CN211017631U - Aviation plug capable of preventing secondary open circuit - Google Patents
Aviation plug capable of preventing secondary open circuit Download PDFInfo
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- CN211017631U CN211017631U CN201922495046.6U CN201922495046U CN211017631U CN 211017631 U CN211017631 U CN 211017631U CN 201922495046 U CN201922495046 U CN 201922495046U CN 211017631 U CN211017631 U CN 211017631U
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- main shaft
- sleeve
- plug
- conductive connecting
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Abstract
The utility model provides an aviation plug for preventing secondary open circuit, which comprises a plug main shaft, a sleeve and a plurality of conductive connecting pieces, wherein a plurality of jacks are arranged in the plug main shaft, every two jacks which are adjacently arranged form a jack group, and the jack groups are uniformly arranged at intervals; the plug main shaft is arranged in the sleeve, and a certain rotating gap is arranged between the plug main shaft and the sleeve; a conductive contact is arranged in the plug main shaft along the radius direction, one end of the conductive contact is inserted into the jack, and the other end of the conductive contact extends out of the outer wall of the plug main shaft; the conductive connecting piece is embedded in the inner wall of the sleeve and is contacted with the outer wall of the main shaft of the phase plug; the length of the conductive connecting piece is larger than the distance between two adjacent jacks in the jack group, and the length of the conductive connecting piece is smaller than the distance between the adjacent 2 jack groups.
Description
Technical Field
The utility model relates to a plug technical field, more specifically relates to an aviation plug of preventing secondary and opening a way.
Background
The current transformer is arranged in the internal integration of part primary equipment, and the current transformer secondary circuit is connected with the collection end of protective equipment, and when collection equipment needs to be changed, there is the open circuit condition in current transformer's secondary circuit, probably causes the problem that dangerous voltage leads to the operation personnel to electrocute. At present, an intelligent circuit is mainly adopted to limit high voltage in a secondary circuit, but the possibility of open circuit of the secondary circuit still exists, and the open circuit condition of the secondary circuit cannot be completely avoided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art current transformer's the easy defect of opening a way of secondary circuit, provide an aviation plug who prevents that the secondary is opened a way.
In order to solve the technical problem, the technical scheme of the utility model as follows:
the aviation plug comprises a plug main shaft, a sleeve and a plurality of conductive connecting pieces, wherein a plurality of jacks are formed in the plug main shaft, every two jacks are adjacently arranged to form jack groups, and the jack groups are uniformly arranged at intervals; the plug main shaft is arranged in the sleeve, and a certain rotating gap is arranged between the plug main shaft and the sleeve; a conductive contact is arranged in the plug main shaft along the radius direction, one end of the conductive contact is inserted into the jack, and the other end of the conductive contact extends out of the outer wall of the plug main shaft; the conductive connecting piece is embedded in the inner wall of the sleeve and is contacted with the outer wall of the main shaft of the phase plug; the length of the conductive connecting piece is larger than the distance between two adjacent jacks in the jack group, and the length of the conductive connecting piece is smaller than the distance between the adjacent 2 jack groups.
In the technical scheme, the jack arranged in the plug main shaft is used for inserting the aviation plug seat, the conductive contact is arranged in the jack along the radius direction towards the outer wall of the plug main shaft and connected with the jack, the conductive connecting piece is embedded in the inner wall of the sleeve to realize sliding connection with the outer wall of the plug main shaft, and when the conductive connecting piece slides to be connected with the conductive contact corresponding to the adjacent jack, the conductive connecting piece is in short circuit with the two adjacent jacks to form a loop. Before the aviation plug is pulled out of the jack, firstly, rotating an external sleeve to enable an inner wall of the external sleeve to be embedded into a conductive connecting piece arranged to slide along an outer wall of a plug main shaft, enabling two conductive contacts which are relatively close to each other to be in short circuit, and then pulling out the jack; after the aviation plug is inserted into the jack, the outer sleeve is rotated to enable the conductive connecting piece embedded into the outer sleeve to slide along the outer wall of the plug main shaft, the conductive contact is enabled to remove the short circuit of the circuit, the external acquisition circuit forms a normal circuit, the short circuit state adjustment of the secondary circuit of the aviation plug in the working state and the non-working state is achieved, and therefore secondary open circuit is avoided.
