CN210016053U - Area is from jumper wire of timing disconnection function - Google Patents
Area is from jumper wire of timing disconnection function Download PDFInfo
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- CN210016053U CN210016053U CN201921272932.6U CN201921272932U CN210016053U CN 210016053 U CN210016053 U CN 210016053U CN 201921272932 U CN201921272932 U CN 201921272932U CN 210016053 U CN210016053 U CN 210016053U
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- power supply
- conductive end
- supply lead
- insulating layer
- sliding
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- 230000001681 protective effect Effects 0.000 claims description 4
- 230000011664 signaling Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract 5
- 238000009421 internal insulation Methods 0.000 description 13
- 238000009422 external insulation Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses a shorting stub with self-timing disconnection function, including power lead and the binding post of connection at power lead both ends, the last concatenation of power lead has the timing disconnection device, the timing disconnection device is circular telegram time delay relay, binding post includes the outer insulation layer and is wrapped up in the conductive end of outer insulation layer, the inner insulation layer has still been wrapped up in the junction of conductive end and power lead, the outer insulation layer includes integrated into one piece's sliding part and guard portion, be provided with the slider on the inner insulation layer, be provided with the spout channel corresponding with the slider in the sliding part, the terminal surface and the guard portion of keeping away from the power lead of sliding part form the ladder groove; the power-on time delay relay connected in series through the power supply lead accurately sets the conduction time limit, and avoids the long-time conduction and power-on of a 'remote signaling' secondary circuit.
Description
Technical Field
The embodiment of the utility model provides a relay protection technical field, concretely relates to take shorting stub of self-timing disconnect-function.
Background
When a power element (such as a generator, a line and the like) in a power system or the power system itself has a fault, which endangers the safe operation of the power system, an automatic measure and equipment which can send out a warning signal to an operation attendant in time or directly send out a tripping command to a controlled breaker to terminate the development of the events are provided. The plant for carrying out such automation measures is generally known as a relay protection device.
The relay protection device plays an important role in safe and stable operation of a power grid, a relay protection professional needs to regularly detect the protection device to judge whether the protection device and a loop are normal or not, a direct transmission switch method can be adopted for checking a remote control secondary loop, a method that a short-circuit wire is short-circuited at two ends of a normally open contact is adopted for checking a remote signaling loop, the optical coupler is conducted at the moment, a CPU detects displacement of a potential, and the corresponding optical character plate of a background machine is monitored to flicker, so that a worker is reminded of the change of the potential, and the secondary loop is proved to be normal.
However, in actual work, whether the secondary circuit is normal is detected, only the short circuit is needed to be conducted at the two ends of the normally open contact in a short time, and the monitoring background machine sends out corresponding light word board flashing signals.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a take shorting stub of self-timing disconnection function, the circular telegram time delay relay who concatenates through the power lead wire, the accurate settlement switches on the time limit, avoids "remote signalling" secondary circuit to switch on the circular telegram for a long time to solve among the prior art because the long-time short circuit switches on and lead to shortening the problem in the life-span of components and parts on the return circuit.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
in the embodiment of the utility model, a short-circuit wire with self-timing disconnection function is provided, which comprises a power supply lead and connecting terminals connected with both ends of the power supply lead, wherein a timing disconnection device is connected in series on the power supply lead, and the timing disconnection device is an electrified delay relay;
the wiring terminal comprises an outer insulating layer and a conductive end wrapped in the outer insulating layer; one end of the conductive end is connected with a power supply lead, and the joint of the conductive end and the power supply lead is also wrapped with an inner insulating layer;
the outer insulating layer comprises a sliding part and a protective part which are integrally formed; a sliding block is arranged on the inner insulating layer, and a sliding groove channel corresponding to the sliding block is arranged in the sliding part;
a stepped groove is formed on one end face of the sliding part, which is far away from the power supply lead, and the protective part.
Optionally, the coil of the power-on delay relay is connected in series with the delay-off normally closed contact through a power supply lead.
Optionally, the conductive end is of a hollow structure; the other end of the conductive end, which is far away from the power supply lead, is provided with a horn-shaped horn mouth; the bell mouth comprises a plurality of strip-shaped petals which are symmetrically arranged.
Optionally, two opposite sides of the inner insulating layer are symmetrically provided with two sliding blocks, and the sliding groove channel comprises two sliding grooves which are symmetrically arranged on the inner side wall of the sliding portion and have an n-shaped structure.
