CN102573401B - Air exhaust device and electrical appliance box - Google Patents
Air exhaust device and electrical appliance box Download PDFInfo
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- CN102573401B CN102573401B CN201010613207.8A CN201010613207A CN102573401B CN 102573401 B CN102573401 B CN 102573401B CN 201010613207 A CN201010613207 A CN 201010613207A CN 102573401 B CN102573401 B CN 102573401B
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- appliance box
- electric appliance
- exhaust component
- air
- shielding cover
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Abstract
The invention discloses an air exhaust device and an electrical appliance box. The air exhaust device comprises a shielding cover and an air exhaust component. The air exhaust component is provided with a first connecting portion capable of being communicated with an air vent of the electrical appliance box and a second connecting portion connected with the shielding cover. The air exhaust component is connected with the shielding cover to form a cavity communicated with the inside of the electrical appliance box and the outside and form a bending air flow channel. One end of the air flow channel is communicated with outside atmosphere, and the other end of the air flow channel is communicated with the electrical appliance box. The air vent is arranged on a box wall of the electrical appliance box, and the air exhaust device is connected with the air vent. The air exhaust device and the electrical appliance box guarantee air circulation inside and outside the box body and radiating of the electrical appliance box, and simultaneously outside dust, rain, fog and the like are not easy to enter the electrical appliance box to corrode electrical appliances.
Description
Technical field
The present invention relates to aeration technology, particularly relate to a kind of exhaust apparatus and electric appliance box.
Background technology
The electric equipment of rail traffic vehicles is generally arranged on bottom or the top of train, therefore electric equipment surrounding environment is relatively severe, as dust, rainwater, fog etc. easily cause erosion damage to electric equipment, thus affect normal operation and the useful life of electric equipment.
For ensureing the impact of electric equipment from surrounding environment such as dust, rainwater, fogs, in prior art, be by these installation of electrical equipments in electric appliance box, and shutter is provided with on electric appliance box, by the shutter on electric appliance box, casing inner air and outer air can be made to circulate, air pressure balance, also can ensure the heat radiation of electric equipment.
But the above-mentioned electric appliance box with shutter can while the air circulation of guard box inside and outside and electric equipment heat radiation, dust, rainwater, fog etc. still can directly enter erosion equipment in electric appliance box by shutter, so the problem that the failure rate that still there is electric equipment is high, reliability is low.
Summary of the invention
The invention provides a kind of exhaust apparatus and electric appliance box, while the air circulation of guard box inside and outside and electric equipment heat radiation, the problem that dust, rainwater, fog etc. easily enter erosion equipment in electric appliance box can also be solved.
The invention provides a kind of exhaust apparatus, comprise: shielding cover and exhaust component, described exhaust component is provided with first connecting portion that can be communicated with the ventilating opening of electric appliance box and the second connecting portion be connected with described shielding cover, described exhaust component has the cavity simultaneously with electric appliance box inside and extraneous conducting after being connected with described shielding cover, and form the gas channel of bending, one end of described gas channel is communicated with ambient atmosphere, and the other end is communicated with described electric appliance box.
The present invention also provides a kind of electric appliance box, and the tank wall of described electric appliance box is provided with ventilating opening, and described ventilating opening is connected with above-mentioned exhaust apparatus.
As shown from the above technical solution, by shielding cover, the present invention stops that the rainwater, dust etc. of electric appliance box outside directly enter in electric appliance box; By the gas channel that shielding cover and exhaust component are joined together to form, the gas inside and outside electrical appliance box body can be made mutually to flow, keep the air pressure balance inside and outside casing, maintain the normal service life of equipment; Bending airflow channel structure make gas wherein flow forward time air flow direction can change, make extraneous rainwater, dust not easily enters in casing, reduce rainwater, dust etc. to the erosion of the electric equipment in electric appliance box, thus reduce the failure rate of electric equipment, improve reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of exhaust apparatus embodiment one of the present invention.
