan and pcb board, the drain pan is in the position of the first coaming formed with the second coaming, a part for second coaming extends from the back side of the drain pan to be protruded, a part for first coaming is inserted in second coaming, formed with annular fixing groove, the water proof ring is arranged in the annular fixing groove and pressed between first coaming and second coaming one of first coaming and relative two faces of second coaming depression.The interface waterproof construction of above-mentioned LED display, good water-proof effect, assembling are convenient.

Description

A kind of interface waterproof construction of LED display
Technical field
The present invention relates to LED technology field, more particularly to a kind of interface waterproof construction of LED display.
Background technology
LED display is to be formed using the lattice module or pixel cell of LED electroluminescent lamps composition on area display, its With brightness is high, operating voltage is low, small power consumption, long lifespan, steady performance, indoor and outdoor advertisement, body are widely used to Educate, traffic, performance, exhibition, lease, each occasion such as rally.
LED display generally comprises LED screen display module and display screen box body, and existing waterproof construction is shown in LED screen Show and waterproof washer is added between module and display screen box body, by three by screw locking, waterproof washer compression is reached To the purpose of waterproof, LED display out-of-flatness is easily caused using the waterproof construction, or waterproof effect is bad, product waterproof Performance is difficult to ensure that, is compressed waterproof washer furthermore, it is desirable to install multiple screws, its installation effectiveness is relatively low.
The content of the invention
Based on this, it is necessary to provide a kind of convenient, good water-proof effect of assembling and do not interfere with LED display flatness The interface waterproof construction of LED display.
A kind of interface waterproof construction of LED display, including:
Casing, the casing are provided with row's pin, the casing in row's pin surrounding formed with the first coaming, described first A part for coaming protrudes from the front extension of the casing;
LED display modules and water proof ring, the LED display modules include being fixed on the positive drain pan of the casing and fixation In the pcb board being electrically connected with the casing and with row's pin, the drain pan is formed in the position of first coaming There is the second coaming, a part for second coaming extends from the back side of the drain pan to be protruded, first dash A part for enclosure wall is inserted in second coaming, and first coaming and second coaming are relative Formed with annular fixing groove, the water proof ring is arranged in the annular fixing groove and pressed in described one of two faces depression Between first coaming and second coaming, with seal first coaming and second coaming it Between space.
In one of the embodiments, the lateral wall of first coaming, which is recessed to be formed, has stated annular fixing groove.
In one of the embodiments, side of the water proof ring away from the annular fixing groove is formed with annular groove.
In one of the embodiments, the longitudinal section of the annular groove is U-shaped longitudinal section.
In one of the embodiments, the longitudinal section of the annular fixing groove is that side has rectangle jaggy, described anti- The top surface of hydrosphere and bottom surface are the plane being parallel to each other.
In one of the embodiments, second coaming is formed with the extension from drain pan back side extension protrusion Section, the extension and the front of the casing have interval.
In one of the embodiments, the outer wall of first coaming close to the one end at the drain pan back side formed with Ring-shaped step, step surface of the ring-shaped step close to the side of the annular fixing groove are inclined-plane in order to first dash Enclosure wall is plugged in second coaming.
In one of the embodiments, the storage tank is provided with reducing end close to the side of the box back surface, and The width at the reducing end is gradually reduced from the back side of the casing to positive direction.
In one of the embodiments, the reducer that the reducing end includes vertical section, is connected with the vertical section, it is described For vertical section close to the back side of the casing, the width of one end of the reducer is equal to the width of the vertical section.
In one of the embodiments, the surrounding of the drain pan is provided with multiple first adsorption pieces, the surrounding of the casing It is provided with and is inhaled with one-to-one multiple second adsorption pieces of the multiple first adsorption piece, the drain pan by the multiple first Magnetic absorption between annex and the multiple second adsorption piece is fixed on the casing.
The first coaming of the interface waterproof construction of above-mentioned LED display, casing and drain pan formed with socket, second gear One of water enclosure wall, two enclosure walls are formed with the annular fixing groove for adapting to water proof ring, and two coamings are formed with double shielding Structure is located at outside row's pin, and water proof ring is compressed between two coamings, and rainwater can be prevented from the seam of two coamings Enter and the row's of touching pin in gap.
