CN220065328U - Outdoor current transformer - Google Patents
Outdoor current transformer Download PDFInfo
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- CN220065328U CN220065328U CN202321469871.9U CN202321469871U CN220065328U CN 220065328 U CN220065328 U CN 220065328U CN 202321469871 U CN202321469871 U CN 202321469871U CN 220065328 U CN220065328 U CN 220065328U
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- Prior art keywords
- transformer
- cable
- current transformer
- main body
- outdoor current
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 238000004804 winding Methods 0.000 claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000007654 immersion Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to the technical field of transformers, in particular to an outdoor current transformer, which comprises a transformer body, a cable waterproof connector and an insulating cable, wherein the transformer body is of an integrated structure and comprises a transformer shell, the transformer shell is made of stainless steel or ABS plastic, an insulating resin layer is arranged in the transformer shell, an iron core is embedded in the insulating resin layer, a winding coil is wound on the iron core, a connecting hole is formed in the transformer body, the cable waterproof connector is arranged in the connecting hole, one end of the insulating cable is arranged in the cable waterproof connector and is connected with the winding coil, and the technical problems that in the prior art, the insulating effect of the current transformer is weakened or invalid due to long-term ultraviolet irradiation of the insulating resin, accidents occur due to short circuit of a connecting terminal caused by rain or immersion of the current transformer, and the current transformer is affected with low conversion precision, low stability and even cannot normally work due to the fact that the iron core is exposed in the air are solved.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to an outdoor current transformer.
Background
The current transformer is an instrument for converting primary side large current into secondary side small current according to an electromagnetic induction principle to measure.
The current outdoor current transformer generally uses insulating resin to pour and forms, but because in outdoor use, insulating resin receives the ultraviolet irradiation for a long time and can take place the fracture, lead to insulation breakdown, make current transformer insulation effect weaken or fail, simultaneously, outdoor current transformer is placed for a long time in the ground that does not have the shielding or place in the cable pit, meet rainy weather, binding post can take place binding post short circuit because drenching or soaking, thereby lead to the emergence of incident, and, current outdoor current transformer is generally open-close type structure, when using, the iron core can contact the moisture in the air and get damp and rust, thereby lead to current transformer conversion precision to become low, stability reduces, even unable normal work.
Disclosure of Invention
The embodiment of the utility model aims to provide an outdoor current transformer, which is used for solving the technical problems that in the prior art, insulation resin is subjected to ultraviolet irradiation for a long time to crack, so that insulation breakdown is caused, insulation effect of the current transformer is weakened or invalid, a wiring terminal is short-circuited because the wiring terminal is drenched or soaked, safety accidents are caused, and an iron core is wetted and rusted because the iron core is contacted with moisture in the air when the open-close type outdoor current transformer is used, so that transformation precision of the current transformer is low, stability is reduced, and even normal operation cannot be performed.
In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:
the embodiment of the utility model provides an outdoor current transformer, which comprises a transformer body, a cable waterproof connector and an insulated cable for connecting external equipment;
the transformer body is of an integrated structure and comprises a transformer shell, wherein the transformer shell is made of stainless steel or ABS plastic, an insulating resin layer is arranged in the transformer shell, an iron core is buried in the insulating resin layer, and at least one winding coil is uniformly wound on the iron core;
a connecting hole is formed in the first side face of the transformer body, and the cable waterproof connector is installed in the connecting hole;
one end of the insulated cable is arranged in the cable waterproof joint and connected with the winding coil, and the other end of the insulated cable is used for being connected with external equipment.
In the outdoor current transformer provided by the embodiment of the utility model, the primary cable through hole is formed in the transformer body along the width direction of the transformer body, and the primary cable through hole is used for allowing a primary cable to pass through.
In the outdoor current transformer according to the embodiment of the utility model, the primary cable through hole is circular, elliptical or rectangular.
In the outdoor current transformer provided by the embodiment of the utility model, the waterproof cable joint comprises a joint main body, a straight-through clamping head, clamping claws, nuts and a tightening nut;
the top end of the connector main body is provided with a top external thread, the bottom end of the connector main body is provided with a bottom external thread, the connector main body is provided with a connecting through hole from the top end of the connector main body to the bottom end of the connector main body, and the bottom end of the connector main body is fixedly connected with the connecting hole;
the bottom ends of the clamping claws are arranged in the connecting through holes and are movably connected with the top ends of the joint main bodies;
the straight-through type clamping head is embedded into the clamping claw;
the nut is in threaded connection with the joint main body through the bottom external thread;
the tightening nut is in threaded connection with the joint main body through the top external thread.
