CN210349758U - External member suitable for live-line replacement of fuse link of low-voltage fuse - Google Patents

External member suitable for live-line replacement of fuse link of low-voltage fuse Download PDF

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Publication number
CN210349758U
CN210349758U CN201921754684.9U CN201921754684U CN210349758U CN 210349758 U CN210349758 U CN 210349758U CN 201921754684 U CN201921754684 U CN 201921754684U CN 210349758 U CN210349758 U CN 210349758U
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China
Prior art keywords
insulated
insulating
cable
circuit breaker
operating rod
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CN201921754684.9U
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Chinese (zh)
Inventor
曾伟国
钟文军
张东平
张碧其
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Guangdong Power Grid Co Ltd
Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangdong Power Grid Co Ltd
Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN201921754684.9U priority Critical patent/CN210349758U/en
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Abstract

The embodiment of the utility model discloses external member suitable for change low voltage fuse link with electricity for solve the fuse link among the current 0.4kV low voltage fuse and blow, can only whole platform district has a power failure and just can change, cause the inconvenient technical problem of other users. The embodiment of the utility model provides an including first insulated cable, second insulated cable, first insulating bar, second insulating bar and circuit breaker; the A end of the first insulating cable is connected with the wiring end of the first insulating operating rod; the end B of the first insulating cable is connected with the end A of the circuit breaker; the A end of the second insulated cable is connected with the wiring end of the second insulated operating rod; and the end B of the second insulated cable is connected with the end B of the circuit breaker.

Description

External member suitable for live-line replacement of fuse link of low-voltage fuse
Technical Field
The utility model relates to a technical field is salvageed to the electric wire netting, especially relates to a external member suitable for change low voltage fuse link with electricity.
Background
The 0.4kV low-voltage fuse is generally adopted in rural power distribution networks, a fuse link is blown at present, and the fuse link can be replaced only when the whole distribution area is powered off, so that the technical problem of inconvenience of other users is caused.
In order to solve the above technical problems, it is an important subject of research by those skilled in the art to find a kit suitable for live replacement of a fuse link of a low-voltage fuse.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model discloses external member suitable for change low voltage fuse link with electricity for solve the fuse link among the current 0.4kV low voltage fuse and blow, can only whole platform district has a power failure and just can change, cause the inconvenient technical problem of other users.
The embodiment of the utility model provides a be applicable to the external member of electrified change low-voltage fuse link, including first insulated cable, second insulated cable, first insulated operating lever, second insulated operating lever and circuit breaker;
the A end of the first insulating cable is connected with the wiring end of the first insulating operating rod;
the end B of the first insulating cable is connected with the end A of the circuit breaker;
the A end of the second insulated cable is connected with the wiring end of the second insulated operating rod;
and the end B of the second insulated cable is connected with the end B of the circuit breaker.
Optionally, the first insulating operating rod is a telescopic insulating operating rod.
Optionally, the second insulated operating rod is a retractable insulated operating rod.
Optionally, the circuit breaker is a single pole 1P circuit breaker.
Optionally, the first insulated cable and the second insulated cable are each five meters in length.
According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:
the embodiment of the utility model provides a be applicable to the external member of electrified change low-voltage fuse link, including first insulated cable, second insulated cable, first insulated operating lever, second insulated operating lever and circuit breaker; the A end of the first insulating cable is connected with the wiring end of the first insulating operating rod; the end B of the first insulating cable is connected with the end A of the circuit breaker; the A end of the second insulated cable is connected with the wiring end of the second insulated operating rod; and the end B of the second insulated cable is connected with the end B of the circuit breaker. The A end of the first insulating cable in the embodiment is connected with the terminal of the first insulating operating rod; the B end of the first insulating cable is connected with the A end of the circuit breaker; the A end of the second insulated cable is connected with the wiring end of the second insulated operating rod; the B end of the second insulated cable is connected with the B end of the breaker. The circuit breaker is opened before the fuse link is replaced. For example, replacing the phase C fuse link: the first insulating operation rod is firmly connected with the upper pile head of the low-voltage fuse, the second insulating operation rod is firmly connected with the lower pile head of the low-voltage fuse, and after the circuit breaker is connected, a fuse link can be replaced after a customer connected with the low-voltage fuse C uses electricity normally. Through foretell design, can change the fuse-link of low-voltage fuse under the condition that need not to have a power failure, reduce the power consumption influence to the user.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a kit suitable for live replacement of a fuse link of a low-voltage fuse provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first insulating cable in a kit suitable for live replacement of a fuse link of a low-voltage fuse according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second insulated cable in a kit suitable for live replacement of a fuse link of a low-voltage fuse according to an embodiment of the present invention;
illustration of the drawings: a first insulating operation lever 1; a second insulated operating rod 2; a first insulating cable 3; a second insulated cable 4; a circuit breaker 5; an A terminal 501 of the circuit breaker; b terminal 502 of the circuit breaker. The a-end 301 of the first insulated cable; a B-end 302 of the first insulated cable; an a-end 401 of a second insulated cable; the B-end 402 of the second insulated cable.
Detailed Description
The embodiment of the utility model discloses external member suitable for change low voltage fuse link with electricity for solve the fuse link among the current 0.4kV low voltage fuse and blow, can only whole platform district has a power failure and just can change, cause the inconvenient technical problem of other users.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a kit for hot-line replacement of a fuse link of a low-voltage fuse, including:
a first insulated cable 3, a second insulated cable 4, a first insulated operating rod 1, a second insulated operating rod 2 and a circuit breaker 5;
the A end of the first insulating cable 3 is connected with the terminal of the first insulating operation rod 1;
the end B of the first insulating cable 3 is connected with the end A of the circuit breaker 5;
the A end of the second insulated cable 4 is connected with the terminal of the second insulated operating rod 2;
the end B of the second insulated cable 4 is connected to the end B of the circuit breaker 5.
The a end of the first insulating cable 3 in the present embodiment is connected to the terminal of the first insulating lever 1; the B end of the first insulating cable 3 is connected with the A end of the breaker 5; the A end of the second insulated cable 4 is connected with the wiring end of the second insulated operating rod 2; the B-terminal of the second insulated cable 4 is connected to the B-terminal of the circuit breaker 5. The circuit breaker 5 is opened before the fuse link is replaced. For example, replacing the phase C fuse link: with first insulating bar 1 and the last pile head firm in connection of low-voltage fuse, second insulating bar 2 and the lower pile head firm in connection of low-voltage fuse, after switch-on circuit breaker 5, just can change the fuse-link after waiting the customer normal power consumption that low-voltage fuse C was connected mutually. Through foretell design, can change the fuse-link of low-voltage fuse under the condition that need not to have a power failure, reduce the power consumption influence to the user.
Further, the first insulating operating rod 1 is a telescopic insulating operating rod;
the second insulating operating rod 2 is a telescopic insulating operating rod.
It should be noted that, the first insulating operating rod 1 and the second insulating operating rod 2 both adopt telescopic structures, which is beneficial for the staff to replace the fuse link of the low-voltage fuse with a higher position.
Further, the circuit breaker 5 is a single-pole 1P circuit breaker 5.
The circuit breaker 5 is a single-pole 1P circuit breaker, and includes a 400A circuit breaker and a 600A circuit breaker, respectively
Further, the lengths of the first insulated cable 3 and the second insulated cable 4 are both five meters.
It should be noted that, the a end and the B end of the first insulating cable 3 are both connected with copper terminals;
the a-and B-ends of the second insulated cable 4 are also connected with copper terminals.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are intended to be inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed and illustrated, unless explicitly indicated as an order of performance. It should also be understood that additional or alternative steps may be employed.
When an element or layer is referred to as being "on" … … "," engaged with "… …", "connected to" or "coupled to" another element or layer, it can be directly on, engaged with, connected to or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element or layer is referred to as being "directly on … …," "directly engaged with … …," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship of elements should be interpreted in a similar manner (e.g., "between … …" and "directly between … …", "adjacent" and "directly adjacent", etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region or section from another element, component, region or section. Unless clearly indicated by the context, use of terms such as the terms "first," "second," and other numerical values herein does not imply a sequence or order. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
Spatially relative terms, such as "inner," "outer," "below," "… …," "lower," "above," "upper," and the like, may be used herein for ease of description to describe a relationship between one element or feature and one or more other elements or features as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below … …" can encompass both an orientation of facing upward and downward. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted.
It is right above the utility model provides a be applicable to electrified change low voltage fuse link and introduced in detail, to the general technical personnel in this field, the foundation the utility model discloses the thought of embodiment all has the change part on concrete implementation and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.

