CN202085424U - Box structure for outdoor electromagnetic compatibility control box - Google Patents
Box structure for outdoor electromagnetic compatibility control box Download PDFInfo
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- CN202085424U CN202085424U CN2011201277403U CN201120127740U CN202085424U CN 202085424 U CN202085424 U CN 202085424U CN 2011201277403 U CN2011201277403 U CN 2011201277403U CN 201120127740 U CN201120127740 U CN 201120127740U CN 202085424 U CN202085424 U CN 202085424U
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- sealing strip
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- electromagnetic compatibility
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Abstract
A box structure for an outdoor electromagnetic compatibility control box is characterized in that a shell wall on the top of a box body is provided with a doorframe hole, the doorframe hole bends upwards, forms a bending edge, and bends outwards, a loop of right-angle bending frame is arranged in the doorframe hole, the top of the vertical segment of the right-angle bending frame bends inwards, a loop of sealing strip is arranged at the outward-bending segment of the bending edge, the cross section of an elastic sealing ring is arranged at the upper portion of the cross section of the sealing strip, the cross section of a self-locking clamping port is arranged at the lower portion of the cross section of the sealing strip, the outward-bending segment of the bending edge is embedded in the clamping port, a loop of electromagnetic compatibility sealing strip with glue is fixed on the upper surface of the inward-bending segment of the right-angle bending frame, a movable box door is covered at the outer side of the doorframe hole, and the inner side of a closed box door is pressed against the sealing strip and the electromagnetic compatibility sealing strip. The box structure satisfies the requirements of electromagnetic compatibility on good waterproof, dustproof, anticorrosion performances in outdoor usage, is convenient in manufacturing and usage, good in reliability and simple in structure, can be used for a long time without maintenance, and only requires the grounding of the box body.
Description
Technical field
The utility model relates to the control cabinet body structure, relates in particular to the control cabinet body structure that a kind of need satisfy outdoor dustproof and waterproof and electromagnetic compatibility requirement.
Background technology
Electromagnetic Compatibility is meant the operation that meets the requirements of equipment or system in its electromagnetic environment, any equipment in its environment is not produced the ability of intolerable electromagnetic interference simultaneously.Therefore, EMC comprises the requirement of two aspects: the equipment that is meant on the one hand can not surpass certain limit value to the electromagnetic interference that the place environment produces in normal course of operation; Be meant that on the other hand utensil has to a certain degree immunity to interference, i.e. electromagnetic susceptibility to the electromagnetic interference that exists in the environment of place.
Along with the continuous progress of modern computer network technologies and intelligent control technology, industrial automation control system is more and more higher to electrical control equipment casing electromagnetic compatibility requirements.Of all sizes at present, use a computer technology and intelligent control technology of the control cabinet that purposes is different is found everywhere.Although the electromagnetic compatibility mode difference of various control cabinets, its main purpose are to form good conducting loop to be beneficial to import the electromagnetism in the equipment underground.
In order to guarantee for the few distortion of the transmission signals of the tens of meters far distance controlled signals in open air, the electromagnetic compatibility requirements particular importance that seems.Yet for the demanding electromagnetic compatibility control cabinet of degree of protection, particularly be placed on outdoor requirement: free from dust enters, the water column that sprays to casing by the either direction harmful effect that do not have, and existing version makes us not being to feel quite pleased.
The mode that present people adopt on electromagnetic compatibility control cabinet structure mainly contains: welding of aluminum section bar bezel double containment form structure on the chamber door, casing right angle flange is stuck on the sealing strip and seals.This structure is welded assembling on doorframe rectangle section bar need mill two grooves: the dark broad of the groove in the inside, embed the electromagnetic compatibility sealing strip, the groove that keeps to the side is more shallow narrower, and water proof and dust proof is used, four part diagonal angles of section bar needs are welded into the rectangle type and are solded into the cabinet door inner edge, and surface smoothness requires high.Two kinds of sealing strips of placement in the groove are located splicing at four angles, because degree of protection requires height, easily leak, and must add at Si Jiaochu and fill out silica gel curing, and configuration sealing crimping hinge reaches requirement of shelter.
This kind form body structure section bar processing cost height, the manufacture process requirement strictness, complex structure, the weight of cabinet door increases, maintenance is used inconvenient, repeatedly open chamber door after, sealing effectiveness is poor.
The utility model content
The electromagnetic compatibility control cabinet structure that technical problem to be solved in the utility model is to provide that a kind of outdoor Electro Magnetic Compatibility is good, dustproof and waterproof quality height, easy to use, long-term use need not to keep in repair.
