CN210534265U

CN210534265U - Fault arc detection device

Info

Publication number: CN210534265U
Application number: CN201921250851.6U
Authority: CN
Inventors: 刘文东
Original assignee: Jiangsu I Front Science & Technology Co ltd
Current assignee: Jiangsu I Front Science & Technology Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-05-15
Anticipated expiration: 2029-08-02

Abstract

The utility model belongs to the technical field of electric fire control, especially, be a fault arc detection device, locate including device body and cover rubber sleeve on the device body, be equipped with on the rubber sleeve and correspond the first fluting that sets up with display screen, manipulating key and the L, N binding post of device body, be equipped with the second fluting on the lateral wall of rubber sleeve, the surface equipartition of rubber sleeve has anti-skidding arch, the edges and corners department that corresponds the device body on the rubber sleeve inner wall is equipped with buffer gear. The utility model discloses effectively improved fault arc detection device's non-slip properties, prevented to appear taking off the hand when installation or use and lead to the device to damage the phenomenon, and possessed the convenient advantage of installation, improved fault arc detection device's the ability of absorbing impact load simultaneously, multistage buffer structure's setting has guaranteed at the stability of transport or the in-process fault arc detection device who uses, satisfies high crashworthiness's requirement.

Description

Fault arc detection device

Technical Field

The utility model relates to an electric fire control technical field specifically is a fault arc detection device.

Background

A fault arc is a gas ionization discharge phenomenon and is also a plasma. The current in the arc is microscopically the result of the movement of electrons and positive ions under the influence of an electric field, wherein the movement of electrons constitutes the major part of the current. The arc is characterized by high temperature, low current, short fault arc type duration, and frequent occurrence once breakdown points occur. When the arc is generated, a large amount of heat is released, and surrounding flammable and explosive materials can be ignited, so that fire and even explosion can be caused. The most significant hazard of a fault arc is the initiation of a fire, when the fault arc occurs, its core temperature is as high as 3000-4000 ℃ with splashing of the metal melt. High temperature and high heat generated by fault electric arc easily ignite a circuit insulating layer to cause circuit fire, and if combustible exists near a fault point, the combustible is also easily ignited to cause fire.

The fault arc detection device starts from the cause of electrical fire, applies the current waveform characteristic value detection technology to the field of fault arc detection, combines the characteristics of the domestic power industry, and has the characteristics of high reliability, strong stability and convenience for users to use and maintain. The detection device is widely applied to make up the technical defects of electric fire monitoring system products in the market, normal operation electric arcs and fault electric arcs on each phase line can be distinguished through real-time detection of electric lines, blind areas of electric fire hidden danger detection are eliminated, and the detection device is widely applied to fire early warning systems of buildings such as families, civil buildings, factories, internet cafes, warehouses and schools.

Although the traditional fault arc detection device can be widely applied to fire early warning systems of various buildings, the following defects still exist:

1. the traditional fault arc detection device has a rigid and single structure and poor anti-slip performance, and is easy to have the phenomenon of falling off the hand when being installed or used, so that the device is broken;

2. in the process of carrying or using, the trouble arc detection device receives vibration influence big, and easily makes inside electric elements shake when bumping, influences electric elements's stability, and anticollision performance is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a fault arc detection device has solved traditional fault arc detection device structure and is stiff single, and anti-skidding performance is poor, easily appears taking off the hand phenomenon during installation or use, leads to the device to break, and at the in-process of transport or use, fault arc detection device receives the vibration to influence greatly, and easily makes inside electrical component shake when bumping, influences electrical component's stability, the relatively poor problem of anticollision performance.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a fault arc detection device comprises a device body and a rubber sleeve sleeved on the device body, wherein a first open groove which is arranged corresponding to a display screen, an operation key and L, N wiring terminals of the device body is arranged on the rubber sleeve, a second open groove is arranged on the side wall of the rubber sleeve, anti-skid protrusions are uniformly distributed on the outer surface of the rubber sleeve, a buffer mechanism is arranged on the inner wall of the rubber sleeve corresponding to the edge of the device body and comprises a rubber column, a spherical rubber protrusion, an edge filling block, a supporting spring and a supporting protrusion, the supporting block is arranged on the inner wall of the edge of the rubber sleeve, the rubber column and the spherical rubber protrusion are correspondingly arranged on two sides of the edge filling block, the rubber column and the spherical rubber protrusion are alternately arranged, a closed cavity is arranged inside the edge filling block, and the supporting block is arranged on the inner side of the edge filling block, be equipped with between edges and corners filling block and the supporting shoe and separate the chamber, supporting spring sets up in the inside that separates the chamber, supporting spring's both ends are connected with edges and corners filling block and supporting shoe respectively, the support arch sets up on the supporting shoe, the supporting shoe is through supporting protruding elastic support device body.