Fig. 2 is the structural representation of exhaust apparatus embodiment two of the present invention.
Fig. 3 is the end view of middle exhaust component embodiment illustrated in fig. 2.
Fig. 4 is the front view of middle exhaust component embodiment illustrated in fig. 2.
Fig. 5 is the structural representation of exhaust apparatus embodiment three of the present invention.
Fig. 6 is the sectional structure schematic diagram in AA ' face in Fig. 5.
Fig. 7 be embodiment illustrated in fig. 5 in the structural representation of hold-down nut.
Fig. 8 is the structural representation of electric appliance box embodiment of the present invention.
Main Reference Numerals illustrates:
1-shielding cover; 2-exhaust component;
3-air flow direction; 4-grid ventilating part;
5-hold-down nut; 10-tank wall;
11-second groove; 21-first connecting portion;
22-second connecting portion; 23-raised edges;
24-exhaust end; 25-first groove;
26-outer; 27-flange;
28-air-flow cavity; 29-air duct;
100-exhaust apparatus.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the structural representation of exhaust apparatus embodiment one of the present invention, as shown in Figure 1, the device of the present embodiment comprises: shielding cover 1 and exhaust component 2, described exhaust component 2 is provided with first connecting portion 21 that can be communicated with the ventilating opening of electric appliance box and the second connecting portion 22 be connected with described shielding cover 1, described exhaust component 2 has the cavity simultaneously with electric appliance box inside and extraneous conducting after being connected with described shielding cover 1, and form the gas channel of bending, one end of described gas channel is communicated with ambient atmosphere, and the other end is communicated with described electric appliance box.In reality, the first connecting portion 21 can be open column shape structure, and surface can be provided with screw thread, also can directly be connected with electric appliance box ventilating opening by other means.
In the present embodiment, shielding cover 1, for blocking the rainwater, dust etc. of electric appliance box outside, reduces the erosion to the electric equipment in electric appliance box such as rainwater, dust outside electric appliance box.Exhaust component 2 and shielding cover 1 are connected to form gas channel, and the exhaust apparatus that shielding cover 1 and exhaust component 2 form, also for being connected with electric appliance box, is fixed on the ventilating opening of electric appliance box by exhaust component 2 on the one hand, are communicated with inside and outside electric appliance box on the other hand.Shielding cover 1 and exhaust component 2 are joined together to form the gas channel of the bending for changing air-flow flow forward direction, in this gas channel, air flow direction 3 changes, one side makes extraneous rainwater, dust not easily enters in casing, gas on the other hand inside and outside casing can flow mutually, keep the air pressure balance inside and outside casing, the hot gas that also electric equipment in casing can be produced is discharged, and ensures that the heat radiation of electric equipment needs.
The blow vent that the gas channel that shielding cover 1 shown in the present embodiment Fig. 1 and exhaust component 2 are joined together to form is communicated with the outer air of electric appliance box is located on exhaust component 2, in reality, blow vent also can be located at (not shown) on shielding cover 1, when blow vent is located on shielding cover, the side of shielding cover towards electric appliance box can be located at, lid mouth as shielding cover be provided with shielding cover bottom be connected as a single entity towards the flange of exhaust component, blow vent is located on flange.No matter be located on shielding cover or on exhaust component, as long as make air-flow enter in the process of electric appliance box by gas channel from exhaust component, during gas flow forward, the madial wall of the madial wall and exhaust component that run into shielding cover makes airflow direction change, namely extraneous rainwater, dust can not directly be easy to enter electric appliance box, can reach and reduce rainwater, dust etc. to the object of the erosion of the electric equipment in electric appliance box, can also body inside and outside air pressure balance be kept simultaneously.