Optionally, the cross section of the stepped groove is circular, and the conductive end is a circular cylinder; the diameter of the cross section of the stepped groove is larger than the diameter of the outer circle of the conductive end.
The utility model discloses an embodiment has following advantage:
(1) the utility model discloses it has circular telegram time delay relay to concatenate on the power lead wire of short circuit, circular telegram time delay relay's coil and time delay disconnection normally closed contact concatenate through the power lead wire, when adopting this short-circuit wire to the inspection of telesignalling return circuit, normally closed contact is closed, after the relay time delay time arrives, normally closed contact disconnection, "telesignalling" secondary circuit automatic disconnection, avoided switching on the circular telegram for a long time, through the settlement to the time relay time, can accurate settlement switch on the time limit;
(2) the utility model discloses a binding post's electrically conductive end protects through outer insulating layer, avoids touching other terminals when the short circuit and takes place the short circuit accident, in addition the utility model discloses a binding post's hollow structure is applicable to the connection of contact pin terminal, and can lock fixedly with the contact pin terminal through the horn mouth on the binding post.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a connection terminal according to an embodiment of the present invention.
In the figure:
1-power supply lead; 2-a wiring terminal; 3-a timed disconnect; 4-a conductive terminal; 5-an inner insulating layer; 6-a sliding part; 7-a guard; 8-a slide block; 9-chute channels; 10-step groove; 11-bell mouth.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.
As shown in figure 1, the utility model provides a shorting stub with self-timing disconnection function, including power supply lead 1 for short circuit and connecting terminal 2 connected at both ends of power supply lead 1, timing disconnection device 3 is connected in series on power supply lead 1, timing disconnection device 3 is an electrified delay relay, the coil of the electrified delay relay is connected in series with a normally closed contact of time-delay disconnection through power supply lead 1, when the shorting stub is adopted for telecommand circuit inspection, the power supply lead with timing disconnection device 3 is inserted on the short contact electricity through connecting terminal 2, the normally closed contact of time-delay disconnection of the electrified delay relay is closed, the coil of the electrified delay relay is electrified, after reaching the delay time of the electrified delay relay, the normally closed contact of time-delay disconnection is disconnected, "telecommand" secondary circuit is automatically disconnected, long-time conduction and electrification are avoided, through setting the time of the electrified delay relay, the on-time limit can be accurately set, and the problem that the short-circuit wire is difficult to check the on-time in the prior art is effectively solved.
In the work of examining surely to substation equipment, it is more to need to detect "remote signalling" return circuit, but the positive power supply in each return circuit is public, therefore will the utility model discloses a shorting stub one end is fixed on the positive power supply of terminal row, and the different remote signalling secondary circuit of other end short circuit in proper order will improve greatly and keep personnel's work efficiency.
As shown in fig. 2, the connecting terminal of the connecting terminal 2 of the present invention is suitable for not only the installation of pin terminals but also the insertion type terminal strip.
Electrically conductive end 4 is ring cylinder structure, electrically conductive end 4's one end is connected power lead 1, electrically conductive end 4 keeps away from the other end of power lead 1 and is provided with horn mouth 11, horn mouth 11 is loudspeaker column structure, consequently, when pegging graft binding post 2 on terminal row or contact pin terminal, the horn mouth 11 through loudspeaker form has effectively strengthened binding post 2 and terminal row or contact pin terminal's installation stability, conveniently carry out short circuit detection operation, electric connection's stability has been strengthened, avoid binding post 2 and short contact bad influence testing result, avoid short time contact to cause electrical components to damage, in addition, horn mouth 11 is provided with a plurality of strip lamellas by the edge to the central bending, it is fixed to peg graft the contact pin at electrically conductive end 4 center through the strip lamella, improve the stability of being connected of electrically conductive end 4 and the contact pin of terminal row or contact pin terminal.
Specifically, binding post 2's electrically conductive end 4 has internal insulation 5 with power lead 1's junction parcel, internal insulation 5 extends along power lead 1, and along with the distance electrically conductive end 4 is more far away, the diameter of internal insulation 5 is more little until laminating power lead 1's surface, can effectively fix power lead 1 with electrically conductive end 4 through internal insulation 5, and effectively protect power lead 1 through internal insulation 5, and more traditional cylindrical insulating layer can avoid long-time use to make power lead 1 and internal insulation 5 junction fracture, extension the utility model discloses the life of shorting stub.
