CN204271884U - A kind of explosion-proof shell and explosion-proof frequency converter - Google Patents
A kind of explosion-proof shell and explosion-proof frequency converter Download PDFInfo
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- CN204271884U CN204271884U CN201420736288.4U CN201420736288U CN204271884U CN 204271884 U CN204271884 U CN 204271884U CN 201420736288 U CN201420736288 U CN 201420736288U CN 204271884 U CN204271884 U CN 204271884U
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Abstract
This application discloses a kind of explosion-proof shell and explosion-proof frequency converter, explosion-proof shell comprises: separate, that adopt removably to connect explosion-proof shell main body, the first explosion-proof shell and the second explosion-proof shell.Therefore user can produce first, second explosion-proof shell of many group explosion-proof shell main bodys and all size in process of production in advance, when needing the explosion-proof frequency converter of a certain specification type and explosion-proof shell, can by produced, carry out assembling with first, second explosion-proof shell of this explosion-proof frequency converter type matching and described explosion-proof shell main body.Thus without the need to producing the integrated explosion proof system shell of this type, therefore improve throughput rate, reducing production cost.
Description
Technical field
The application relates to electromechanical equipment guard technology field, more particularly, relates to a kind of explosion-proof shell and frequency converter.
Background technology
In prior art, the explosion-proof shell of frequency converter is all generally overall structure, and namely a shell is specially for a frequency converter equipment, usually can become multiple explosion-proof chamber at this explosion-proof shell interior separation, is arranged on respectively in each explosion-proof chamber by each building block of frequency converter equipment.This kind of mode can make the Design and manufacture of explosion-proof shell become complicated, frequency converter final assembly also can become complicated loaded down with trivial details, and this explosion-proof shell can only be applicable to a kind of frequency converter equipment of specification type, cannot be applicable to the frequency converter equipment of other different size type.When needing the explosion-proof frequency converter manufacturing plurality of specifications type, due to the explosion-proof shell needing the specification type configuration according to required frequency converter to use different structure, thus extending the design of explosion-proof shell and manufacturing the duration, and adding manufacturing cost.
Utility model content
In view of this, the application provides a kind of explosion-proof shell, generally adopt overall structure for solving frequency converter explosion-proof shell of the prior art, and cause when manufacturing explosion-proof shell and the explosion-proof frequency converter of different size type, the production cycle long and problem that manufacturing cost is high.
To achieve these goals, the existing scheme proposed is as follows:
A kind of explosion-proof shell, is applied in explosion-proof frequency converter, comprises:
Explosion-proof shell main body, described explosion-proof shell main body is inner for installing the explosion-proof shell main body of multicore binding post and frequency converter movement;
The first explosion-proof shell and second explosion-proof shell at described explosion-proof shell main body two ends is fixedly connected on by removably;
Described first explosion-proof shell is inner for installing the explosion-proof shell of explosion-proof frequency converter outlet side parts;
Described second explosion-proof shell is inner for installing the explosion-proof shell of explosion-proof frequency converter input side parts;
The joint of described first explosion-proof shell, explosion-proof shell main body and the second explosion-proof shell is provided with the through hole for making its inside connect.
Preferably, in above-mentioned explosion-proof shell, comprising:
Described first and second explosion-proof shells are respectively by flange and the two ends being bolted to described explosion-proof shell main body.
Preferably, in above-mentioned explosion-proof shell, comprising:
Described explosion-proof shell main body is both ends open structure, and described flange offers through hole, and the through hole on described flange is through first enclosure interior and explosion-proof shell body interior, the second enclosure interior and explosion-proof shell body interior respectively.
