CN114089230A - Explosion-proof tool for inductance fault experiment - Google Patents

Explosion-proof tool for inductance fault experiment Download PDF

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Publication number
CN114089230A
CN114089230A CN202111254720.7A CN202111254720A CN114089230A CN 114089230 A CN114089230 A CN 114089230A CN 202111254720 A CN202111254720 A CN 202111254720A CN 114089230 A CN114089230 A CN 114089230A
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CN
China
Prior art keywords
insulating
plate
inductor
pair
tool
Prior art date
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Pending
Application number
CN202111254720.7A
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Chinese (zh)
Inventor
高庆勇
王伟
邵红军
杨国杰
李鹏军
李谦
宣志文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuji Group Co Ltd
XJ Electric Co Ltd
Xuji Power Co Ltd
Original Assignee
Xuji Group Co Ltd
XJ Electric Co Ltd
Xuji Power Co Ltd
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Publication date
Application filed by Xuji Group Co Ltd, XJ Electric Co Ltd, Xuji Power Co Ltd filed Critical Xuji Group Co Ltd
Priority to CN202111254720.7A priority Critical patent/CN114089230A/en
Publication of CN114089230A publication Critical patent/CN114089230A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/72Testing of electric windings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The embodiment of the disclosure relates to an explosion-proof tool for an inductance fault experiment. This flame proof frock includes: the body comprises a door plate, a sealing plate with a first opening and a top plate with a second opening, and is suitable for accommodating an inductor to be subjected to an inductor fault experiment; at least one of the sealing plate and the door plate is also provided with one or more pressure relief vent holes so as to perform pressure relief and exhaust when the inductor is cracked; a base adapted to support the body; an insulating plate at least partially blocking the first opening and the second opening; and leading-in copper bars and leading-out copper bars, which pass through the insulating plate and are coupled to the inductor so as to be coupled with a power supply to provide current for the inductor fault experiment during the inductor fault experiment. Through the arrangement, the explosion-proof tool can repeatedly bear high-strength explosion impact.

Description

Explosion-proof tool for inductance fault experiment
Technical Field
The utility model relates to an electrical equipment field especially relates to a flame proof frock for inductance fault experiment.
Background
At present, inductors are widely used in various electronic circuits. However, in high-voltage products, the inductor often has the problems that the inductor cannot bear large-current impact or various faults due to the quality problem of the inductor, and the inductor explodes and causes damage to other equipment. Therefore, a simulated fault experiment needs to be performed on the inductor. In order to prevent the secondary damage caused by explosion in the inductance experiment process, an explosion-proof tool is required to carry out effective internal and external isolation.
Common inductance fault simulation experiment can overlap a thick welding drum outside the inductance, then wholly is fixed in a panel beating box, accomplishes copper bar overlap joint or installs shrouding all around after the line is accomplished. Because different structural style or the inductance of different sizes wiring position or mode are all different, current inductance fault simulation experiment's flame proof mode can often destroy welding drum and box when the inductance bursts, and insulating problem is not handled well.
Therefore, it is desirable to provide an explosion-proof tool capable of solving the above problems.
Disclosure of Invention
In view of the above, the present disclosure provides a flameproof tool for an inductance fault experiment to at least partially solve the above problems and other potential problems.
In order to achieve the above object, the explosion-proof tool for the inductance fault experiment disclosed by the invention comprises: the body comprises a door plate, a sealing plate with a first opening and a top plate with a second opening, and is suitable for accommodating an inductor to be subjected to an inductor fault experiment; at least one of the sealing plate and the door plate is also provided with one or more pressure relief vent holes so as to perform pressure relief and exhaust when the inductor is cracked; a base adapted to support the body; an insulating plate at least partially blocking the first opening and the second opening; and leading-in copper bars and leading-out copper bars, which pass through the insulating plate and are coupled to the inductor so as to be coupled with a power supply to provide current for the inductor fault experiment during the inductor fault experiment.
In some embodiments, further comprising: a vertical mounting beam located within the body and oppositely coupled to the closure plate; a pair of first insulating platens, each first insulating platen of the pair of first insulating platens being vertically adjustably coupled to the vertical mounting beam; and a pair of second insulating pressing plates, one end of each second insulating pressing plate in the pair of second insulating pressing plates being coupled to one first insulating pressing plate in the pair of first insulating pressing plates, and the other end being coupled to the other first insulating pressing plate in the pair of first insulating pressing plates, the pair of second insulating pressing plates being adapted to press the first end of the inductor during the inductor fault experiment.
