CN211698134U

CN211698134U - Instantaneous grounding fault finder

Info

Publication number: CN211698134U
Application number: CN201922024864.8U
Authority: CN
Inventors: 刘柏源; 孙浩然; 朱辉; 张勇; 徐振; 张桂晨; 段相富
Original assignee: Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-10-16
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses an earth fault finder in twinkling of an eye, including the box, the fixed cover in inside of box has connect the buffer layer, and the fixed cover in inside of buffer layer has connect damping spring, the top surface fixedly connected with active carbon plate of buffer layer, the top surface fixedly connected with installation layer of active carbon plate. The utility model discloses a positioning spring's material speciality, when the box links to each other with the closing cap cooperation, positioning spring's spring thrust presses the bump sponge layer of protective layer bottom surface at the detector tightly, the analysis appearance, the top surface of tong-test ammeter and wire, four person's home range of restriction, in the assurance device transportation, the detector that the inside activity of installation layer cup jointed and the stability of analysis appearance, and then ensure the detection precision of detector and analysis appearance, and the activated carbon plate can purify the drying to the air that enters into the box, avoid moisture to enter into the inside of detector and analysis appearance, prolong the life of detector and analysis appearance.

Description

Instantaneous grounding fault finder

Technical Field

The utility model belongs to the technical field of electric power tool, concretely relates to grounding fault finder in twinkling of an eye.

Background

The ground fault in the power system is a fault which is easy to occur and has great harm to the power system, a portable ground finder is generally adopted for detection and maintenance at present, the conventional portable ground finder can adapt to a direct current system with any voltage class, a high-precision detection clamp meter is arranged, the detection range and the interference capability are greatly improved through amplification processing of various signals, the direction of a ground position relative to a detection point can be accurately detected, and therefore loop detection is accurately achieved.

But still have some problems to improve in the current portable ground connection appearance in-service use, firstly, look for the transportation in the detection of appearance, because protective layer and the instrument laminating of transport case are inseparable, the instrument can rock in the transport case, striking box inner wall, the precision that leads to the instrument descends, secondly, current transport case absorbing effect is poor, the protection degree to the instrument is not high, thirdly, look for the wire port of appearance and use one end time after, the joint strength between port and the wire descends, easily drops.

Disclosure of Invention

Not enough to prior art, the utility model provides a ground fault finder in twinkling of an eye possesses instrument transportation stability, dampproofing shockproof protection, the tight difficult advantage that drops of connection port, has solved the problem mentioned among the above-mentioned background art.

An instant ground fault finder comprises a box body, wherein a shock absorption layer is fixedly sleeved in the box body, a shock absorption spring is fixedly sleeved in the shock absorption layer, an activated carbon plate is fixedly connected to the top surface of the shock absorption layer, an installation layer is fixedly connected to the top surface of the activated carbon plate, a detector is sleeved in the installation layer in an inner movable mode, an analyzer is arranged on one side of the detector, a clamp meter is arranged on one side of the analyzer, a lead is arranged on one side of the clamp meter, a handle is fixedly connected to the outer side of one end of the box body, the top surface of the box body is movably connected to the bottom surface of a sealing cover, a limiting sleeve is fixedly sleeved in the sealing cover, a positioning spring is fixedly sleeved in the limiting sleeve, the other end of the positioning spring is fixedly connected to the top surface of a protective layer, movable cavities are formed in two ends of the protective layer, the detector is characterized in that one end of the limiting plate is fixedly sleeved inside the sealing cover, one end of the detector is fixedly sleeved with a wire port, one side of the top surface of the wire port is fixedly connected with a fixed sleeve, an extension spring is fixedly sleeved inside the fixed sleeve, and the other end of the extension spring is fixedly sleeved inside the movable sleeve.

Further, two grooves of stepping down have been seted up to the top surface of protective layer, and each fixed cover in the inside in the groove of stepping down of protective layer top surface has respectively connect three positioning spring, the diameter value in the groove of stepping down of protective layer top surface is greater than the diameter value in the limiting sleeve outside, the bottom fixedly connected with bump foam-rubber cushion of protective layer.

Furthermore, five buffer springs are fixedly sleeved inside the shock absorption layer, the length value of the shock absorption layer is larger than that of the activated carbon plate, and the activated carbon plate is fixedly sleeved on the inner side of the middle of the box body.

Furthermore, one side of the inside of the fixed sleeve is movably connected with one side of the inside of the movable sleeve, and the height value of the fixed sleeve is greater than that of the movable sleeve.

Furthermore, two movable cavities are formed in the two ends of the protective layer, a limiting plate is fixedly sleeved inside each movable cavity, and the width value of each limiting plate is equal to that of the protective layer.

Furthermore, the analyzer, the clamp meter and the lead are movably sleeved inside the installation layer, and the characteristics of the lead port of the analyzer are consistent with those of the lead port of the detector.