As an optimized technical scheme of the utility model, each edges and corners all sets up to the fillet on the rubber sleeve.

As a preferred technical scheme of the utility model, the rubber sleeve is kept away from and is equipped with the cover of being convenient for on first grooved terminal surface and establish the opening on the device body, and the opening is the intercommunication setting with the second fluting.

As an optimized technical scheme of the utility model, the vertical height of rubber column is greater than the bellied diameter length of spherical rubber.

As a preferred technical scheme of the utility model, the supporting shoe is the arc structure, the terminal surface that the edges and corners packing block is close to the supporting shoe is the arcwall face, the supporting spring equipartition is on the arcwall face of edges and corners packing block.

As an optimized technical scheme of the utility model, airtight cavity is oval cavity, and a plurality of airtight cavities are crisscross to be set up in the inside of edges and corners filling block.

(III) advantageous effects

Compared with the prior art, the utility model provides a fault arc detection device possesses following beneficial effect:

1. according to the fault arc detection device, the rubber sleeve is sleeved on the device body, the anti-skid performance of the fault arc detection device is effectively improved by utilizing the characteristics of good rubber touch and high elasticity and the arrangement of the anti-skid bump structure on the rubber sleeve, the phenomenon that the device is damaged due to the fact that a user falls off the hand when the device is installed or used is prevented, and the fault arc detection device has the advantage of convenience in installation;

2. this fault arc detection device, edges and corners department through corresponding the device body on the inner wall of rubber sleeve sets up buffer gear, through the rubber post, spherical rubber is protruding, supporting spring and the bellied setting of support, the ability of fault arc detection device absorption impact load has been improved, through the setting of airtight cavity in the edges and corners filler block, the buffering shock attenuation performance of device has further been improved, the stability of carrying or using in-process fault arc detection device has been guaranteed in multistage buffer gear's setting, satisfy high crashproof performance's requirement.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the rubber sleeve of the present invention;

fig. 3 is a schematic view of a connection structure of the middle part device body, the rubber sleeve and the buffer mechanism of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. a device body; 2. a rubber sleeve; 3. a first slot; 4. a second slot; 5. anti-skid projections; 6. a buffer mechanism; 601. a rubber column; 602. spherical rubber bulges; 603. an edge filling block; 604. a support block; 605. a support spring; 606. a support boss; 7. sealing the cavity; 8. a cell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a fault arc detection device comprises a device body 1 and a rubber sleeve 2 sleeved on the device body 1, wherein a first open slot 3 corresponding to a display screen, an operation key and a L, N wiring terminal of the device body 1 is arranged on the rubber sleeve 2, a second open slot 4 is arranged on the side wall of the rubber sleeve 2, anti-skid protrusions 5 are uniformly distributed on the outer surface of the rubber sleeve 2, a buffer mechanism 6 is arranged on the inner wall of the rubber sleeve 2 corresponding to the edge of the device body 1, the buffer mechanism 6 comprises a rubber column 601, a spherical rubber protrusion 602, an edge filling block 603, a supporting block 604, a supporting spring 605 and a supporting protrusion 606, the supporting block 604 is arranged on the inner wall of the edge of the rubber sleeve 2, the rubber column 601 and the spherical rubber protrusion 602 are correspondingly arranged on two sides of the edge filling block 603, the rubber column 601 and the spherical rubber protrusion 602 are alternately arranged, a closed cavity 7 is arranged inside the edge filling block 603, supporting block 604 sets up in the inboard of edges and corners filling block 603, is equipped with between edges and corners filling block 603 and the supporting block 604 and separates the chamber 8, and supporting spring 605 sets up in the inside that separates the chamber 8, and supporting spring 605's both ends are connected with edges and corners filling block 603 and supporting block 604 respectively, and supporting bulge 606 sets up on supporting block 604, and supporting block 604 passes through supporting bulge 606 elastic support device body 1.