In some embodiments, the distance of the second insulating platens of the second pair of insulating platens with respect to each other is adjustable.
In some embodiments, the vertical mounting beams are provided with equally spaced elongated holes via which each of the pair of first insulating platens can be coupled to the set of vertical mounting beams at different heights.
In some embodiments, each of the first pair of insulating platens is L-shaped and includes a plurality of first mounting holes, and each of the second pair of insulating platens is coupled to the first insulating platen via the first mounting holes.
In some embodiments, each of the pair of second insulating press plates is L-shaped and includes a plurality of second mounting holes through which the fixture is capable of adjustably securing inductors of different diameters.
In some embodiments, further comprising: the insulator support is arranged on the base; the insulation base plate is supported and supported by the insulator and is suitable for abutting against the second end of the inductor, the insulation base plate comprises a limiting plate mounting hole, an introduced copper bar mounting groove and a mounting position reference line, and the introduced copper bar mounting groove is suitable for receiving an introduced copper bar; and a limiting plate provided with a limiting plate fitting hole, the limiting plate being positioned via the mounting position reference line and coupled to the insulating base plate via the limiting plate fitting hole and the limiting plate mounting hole for clamping the inductor.
In some embodiments, at least one of the incoming copper bar and the outgoing copper bar comprises a heat shrink tubing.
In some embodiments, the body comprises a steel plate having a thickness of no less than 10 mm.
In some embodiments, overlapping surfaces of the door panel, the closure panel, and the top panel are coupled by full weld.
The technical scheme of the disclosure has the following beneficial technical effects:
(1) according to the explosion-proof tool disclosed by the invention, the high-strength explosion impact can be repeatedly borne, and the reliability is high.
(2) According to the explosion-proof tool disclosed by the invention, the vertical columns are vertically arranged through the modulus holes, the pressing plates with multiple mounting holes, the bottom plate and the limiting plate, so that good compatibility of inductors with different sizes is realized; the L-shaped insulating pressing plate is high in strength, reliable in compression and high in insulativity, and ensures electrical safety.
(3) According to the scheme, the installation mode and the insulation design mode of the copper bar led out by the explosion-proof tool can provide excellent insulation effect, and the operation safety is guaranteed.
(4) According to the explosion-proof tool disclosed by the invention, the inductor compression and limiting modes can be compatible with inductors of various sizes and wiring modes within a certain size range.
Drawings
FIG. 1 is a perspective view of an explosion-proof tool provided in one embodiment;
FIG. 2 is a cross-sectional view of an explosion-proof tool provided in one embodiment;
FIG. 3 is an internal installation diagram of the flameproof tool according to the embodiment;
FIG. 4 is a schematic diagram of a limiting plate of the flameproof tool according to an embodiment;
fig. 5 is a schematic view of an insulating bottom plate of the flameproof tool according to an embodiment.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure will be described in further detail below with reference to the accompanying drawings in conjunction with the detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure.
As is well known to those skilled in the art, the explosion-proof tool is a high-strength explosion-proof structure designed to prevent explosive devices from exploding during a fault experiment to cause secondary damage to external equipment or personnel, and comprises internal structure accessories and a cable or copper bar leading-in and leading-out part. An inductor, generally referred to as an inductor, is a component that can convert electrical energy into magnetic energy and store the magnetic energy. The inductor can be communicated with direct current and direct current resistance to conduct alternating current, and an alternating current signal is isolated and filtered or forms a resonance circuit with a capacitor, a resistor and the like.
Fig. 1 is a perspective view of an explosion-proof tool 100 according to an embodiment. In one embodiment, referring to fig. 1, the flameproof tool 100 may include a body 1, the body 1 may include a door panel 13, a sealing plate 11 having a first opening 111, and a top plate 17 having a second opening 171, and the body 1 may accommodate an inductor 200 (shown in fig. 2 and 3) to be subjected to an inductor fault experiment. At least one of the sealing plate 11 and the door 13 is further provided with one or more pressure relief vents 15 for venting pressure when the inductor 200 is burst. The area of the pressure relief vent 15 can be set according to actual needs, and only the requirement needs to be met.