By shielding cover, the present embodiment stops that the rainwater, dust etc. of electric appliance box outside directly enter in electric appliance box; By the gas channel that shielding cover and exhaust component are joined together to form, the gas inside and outside electrical appliance box body can be made mutually to flow, keep the air pressure balance inside and outside casing, maintain the normal service life of equipment; Bending airflow channel structure make gas wherein flow forward time air flow direction can change, make extraneous rainwater, dust not easily enters in casing, reduce rainwater, dust etc. to the erosion of the electric equipment in electric appliance box, thus reduce the failure rate of electric equipment, improve reliability.
Fig. 2 is the structural representation of exhaust apparatus embodiment two of the present invention, Fig. 3 is the end view of middle exhaust component embodiment illustrated in fig. 2, Fig. 4 is the front view of middle exhaust component embodiment illustrated in fig. 2, as shown in Figures 2 to 4, the present embodiment is on the basis of above-described embodiment one, further, first connecting portion 21 is located at outer surface one end of described exhaust component 2, described second connecting portion 22 is the raised edges 23 that the outer surface other end of described exhaust component 2 is arranged, described shielding cover 1 be located in described raised edges 23 and forms air-flow cavity 28, and inside the edge of described shielding cover 1 with the clamping of described raised edges 23, the center of described exhaust component 2 is provided with the air duct 29 be communicated with described electric appliance box inside for described air-flow cavity 28, described raised edges 23 is provided with the first groove 25 or the first through hole be communicated with ambient atmosphere for described air-flow cavity 28, described first groove 25 or the first through hole, described air-flow cavity 28 forms with described air duct 29 gas channel being communicated with ambient atmosphere and electric appliance box inside.
In the present embodiment, shielding cover 1 is a seal cover that be located on exhaust component 2, can be provided with the second groove 11 inside its edge.Exhaust apparatus is located on exhaust component 2 with extraneous blow vent, is located at the first groove 25 in raised edges 23 specifically, and the raised edges 23 of exhaust component 2 is connected in the second groove 11 set inside shielding cover 1 edge.The number of the first groove 25 is two or more, and is evenly distributed in the raised edges 23 of described exhaust component.When after exhaust component 2 with shielding cover 1 clamping, the first groove 25 becomes the ventilating opening that air-flow cavity 28 is communicated with ambient atmosphere.By the first groove 25 arranged, the air outside casing can be made to be communicated with air-flow cavity 28 on the one hand, the rainwater entering air-flow cavity 28 on the other hand also can flow out from the first groove 25 of exhaust apparatus lower end.
Can be provided with grid ventilating part 4 in the gas channel of the present embodiment, grid ventilating part 4 filters the koniology entering air-flow cavity 28 outside casing further, reduces circulated gases further to the erosion of electric equipment in electric appliance box.Grid ventilating part 4 is located at the port of described air duct 29 near described air-flow cavity 28, namely between air duct 29 and air-flow cavity 28, described exhaust component 2 also can be provided with the junction of described grid ventilating part 4 exhaust end 24 of the flue extended to described air-flow cavity 28, and the edge of described exhaust end 24 is provided with outer 26.Be provided with on flaring exhaust end 24 and exhaust end 24 and outer 26 is set, the thermal current be convenient on the one hand in electric appliance box is discharged, stop extraneous rainwater, dust etc. further on the other hand, can be discharged from the first above-mentioned groove 25 by the rainwater that exhaust end and outer thereof stop.Exhaust component 2 and grid ventilating part 4 can adopt engineering plastics one-body molded, are obtained by mould one-shot forming.Shielding cover 1 also can adopt engineering plastics, and exhaust component is connected in the second groove of shielding cover by the elasticity that in exhaust apparatus, each parts adopt engineering plastics to facilitate the use plastics, and sealing is better, can also stand the erosion of adverse circumstances.The outer surface of exhaust component 2 can be provided with the flange 27 making to there is gap between described raised edges 23 and described electric appliance box, flange 27 is positioned at the side of raised edges 23, the section structure of flange 27 can be rectangle or wedge shape, wedge structure is conducive to being tightly connected between exhaust apparatus and electric appliance box, arranging flange 27 can make the ventilating opening that in raised edges 23, first groove 25 is formed do not sealed by electric appliance box, also can make to be convenient to location during installation exhaust apparatus.In the present embodiment, the profile of illustrated exhaust component and shielding cover is circular, also can adopt square in reality, or the two shape only in junction is consistent, reaches and is sealed and matched.