In the outdoor current transformer provided by the embodiment of the utility model, the joint main body, the nut and the tightening nut are made of brass nickel plating or stainless steel, and the through type clamping head and the clamping claw are made of nitrile rubber.
The outdoor current transformer provided by the embodiment of the utility model further comprises a silica gel sleeve, wherein the silica gel sleeve is sleeved on the outer surface of the transformer shell.
In the outdoor current transformer according to the embodiment of the utility model, the outdoor current transformer further comprises a mounting insert, wherein the mounting insert is embedded into the second side surface of the transformer body, and the second side surface and the first side surface are two opposite surfaces.
In the outdoor current transformer provided by the embodiment of the utility model, the insulated cable is a crosslinked polyethylene insulated cable or a crosslinked polyvinyl chloride insulated cable.
In the outdoor current transformer provided by the embodiment of the utility model, each winding coil is provided with two wire outlet ends, copper cores are arranged in the insulated cable, the number of the copper cores is equal to that of the wire outlet ends, and each copper core is connected with one wire outlet end.
In the outdoor current transformer according to the embodiment of the utility model, the insulating resin layer is made of epoxy resin.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
according to the technical scheme, the insulating resin layer is arranged in the transformer shell, the transformer shell is made of stainless steel or ABS plastic, the technical problems that insulating resin is subjected to ultraviolet irradiation for a long time to crack and cause insulation breakdown, so that the insulating effect of the current transformer is weakened or invalid in the prior art are solved, the cable waterproof connector is arranged on the transformer body, one end of the insulating cable is arranged in the cable waterproof connector and connected with the winding coil, the cable waterproof connector and the insulating cable serve as wiring terminals, the technical problem that accidents occur due to short circuit of the wiring terminals caused by rain or soaking is solved, meanwhile, the iron core is isolated from the outside of the transformer body through the integral structure, and the technical problems that the switching type current transformer is low in conversion accuracy, low in stability and even incapable of working normally due to moisture in the fact that the iron core contacts with air are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below, the drawings are not intended to be drawn to scale, and in the interest of clarity, not every component is labeled in every drawing. The drawings in the following description are only examples of embodiments of the present utility model and other drawings may be made from these drawings by those skilled in the art without undue burden. Wherein:
fig. 1 is a schematic structural diagram of an outdoor current transformer according to an embodiment of the present utility model.
Fig. 2 is an exploded view of a waterproof cable joint according to an embodiment of the present utility model.
Description of the reference numerals
10-mutual inductor shell 11-insulating resin layer 12-iron core
13-winding coil 14-primary cable through hole 15-outlet end
20-waterproof connector 21-connector main body 22-through clamping head for cable
23-clamping jaw 24-nut 25-tightening nut
30-insulated cable 31-copper core 40-mounting insert
100-outdoor current transformer
Detailed Description
The embodiment of the utility model provides an outdoor current transformer, which is used for solving the technical problems that in the prior art, insulation resin is subjected to ultraviolet irradiation for a long time to crack, so that insulation breakdown is caused, insulation effect of the current transformer is weakened or invalid, a wiring terminal is short-circuited because the wiring terminal is exposed to rain or soaked, safety accidents are caused, and an iron core contacts moisture in air to generate damp and rust when the open-close current transformer is used, so that transformation precision of the current transformer is low, stability is reduced, and even normal operation cannot be realized.
The conception of the embodiment of the utility model is that the insulating resin layer is arranged in the transformer shell, the material of the transformer shell is stainless steel or ABS plastic, the technical problems that the insulating effect of the current transformer is weakened or invalid because the insulating resin is cracked due to long-term irradiation of ultraviolet rays are solved, the cable waterproof connector is arranged on the transformer body, one end of the insulating cable is arranged in the cable waterproof connector and is connected with the winding coil, the technical problems that the accident occurs because the connecting terminal is short-circuited due to rain or soaking are solved through the cable waterproof connector and the insulating cable, and meanwhile, the iron core is isolated from the outside of the transformer body due to the fact that the iron core contacts moisture in the air to rust when the open-close type current transformer is used are avoided, and the technical problems that the transformation precision of the current transformer is low, the stability is reduced and even the current transformer cannot work normally are solved.
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
The embodiment of the utility model provides an outdoor current transformer 100. As shown in fig. 1 and 2, the outdoor current transformer 100 includes a transformer body, a waterproof cable joint 20, and an insulated cable 30 for connecting external devices.
The transformer body is of an integrated structure and comprises a transformer shell 10, the transformer shell 10 is made of stainless steel or ABS plastic, an insulating resin layer 11 is arranged in the transformer shell 10, an iron core 12 is embedded in the insulating resin layer 11, and at least one winding coil 13 is uniformly wound on the iron core 12.
