CN219457522U

CN219457522U - Fuse with audible and visual alarm device

Info

Publication number: CN219457522U
Application number: CN202320399313.3U
Authority: CN
Inventors: 刘功文
Original assignee: Lengshuijiang Bloomer Environmental Protection Energy Co ltd
Current assignee: Lengshuijiang Bloomer Environmental Protection Energy Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-01
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a fuse with an audible and visual alarm device, which comprises an insulator, a fuse tube, a trigger mounting bracket and an audible and visual alarm connected with the trigger, wherein the fuse tube is connected with the insulator, the trigger mounting bracket comprises a connecting part, an assembling part and a trigger mounting part, the assembling part is detachably arranged on the insulator, the trigger is fixedly arranged on the trigger mounting part, and the trigger and the fuse tube are close to each other and are used for detecting the state of the fuse tube and sending detection signals to the audible and visual alarm. The trigger of the fuse with the audible and visual alarm device is used for detecting the state of the fuse tube and sending the detection signal to the audible and visual alarm, when the fuse tube is fused and turned down, the trigger sends a signal to the audible and visual alarm, and the audible and visual alarm sends sound and flashing light, so that an maintainer can be intuitively reminded, and the problems that the existing fuse tube is difficult to find when falling and difficult to overhaul are solved.

Description

Fuse with audible and visual alarm device

Technical Field

The utility model relates to the field of power equipment, in particular to a fuse with an audible and visual alarm device.

Background

The drop-out fuse is often used as a main protection for outdoor transformers of 6-10 kV power systems, such as transformers on city streets, rural transformers, factory transformers, and the like. Because the number of the installed fuses is large, short circuits occur to the transformer or users, the fuses of the fuses are blown out quickly, and the lower static contact loses tension and turns down, so that the tightening mechanism releases the fuse tube, and the fuse tube falls to form an obvious circuit breaking position. And when the installation position is higher at night, the fuse tube is difficult to be found when falling, and a certain difficulty is caused to overhaul.

In view of the above, it is necessary to provide a fuse with an audible and visual alarm device to solve the above-mentioned drawbacks.

Disclosure of Invention

The utility model mainly aims to provide a fuse with an audible and visual alarm device, and aims to solve the problem that the existing fuse is difficult to find out when being fused, so that maintenance is difficult.

In order to achieve the above object, the utility model provides a fuse with an audible and visual alarm device, comprising an insulator, a fuse tube, a trigger mounting bracket and an audible and visual alarm connected with the trigger, wherein the fuse tube is connected with the insulator, the trigger mounting bracket comprises a connecting part, an assembling part and a trigger mounting part, the assembling part is detachably arranged on the insulator, the connecting part and the trigger mounting part are respectively and fixedly connected with the assembling part, the trigger is fixedly arranged on the trigger mounting part, and the trigger and the fuse tube are closely arranged to detect the connection state of the fuse tube and the insulator and send detection signals to the audible and visual alarm.

Preferably, a mounting groove is formed in one end, far away from the assembly part, of the trigger mounting part, and the trigger is mounted in the mounting groove.

Preferably, the trigger is a proximity switch, and the distance between the sensing surface of the proximity switch and the fuse tube is 8-15mm.

Preferably, the assembly part comprises two anchor clamps connected in a rotating way and two folding lugs extending from the two anchor clamps in a bending way, the two folding lugs are connected through a fastener, and the connecting part and the assembly part are respectively and fixedly connected to the two anchor clamps.

Preferably, the fastener is a bolt.

Preferably, the electric wire pole further comprises a wire pole support arranged on the electric wire pole, the insulator is connected to the wire pole support through the connecting part, and the audible and visual alarm is arranged on the wire pole support.

Preferably, the connecting portion is angle steel.

Preferably, a cylindrical connector is formed at the middle end of the insulator, and the assembly part is annularly arranged on the connector.

