CN212485106U - Current transformer with limiting function - Google Patents
Current transformer with limiting function Download PDFInfo
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- CN212485106U CN212485106U CN202021788214.7U CN202021788214U CN212485106U CN 212485106 U CN212485106 U CN 212485106U CN 202021788214 U CN202021788214 U CN 202021788214U CN 212485106 U CN212485106 U CN 212485106U
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- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a current transformer with limiting function, which comprises a transformer body, wherein the top end of the transformer body is fixedly connected with a limiting pillar at equal angles, the inner side of the limiting pillar is slidably connected with a sliding rod, the sliding rod is positioned at the outer side of the position at one side of the limiting pillar and is sleeved with a spring, one end of a blocking base is fixedly connected with a rubber limiting block, the utility model has the advantages of scientific and reasonable structure and safe and convenient use, and is provided with the transformer body, the limiting pillar, the sliding rod, the spring and the rubber limiting block, when a monitored wire passes through the transformer, the sliding rod is pulled in sequence, the monitored wire can be extruded and concentrated at the middle position of the transformer, the position of the monitored wire is prevented from being disorderly deviated, the inner space of the rubber limiting block can be adjusted through the spring and a sliding pin, and the rubber limiting block and the spring can generate a buffering effect on the conducting wire.
Description
Technical Field
The utility model relates to a mutual-inductor technical field specifically is a current transformer with limit function.
Background
The current transformer is an instrument for converting a large primary side current into a small secondary side current according to the electromagnetic induction principle to measure, consists of a closed iron core and a winding, can be used for monitoring a current load protection circuit, and is generally matched with a multifunctional ammeter to use;
however, when a monitored wire passes through the current transformer, the wire passes through the current transformer randomly, and is disorderly, and a limiting mechanism for the wire is absent, so that the situation of inaccurate measurement can occur during measurement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a current transformer with limit function can effectively solve current transformer that proposes in the above-mentioned background art when passing the mutual-inductor by the monitoring wire, and the wire is walked wantonly and is crossed, and is randomly arranged, lacks the stop gear to the wire, leads to measuring the problem of the unsafe condition can appear when measuring.
In order to achieve the above object, the utility model provides a following technical scheme: a current transformer with a limiting function is characterized in that a limiting strut (2) is fixedly connected to the top end of a transformer body (1) at an equal angle, a sliding rod (3) is connected to the inner side of the limiting strut (2) in a sliding mode, a spring (4) is sleeved on the outer side of the sliding rod (3), a blocking base (5) is fixedly connected to the position, on the same side of one end of the sliding rod (3) and the spring (4), of the sliding rod, and a rubber limiting block (6) is fixedly connected to one end of the blocking base (5);
the utility model discloses a mutual inductor, including mutual-inductor body, inboard bottom fixedly connected with wire interface of box, slip chamber has been seted up to the inboard of box, the inboard one end fixedly connected with fixed clamp splice of box, the inboard sliding connection in slip chamber has the slip clamp splice, the one end fixedly connected with clamp splice spring of slip clamp splice, the one end of slip clamp splice (11) is located clamp splice spring (12) one side position department fixedly connected with slide pin (13), the one end fixedly connected with pulling block of slide pin.
Preferably, the number of the limiting support columns is four, sliding holes are formed in the positions, corresponding to the sliding rods, of the tops of the four limiting support columns, the sliding rods are connected with the limiting support columns in a sliding mode through the sliding holes, and the other ends of the sliding rods (3) are fixedly connected with pulling discs.
Preferably, the inner side of the mutual inductor body is provided with two wire shuttling holes, the top ends of the two wire plugging boxes are provided with wire holes, and the two wire plugging boxes are symmetrically arranged at the edge end of the mutual inductor body.
Preferably, the side length of the sliding clamping block is equal to that of the sliding cavity, and one end of each of the sliding clamping block and the fixed clamping block is fixedly connected with the rubber anti-skid pad.
Preferably, the outside fixedly connected with supporting shoe of mutual-inductor body, unable adjustment base has been cup jointed in the outside of supporting shoe, the fixed orifices has all been seted up at unable adjustment base's both ends, unable adjustment base's top both sides fixedly connected with rotates the sleeve, the inboard rotation of rotating the sleeve is connected with the axis of rotation, the equal fixedly connected with constant head tank of one end both sides limit portion of unable adjustment base, the locating piece has been inserted to the inboard of constant head tank, and the locating piece is located constant head tank bottom inboard position department and has run through and have inserted the locating pin.
