CN201928570U - Exhaust device and electrical apparatus box - Google Patents
Exhaust device and electrical apparatus box Download PDFInfo
- Publication number
- CN201928570U CN201928570U CN2010206799528U CN201020679952U CN201928570U CN 201928570 U CN201928570 U CN 201928570U CN 2010206799528 U CN2010206799528 U CN 2010206799528U CN 201020679952 U CN201020679952 U CN 201020679952U CN 201928570 U CN201928570 U CN 201928570U
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- electric appliance
- appliance box
- exhaust component
- shielding cover
- exhaust
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Abstract
The utility model discloses an exhaust device and an electrical apparatus box. The exhaust device comprises a shielding cover and an exhaust part, wherein the exhaust part is provided with a first connecting part which can be communicated with a ventilation opening of the electrical apparatus box and a second connecting part which is connected with the shielding cover, the exhaust part is provided with a cavity which is simultaneously communicated with the interior of the electrical apparatus box and the external after connecting with the shielding cover, and a bended airflow channel is also formed, one end of the airflow channel is communicated with the exterior atmosphere, and the other end of the airflow channel is communicated with the electrical apparatus box. In the electrical apparatus box, the ventilation opening is arranged on the box wall of the electrical apparatus box and is connected with the exhaust device. With the adoption of the utility model, dusts, rainwater, fog water and the like of the external are difficult to enter the electrical apparatus box to corrode electrical equipment when ventilation at the interior and the exterior of the box body and heat dissipation of the electrical equipment are ensured.
Description
Technical field
The utility model relates to aeration technology, relates in particular to a kind of exhaust apparatus and electric appliance box.
Background technology
The electric equipment of rail traffic vehicles generally is installed in the bottom or the top of train, therefore the electric equipment surrounding environment is relatively abominable, easily electric equipment is caused the erosion infringement as dust, rainwater, fog etc., thereby influence the normal operation and the useful life of electric equipment.
Avoid the influence of environment on every side such as dust, rainwater, fog for guaranteeing electric equipment, in the prior art, be that these electric equipments are installed in the electric appliance box, and on electric appliance box, be provided with shutter, by the shutter on the electric appliance box, can make the circulation of casing inner air and outer air, air pressure balance also can guarantee the heat radiation of electric equipment.
But above-mentioned electric appliance box with shutter can the circulation of air of guard box inside and outside and the electric equipment heat radiation time, dust, rainwater, fog etc. still can directly enter erosion equipment in the electric appliance box by shutter, so still there is the low problem of failure rate height, reliability of electric equipment.
The utility model content
The utility model provides a kind of exhaust apparatus and electric appliance box, in circulation of air of guard box inside and outside and electric equipment heat radiation, can also solve the problem that dust, rainwater, fog etc. easily enter erosion equipment in the electric appliance box.
The utility model 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 second connecting portion that is connected with described shielding cover, described exhaust component and the cavity that has inner with electric appliance box simultaneously and extraneous conducting after described shielding cover is connected, 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.
Described first connecting portion is located at described exhaust component one end, the raised edges that the other end outer surface that described second connecting portion is described exhaust component is provided with, described shielding cover be located in and forms the air-flow cavity on the described raised edges, and the edge of described shielding cover is inboard and described raised edges clamping, the center of described exhaust component is provided with the air duct that is used for described air-flow cavity and described electric appliance box internal communication, and described raised edges is provided with and is used for first groove or first through hole that described air-flow cavity is communicated with ambient atmosphere.
Be provided with the grid ventilating part in the described gas channel.
Described grid ventilating part is located at the port of described air duct near described air-flow cavity, be provided with the exhaust end of the flare of extending to described air-flow cavity on described exhaust component with the junction of described grid ventilating part, the edge of described exhaust end is provided with the outer.
Described exhaust component and described grid ventilating part are one-body molded.
The number of described first groove or first through hole is more than two, and is evenly distributed on the raised edges of described exhaust component.
The inboard, edge of described shielding cover is provided with second groove, and described raised edges is connected in described second groove.
The outer surface of described exhaust component is provided with and makes the flange that has the gap between described raised edges and the described electric appliance box.
Described exhaust apparatus also comprises the hold-down nut that is used for described exhaust component is fixed in the ventilating opening of described electric appliance box, and the surface of first connecting portion of described exhaust component is provided with screw thread, and described hold-down nut is socketed on described first connecting portion.
The utility model 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, the utility model rainwater, dust of stopping the electric appliance box outside by shielding cover etc. directly enters in the electric appliance box; By the gas channel that shielding cover and exhaust component are joined together to form, the gas of electric appliance box inside and outside can be flowed mutually, keep the inside and outside air pressure balance of casing, the normal useful life of keeping equipment; Air flow direction can change when the airflow channel structure of bending flowed gas therein forward, make extraneous rainwater, dust be difficult for entering in the casing, reduce the erosion to the electric equipment in the electric appliance box such as rainwater, dust, thereby reduce the failure rate of electric equipment, improve reliability.
