CN102136688A - Switch cabinet pressure relief device capable of ventilating and preventing dust - Google Patents
Switch cabinet pressure relief device capable of ventilating and preventing dust Download PDFInfo
- Publication number
- CN102136688A CN102136688A CN201010002615XA CN201010002615A CN102136688A CN 102136688 A CN102136688 A CN 102136688A CN 201010002615X A CN201010002615X A CN 201010002615XA CN 201010002615 A CN201010002615 A CN 201010002615A CN 102136688 A CN102136688 A CN 102136688A
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- pressure relief
- relief device
- shrouding
- ventilating opening
- side plate
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Abstract
The invention discloses a switch cabinet pressure relief device capable of ventilating and preventing dust, comprising a sealing plate which comprises a top pate, four side plates connected with the top plate and a mounting plate used for arranging the sealing plate on the body of the switch cabinet; a plurality of sealing plate air vents are arranged at least one side plate; a dustproof chamber is tightly arranged on the inner wall of the side plate, and comprises a vertical baffle relative to the inner wall of the side plate; the vertical baffle is provided with a plurality of dustproof chamber air vents; and a labyrinth-type channel used for preventing the dust from directly entering the dustproof chamber air vent from the seal plate air vent is arranged in the dustproof chamber. By using the device provided by the invention, the problems that the dust can directly enter the switch cabinet, and the ventilating properties and the dustproof properties of the switch cabinet can be not simultaneously well dissolved; and the device is especially suitable for the ventilating and dustproof pressure relief device at the top part of the switch cabinet.
Description
Technical field
The present invention relates to a kind of switch cubicle pressure relief device, but the pressure relief device of the dust control by ventilation at specifically a kind of switch cubicle top.
Background technology
Switch cubicle is a kind of electric equipment, and outside line is introduced into master switch in the cabinet, enters branch control switch then, and each needs to be provided with by it along separate routes.Because the electric component in the switch cubicle can heat up when work, the temperature and humidity in the switch cubicle is increased, in order to guarantee the original paper operate as normal in the switch cubicle, the moisture in the switch cubicle needs to discharge.Usually the method for taking is to increase the heat dissipation ventilation hole at cabinet, but the degree of protection that ventilation hole can reduce switch cubicle is set, and the dust of external environment condition enters easily and forms filth in the switch cubicle, causes the decreased performance of electric component.
A kind of fixedly separation pull-out type low-tension switch cabinet is disclosed among the Chinese patent literature CN201360107Y, solved the problem of drawer-type switch cabinet heat dispersion difference and wiring difficulty, it comprises bus-bar room, electric apparatus room and cable vault, bus-bar room is arranged on the cabinet middle part, it about bus-bar room the place ahead electric apparatus room, in the bus-bar room both sides is the cable vault, and longitudinally carry out the electric apparatus room dividing elements from the cabinet front, be provided with the bus-bar room ventilating opening at cabinet top and bottom, the ventilating opening at top is provided with gauze, is provided with baffle plate above ventilating opening.This patent disclosure by a kind of mode that ventilation hole improves the switch cubicle heat dispersion is set, in order to prevent entering of outside dust, also be provided with gauze and baffle plate at the ventilating opening place.But the dust-obstructing efficiency of gauze is the size of mesh, still can directly enter switch cubicle inside less than the dust of mesh, and is too little if mesh is provided with, then can influence its air permeability.Simultaneously, dust also can influence the ventilation effect of switch cubicle attached to the gauze surface.
Summary of the invention
For this reason, technical problem to be solved by this invention is that dust can directly enter in the switch cubicle, the problem that the performance of ventilating of switch cubicle and anti-dust performance can not solve simultaneously well, thus a kind of switch cubicle pressure relief device that had not only had good performance of ventilating but also had the good dust-proof performance is proposed.