Preferably, in above-mentioned explosion-proof shell, described first explosion-proof shell, comprising:
Described first explosion-proof shell inside is provided with epicoele, lumen and cavity of resorption, adopt division board isolated between described epicoele and lumen, between cavity of resorption and lumen, described division board is provided with major loop binding post, described major loop binding post runs through described division board, the housing side being right against described lumen is provided with switch gate, the described upper and lower chamber one side adjacent with described explosion-proof shell main body be provided with through with described explosion-proof shell body interior, for the through hole of threading;
Or first is provided with the first cavity and the second cavity in explosion-proof shell, described first cavity is positioned at described second cavity top, two isolated by division board, described division board runs through and is provided with major loop binding post, for installing out put reactor and/or output filter in described second cavity, described second cavity is provided with switch gate away from the one side of described explosion-proof shell main body, described first cavity and the just right one side of described division board are provided with switch gate, the one side that described first cavity is adjacent with described explosion-proof shell main body is provided with for wiring, the through hole connected with described explosion-proof shell body interior.
Preferably, in above-mentioned explosion-proof shell, described second explosion-proof shell, comprising:
Described second explosion-proof shell inside is provided with epicoele, lumen and cavity of resorption, adopt division board isolated between described epicoele and lumen, between cavity of resorption and lumen, described division board is provided with major loop binding post, described major loop binding post runs through described division board, the housing side being right against described lumen is provided with switch gate, the described upper and lower chamber one side adjacent with described explosion-proof shell main body be provided with through with described explosion-proof shell main body, for the through hole of threading;
Or second is provided with the first cavity and the second cavity in explosion-proof shell, described first cavity is positioned at described second cavity top, two isolated by division board, described division board runs through and is provided with major loop binding post, for installing input reactance device and/or input filter in described second cavity, described second cavity is provided with switch gate away from the one side of described explosion-proof shell main body, described first cavity and the just right one side of described division board are provided with switch gate, the one side that described first cavity is adjacent with described explosion-proof shell main body is provided with for wiring, the through hole connected with described explosion-proof shell main body.
Preferably, in above-mentioned explosion-proof shell, comprising:
First explosion-proof shell and the second explosion-proof shell are inner for installing the explosion-proof shell of major loop binding post.
Preferably, in above-mentioned explosion-proof shell, comprising:
Described first explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post;
Described second explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post, input filter and/or input reactance device.
Preferably, in above-mentioned explosion-proof shell, comprising:
Described first explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post, output filter and/or out put reactor;
Described second explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post.
Preferably, in above-mentioned explosion-proof shell, comprising:
Described first explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post, output filter and/or out put reactor;
Described second explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post, input filter and/or input reactance device.
Preferably, in above-mentioned explosion-proof shell, comprising:
Described explosion-proof shell main body, the first explosion-proof shell and the second explosion-proof shell are provided with door open/close structure.
A kind of explosion-proof frequency converter, the explosion-proof shell of described explosion-proof frequency converter is the explosion-proof shell described in above-mentioned any one, described explosion-proof shell body interior is provided with multicore binding post and frequency converter movement, described first explosion-proof shell inside is provided with explosion-proof frequency converter outlet side parts, and described second explosion-proof shell inside is provided with explosion-proof frequency converter input side parts.
As can be seen from above-mentioned technical scheme, explosion-proof shell disclosed in the present application is made up of separate explosion-proof shell main body, the first explosion-proof shell and the second explosion-proof shell, and, adopt removably to be connected between first and second explosion-proof shell described with described explosion-proof shell main body.User can produce first, second explosion-proof shell of many group explosion-proof shell main bodys and all size in process of production in advance, when needing the explosion-proof frequency converter manufacturing a certain specification type, can by produced, carry out assembling with first, second explosion-proof shell of this explosion-proof frequency converter type matching and described explosion-proof shell main body.First explosion-proof shell, the second explosion-proof shell, explosion-proof shell main body can parallel productions, and be fitted in the first explosion-proof shell in outlet side parts, the second explosion-proof shell and be fitted into the process being fitted into frequency converter movement in input side parts, explosion-proof shell main body and can walk abreast and carry out, then three is fitted together and form complete explosion-proof frequency converter, which greatly improves production efficiency; And the first housing of the present utility model, the second housing and explosion-proof shell main body possess good universal flexible, do not need the integrated explosion proof system shell of bamboo product, production plurality of specifications, reduce cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
A kind of structure chart of explosion-proof shell disclosed in Fig. 1 the embodiment of the present application;
The structure chart of Fig. 2 a kind of explosion-proof shell disclosed in another embodiment of the application;
The structure chart of Fig. 3 a kind of explosion-proof shell disclosed in the another embodiment of the application;
Fig. 4 is the structure chart of the application's a kind of explosion-proof shell disclosed in an embodiment again.