The interface waterproof construction of above-mentioned LED display, it is recessed that the water proof ring face relative with the second coaming is provided with annular Groove, water proof ring is set to support end spaced two layers formed with tool, both sides support end with the second coaming Elastic Contact, make to prevent Water reliability strengthens.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the interface waterproof construction for the LED display that an embodiment provides;
Fig. 2 is the enlarged section schematic diagram in AA directions in Fig. 1;
Fig. 3 is the enlarged diagram after 90 degree of B portions rotate counterclockwise in Fig. 2;
Fig. 4 is the enlarged diagram in C portions in Fig. 2;
Fig. 5 is the exploded perspective view of the interface waterproof construction of LED display shown in Fig. 1;
Fig. 6 be LED display shown in Fig. 5 interface waterproof construction in water proof ring enlarged diagram;
Fig. 7 is the blast schematic cross-sectional view of the interface waterproof construction of LED display shown in Fig. 1;
Fig. 8 is the enlarged diagram in D portions in Fig. 7;
Fig. 9 is the enlarged diagram of water proof ring in Fig. 8.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure Add thorough and comprehensive.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately One element may be simultaneously present centering elements.Term as used herein " vertically ", " horizontal ", "left", "right" And similar statement is for illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more The arbitrary and all combination of related Listed Items.
Fig. 1, Fig. 2, Fig. 3, Fig. 5 are referred to, the interface waterproof construction 10 of the LED display provided according to an embodiment, bag Include casing 100, LED display modules and water proof ring 500.
The row's of the being fixedly installed pin 400 of casing 100, casing 100, formed with the first coaming 110, are somebody's turn to do in row's surrounding of pin 400 A part for first coaming 110 protrudes from the front extension of casing 100.LED display modules include being fixed on casing 100 just The drain pan 200 in face and the pcb board 300 being electrically connected with row's pin 400, pcb board 300 are located in casing 100 and carried on the back positioned at casing 100 The side in face, the correspondence position of drain pan 200 is formed with the second coaming 210, and second coaming 210 is from the back side of drain pan 200 Extension is protruded, and a part for the first coaming 110 is plugged in the second coaming 210, the first coaming 110 and second One of two relative faces of coaming 210 are recessed formed with annular fixing groove 120, and it is fixed that water proof ring 500 is arranged on the annular In groove 120, coaming is pressed between the first coaming 110 and the second coaming 210 to be enclosed with sealing the first dash Space between the coaming 210 of wall 110 and second.Two layers of coaming, and two coamings are covered with outside row's pin 400 Between space sealed by water proof ring 500, integral waterproofing effect is good.
Fig. 1, Fig. 3, Fig. 7, Fig. 8 are referred to, casing 100 opens up in row's pin 400 and one end of connector (not shown) grafting There is through hole, the inserted terminal of row's pin 400 is exposed to casing 100.Drain pan 200 is plastic parts, and the front of drain pan 200 is fixed with lamp plate 600, the edge of drain pan 200 is sealed with lamp plate 600, and the back side correspondence position of lamp plate 600 is provided with to be used cooperatively with row's pin 400 Mother row 610, row's pin 400 pass through after the first waterproof enclosure wall with female 610 grafting of row.LED display modules may be provided with four, and this four Individual LED display modules are located on casing 100 and form sphere of movements for the elephants shape side by side two-by-two, and casing 100 corresponds to each LED display modules Region be respectively arranged with row pin 400.
In one embodiment, the lateral wall of the first coaming 110 encloses formed with annular fixing groove 120, i.e. the first dash The face relative with the second coaming 210 of wall 110 forms annular fixing groove 120.The row of adapting to is formed in first coaming 110 The storage tank 130 that pin 400 plugs, 210 interior formed of the second coaming adapt to the inserting groove that the first coaming 110 plugs 220, coordinate between the first coaming 110 and the second coaming 210 for gap, water proof ring 500 is arranged on annular fixing groove In 120, the side of water proof ring 500 and the side wall of annular fixing groove 120 support, the inwall of opposite side and the second coaming 210 Support, to seal the gap between two coamings.
Refer to Fig. 3, Fig. 6, Fig. 9, side of the water proof ring 500 away from annular fixing groove 120 formed with annular groove 510, I.e. there are the side relative with the inwall of the second coaming 210 of water proof ring 500 upper and lower two to support end, formed between the upper and lower every Double layer water-proof structure, to increase the reliability of waterproof.In one embodiment, the longitudinal section of the annular groove of coaming uses U-shaped longitudinal section.
The longitudinal section of annular fixing groove 120 is that side has rectangle jaggy, and it is in hollow flat that water proof ring 500 is overall Colloid, the top surface of water proof ring 500 and bottom surface are the plane being parallel to each other, water proof ring 500 two layers supports end up and down is in arc surfaced.