In some embodiments, the flameproof tool 100 may further include a base 3, and the base 3 is adapted to support the body 1. It is understood that the base 3 may be fixed to the body 1 or detachably connected to the body 1 for maintenance. In some embodiments, the flameproof tool 100 may further include an insulating plate 9, and the insulating plate 9 at least partially blocks the first opening 111 and the second opening 171 to provide an excellent insulating effect. In some embodiments, the flameproof tool 100 may further include a leading copper bar 5 and a leading copper bar 7, and the leading copper bar 5 and the leading copper bar 7 may pass through the insulating plate 9 and be coupled to the inductor 200 to be coupled to a power supply during an inductor fault experiment to provide a current for the inductor fault experiment.
In some embodiments, the body 1 of the flameproof tool 100 can be welded by steel plates of 10mm or more. In some embodiments, the faying surfaces of the various components of the body 1 may be full-welded. That is, the overlapping surfaces of the door panel 13, the closing plate 11 and the top plate 17 are processed by full-length welding.
In some embodiments, at least one of the leading copper busbar 5 and the leading copper busbar 7 comprises a heat shrink tubing. Therefore, the high-voltage insulation reliability is ensured by the heat-shrinkable sleeve leading in the lead-out copper bar through the inductor and the insulation plate at the corresponding position.
FIG. 2 is a cross-sectional view of an embodiment of a flameproof tool 100; fig. 3 is an internal schematic view of the flameproof tool 100 according to an embodiment. As shown in fig. 2 and 3, in one embodiment, the flameproof tool 100 may further include a vertical mounting beam 2, and the vertical mounting beam 2 is located in the body 1 and is oppositely coupled to the closing plate 11. To ensure strength, the vertical mounting beams 2 are typically secured to the plate 11 by welding. It will be appreciated that the above is merely exemplary and that the fixing of the vertical mounting beam 2 may be achieved in any suitable manner by a person skilled in the art.
The flameproof tool 100 may further include a first pair of insulating pressing plates and a second pair of insulating pressing plates, each first insulating pressing plate 4 of the first pair of insulating pressing plates may be vertically adjustably coupled to the vertical mounting beam 2, one end of each second insulating pressing plate 10 of the second pair of insulating pressing plates may be coupled to one first insulating pressing plate 4 of the first pair of insulating pressing plates, the other end may be coupled to the other first insulating pressing plate 4 of the first pair of insulating pressing plates, and the second pair of insulating pressing plates is adapted to press the first end 201 of the inductor 200 during an inductor fault experiment. In one embodiment, the distance of the second insulating platens 10 of the second pair of insulating platens with respect to each other is adjustable.
With continued reference to fig. 2 and 3, the vertical mounting beams 2 may be provided with equally spaced elongated holes 21, via which elongated holes 21 each first insulating platen 4 of the pair of first insulating platens can be coupled to the group 2 of vertical mounting beams at different heights. In other embodiments, each first insulating pressing plate 4 of the first pair of insulating pressing plates is L-shaped and includes a plurality of first mounting holes 41, and each second insulating pressing plate 10 of the second pair of insulating pressing plates is coupled to the first insulating pressing plate 4 via the first mounting holes 41. Therefore, the vertical mounting beams 2 are provided with the long holes at equal intervals, the insulating pressing plates are mounted on the vertical mounting beams 2 at two sides, the upper position and the lower position can be adjusted according to the actual height of the inductor 200, and the inductor 200 with different heights in a certain height range is compatible.
It should be noted that the L-shaped first insulating pressing plate 4 is merely an example, and those skilled in the art may adopt any other insulating pressing plate as needed as long as the need of ensuring the structural strength can be achieved.
In some embodiments, each second insulating pressing plate 10 of the second pair of insulating pressing plates is L-shaped and comprises a plurality of second mounting holes 101, via which second mounting holes 101 the fixture 14 can adjustably fix inductors 200 of different diameters. Therefore, the two sides of the inductor are respectively pressed by the insulating pressing plates, the two ends of each insulating pressing plate are fixed on the insulating pressing plates on the two sides, the four insulating pressing plates are all provided with a plurality of mounting holes 101, and the inductors with different diameters are adapted to different mounting positions of the second insulating pressing plate 10.
