Construction site capacitive voltage divider

Abstract

The utility model provides a construction site capacitive voltage divider. The construction site capacitive voltage divider is characterized in that universal wheels penetrate through the periphery of the bottom of an aluminum alloy bottom plate through bolt connection; the insulating mounting module is arranged in the center of the top end of the aluminum alloy bottom plate through screw-thread fit; the capacitor module is arranged right above the aluminum alloy bottom plate; the capacitor module is connected with the insulating mounting module through screw-thread fit; the plug wire box is arranged on one side of the top end or the bottom end of the aluminum alloy bottom plate; a ground wire in a construction site is clamped in the second threaded hole through the ground wire connecting screw to enable the aluminum alloy bottom plate to be grounded, a cable needing to be detected is inserted into the detection wire socket, the wire inserting box is connected with the series resonance controller, the series resonance controller outputs current to be high voltage, the high voltage flows into the cable to be detected through the capacitor module, and the cable to be detected is detected. An electric field is formed between the capacitor grading ring and the to-be-detected cable, if the formed electric field is too large or too small due to insulation abnormity of the to-be-detected cable, the series resonance controller gives an alarm and reduces the voltage, and rapid detection of the insulation performance of the cable is achieved.

Description

Technical Field

[0001] The utility model relates to the field of detection, especially to the technical field of construction site cable detection, and specifically provides a construction site capacitance divider. Background Art

[0002] Before the construction site is completed, it is necessary to detect the insulation parameters of the cables. If unqualified cables are found, they should be replaced in time to avoid potential safety hazards in subsequent use. Now, a voltage dividing device suitable for construction sites and portable is needed to cooperate with a series resonance controller to quickly detect the cables at the construction site and determine whether there is insulation abnormality. Summary of the Invention

[0003] In view of the above-mentioned disadvantages of the prior art, the purpose of the present utility model is to provide a construction site capacitance divider to solve the difficulties of the prior art.

[0004] To achieve the above purpose and other related purposes, the present utility model provides a construction site capacitance divider, including:

[0005] An aluminum alloy bottom plate 1, and universal wheels 11 are arranged through bolt connections around the bottom of the aluminum alloy bottom plate 1;

[0006] An insulation installation module 2, which is arranged at the center of the top end of the aluminum alloy bottom plate 1 through threaded fit;

[0007] A capacitor module 3, which is arranged directly above the aluminum alloy bottom plate 1, and the capacitor module 3 is connected to the insulation installation module 2 through threaded fit;

[0008] A wire insertion box 4, which is arranged on one side of the top end or the bottom end of the aluminum alloy bottom plate 1 through bolt connection. A plurality of line sockets 41 are equally spaced on the side of the wire insertion box 4 away from the aluminum alloy bottom plate 1. One side of the line sockets 41 of the wire insertion box 4 is connected to a series resonance controller through an electric circuit, and the other side of the line sockets 41 of the wire insertion box 4 is connected to the capacitor module 3.

[0009] According to the preferred solution, the insulation installation module 2 includes:

[0010] First threaded holes 21, which are arranged in an equilateral triangle pattern at the center of the top end of the aluminum alloy bottom plate 1, and installation screws 22 are inserted through the centers of the first threaded holes 21;

[0011] Insulation pillars 26, which are sleeved on the centers of the installation screws 22 through threaded fit;

[0012] A positioning and stabilizing base 23, which is located directly above the aluminum alloy bottom plate 1, and the positioning and stabilizing base 23 is placed on the top of the insulation pillars 26;

[0013] The second threaded hole 24 is provided on the top end of the aluminum alloy base plate 1 on one side of the first threaded hole 21, and a ground wire connecting screw 25 is inserted through the center of the second threaded hole 24.

[0014] According to the preferred solution, the capacitor module 3 includes:

[0015] An epoxy tube 31 is provided directly above the insulating support 26. The epoxy tube 31 is composed of surrounding side walls to form a hollow cavity. A flange 32 is sleeved at the bottom of the epoxy tube 31, and the flange 32 is arranged at the top of the mounting screw 22 through threaded cooperation;

[0016] A capacitor grading ring 33 is sleeved on the top of the epoxy tube 31, and a detection line socket 34 is provided on one side of the capacitor grading ring 33;

[0017] A capacitor core group 35 is arranged in the cavity. The bottom of the capacitor core group 35 passes through the flange 32 through an electric circuit and is clamped in the line socket 41, and the top of the capacitor core group 35 is connected to the capacitor grading ring 33 through an electric circuit.

