CN104242107A - Ventilation device of power distribution equipment - Google Patents
Ventilation device of power distribution equipment Download PDFInfo
- Publication number
- CN104242107A CN104242107A CN201410270174.XA CN201410270174A CN104242107A CN 104242107 A CN104242107 A CN 104242107A CN 201410270174 A CN201410270174 A CN 201410270174A CN 104242107 A CN104242107 A CN 104242107A
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- protective plate
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- top board
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Abstract
The invention provides a ventilation device of power distribution equipment. The ventilation device comprises a cabinet top plate and an air outlet filter net arranged on the cabinet top plate. A first protective plate and a second protective plate are sequentially arranged on the periphery of the air outlet filter net, the first protective plate is located on the inner side of the second protective plate, and a first protective groove with the U-shaped cross section is defined by the first protective plate and the second protective plate jointly. A top cover plate supporting piece is further arranged on the cabinet top plate, a top cover plate is fixed above the cabinet top plate through the top cover plate supporting piece, a third protective plate and a fourth protective plate are arranged on the side, facing the cabinet top plate, of the top cover plate, the third protective plate is located on the inner side of the fourth protective plate, and a second protective groove with the U-shaped cross section is defined by the third protective plate and the fourth protective plate jointly. The first protective groove and the second protective groove are vertically overlapped in an oppositely-intersected mode. By means of the ventilation device of the double-U-groove structure, the radiating ventilation area is increased, water and dust are prevented from entering the power distribution equipment, and the high radiating grade and the high IP protective grade are guaranteed at the same time.
Description
Technical field
The invention belongs to the technical field of power distribution cabinet, relate to a kind of low-voltage complete switch equipment, specifically a kind of ventilation unit of controller switching equipment.
Background technology
Along with the high speed development of China's economic, and the quickening of urbanization process, China has more than 20 city carrying out at present or sets about carrying out urban rail transit construction, and track traffic becomes the main traffic instrument of citizen's work and life just day by day.Urban track traffic multidigit is in underground, tunneling is needed during construction, the shield structure being matched in tunnelling is generally all configured with more mobile controller switching equipment, there is 10KV high-tension switch cabinet, the low-voltage-powered controller switching equipment of power transformer and 0.4KV, these equipment are in underground high humility for a long time, drip, leak dabble and many dusts adverse circumstances in run, how to process the ventilation with the supporting controller switching equipment of shield structure, heat radiation and waterproof problem have seemed very important, process bad, equipment often can because of overheated, decreasing insulating and cause equipment fault, thus cause larger loss.
The protection of low-voltage complete switch equipment and the inherently conflict body that dispels the heat, by the way of current home and abroad, in order to the heat radiation of the inside electric elements of switch cubicle, generally must offer louvre at the top of switch cubicle or upper side, but the setting of louvre can make again the impurity such as water, dust enter into the inside of switch cubicle, impact even destroys the normal operation of switch cubicle.In layoutprocedure on the spot, be often that the requirement run according to site work environment and equipment finds a balance point, i.e. IP degree of protection between water proof and dust proof and heat radiation.IP degree of protection is higher, and the aperture of louvre can reduce, and the effect of cabinet heat radiation is just deteriorated, and equipment can only fall and hold process; Otherwise IP degree of protection is lower, aperture is general just comparatively large, and the Be very effective of cabinet heat radiation rises, but the probability also making the impurity such as dust, water enter cabinet inside improves.
Comprehensive, the heat radiation of existing controller switching equipment and dustproof and waterproof technology are not suitable for the operating environment in tunnel, need to propose a kind of novel ventilation unit, take into account heat radiation, compartment is dust-proof.
Summary of the invention
The object of this invention is to provide a kind of ventilation unit of controller switching equipment of double U-groove structure, in these adverse circumstances of tunnel, make controller switching equipment take into account high heat radiation and high IP grade, can ensure cabinet to separate ventilation and heat radiation, the intrusion of can prevent external dust again, dripping, leak and dabbling, ensure the security of operation of controller switching equipment, improve the operational efficiency of controller switching equipment.
The present invention is achieved through the following technical solutions: a kind of ventilation unit of controller switching equipment, comprise cabinet top board, described cabinet top board is provided with air-out screen pack, the surrounding of described air-out screen pack is disposed with the first protective plate and the second protective plate, described first protective plate is positioned at the inner side of described second protective plate, and described first protective plate and the second protective plate define the first protection groove that a cross sectional shape is " U " shape jointly; Described cabinet top board is also provided with lamina tecti strutting piece; The top of described cabinet top board is fixed with lamina tecti by described lamina tecti strutting piece, described lamina tecti is provided with the 3rd protective plate and the 4th protective plate towards the side of described cabinet top board, described 3rd protective plate is positioned at the inner side of described 4th protective plate, and described 3rd protective plate and the 4th protective plate define the second protection groove that a cross sectional shape is " U " shape jointly; Described first protection groove and the second protection groove overlap up and down in the mode of confront crosswise.