Preferably, the fixed base is fixedly connected with the external distribution box through a fixed hole and a screw, the fixed base and the positioning block are provided with positioning holes at positions corresponding to the positioning pins, the positioning pins are connected with the fixed base and the positioning block in a sliding mode through the positioning holes, and a top cover plate is fixedly connected to one side of the rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:
1. be provided with the mutual-inductor body, spacing pillar, the slide bar, a spring, separation base and rubber stopper, stimulate the slide bar in proper order when passing the mutual-inductor by the monitored conductor, can make and concentrate on the middle part position department of mutual-inductor by the extrusion by the monitored conductor, prevent to influence monitoring effect by the disorderly skew of monitored conductor position, can adjust the inner space of rubber stopper through spring and sliding pin, be used for monitoring the wire of different specification thicknesses, and rubber stopper and spring can produce cushioning effect to the wire, prevent that hard extrusion from causing the damage to the wire.
2. Be provided with the box of inserting the line, the wire interface, the slip chamber, fixed clamp splice, the slip clamp splice, the clamp splice spring, slip round pin and pulling piece, can insert the wire in the wire interface of bottom from top wire hole through the pulling slip round pin, can make things convenient for the fixed connection and the dismantlement of wire, improve work efficiency, and the top of slip clamp splice and fixed clamp splice all is fixed with unsmooth type insulating rubber pad and has increased the area of contact of wire with anchor clamps, prevent that the wire from producing in the box of inserting the line and rocking, lead to contact failure.
3. Be provided with unable adjustment base, fixed orifices, rotating sleeve, axis of rotation, constant head tank, locating piece, locating pin and supporting shoe, unable adjustment base passes through screw and outside block terminal fixed connection, when needs maintain the change to the mutual-inductor, can dismantle the mutual-inductor body through extracting that the locating pin is quick, and need not wholly demolish whole mutual-inductor, then maintain the change to the mutual-inductor body of tearing down, and is simple swift.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the junction box of the present invention;
FIG. 3 is a schematic view of the installation structure of the supporting block of the present invention;
fig. 4 is a schematic view of the mounting structure of the fixing base of the present invention;
reference numbers in the figures: 1. a transformer body; 2. a limiting strut; 3. a slide bar; 4. a spring; 5. a barrier base; 6. a rubber stopper; 7. a wire plugging box; 8. a wire interface; 9. a sliding cavity; 10. fixing the clamping block; 11. a sliding clamping block; 12. a clamp block spring; 13. a slide pin; 14. pulling the block; 15. a fixed base; 16. a fixing hole; 17. rotating the sleeve; 18. a rotating shaft; 19. positioning a groove; 20. positioning blocks; 21. positioning pins; 22. and (7) a supporting block.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-4, the utility model provides a technical scheme, a current transformer with spacing function, including mutual-inductor body 1, the top of mutual-inductor body 1 is equiangular fixedly connected with spacing pillar 2, the inboard sliding connection of spacing pillar 2 has slide bar 3, spacing pillar 2 has four, the top of four spacing pillars 2 and the corresponding position department of slide bar 3 have all seted up the slip hole, slide bar 3 is through sliding hole and spacing pillar 2 sliding connection, and the other end fixedly connected with pulling disc of slide bar 3, be convenient for pull slide bar 3 fixed wire, spring 4 has been cup jointed to the outside that slide bar 3 is located the position department of one side of spacing pillar 2, the one end of slide bar 3 and spring 4 homonymy position department fixedly connected with separation base 5, the one end fixedly connected with rubber stopper 6 of separation base 5;
the wire inserting boxes 7 are symmetrically installed on the outer side of the mutual inductor body 1, the inner side of the mutual inductor body 1 is provided with a wire shuttling hole, the number of the wire inserting boxes 7 is two, the top ends of the two wire inserting boxes 7 are respectively provided with a wire guide hole, the two wire inserting boxes 7 are symmetrically installed at the edge end of the mutual inductor body 1 to facilitate wire shuttling and fixing, the bottom of the inner side of each wire inserting box 7 is fixedly connected with a wire interface 8, the inner side of each wire inserting box 7 is provided with a sliding cavity 9, one end of the inner side of each wire inserting box 7 is fixedly connected with a fixed clamping block 10, the inner side of each sliding cavity 9 is slidably connected with a sliding clamping block 11, the side length of each sliding clamping block 11 is equal to the side length of the corresponding sliding cavity 9, one ends of the sliding clamping block 11 and the fixed clamping block 10 are respectively fixedly connected with a rubber anti-skid pad to facilitate sliding of the sliding clamping block 11 and fixing of a wire, one, one end of the slide pin 13 is fixedly connected with a pulling block 14.