[0018] The utility model adopts an aluminum alloy base plate, universal wheels, an insulating installation module and a capacitor module. After the adjusting device adjusts according to the size of the foam, the sucking device sucks the foam and automatically feeds the material through the transmission device; the following beneficial effects are achieved: the universal wheels improve the portability of the overall device, the ground wire in the construction site is clamped in the second threaded hole through the ground wire connecting screw to ground the aluminum alloy base plate, the cable to be detected is inserted into the detection line socket, the plug-in box is connected to the series resonance controller, the series resonance controller adjusts the output current into high-voltage electricity, the high-voltage electricity flows into the cable to be detected through the plug-in box and the capacitor module, an electric field will be formed between the capacitor grading ring and the cable to be detected. If the insulation of the cable to be detected is abnormal and the formed electric field is too large or too small, the series resonance controller will alarm and step down the voltage, realizing the rapid detection of the cable insulation.

[0019] In the following text, the optimal embodiments of implementing the utility model will be described in more detail with reference to the drawings, so as to easily understand the features and advantages of the utility model. Brief Description of the Drawings

[0020] Figure 1 It shows a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It shows a three-dimensional structural schematic diagram of the interior of the epoxy tube in the utility model;

[0022] Figure 3It shows a three-dimensional structural schematic diagram of the insulation installation module in the present utility model;

[0023] Figure 4 It shows an enlarged three-dimensional structural schematic diagram of the top of the aluminum alloy base plate in the present utility model;

[0024] Label description

[0025] 1. Aluminum alloy base plate; 11. Universal wheel;

[0026] 2. Insulation installation module; 21. First threaded hole; 22. Installation screw; 23. Positioning and stabilizing base; 24. Second threaded hole; 25. Ground wire connection screw; 26. Insulation pillar;

[0027] 3. Capacitor module; 31. Epoxy tube; 32. Flange; 33. Capacitor grading ring; 34. Detection line socket; 35. Capacitor core group;

[0028] 4. Wire plug box; 41. Line socket; Specific implementation manners

[0029] In order to make the purpose, technical solutions and advantages of the technical solutions of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings of the specific embodiments of the present utility model. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are some embodiments of the present utility model, rather than all embodiments. Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Compared with the embodiments shown in the drawings, the feasible implementation solutions within the protection scope of the present utility model may have fewer components, have other components not shown in the drawings, different components, differently arranged components or differently connected components, etc. In addition, two or more components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0031] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings as understood by those of ordinary skill in the art to which the present utility model pertains. The terms "first", "second" and similar terms used in the description and claims of the present utility model patent application do not denote any order, quantity or importance, but are only used to distinguish different components. Similarly, the terms such as "a" or "an" do not necessarily denote a quantity limitation. The terms such as "comprising" or "including" mean that the elements or objects appearing before this term cover the elements or objects listed after this term and their equivalents, without excluding other elements or objects. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms such as "upper", "lower", "left" and "right" are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0032] The present utility model provides a construction site capacitance divider, which is used in the construction site cable detection process. The present utility model does not limit the types of cables to be detected, but the aluminum alloy base plate 1, universal wheels 11, insulation installation module 2 and capacitor module 3 are particularly suitable for quickly detecting cables with insulation abnormalities in the construction site in cooperation with a series resonance controller.

[0033] Generally speaking, the construction site capacitance divider proposed by the present utility model mainly includes: an aluminum alloy base plate 1, universal wheels 11, an insulation installation module 2 and a capacitor module 3. Among them, reference can be made to Figure 1 , which shows the layout relationship of the aluminum alloy base plate 1, universal wheels 11, insulation installation module 2 and capacitor module 3.

[0034] When the construction site capacitance divider proposed by the present utility model is in use, the ground wire in the construction site is clamped in the second threaded hole 24 through the ground wire connection screw 25 to ground the aluminum alloy base plate 1. The cable to be detected is inserted into the detection line socket 34, and the plug-in box 4 is connected to the series resonance controller. The series resonance controller adjusts the output current into high voltage electricity, and the high voltage electricity flows into the cable to be detected through the plug-in box 4 and the capacitor module 3. An electric field will be formed between the capacitor voltage equalizing ring 33 and the cable to be detected. If the insulation of the cable to be detected is abnormal, resulting in an excessive or too small electric field formed, the series resonance controller will alarm and step down the voltage, realizing the rapid detection of the cable insulation.

[0035] The universal wheels 11 are connected and penetrated through the four sides of the bottom of the above-mentioned aluminum alloy base plate 1 by bolts, improving the overall portability of the instrument.