The present embodiment, on the basis of technique effect reaching above-described embodiment one, further, is filtered the air entering air-flow cavity outside casing by grid ventilating part, the erosion to electric equipment in electric appliance box such as reduction dust further; By flaring exhaust end and exhaust end arrange outer, the thermal current be convenient on the one hand in electric appliance box is discharged, and stops extraneous rainwater, dust etc. further on the other hand; Be convenient to locate when exhaust apparatus is installed by the flange arranged.
Fig. 5 is the structural representation of exhaust apparatus embodiment three of the present invention, Fig. 6 is the sectional structure chart in AA ' face in Fig. 5, Fig. 7 be embodiment illustrated in fig. 5 in the structural representation of hold-down nut, as shown in Figures 5 to 7, the present embodiment is on the basis of above-described embodiment one or embodiment two, further, exhaust apparatus also comprises hold-down nut 5, hold-down nut 5 is for being fixed in the ventilating opening of described electric appliance box by exhaust component 2, the surface of the first connecting portion 21 of exhaust component 2 is provided with screw thread, hold-down nut 5 is socketed on the first connecting portion 21, first connecting portion 21 of the internal diameter of hold-down nut 5 and screw thread and exhaust component 2 consistent, closely cooperate, exhaust component 2 firmly can be fixed on electric appliance box.Hold-down nut 5 in the present embodiment can be polygonal nut as shown in Figure 7, and the material that hold-down nut uses also can be engineering plastics, is convenient to install and closely cooperate.
The present embodiment, on the technique effect basis that above-described embodiment one or embodiment two reach, further, by setting up hold-down nut, can make exhaust apparatus be fixedly mounted on electric appliance box.
The exhaust apparatus of above-mentioned any embodiment can be used on the electric appliance box of electric equipment in motor train unit or railcar, is particularly useful for electric equipment and needs sealing, also need the occasion of body inside and outside air pressure balance simultaneously.
Fig. 8 is the structural representation of electric appliance box embodiment of the present invention, and as shown in Figure 8, the tank wall 10 of the electric appliance box of the present embodiment is provided with ventilating opening, and this ventilating opening is connected with the exhaust apparatus 100 of above-mentioned any embodiment.By connecting the air pressure balance that exhaust apparatus 100 can make inside and outside electrical appliance box body on the ventilating opening of the tank wall 10 of electric appliance box, also can make extraneous rainwater, dust not easily enters in casing and corrode electric equipment.
The present embodiment can reach the technique effect of any embodiment in above-described embodiment one to embodiment three, and its know-why is similar, does not repeat them here.
It is last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention but not to be limited, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to technical scheme of the present invention or equivalent replacement, and these are revised or be equal to the spirit and scope that replacement also can not make amended technical scheme disengaging technical solution of the present invention.
Claims (9)
1. an exhaust apparatus, it is characterized in that, comprise: shielding cover and exhaust component, described exhaust component is provided with first connecting portion that can be communicated with the ventilating opening of electric appliance box and the second connecting portion be connected with described shielding cover, described exhaust component has the cavity simultaneously with electric appliance box inside and extraneous conducting after being connected with described shielding cover, and form the gas channel of bending, one end of described gas channel is communicated with ambient atmosphere, and the other end is communicated with described electric appliance box; Wherein, described first connecting portion is located at described exhaust component one end, described second connecting portion is the raised edges that the other end outer surface of described exhaust component is arranged, described shielding cover be located in described raised edges and forms air-flow cavity, and inside the edge of described shielding cover with described raised edges clamping, the center of described exhaust component is provided with the air duct be communicated with described electric appliance box inside for described air-flow cavity, and described raised edges is provided with the first groove or the first through hole that are communicated with ambient atmosphere for described air-flow cavity.