Compared with the prior art, the fuse with the audible and visual alarm device has the following beneficial effects:

the fuse with the audible and visual alarm device provided by the utility model is triggered and alarms through the trigger and the audible and visual alarm, the trigger is used for detecting the state of the fuse tube and sending detection signals to the audible and visual alarm, when the fuse tube is fused and turned down, the trigger sends signals to the audible and visual alarm, and the audible and visual alarm sends sound and flashing light, so that the audible and visual alarm can intuitively remind overhaulers, and the problems that the existing fuse tube is difficult to find and difficult to overhaul due to falling are solved, especially under the condition of high installation position of a telegraph pole bracket, without the need of laborious personnel debugging.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a fuse with audible and visual alarm provided by the utility model;

fig. 2 is a schematic structural view of the fuse with audible and visual alarm device shown in fig. 1.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 and 2, the present utility model provides a fuse with an audible and visual alarm device, which comprises an insulator 1, a fuse tube 3, a trigger 5, a trigger mounting bracket 7, and an audible and visual alarm 9 connected with the trigger 5. One end of the fuse tube 3 is rotatably connected to one end of the insulator 1, and the other end of the fuse tube 3 is movably connected with the other end of the insulator 1. The trigger mounting bracket 7 includes a connection portion 71, a fitting portion 73, and a trigger mounting portion 75. One end of the connecting portion 71 is connected to the pole support 10, the other end of the connecting portion is connected to the assembling portion 73, the assembling portion 73 is detachably mounted on the insulator 1, the connecting portion 71 and the trigger mounting portion 75 are fixedly connected to two opposite sides of the assembling portion 73, the trigger 5 is fixedly mounted on the trigger mounting portion 75, the trigger 5 is close to the fuse tube 3, and the trigger 5 is used for detecting the connection state of the fuse tube 3 and the insulator and sending detection signals to the audible-visual alarm 9. Specifically, the trigger 5 is a proximity switch, the proximity switch is close to the fuse tube 3 and is used for detecting the state of the fuse tube 3, when the fuse tube 3 is fused and turned down, the connection state of the fuse tube 3 and the insulator is changed, the trigger 5 sends a signal to the audible and visual alarm 9, and the audible and visual alarm 9 sends out sound and flashing light, so that overhaulers can be intuitively reminded, and the problem that the existing fuse tube 3 is difficult to find and difficult to overhaul due to falling is solved without spending a great amount of time and effort.

Specifically, in this embodiment, a mounting groove is formed at an end of the trigger mounting portion 75 away from the mounting portion 73, and the trigger 5 is mounted in the mounting groove. The mounting groove is a blind hole formed by inwards sinking the end face of the assembly part 73, one end of the trigger 5 is inserted into the blind hole to fix the trigger 5, and the trigger 5 and the blind hole can be in interference fit to clamp the trigger 5, so that the trigger 5 is prevented from falling.

The trigger and the fuse are disposed close to each other such that a certain distance is provided between the sensing surface of the trigger and the fuse tube 3. Preferably, in this embodiment, the trigger is a capacitive proximity switch, and the distance between the sensing surface of the proximity switch and the fuse tube 3 is 8-15mm. Wherein the distance between the sensing surface of the proximity switch and the fuse tube 3 may be 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm or 15mm. Preferably, in this embodiment, the distance between the sensing surface of the proximity switch and the fuse tube 3 is 10mm. It will be appreciated that the sensing distance varies from one proximity switch to another, and therefore the separation distance is set according to the type of proximity switch. It should be explained that the proximity switch is a position switch that can be operated without mechanical direct contact with a moving part, and when an object approaches a sensing surface of the switch to an action distance, the switch can be actuated without mechanical contact and any pressure applied, so as to drive a direct current electric appliance or provide a control instruction for a computer (plc) device. The proximity switch is a switch type sensor (i.e. a contactless switch), has the characteristics of a travel switch and a micro switch, has the characteristics of sensing performance, and has the characteristics of reliable action, stable performance, quick frequency response, long application life, strong anti-interference capability and the like, and has the characteristics of water resistance, shock resistance, corrosion resistance and the like. By utilizing the characteristic of the proximity switch, the proximity switch is arranged close to the fuse tube 3 of the fuse, and when the fuse tube 3 is fused and falls down, the sensing surface of the proximity switch senses a signal, and the proximity switch sends the signal to the audible and visual alarm 9. When no abnormality occurs in the fuse tube 3, the proximity switch does not send out a signal, and the audible and visual annunciator 9 does not send out sound and light.