Preferably, the height of described first protective plate, the second protective plate, third party's backplate and the 4th protective plate is consistent, and the height of described cover plate support is 1.4 times of the height of described first protective plate.
Preferably, the bottom even of described second protective plate is provided with osculum.
Preferably, the surrounding of the top of described air-out screen pack, below and lamina tecti is provided with gas flowmeter.
Preferably, described air-out screen pack is fixed on described cabinet top board in a snap-in manner, and described air-out screen pack is metal mesh structure.
Preferably, the surrounding of described cabinet top board is provided with the metal suspension ring of high strength.
Preferably, the material of described cabinet top board and lamina tecti is steel plate.
Compared with prior art, its effect is positive in the present invention.
1, the present invention adopts the heat radiation structure design of double U-groove, and namely cabinet top board and lamina tecti overlap up and down in the mode of confront crosswise, and the surrounding of whole lamina tecti is heat dissipation channel, compared to traditional louvre structure, expands area of dissipation.
2, ventilation unit of the present invention there is good Anti-drip, function of leaking and dabble, these water are straight line paths due to what walk, therefore, outside being first blocked in by the second protective plate or the 4th protective plate, even if entered in the first protection groove, also can discharge from the second protective plate.
3, the double U-groove of ventilation unit of the present invention intersects, dust must be raised up through secondary and just can enter cabinet inside, the ponding simultaneously in the first protective trough also can adsorb certain dust, prevents dust from entering, and discharge with the discharge of ponding, therefore substantially increase the dust-proof grade of cabinet.
4, ventilation unit structure of the present invention is simply firm, well can bear the collision impact of foreign material in tunnel, earth and finger stone.
5, the present invention has good radiating effect in the transformer case that caloric value is larger, also can be applied in common controller switching equipment cabinet.
Accompanying drawing explanation
Fig. 1 is the structural representation of cabinet top board in the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of lamina tecti in the present invention.
Fig. 4 is the vertical view of Fig. 2.
Fig. 5 is the assembly structure partial schematic diagram of cabinet top board and lamina tecti in embodiment one.
Fig. 6 is the assembly structure partial schematic diagram of cabinet top board and lamina tecti in embodiment two.
Fig. 7 is the structural representation of osculum on the second protective plate in embodiment two.
Fig. 8 is the structural representation of air discharging and radiating process of the present invention.
Fig. 9 is the structural representation of waterproof of the present invention.
Wherein: 1 is cabinet top board; 2 is air-out screen pack; 3 is the first protection groove; 4 is the second protection groove; 5 is lamina tecti strutting piece; 6 is lamina tecti; 7 is metal suspension ring; 8 is osculum; 31 is the first protective plate; 32 is the second protective plate; 41 is the 3rd protective plate; 42 is the 4th protective plate.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here to implement with multiple, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention.Therefore the present invention is not by the restriction of following public embodiment.
Embodiment one
See Fig. 1 to Fig. 4, the top of transformer case is provided with ventilation unit, this ventilation unit includes cabinet top board 1, and cabinet top board 1 is connected with transformer case in a welding manner; Cabinet top board 1 is provided with air-out screen pack 2, the first protective plate 31 and the second protective plate 32 is disposed with in the surrounding of air-out screen pack 2, first protective plate 31 is positioned at the inner side of the second protective plate 32, and the first protective plate 31 and the second protective plate 32 define the first protection groove 3 that a cross sectional shape is " U " type jointly; Cabinet top board 1 is also provided with lamina tecti strutting piece 5; The top of cabinet top board 1 is fixed with lamina tecti 6 by lamina tecti strutting piece 5, and fixed form can be the fixing of nut and bolt, also can be the fixed structures such as welding, riveted joint; Lamina tecti 6 is provided with the 3rd protective plate 41 and the 4th protective plate 42 towards the side of cabinet top board, 3rd protective plate position 41 is in the inner side of the 4th protective plate 42, and the 3rd protective plate 41 and the 4th protective plate 42 define the second protection groove 4 that a cross sectional shape is " U " type jointly; See Fig. 8, the first protection groove 3 and the second protection groove 4 overlap up and down in the mode of confront crosswise.
