CN210742431U - Self-stabilizing and pole-spacing-adjustable plate-to-plate breakdown device for laser ranging - Google Patents

Abstract

The utility model provides a board-to-board breakdown device of adjustable interpole distance of laser rangefinder's self-stabilization, belongs to the high voltage breakdown device technical field of for the experiments. Insulating base level sets up, two electrodes are just to setting up the inside at insulating base from top to bottom, and the electrode setting that is located the below is at insulating base's bottom plate upper surface middle part, adjusting nut matches the setting and fixes in insulating base's through-hole, fix at insulating base's roof upper surface middle part, copper ring matches and fixes in stabilizing support's centre bore, conductive screw upper end and insulating disc lower surface middle part fixed connection, conductive screw and copper ring and adjusting nut threaded connection, conductive screw lower extreme and the screw hole threaded connection who is located the electrode of top, stabilizing support's roof upper surface is fixed with laser displacement sensor, wrapping post one end is connected with the upper surface fixed of copper ring, the winding has the high-voltage line on the wrapping post, stabilizing support is insulating stabilizing support. The utility model discloses be used for testing cable insulating material's breakdown voltage in the laboratory.

Description

Self-stabilizing and pole-spacing-adjustable plate-to-plate breakdown device for laser ranging

Technical Field

The utility model belongs to a high voltage breakdown device for experiments, especially a board to board breakdown device of adjustable interpolar distance of self-stabilization of laser rangefinder belongs to high voltage breakdown device technical field for experiments.

Background

The prior board-to-board puncture device in the laboratory has the following problems in use:

1. the two electrodes can not be kept parallel all the time in the experiment, so that the voltage applied to two ends of the insulating material in the high voltage field can not be accurately measured in the experiment, and the experiment result is inaccurate; and the existing board-to-board breakdown device cannot adjust or display the distance between the two electrodes in real time, so that the experiment is difficult to operate.

2. The current board in laboratory is complicated to board breakdown device structure, and the function is single, and the cost of manufacture is high to wiring structure is simple and crude, directly twines the electric wire on the electrically conductive screw rod of no stabilizer, and the electrically conductive screw rod of rocking about needs directly to touch with the hand and adjusts the utmost point interval, and is very dangerous, leads to the emergence of laboratory accident easily, does not suit laboratory high voltage operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but laser rangefinder's self stabilization adjusting polar distance's board is to board breakdown device to there is experimental result inaccurate, experiment difficult operation to board breakdown device in use to the board that the solution laboratory is current, and the structure is complicated, the function singleness, the cost of manufacture is high, the wiring structure is crude, unsuitable laboratory high voltage operation, produces the problem of potential safety hazard easily.

Realize above-mentioned purpose, the utility model discloses the technical scheme who takes is:

the utility model provides a board-to-board breakdown device of adjustable interpolar distance of laser rangefinder's self stabilization which characterized in that: the device comprises an insulating base, an insulating disc, an adjusting nut, a conductive screw, a stabilizing support, a copper ring, a winding post, a laser displacement sensor and two electrodes;

the insulating base is horizontally arranged, the two electrodes are vertically and rightly arranged in the insulating base, the electrode positioned below the insulating base is arranged in the middle of the upper surface of the bottom plate of the insulating base, the middle of the top plate of the insulating base is provided with a through hole, the adjusting nut is matched and arranged and fixed in the through hole, the stabilizing support is fixed in the middle of the upper surface of the top plate of the insulating base, the middle of the top plate of the stabilizing support is provided with a central hole, the copper ring is matched and fixed in the central hole, the central hole of the copper ring is a threaded hole, the conductive screw rod is vertically arranged, the upper end of the conductive screw rod is fixedly connected with the middle of the lower surface of the insulating disc, the conductive screw rod is in threaded connection with the copper ring and the adjusting nut, the middle of the electrode positioned above the stabilizing support is provided with a threaded hole, one end of the winding post is fixedly connected with the upper surface of the copper ring, a high-voltage wire is wound on the winding post, and the stabilizing support is an insulating stabilizing support.