Description of drawings
Fig. 1 is the structural representation of the utility model exhaust apparatus embodiment one.
Fig. 2 is the structural representation of the utility model exhaust apparatus embodiment two.
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 the utility model exhaust apparatus embodiment three.
Fig. 6 is the sectional structure schematic diagram of AA ' face among Fig. 5.
Fig. 7 is the structural representation of the hold-down nut in embodiment illustrated in fig. 5.
Fig. 8 is the structural representation of the utility model electric appliance box embodiment.
Main description of reference numerals:
The 1-shielding cover; The 2-exhaust component;
The 3-air flow direction; 4-grid ventilating part;
The 5-hold-down nut; The 10-tank wall;
11-second groove; 21-first connecting portion;
22-second connecting portion; The 23-raised edges;
The 24-exhaust end; 25-first groove;
The 26-outer; The 27-flange;
28-air-flow cavity; The 29-air duct;
The 100-exhaust apparatus.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the utility model exhaust apparatus embodiment one, as shown in Figure 1, the device of 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 second connecting portion 22 that is connected with described shielding cover 1, described exhaust component 2 and the cavity that has inner with electric appliance box simultaneously and extraneous conducting after described shielding cover 1 is connected, 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.First connecting portion 21 can be the open column shape structure in the reality, and the surface can be provided with screw thread, also can directly be connected with the electric appliance box ventilating opening by other modes.
In the present embodiment, shielding cover 1 is used to block the rainwater, dust of electric appliance box outside etc., reduces the erosion to the electric equipment in the electric appliance box of the rainwater, dust etc. in the electric appliance box outside.Exhaust component 2 is connected to form gas channel with shielding cover 1, and exhaust component 2 also is used for being connected with electric appliance box, and the exhaust apparatus that shielding cover 1 and exhaust component 2 are formed is fixed on the ventilating opening of electric appliance box on the one hand, is communicated with inside and outside the electric appliance box on the other hand.Shielding cover 1 is joined together to form with exhaust component 2 and is used to change the air-flow gas channel of the bending of flow direction forward, air flow direction 3 changes in this gas channel, make extraneous rainwater, dust be difficult for entering in the casing on the one hand, the inside and outside gas of casing can flow mutually on the other hand, keep the inside and outside air pressure balance of casing, also the hot gas that electric equipment in the casing can be produced is discharged, and guarantees that the heat radiation of electric equipment needs.
Present embodiment shielding cover 1 shown in Figure 1 is provided in a side of on the exhaust component 2 with the blow vent that the outer atmosphere of electric appliance box is communicated with the gas channel that exhaust component 2 is joined together to form, blow vent also can be located at (not shown) on the shielding cover 1 in the reality, when blow vent is located on the shielding cover, can be located at the side of shielding cover towards electric appliance box, be provided with the shielding cover bottom as the lid mouth of shielding cover and be connected as a single entity towards the flange of exhaust component, blow vent is located on the flange.No matter be provided in a side of on the shielding cover or on the exhaust component, as long as air-flow is entered the process of electric appliance box by gas channel outside exhaust component, when gas flows forward, running into the madial wall of shielding cover and the madial wall of exhaust component changes airflow direction, promptly Wai Jie rainwater, dust can directly not be easy to enter electric appliance box, can reach and reduce the purpose to the erosion of the electric equipment in the electric appliance box such as rainwater, dust, can also keep body inside and outside air pressure balance simultaneously.
Rainwater, dust that present embodiment stops the electric appliance box outside by shielding cover etc. directly enters in the electric appliance box; By the gas channel that shielding cover and exhaust component are joined together to form, the gas of electric appliance box inside and outside can be flowed mutually, keep the inside and outside air pressure balance of casing, the normal useful life of keeping equipment; Air flow direction can change when the airflow channel structure of bending flowed gas therein forward, make extraneous rainwater, dust be difficult for entering in the casing, reduce the erosion to the electric equipment in the electric appliance box such as rainwater, dust, thereby reduce the failure rate of electric equipment, improve reliability.