Has the advantages that:

1. the utility model discloses a positioning spring's material speciality, when the box links to each other with the closing cap cooperation, positioning spring's spring thrust presses the bump sponge layer of protective layer bottom surface at the detector tightly, the analysis appearance, the top surface of tong-test ammeter and wire, four person's home range of restriction, in the assurance device transportation, the detector that the inside activity of installation layer cup jointed and the stability of analysis appearance, and then ensure the detection precision of detector and analysis appearance, and the activated carbon plate can purify the drying to the air that enters into the box, avoid moisture to enter into the inside of detector and analysis appearance, prolong the life of detector and analysis appearance.

2. The utility model discloses a damping spring cushions and absorbs the vibrations that receive in the transport case transportation, improves the stability of whole device to the fixed cover and the movable sleeve at the top of wire port can carry out the repressing to getting into wire port inside wire and be connected under extension spring's the elastic action, improve the joint strength of wire port and wire, strengthen wire and wire port dynamics of droing, further improve the practicality of device.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the structural cover of the present invention;

FIG. 3 is a schematic sectional view of the structural box body of the present invention;

fig. 4 is a schematic top view of the fixing sleeve of the structure of the present invention;

FIG. 5 is a schematic sectional view of the fixing sleeve of the present invention;

FIG. 6 is an enlarged schematic view of the point A in FIG. 1;

fig. 7 is a front view of the structure of the present invention.

In the figure: 1. a box body; 2. a shock-absorbing layer; 3. a damping spring; 4. an activated carbon plate; 5. mounting a layer; 6. a detector; 7. an analyzer; 8. a clamp meter; 9. a wire; 10. a handle; 11. sealing the cover; 12. a limiting sleeve; 13. a positioning spring; 14. a protective layer; 15. a movable cavity; 16. a limiting plate; 17. a wire port; 18. fixing a sleeve; 19. an extension spring; 20. a movable sleeve.

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.

Referring to fig. 1-7, an instant ground fault finder comprises a box body 1, a shock-absorbing layer 2 is fixedly sleeved inside the box body 1, a shock-absorbing spring 3 is fixedly sleeved inside the shock-absorbing layer 2, an activated carbon plate 4 is fixedly connected to the top surface of the shock-absorbing layer 2, an installation layer 5 is fixedly connected to the top surface of the activated carbon plate 4, a detector 6 is movably sleeved inside the installation layer 5, an analyzer 7 is arranged on one side of the detector 6, a clamp meter 8 is arranged on one side of the analyzer 7, a lead 9 is arranged on one side of the clamp meter 8, a handle 10 is fixedly connected to the outer side of one end of the box body 1, the top surface of the box body 1 is movably connected to the bottom surface of a sealing cover 11, a limit sleeve 12 is fixedly sleeved inside the sealing cover 11, a positioning spring 13 is fixedly sleeved inside the limit sleeve 12, the other end of the positioning spring 13 is fixedly connected to, a limiting plate 16 is fixedly sleeved inside the movable cavity 15, one end of the limiting plate 16 is fixedly sleeved inside the sealing cover 11, one end of the detector 6 is fixedly sleeved with a wire port 17, a fixed sleeve 18 is fixedly connected to one side of the top surface of the wire port 17, an extension spring 19 is fixedly sleeved inside the fixed sleeve 18, and the other end of the extension spring 19 is fixedly sleeved inside the movable sleeve 20.

Wherein, two grooves of stepping down have been seted up to the top surface of protective layer 14, and the inside in every groove of stepping down of protective layer 14 top surface respectively fixed cover has been connect three positioning spring 13, the diameter value in the groove of stepping down of protective layer 14 top surface is greater than the diameter value in the 12 outsides of spacing sleeve, the bottom fixedly connected with bump foam-rubber cushion of protective layer 14, material speciality through positioning spring 13, when box 1 links to each other with the cooperation of closing cap 11, positioning spring 13's spring thrust sticiss the bump foam-rubber layer on protective layer 14 bottom surface at detector 6, analysis appearance 7, the top surface of tong table 8 and wire 9, restrict four home range, in the assurance device transportation, the detector 6 and the stability of analysis appearance 7 that 5 inside activities of installing layer cup jointed, and then ensure the detection precision of detector 6 and analysis appearance 7.

Wherein, the fixed cover in 2 inside shock attenuation layers has been cup jointed five

damping spring

3, and 2 length value of shock attenuation layers is greater than the length value of activated carbon plate 4, activated carbon plate 4 is fixed cup joints at box 1's middle part inboardly, the vibrations that receive in to the transport case transportation through damping spring 3 cushion and absorb, improve the stability of integrated device, and activated carbon plate 4 can purify the drying to the air that enters into box 1, avoid moisture to enter into the inside of detector 6 and analysis appearance 7, prolong the life of detector 6 and analysis appearance 7.

Wherein, the inside one side swing joint of fixed cover 18 and the inside one side swing joint of movable sleeve 20, and the value of height of fixed cover 18 is greater than the value of height of movable sleeve 20, and fixed cover 18 can carry out the repressing with movable sleeve 20 under extension spring 19's elasticity effect to getting into wire port 17 inside wire 9 and be connected, improves wire port 17 and wire 9's joint strength, strengthens wire 9 and wire port 17 dynamics of droing, further improves the practicality of device.