The utility model discloses beneficial effect for prior art is: the utility model discloses a conductive screw and adjusting nut threaded connection, through rotatory insulating disc for conductive screw is rotatory, can accurately adjust conductive screw's height and then adjust the interval of two electrodes, compares with current device, can adjust two electrode spacing more freely more accurately and realize diversified experimental content (1, the high-voltage breakdown experiment of cable insulating skin in the air 2, the high-voltage breakdown experiment of cable insulating skin in the sea water 3, the high-voltage breakdown experiment of the kraft paper of dip transformer oil). The utility model is provided with the insulation stabilizing bracket, the copper ring with the threaded hole and the adjusting nut arranged on the insulation base, the conductive screw rod is clamped through the copper ring and the adjusting nut, compared with the prior device, the electrode positioned above can be always kept horizontal, the voltage applied to the two ends of the measured medium (the measured medium is various cable insulation materials) can be accurately measured during the experiment, the experiment result is more accurate, the operation is easy, the structure is simple, the function is various, the manufacturing cost is low, and the wiring structure is safe; meanwhile, the laser displacement sensor is utilized to realize the function of monitoring the distance between the two electrodes in real time, so that the experimental efficiency is improved, the device is suitable for high-voltage (6-20 kv) operation in a laboratory, and is used for testing the breakdown voltage of a cable insulating material in the laboratory (the cable insulating material is usually cross-linked polyethylene XLPE or polyvinyl chloride PVC, and other fluoroplastics or rubbers are also available).

Drawings

Fig. 1 is a main sectional view of a self-stabilizing interpolar distance adjustable plate-to-plate breakdown device for laser ranging of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a left side view of fig. 1.

The names and designations of the components in the drawings are as follows:

insulating base 1, insulating disc 2, adjusting nut 3, electrode 4, conductive screw 5, stabilizing support 6, copper ring 7, wrapping post 8, laser displacement sensor 9.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

The first embodiment is as follows: as shown in fig. 1-3, the present embodiment discloses a self-stabilizing and interpole distance adjustable plate-to-plate breakdown device for laser ranging, which includes an insulating base 1, an insulating disc 2, an adjusting nut 3, a conductive screw 5, a stabilizing bracket 6, a copper ring 7, a winding post 8, a laser displacement sensor 9, and two electrodes;

the insulating base 1 is horizontally arranged, the two electrodes 4 are vertically and rightly arranged in the insulating base 1, the electrode 4 positioned below is arranged in the middle of the upper surface of the bottom plate of the insulating base 1, a through hole is formed in the middle of the top plate of the insulating base 1, the adjusting nut 3 is arranged and fixed in the through hole in a matching manner, the stabilizing support 6 is fixed in the middle of the upper surface of the top plate of the insulating base 1, a central hole is formed in the middle of the top plate of the stabilizing support 6, the copper ring 7 is fixed in the central hole in a matching manner, the central hole of the copper ring 7 is a threaded hole, the conductive screw 5 is vertically arranged, the upper end of the conductive screw 5 is fixedly connected with the middle of the lower surface of the insulating disc 2, the conductive screw 5 is in threaded connection with the copper ring 7 and the adjusting nut 3, a threaded hole is formed in the middle, the top plate upper surface of stabilizing support 6 is close to conducting screw 5 and is fixed with laser displacement sensor 9, the fixed surface of 8 one ends of wrapping post and copper ring 7 is connected (for making wrapping post 8 and copper ring 7 be connected firmly, can have seted up the blind hole at copper ring 7 upper surface, 8 lower extremes of wrapping post closely peg graft in the blind hole of copper ring 7 upper surface), the winding has the high-voltage line on the wrapping post 8 (the high-voltage line is the electric wire that special high voltage power supply drawn forth in the laboratory, and voltage is between 6kv ~ 20kv), stabilizing support 6 is insulating stabilizing support.

The insulating stabilizing support can ensure the stability of the electrode 4. The conductive screw 5 is fixed at two points by using the adjusting nut 3 and the copper ring 7 on the insulating stable bracket, so that the two electrodes 4 are always kept in a parallel state.

The distance between the two electrodes 4 is adjusted by adjusting the height of the conductive screw 5, and the reading of the distance between the two electrodes 4 can be realized by the laser displacement sensor 9. The laser has the excellent property of good straightness and the laser displacement sensor 9 has a higher accuracy than known ultrasonic sensors as well.

The utility model discloses can measure the distance apart from insulating disc 2 by laser displacement sensor 9, and then indirectly survey the interval of two electrodes 4, its purpose is whether in close contact with in order to confirm electrode 4 and surveyed insulating object, can learn every thickness of being surveyed the material moreover. The laser displacement sensor 9 comprises a laser, a laser detector and a measuring circuit, and can accurately measure the position, the displacement and other changes of a measured object (the measured object is made of various cable insulating materials) in a non-contact manner, and the laser displacement sensor 9 is a product purchased from outsourcing in the prior art.