Preferably, a spring is arranged between the conductive connecting member and the sleeve for ensuring a reliable contact of the conductive connecting member with the conductive contact.
Preferably, the other end of the conductive contact is of an arc-shaped structure, so that the conductive connecting piece and the conductive contact are prevented from being clamped when the sleeve rotates.
Preferably, the end part of the conductive connecting piece is of an arc-shaped structure, so that the conductive connecting piece and the conductive contact are further prevented from being clamped when the sleeve rotates.
Preferably, the conductive connection member is an arc-shaped copper plate.
Preferably, the number of the jacks formed in the plug main shaft is 6, so that a three-phase loop is formed; the number of conductive connecting pieces is 3.
Preferably, the radian of the conductive connecting piece is pi/3; the radian between the corresponding conductive contacts in the jack groups is pi/4, the radian between the adjacent jack groups is 5 pi/12, namely the geometric angle of the conductive connecting piece is 60 degrees, the geometric angle between the conductive contacts arranged in the adjacent jacks is 45 degrees, and the geometric angle between the adjacent jack groups is 75 degrees.
Preferably, the sleeve is made of an insulating material.
Preferably, the sleeve is provided with an anti-slip structure at the periphery to facilitate the rotation of the sleeve.
Preferably, the outer surface of the sleeve and the position corresponding to the conductive contact are provided with identification patterns for assisting in judging the relative position of the conductive connecting piece and the outer contact.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is: the short circuit or the short circuit release of the circuit in the jack is realized by adopting the sleeve and the conductive connecting piece embedded in the inner wall of the sleeve, so that the short circuit state adjustment of the secondary circuit of the aviation plug in the working state and the non-working state is realized, and the secondary open circuit of the aviation plug in the conversion process of the working state and the non-working state is avoided.
Drawings
Fig. 1 is a schematic structural view of the secondary open-circuit prevention aviation plug of embodiment 1.
FIG. 2 is a schematic view showing the angle design of the insertion hole in the spindle of the plug in example 1.
Fig. 3 is a schematic diagram of the conductive contact de-shorting in the normal operating state of the circuit in embodiment 1.
Fig. 4 is a detailed schematic view of the secondary open-circuit prevention aviation plug of embodiment 2.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
The embodiment provides an aviation plug for preventing a secondary open circuit, which is a schematic structural diagram of the aviation plug for preventing a secondary open circuit in the embodiment, as shown in fig. 1.
The aviation plug for preventing the secondary open circuit comprises a plug main shaft 1, a sleeve 2 and a conductive connecting piece 3, wherein a plurality of jacks 11 are formed in the plug main shaft 1, the plug main shaft 1 is arranged in the sleeve 2, and a certain rotating gap is formed between the plug main shaft 1 and the sleeve 2; the conductive connecting piece 3 is embedded in the inner wall of the sleeve 2, and the conductive connecting piece 3 is contacted with the outer wall of the plug main shaft 1; the plug is characterized in that a conductive contact 4 is arranged in the plug main shaft 1 along the radius direction, one end of the conductive contact 4 is inserted into the jack 11, and the other end of the conductive contact 4 extends out of the outer wall of the plug main shaft 1.
In this embodiment, a spring 5 is disposed between the conductive connecting member 3 and the sleeve 2 for ensuring reliable contact between the conductive connecting member 3 and the conductive contact 4.
In this embodiment, the number of the insertion holes 11 formed in the plug spindle 1 is 6, wherein every two insertion holes 11 form an insertion hole group, that is, form 3 insertion hole groups, and each insertion hole group is uniformly arranged at intervals to form a three-phase loop. Specifically, the geometric angle between the conductive contacts 4 corresponding to the adjacent jacks 11 in one jack group is 45 degrees; the geometrical angle of the conductive contacts 4 between adjacently arranged groups of the sockets is 75 deg..
