CN211699986U - Open type residual current transformer combination mechanism - Google Patents
Open type residual current transformer combination mechanism Download PDFInfo
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- CN211699986U CN211699986U CN202020853346.7U CN202020853346U CN211699986U CN 211699986 U CN211699986 U CN 211699986U CN 202020853346 U CN202020853346 U CN 202020853346U CN 211699986 U CN211699986 U CN 211699986U
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Abstract
The utility model discloses an open type residual current transformer combination mechanism, including shell and orientation module, the inside of shell is provided with magnetic core and coil, and magnetic core fixed mounting inside the magnetic core, and even winding has the coil on the magnetic core, and forms into the glue surface course through filling sealed glue between magnetic core and the shell, and the shell is provided with two relatively, and the department of opening and shutting both sides homogeneous phase butt weld of the outer terminal surface of shell has orientation module. The utility model discloses can improve the accuracy and the compactness of open type induction core butt joint installation, improve the work efficiency and the yield of installation.
Description
Technical Field
The utility model relates to an open-type residual current transformer's integrated configuration technical field especially relates to an open-type residual current transformer integrated configuration.
Background
The response magnetic core is not a inclosed whole, there is the air gap, magnetic circuit impedance has been increased, magnetic circuit efficiency has been reduced, accomplish completely laminating behind the opening very hardly, certain gap can be left at the contact surface of magnetic core, thereby produce great magnetic leakage, influence to response effect and precision is very big, current open type residual current transformer adopts and cuts into two halves to the magnetic core earlier, the mode of equipment again respectively, it pairs the difficulty to lead to the fact the magnetic core very easily like this, upper and lower part magnetic core contact is inseparable, cause the defective percentage high, work efficiency is low, seriously influence measurement accuracy, current open type residual current transformer's shell all is directly to open and shut with the buckle fixed, long-time opening and shutting, magnetic core part produces the displacement about can leading to the fact, seriously influence measurement accuracy, the lead wire of output is easy to fracture simultaneously, influence product life.
Therefore, there is a need for an open type residual current transformer combining mechanism, which can improve the accuracy and tightness of the butt joint installation of the open type induction magnetic core, and improve the working efficiency and yield of the installation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an open type residual current transformer combines mechanism aims at improving the above-mentioned problem that appears.
The utility model discloses a realize like this:
the utility model provides an open type residual current transformer combines mechanism, includes shell and orientation module, and the inside of shell is provided with magnetic core and coil, and magnetic core fixed mounting is inside the magnetic core, and even winding has the coil on the magnetic core, and forms the rubber coating through pouring sealed glue between magnetic core and the shell, and the shell is provided with two relatively, and the both sides homogeneous butt welding of the department of opening and shutting of the outer terminal surface of shell has orientation module.
Furthermore, a penetrating jack is vertically formed in the top surface of the positioning module on the upper portion of the shell in a penetrating mode through the bottom surface, and a locking nut is vertically arranged on the top surface of the positioning module on the lower portion of the shell in a penetrating mode through the bottom surface.
And then through in the shell on the locating module's that lies in upper portion the top surface on vertical the bottom surface of running through seted up and run through the jack for the locating module of vertical through connection relative setting, lock nut is installed to vertical running through the bottom surface on the locating module's that lies in the lower part in the shell top surface simultaneously, and the locating module is locked from top to bottom to the cooperation locking screw of being convenient for, makes things convenient for later stage equipment location.
Furthermore, a locking screw is vertically inserted in the through jack in a penetrating mode, and the locking screw is installed in a thread fit mode with the locking nut.
And then for symmetrical structure through two upper and lower orientation module, the centre is connected through locking screw, makes the residual current transformer combine inseparabler, has reduced the displacement of magnetic core, has avoided the output frequently to open and shut the lead wire easy fracture that causes, has guaranteed the reliability of product.
Furthermore, the upper part of the locking screw is sleeved with an insulating skin, and the insulating skin is bonded with the locking screw.
And then the cover is equipped with insulating skin through locking screw upper portion, and insulating skin and locking screw bond to reduce locking screw and lead and send the electric current, thereby produce great magnetic leakage, it is very big to the influence of response effect and precision.
Furthermore, a cutting line is arranged at an opening of the outer end face of the shell, and the cutting line is arranged on the coil inside the shell corresponding to the shell.
And then through adopting whole magnetic core processing, with coil and shell equipment, then carry out the encapsulating, wait to glue and cut again after doing, shell department design line of cut also leaves the line of cut at the inside coil of line of cut department that corresponds the shell, compare with traditional mode, avoided cutting the magnetic core earlier and lead to pairing the problem of difficulty to ensure can not destroy the coil.