Fig. 2 is the structural representation of the utility model exhaust apparatus embodiment two, 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, extremely shown in Figure 4 as Fig. 2, present embodiment is on the basis of the foregoing description one, further, first connecting portion 21 is located at outer surface one end of described exhaust component 2, the raised edges 23 that the outer surface other end that described second connecting portion 22 is described exhaust component 2 is provided with, described shielding cover 1 be located in and forms air-flow cavity 28 on the described raised edges 23, and the edge of described shielding cover 1 is inboard and described raised edges 23 clampings, the center of described exhaust component 2 is provided with the air duct 29 that is used for described air-flow cavity 28 and described electric appliance box internal communication, described raised edges 23 is provided with and is used for first groove 25 or first through hole that described air-flow cavity 28 is communicated with ambient atmosphere, described first groove 25 or first through hole, described air-flow cavity 28 and described air duct 29 form the gas channel that is communicated with ambient atmosphere and electric appliance box inside.
In the present embodiment, shielding cover 1 is one to be located in the seal cover on the exhaust component 2, and its inboard, edge can be provided with second groove 11.Exhaust apparatus is located on the exhaust component 2 with the blow vent in the external world, is provided in a side of first groove 25 on the raised edges 23 specifically, and the raised edges 23 of exhaust component 2 is connected in the inboard second set groove 11 in shielding cover 1 edge.The number of first groove 25 is more than two, and is evenly distributed on the raised edges 23 of described exhaust component.After exhaust component 2 and shielding cover 1 clamping, first groove 25 becomes the ventilating opening that air-flow cavity 28 is communicated with ambient atmosphere.By first groove 25 that is provided with, the atmosphere in the casing outside is communicated with air-flow cavity 28, the rainwater that enters air-flow cavity 28 on the other hand also can flow out from first groove 25 of exhaust apparatus lower end.
Can be provided with grid ventilating part 4 in the gas channel of present embodiment, grid ventilating part 4 further filters the koniology that casing enters air-flow cavity 28 outward, further reduces the erosion of circulated gases to electric equipment in the electric appliance box.Grid ventilating part 4 is located at the port of described air duct 29 near described air-flow cavity 28, be between air duct 29 and the air-flow cavity 28, also can be provided with the exhaust end 24 of the flue that extends to described air-flow cavity 28 on described exhaust component 2 with the junction of described grid ventilating part 4, the edge of described exhaust end 24 is provided with outer 26.Be provided with on flaring exhaust end 24 and the exhaust end 24 outer 26 is set, the thermal current of being convenient on the one hand in the electric appliance box is discharged, further stop extraneous rainwater, dust etc. on the other hand, being deflated the rainwater that end and outer thereof stop can discharge from the first above-mentioned groove 25.Exhaust component 2 and grid ventilating part 4 can adopt engineering plastics one-body molded, are obtained by the mould one-shot forming.Shielding cover 1 also can adopt engineering plastics, and the elasticity that each parts adopts engineering plastics to facilitate the use plastics in the exhaust apparatus is connected to exhaust component in second groove of shielding cover, and sealing is better, can also stand the erosion of adverse circumstances.Make the flange 27 that has the gap between described raised edges 23 and the described electric appliance box can being provided with on the outer surface of exhaust component 2, flange 27 is positioned at a side of raised edges 23, the section structure of flange 27 can be rectangle or wedge shape, wedge structure helps being tightly connected between exhaust apparatus and the electric appliance box, flange 27 is set the ventilating opening that first groove 25 forms on the raised edges 23 is not sealed by electric appliance box, also can make and be convenient to the location when exhaust apparatus is installed.The profile of illustrated exhaust component and shielding cover is circular in the present embodiment, also can adopt in the reality square, perhaps the two only in the shape unanimity of junction, reaching is sealed and matched gets final product.
Present embodiment further, filters the air that casing enters the air-flow cavity outward by the grid ventilating part on the basis of the technique effect that reaches the foregoing description one, further reduces the erosion to electric equipment in the electric appliance box such as dust; By on flaring exhaust end and the exhaust end outer being set, the thermal current of being convenient on the one hand in the electric appliance box is discharged, and further stops extraneous rainwater, dust etc. on the other hand; Locate when being convenient to exhaust apparatus is installed by the flange that is provided with.
Fig. 5 is the structural representation of the utility model exhaust apparatus embodiment three, Fig. 6 is the sectional structure chart of AA ' face among Fig. 5, Fig. 7 is the structural representation of the hold-down nut in embodiment illustrated in fig. 5, extremely shown in Figure 7 as Fig. 5, present embodiment is on the basis of the foregoing description one or embodiment two, further, exhaust apparatus also comprises hold-down nut 5, hold-down nut 5 is used for exhaust component 2 is fixed in the ventilating opening of described electric appliance box, the surface of first connecting portion 21 of exhaust component 2 is provided with screw thread, on hold-down nut 5 sockets 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, can be with exhaust component 2 firm being fixed on the electric appliance box.Hold-down nut 5 in the present embodiment can be polygonal nut as shown in Figure 7, and the employed material of hold-down nut also can be engineering plastics, is convenient to install and closely cooperate.