Mutual-inductor body 1's outside fixedly connected with supporting shoe 22, unable adjustment base 15 has been cup jointed in the outside of supporting shoe 22, fixed orifices 16 have all been seted up at unable adjustment base 15's both ends, unable adjustment base 15's top both sides fixedly connected with rotating sleeve 17, rotating sleeve 17's inboard rotation is connected with axis of rotation 18, the equal fixedly connected with constant head tank 19 of one end both sides limit portion of unable adjustment base 15, locating piece 20 has been inserted to constant head tank 19's inboard, unable adjustment base 15 and locating piece 20 correspond position department with locating piece 21 and have all seted up the locating hole, locating piece 21 passes through locating hole and 15 and 20 sliding connection of locating piece, make things convenient for fixed mutual-inductor body 1, locating piece 20 is located the inboard position department in constant head tank 19 bottom and runs through and has inserted locating piece 21, unable adjustment base 15 passes through fixed orifices.
The utility model discloses a theory of operation and use flow: firstly, a fixing base 15 is screwed and fixed at a required position through a screw passing through a fixing hole 16, then a supporting block 22 is placed on the inner side of the fixing base 15, then a positioning pin 21 is inserted into the inner sides of a positioning block 20 and the supporting block 22, and after the mutual inductor body 1 is fixed, a monitored lead starts to be inserted;
then, stimulate the slide bar 3 in proper order, drive the separation base 5 through the slide bar 3, then compression spring 4, the orderly space in the middle of passing rubber stopper 6 of the wire that will be monitored, then, can press from both sides by the monitoring wire extrusion after loosening the slide bar 3 and press from both sides tightly in rubber stopper 6 inboard, prevent to be monitored that the wire position is disorderly squinted and is influenced monitoring effect, and can adjust the inner space of rubber stopper 6 through spring 4 and slide bar 3, be used for monitoring the wire of different specification thicknesses, and rubber stopper 6 and spring 4 can produce cushioning effect to the wire, prevent that hard extrusion from causing the damage to the wire;
then, a ground wire lead can be inserted into the lead interface 8 at the bottom from the top lead hole by pulling the sliding pin 13, then the sliding clamping block 11 can be extruded to one side of the lead by loosening the clamping block spring 12 of the sliding pin 13 for fixing the lead, and concave-convex insulating rubber pads are fixed at the top ends of the sliding clamping block 11 and the fixed clamping block 10, so that the contact area between the lead and a clamp is increased, the lead is clamped more stably, and the lead is prevented from shaking in the plug box 7;
finally, when the mutual inductor needs to be maintained and replaced, the mutual inductor can be rapidly disassembled by pulling out the positioning pin 21, and then the maintained or new mutual inductor body 1 is put into the fixed base 15 again, so that time is wasted in disassembling and replacing the whole mutual inductor at each time.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a current transformer with limit function, includes mutual-inductor body (1), its characterized in that: the top end of the mutual inductor body (1) is fixedly connected with a limiting strut (2) at an equal angle, the inner side of the limiting strut (2) is connected with a sliding rod (3) in a sliding mode, a spring (4) is sleeved on the outer side of the sliding rod (3), one end of the sliding rod (3) is fixedly connected with a blocking base (5) at the same side position with the spring (4), and one end of the blocking base (5) is fixedly connected with a rubber limiting block (6);
the utility model discloses a mutual inductor, including mutual inductor body (1), inboard bottom fixedly connected with wire interface (8) of box (7) are inserted to the outside symmetry of mutual inductor body (1), slip chamber (9) have been seted up to the inboard of box (7), inboard one end fixedly connected with fixed clamp splice (10) of box (7) are inserted, the inboard sliding connection in slip chamber (9) has slip clamp splice (11), the one end fixedly connected with clamp splice spring (12) of slip clamp splice (11), the one end of slip clamp splice (11) is located clamp splice spring (12) one side position department fixedly connected with slip round pin (13), the one end fixedly connected with pulling block (14) of slip round pin (13).