The conductive connecting pieces 3 in this embodiment are arc-shaped copper plates, the number of the conductive connecting pieces 3 is 3, and a geometric angle formed by two ends of each conductive connecting piece 3 is 60 °.
Fig. 2 is a schematic view illustrating the angle design of the insertion hole in the spindle of the plug of the present embodiment. As can be seen from the figure, the length of the conductive connecting member 3 is greater than the distance between the 2 jacks 11 in the 1 jack group, and the length of the conductive connecting member 3 is less than the distance between the adjacently arranged 2 jack groups. When the conductive connecting piece 3 rotates along the outer wall of the plug main shaft 1 to be connected with two adjacent conductive contacts 4 in one jack group, the jack group is in short circuit and forms a loop under the connecting action of the conductive connecting piece 3; when the conductive connecting piece 3 rotates along the outer wall of the plug main shaft 1 until the conductive connecting piece 3 is connected with only one conductive contact 4 or the conductive connecting piece 3 is not connected with the conductive contact 4, the conductive contact 4 is disconnected.
In the specific implementation process, the aviation plug is used for being matched with an aviation plug socket for use, before the aviation plug is pulled out of the jack 11, the outer sleeve 2 is rotated to enable the inner wall of the outer sleeve to be embedded into the arranged conductive connecting piece 3 to slide along the outer wall of the plug main shaft 1, two conductive contacts 4 which are relatively close to each other are in short circuit, the adjacent jacks 11 are connected through the conductive connecting pieces 3 to form a loop, and then the aviation plug is pulled out of the jack 11; after the aviation plug is inserted into the jack 11, the outer sleeve 2 is rotated to enable the conductive connecting piece 3 embedded in the sleeve to slide along the outer wall of the plug main shaft 1 until the conductive connecting piece 3 is connected with only one conductive contact 4 or is not connected with the conductive contact 4, namely the conductive contact 4 is disconnected from the short circuit, and at the moment, the external acquisition circuit forms a normal loop.
Fig. 1 is a schematic diagram illustrating a short circuit between the conductive contact 4 and the conductive connection member 3 in a non-operating state in the present embodiment, and fig. 3 is a schematic diagram illustrating a short circuit between the conductive contact 4 and the conductive connection member 3 in a normal operating state in the present embodiment.
In this embodiment, through adopting sleeve pipe 2 and embedding to set up the short circuit of the circuit in the jack or remove the short circuit at the electrically conductive connecting piece 3 of sleeve pipe 2 inner wall, realize the short circuit state of aviation plug secondary circuit under operating condition and non-operating condition and adjust to avoid aviation plug to take place the secondary and open a way in operating condition and non-operating condition conversion process.
Example 2
The embodiment provides an aviation plug capable of preventing secondary open circuit, which comprises a plug main shaft 1, a sleeve 2, a conductive connecting piece 3 and a spring 5, wherein 6 jacks 11 are formed in the plug main shaft 1, and every two jacks 11 form a jack group to form 3 jack groups; the plug main shaft 1 is arranged in the sleeve 2, and a certain rotating gap is arranged between the plug main shaft 1 and the sleeve 2; the conductive connecting piece 3 is contacted with the outer wall of the plug main shaft 1; a conductive contact 4 is arranged in the plug main shaft 1 along the radius direction, one end of the conductive contact 4 is inserted into the jack 11, and the other end of the conductive contact 4 extends out of the outer wall of the plug main shaft 1; a spring 5 is arranged between the conductive connecting piece 3 and the sleeve 2.
The length of the conductive connecting piece 3 is larger than the distance between 2 jacks 11 in 1 jack group, and the length of the conductive connecting piece 3 is smaller than the distance between 2 jack groups which are adjacently arranged.
In addition, in this embodiment, the other end of the conductive contact 4 is an arc structure, and the end of the conductive connecting member 3 is an arc structure, so that the conductive connecting member 3 and the conductive contact 4 are prevented from being locked when the sleeve 2 rotates.
Fig. 4 is a detailed schematic diagram of the aviation plug for preventing the secondary open circuit according to the embodiment.