For solving the problems of the technologies described above, but the switch cubicle pressure relief device of a kind of dust control by ventilation of the present invention, comprise shrouding, described shrouding comprises top board, mounting panel on four side plates that are connected with described top board and the cabinet that described shrouding is installed in described switch cubicle, it is characterized in that: at least one side plate, be provided with several shrouding ventilating openings, be close to described side plate inwall and be provided with a dustproof chamber, described dustproof chamber comprises and the relative vertical baffle of described side plate inwall, described vertical baffle is provided with several dustproof chamber ventilating openings, is provided with labyrinth passage in the described dustproof chamber.
But the switch cubicle pressure relief device of dust control by ventilation of the present invention, described labyrinth passage is for being provided with at least one additional stops between described side plate and described vertical baffle, one end of described additional stops is connected in described top board, and the other end does not connect, and is provided with for opening wide.
But the switch cubicle pressure relief device of dust control by ventilation of the present invention, described additional stops is parallel with described side plate.
But the switch cubicle pressure relief device of dust control by ventilation of the present invention, the bottom of described labyrinth passage are the groove of being located between described side plate and the described vertical baffle.
But the switch cubicle pressure relief device of dust control by ventilation of the present invention, described shrouding ventilating opening and described dustproof chamber ventilating opening are equal strip structure.
But the switch cubicle pressure relief device of dust control by ventilation of the present invention all is provided with described shrouding ventilating opening and corresponding described dustproof chamber on described four side plates.
The setting but the switch cubicle pressure relief device of dust control by ventilation of the present invention, described shrouding ventilating opening and described dustproof chamber ventilating opening stagger mutually.
But the switch cubicle pressure relief device of dust control by ventilation of the present invention is fixed by plastic screw between the cabinet of described mounting panel and described switch cubicle.
But the switch cubicle pressure relief device of dust control by ventilation of the present invention is respectively equipped with four mounting panels on described four side plates of described shrouding.
But the switch cubicle pressure relief device of dust control by ventilation of the present invention is fixed by iron screw between described shrouding and the described labyrinth passage.
Technique scheme of the present invention has the following advantages compared to existing technology,
(1) but the switch cubicle pressure relief device of dust control by ventilation of the present invention, the shrouding ventilating opening is set on the side plate of shrouding, be provided with dustproof chamber being close to described shrouding side plate inwall, described dustproof chamber comprises the vertical baffle that is provided with several dustproof chamber ventilating openings, be provided with labyrinth passage in the described dustproof chamber, the dust that described labyrinth passage is used for entering from described shrouding ventilating opening is blocked in dustproof inside, chamber, thereby dust can not enter cabinet inside, simultaneously, described shrouding ventilating opening and dustproof chamber ventilating opening are used for cabinet inside and ventilate with the outside, discharge hot gas and moisture in the cabinet, labyrinth passage can not influence the ventilation and the heat dispersion of switch cubicle again, like this, both guaranteed that the pollution that the cabinet inner member can not be subjected to dust causes performance to reduce, and had effectively guaranteed the normal operation circumstances of cabinet internal electric element again.
(2) but the switch cubicle pressure relief device of dust control by ventilation of the present invention, labyrinth passage can be set to the additional stops between described side plate and vertical baffle, one end of described additional stops is connected in described top board, the other end is unconnected unlimited setting, additional stops can be parallel to the side plate setting, thereby form labyrinth passage and reach the dustproof purpose by additional stops is set, the dust that enters the shrouding ventilating opening is directly stopped by additional stops, attached to its surface or fall into the channel bottom groove, but gas can be by additional stops unlimited an end and cabinet internal ventilation, when ventilating, also reached the dustproof effect, and the number of additional stops can be provided with as required, flexible, better reached the effect of dust control by ventilation.
(3) but the switch cubicle pressure relief device of dust control by ventilation of the present invention is provided with groove between described side plate and described vertical baffle, dust can be collected in described groove like this, has made things convenient for cleaning.