Furthermore, the bottom of the positioning module is provided with a reinforcing rib.
And then all be provided with the strengthening rib through the bottom of orientation module, through do the design of adding the muscle respectively in orientation module bottom, make orientation module's holding power reinforcing, impact extrusion resistance improves.
Compared with the prior art, the beneficial effects of the utility model are that: when the open type residual current transformer combining mechanism is used for connecting the oppositely arranged open type residual current transformers (1), the coils are uniformly wound on the magnetic core, and the adhesive surface layer is formed between the magnetic core and the shell by pouring sealant, the gap between the magnetic core and the shell is blocked by arranging the adhesive surface layer, so that the magnetic core is prevented from displacing during later cutting, meanwhile, after the cutting is finished, the section is polished to have a mirror surface effect, so that the lower part is tightly combined, the magnetic leakage phenomenon is avoided, the complete magnetic circuit of the iron core of the mutual inductor is formed, the problem of untight combination of the upper magnetic core and the lower magnetic core of the original residual current mutual inductor is solved, the gap generated by the contact surface is reduced, and the precision of the mutual inductor is improved, therefore, the accuracy and tightness of the butt joint installation of the open type induction magnetic core can be improved, and the work efficiency and the yield of the installation are improved.
(2) Two orientation module are symmetrical structure about utilizing, and the centre is connected through locking screw, makes the residual current transformer combine inseparabler, has reduced the displacement of magnetic core, has avoided the output frequently to open and shut the lead wire easy fracture that causes, has guaranteed the reliability of product.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the present invention in a vertical cross section;
fig. 3 is a schematic cross-sectional view along the horizontal direction in an embodiment of the present invention;
in the figure: 1. a housing; 11. a magnetic core; 12. a coil; 2. a rubber surface layer; 3. a positioning module; 31. penetrating through the jacks; 32. locking the nut; 33. locking the screw; 34. an insulating skin.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2 and 3, an open type residual current transformer combining mechanism includes a housing 1 and a positioning module 3, a magnetic core 11 and a coil 12 are disposed inside the housing 1, the magnetic core 11 is fixedly mounted inside the magnetic core 11, the coil 12 is uniformly wound on the magnetic core 11, a glue surface layer 2 is formed between the magnetic core 11 and the housing 1 by pouring sealant, the housing 1 is oppositely disposed, and the positioning module 3 is welded on both sides of an opening and closing position of an outer end surface of the housing 1.
When the open type residual current transformer combining mechanism is used for connecting oppositely arranged open type residual current transformers, the magnetic core 11 is uniformly wound with the coils 12, the adhesive surface layer 2 is formed between the magnetic core 11 and the shell 1 by pouring sealant, the gap between the magnetic core 11 and the shell 1 is sealed by arranging the adhesive surface layer 2, so that the magnetic core 11 is prevented from displacing during later cutting, meanwhile, after the cutting is finished, the section is polished to have a mirror surface effect, so that the lower part is tightly combined, the magnetic leakage phenomenon is avoided, the complete magnetic circuit of the iron core of the mutual inductor is formed, the problem of untight combination of the upper magnetic core and the lower magnetic core of the original residual current mutual inductor is solved, the gap generated by the contact surface is reduced, and the precision of the mutual inductor is improved, therefore, the accuracy and tightness of the butt joint installation of the open type induction magnetic core can be improved, and the work efficiency and the yield of the installation are improved.
Referring to fig. 1, a through hole 31 is formed on the top surface of the upper positioning module 3 of the housing 1 and vertically penetrates through the bottom surface, and a locking nut 32 is mounted on the top surface of the lower positioning module 3 of the housing 1 and vertically penetrates through the bottom surface.
And then have seted up through jack 31 through the vertical bottom surface that runs through on the top surface of the orientation module 3 that lies in the upper portion in shell 1 for the orientation module 3 of vertical through connection relative setting, lock nut 32 is installed to the vertical bottom surface that runs through on the top surface of the orientation module 3 that lies in the lower part in shell 1 simultaneously, and the cooperation locking screw 33 of being convenient for locks orientation module 3 from top to bottom, makes things convenient for later stage equipment location.
Referring to fig. 1, a locking screw 33 is vertically inserted through the through hole 31, and the locking screw 33 is installed in threaded engagement with the locking nut 32.
And then be symmetrical structure through two upper and lower orientation module 3, the centre is connected through locking screw 33, makes the residual current transformer combine inseparabler, has reduced the displacement of magnetic core 11, has avoided the output frequently to open and shut the lead wire that causes and has easily cracked, has guaranteed the reliability of product.
Referring to fig. 1, an insulating sheath 34 is sleeved on the upper portion of the locking screw 33, and the insulating sheath 34 is adhered to the locking screw 33.