In this embodiment, the device body 1 is further provided with a mounting seat (not shown in the figure) for fixed mounting, and the device body 1 can be fastened on the mounting position through screws; in the utility model, after the rubber sleeve 2 is installed and fixed, the rubber sleeve 2 can be taken down and recycled, which is convenient for recycling resources; after the rubber sleeve 2 is sleeved on the device body 1, the outer wall surface of the device body 1 is respectively abutted against the end parts of the rubber column 601 and the supporting bulge 606, so that the connection is tighter; the second slot 4 saves more material and reduces the investment of cost.

Specifically, each edge on the rubber sleeve 2 is set to be a round angle.

In this embodiment, the setting up of fillet makes rubber sleeve 2 more pleasing to the eye in, can prevent that 2 stress concentration of rubber sleeve from causing 2 deformation of rubber sleeve to damage during the collision.

Specifically, the end face, away from the first open groove 3, of the rubber sleeve 2 is provided with an opening which is convenient to be sleeved on the device body 1, and the opening is communicated with the second open groove 4.

In this embodiment, the rubber sleeve 2 is conveniently sleeved on the device body 1 by the opening, and when the device is used, the opening is aligned with the front surface (the surface with the display screen and the operation keys) of the device body 1, and the rubber sleeve 2 is sleeved on the outer surface of the device body 1 by using the elasticity and the flexibility of the rubber.

Specifically, the upright height of the rubber column 601 is greater than the diameter length of the spherical rubber protrusion 602.

In this embodiment, when colliding, rubber column 601 plays the effect of shock attenuation buffering the very first time, when rubber column 601 takes place deformation and shortens, device body 1 constitutes the secondary buffering with the effort on spherical rubber protrusion 602, makes fault arc detection device's shock-absorbing capacity obtain the guarantee.

Specifically, the supporting block 604 is an arc-shaped structure, the end surface of the corner filling block 603 close to the supporting block 604 is an arc-shaped surface, and the supporting springs 605 are uniformly distributed on the arc-shaped surface of the corner filling block 603.

In this embodiment, the setting of arcwall face has increased the stress area of edges and corners filling block 603, has improved stress intensity, makes the shock-absorbing capacity better.

Specifically, the closed cavities 7 are oval cavities, and the plurality of closed cavities 7 are arranged inside the corner filling block 603 in a staggered manner.

In this embodiment, through the arrangement of the closed cavity 7, after the corner filling block 603 deforms, the closed cavity 7 deforms accordingly, and the purpose of absorbing vibration and buffering is achieved by compressing the air in the closed cavity 7.

In the embodiment, the fault arc detection device is a known technology which is already disclosed and widely applied to daily life, and preferably adopts an AAFD-16L ancorui liquid crystal display fault arc detector, so that the fault arc in a line can be detected at an early stage, and the detection and early warning effects on fire hazards such as wiring looseness, poor insulation, poor contact, aging and breakage of electric wires and the like in an electric line are achieved. When the fault electric arc is detected, a sound-light alarm can be sent out locally, so that the fault position can be locked quickly and the maintenance efficiency is improved; and the alarm information can be uploaded to Acrel-6000 electrical fire monitoring equipment, so that networking centralized monitoring and information state management are realized. The fault arc detector can be widely applied to single-phase power utilization places such as gymnasiums, airports, railway stations, schools, hospitals, historic buildings, industrial plants, nursing homes, residential buildings and the like.