Claims (5)

1. A kit suitable for live replacement of a fuse link of a low-voltage fuse is characterized by comprising a first insulated cable, a second insulated cable, a first insulated operating rod, a second insulated operating rod and a circuit breaker;
the A end of the first insulating cable is connected with the wiring end of the first insulating operating rod;
the end B of the first insulating cable is connected with the end A of the circuit breaker;
the A end of the second insulated cable is connected with the wiring end of the second insulated operating rod;
and the end B of the second insulated cable is connected with the end B of the circuit breaker.
2. A kit for hot swapping a low voltage fuse link as in claim 1 wherein the first insulating operating rod is a telescoping insulating operating rod.
3. A kit for hot-line replacement of a low voltage fuse link as claimed in claim 1 wherein said second insulated operating rod is a retractable insulated operating rod.
4. A kit for the live replacement of a low voltage fuse link as claimed in claim 1 wherein said circuit breaker is a single pole 1P circuit breaker.
5. A kit for use in the live replacement of a low voltage fuse link according to claim 1 wherein the first and second insulated cables are each five meters in length.
CN201921754684.9U 2019-10-18 2019-10-18 External member suitable for live-line replacement of fuse link of low-voltage fuse Active CN210349758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921754684.9U CN210349758U (en) 2019-10-18 2019-10-18 External member suitable for live-line replacement of fuse link of low-voltage fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921754684.9U CN210349758U (en) 2019-10-18 2019-10-18 External member suitable for live-line replacement of fuse link of low-voltage fuse

Publications (1)

Publication Number Publication Date
CN210349758U true CN210349758U (en) 2020-04-17

Family

ID=70178796

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921754684.9U Active CN210349758U (en) 2019-10-18 2019-10-18 External member suitable for live-line replacement of fuse link of low-voltage fuse

Country Status (1)

Country Link
CN (1) CN210349758U (en)

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