[0036] The above-mentioned insulation installation module 2 is arranged at the center of the top end of the aluminum alloy base plate 1 through threaded cooperation. The insulation installation module 2 includes: a first threaded hole 21, an insulation support column 26, a positioning and stabilizing base 23, a second threaded hole 24, and a ground wire connecting screw 25. Among them, the first threaded holes 21 are arranged in an equilateral triangle at equal intervals at the center of the top end of the aluminum alloy base plate 1. An installation screw 22 passes through the center of the first threaded hole 21. The insulation support column 26 is sleeved on the center of the installation screw 22 through threaded cooperation. The positioning and stabilizing base 23 is located directly above the aluminum alloy base plate 1, and the positioning and stabilizing base 23 is placed on the top of the insulation support column 26. The second threaded hole 24 is opened on the top end of the aluminum alloy base plate 1 on one side of the first threaded hole 21. A ground wire connecting screw 25 passes through the center of the second threaded hole 24, which is used to ground the aluminum alloy base plate 1 to improve the safety of the detection equipment.

[0037] The above-mentioned capacitor module 3 is arranged directly above the aluminum alloy base plate 1. The capacitor module 3 is connected to the insulation installation module 2 through threaded cooperation. The capacitor module 3 includes: an epoxy tube 31 is arranged directly above the insulation support column 26. The epoxy tube 31 is composed of surrounding side walls to form a hollow cavity. A flange 32 is sleeved at the bottom of the epoxy tube 31. The flange 32 is arranged on the top of the installation screw 22 through threaded cooperation. A capacitor grading ring 33 is sleeved on the top of the epoxy tube 31. A detection line socket 34 is opened on one side of the capacitor grading ring 33. A capacitor core group 35 is arranged in the cavity. The bottom of the capacitor core group 35 passes through the flange 32 through an electric circuit and is clamped in the line socket 41. The top of the capacitor core group 35 is connected to the capacitor grading ring 33 through an electric circuit.

[0038] The above embodiments are only illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A construction site capacitance divider, characterized in that, Including: An aluminum alloy base plate (1), and universal wheels (11) are connected and penetrated through the four peripheries of the bottom of the aluminum alloy base plate (1) by bolts; An insulating mounting module (2), and the insulating mounting module (2) is arranged at the center of the top end of the aluminum alloy base plate (1) through threaded fit; A capacitor module (3), and the capacitor module (3) is arranged directly above the aluminum alloy base plate (1), and the capacitor module (3) is connected to the insulating mounting module (2) through threaded fit; A wire plug box (4), and the wire plug box (4) is arranged on one side of the top end or the bottom end of the aluminum alloy base plate (1) through bolt connection. A plurality of line sockets (41) are equidistantly arranged on the side of the wire plug box (4) away from the aluminum alloy base plate (1). One side of the line sockets (41) of the wire plug box (4) is connected to a series resonance controller through an electric circuit, and the other side of the line sockets (41) of the wire plug box (4) is connected to the capacitor module (3).

2. The on-site capacitive voltage divider according to claim 1, wherein The insulating mounting module (2) includes: First threaded holes (21), and the first threaded holes (21) are arranged in an equidistant triangular arrangement at the center of the top end of the aluminum alloy base plate (1), and mounting screws (22) are penetrated through the centers of the first threaded holes (21); Insulating columns (26), and the insulating columns (26) are sleeved on the center of the mounting screws (22) through threaded fit; A positioning and stabilizing base (23), and the positioning and stabilizing base (23) is located directly above the aluminum alloy base plate (1), and the positioning and stabilizing base (23) is placed on the top of the insulating column (26); Second threaded holes (24), and the second threaded holes (24) are opened on the top end of the aluminum alloy base plate (1) on one side of the first threaded holes (21), and ground wire connection screws (25) are penetrated through the centers of the second threaded holes (24).

3. The on-site capacitive voltage divider according to claim 2, characterized in that, The capacitor module (3) includes: An epoxy tube (31), and the epoxy tube (31) is arranged directly above the insulating column (26). The epoxy tube (31) is composed of a hollow cavity surrounded by four side walls. A flange (32) is sleeved at the bottom of the epoxy tube (31), and the flange (32) is arranged on the top of the mounting screw (22) through threaded fit; A capacitor grading ring (33), and the capacitor grading ring (33) is sleeved on the top of the epoxy tube (31), and a detection line socket (34) is opened on one side of the capacitor grading ring (33); A capacitor core group (35), and the capacitor core group (35) is arranged in the cavity. The bottom of the capacitor core group (35) is connected to the line socket (41) through an electric circuit passing through the flange (32), and the top of the capacitor core group (35) is connected to the capacitor grading ring (33) through an electric circuit.

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