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Cable elbow type head with test interface

A test interface and testing technology, applied in the direction of testing/measuring connectors, measuring electricity, measuring electrical variables, etc., can solve the problems of cable running left, contact oxidation, safety hazards, etc., to achieve safe and stable operation, reliable guarantee, The effect of avoiding oxidative burning and avoiding temperature rise

Inactive Publication Date: 2018-11-30
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This application provides a cable elbow with a test interface to solve the problems that the existing cable elbow is not convenient to detect whether the elbow is in good contact, whether the contact is oxidized, etc., and it is easy to leave a safety hazard for the cable operation. question

Method used

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  • Cable elbow type head with test interface
  • Cable elbow type head with test interface
  • Cable elbow type head with test interface

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0021] see Figure 1 to Figure 3 , the embodiment of the present application provides a cable elbow with a test interface, including a cable elbow front connector 1 and a cable elbow rear connector 2, the cable elbow front connector 1 and the cable elbow rear connector 2 can be Disconnect the connection.

[0022] Wherein, the cable elbow front connector 1 includes a front connector insulating cap 11 , a front connector test interface 12 , a front connector stud 13 , a front connector insulating sleeve 14 and a front connector crimping terminal 19 . The front joint insulating cover 14 comprises a first joint connection part 141 and a first cable connection part 142, and the first cable connection part 142 is vertically connected to the bottom middle position of the first joint connection part 141, and the inside of the first joint connection part 141 is connected to the first joint connection part 142. The inside of a cable connection part 142 is connected; the front connector...

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Abstract

An embodiment of the invention discloses a cable elbow type head with a test interface. The cable elbow type head comprises a cable elbow type head front connector and a cable elbow type head back connector; the cable elbow type head front connector and the cable elbow type head back connector are detachably connected; the test interface is provided on the cable elbow type head; detection can be performed through the test interface after the front connector and the back connector are installed, so that whether the contact of the front connector and the back connector is good or not can be accurately verified, and whether a contact surface is oxidized or not can be judged, by means of measuring the loop resistance, thereby avoiding the occurrence of malignant accidents, such as temperaturerise of the elbow type head of the cable, oxidation burning loss and the like; by adoption of the cable elbow type head with the test interface, potential safety hazards of poor contact and contact surface oxidation after the cable elbow type head is mounted can be found in time, so that reliable guarantee is provided for safe and stable operation of a power grid and equipment.

Description

technical field [0001] The present application relates to the technical field of cable elbows, in particular to a cable elbow with a test interface. Background technique [0002] Cable elbows are widely used in the connection of outdoor distribution transformers, American box transformers, ring network cabinets, cable branch boxes, buried transformers and other electrical equipment. The failure of the power system shows that the heating defect caused by poor contact after the installation of the cable elbow is one of the main reasons for the failure of the cable elbow. [0003] Due to the special structure of the existing ordinary cable elbow, the cable elbow is in a closed state after the connection is completed, and the overall insulation performance can only be tested through the AC withstand voltage test, and it is impossible to detect whether the elbow is in good contact or not. Whether the head is oxidized and other defects leave a safety hazard for the cable operatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R11/26H01R11/32H01R4/30G01R27/02G01R31/04
CPCG01R27/02G01R31/68H01R4/30H01R11/26H01R11/32H01R2201/20
Inventor 项恩新桑前浩王科刘红文徐肖伟董涛
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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