With continued reference to fig. 2 and 3, in some embodiments, the flameproof tool 100 may further include an insulator support 8 and an insulating base plate 6, where the insulator support 8 is disposed on the base 3, and the insulating base plate 6 may be supported by the insulator support 8 and adapted to abut against the second end 202 of the inductor 200. In this way, the fixation of the second end 202 of the inductance 200 is achieved.
Fig. 4 is a schematic diagram of a limiting plate 12 of the flameproof tool 100 according to an embodiment; fig. 5 is a schematic view of an insulating base plate 6 of the flameproof tool 100 according to an embodiment. Referring to fig. 4 and 5, in some embodiments, the insulated backplane 6 may include a stopper plate mounting hole 61, an incoming copper busbar mounting groove 63, and a mounting location reference line 65, wherein the incoming copper busbar mounting groove 63 is adapted to receive the incoming copper busbar 5.
In some embodiments, with continued reference to fig. 4 and 5, the flameproof tool 100 may further include a stopper plate 12, the stopper plate 12 may be provided with a stopper plate mounting hole 121, and the stopper plate 12 may be positioned via the mounting position reference line 65 and coupled to the insulating base plate 6 via the stopper plate mounting hole 121 and the stopper plate mounting hole 61 for clamping the inductor 200. In this way, the inductor 200 may be further reinforced to ensure operational safety.
Through the arrangement, the bottom of the inductor 200 can be reliably limited in the other direction through the two limiting plates 12, the insulating bottom plate 6 is provided with a plurality of groups of limiting plate mounting holes 61 for mounting the limiting plates 12 with different sizes and limiting the inductors 200 with different diameters, and the copper bar mounting grooves 63 are used for mounting the copper bars 5 introduced from the bottom of the inductor 200.
In summary, the embodiment of the disclosure relates to an explosion-proof tool for an inductance fault experiment. This flame proof frock includes: the body comprises a door plate, a sealing plate with a first opening and a top plate with a second opening, and is suitable for accommodating an inductor to be subjected to an inductor fault experiment; at least one of the sealing plate and the door plate is also provided with one or more pressure relief vent holes so as to perform pressure relief and exhaust when the inductor is cracked; a base adapted to support the body; an insulating plate at least partially blocking the first opening and the second opening; and leading-in copper bars and leading-out copper bars, which pass through the insulating plate and are coupled to the inductor so as to be coupled with a power supply to provide current for the inductor fault experiment during the inductor fault experiment. Through the arrangement, the explosion-proof tool can repeatedly bear high-strength explosion impact.
The embodiment of the disclosure can realize the following technical effects: the explosion-proof tool disclosed by the invention can repeatedly bear high-strength explosion impact and is high in reliability; according to the explosion-proof tool disclosed by the invention, the vertical columns are vertically arranged through the modulus holes, the pressing plates with multiple mounting holes, the bottom plate and the limiting plate, so that good compatibility of inductors with different sizes is realized; the L-shaped insulating pressing plate is high in strength, reliable in compression and high in insulativity, and ensures electrical safety; according to the scheme, the copper bar installation mode and the insulation design mode led in and out of the explosion-proof tool can provide an excellent insulation effect, and the operation safety is guaranteed; according to the explosion-proof tool disclosed by the invention, the inductor compression and limiting modes can be compatible with inductors of various sizes and wiring modes within a certain size range.
In summary, the embodiment of the disclosure relates to an explosion-proof tool for an inductance fault experiment. This flame proof frock includes: the body comprises a door plate, a sealing plate with a first opening and a top plate with a second opening, and is suitable for accommodating an inductor to be subjected to an inductor fault experiment; at least one of the sealing plate and the door plate is also provided with one or more pressure relief vent holes so as to perform pressure relief and exhaust when the inductor is cracked; a base adapted to support the body; an insulating plate at least partially blocking the first opening and the second opening; and leading-in copper bars and leading-out copper bars, which pass through the insulating plate and are coupled to the inductor so as to be coupled with a power supply to provide current for the inductor fault experiment during the inductor fault experiment. Through the arrangement, the explosion-proof tool can repeatedly bear high-strength explosion impact.