Embodiment
Be directed to frequency converter explosion-proof shell of the prior art and generally adopt overall structure, and cause when manufacturing explosion-proof shell and the explosion-proof frequency converter of different size type, the production cycle long and problem that manufacturing cost is high, this application discloses a kind of Combined anti-explosion shell.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structure chart of Fig. 1 a kind of explosion-proof shell disclosed in the embodiment of the present application.
See Fig. 1, explosion-proof shell disclosed in the embodiment of the present application can comprise: explosion-proof shell main body 1, first explosion-proof shell 2 and the second explosion-proof shell 3;
Described explosion-proof shell main body 1 is the explosion-proof shell main body of inner multicore binding post and frequency converter movement for installing explosion-proof frequency converter, and described multicore binding post is used for connecing control cable or signal cable etc., is connected with external electrical equipment;
Described first explosion-proof shell 2 is inner for installing the explosion-proof shell of explosion-proof frequency converter outlet side parts, and described outlet side parts are used for connecing load motor, comprises that to connect in the parts such as UVW output wiring terminal, output filter, out put reactor of motor one or more;
Described second explosion-proof shell 3 is inner for installing the explosion-proof shell of explosion-proof frequency converter input side parts, and described input side parts are used for connecing three phase mains, and what comprise in the parts such as RST lead-in clamp, input filter, input reactance device connecing power supply is one or more;
Wherein, described first explosion-proof shell 2 and the second explosion-proof shell 3 are fixedly connected on described explosion-proof shell main body two ends by removably, and the position of described first explosion-proof shell 2 and the second explosion-proof shell 3 can be exchanged left and right;
The joint of described first explosion-proof shell, explosion-proof shell main body and the second explosion-proof shell is provided with the through hole for making its inside connect, even if the first explosion-proof shell and explosion-proof shell body interior connect, explosion-proof shell main body and the second explosion-proof shell inside is connected.
Here it should be noted that, according to specification, the type difference of the explosion-proof frequency converter of required production, the type of the required parts installed in inside of described first explosion-proof shell 2 and the second explosion-proof shell 3 is also not quite similar, therefore, in the above embodiments of the present application, described first explosion-proof shell 2 and the second explosion-proof shell 3 comprise the explosion-proof shell of plurality of specifications type.
See technical scheme disclosed in the above embodiments of the present application, described explosion-proof shell is made up of separate explosion-proof shell main body, the first explosion-proof shell and the second explosion-proof shell, further, removably is adopted to be connected between first and second explosion-proof shell described with described explosion-proof shell main body.User can produce first, second explosion-proof shell of many group explosion-proof shell main bodys and all size in process of production in advance, when needing the explosion-proof frequency converter manufacturing a certain specification type, can by produced, carry out assembling with first, second explosion-proof shell of this explosion-proof frequency converter type matching and described explosion-proof shell main body.First explosion-proof shell, the second explosion-proof shell, explosion-proof shell main body can parallel productions, and be fitted in the first explosion-proof shell in outlet side parts, the second explosion-proof shell and be fitted into the process being fitted into frequency converter movement in input side parts, explosion-proof shell main body and can walk abreast and carry out, then three is fitted together and form complete explosion-proof frequency converter, which greatly improves production efficiency; And the first housing of the present utility model, the second housing and explosion-proof shell main body possess good universal flexible, do not need the integrated explosion proof system shell of bamboo product, production plurality of specifications, reduce cost.
Disclosed in the above embodiments of the present application, the upper end of explosion-proof shell main body 1 is also provided with wire connection cavity, wire connection cavity upper end is provided with flame proof cover plate, wire connection cavity two ends are provided with cable entry, the cable of external electrical equipment is connected with multicore binding post, and multicore binding post is connected with the cable of the frequency converter movement of explosion-proof shell main body 1 inside.