Fig. 3, Fig. 8 are referred to, the second coaming 210 is formed with the prominent extension of the extension from the back side of drain pan 200 211, and the extension 211 has interval with casing 100.The outer wall of first coaming 110 close to the back side of drain pan 200 one End is formed with ring-shaped step, and step surface of the ring-shaped step close to the side of annular fixing groove 120 is inclined-plane 111, i.e., first encloses Thickness of the wall close to one end of drain pan 200 diminish and the first enclosure wall outer wall formed with the inclined-plane 111, in order to the first dash Enclosure wall 110 is plugged in the second coaming 210.
Storage tank 130 is provided with reducing end 140, also, the diameter at the reducing end 140 close to the side at the back side of casing 100 It is gradually reduced from the back side of casing 100 to positive direction.In a specific embodiment, reducing end 140 includes vertical section and change Footpath section, for vertical section close to the back side of casing 100, the diameter of reducer one end is equal to the diameter of vertical section, reducing end 140 it is another The diameter at end is equal to diameter of the storage tank 130 close to the side of drain pan 200.
Drain pan 200 can be adopted with casing 100 and is screwed, and the back side of drain pan 200 is close to the front of casing 100, also may be used To be that drain pan 200 is close to the surrounding of casing 100 close to the relative face of edge, the relative face in both intermediate regions is vacantly to set Put.
Fig. 2, Fig. 4 are referred to, in one embodiment, the surrounding of drain pan 200 is provided with multiple first adsorption pieces 230, casing 100 surrounding is provided with multiple second adsorption piece (not shown), the position of multiple first adsorption pieces 230 and multiple second adsorption pieces Correspond.The edge of the surrounding of drain pan 200 is formed with step 240, and the edge of the surrounding of casing 100 is towards front extension formed with supporting Section 150, this supports section 150 and is resisted against on the step surface of step 240 of base edge, makes the first adsorption piece 230 and the second absorption Formed with above-mentioned interval between part, and make to form hanging absorption, i.e. drain pan between the first adsorption piece 230 and the second adsorption piece The first adsorption piece 230 on 200 is not in contact with each other with the second adsorption piece on casing 100, the platform that housing and casing 100 pass through edge Rank 240 and support section 150 and directly contact.The setting vacantly adsorbed between first adsorption piece 230 and the second adsorption piece shows LED The interface waterproof construction 10 of screen eliminates the precision controlling between two adsorption pieces when assembling, can effectively reduce accumulated tolerance, subtract The precision controlling difficulty of low assembling processing.The edge of step 240 is towards front extension formed with rib, the rib and pcb board 300 Side is offseted, and the side of the surrounding of pcb board 300 is hidden in rib to prevent dust from entering.
First adsorption piece 230 and the second adsorption piece use permanent magnet, and the first adsorption piece 230 and the second adsorption piece are relative The magnetic pole in face is opposite.First adsorption piece 230 can also use magnet sucking disc, and the second adsorption piece uses magnet, the cross-sectional area of magnet Slightly larger than the cross-sectional area of magnet sucking disc, magnet sucking disc is further secured on drain pan 200 by sunk screw, and it is heavy that magnet passes through Head screw is fixed on the front of casing 100.
The first coaming of the interface waterproof construction of above-mentioned LED display, casing and drain pan formed with socket, second gear One of water enclosure wall, two enclosure walls are formed with the annular fixing groove for adapting to water proof ring, and two coamings are formed with double shielding Structure is located at outside row's pin, and water proof ring is compressed between two coamings, and rainwater can be prevented from the seam of two coamings Enter and the row's of touching pin in gap.
The interface waterproof construction of above-mentioned LED display, it is recessed that the water proof ring face relative with the second coaming is provided with annular Groove, water proof ring is set to support end spaced two layers formed with tool, both sides support end with the second coaming Elastic Contact, make to prevent Water reliability strengthens.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, lance is not present in the combination of these technical characteristics Shield, all it is considered to be the scope of this specification record.
Above example only expresses the several embodiments of the present invention, and its description is more specific and detailed, but can not Therefore it is construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, On the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

  1. A kind of 1. interface waterproof construction of LED display, it is characterised in that including:
    Casing, the casing are provided with row's pin, and the casing is in row's pin surrounding formed with the first coaming, first dash A part for enclosure wall protrudes from the front extension of the casing;
    LED display modules and water proof ring, the LED display modules include being fixed on the positive drain pan of the casing and are fixed on institute The pcb board stated in casing and be electrically connected with row's pin, the drain pan is in the position of first coaming formed with the Two coamings, a part for second coaming extends from the back side of the drain pan to be protruded, first coaming A part be inserted in second coaming, first coaming and relative two of second coaming One of face is recessed formed with annular fixing groove, and the water proof ring is arranged in the annular fixing groove and pressed in described first Between coaming and second coaming, to seal between first coaming and second coaming Space.
