CN213633505U - SF6 density relay signal detection interface device - Google Patents
SF6 density relay signal detection interface device Download PDFInfo
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- CN213633505U CN213633505U CN202022372867.3U CN202022372867U CN213633505U CN 213633505 U CN213633505 U CN 213633505U CN 202022372867 U CN202022372867 U CN 202022372867U CN 213633505 U CN213633505 U CN 213633505U
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Abstract
The utility model relates to a SF6 density relay signal detection interface arrangement, including preset joint and main joint, the main joint is handheld bracket structure, and the upper end of main joint is connected through the butt contact with the rear end of preset joint, and the bottom surface of main joint is equipped with the signal switching portion that is used for being connected with the test instrument; the front end of the preset connector is provided with a density relay port, and the density relay port is provided with a plurality of connector contacts used for being connected with a signal interface of the density relay. The utility model has the advantages of reasonable design, need not to reuse a plurality of clips during the detection, simplified operating procedure, reduced test time greatly, improve work efficiency.
Description
The technical field is as follows:
the utility model relates to a SF6 density relay signal detection interface arrangement.
Background art:
at present, the verification and verification of the SF6 density relay are generally performed on a substation maintenance site or the density relay which is disassembled is collectively sent to a standard laboratory of a maintenance department for verification. In the checking process, the signal test wire of the density relay check meter adopts a clamp to clamp the signal test terminals on the side surface of the density relay gauge outfit, the number of the signal test terminals is 6, 2 of the signal test terminals are a group, and the number of the signal test terminals is 3, wherein the signal test terminals comprise alarm and locking signals. And in the actual test, 2 pairs or 3 pairs of signal test wire signal clamps are often needed to be used for filling 2 groups or 3 groups of signal test terminals of the density relay, so that the complexity of the operation steps is increased. Meanwhile, the space of a signal testing terminal port is small in the period, the signal end is not easy to identify, the problems that a clamp is easy to fall off in the testing process, a wire clamp is short-circuited, contact resistance is increased and the like are solved, and meanwhile, the density relay cannot be fixed when being detected in the process of summarizing, so that the reliability of testing data is influenced, the tested equipment is damaged, the working efficiency is reduced, the safety performance is greatly reduced, and the overhauling work consumes a large amount of time and labor.
The utility model has the following contents:
the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a SF6 density relay signal detection interface arrangement is provided, reasonable in design can shorten the required operating time of detection effectively, improves work efficiency.
In order to realize the purpose, the utility model discloses a technical scheme is: an SF6 density relay signal detection interface device comprises a preset connector and a main connector, wherein the main connector is of a handheld bracket structure, the upper end of the main connector is connected with the rear end of the preset connector through a butt contact, and the bottom surface of the main connector is provided with a signal transfer part for connecting with a test instrument; the front end of the preset connector is provided with a density relay port, and the density relay port is provided with a plurality of connector contacts used for being connected with a signal interface of the density relay.
Furthermore, the signal transfer part adopts an aviation plug.
Furthermore, a plurality of first pairs of contact points are arranged on the front side of the upper end of the main joint; the rear end of the preset joint is provided with a plurality of second pairs of contact points used for being connected with the first pairs of contact points.
Furthermore, the middle part of the preset joint and the middle part of the upper end of the main joint are locked and fixed through a central locking screw.
Furthermore, a plurality of first connecting lugs distributed annularly are arranged on the periphery of the front part of the upper end of the main joint; the periphery of the rear end of the preset joint is provided with a plurality of second connecting lugs corresponding to the first connecting lugs in position, and the first connecting lugs and the second connecting lugs in corresponding positions are locked and fixed through butt locking screws.
Furthermore, a first external thread is arranged on the outer peripheral side of the front part of the upper end of the main joint, a second external thread is arranged on the outer peripheral side of the rear end of the preset joint, and a threaded sleeve is screwed between the first external thread and the second external thread.
Furthermore, the outer circumferential surface of the threaded sleeve is provided with anti-skid knurls.
Compared with the prior art, the utility model discloses following effect has: the utility model has the advantages of reasonable design, need not to reuse a plurality of clips during the detection, simplified operating procedure, reduced test time greatly, improve work efficiency.