Be understandable that; first, second explosion-proof shell described in the above embodiments of the present application and the connection type between described explosion-proof shell main body can be multiple, as long as the annexation that described in can ensureing, first, second explosion-proof shell and described explosion-proof shell main body realize removably connecting is all within the protection range of the application.Such as, first, second explosion-proof shell described in the above embodiments of the present application can be adopted mounting form to be connected with between described explosion-proof shell main body, can be bolted, can be connected by fastener, connect can certainly adopt Flange joint by draw-in groove and fastener, preferably, first, second explosion-proof shell described in the above embodiments of the present application is fixedly connected with bolt by flange with between described explosion-proof shell main body.
In the embodiment of the present application, when first, second explosion-proof shell described is connected with described explosion-proof shell main body by flange, described explosion-proof shell main body is both ends open structure, described flange offers through hole, and the through hole on described flange is through first enclosure interior and explosion-proof shell body interior, the second enclosure interior and explosion-proof shell body interior respectively.
Be understandable that, the specification type according to first, second explosion-proof shell described is different, and the specification type of explosion-proof shell disclosed in the above embodiments of the present application is also divided into multiple.
Such as, see Fig. 1, in described explosion-proof shell disclosed in the above embodiments of the present application, when needs production 110KW explosion-proof frequency converter and explosion-proof shell thereof, multicore post D 5 and a 110KW explosion-proof frequency converter movement C1 can be installed in described explosion-proof shell main body 1, now described first explosion-proof shell 2 and the second explosion-proof shell 3 all can for inner for installing the explosion-proof shell of major loop post D 1, and first, second explosion-proof shell described can adopt flange to be connected with described explosion-proof shell main body 1 with bolt F1.
Now, the structure of described first explosion-proof shell and the second explosion-proof shell specifically can be:
Described first and second explosion-proof shell inside are provided with epicoele, lumen and cavity of resorption, between described epicoele and lumen, adopt division board isolated between cavity of resorption and lumen, described division board is provided with major loop binding post, described major loop binding post runs through described division board, the described housing side being right against described lumen is provided with switch gate, on described, the one side that cavity of resorption is adjacent with described explosion-proof shell main body is provided with described explosion-proof shell body interior through, for the through hole of threading, flange is also provided with described on, two through holes on cavity of resorption match corresponding through hole.
See Fig. 2, when needs production 200KW explosion-proof frequency converter and explosion-proof shell thereof, user can arrange multicore post D 5 and a 200KW explosion-proof frequency converter movement C2 in described explosion-proof shell main body 1, now, described first explosion-proof shell 2 can for inner for installing the explosion-proof shell of major loop post D 2, described second explosion-proof shell 3 can for inner for installing the explosion-proof shell of major loop post D 2, input filter and/or input reactance device E1, and first, second explosion-proof shell described can adopt flange to be connected with described explosion-proof shell main body 1 with bolt F1.
Now the structure of described first explosion-proof shell 2 is identical with the mechanism of the first explosion-proof shell in Fig. 1, and the structure of described second explosion-proof shell 3 is specially:
The first cavity and the second cavity is provided with in described second explosion-proof shell, described first cavity is positioned at described second cavity top, two isolated by division board, described division board runs through and is provided with major loop binding post, for installing input reactance device and/or input filter in described second cavity, described second cavity is provided with switch gate away from the one side of described explosion-proof shell main body, described first cavity top (one side just right with described division board) is provided with switch gate, the one side that described first cavity is adjacent with described explosion-proof shell main body is provided with for wiring, the through hole connected with described explosion-proof shell body interior, now described flange is also provided with the corresponding through hole that to match with the through hole on described first cavity.
