CN111554488B - Multi-specification current mutual inductance assembly capable of achieving quick switching connection - Google Patents
Multi-specification current mutual inductance assembly capable of achieving quick switching connection Download PDFInfo
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- CN111554488B CN111554488B CN202010444809.9A CN202010444809A CN111554488B CN 111554488 B CN111554488 B CN 111554488B CN 202010444809 A CN202010444809 A CN 202010444809A CN 111554488 B CN111554488 B CN 111554488B
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- wire holder
- current transformers
- current transformer
- current
- measurement
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention relates to a multi-specification current mutual inductance assembly capable of quickly switching connection, which comprises a plurality of current transformers of various specifications, wherein the current transformers are sequentially distributed and mutually connected, the side edges of the current transformers are provided with measurement moving plates which slide along the arrangement direction of the current transformers and are used for placing a measurement instrument, and the measurement moving plates are provided with wire connecting seat assemblies which can be quickly plugged and pulled out, are connected with the measurement instrument and are correspondingly matched with wire connecting ends on the current transformers. Compared with the prior art, the invention has the characteristics of convenience, rapidness, safety, reliability, short time consumption, high measurement efficiency and the like, and the current transformers with various specifications are sequentially connected in an arrangement manner, and the intermittent sliding and the intermittent plugging of the terminal block assembly are alternately carried out through the measurement moving plate sliding along the arrangement direction and the terminal block assembly arranged on the measurement moving plate so as to realize the rapid switching connection among the current transformers with various specifications.
Description
Technical Field
The invention relates to the technical field of mutual inductor equipment, in particular to a multi-specification current mutual inductor assembly capable of being connected in a fast switching mode.
Background
The principle of the current transformer is similar to the electromagnetic induction principle, and the current transformer is generally used for measurement, protection and other purposes. The specifications of the existing current transformer are mostly determined by a transformation ratio (i.e. a ratio of a primary current to a secondary current), that is, a ratio of the number of turns of a primary winding to the number of turns of a secondary winding. In practical use, current transformers with various specifications are sometimes used for multiple sets of measurement in order to ensure the measurement accuracy. The existing current transformer has the connection mode of bolt connection, so that the current transformer is easy to disassemble and assemble and consumes long time, and in addition, the current transformer of one specification is often required to be measured firstly and then is moved away to replace the current transformer of the other specification, so that the measurement efficiency is low.
Disclosure of Invention
In order to solve the technical problem, the invention provides a multi-specification current mutual inductance assembly capable of rapidly switching connection.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a mutual inductance subassembly of many specifications electric current that can fast switch over connects, is including arranging the current transformer of the multiple specification of a plurality of that distributes and interconnect in proper order, current transformer's side is equipped with and slides the measurement that is used for placing measuring instrument along its array direction and moves the board, it moves and is equipped with quick plug and is connected and correspond complex terminal seat subassembly with its wiring end on the current transformer with measuring instrument on the board to measure.
Furthermore, the bottom of the measuring moving plate is connected with an actuating screw rod and a guide slide rail which are distributed along the arrangement direction of the current transformers, and the actuating screw rod is connected with a servo motor.
Furthermore, the servo motor, the screw rod driven by the driving mechanism, the guide slide rail and the bottom of the current transformer are provided with fixing plates for bearing and fixing.
Furthermore, the wire holder subassembly includes the vertical backup pad that sets up on measuring the board that moves, be equipped with vertical smooth dress in the backup pad respectively and be used for the primary wire holder component of being connected measurement circuit with last wiring end of current transformer, the level is slided the dress and is used for the secondary wire holder component of being connected secondary wiring end on measuring instrument and the current transformer, is used for realizing the drive component of the synchronous plug of primary wire holder component, secondary wire holder component.
Further, the primary wire holder member and the secondary wire holder member each include a wire holder with a plug, wherein a connection rod vertically sliding on the support plate is connected to the wire holder of the primary wire holder member, and the connection rod and the wire holder of the secondary wire holder member are connected to the driving member.
Further, the driving means includes a toothed guide plate provided on the support plate and correspondingly connected to the connection rod, the wire holder of the secondary wire holder means, a gear provided on a side wall of the support plate and correspondingly engaged with the toothed guide plate, and a rotation motor connected to the gear.
Furthermore, a shell used for supporting and protecting the gear is arranged on the side wall of the supporting plate, and the rotating motor is installed on the shell.
The invention has the beneficial effects that:
compared with the prior art, the invention has the characteristics of convenience, rapidness, safety, reliability, short time consumption, high measurement efficiency and the like, and the current transformers with various specifications are sequentially connected in an arrayed manner, and the intermittent sliding and the intermittent plugging of the terminal block assembly are alternately carried out by the measurement moving plate sliding along the arrayed direction and the terminal block assembly arranged on the measurement moving plate so as to realize the rapid switching connection among the current transformers with various specifications.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a left side view of the present invention;
fig. 4 is a left view layout structure diagram in the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained in the following with the accompanying drawings and the embodiments.
As shown in fig. 1 to 4, a multi-specification current mutual inductance assembly capable of realizing rapid switching connection comprises a fixing plate 1, three current transformers 2 which are connected with each other and distributed in sequence in the left-right direction and are in multi-specification are arranged on the rear side of the fixing plate 1, a primary terminal of each current transformer 2 is located at the top, and a secondary terminal of each current transformer 2 is located at the front side. The utility model discloses a measuring instrument, including fixed plate 1, lead screw 5 and two direction slide rails 6 are ordered about to be provided with one on the fixed plate 1 and be located the front side of three current transformer 2 along left right direction, wherein order about the left side end connection of lead screw 5 and have servo motor 4, it moves board 3 to order about to be equipped with the measurement that is used for placing measuring instrument on lead screw 5 and two direction slide rails 6, it is equipped with the wire holder subassembly that has the quick plug function on the posterior lateral plate face that the board 3 was moved in the measurement, the effect of wire holder subassembly lies in and measures with the wiring end correspondence cooperation on measuring the board 3 that moves and the current transformer 2.
Through order about lead screw 5 to drive to measure and move 3 intermittent type slip of board and the quick plug of connection terminal subassembly intermittent type and go on in turn in order to realize the quick switch over connection between the current transformer 2 of many specifications, compare with current many specifications of measurement current transformer's mode, convenient and fast, safe and reliable has reduced the connection time in the measurement, has improved measurement of efficiency.
As shown in fig. 2 and 4, the wire holder assembly includes a support plate 7 vertically disposed on the rear side plate surface of the measuring moving plate 3, and two primary wire holder members vertically slidably mounted on the upper side of the support plate 7 and two secondary wire holder members horizontally slidably mounted on the lower side of the support plate 7 in the front-rear direction are correspondingly disposed on the support plate 7. And a driving component for driving the primary wire holder component and the secondary wire holder component to synchronously move to realize synchronous plugging is arranged on the rear side plate wall of the supporting plate 7.
Specifically, the two primary wire holder components and the two secondary wire holder components respectively comprise a wire holder 8 with a plug 9, wherein the wire holder 8 in the two primary wire holder components is horizontally arranged and used for connecting a measuring circuit with a primary wiring end on the current transformer 2, and is connected with a connecting rod 10 which vertically slides on the supporting plate 7, and the wire holders 8 in the two secondary wire holder components are vertically distributed and used for connecting the measuring instrument with a secondary wiring end on the current transformer 2; the wire holders 8 in the two connecting rods 10 and the two secondary wire holder components are connected with a driving component so as to realize the synchronous movement of the primary wire holder components and the secondary wire holder components.
In addition, a through hole 7a is provided in the lower side wall of the support plate 7 at a position corresponding to the wire holder 8 in the secondary wire holder member, and the through hole 7a functions to facilitate connection of a measuring instrument provided on the measuring moving plate 3 to the wire holder 8.
The driving component comprises a shell 14 which is arranged on the rear side plate wall of the supporting plate 7 and distributed along the left-right direction, four coaxially connected gears 12 are arranged in the shell 14, a rotating motor 13 which is connected with the gears 12 to drive the gears to rotate is arranged on the shell wall of the shell 14, and the shell 14 plays a role in supporting and protecting the gears 12.
Two connecting rods 10 in the two primary wire holder components and the wire holders 8 in the two secondary wire holder components are respectively and correspondingly connected with a toothed guide plate 11, the two toothed guide plates 11 connected with the two connecting rods 10 are vertically and slidably arranged on the supporting plate 7, and the two toothed guide plates 11 connected with the wire holders 8 in the two secondary wire holder components are horizontally and slidably arranged on the supporting plate 7; wherein the left and right sides of the two toothed guide plates 11 connected with the wire holders 8 in the two secondary wire holder members are also provided with guide convex edge strips 111 for guiding and positioning. In order to ensure the balance of the two primary and secondary wire holder members when moving, four counter weights 15 are provided at the ends of the two toothed guide plates 11 in the two connecting rods 10 and the two secondary wire holder members, respectively.
Two toothed guide plates 11 connected with the two connecting rods 10 penetrate through holes formed in the shell 14 to be correspondingly meshed with two of the four gears 12, and two toothed guide plates 11 in the two secondary wire holder components are correspondingly meshed with the remaining two gears 12 from the bottom of the shell 14.
The working principle is as follows:
the measuring instrument is placed on the measuring moving plate 3, and the terminals on the measuring instrument are connected to the wire holder 8 in the secondary wire holder member, and the terminals of the measuring circuit are connected to the wire holder 8 in the primary wire holder member. After the connection is finished, the rotating motor 13 is started to drive the four gears 12 to rotate clockwise, and the toothed guide plates 11 connected with the primary wire holder component are respectively vertically descended through the meshing transmission of the gears 12 and the toothed guide plates 11 to drive the wire holder 8 in the primary wire holder component to be inserted into the primary wire terminal in the current transformer 2; the toothed guide plate 11 connected with the secondary wire holder component moves horizontally backwards to drive the wire holder 8 in the secondary wire holder component to be inserted into the secondary wiring end in the current transformer 2, so that the synchronous insertion of the primary wire holder component and the two secondary wire holder components is realized, the connection time is shortened, and the measurement efficiency is improved.
After the current transformer 2 of one specification is measured, the motor 13 is rotated reversely again to reset the wire holder 8, then the servo motor 4 drives the screw rod 5 to move the measuring moving plate 3 from left to right to the front of the current transformer 2 of the next specification, and then the inserting process is repeated again to measure.
Through the steps and the invention, a plurality of cable transformers with different specifications can be measured quickly, conveniently, safely and reliably, compared with the prior art, on one hand, the measurement efficiency is improved, and on the other hand, the labor intensity of measurement personnel is reduced,
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a mutual subassembly of many specifications current that can fast switch over connects which characterized in that: the current transformer measuring device comprises a plurality of current transformers (2) of various specifications, which are sequentially distributed in an arrayed manner and mutually connected, wherein a measuring moving plate (3) which slides along the arrangement direction of the current transformers (2) and is used for placing a measuring instrument is arranged on the side edge of the current transformers (2), and a connecting terminal assembly which can be quickly plugged and pulled out and is connected with the measuring instrument and is correspondingly matched with a wiring terminal on the current transformers (2) is arranged on the measuring moving plate (3);
the wire holder assembly comprises a supporting plate (7) vertically arranged on the measuring moving plate (3), a primary wire holder component vertically installed in a sliding mode and used for connecting a measuring circuit with a primary wiring end on the current transformer (2), a secondary wire holder component horizontally installed in a sliding mode and used for connecting a measuring instrument with a secondary wiring end on the current transformer (2), and a driving component used for achieving synchronous plugging of the primary wire holder component and the secondary wire holder component are arranged on the supporting plate (7);
the primary wire holder component and the secondary wire holder component both comprise wire holders (8) with plugs (9), wherein the wire holders (8) in the primary wire holder component are connected with connecting rods (10) which vertically slide on the supporting plate (7), and the connecting rods (10) and the wire holders (8) in the secondary wire holder component are connected with a driving component;
the driving component comprises a toothed guide plate (11) which is arranged on the supporting plate (7) and correspondingly connected with the connecting rod (10) and the wire holder (8) in the secondary wire holder component, a gear (12) which is arranged on the side wall of the supporting plate (7) and correspondingly meshed with the toothed guide plate (11), and a rotating motor (13) which is connected with the gear (12);
and a shell (14) for supporting and protecting the gear (12) is arranged on the side wall of the supporting plate (7), and the rotating motor (13) is installed on the shell (14).
2. The multi-specification current transformer assembly of claim 1, wherein the multi-specification current transformer assembly comprises: the bottom of the measuring moving plate (3) is connected with an actuating screw rod (5) and a guide sliding rail (6) which are distributed along the arrangement direction of the current transformers (2), and the actuating screw rod (5) is connected with a servo motor (4).
3. The multi-specification current transformer assembly capable of fast switching connection of claim 2, wherein: the bottom of the servo motor (4), the driving screw rod (5), the guide sliding rail (6) and the current transformer (2) is provided with a fixing plate (1) which plays a role in bearing and fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010444809.9A CN111554488B (en) | 2020-05-23 | 2020-05-23 | Multi-specification current mutual inductance assembly capable of achieving quick switching connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010444809.9A CN111554488B (en) | 2020-05-23 | 2020-05-23 | Multi-specification current mutual inductance assembly capable of achieving quick switching connection |
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| Publication Number | Publication Date |
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| CN111554488A CN111554488A (en) | 2020-08-18 |
| CN111554488B true CN111554488B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010444809.9A Active CN111554488B (en) | 2020-05-23 | 2020-05-23 | Multi-specification current mutual inductance assembly capable of achieving quick switching connection |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735745B (en) * | 2020-11-23 | 2022-08-30 | 安徽华能集团电器有限公司 | Adjustable replacement type high-voltage current transformer |
| CN112735754B (en) * | 2020-12-29 | 2022-08-30 | 安徽华能集团电器有限公司 | Voltage transformer with mounting position adjustable function |
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| CN205670479U (en) * | 2016-06-14 | 2016-11-02 | 湖北大二互科技股份有限公司 | The combination transformer that a kind of high pressure plug formula connects |
| CN108429060A (en) * | 2018-05-07 | 2018-08-21 | 深圳市奈士迪技术研发有限公司 | A kind of safe and reliable intelligent socket with dust reduction capability |
| JP2019040992A (en) * | 2017-08-24 | 2019-03-14 | 株式会社江口高周波 | High frequency reactor |
| CN208662325U (en) * | 2018-08-06 | 2019-03-29 | 马鞍山博通数控模具有限公司 | A kind of fixed device of quick release sheet metal mould |
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| CN110907679A (en) * | 2019-12-24 | 2020-03-24 | 安徽华能集团电器有限公司 | Voltage transformer assembly with switchable capacity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208944622U (en) * | 2018-08-16 | 2019-06-07 | 苏州宜广科技有限公司 | Power interface assembling test equipment |
| CN209607565U (en) * | 2019-04-25 | 2019-11-08 | 宇光电气有限公司 | A kind of mutual inductor |
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2020
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821957Y (en) * | 2005-08-19 | 2006-09-27 | 常熟开关制造有限公司(原常熟开关厂） | Fixed separated functional unit for low voltage switch cabinet |
| CN205670479U (en) * | 2016-06-14 | 2016-11-02 | 湖北大二互科技股份有限公司 | The combination transformer that a kind of high pressure plug formula connects |
| JP2019040992A (en) * | 2017-08-24 | 2019-03-14 | 株式会社江口高周波 | High frequency reactor |
| CN108429060A (en) * | 2018-05-07 | 2018-08-21 | 深圳市奈士迪技术研发有限公司 | A kind of safe and reliable intelligent socket with dust reduction capability |
| CN208662325U (en) * | 2018-08-06 | 2019-03-29 | 马鞍山博通数控模具有限公司 | A kind of fixed device of quick release sheet metal mould |
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| CN110907679A (en) * | 2019-12-24 | 2020-03-24 | 安徽华能集团电器有限公司 | Voltage transformer assembly with switchable capacity |
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| CN111554488A (en) | 2020-08-18 |
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