The utility model is achieved through the following technical solutions:
A kind of body structure of outdoor electromagnetic compatibility control cabinet is characterized in that:
Offer frame hole on the shell wall at casing top, frame hole upwards bending, bending edges earlier outwards folds again, forms the right angle bending edges that a circle cross section is inverted "L" shaped,
Configuration one circle right angle bending frame in frame hole, bending frame in right angle vertically inwardly folds at the section top, right angle bending frame vertically section and the bending edges bending section that makes progress is fitted, both fix with Type of Welding, the right angle bending frame inwardly section of folding into top is higher than the outwards section of folding top of bending edges, bending frame bottom in right angle is concordant with shell wall inboard, casing top
The bending edges outwards section of folding is gone up configuration one circle sealing strip, on the cross section aspect sealing strip length, sealing strip top is the cyclic spring sealing of bipeltate, lower base is the folder mouth of soft rubber, folder mouthful interior setting-in wire spring sheet, two bare terminal ends of folder mouth are clamped on the outwards section of folding of bending edges
The right angle bending frame inwardly upper surface of the section of folding into is fixed a circle electromagnetic compatibility sealing strip,
The chamber door of frame hole outer side covers activity, closed chamber door, its inboard is pressed on sealing strip and the electromagnetic compatibility sealing strip,
Casing, chamber door, right angle bending frame are stainless steel material.
In the MCAD digital control processing, earlier the frame hole bending of casing top is gone out the right angle bending edges, then right angle bending frame is welded on the right angle bending edges; Then, at the rectangle frame position that bending frame in right angle inwardly contacts with the electromagnetic compatibility sealing strip on the upper surface of the section of folding into and the chamber door, pasted with high temperature-resistant adhesive tape; Next step, to carrying out electrostatic powder coating inside and outside casing, the table top, spraying is removed adhesive tape after finishing; At last, at the inside upper surface assembling electromagnetic compatibility sealing strip of the section of folding into of right angle bending frame, at the outside fixing seal bar on the section of folding of bending edges.
Bottom half and side wiring hole place, adopt meet IP65 lead the cable connector, sealed letter adopts the electromagnetic compatibility sealing gasket.All be welded with the ground connection screw in the electromagnetic compatibility control cabinet; the good earth of retentive control box body; chamber door is by rectangle frame position and the conducting of electromagnetic compatibility sealing strip with high temperature resistant adhesive tape protection when spraying of its inboard; the electromagnetic compatibility sealing strip is again by the inwardly upper surface and the inwardly section of the folding into conducting of right angle bending frame of the section of folding into of right angle bending frame; because the bending edges and the right angle bending frame of casing also are conductings; chamber door and casing are conductings, thereby have guaranteed the ground connection of casing integral body.
The dustproof and waterproof sealing of control cabinet guarantees by sealing strip.Electro Magnetic Compatibility is made, do not had to sealing strip for the foamed silica gel material, and when chamber door was closed, the hermetic unit of its medial surface compressing sealing strip did not have dust between sealing strip and the chamber door and steam enters; Sealing strip and bending edges outwards mouthful fixing between the section of folding with angle self-clamp type folder, so also do not have dust between sealing strip and the casing bending edges and steam enters; The right angle bending frame inwardly section of folding into top is higher than the outwards section of folding top of bending edges, also is the consideration for dustproof and waterproof.Consider that stainless steel material has only 1.5-2mm, this exceeds and highly is preferably 1～2mm, and the thickness with stainless steel material is suitable substantially.
Further, vertical section of right angle bending frame and making progress of bending edges are fixed with the intermittent weld form between the bending section, and structural strength is good, solid and reliable, compares with the full weld form, is difficult for causing box deformation.
Further again, preferred electromagnetic compatibility sealing strip by along the equally distributed a plurality of clamping screws of electromagnetic compatibility sealing strip length direction and right angle bending frame inwardly the section of folding into fix, not only good anti-drop effect, and Electro Magnetic Compatibility also can meet the demands.
The beneficial effects of the utility model are:
1. under the prerequisite that satisfies the electromagnetic compatibility requirement, outdoor use waterproof and dustproof antiseptic property is good;
2. be interrupted welding with the casing bending edges with direct bending frame and fixedly replaced original double flute aluminium section bar structure, make easy to use, good reliability, the long-term use need not to keep in repair;
3. simple in structure, and only need casing ground connection, can reach the requirement of the outdoor use of IP65 electromagnetic compatibility control cabinet.