2. The current transformer with limiting function according to claim 1, characterized in that: the limiting support columns (2) are four, sliding holes are formed in the positions, corresponding to the sliding rods (3), of the tops of the four limiting support columns (2), the sliding rods (3) are connected with the limiting support columns (2) in a sliding mode through the sliding holes, and the other ends of the sliding rods (3) are fixedly connected with pulling discs.
3. The current transformer with limiting function according to claim 1, characterized in that: the inner side of the mutual inductor body (1) is provided with two wire shuttling holes, the two wire plugging boxes (7) are provided with wire holes, the top ends of the two wire plugging boxes (7) are provided with wire holes, and the two wire plugging boxes (7) are symmetrically arranged at the edge end of the mutual inductor body (1).
4. The current transformer with limiting function according to claim 1, characterized in that: the side length of the sliding clamping block (11) is equal to that of the sliding cavity (9), and one ends of the sliding clamping block (11) and the fixed clamping block (10) are fixedly connected with rubber anti-skid pads.
5. The current transformer with limiting function according to claim 1, characterized in that: the outer side fixedly connected with supporting shoe (22) of mutual-inductor body (1), unable adjustment base (15) have been cup jointed in the outside of supporting shoe (22), fixed orifices (16) have all been seted up at the both ends of unable adjustment base (15), the top both sides fixedly connected with of unable adjustment base (15) rotates sleeve (17), the inboard rotation of rotating sleeve (17) is connected with axis of rotation (18), the equal fixedly connected with constant head tank (19) of one end both sides limit portion of unable adjustment base (15), locating piece (20) have been inserted to the inboard of constant head tank (19), and locating piece (20) are located constant head tank (19) bottom inboard position department and have run through and have inserted locating pin (21).
6. The current transformer with limiting function according to claim 5, characterized in that: fixing base (15) pass through fixed orifices (16) and screw and outside block terminal fixed connection, and fixing base (15) and locating piece (20) correspond position department with locating pin (21) and have all seted up the locating hole, locating pin (21) pass through locating hole and fixing base (15) and locating piece (20) sliding connection, one side fixedly connected with top apron of axis of rotation (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021788214.7U CN212485106U (en) | 2020-08-25 | 2020-08-25 | Current transformer with limiting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021788214.7U CN212485106U (en) | 2020-08-25 | 2020-08-25 | Current transformer with limiting function |
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| Publication Number | Publication Date |
|---|---|
| CN212485106U true CN212485106U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021788214.7U Active CN212485106U (en) | 2020-08-25 | 2020-08-25 | Current transformer with limiting function |
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| CN (1) | CN212485106U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220639A (en) * | 2021-12-01 | 2022-03-22 | 保定天威互感器有限公司 | A New Type of Current Transformer for Realizing Current Ratio |
| CN116973687A (en) * | 2023-08-02 | 2023-10-31 | 广东电网有限责任公司阳江供电局 | Power supply branch line leakage monitoring device |
| CN119252628A (en) * | 2024-12-05 | 2025-01-03 | 浙江华波互感器有限公司 | Current transformer |
-
2020
- 2020-08-25 CN CN202021788214.7U patent/CN212485106U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220639A (en) * | 2021-12-01 | 2022-03-22 | 保定天威互感器有限公司 | A New Type of Current Transformer for Realizing Current Ratio |
| CN116973687A (en) * | 2023-08-02 | 2023-10-31 | 广东电网有限责任公司阳江供电局 | Power supply branch line leakage monitoring device |
| CN119252628A (en) * | 2024-12-05 | 2025-01-03 | 浙江华波互感器有限公司 | Current transformer |
| CN119252628B (en) * | 2024-12-05 | 2025-03-07 | 浙江华波互感器有限公司 | A current transformer |
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