(4) but the switch cubicle pressure relief device of dust control by ventilation of the present invention, shrouding ventilating opening and dustproof chamber ventilating opening can be set to strip structure, such structure can allow gas get rid of more easily, make cabinet inner better with outside air permeability, strip structure has limited the dust inlet simultaneously, makes the least possible dust enter the shrouding ventilating opening.
(5) but the switch cubicle pressure relief device of dust control by ventilation of the present invention, can on four side plates, all be provided with shrouding ventilating opening and corresponding described dustproof chamber, guaranteed that like this switch cubicle has good performance of ventilating, the hot gas and the moisture of cabinet inside can in time be discharged, for the element of cabinet inside provides good working environment.
(6) but the switch cubicle pressure relief device of dust control by ventilation of the present invention, the setting of staggering mutually of described shrouding ventilating opening and described dustproof chamber ventilating opening, this staggers, and be provided with can more effective blocks dust, make dust by effective isolation in dustproof inside, chamber, fall into dustproof chamber bottom groove, can not enter switch cubicle inside with gas flow.
(7) but the switch cubicle pressure relief device of dust control by ventilation of the present invention, a side is fixed by continuously connected fastener between the cabinet of described mounting panel and described switch cubicle, opposite side is fixed by hinge, like this, when break down in cabinet inside, if air pressure is excessive can back down continuously connected fastener, to open shrouding and carry out pressure release, shrouding comes off when effectively preventing the generation of exploding and pressure release.
(8) but the switch cubicle pressure relief device of dust control by ventilation of the present invention can be provided with mounting panel on four side plates of shrouding, shrouding is installed on the switch cabinet body good airproof performance by described four mounting panels.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein
But Fig. 1 is the closing plate structure schematic diagram of the switch cubicle pressure relief device of dust control by ventilation of the present invention;
But Fig. 2 is the cutaway view of the switch cubicle pressure relief device of dust control by ventilation of the present invention;
Fig. 3 is the partial enlarged drawing of A part among Fig. 2;
But Fig. 4 is the shrouding opposite side schematic diagram of the switch cubicle pressure relief device of dust control by ventilation of the present invention.
Reference numeral is expressed as among the figure: 1-shrouding, 11-top board, 12-side plate, 13, the 130-mounting panel, 14-shrouding ventilating opening, 21-vertical baffle, the dustproof chamber of 22-ventilating opening, 31-additional stops, 32-groove, 4-plastic screw, 5-hinge.
Embodiment
Fig. 1, Fig. 2, but Fig. 3 has provided the switch cubicle pressure relief device of dust control by ventilation of the present invention, comprise shrouding 1, described shrouding 1 comprises top board 11, two mounting panels 13 on four side plates 12 that are connected with described top board 11 and the cabinet that described shrouding 1 is installed in described switch cubicle, 130, described two mounting panels 13,130 are positioned at the both sides of shrouding, on four side plates 12, be provided with several shrouding ventilating openings 14, be close to each described side plate 12 inwall and respectively be provided with a dustproof chamber 2, described dustproof chamber comprises and the relative vertical baffle 21 of described side plate 12 inwalls, described vertical baffle 21 is provided with several dustproof chamber ventilating openings 22, is provided with labyrinth passage in the described dustproof chamber.In the present embodiment, described labyrinth passage can be set to an additional stops 31 between described side plate 12 and described vertical baffle 21, one end of described additional stops 31 is connected in described top board 11, the other end does not connect, be provided with for opening wide, additional stops 31 herein can be set to a plurality of as required.Described additional stops 31 is parallel with described side plate 12, and the bottom of described labyrinth passage is the groove of being located between described side plate 12 and the described vertical baffle 21 32.The setting of staggering mutually of described shrouding ventilating opening 14 and described dustproof chamber ventilating opening 22.Described shrouding ventilating opening 14 and described dustproof chamber ventilating opening 22 are equal strip structure.Described mounting panel 13 is fixed on a side of the cabinet of described switch cubicle by plastic screw 4, described mounting panel 130 is fixed on the opposite side of cabinet by hinge 5, shown in Fig. 1,4.Fix by iron screw between described shrouding 1 and the described labyrinth passage.