Description of drawings
Fig. 1 is the three-dimensional schematic diagram of control cabinet casing
Fig. 2 for a kind of casing of existing outdoor electromagnetic compatibility control cabinet in Fig. 1 circled positions, along A-A to the partial enlarged drawing of analysing and observe
Fig. 3 for the casing of the utility model control cabinet in Fig. 1 circled positions, along A-A to the partial enlarged drawing of analysing and observe
Fig. 4 is sealing strip 5 amplification profiles
Among Fig. 1-4: 1 is casing, and 1-1 is the right angle bending edges, and 2 is chamber door, and 3 is right angle bending frame, and 4 is the electromagnetic compatibility sealing strip, and 5 is sealing strip, and 6 is clamping screw, and 8 is aluminium section bar, and 9 is the electromagnetic compatibility sealing strip, and 10 are existing casing, and 11 is the dustproof and waterproof bar.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 2 is a kind of existing outdoor electromagnetic compatibility control cabinet body structure, the aluminium section bar 8 of weld slotted frame double containment form structure on the chamber door 2 is offered frame hole on the shell wall at existing casing 10 tops, and frame hole is gone up bending earlier, form a circle flange, flange is stuck in sealing on the sealing strip 9.This structure is welded assembling on doorframe rectangle section bar 8 need mill two grooves: the dark broad of the groove in the inside, embed electromagnetic compatibility sealing strip 9, the groove in the outside is more shallow narrower, setting-in water proof and dust proof bar 11, the part diagonal angle of four strips of aluminium section bar 8 needs is welded into rectangle frame and is solded into chamber door 2 inner edges, and surface smoothness requires high.Two kinds of sealing strips of placement in the groove are located splicing at four angles, because degree of protection requires height, easily leak, and must add at Si Jiaochu and fill out silica gel curing, and configuration sealing crimping hinge reaches requirement of shelter.
Among Fig. 3, offer frame hole on the shell wall at casing 1 top, frame hole upwards bending, bending edges earlier outwards folds again, forms the right angle bending edges 1-1 that a circle cross section is inverted "L" shaped,
Configuration one circle right angle bending frame 3 in frame hole, 3 vertical sections tops of right angle bending frame inwardly fold into, right angle bending frame 3 vertically section and the bending edges 1-1 bending section that makes progress is fitted, both fix with the intermittent weld form, the right angle bending frame 3 inwardly section of folding into top exceeds the outwards section of folding top 1～2mm of bending edges 1-1, right angle bending frame 3 bottoms are concordant with shell wall inboard, casing 1 top
The bending edges 1-1 outwards section of folding upward disposes a circle sealing strip 5, and on the cross section aspect sealing strip 5 length, sealing strip 5 tops are the cyclic spring sealing of bipeltate, and lower base is the folder mouth of soft rubber, the interior setting-in wire spring sheet of folder mouth, as shown in Figure 4,
Two bare terminal ends of folder mouth are clamped on the outwards section of folding of bending edges 1-1,
Right angle bending frame 3 is the upper surface configuration one circle electromagnetic compatibility sealing strip 4 of the section of folding into inwardly, passes through between the two to fix along the equally distributed a plurality of clamping screws 6 of electromagnetic compatibility sealing strip 4 length directions,
The chamber door 2 of frame hole outer side covers activity, closed chamber door 2, its inboard is pressed on sealing strip 5 and the electromagnetic compatibility sealing strip 4,
In the MCAD digital control processing, earlier casing 1 top frame hole bending is gone out right angle bending edges 1-1, then right angle bending frame 3 is welded on the right angle bending edges 1-1; Then, at the rectangle frame position that right angle bending frame 3 inwardly contacts with electromagnetic compatibility sealing strip 4 on the upper surface of the section of folding into and the chamber door 2, pasted with high temperature-resistant adhesive tape; Next step, to carrying out electrostatic powder coating inside and outside casing 1, the chamber door 2, spraying is removed adhesive tape after finishing; At last, at the inside upper surface assembling electromagnetic compatibility sealing strip 4 of the section of folding into of right angle bending frame 3, at the outside fixing seal bar 5 on the section of folding of bending edges 1-1.
All be welded with the ground connection screw in the electromagnetic compatibility control cabinet, chamber door 2 has guaranteed the ground connection of control cabinet integral body by electromagnetic compatibility sealing strip 4, right angle bending frame 3 and casing 1 conducting.