See Fig. 5, in the present embodiment, the height of the first protective plate 31 is the highest, and the height of the second protective plate 32 is minimum, 3rd protective plate 41 is consistent with the height of the 4th protective plate 42 and be the average height of the first protective plate 31 and the second protective plate 32, and now the height of lamina tecti strutting piece 5 is 1.2 times of the first protective plate 31 height.
See Fig. 5 and Fig. 8, when being arranged at the blower fan air discharging and radiating bottom transformer case, leave certain gap between first protection groove 3 and the second protection groove 4, air-flow is with the outside heat extraction of the ventilating path of serpentine (representing with curve and arrow in Fig. 8); The design of dual-cavity makes the surrounding of cabinet top board 1 be heat dissipation channel, and area of dissipation is obviously greater than traditional louvre structure, improves the radiating effect of transformer case; Simultaneously because the first protective plate 31 is apparently higher than the second protective plate 32, therefore when water droplet, leak or spatter into the first protection groove 3 time, amass to a certain extent and just can discharge from the second slightly low protective plate 32 side, water is avoided to enter into the inside of cabinet, and the water accumulated in the first protection groove 3 can also play attract dust, avoid dust to enter the effect of cabinet inside, it also can be discharged along with the discharge of ponding.
In order to the airflow radiating preventing air-out screen pack 2 and the first protection groove 3 and the second blocking of protecting groove 4 from causing is not smooth, can above air-out screen pack 1, the surrounding of below and lamina tecti 5 all arranges gas flowmeter, for monitoring the situation of change of gas flow, be equipped with corresponding automatic regulating system simultaneously, according to the data detected, the operate power of real-time adjustment exhaust blower, ensures the gas flow of heat radiation; When the data generation great change detected, then illustrate and there occurs clogging, can notify that corresponding personnel go to and carry out checking disposal.
Air-out screen pack 2 can adopt the mode of buckle to be fixed on cabinet top board 1, for convenience detach, is easy to cleaning; Air-out screen pack 2 also can adopt other movable connection method to be fixed on cabinet top board 1, can also directly be welded on cabinet top board 1; Air-out screen pack 2 adopts metal mesh structure.
See Fig. 1, four angles of cabinet top board 1 are also provided with the metal suspension ring 7 of high strength, facilitate lifting and the installation of cabinet; Cabinet top board 1 and lamina tecti 6 also all adopt steel plate material, ensure the intensity of whole ventilation unit and cabinet.
Embodiment two
One as embodiment one is out of shape, see Fig. 6 and Fig. 7, the height of the first protective plate 31, second protective plate 32, third party's backplate 41 and the 4th protective plate 42 is now consistent, the height of lamina tecti strutting piece 5 is then 1.4 times of the first protective plate 31 height, and the bottom even of the second protective plate 32 is provided with osculum 8.
In this embodiment, see Fig. 6, distance between first protective plate 31 and lamina tecti 6 is 0.4 times of first protective plate 31, and the distance in embodiment one between first protective plate 31 and lamina tecti 6 is first protective plate 31 of 0.2 times, therefore the heat dissipation channel in the present embodiment is greater than the heat dissipation channel in embodiment 1, better heat-radiation effect.
In waterproof, see Fig. 9, only have when water drips in A point to B point range, just likely can cross and adopt represented by dashed line in the second protective plate 32, figure, but now can run into the 3rd protective plate 41 and then fall into the first protection groove 3; Owing to being provided with osculum 8 at the bottom even of the second protective plate 32, therefore ponding can discharge the first protection groove 3 smoothly, thus avoids water to enter into cabinet inside.
On dust-proof, the general exhaust mode adopted from inside to outside, namely radiating airflow is discharged by cabinet inside, and therefore dust is inherently more difficult to get access; And two protection behaviour juxtapositions that this ventilation unit adopts are arranged, dust must raise up through secondary just can enter cabinet inside, on the other hand, ponding in first protection groove 3 also can effective attract dust, avoid entering into cabinet inside, and dust also can be discharged along with the discharge of ponding, therefore comprehensive dust-proof effect is better compared with embodiment one.
Ventilation unit provided by the invention not only can be applicable in transformer case, can also be applied in other common controller switching equipment cabinets, taking into account the height heat radiation of cabinet and high IP degree of protection, when being applied in switch cubicle, only needing to increase exhaust blower outward at the air-out screen pack on cabinet top.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solution of the present invention; therefore; every content not departing from technical solution of the present invention; the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection range of technical solution of the present invention.