The transformer body can be rectangular, circular or elliptical.
Wherein the insulating resin layer 11 may be poured into the transformer housing 10.
The iron core 12 may be rectangular, circular or oval, the specific shape of the iron core 12 is matched with the shape of the transformer body, and the material of the iron core 12 may be cold-rolled silicon steel sheet, permalloy or iron-based ultracrystalline.
A connecting hole is formed in the first side face of the transformer body, and a cable waterproof connector 20 is installed in the connecting hole.
As shown in fig. 1, the first side surface is an upper end surface of the transformer body.
Wherein the shape of the connection hole matches the shape of the bottom end of the joint main body 21.
One end of the insulated cable 30 is installed in the cable waterproofing joint 20 and connected to the winding coil 13, and the other end of the insulated cable 30 is used for connection with external equipment.
The connection mode between the insulated cable 30 and the winding coil 13 may be welding, and the insulated cable 30 is clamped inside the cable waterproof joint 20 through the cable waterproof joint 20 to play a waterproof role.
In some embodiments, the transformer body is provided with a primary cable through hole 14 along a width direction of the transformer body, and the primary cable through hole 14 is used for passing a primary cable.
In some embodiments, the primary cable through hole 14 is circular, oval, or rectangular.
When the number of primary cables passing through the primary cable through holes 14 is 1, the primary cable through holes 14 are circular, when the number of primary cables passing through the primary cable through holes 14 is plural, the primary cable through holes 14 are elliptical, and when the primary cables passing through the primary cable through holes 14 are copper bars and insulated, the primary cable through holes 14 are rectangular.
In some embodiments, the cable watertight connector 20 includes a connector body 21, a through-type clamping head 22, clamping jaws 23, a nut 24, and a tightening nut 25; the top end of the joint main body 21 is provided with a top external thread, the bottom end of the joint main body 21 is provided with a bottom external thread, the joint main body 21 is provided with a connecting through hole from the top end of the joint main body 21 to the bottom end of the joint main body 21, and the bottom end of the joint main body 21 is fixedly connected with the connecting hole; the bottom end of the clamping claw 23 is arranged in the connecting through hole and is movably connected with the top end of the joint main body 21; the through-type clamping head 22 is embedded into the clamping claw 23; the nut 24 is in threaded connection with the joint main body 21 through bottom external threads; the tightening nut 25 is screwed to the joint main body 21 by a top external thread.
Wherein the nut 24 is screw-coupled with the bottom end of the joint body 21 by the bottom end external screw thread and abuts against the inner surface of the transformer housing 10 to promote tightness.
Wherein, the tightening nut 25 is connected with the top end of the connector main body 21 through the top end external thread, and in the screwing process, the through type clamping head 22 and the clamping claw 23 are tightened to fasten the insulated cable 30, and when the tightening nut 25 is screwed to be abutted with the outer surface of the transformer housing 10, the fastening effect is optimal.
In some embodiments, the materials of the joint body 21, the nut 24, and the tightening nut 25 are brass nickel plated or stainless steel, and the materials of the through-type clamping head 22 and the clamping jaw 23 are nitrile rubber.
In some embodiments, a silicone sleeve is further included, the silicone sleeve being disposed over the outer surface of the transformer housing 10.
When the material of the transformer housing 10 is ABS plastic, a silica gel sleeve is sleeved on the outer surface of the transformer housing, and the silica gel sleeve is used for protecting the transformer housing 10 of ABS plastic.
In some embodiments, the mounting insert 40 is further included, the mounting insert 40 being embedded in a second side of the transformer body, the second side being opposite the first side.
The second side is, as shown in fig. 1, a lower side of the transformer body.
In some embodiments, the insulated cable 30 is a crosslinked polyethylene insulated cable or a crosslinked polyvinyl chloride insulated cable.
In some embodiments, each winding coil 13 is provided with two wire outlet ends 15, and copper cores 31 are arranged in the insulated cable 30, the number of the copper cores 31 is equal to that of the wire outlet ends 15, and each copper core 31 is connected with one wire outlet end 15 in a one-to-one correspondence manner.
When the number of the winding coils 13 is one, the number of the wire outlets 15 is two, at this time, the copper cores 31 are two, the two copper cores 31 are connected with the two wire outlets 15 in a one-to-one correspondence manner, when the number of the winding coils 13 is two, the number of the wire outlets 15 is four, at this time, the copper cores 31 are four, the four copper cores 31 are connected with the four wire outlets 15 in a one-to-one correspondence manner, when the number of the winding coils 13 is three, the number of the wire outlets 15 is six, at this time, the copper cores 31 are six, and the six copper cores 31 are connected with the six wire outlets 15 in a one-to-one correspondence manner.