Description of the drawings:
fig. 1 is a schematic view illustrating an exploded state of a first embodiment of the present invention;
fig. 2 is a schematic view illustrating an exploded state of the first embodiment of the present invention;
fig. 3 is a first perspective view of the embodiment of the present invention;
fig. 4 is a schematic perspective view of the second embodiment of the present invention;
fig. 5 is an exploded view of the second embodiment of the present invention;
fig. 6 is a schematic front view of a second embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The first embodiment is as follows: as shown in fig. 1 to 4, the SF6 density relay signal detection interface device of the present invention includes a preset connector 1 as a front end portion and a main connector 2 as a terminal portion, wherein the main connector 1 is a handheld bracket structure, which is convenient for manual holding, the front portion of the upper end of the main connector 1 is connected to the rear end of the preset connector 2 through a butt contact, and the bottom surface of the main connector 1 is provided with a signal transfer portion 3 for connecting with a test instrument; the front end of presetting joint 2 is equipped with density relay port 4, be equipped with a plurality of joint contacts 5 that are used for being connected with the signal interface of SF6 density relay on the density relay port 4. When the connector is used, the preset connector 2 is connected with a signal interface of an SF6 density relay through the connector contact 5, and the signal transfer part 3 at the bottom of the main connector 1 is connected with a test instrument.
In this embodiment, the signal switching part 3 adopts an aviation plug, and the surface is smooth and beautiful. Preferably, the cable part of the aviation plug is made of high-purity red copper and a multi-strand copper wire flexible cable, the cable part is wrapped by a high-density shielding tape, the anti-interference performance is strong, and the cable part is cold-resistant, oil-resistant, acid-base-resistant and bending-resistant due to a black plastic sheath; the metal part is made of a solid copper needle gold-plating material, and is resistant to plugging and unplugging and resistant to oxidation; the screw part is made of 304 stainless steel screws, so that the screw is corrosion-resistant and not easy to rust.
In this embodiment, a plurality of first pair of contact points 6 are arranged on the front side of the upper end of the main joint 1; the rear end of the preset joint 2 is provided with a plurality of second pairs of contact points 7 for connecting with the plurality of first pairs of contact points 6.
In this embodiment, in order to realize the firm connection of preset joint and main joint upper end, preset joint middle part and main joint's upper end middle part is fixed via central locking screw 8 locking, and central locking screw 8 runs through the upper end middle part of main joint 1 and the upper end middle part of preset joint 2. A plurality of first connecting lugs 9 which are distributed annularly are arranged on the periphery of the front part of the upper end of the main joint 1; the rear end periphery side of the preset joint 2 is provided with a plurality of second connecting lugs 10 corresponding to the positions of the first connecting lugs 9, connecting through holes are formed in the middle parts of the first connecting lugs and the second connecting lugs, and the first connecting lugs 9 and the second connecting lugs 10 corresponding to the positions are locked and fixed through butt joint locking screws 11 penetrating through the connecting through holes so as to further improve the connecting strength of the preset joint and the main joint.
In this embodiment, the handheld bracket structure of the main joint 1 is specifically: the outer shell of the main joint 1 is in the shape of a hand-held handle type rod body bracket, namely the hand-held joint is convenient to hold manually; due to the fact that the density relay can be manually held, when the preset connector is connected with a signal interface of the density relay, fixation of the SF6 density relay can be achieved. Preferably, the outer shell of the main joint is made of an insulating material, the insulating material can be made of high-quality PPS material, and the main joint is high in high temperature resistance and high in insulating flame retardance.
It should be noted that, the preset connector has various circuits or electrical elements inside for electrically connecting with the signal interface of the density relay, so as to detect the signal of the density relay, and these circuits or electrical elements and the connection structure are the prior art and will not be described in detail herein. Similarly, various circuits or electrical elements for transmitting and outputting signals collected by the preset connector are commonly arranged in the main connector, and these circuits or electrical elements and the connection structure are also in the prior art, and are not described in detail herein.
In this embodiment, in the actual test process, common node modes include: the single alarm, the single locking, the double alarm and the double locking are adopted, the preset joints are of various types, and the arrangement forms of a plurality of joint contacts among the preset joints of different types are different, so that the signals of SF6 density relays of different types can be accurately matched.
