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Distribution transformer energy efficiency metering detection equipment

A distribution transformer, measurement and detection technology, applied in the field of distribution transformers, can solve the problems of reducing the accuracy of energy efficiency measurement and detection, poor contact strength, data errors, etc., to ensure normal power on, avoid displacement, and improve accuracy

Inactive Publication Date: 2022-02-11
中国测试技术研究院机械研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The distribution transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core. The coil resistance inside the distribution transformer is related to the energy efficiency measurement of the transformer output. It is necessary to use testing equipment to Whether there is a fault in the resistance detection of the coil to ensure the energy efficiency of the distribution transformer output, but because in the process of detecting the coil inside the distribution transformer, it is necessary to use the resistance detection head to contact the coil, the coil diameter inside the different transformer Different, and the coil is installed inside the transformer. During the detection of the coil by the detection head, the contact strength between the detection head and the coil is not good, and it is easy to fall off from the coil, resulting in certain errors in the detected data, reducing the Accuracy of Energy Efficiency Metering Detection

Method used

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  • Distribution transformer energy efficiency metering detection equipment
  • Distribution transformer energy efficiency metering detection equipment
  • Distribution transformer energy efficiency metering detection equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Append figure 1 Attachment Figure 5 Looking:

[0023] According to a distribution transformer energy efficiency measurement device, a structure includes a placing table 1, a electronically controlled box 2, a support frame 3, azimuth adjustment mechanism 4, and the placement stage 1 is mounted with an electronically controlled box 2, and place table The rear side end is welded to the lower end of the support frame 3, and the front end of the top end of the support frame 3 is attached, and the orientation adjustment mechanism 4 is located above the placement table 1, the orientation adjustment mechanism 4 including the support station 41, sliding The rail 42, the push frame 43, the first cylinder 44, the second cylinder 45, the detecting mechanism 46, the support station 41 is welded to the upper end of the support frame 3, and the support table 41 is provided with a rail 42, the push frame 43 lower end Sliding is mounted inside the rail 42, the first cylinder 44 output term...

Embodiment 2

[0030] Append Image 6 Attachment Figure 7 Looking:

[0031]Wherein, the foreign matter 464 includes a bonding mechanism 64a, an extrusion slider 64b, a spring rail 64c, and the middle end of the bonding mechanism 64a is provided with a squeezing slider 64b, and the extrusion slider 64b slides mounted in the spring. The guide rail 64C is inside, the spring rail 64c is fixed to the inside of the link 461, and the extruded slider 64b and the spring guide rail 64c are provided with three, and is provided on the outer end and the middle end of the curved bonding mechanism 64a. It is conducive to the extrusion of the middle extrusion slider 64b in the middle of the transformer, thereby sliding the inner side on the outer side of the bonding mechanism 64a to automatically confut the outer surface of the transformer.

[0032] Wherein, the bonding mechanism 64a includes a picked sheet A1, an extruded ball A2, an insection of the tab A3, and an extruded ball A2 is embedded inside the left s...

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Abstract

The invention discloses distribution transformer energy efficiency metering detection equipment. Thedistribution transformer energy efficiency metering detection equipment structurally comprises a placing table, an electric control box, a supporting frame and a direction adjusting mechanism, the electric control box is installed on the upper end face of the placing table, the rear side end of the placing table is welded to the lower end of the supporting frame, and a resistance testing head is adjusted to be in the direction abutting against the outer side of a coil. The spring rod is used for elastic supporting, a wire is synchronously pulled, the torsion spring drives a winding roll to rotate, and the length of the wire is automatically adjusted, so that normal electrification of the resistance testing head is ensured, and the resistance testing head is prevented from falling off from the coil; in the descending process of a linkage disc, the middle end of the outer side of the transformer abuts against an extrusion sliding block, the two ends of the outer side of the attaching piece draw close to the inner side, at the moment, the extrusion ball generates elastic force, the abutting capacity of the abutting piece and the outer side surface of the transformer is improved, and displacement of a detection head at the lower end of the linkage disc in the detection process is avoided, therefore, the accuracy of detecting the resistance of the coil by the detection head is improved.

Description

Technical field [0001] The present invention relates to the field of distribution transformers, and more particularly, and more particularly to a distribution transformer energy efficient measurement device. Background technique [0002] The power distribution transformer is a device that uses electromagnetic induction to change the AC voltage, the main component is the primary coil, secondary coil, and core, the coil resistance inside the distribution transformer is related to the energy efficiency meter of the transformer output, and needs to be used to detect the detection device pair. The coil performs resistance detection whether there is a fault to ensure the energy efficiency of the distribution transformer output, but since the coil inside the power distribution transformer is detected, the resistance detection head is in contact with the coil, the coil diameter inside the different transformer Different, and the coil is mounted inside the transformer, and the detection h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R27/02
CPCG01R31/00G01R27/02
Inventor 李刚曹江萍谢开强彭元辉李建钢何东明
Owner 中国测试技术研究院机械研究所
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