In some embodiments, the material of the insulating resin layer 11 is epoxy.
In summary, according to the outdoor current transformer 100 provided by the embodiment of the utility model, the insulating resin layer 11 is arranged in the transformer housing 10, and the transformer housing 10 is made of stainless steel or ABS plastic, so that the technical problems of insulation breakdown and weakening or invalidation of the insulation effect of the current transformer caused by long-term ultraviolet irradiation of the insulating resin in the prior art are solved, the waterproof cable connector 20 is arranged on the transformer body, one end of the insulating cable 30 is arranged in the waterproof cable connector 20 and connected with the winding coil 13, and the waterproof cable connector 20 and the insulating cable 30 serve as connecting terminals, so that the technical problem of accident occurrence caused by short circuit of the connecting terminals due to rain or soaking is solved, meanwhile, the transformer body is arranged into an integrated structure, so that the iron core 12 is isolated from the outside of the transformer body, and the technical problems of low conversion precision, low stability and even incapacity of normal operation of the current transformer caused by the damp exposure of the iron core 12 to the air are avoided.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The outdoor current transformer provided by the embodiment of the utility model is described in detail, and specific examples are applied to the description of the principle and the implementation mode of the utility model, and the description of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The outdoor current transformer is characterized by comprising a transformer body, a cable waterproof joint and an insulated cable for connecting external equipment;
the transformer body is of an integrated structure and comprises a transformer shell, wherein the transformer shell is made of stainless steel or ABS plastic, an insulating resin layer is arranged in the transformer shell, an iron core is buried in the insulating resin layer, and at least one winding coil is uniformly wound on the iron core;
a connecting hole is formed in the first side face of the transformer body, and the cable waterproof connector is installed in the connecting hole;
one end of the insulated cable is arranged in the cable waterproof joint and connected with the winding coil, and the other end of the insulated cable is used for being connected with external equipment.
2. The outdoor current transformer according to claim 1, wherein a primary cable through hole is provided in the transformer body along a width direction of the transformer body, the primary cable through hole being for a primary cable to pass through.
3. The outdoor current transformer of claim 2, wherein the primary cable through hole is circular, oval or rectangular.
4. The outdoor current transformer of claim 1, wherein the waterproof cable joint comprises a joint body, a through-type clamping head, clamping claws, nuts and a tightening nut;
the top end of the connector main body is provided with a top external thread, the bottom end of the connector main body is provided with a bottom external thread, the connector main body is provided with a connecting through hole from the top end of the connector main body to the bottom end of the connector main body, and the bottom end of the connector main body is fixedly connected with the connecting hole;
the bottom ends of the clamping claws are arranged in the connecting through holes and are movably connected with the top ends of the joint main bodies;
the straight-through type clamping head is embedded into the clamping claw;
the nut is in threaded connection with the joint main body through the bottom external thread;
the tightening nut is in threaded connection with the joint main body through the top external thread.
5. The outdoor current transformer of claim 4, wherein the joint body, the nut and the tightening nut are made of brass nickel plated or stainless steel, and the straight-through type clamping head and the clamping claw are made of nitrile rubber.
6. The outdoor current transformer of claim 1, further comprising a silicone sleeve disposed over an outer surface of the transformer housing.
7. The outdoor current transformer of claim 1, further comprising a mounting insert embedded in a second side of the transformer body, the second side being opposite the first side.
8. The outdoor current transformer of claim 1, wherein the insulated cable is a crosslinked polyethylene insulated cable or a crosslinked polyvinyl chloride insulated cable.
9. The outdoor current transformer of claim 1, wherein each winding coil is provided with two wire outlet ends, copper cores are arranged in the insulated cable, the number of the copper cores is equal to the number of the wire outlet ends, and each copper core is connected with one wire outlet end.
10. The outdoor current transformer of claim 1, wherein the insulating resin layer is made of epoxy resin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321469871.9U CN220065328U (en) | 2023-06-09 | 2023-06-09 | Outdoor current transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321469871.9U CN220065328U (en) | 2023-06-09 | 2023-06-09 | Outdoor current transformer |
Publications (1)
Publication Number | Publication Date |
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CN220065328U true CN220065328U (en) | 2023-11-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321469871.9U Active CN220065328U (en) | 2023-06-09 | 2023-06-09 | Outdoor current transformer |
Country Status (1)
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CN (1) | CN220065328U (en) |
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2023
- 2023-06-09 CN CN202321469871.9U patent/CN220065328U/en active Active
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