In the present embodiment, also can be as required on only one, two or three side plates 12, shrouding ventilating opening 14 and corresponding dustproof chamber be set, on described four side plates 12 of described shrouding 1, also can be respectively equipped with four mounting panels, one of them mounting panel is hinged through the hinge on the cabinet, and its excess-three is individual to be fixed on the cabinet by continuously connected fastener.。
The described dustproof ventilation unit of present embodiment, when dust enters dustproof chamber by shrouding ventilating opening 14 after, stop by the additional stops in the labyrinth passage 31, fall into described groove 32, deposition in described groove 32, can not enter in the switch cabinet body by dustproof chamber ventilating opening 22, gas then can circulate between dustproof chamber ventilating opening 22 and shrouding ventilating opening 14 by labyrinth passage, the hot gas and the moisture of effective waste cock cabinet inside, when break down in inside, also can back down plastic screw 4 by pressure inside, carry out pressure release thereby open shrouding 1, with dust control by ventilation and the effective combination of explosion prevention function, safe and efficient.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And conspicuous variation of being extended out thus or change still are among the protection range of the invention.
Claims (10)
1. but the switch cubicle pressure relief device of a dust control by ventilation, comprise shrouding (1), described shrouding (1) comprises top board (11), mounting panel (13) on four side plates (12) that are connected with described top board (11) and the cabinet that described shrouding (1) is installed in described switch cubicle, it is characterized in that: at least one side plate (12), be provided with several shrouding ventilating openings (14), be close to described side plate (12) inwall and be provided with a dustproof chamber, described dustproof chamber comprises the vertical baffle (21) relative with described side plate (12) inwall, described vertical baffle (21) is provided with several dustproof chamber ventilating openings (22), is provided with in the described dustproof chamber to be used to stop dust directly to enter into the labyrinth passage of described dustproof chamber ventilating opening (22) from described shrouding ventilating opening (14).
2. pressure relief device according to claim 1, it is characterized in that: described labyrinth passage is for being provided with at least one additional stops (31) between described side plate (12) and described vertical baffle (21), one end of described additional stops (31) is connected in described top board (11), the other end does not connect, and is provided with for opening wide.
3. pressure relief device according to claim 2 is characterized in that: described additional stops (31) is parallel with described side plate (12).
4. according to any described pressure relief device among the claim 1-3, it is characterized in that: the bottom of described labyrinth passage is for being located at the groove (32) between described side plate (12) and the described vertical baffle (21).
5. according to any described pressure relief device among the claim 1-3, it is characterized in that: described shrouding ventilating opening (14) and described dustproof chamber ventilating opening (22) are equal strip structure.
6. according to any described pressure relief device among the claim 1-3, it is characterized in that: all be provided with described shrouding ventilating opening (14) and corresponding described dustproof chamber on described four side plates (12).
7. according to any described pressure relief device among the claim 1-3, it is characterized in that: the setting of staggering mutually of described shrouding ventilating opening (14) and described dustproof chamber ventilating opening (22).
8. according to any described pressure relief device among the claim 1-3, it is characterized in that: fixing between the cabinet of described mounting panel (13) and described switch cubicle by plastic screw (4).
According to Claim 8 in any described pressure relief device, it is characterized in that: on described four side plates (12) of described shrouding (1), be respectively equipped with four mounting panels (13).