Present embodiment further, by setting up hold-down nut, can make exhaust apparatus be fixedly mounted on the electric appliance box on the technique effect basis that the foregoing description one or embodiment two reach.
The exhaust apparatus of above-mentioned arbitrary embodiment can use on the electric appliance box of electric equipment in motor train unit or railcar, is particularly useful for electric equipment and needs sealing, also needs the occasion of body inside and outside air pressure balance simultaneously.
Fig. 8 is the structural representation of the utility model electric appliance box embodiment, and as shown in Figure 8, the tank wall 10 of the electric appliance box of present embodiment is provided with ventilating opening, and this ventilating opening is connected with the exhaust apparatus 100 of above-mentioned arbitrary embodiment.By on the ventilating opening of the tank wall 10 of electric appliance box, connecting the air pressure balance that exhaust apparatus 100 can make the electric appliance box inside and outside, also can make extraneous rainwater, dust be difficult for entering and corrode electric equipment in the casing.
Present embodiment can reach the technique effect of arbitrary embodiment in the foregoing description one to embodiment three, and its know-why is similar, does not repeat them here.
It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. 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 second connecting portion that is connected with described shielding cover, described exhaust component and the cavity that has inner with electric appliance box simultaneously and extraneous conducting after described shielding cover is connected, and form the gas channel of bending, an end of described gas channel is communicated with ambient atmosphere, and the other end is communicated with described electric appliance box.
2. device according to claim 1, it is characterized in that, described first connecting portion is located at described exhaust component one end, the raised edges that the other end outer surface that described second connecting portion is described exhaust component is provided with, described shielding cover be located in and forms the air-flow cavity on the described raised edges, and the edge of described shielding cover is inboard and described raised edges clamping, the center of described exhaust component is provided with the air duct that is used for described air-flow cavity and described electric appliance box internal communication, and described raised edges is provided with and is used for first groove or first through hole that described air-flow cavity is communicated with ambient atmosphere.
3. device according to claim 2 is characterized in that, is provided with the grid ventilating part in the described gas channel.
4. device according to claim 3, it is characterized in that, described grid ventilating part is located at the port of described air duct near described air-flow cavity, be provided with the exhaust end of the flare of extending to described air-flow cavity on described exhaust component with the junction of described grid ventilating part, the edge of described exhaust end is provided with the outer.
5. device according to claim 4 is characterized in that, described exhaust component and described grid ventilating part are one-body molded.
6. device according to claim 2 is characterized in that, the number of described first groove or first through hole is more than two, and is evenly distributed on the raised edges of described exhaust component.
7. device according to claim 2 is characterized in that, the inboard, edge of described shielding cover is provided with second groove, and described raised edges is connected in described second groove.
8. device according to claim 2 is characterized in that, the outer surface of described exhaust component is provided with and makes the flange that has the gap between described raised edges and the described electric appliance box.
9. according to each described device in the claim 1～8, it is characterized in that, also comprise the hold-down nut that is used for described exhaust component is fixed in the ventilating opening of described electric appliance box, the surface of first connecting portion of described exhaust component is provided with screw thread, and described hold-down nut is socketed on described first connecting portion.
10. 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 each described exhaust apparatus in the claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206799528U CN201928570U (en) | 2010-12-21 | 2010-12-21 | Exhaust device and electrical apparatus box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206799528U CN201928570U (en) | 2010-12-21 | 2010-12-21 | Exhaust device and electrical apparatus box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201928570U true CN201928570U (en) | 2011-08-10 |
Family
ID=44432403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206799528U Expired - Lifetime CN201928570U (en) | 2010-12-21 | 2010-12-21 | Exhaust device and electrical apparatus box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201928570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573401A (en) * | 2010-12-21 | 2012-07-11 | 永济新时速电机电器有限责任公司 | Air exhaust device and electrical appliance box |
| CN103337804A (en) * | 2013-06-26 | 2013-10-02 | 苏州市吴中区欣鑫开关配件厂 | Top cover |
-
2010
- 2010-12-21 CN CN2010206799528U patent/CN201928570U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573401A (en) * | 2010-12-21 | 2012-07-11 | 永济新时速电机电器有限责任公司 | Air exhaust device and electrical appliance box |
| CN102573401B (en) * | 2010-12-21 | 2015-02-04 | 永济新时速电机电器有限责任公司 | Air exhaust device and electrical appliance box |
| CN103337804A (en) * | 2013-06-26 | 2013-10-02 | 苏州市吴中区欣鑫开关配件厂 | Top cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110810 Effective date of abandoning: 20150204 |
|
| RGAV | Abandon patent right to avoid regrant |