Claims (7)
1. the ventilation unit of a controller switching equipment, comprise cabinet top board, described cabinet top board is provided with air-out screen pack, it is characterized in that: the surrounding of described air-out screen pack is disposed with the first protective plate and the second protective plate, described first protective plate is positioned at the inner side of described second protective plate, and described first protective plate and the second protective plate define the first protection groove that a cross sectional shape is " U " shape jointly; Described cabinet top board is also provided with lamina tecti strutting piece; The top of described cabinet top board is fixed with lamina tecti by described lamina tecti strutting piece, described lamina tecti is provided with the 3rd protective plate and the 4th protective plate towards the side of described cabinet top board, described 3rd protective plate is positioned at the inner side of described 4th protective plate, and described 3rd protective plate and the 4th protective plate define the second protection groove that a cross sectional shape is " U " shape jointly; Described first protection groove and the second protection groove overlap up and down in the mode of confront crosswise.
2. the ventilation unit of controller switching equipment as claimed in claim 1, it is characterized in that: the height of described first protective plate, the second protective plate, third party's backplate and the 4th protective plate is consistent, the height of described cover plate support is 1.4 times of the height of described first protective plate.
3. the ventilation unit of controller switching equipment as claimed in claim 2, is characterized in that: the bottom even of described second protective plate is provided with osculum.
4. the ventilation unit of controller switching equipment as claimed in claim 1, is characterized in that: the surrounding of the top of described air-out screen pack, below and lamina tecti is provided with gas flowmeter.
5. the ventilation unit of controller switching equipment as claimed in claim 1, is characterized in that: described air-out screen pack is fixed on described cabinet top board in a snap-in manner, and described air-out screen pack is metal mesh structure.
6. the ventilation unit of controller switching equipment as claimed in claim 1, is characterized in that: the surrounding of described cabinet top board is provided with the metal suspension ring of high strength.
7. as claim 1 to 6 arbitrarily as described in the ventilation unit of controller switching equipment, it is characterized in that: the material of described cabinet top board and lamina tecti is steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270174.XA CN104242107A (en) | 2014-06-17 | 2014-06-17 | Ventilation device of power distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270174.XA CN104242107A (en) | 2014-06-17 | 2014-06-17 | Ventilation device of power distribution equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104242107A true CN104242107A (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410270174.XA Pending CN104242107A (en) | 2014-06-17 | 2014-06-17 | Ventilation device of power distribution equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104242107A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293971A (en) * | 2017-07-07 | 2017-10-24 | 国家电网公司 | Become platform low-tension distribution box hot switching path on 10kV integration posts |
| CN108430186A (en) * | 2018-05-16 | 2018-08-21 | 许得宽 | A kind of video monitoring cabinet box |
| CN111817155A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | Low-voltage switch cabinet |
| CN112510525A (en) * | 2020-12-05 | 2021-03-16 | 许磊 | Novel power box |
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| CN201570786U (en) * | 2009-07-28 | 2010-09-01 | 中山市锐盈电子有限公司 | Rainproof power supply box |
| CN201829566U (en) * | 2010-06-22 | 2011-05-11 | 王天顺 | Control system of metal fuel cell |
| CN201898672U (en) * | 2010-11-16 | 2011-07-13 | 国电南京自动化股份有限公司 | Multiple waterproof outdoor cabinet |
| CN202353035U (en) * | 2011-12-13 | 2012-07-25 | 广东正超电气有限公司 | Top cover structure of low-voltage switch cabinet |
| CN204088950U (en) * | 2014-06-17 | 2015-01-07 | 上海航星通用电器有限公司 | A kind of ventilation unit of controller switching equipment |
-
2014
- 2014-06-17 CN CN201410270174.XA patent/CN104242107A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570786U (en) * | 2009-07-28 | 2010-09-01 | 中山市锐盈电子有限公司 | Rainproof power supply box |
| CN201829566U (en) * | 2010-06-22 | 2011-05-11 | 王天顺 | Control system of metal fuel cell |
| CN201898672U (en) * | 2010-11-16 | 2011-07-13 | 国电南京自动化股份有限公司 | Multiple waterproof outdoor cabinet |
| CN202353035U (en) * | 2011-12-13 | 2012-07-25 | 广东正超电气有限公司 | Top cover structure of low-voltage switch cabinet |
| CN204088950U (en) * | 2014-06-17 | 2015-01-07 | 上海航星通用电器有限公司 | A kind of ventilation unit of controller switching equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293971A (en) * | 2017-07-07 | 2017-10-24 | 国家电网公司 | Become platform low-tension distribution box hot switching path on 10kV integration posts |
| CN108430186A (en) * | 2018-05-16 | 2018-08-21 | 许得宽 | A kind of video monitoring cabinet box |
| CN111817155A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | Low-voltage switch cabinet |
| CN112510525A (en) * | 2020-12-05 | 2021-03-16 | 许磊 | Novel power box |
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| PB01 | Publication | ||
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Application publication date: 20141224 |