  2. 2. the interface waterproof construction of LED display according to claim 1, it is characterised in that first coaming Lateral wall be recessed to be formed and stated annular fixing groove.
  3. 3. the interface waterproof construction of LED display according to claim 1, it is characterised in that the water proof ring is away from institute The side of annular fixing groove is stated formed with annular groove.
  4. 4. the interface waterproof construction of LED display according to claim 3, it is characterised in that the annular groove is indulged Section is U-shaped longitudinal section.
  5. 5. the interface waterproof construction of LED display according to claim 1, it is characterised in that the annular fixing groove Longitudinal section is that side has rectangle jaggy, and the top surface of the water proof ring and bottom surface are the plane being parallel to each other.
  6. 6. the interface waterproof construction of LED display according to claim 1, it is characterised in that second coaming Formed with prominent extension is extended from the drain pan back side, the extension and the front of the casing have interval.
  7. 7. the interface waterproof construction of LED display according to claim 1, it is characterised in that first coaming Outer wall close to the one end at the drain pan back side formed with ring-shaped step, the ring-shaped step close to the annular fixing groove one The step surface of side is inclined-plane in order to which first coaming is plugged in second coaming.
  8. 8. the interface waterproof construction of LED display according to claim 1, it is characterised in that the storage tank is close to institute The side for stating box back surface is provided with reducing end, and the width at the reducing end from the back side of the casing to positive direction by It is decrescence small.
  9. 9. the interface waterproof construction of LED display according to claim 8, it is characterised in that the reducing end includes perpendicular Straight section, the reducer being connected with the vertical section, the vertical section close to the back side of the casing, one end of the reducer Width is equal to the width of the vertical section.
  10. 10. the interface waterproof construction of LED display according to claim 1, it is characterised in that the surrounding of the drain pan is set Multiple first adsorption pieces are equipped with, the surrounding of the casing is provided with and the multiple first adsorption piece one-to-one multiple second Adsorption piece, the drain pan are fixed on by the magnetic absorption between the multiple first adsorption piece and the multiple second adsorption piece On the casing.
CN201710597740.1A 2017-07-20 2017-07-20 Interface waterproof construction of LED display screen Active CN107481624B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710597740.1A CN107481624B (en) 2017-07-20 2017-07-20 Interface waterproof construction of LED display screen

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Application Number Priority Date Filing Date Title
CN201710597740.1A CN107481624B (en) 2017-07-20 2017-07-20 Interface waterproof construction of LED display screen

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CN107481624A true CN107481624A (en) 2017-12-15
CN107481624B CN107481624B (en) 2020-06-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111145654A (en) * 2019-12-17 2020-05-12 广州视源电子科技股份有限公司 LED display screen module and LED display screen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090060511A (en) * 2007-12-10 2009-06-15 주식회사 반디라이트 A led module for channel characters
CN203562151U (en) * 2013-10-11 2014-04-23 深圳市丽晶光电科技股份有限公司 Waterproof system for LED display screen module
CN204496862U (en) * 2015-03-02 2015-07-22 深圳市蔷薇科技有限公司 The full waterproof module of a kind of outdoor bar shaped high-resolution LED
CN104900159A (en) * 2015-05-21 2015-09-09 深圳市艾比森光电股份有限公司 Led display screen
CN206040141U (en) * 2016-09-21 2017-03-22 深圳市科伦特科技有限公司 Structure of waterproof LED display screen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090060511A (en) * 2007-12-10 2009-06-15 주식회사 반디라이트 A led module for channel characters
CN203562151U (en) * 2013-10-11 2014-04-23 深圳市丽晶光电科技股份有限公司 Waterproof system for LED display screen module
CN204496862U (en) * 2015-03-02 2015-07-22 深圳市蔷薇科技有限公司 The full waterproof module of a kind of outdoor bar shaped high-resolution LED
CN104900159A (en) * 2015-05-21 2015-09-09 深圳市艾比森光电股份有限公司 Led display screen
CN206040141U (en) * 2016-09-21 2017-03-22 深圳市科伦特科技有限公司 Structure of waterproof LED display screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111145654A (en) * 2019-12-17 2020-05-12 广州视源电子科技股份有限公司 LED display screen module and LED display screen

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