Specifically, in this embodiment, the assembling portion 73 includes two anchor ears 731 connected in a rotating manner and two folding lugs 732 extending from the two anchor ears 731 in a bending manner, the two folding lugs 732 are connected by a fastener 733, and the connecting portion 71 and the assembling portion 73 are respectively and fixedly connected to the two anchor ears 731. The two anchor ears 731 are arranged outside the insulator 1 in a ring manner, the two anchor ears 731 are semicircular, and the two anchor ears 731 are circular after being folded so as to be matched with the outer structure of the insulator 1. In this embodiment, the two hoops 731 are integrally connected by a rotation shaft. Of course, in other embodiments, the two hoops 731 may be integrally connected by a rotation shaft and a torsion spring. By arranging the two anchor ears 731 which are connected in a rotating way, insulators 1 with different sizes can be adapted, and the adaptability of the trigger mounting bracket 7 is improved.

Specifically, in this embodiment, the fastening member 733 is a bolt, and the assembling portion 73 connected by the bolt forms a detachable connection, so as to facilitate disassembly and assembly. Of course, in other embodiments, the fastener may also be a rivet, pin, or the like.

It should be noted that, in order to improve the safety of the whole device, the trigger mounting bracket 7 is made of an insulating material, that is, the connecting portion 71, the assembling portion 73, the trigger mounting portion 75 and the bolt 733 are all made of an insulating material, and specifically, may be made of ceramic, or a ceramic or other insulating material is attached to the outside of the metal member.

Specifically, in this embodiment, the utility pole further comprises a utility pole support 10 mounted on the utility pole, the insulator 1 is connected to the utility pole support 10 through the connection portion 71, and the audible and visual alarm 9 is mounted on the utility pole support 10.

Specifically, in this embodiment, the connection portion 71 is angle steel. Further, the two side plates of the angle steel are provided with mounting holes, one side plate is connected to the telegraph pole bracket 10 through bolts, and the other side plate is welded to the assembly part 73.

Specifically, in this embodiment, a cylindrical connector 11 is formed at the middle end of the insulator 1, and the diameter of the connector 11 is smaller than that of the two ends of the insulator 1. The fitting portion 73 is provided around the outside of the connector 11. In this embodiment, the connector 11 is cylindrical, and the fitting portion 73 is circular, so as to achieve the cooperation between the two. Of course, in other embodiments, the connector 11 may have other shapes, such as square, triangle, etc.

The fuse with the audible and visual alarm device provided by the utility model is triggered and alarms through the trigger 5 and the audible and visual alarm 9, the trigger 5 is used for detecting the states of the fuse tube 3 and the insulator 1 and sending detection signals to the audible and visual alarm 9, when the fuse tube 3 is fused and turned down, the trigger 5 sends signals to the audible and visual alarm 9, and the audible and visual alarm 9 sends sound and flashing light, especially under the condition of high installation position of a wire pole bracket at night, the audible and visual alarm 9 can intuitively remind overhaulers without effort of personnel error checking, and the problems that the existing fuse tube 3 is difficult to find and difficult to overhaul are solved.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. The utility model provides a take audible and visual alarm's fuse, its characterized in that, including insulator, fuse tube, trigger installing support, and with audible and visual alarm that the trigger is connected, the fuse tube with the insulator is connected, the trigger installing support includes connecting portion, assembly portion and trigger installing portion, assembly portion detachably install in on the insulator, connecting portion with trigger installing portion respectively fixed connection in assembly portion, just fixed mounting has on the trigger installing portion the trigger, the trigger with the fuse tube is close to the setting and is used for detecting the fuse tube with the connected state of insulator and gives audible and visual alarm with detection signal.

2. The fuse with audible and visual alarm according to claim 1, wherein the trigger mounting portion has a mounting slot formed at an end thereof remote from the mounting portion, the trigger being mounted in the mounting slot.

3. The fuse with audible and visual alarm according to claim 1, wherein the trigger is a proximity switch having a sensing surface spaced from the fuse tube by a distance of 8-15mm.

4. The fuse with audible and visual alarm according to claim 1, wherein the assembly portion comprises two rotatably connected hoops and two folded lugs extending from the two hoops in a folded manner, the two folded lugs are connected by a fastener, and the connection portion and the assembly portion are fixedly connected to the two hoops, respectively.

5. The fuse with audible and visual alarm according to claim 4, wherein the fastener is a bolt.

6. The fuse with audible and visual alarm according to claim 1, further comprising a pole support mounted to a pole, said insulator being connected to said pole support by said connection portion, said audible and visual alarm being mounted to said pole support.

7. The fuse with audible and visual alarm according to claim 1, wherein the connection is angle steel.

8. The fuse with audible and visual alarm according to claim 1, wherein a cylindrical connector is formed at a middle end of the insulator, and the fitting portion is disposed around the connector.