The utility model discloses a theory of operation and use flow: when the rubber sleeve 2 is used, the opening of the rubber sleeve 2 is aligned to the front surface (the surface with the display screen and the operation keys) of the device body 1, and the rubber sleeve 2 is sleeved on the outer surface of the device body 1 by utilizing the elasticity and the flexibility of rubber, so that the rubber sleeve 2 is installed; when the fault arc detection device collides, the device body 1 is vibrated to firstly generate pressure on the rubber column 601 and the supporting bulge 606, the rubber column 601 is stressed to generate deformation to perform vibration absorption and buffering, the supporting bulge 606 is stressed to apply pressure to the supporting block 604, the supporting block 604 is stressed to apply pressure to the corner filling block 603 through the supporting spring 605, the supporting bulge 606, the supporting block 604, the supporting spring 605 and the corner filling block 603 form a multi-stage buffer structure for absorbing impact load and ensuring the stability of each module in the device body 1, when the deformation of the rubber column 601 is shortened, the device body 1 applies acting force on the spherical rubber bulge 602 to perform further buffering through the spherical rubber bulge 602, when the corner filling block 603 is stressed to generate deformation, the closed cavity 7 is deformed along with the deformation, and the purpose of vibration absorption and buffering is achieved by compressing the air in the closed cavity 7, the buffering performance of the fault arc detection device is guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fault arc detection device, includes device body (1) and cover and locates rubber sleeve (2) on device body (1), its characterized in that: the rubber sleeve (2) is provided with a first open groove (3) which is arranged corresponding to a display screen, an operation key and L, N wiring terminals of the device body (1), the side wall of the rubber sleeve (2) is provided with a second open groove (4), anti-skid protrusions (5) are uniformly distributed on the outer surface of the rubber sleeve (2), the inner wall of the rubber sleeve (2) is provided with a buffer mechanism (6) corresponding to the edge of the device body (1), the buffer mechanism (6) comprises a rubber column (601), a spherical rubber protrusion (602), an edge filling block (603), a supporting block (604), a supporting spring (605) and a supporting protrusion (606), the supporting block (604) is arranged on the inner wall of the edge of the rubber sleeve (2), the rubber column (601) and the spherical rubber protrusion (602) are arranged corresponding to two sides of the edge filling block (603), and the rubber column (601) and the spherical rubber protrusion (602) are arranged alternately, the inside of edges and corners filling block (603) is equipped with airtight cavity (7), supporting shoe (604) set up in the inboard of edges and corners filling block (603), be equipped with between edges and corners filling block (603) and supporting shoe (604) and separate chamber (8), supporting spring (605) set up in the inside that separates chamber (8), the both ends of supporting spring (605) are connected with edges and corners filling block (603) and supporting shoe (604) respectively, support arch (606) set up on supporting shoe (604), supporting shoe (604) are through supporting arch (606) elastic support device body (1).

2. A fault arc detection device according to claim 1, wherein: and each edge angle on the rubber sleeve (2) is set to be a round angle.

3. A fault arc detection device according to claim 1, wherein: the rubber sleeve (2) is provided with an opening which is convenient to sleeve on the device body (1) on the end face far away from the first open groove (3), and the opening is communicated with the second open groove (4).

4. A fault arc detection device according to claim 1, wherein: the vertical height of the rubber column (601) is larger than the diameter length of the spherical rubber bulge (602).

5. A fault arc detection device according to claim 1, wherein: the supporting block (604) is of an arc-shaped structure, the end face, close to the supporting block (604), of the corner filling block (603) is an arc-shaped face, and the supporting springs (605) are uniformly distributed on the arc-shaped face of the corner filling block (603).

6. A fault arc detection device according to claim 1, wherein: the sealed cavities (7) are oval cavities, and the sealed cavities (7) are arranged inside the corner filling block (603) in a staggered mode.