It is to be understood that the above-described specific embodiments of the present disclosure are merely illustrative of or illustrative of the principles of the present disclosure and are not to be construed as limiting the present disclosure. Accordingly, any modification, equivalent replacement, improvement or the like made without departing from the spirit and scope of the present disclosure should be included in the protection scope of the present disclosure. Further, it is intended that the following claims cover all such variations and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.

Claims (10)

1. The utility model provides a flame proof frock (100) for inductance fault experiment, its characterized in that, flame proof frock (100) includes:
a body (1) comprising a door panel (13), a closure plate (11) having a first opening (111) and a top plate (17) having a second opening (171), and adapted to receive an inductor (200) to be subjected to said inductor fault test; one or more pressure relief vent holes (15) are further formed in at least one of the sealing plate (11) and the door panel (13) so as to relieve pressure and exhaust air when the inductor (200) is cracked;
a base (3) adapted to support said body (1);
an insulating plate (9) at least partially closing off the first opening (111) and the second opening (171); and
lead-in copper bars (5) and lead-out copper bars (7) passing through the insulation board (9) and coupled to the inductor (200) for coupling to a power supply to provide current for the inductor fault experiment during the inductor fault experiment.
2. The flameproof tool (100) according to claim 1, further comprising:
-vertical mounting beams (2) located within the body (1) and coupled oppositely on the closure plate (11);
a pair of first insulating platens, each first insulating platen (4) of the pair of first insulating platens being vertically adjustably coupled to the vertical mounting beam (2); and
a pair of second insulating pressing plates, each second insulating pressing plate (10) of the pair of second insulating pressing plates having one end coupled to one first insulating pressing plate (4) of the pair of first insulating pressing plates and the other end coupled to the other first insulating pressing plate (4) of the pair of first insulating pressing plates, the pair of second insulating pressing plates being adapted to press a first end (201) of the inductor (200) during the inductor fault experiment.
3. The flameproof tool (100) of claim 2, wherein the distance of the second insulating pressure plates (10) of the second pair of insulating pressure plates relative to each other is adjustable.
4. The flameproof tool (100) according to claim 2, wherein the vertical mounting beams (2) are provided with equally spaced elongated holes (21), and each first insulating pressure plate (4) of the pair of first insulating pressure plates can be coupled to different heights of the vertical mounting beam group (2) via the elongated holes (21).
5. The flameproof tool (100) of claim 2 or 3, characterized in that each first insulating platen (4) of the pair of first insulating platens is L-shaped and comprises a plurality of first mounting holes (41), and each second insulating platen (10) of the pair of second insulating platens is coupled to the first insulating platen (4) via the first mounting holes (41).
6. The flameproof tool (100) according to claim 2, wherein each second insulating pressure plate (10) of the pair of second insulating pressure plates is L-shaped and comprises a plurality of second mounting holes (101), and a fixing member (14) can adjustably fix the inductors (200) with different diameters through the second mounting holes (101).
7. The flameproof tool (100) according to claim 1, further comprising:
the insulator support (8) is arranged on the base (3);
an insulating bottom plate (6) supported by the insulator support (8) and adapted to abut a second end (202) of the inductor (200), the insulating bottom plate (6) comprising a limiting plate mounting hole (61), an incoming copper bar mounting groove (63) and a mounting location reference line (65), wherein the incoming copper bar mounting groove (63) is adapted to receive an incoming copper bar (5); and
a stopper plate (12) provided with a stopper plate fitting hole (121), the stopper plate (12) being positioned via the mounting position reference line (65) and coupled to the insulating base plate (6) via the stopper plate fitting hole (121) and a stopper plate mounting hole (61) for clamping the inductor (200).
8. The flameproof tool (100) according to any of claims 1-4 or 6-7, wherein at least one of the incoming copper bar (5) and the outgoing copper bar (7) comprises a heat-shrinkable sleeve.
9. The flameproof tool (100) according to any of claims 1-4 or 6-7, wherein the body (1) comprises a steel plate, and the thickness of the steel plate is not less than 10 mm.
10. The flameproof tool (100) of any of claims 1-4 or 6-7, wherein overlapping surfaces of the door panel (13), the sealing plate (11) and the top plate (17) are coupled by full weld.
CN202111254720.7A 2021-10-27 2021-10-27 Explosion-proof tool for inductance fault experiment Pending CN114089230A (en)

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