10. according to any described pressure relief device in claim 1 or 2 or 3 or 8, it is characterized in that: fix by iron screw between described shrouding (1) and the described labyrinth passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010002615.XA CN102136688B (en) | 2010-01-22 | 2010-01-22 | Switch cabinet pressure relief device capable of ventilating and preventing dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010002615.XA CN102136688B (en) | 2010-01-22 | 2010-01-22 | Switch cabinet pressure relief device capable of ventilating and preventing dust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102136688A true CN102136688A (en) | 2011-07-27 |
| CN102136688B CN102136688B (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010002615.XA Active CN102136688B (en) | 2010-01-22 | 2010-01-22 | Switch cabinet pressure relief device capable of ventilating and preventing dust |
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| Country | Link |
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| CN (1) | CN102136688B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500952A (en) * | 2013-10-23 | 2014-01-08 | 昆山振宏电子机械有限公司 | Distribution cabinet |
| CN104728480A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Pressure relief device of pressure changer |
| CN105244779A (en) * | 2015-11-24 | 2016-01-13 | 重庆新大顺电器有限公司 | Switch cabinet pressure relief device |
| CN105356322A (en) * | 2015-12-14 | 2016-02-24 | 重庆新大顺电器有限公司 | Pressure release system of switch cabinet |
| CN105356323A (en) * | 2015-12-14 | 2016-02-24 | 重庆新大顺电器有限公司 | Pressure release structure of electric switch cabinet |
| CN109379867A (en) * | 2018-10-26 | 2019-02-22 | 江苏德联达智能科技有限公司 | A kind of dust-proof router based on labyrinth structure |
| CN113300264A (en) * | 2021-04-27 | 2021-08-24 | 湖北省电力装备有限公司 | Cable rear-connected type inflating cabinet |
| CN114361966A (en) * | 2022-03-21 | 2022-04-15 | 四川电器集团中低压智能配电有限公司 | Dustproof heat dissipation type insulation inflating cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201174516Y (en) * | 2008-02-29 | 2008-12-31 | 河南森源电气股份有限公司 | Top board construction of switch cabinet |
| CN201349099Y (en) * | 2008-12-30 | 2009-11-18 | 上海宝临电气集团有限公司 | Top cover of low-voltage distribution cabinet |
| CN201708458U (en) * | 2010-01-22 | 2011-01-12 | 华仪电气股份有限公司 | Ventilating and dustproof switch cabinet pressure relieving device |
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2010
- 2010-01-22 CN CN201010002615.XA patent/CN102136688B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201174516Y (en) * | 2008-02-29 | 2008-12-31 | 河南森源电气股份有限公司 | Top board construction of switch cabinet |
| CN201349099Y (en) * | 2008-12-30 | 2009-11-18 | 上海宝临电气集团有限公司 | Top cover of low-voltage distribution cabinet |
| CN201708458U (en) * | 2010-01-22 | 2011-01-12 | 华仪电气股份有限公司 | Ventilating and dustproof switch cabinet pressure relieving device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500952A (en) * | 2013-10-23 | 2014-01-08 | 昆山振宏电子机械有限公司 | Distribution cabinet |
| CN104728480A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Pressure relief device of pressure changer |
| CN104728480B (en) * | 2013-12-24 | 2020-06-16 | 珠海格力电器股份有限公司 | Pressure relief device of transformer |
| CN105244779A (en) * | 2015-11-24 | 2016-01-13 | 重庆新大顺电器有限公司 | Switch cabinet pressure relief device |
| CN105356322A (en) * | 2015-12-14 | 2016-02-24 | 重庆新大顺电器有限公司 | Pressure release system of switch cabinet |
| CN105356323A (en) * | 2015-12-14 | 2016-02-24 | 重庆新大顺电器有限公司 | Pressure release structure of electric switch cabinet |
| CN109379867A (en) * | 2018-10-26 | 2019-02-22 | 江苏德联达智能科技有限公司 | A kind of dust-proof router based on labyrinth structure |
| CN113300264A (en) * | 2021-04-27 | 2021-08-24 | 湖北省电力装备有限公司 | Cable rear-connected type inflating cabinet |
| CN114361966A (en) * | 2022-03-21 | 2022-04-15 | 四川电器集团中低压智能配电有限公司 | Dustproof heat dissipation type insulation inflating cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102136688B (en) | 2014-03-05 |
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