And then the upper portion cover of locking screw 33 is equipped with insulating skin 34, and insulating skin 34 bonds with locking screw 33 to reduce locking screw 33 and lead and send electric current, thereby produce great magnetic leakage, it is very big to respond to the influence of effect and precision.
Referring to fig. 2 and fig. 3, a cutting line is disposed at an opening of an outer end surface of the housing 1, and the coil 12 inside the housing 1 is disposed with the cutting line corresponding to the housing 1.
And then through adopting whole magnetic core processing, assemble coil 12 and shell 1, then carry out the encapsulating, wait to glue and cut again after doing, shell 1 department design line of cut also leaves the line of cut at the inside coil 12 of the line of cut department that corresponds shell 1, compares with traditional mode, has avoided cutting magnetic core 11 earlier and has leaded to pairing the problem of difficulty to ensure can not destroy coil 12.
Referring to fig. 1, the bottom of the positioning module 3 is provided with a stiffener.
And then all be provided with the strengthening rib through the bottom of orientation module 3, through do the design of adding the muscle respectively in orientation module 3 bottom, make orientation module 3's bearing capacity reinforcing, impact extrusion resistance rises.
The working principle is as follows: when the open type residual current transformer combination mechanism is used for connecting the oppositely arranged open type residual current transformers, the magnetic core 11 is uniformly wound with the coils 12, the adhesive surface layer 2 is formed between the magnetic core 11 and the shell 1 by pouring sealant, the gap between the magnetic core 11 and the shell 1 is sealed by arranging the adhesive surface layer 2, so that the magnetic core 11 is prevented from displacing during later cutting, meanwhile, after the cutting is finished, the section is polished to have a mirror surface effect, so that the lower part is tightly combined, the magnetic leakage phenomenon is avoided, the complete magnetic circuit of the iron core of the mutual inductor is formed, the problem of untight combination of the upper magnetic core and the lower magnetic core of the original residual current mutual inductor is solved, the gap generated by the contact surface is reduced, and the precision of the mutual inductor is improved, therefore, the accuracy and tightness of the butt joint installation of the open type induction magnetic core can be improved, and the work efficiency and the yield of the installation are improved.
The device obtained by the design can basically meet the requirements of improving the accuracy and tightness of butt joint installation of the open type induction magnetic core and improving the installation working efficiency and yield of the open type residual current transformer combination mechanism, but the designer further improves the device according to the aim of further improving the function of the open type residual current transformer combination mechanism.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 an open type residual current transformer combines mechanism, includes shell (1) and orientation module (3), its characterized in that: the inside of shell (1) is provided with magnetic core (11) and coil (12), and magnetic core (11) fixed mounting is inside magnetic core (11), even winding has coil (12) on magnetic core (11), and forms into rubber coating (2) through pouring into sealed glue between magnetic core (11) and shell (1), shell (1) is provided with two relatively, and the department both sides of opening and shutting of the outer terminal surface of shell (1) all weld relatively has orientation module (3).
2. The open type residual current transformer combination mechanism according to claim 1, wherein a through hole (31) is formed on the top surface of the upper positioning module (3) in the housing (1) and vertically penetrates through the bottom surface, and a locking nut (32) is mounted on the top surface of the lower positioning module (3) in the housing (1) and vertically penetrates through the bottom surface.
3. The open type residual current transformer combination mechanism as claimed in claim 2, wherein a locking screw (33) is vertically inserted in the through jack (31) in a penetrating way, and the locking screw (33) is installed with a locking nut (32) in a threaded fit way.
4. An open type residual current transformer combination mechanism according to claim 3, wherein an insulating skin (34) is sleeved on the upper part of the locking screw (33), and the insulating skin (34) is bonded with the locking screw (33).
5. The open type residual current transformer combination mechanism according to claim 4, wherein a cutting line is arranged at the opening of the outer end face of the shell (1), and the coil (12) inside the shell (1) is provided with a cutting line corresponding to the shell (1).
6. The open type residual current transformer combination mechanism according to claim 5, wherein reinforcing rib plates are arranged at the bottoms of the positioning modules (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020853346.7U CN211699986U (en) | 2020-05-20 | 2020-05-20 | Open type residual current transformer combination mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020853346.7U CN211699986U (en) | 2020-05-20 | 2020-05-20 | Open type residual current transformer combination mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211699986U true CN211699986U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020853346.7U Active CN211699986U (en) | 2020-05-20 | 2020-05-20 | Open type residual current transformer combination mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211699986U (en) |
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2020
- 2020-05-20 CN CN202020853346.7U patent/CN211699986U/en active Active
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