See Fig. 3, when needs production 400KW explosion-proof frequency converter and explosion-proof shell thereof, user can arrange multicore post D 5 and a 400KW explosion-proof frequency converter movement C3 in described explosion-proof shell main body 1, now, described first explosion-proof shell 2 can for inner for installing major loop post D 3, the explosion-proof shell of out put reactor and/or output filter E2, described second explosion-proof shell 3 can for inner for installing the explosion-proof shell of major loop post D 3, described first, second explosion-proof shell can adopt flange to be connected with described explosion-proof shell main body 1 with bolt F1, now described first explosion-proof shell adopts the structure identical with the second explosion-proof shell shown in Fig. 2, described second explosion-proof shell can adopt the structure that the second explosion-proof shell shown in described Fig. 1 is identical.
See Fig. 4, when needs production 630KW explosion-proof frequency converter and explosion-proof shell thereof, user can arrange multicore post D 5 and a 630KW explosion-proof frequency converter movement C4 in described explosion-proof shell main body 1, now, described first explosion-proof shell 2 can for inner for installing major loop post D 4, the explosion-proof shell of out put reactor and/or output filter E3, described second explosion-proof shell 3 can for inner for installing major loop post D 4, the explosion-proof shell of input filter and/or input reactance device E4, described first, second explosion-proof shell can adopt flange to be connected with described explosion-proof shell main body 1 with bolt F1.Now described first and second explosion-proof shell structures can for the structure identical with the second explosion-proof shell shown in Fig. 2.
Be understandable that, for the ease of the installation of described explosion-proof shell main body and first, second explosion-proof shell inner components described, described explosion-proof shell main body and first, second explosion-proof shell described be provided with door open/close structure.
Be understandable that, any one major loop binding post mentioned in the above embodiments of the present application can comprise the RST binding post connecing three phase mains or the UVW binding post etc. connecing load motor;
Wherein, when described major loop binding post is the binding post in the first explosion-proof shell, it comprises the UVW binding post connecing load motor, and when for binding post in the second explosion-proof shell, it comprises the RST binding post connecing three phase mains.
Be understandable that, corresponding with explosion-proof shell disclosed in the above embodiments of the present application, disclosed herein as well is a kind of explosion-proof frequency converter applying explosion-proof shell disclosed in the above-mentioned any embodiment of the application, described explosion-proof shell body interior is provided with multicore binding post and frequency converter movement, described first explosion-proof shell inside is provided with explosion-proof frequency converter outlet side parts, and described second explosion-proof shell inside is provided with explosion-proof frequency converter input side parts.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. an explosion-proof shell, is applied in explosion-proof frequency converter, it is characterized in that, comprising:
Explosion-proof shell main body, described explosion-proof shell main body is inner for installing the explosion-proof shell main body of multicore binding post and frequency converter movement;
The first explosion-proof shell and second explosion-proof shell at described explosion-proof shell main body two ends is fixedly connected on by removably;
Described first explosion-proof shell is inner for installing the explosion-proof shell of explosion-proof frequency converter outlet side parts;
Described second explosion-proof shell is inner for installing the explosion-proof shell of explosion-proof frequency converter input side parts;
The joint of described first explosion-proof shell, explosion-proof shell main body and the second explosion-proof shell is provided with the through hole for making its inside connect.
2. explosion-proof shell according to claim 1, is characterized in that, comprising:
Described first and second explosion-proof shells are respectively by flange and the two ends being bolted to described explosion-proof shell main body.
3. explosion-proof shell according to claim 2, is characterized in that, comprising:
Described explosion-proof shell main body is both ends open structure, and described flange offers through hole, and the through hole on described flange is through first enclosure interior and explosion-proof shell body interior, the second enclosure interior and explosion-proof shell body interior respectively.