Wherein, two activity die cavities 15 have been seted up at the both ends of protective layer 14, and each fixed cover of every activity die cavity 15 is connect a limiting plate 16, and limiting plate 16's width value equals protective layer 14's width value, and limiting plate 16 can provide the support for protective layer 14 to restrict its activity range, guarantee the rationality of device.

Wherein, the equal activity of assay appearance 7, tong table 8, wire 9 is cup jointed in the inside of installation layer 5, and the wire port characteristic of assay appearance 7 and detector 6 is unanimous, and installation layer 5 provides the gentle matter installation die cavity for devices such as detector 6, assay appearance 7, tong table 8, wire 9, further protects the instrument.

The working principle is as follows: when the device is used in a transportation process, the top surfaces of the box body 1 and the installation layer 5 are tightly attached to the bottom surfaces of the sealing cover 11 and the protective layer 14, the protective layer 14 is pushed by the reset elastic force of the positioning spring 13, the salient point sponge layer fixedly connected with the bottom surface of the protective layer is tightly attached to the detector 6, the analyzer 7, the clamp meter 8 and the top surface of the lead 9 to limit the moving range of the four parts, the shock absorption spring 3 fixedly sleeved inside the shock absorption layer 2 weakens and absorbs the shock received by the whole device in the transportation process to ensure the stability of the whole device, after the appointed position is reached, the locking part connected between the box body 1 and the sealing cover 11 is opened, the detector 6 and the analyzer 7 are taken out for fault elimination operation, when the lead 9 needs to be inserted into the lead port 17 inside the lead port 17 at one end of the detector 6, the insertion end of the lead 9 is inserted into the lead port 17 between the fixed sleeve 18 and the movable sleeve 20, and the fixed sleeve 18 and the The side is pressed and fixed again, and the connection strength between the lead 9 and the lead port 17 is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an earth fault finder in twinkling of an eye, includes box (1), its characterized in that: the shock absorption box is characterized in that a shock absorption layer (2) is fixedly sleeved inside the box body (1), a shock absorption spring (3) is fixedly sleeved inside the shock absorption layer (2), an activated carbon plate (4) is fixedly connected to the top surface of the shock absorption layer (2), a mounting layer (5) is fixedly connected to the top surface of the activated carbon plate (4), a detector (6) is sleeved inside the mounting layer (5) in a movable mode, an analyzer (7) is arranged on one side of the detector (6), a clamp meter (8) is arranged on one side of the analyzer (7), a lead (9) is arranged on one side of the clamp meter (8), a handle (10) is fixedly connected to the outer side of one end of the box body (1), the top surface of the box body (1) is movably connected to the bottom surface of a sealing cover (11), a limiting sleeve (12) is fixedly sleeved inside the sealing cover (11), and a positioning spring (13) is fixedly sleeved inside the limiting sleeve (12, the other end fixed connection of positioning spring (13) is at the top surface of protective layer (14), movable die cavity (15) have been seted up at the both ends of protective layer (14), the fixed cover in inside of activity die cavity (15) has connect limiting plate (16), the fixed cover in the inside of closing cap (11) of one end of limiting plate (16), the fixed cover in one end of detector (6) has connect wire port (17), the fixed cover (18) of top surface one side fixedly connected with of wire port (17), the fixed cover in inside of fixed cover (18) has connect extension spring (19), the other end of extension spring (19) is fixed to be cup jointed in the inside of movable sleeve (20).

2. The transient earth fault finder of claim 1, wherein: two grooves of stepping down have been seted up to the top surface of protective layer (14), and each fixed cover in the inside in each groove of stepping down of protective layer (14) top surface has connect three positioning spring (13), the diameter value in the groove of stepping down of protective layer (14) top surface is greater than the diameter value in spacing sleeve (12) outside, the bottom fixedly connected with bump foam-rubber cushion of protective layer (14).

3. The transient earth fault finder of claim 1, wherein: the shock-absorbing layer (2) is internally fixedly sleeved with five buffer springs, the length value of the shock-absorbing layer (2) is greater than that of the activated carbon plate (4), and the activated carbon plate (4) is fixedly sleeved on the inner side of the middle of the box body (1).

4. The transient earth fault finder of claim 1, wherein: one side of the inside of the fixed sleeve (18) is movably connected with one side of the inside of the movable sleeve (20), and the height value of the fixed sleeve (18) is larger than that of the movable sleeve (20).

5. The transient earth fault finder of claim 1, wherein: two movable cavities (15) are arranged at two ends of the protective layer (14), a limiting plate (16) is fixedly sleeved inside each movable cavity (15), and the width value of each limiting plate (16) is equal to that of the protective layer (14).

6. The transient earth fault finder of claim 1, wherein: the analyzer (7), the clamp meter (8) and the lead (9) are movably sleeved inside the installation layer (5), and the characteristics of the lead ports of the analyzer (7) and the detector (6) are consistent.