Claims (4)
1. the body structure of an outdoor electromagnetic compatibility control cabinet is characterized in that:
Offer frame hole on the shell wall at casing (1) top, frame hole upwards bending, bending edges earlier outwards folds again, forms the right angle bending edges (1-1) that a circle cross section is inverted "L" shaped,
Configuration one circle right angle bending frame (3) in frame hole, right angle bending frame (3) vertically inwardly folds at the section top, right angle bending frame (3) is section and upwards bending section applying of bending edges (1-1) vertically, both fix with Type of Welding, right angle bending frame (3) the inwardly section of folding into top is higher than the outwards section of folding top of bending edges (1-1), right angle bending frame (3) bottom is concordant with shell wall inboard, casing (1) top
Bending edges (1-1) the outwards section of folding is gone up configuration one circle sealing strip (5), on the cross section aspect sealing strip (5) length, sealing strip (5) top is the cyclic spring sealing of bipeltate, lower base is the folder mouth of soft rubber, folder mouthful interior setting-in wire spring sheet, two bare terminal ends of folder mouth are clamped on the outwards section of folding of bending edges (1-1)
Right angle bending frame (3) the inwardly upper surface of the section of folding into is fixed a circle electromagnetic compatibility sealing strip (4),
The chamber door (2) of frame hole outer side covers activity, closed chamber door (2), its inboard is pressed on sealing strip (5) and the electromagnetic compatibility sealing strip (4),
Casing (1), chamber door (2), right angle bending frame (3) are stainless steel material.
2. the body structure of the outdoor electromagnetic compatibility control cabinet of kind according to claim 1 is characterized in that: the inwardly section of the folding into top of right angle bending frame (3) is higher than the outwards section of folding top 1～2mm of bending edges (1-1).
3. the body structure of the outdoor electromagnetic compatibility control cabinet of kind according to claim 1 is characterized in that: vertical section of right angle bending frame (3) and making progress of bending edges (1-1) are fixed with the intermittent weld form between the bending section.
4. the body structure of the outdoor electromagnetic compatibility control cabinet of kind according to claim 1 is characterized in that: inwardly the section of folding into is fixing with right angle bending frame (3) by equally distributed a plurality of clamping screws (6) for electromagnetic compatibility sealing strip (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201277403U CN202085424U (en) | 2011-04-27 | 2011-04-27 | Box structure for outdoor electromagnetic compatibility control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201277403U CN202085424U (en) | 2011-04-27 | 2011-04-27 | Box structure for outdoor electromagnetic compatibility control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202085424U true CN202085424U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201277403U Expired - Lifetime CN202085424U (en) | 2011-04-27 | 2011-04-27 | Box structure for outdoor electromagnetic compatibility control box |
Country Status (1)
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| CN (1) | CN202085424U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104051A (en) * | 2014-07-30 | 2014-10-15 | 江苏安靠智能输电工程科技股份有限公司 | Boltless double-seal type cable earth box |
| CN104682671A (en) * | 2013-11-28 | 2015-06-03 | 北车大连电力牵引研发中心有限公司 | Converter cabinet |
| CN105430979A (en) * | 2015-12-30 | 2016-03-23 | 镇江船舶电器有限责任公司 | Box body with electromagnetic shielding function |
| CN109768479A (en) * | 2017-11-09 | 2019-05-17 | 国网甘肃省电力公司检修公司 | Outdoor electric cabinet and its cabinet body |
-
2011
- 2011-04-27 CN CN2011201277403U patent/CN202085424U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682671A (en) * | 2013-11-28 | 2015-06-03 | 北车大连电力牵引研发中心有限公司 | Converter cabinet |
| CN104104051A (en) * | 2014-07-30 | 2014-10-15 | 江苏安靠智能输电工程科技股份有限公司 | Boltless double-seal type cable earth box |
| CN104104051B (en) * | 2014-07-30 | 2017-10-27 | 江苏安靠智能输电工程科技股份有限公司 | A kind of non-bolt Double-layer seal type earthing box for electric cable |
| CN105430979A (en) * | 2015-12-30 | 2016-03-23 | 镇江船舶电器有限责任公司 | Box body with electromagnetic shielding function |
| CN109768479A (en) * | 2017-11-09 | 2019-05-17 | 国网甘肃省电力公司检修公司 | Outdoor electric cabinet and its cabinet body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 200135 No. 600 Minsheng Road, Shanghai, China (Shanghai) free trade zone Patentee after: COSCO marine Polytron Technologies Inc Address before: 200135 No. 600 Minsheng Road, Shanghai, Pudong New Area Patentee before: CHINA SHIPPING NETWORK TECHNOLOGY CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |