CN206711745U - A kind of Verification of Measuring Current Transformer - Google Patents

Abstract

The utility model discloses a kind of Verification of Measuring Current Transformer, including round insulation shell, measurement end line is fixedly connected with the top of the round insulation shell, top on the left of the round insulation shell is fixedly connected with the first live wire wiring, bottom on the right side of the round insulation shell is fixedly connected with the second live wire wiring, the surface of the round insulation outer casing inner wall is fixedly connected with metallic spacer, the right-hand member of the first live wire wiring sequentially passes through round insulation shell and metallic spacer and is fixedly connected with Z-type wire, the left end of the second live wire wiring sequentially passes through round insulation shell and metallic spacer and is fixedly connected with Z-type wire, the bottom of the metallic spacer inwall is fixedly connected with annular insulation crust.The utility model solves the problems, such as that traditional measurement Current Transformer measurement accuracy is inadequate by round insulation shell, metallic spacer, annular insulation crust and the cooperation for synthesizing iron core.

Description

A kind of Verification of Measuring Current Transformer

Technical field

Transformer technical field is the utility model is related to, specially a kind of Verification of Measuring Current Transformer.

Background technology

Have for the requirement of the current transformer of reclosing breaker of plastic casing or electronic type molded case circuit breaker higher diamagnetic full And ability, at present generally using the iron core of the non-oriented silicon steel sheet as such current transformer of " L " or " C " type, with support or The defects of plastic casing carries out overall fixed, and it is bigger than normal that such current transformer has a volume, and diamagnetic saturability is not high, makes coincidence The measurement range and protection precision of lock breaker of plastic casing or electronic type molded case circuit breaker are limited, Chinese invention patent A kind of current transformer of Wide measuring range is refer in CN104576008A, the invention substantially increases reclosing plastic housing open circuit The diamagnetic saturability of device or electronic type molded case circuit breaker Current Transformer, but the utility model uses silicon steel sheet as magnetic conduction Material is used to protect or measure, and is extremely difficult to wide load, high-precision requirement, therefore, it is proposed that a kind of measurement is used Current transformer.

Utility model content

The purpose of this utility model is to provide a kind of Verification of Measuring Current Transformer possess the advantages of measurement accuracy is high, solution The problem of traditional measurement Current Transformer measurement accuracy of having determined is inadequate.

To achieve the above object, the utility model provides following technical scheme：A kind of Verification of Measuring Current Transformer, including circle Shape insulation crust, is fixedly connected with measurement end line at the top of the round insulation shell, the top on the left of the round insulation shell Portion is fixedly connected with the first live wire wiring, and the bottom on the right side of the round insulation shell is fixedly connected with the second live wire wiring, institute The surface for stating round insulation outer casing inner wall is fixedly connected with metallic spacer, and the right-hand member of the first live wire wiring sequentially passes through circle Shape insulation crust and metallic spacer are simultaneously fixedly connected with Z-type wire, and the left end of the second live wire wiring sequentially passes through circle Insulation crust and metallic spacer are simultaneously fixedly connected with Z-type wire, and the bottom of the metallic spacer inwall is fixedly connected with ring Shape insulation crust, the bottom of the annular insulation crust inwall are fixedly connected with synthesis iron core, and the surface of the synthesis iron core twines Be wound with coil, the bottom of the measurement end line sequentially pass through round insulation shell, metallic spacer and annular insulation crust and with Coil is fixedly connected.

Preferably, the right side of the round insulation shell and it is fixedly connected with ground wire positioned at the bottom of the second live wire wiring and connects Line.

Preferably, the left end of the ground wire wiring sequentially pass through round insulation shell and metallic spacer and with Z-type wire It is fixedly connected.

Preferably, the top of the round insulation shell and position of corresponding measuring coil offers wiring hole, the circle The left side of the shape insulation crust and position of corresponding first live wire wiring is provided with the first Wiring port.

Preferably, the right side of the round insulation shell and position of corresponding second live wire wiring and ground wire wiring is provided with Second Wiring port.

Compared with prior art, the beneficial effects of the utility model are as follows：

1st, the utility model to combine system with silicon steel sheet by the way that there is provided synthesis iron core, synthesis iron core using Superfine crystal material Into making synthesis iron core both high characteristics of initial magnetic permeability with Superfine crystal material, the high saturation magnetic strength with silicon steel material The characteristic of intensity is answered, so as to improve the measurement accuracy of current transformer, by the way that there is provided round insulation shell, metallic spacer With annular insulation crust so that external magnetic field can not have influence on the electromagnetic induction of coil, so that the measurement of current transformer Precision greatly improves, and by round insulation shell, metallic spacer, annular insulation crust and the cooperation for synthesizing iron core, solves The problem of traditional measurement Current Transformer measurement accuracy is inadequate.

2nd, the utility model is by there is provided ground wire wiring, ensure that the safety of survey crew and installation personnel, by setting Wiring hole has been put, has been convenient for measuring the installation and use of end line, by there is provided the first Wiring port, strengthening and the first live wire being connect The protection of line, the normal use of the first live wire wiring is ensure that, by there is provided the second Wiring port, strengthening to the second live wire Wiring and the protection of ground wire wiring, it ensure that the normal use of the second live wire wiring and ground wire wiring.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the utility model front section view.

In figure：1 round insulation shell, 2 measurement end lines, 3 first live wire wiring, 4 second live wire wiring, 5 metallic spacers, 6 Z-type wires, 7 annular insulation crusts, 8 synthesis iron cores, 9 coils, 10 ground wire wiring, 11 wiring holes, 12 first Wiring ports, 13 Second Wiring port.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Refer to Fig. 1-2, a kind of Verification of Measuring Current Transformer, including round insulation shell 1, the top of round insulation shell 1 Portion is fixedly connected with measurement end line 2, and the top in the left side of round insulation shell 1 is fixedly connected with the first live wire wiring 3, round insulation The bottom on the right side of shell 1 is fixedly connected with the second live wire wiring 4, and the surface of the inwall of round insulation shell 1 is fixedly connected with metal Separation layer 5, the right-hand member of the first live wire wiring 3 sequentially pass through round insulation shell 1 and metallic spacer 5 and fixed with Z-type wire 6 Connection, the left end of the second live wire wiring 4, which sequentially passes through round insulation shell 1 and metallic spacer 5 and fixed with Z-type wire 6, to be connected Connect, the bottom of the inwall of metallic spacer 5 is fixedly connected with annular insulation crust 7, and the bottom of the annular inwall of insulation crust 7, which is fixed, to be connected Synthesis iron core 8 is connected to, the surface wrap of synthesis iron core 8 has coil 9, and the bottom of measurement end line 2 sequentially passes through round insulation shell 1st, metallic spacer 5 and annular insulation crust 7 and it is fixedly connected with coil 9, the right side of round insulation shell 1 and positioned at the second fire The bottom of line wiring 4 is fixedly connected with ground wire wiring 10, and the left end of ground wire wiring 10 sequentially passes through round insulation shell 1 and metal Separation layer 5 is simultaneously fixedly connected with Z-type wire 6, by there is provided ground wire wiring 10, ensure that the peace of survey crew and installation personnel Entirely, the top of the round insulation shell 1 and position of corresponding measuring coil 9 offers wiring hole 11, the left side of round insulation shell 1 And the position of corresponding first live wire wiring 3 is provided with the first Wiring port 12, by there is provided wiring hole 11, being convenient for measuring end line 2 installation and use, by there is provided the first Wiring port 12, strengthening the protection to the first live wire wiring 3, ensure that first The normal use of live wire wiring 3, the right side of round insulation shell 1 and the position of corresponding second live wire wiring 4 and ground wire wiring 10 The second Wiring port 13 is provided with, by there is provided the second Wiring port 13, strengthening to the second live wire wiring 4 and ground wire wiring 10 protection, the normal use of the second live wire wiring 4 and ground wire wiring 10 is ensure that, by there is provided synthesis iron core 8, synthesizing iron Core 8 is combined with silicon steel sheet using Superfine crystal material and is made, and making synthesis iron core 8, both the initial magnetic permeability with Superfine crystal material is high The characteristic of characteristic, the again high saturated magnetic induction with silicon steel material, so as to improve the measurement accuracy of current transformer, lead to Cross and be provided with round insulation shell 1, metallic spacer 5 and annular insulation crust 7 so that external magnetic field can not have influence on coil 9 Electromagnetic induction so that the measurement accuracy of current transformer greatly improves, pass through round insulation shell 1, metallic spacer 5th, annular insulation crust 7 and the cooperation of iron core 8 is synthesized, solves that traditional measurement Current Transformer measurement accuracy is inadequate to ask Topic.

In use, being made because synthesis iron core 8 is combined using Superfine crystal material with silicon steel sheet, synthesis iron core 8 is set both to have The high characteristic of the initial magnetic permeability of Superfine crystal material, the characteristic of the high saturated magnetic induction with silicon steel material again, so as to carry The high measurement accuracy of current transformer, by there is provided round insulation shell 1, metallic spacer 5 and annular insulation crust 7, So that external magnetic field can not have influence on the electromagnetic induction of coil 9, so that the measurement accuracy of current transformer greatly improves, lead to Round insulation shell 1, metallic spacer 5, annular insulation crust 7 and the cooperation for synthesizing iron core 8 are crossed, solves traditional measurement electricity consumption The problem of current transformer measurement accuracy is inadequate.

In summary：The Verification of Measuring Current Transformer, pass through round insulation shell 1, measurement end line 2, the first live wire wiring 3rd, the cooperation of the second live wire wiring 4, metallic spacer 5, Z-type wire 6, annular insulation crust 7, synthesis iron core 8 and coil 9, solution The problem of traditional measurement Current Transformer measurement accuracy of having determined is inadequate.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of Verification of Measuring Current Transformer, including round insulation shell (1), it is characterised in that：The round insulation shell (1) Top be fixedly connected with measurement end line (2), the top on the left of the round insulation shell (1) is fixedly connected with the first live wire and connect Line (3), the bottom on the right side of the round insulation shell (1) are fixedly connected with the second live wire wiring (4), the round insulation shell (1) surface of inwall is fixedly connected with metallic spacer (5), and the right-hand member of the first live wire wiring (3) sequentially passes through circle absolutely Edge shell (1) and metallic spacer (5) are simultaneously fixedly connected with Z-type wire (6), and the left end of the second live wire wiring (4) is successively It is fixedly connected through round insulation shell (1) and metallic spacer (5) and with Z-type wire (6), in the metallic spacer (5) The bottom of wall is fixedly connected with annular insulation crust (7), and the bottom of annular insulation crust (7) inwall is fixedly connected with synthesis Iron core (8), the surface wrap of the synthesis iron core (8) have coil (9), and the bottom of the measurement end line (2) sequentially passes through circle Insulation crust (1), metallic spacer (5) and annular insulation crust (7) are simultaneously fixedly connected with coil (9).

A kind of 2. Verification of Measuring Current Transformer according to claim 1, it is characterised in that：The round insulation shell (1) Right side and be fixedly connected with ground wire wiring (10) positioned at the bottom of the second live wire wiring (4).

A kind of 3. Verification of Measuring Current Transformer according to claim 2, it is characterised in that：A left side for the ground wire wiring (10) End sequentially passes through round insulation shell (1) and metallic spacer (5) and is fixedly connected with Z-type wire (6).

A kind of 4. Verification of Measuring Current Transformer according to claim 1, it is characterised in that：The round insulation shell (1) Top and the position of corresponding measuring coil (9) offer wiring hole (11), the left side of the round insulation shell (1) and correspondingly The position of first live wire wiring (3) is provided with the first Wiring port (12).

A kind of 5. Verification of Measuring Current Transformer according to claim 1, it is characterised in that：The round insulation shell (1) Right side and the position of corresponding second live wire wiring (4) and ground wire wiring (10) be provided with the second Wiring port (13).