Further, the through hole arranged in the middle of the upper end plate of the insulating base 1 is a regular hexagon through hole, and the regular hexagon through hole is matched with the adjusting nut 3 in shape.

The utility model discloses use in the high voltage laboratory, use adjusting nut 3 to accurately adjust conductive screw 5's height and then adjust two electrodes 4 interval, more freely more accurately adjust two electrodes 4 interval and realize diversified experimental content (for example: 1, the high-voltage breakdown experiment of cable insulating skin in the air; 2, the high-voltage breakdown experiment of cable insulating skin in the sea water; 3, the high-voltage breakdown experiment of transformer oil-soaked kraft paper). The conductive screw 5 is clamped by the copper ring 7 on the stabilizing support and the adjusting nut 3 on the insulating base 1, so that the two electrodes 4 are always kept parallel, the voltage applied to two ends of a measured object can be accurately measured during an experiment, and the experimental result is more accurate. And the distance between the two electrodes 4 is monitored in real time by using the laser displacement sensor 9, so that the experimental efficiency is obviously improved.

The utility model discloses an use step and experimental operation process as follows:

1. high-voltage power lines (anode and cathode) special for a laboratory are respectively connected to the two electrodes 4, and a sample to be tested is placed between the two electrodes 4;

2. the adjusting nut 3 is rotated to enable the two electrodes 4 to fix a tested sample (the tested sample in the description is uniformly an insulating material in the high-voltage insulation field);

3. opening the laser displacement sensor 9 to read the current electrode distance, and acquiring the current sample thickness;

4. data are recorded on the experimental report paper (the adjusting nut 3 can also be rotated according to different requirements of each experiment, and the distance between the electrodes 4 can be accurately adjusted through the data provided by the laser displacement sensor, so that the distance between the electrodes 4 can be accurately adjusted in real time to complete the breakdown experiments with different experimental requirements);

5. if the test needs to be carried out by exposing the sample to be tested in the air, the device can be placed on a test bench and the test can be carried out in the air;

6. if the test needs to be immersed in a certain liquid, the device can be placed into an insulating vessel which is large enough, the required test liquid is poured into the vessel, and the test liquid is ensured to be over the tested sample (if the test liquid is not over the tested sample, the test result is inaccurate);

7. after the completion of the steps is confirmed, the high-voltage power supply can be switched on for testing.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms of embodiment without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (2)

1. The utility model provides a board-to-board breakdown device of adjustable interpolar distance of laser rangefinder's self stabilization which characterized in that: the device comprises an insulating base (1), an insulating disc (2), an adjusting nut (3), a conductive screw (5), a stabilizing support (6), a copper ring (7), a winding post (8), a laser displacement sensor (9) and two electrodes (4);

the insulation base (1) is horizontally arranged, the two electrodes (4) are vertically and rightly arranged in the insulation base (1), the electrode (4) positioned below is arranged in the middle of the upper surface of the bottom plate of the insulation base (1), a through hole is formed in the middle of the top plate of the insulation base (1), the adjusting nut (3) is arranged and fixed in the through hole in a matching manner, the stabilizing support (6) is fixed in the middle of the upper surface of the top plate of the insulation base (1), a center hole is formed in the middle of the top plate of the stabilizing support (6), the copper ring (7) is fixed in the center hole in a matching manner, the center hole of the copper ring (7) is a threaded hole, the conductive screw rod (5) is vertically arranged, the upper end of the conductive screw rod (5) is fixedly connected with the middle of the lower surface of the insulation disc (2), and the conductive screw rod (5) is in, the middle part of electrode (4) that is located the top is equipped with the screw hole, and electrically conductive screw rod (5) lower extreme and the screw hole threaded connection of electrode (4) that is located the top, and the roof upper surface of outrigger (6) is close to electrically conductive screw rod (5) and is fixed with laser displacement sensor (9), the winding post (8) one end is connected with the last fixed surface of copper ring (7), and the winding has the high-voltage line on winding post (8), outrigger (6) are insulating outrigger.

2. The self-stabilizing pole-spacing adjustable plate-to-plate breakdown device for laser ranging according to claim 1, wherein: the through hole that the up end plate middle part of insulating base (1) was equipped with is regular hexagon through-hole, regular hexagon through-hole with adjusting nut (3) appearance phase-match.

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