4. explosion-proof shell according to claim 1, is characterized in that, described first explosion-proof shell, comprising:
Described first explosion-proof shell inside is provided with epicoele, lumen and cavity of resorption, adopt division board isolated between described epicoele and lumen, between cavity of resorption and lumen, described division board is provided with major loop binding post, described major loop binding post runs through described division board, the housing side being right against described lumen is provided with switch gate, the described upper and lower chamber one side adjacent with described explosion-proof shell main body be provided with through with described explosion-proof shell body interior, for the through hole of threading;
Or first is provided with the first cavity and the second cavity in explosion-proof shell, described first cavity is positioned at described second cavity top, two isolated by division board, described division board runs through and is provided with major loop binding post, for installing out put reactor and/or output filter in described second cavity, described second cavity is provided with switch gate away from the one side of described explosion-proof shell main body, described first cavity and the just right one side of described division board are provided with switch gate, the one side that described first cavity is adjacent with described explosion-proof shell main body is provided with for wiring, the through hole connected with described explosion-proof shell body interior.
5. explosion-proof shell according to claim 1, is characterized in that, described second explosion-proof shell, comprising:
Described second explosion-proof shell inside is provided with epicoele, lumen and cavity of resorption, adopt division board isolated between described epicoele and lumen, between cavity of resorption and lumen, described division board is provided with major loop binding post, described major loop binding post runs through described division board, the housing side being right against described lumen is provided with switch gate, the described upper and lower chamber one side adjacent with described explosion-proof shell main body be provided with through with described explosion-proof shell body interior, for the through hole of threading;
Or second is provided with the first cavity and the second cavity in explosion-proof shell, described first cavity is positioned at described second cavity top, two isolated by division board, described division board runs through and is provided with major loop binding post, for installing input reactance device and/or input filter in described second cavity, described second cavity is provided with switch gate away from the one side of described explosion-proof shell main body, described first cavity and the just right one side of described division board are provided with switch gate, the one side that described first cavity is adjacent with described explosion-proof shell main body is provided with for wiring, the through hole connected with described explosion-proof shell body interior.
6. explosion-proof shell according to claim 1, is characterized in that, comprising:
First explosion-proof shell and the second explosion-proof shell are inner for installing the explosion-proof shell of major loop binding post.
7. explosion-proof shell according to claim 1, is characterized in that, comprising:
Described first explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post;
Described second explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post, input filter and/or input reactance device.
8. explosion-proof shell according to claim 1, is characterized in that, comprising:
Described first explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post, output filter and/or out put reactor;
Described second explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post.
9. explosion-proof shell according to claim 1, is characterized in that, comprising:
Described first explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post, output filter and/or out put reactor;
Described second explosion-proof shell is inner for installing the explosion-proof shell of major loop binding post, input filter and/or input reactance device.
10. the explosion-proof shell according to claim 1-9 any one, is characterized in that, comprising:
Described explosion-proof shell main body, the first explosion-proof shell and the second explosion-proof shell are provided with door open/close structure.
11. 1 kinds of explosion-proof frequency converters, it is characterized in that, the explosion-proof shell of described explosion-proof frequency converter is the explosion-proof shell described in claim 1-10 any one, described explosion-proof shell body interior is provided with multicore binding post and frequency converter movement, described first explosion-proof shell inside is provided with explosion-proof frequency converter outlet side parts, and described second explosion-proof shell inside is provided with explosion-proof frequency converter input side parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736288.4U CN204271884U (en) | 2014-11-28 | 2014-11-28 | A kind of explosion-proof shell and explosion-proof frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736288.4U CN204271884U (en) | 2014-11-28 | 2014-11-28 | A kind of explosion-proof shell and explosion-proof frequency converter |
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| Publication Number | Publication Date |
|---|---|
| CN204271884U true CN204271884U (en) | 2015-04-15 |
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|---|---|---|---|
| CN201420736288.4U Expired - Fee Related CN204271884U (en) | 2014-11-28 | 2014-11-28 | A kind of explosion-proof shell and explosion-proof frequency converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362838A (en) * | 2014-11-28 | 2015-02-18 | 深圳市英威腾电气股份有限公司 | Anti-explosion shell and anti-explosion frequency converter |
-
2014
- 2014-11-28 CN CN201420736288.4U patent/CN204271884U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362838A (en) * | 2014-11-28 | 2015-02-18 | 深圳市英威腾电气股份有限公司 | Anti-explosion shell and anti-explosion frequency converter |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20181128 |