In this embodiment, the sleeve 2 is made of an insulating material, and has an anti-slip structure on the outer periphery thereof to facilitate rotation of the sleeve, and a mark pattern is provided on the outer surface thereof corresponding to the conductive contact 4, so that the position of the current conductive connecting member 3 can be determined according to the mark pattern.
In the specific implementation process, before the aviation plug is pulled out of the jack 11, the outer sleeve 2 is rotated to enable the conductive connecting piece 3 embedded in the inner wall of the outer sleeve to slide along the outer wall of the plug main shaft 1, two conductive contacts 4 which are relatively close to each other are in short circuit, the adjacent jacks 11 form a loop under the connecting action of the conductive connecting pieces 3, and then the aviation plug is pulled out of the jack 11; after the aviation plug is inserted into the jack 11, the outer sleeve 2 is rotated to enable the conductive connecting piece 3 embedded in the sleeve to slide along the outer wall of the plug main shaft 1 until the conductive connecting piece 3 is connected with only one conductive contact 4 or is not connected with the conductive contact 4, namely the conductive contact 4 is disconnected from the short circuit, and at the moment, the external acquisition circuit forms a normal loop.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The aviation plug capable of preventing the secondary open circuit is characterized by comprising a plug main shaft, a sleeve and a plurality of conductive connecting pieces, wherein a plurality of jacks are arranged in the plug main shaft, every 2 jacks are adjacently arranged to form a jack group, and the jack groups are uniformly arranged at intervals; the plug main shaft is arranged in the sleeve, and a certain rotating gap is formed between the plug main shaft and the sleeve; a conductive contact is arranged in the plug main shaft along the radius direction, one end of the conductive contact is inserted into the jack, and the other end of the conductive contact extends out of the outer wall of the plug main shaft; the conductive connecting piece is embedded in the inner wall of the sleeve and is in contact with the outer wall of the plug main shaft; the length of the conductive connecting piece is larger than the distance between the 2 jacks in the jack group, and the length of the conductive connecting piece is smaller than the distance between the adjacent 2 jacks.
2. The secondary open circuit prevention aviation plug of claim 1, wherein: and a spring is arranged between the conductive connecting piece and the sleeve.
3. The secondary open circuit prevention aviation plug of claim 1, wherein: the other end of the conductive contact is of an arc-shaped structure.
4. The secondary open circuit prevention aviation plug of claim 3, wherein: the end part of the conductive connecting piece is of an arc-shaped structure.
5. The secondary open circuit prevention aviation plug of claim 1, wherein: the conductive connecting piece is an arc-shaped copper plate.
6. The secondary open circuit prevention aviation plug of claim 1, wherein: the number of jacks formed in the plug main shaft is 6, and the number of the conductive connecting pieces is 3.
7. The secondary open circuit prevention aviation plug of claim 6, wherein: the radian of the conductive connecting piece is pi/3; the radian between the corresponding conductive contacts in the jack groups is pi/4, and the radian between the adjacent jack groups is 5 pi/12.
8. The secondary open circuit prevention aviation plug of claim 1, wherein: the sleeve is made of insulating materials.
9. The secondary open circuit prevention aviation plug of claim 8, wherein: and an anti-skid structure is arranged on the periphery of the sleeve.
10. The secondary open circuit prevention aviation plug of claim 8, wherein: and identification patterns are arranged on the outer surface of the sleeve and at positions corresponding to the conductive contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495046.6U CN211017631U (en) | 2019-12-31 | 2019-12-31 | Aviation plug capable of preventing secondary open circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495046.6U CN211017631U (en) | 2019-12-31 | 2019-12-31 | Aviation plug capable of preventing secondary open circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211017631U true CN211017631U (en) | 2020-07-14 |
Family
ID=71482328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922495046.6U Active CN211017631U (en) | 2019-12-31 | 2019-12-31 | Aviation plug capable of preventing secondary open circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211017631U (en) |
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2019
- 2019-12-31 CN CN201922495046.6U patent/CN211017631U/en active Active
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