The utility model has the advantages that:
(1) the preset connector and the main connector are detachably connected through the locking screw, so that various detected equipment signal ports can be matched by replacing different types of preset connectors, the signal ports are suitable for several commonly-used SF6 density relays, and the application range is widened;
(2) when the device is used for detection, a plurality of clamps are not needed, all matching tasks can be completed directly at the joint of the device, the operation steps are greatly simplified, the time required by the traditional method is directly reduced by 50%, the working time required by detection is effectively shortened, the labor intensity of operators is reduced, and the working efficiency is improved;
(3) the main joint adopts handheld bracket structure, connects measurement mouth and signal mouth simultaneously, and bearing capacity is sufficient, supports stably, and is insulating good, and SF6 density relay plays fixed effect.
Example two: as shown in fig. 5 and 6, the difference between the present embodiment and the first embodiment is only that the mechanical connection structure of the preset joint and the main joint is different, specifically: a first external thread 12 is arranged on the outer periphery of the front part of the upper end of the main joint 1, a second external thread 13 is arranged on the outer periphery of the rear end of the preset joint 2, and a threaded sleeve 14 is screwed between the first external thread 12 and the second external thread 13. It should be noted that the preset terminals are also provided with a plurality of types, and the arrangement form of the contact points of the plurality of terminals among the preset terminals of different types is different, so that the signals of SF6 density relays of different types can be accurately matched.
In this embodiment, in order to facilitate the rotation of the threaded sleeve, an anti-slip knurl is provided on the outer circumferential surface of the threaded sleeve.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. The utility model provides a SF6 density relay signal detection interface arrangement which characterized in that: the test device comprises a preset connector and a main connector, wherein the main connector is of a handheld bracket structure, the upper end of the main connector is connected with the rear end of the preset connector through a butt contact, and the bottom surface of the main connector is provided with a signal transfer part for connecting with a test instrument; the front end of the preset connector is provided with a density relay port, and the density relay port is provided with a plurality of connector contacts used for being connected with a signal interface of the density relay.
2. The SF6 density relay signal detection interface device of claim 1, wherein: the signal switching part adopts an aviation plug.
3. The SF6 density relay signal detection interface device of claim 1, wherein: a plurality of first contact points are arranged on the front side of the upper end of the main joint; the rear end of the preset joint is provided with a plurality of second pairs of contact points used for being connected with the first pairs of contact points.
4. The SF6 density relay signal detection interface device of claim 1, wherein: and the middle part of the preset joint and the middle part of the upper end of the main joint are locked and fixed through a central locking screw.
5. The SF6 density relay signal detection interface device of claim 1, wherein: a plurality of first connecting lugs which are distributed annularly are arranged on the outer peripheral side of the front part of the upper end of the main joint; the periphery of the rear end of the preset joint is provided with a plurality of second connecting lugs corresponding to the first connecting lugs in position, and the first connecting lugs and the second connecting lugs in corresponding positions are locked and fixed through butt locking screws.
6. The SF6 density relay signal detection interface device of claim 1, wherein: the outer periphery of the front part of the upper end of the main joint is provided with a first external thread, the outer periphery of the rear end of the preset joint is provided with a second external thread, and a threaded sleeve is screwed between the first external thread and the second external thread.
7. The SF6 density relay signal detection interface device of claim 6, wherein: and the outer circumferential surface of the threaded sleeve is provided with anti-skid knurls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022372867.3U CN213633505U (en) | 2020-10-23 | 2020-10-23 | SF6 density relay signal detection interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022372867.3U CN213633505U (en) | 2020-10-23 | 2020-10-23 | SF6 density relay signal detection interface device |
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| CN213633505U true CN213633505U (en) | 2021-07-06 |
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| CN202022372867.3U Active CN213633505U (en) | 2020-10-23 | 2020-10-23 | SF6 density relay signal detection interface device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625013A (en) * | 2021-08-12 | 2021-11-09 | 中科检测技术服务(重庆)有限公司 | Portable electric pile check out test set that fills |
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2020
- 2020-10-23 CN CN202022372867.3U patent/CN213633505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625013A (en) * | 2021-08-12 | 2021-11-09 | 中科检测技术服务(重庆)有限公司 | Portable electric pile check out test set that fills |
| CN113625013B (en) * | 2021-08-12 | 2023-12-19 | 中科检测技术服务(重庆)有限公司 | Portable charging pile detection equipment |
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