2. device according to claim 1, is characterized in that, is provided with grid ventilating part in described gas channel.
3. device according to claim 2, it is characterized in that, described grid ventilating part is located at the port of described air duct near described air-flow cavity, described exhaust component is provided with the exhaust end of the flare extended to described air-flow cavity with the junction of described grid ventilating part, and the edge of described exhaust end is provided with outer.
4. device according to claim 3, is characterized in that, described exhaust component and described grid ventilating part one-body molded.
5. device according to claim 1, is characterized in that, the number of described first groove or the first through hole is two or more, and is evenly distributed in the raised edges of described exhaust component.
6. device according to claim 1, is characterized in that, is provided with the second groove inside the edge of described shielding cover, and described raised edges is connected in described second groove.
7. device according to claim 1, is characterized in that, the outer surface of described exhaust component is provided with the flange making to there is gap between described raised edges and described electric appliance box.
8. the device according to any one of claim 1 ~ 7, it is characterized in that, also comprise the hold-down nut of the ventilating opening for described exhaust component being fixed in described electric appliance box, the surface of the first connecting portion of described exhaust component is provided with screw thread, and described hold-down nut is socketed on described first connecting portion.
9. an electric appliance box, is characterized in that, the tank wall of described electric appliance box is provided with ventilating opening, and described ventilating opening is connected with the exhaust apparatus according to any one of claim 1 ~ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010613207.8A CN102573401B (en) | 2010-12-21 | 2010-12-21 | Air exhaust device and electrical appliance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010613207.8A CN102573401B (en) | 2010-12-21 | 2010-12-21 | Air exhaust device and electrical appliance box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102573401A CN102573401A (en) | 2012-07-11 |
| CN102573401B true CN102573401B (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010613207.8A Active CN102573401B (en) | 2010-12-21 | 2010-12-21 | Air exhaust device and electrical appliance box |
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| Country | Link |
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| CN (1) | CN102573401B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262028A (en) * | 2014-07-14 | 2016-01-20 | 向荣集团有限公司 | Easy-to-cool bus duct |
| CN110519945B (en) * | 2018-05-22 | 2020-08-11 | 许继集团有限公司 | Electrical cabinet and dehumidifying device thereof |
| CN111659192B (en) * | 2019-03-07 | 2022-04-01 | 萨柏科技有限公司 | Picture frame type air purifier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151212A (en) * | 1998-03-13 | 2000-11-21 | Schroff Gmbh | Ventilated electronics cabinet |
| CN201312477Y (en) * | 2008-12-12 | 2009-09-16 | 宁夏电力公司中卫供电局 | Electric appliance cabinet ventilation device |
| CN201610134U (en) * | 2010-03-17 | 2010-10-20 | 南车株洲电力机车有限公司 | Rain shield and drainage device of locomotive air duct |
| CN201928570U (en) * | 2010-12-21 | 2011-08-10 | 永济新时速电机电器有限责任公司 | Exhaust device and electrical apparatus box |
-
2010
- 2010-12-21 CN CN201010613207.8A patent/CN102573401B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151212A (en) * | 1998-03-13 | 2000-11-21 | Schroff Gmbh | Ventilated electronics cabinet |
| CN201312477Y (en) * | 2008-12-12 | 2009-09-16 | 宁夏电力公司中卫供电局 | Electric appliance cabinet ventilation device |
| CN201610134U (en) * | 2010-03-17 | 2010-10-20 | 南车株洲电力机车有限公司 | Rain shield and drainage device of locomotive air duct |
| CN201928570U (en) * | 2010-12-21 | 2011-08-10 | 永济新时速电机电器有限责任公司 | Exhaust device and electrical apparatus box |
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| Publication number | Publication date |
|---|---|
| CN102573401A (en) | 2012-07-11 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Address after: 044502 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044502 No. 18 motor street, Shanxi, Yongji Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
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| CP03 | Change of name, title or address |