Electrically conductive end 4 and the outer parcel of 5 of internal insulation layers are provided with the external insulation layer, and the external insulation layer cover is established in the 5 outsides of internal insulation, protects electrically conductive end 4 that inside includes, just the utility model discloses an external insulation layer can slide for internal insulation layer 5, avoids hindering electrically conductive end 4 and the grafting of contact pin.
The outer insulating layer comprises a sliding part 6 and a protective part 7 which are integrally formed; a sliding block 8 is arranged on the inner insulating layer 5, and a sliding groove channel 9 corresponding to the sliding block 8 is arranged in the sliding part 6; with the external insulation layer suit on internal insulation layer 5, slider 8 of installation on internal insulation layer 5 slides along the direction of spout channel 9, external insulation layer can slide at the grafting in-process, avoid the external insulation layer to hinder binding post 2 installation, the one end that internal insulation layer 5 set up was kept away from to the external insulation layer is protection portion 7, the terminal surface and the protection portion 7 of keeping away from power lead 1 of sliding portion 6 are formed with ladder groove 10, and the cross section of ladder groove 10 is circular, the diameter of the cross section of ladder groove 10 is greater than the excircle diameter of electrically conductive end 4, treat the grafting completion back, the electrically conductive end 4 parcel of binding post 2 is wherein in protection portion 7 of external insulation layer, thereby avoid bumping in the use mistake and take place the short circuit accident with other terminals.
Two sliding blocks 8 are symmetrically arranged on two opposite sides of the inner insulating layer 5, and the sliding groove channel 9 comprises two sliding grooves which are symmetrically arranged on the inner side wall of the sliding part 6 and are of an n-shaped structure. Inside slider 8 got into the channel along the upper portion opening of spout channel 9, then rotatory internal insulation layer 5 made slider 8 transversely set up the vertical sliding part that the part got into spout channel 9 along the spout channel 9 of n type structure, fixed slider 8 through the spout channel 9 of n type, avoided taking place to drop at slider 8 in the in-process that removes along spout channel 9.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A short-circuit wire with a self-timing disconnection function comprises a power supply lead (1) and wiring terminals (2) connected to two ends of the power supply lead (1), and is characterized in that a timing disconnection device (3) is connected to the power supply lead (1) in series, and the timing disconnection device (3) is an electrified delay relay;
the wiring terminal (2) comprises an outer insulating layer and a conductive end (4) wrapped in the outer insulating layer; one end of the conductive end (4) is connected with the power supply lead (1), and the joint of the conductive end (4) and the power supply lead (1) is also wrapped with an inner insulating layer (5);
the outer insulating layer comprises a sliding part (6) and a protective part (7) which are integrally formed; a sliding block (8) is arranged on the inner insulating layer (5), and a sliding groove channel (9) corresponding to the sliding block (8) is arranged in the sliding part (6);
a stepped groove (10) is formed on one end face of the sliding part (6) far away from the power supply lead (1) and the protection part (7).
2. A shorting stub with self-timed disconnect function according to claim 1, wherein the coil of the energized time delay relay is connected in series with the time-delayed normally closed contact by a power supply lead (1).
3. A short-circuiting wire with self-timed disconnection function according to claim 1, characterised in that said conductive end (4) is of hollow structure; the other end of the conductive end (4) far away from the power supply lead (1) is provided with a horn-shaped horn mouth (11); the bell mouth (11) comprises a plurality of strip-shaped petals which are symmetrically arranged.
4. The shorting stub with self-timing disconnection function as claimed in claim 1, wherein two sliding blocks (8) are symmetrically arranged on two opposite sides of the inner insulating layer (5), and the sliding groove channel (9) comprises two sliding grooves of n-shaped structure symmetrically arranged on the inner side wall of the sliding part (6).
5. A short-circuiting wire with self-timing disconnection function according to claim 1, wherein said stepped groove (10) is circular in cross section, and said conductive end (4) is a circular cylindrical body; the diameter of the cross section of the stepped groove (10) is larger than the diameter of the outer circle of the conductive end (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921272932.6U CN210016053U (en) | 2019-08-07 | 2019-08-07 | Area is from jumper wire of timing disconnection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921272932.6U CN210016053U (en) | 2019-08-07 | 2019-08-07 | Area is from jumper wire of timing disconnection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210016053U true CN210016053U (en) | 2020-02-04 |
Family
ID=69319929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921272932.6U Active CN210016053U (en) | 2019-08-07 | 2019-08-07 | Area is from jumper wire of timing disconnection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210016053U (en) |
-
2019
- 2019-08-07 CN CN201921272932.6U patent/CN210016053U/en active Active
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