CN111707912B - Insulation detection device for switch board - Google Patents
Insulation detection device for switch board Download PDFInfo
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- CN111707912B CN111707912B CN202010536589.2A CN202010536589A CN111707912B CN 111707912 B CN111707912 B CN 111707912B CN 202010536589 A CN202010536589 A CN 202010536589A CN 111707912 B CN111707912 B CN 111707912B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- Health & Medical Sciences (AREA)
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Abstract
The application discloses an insulation detection device for a power distribution cabinet, which relates to the field of power distribution cabinets and comprises a base; the conveying part comprises a positive hanging rod and a negative hanging rod, the positive hanging rod and the negative hanging rod are insulated, and hook-shaped objects are arranged at the bottoms of the positive hanging rod and the negative hanging rod and are used for hooking screw holes of the cabinet body plate; at least one cross rod fixed on the base through a fixing piece and a plurality of nozzles fixed on the cross rod, when the cabinet body plate moves to the upper part of the base, the nozzles are positioned above the cabinet body plate, and the nozzles are communicated with a liquid storage cavity filled with phenolphthalein test solution through a conduit, and the liquid storage cavity is positioned above the nozzles; the positive conductive part is connected with the positive electrode of the power supply, and the negative conductive part is connected with the negative electrode of the power supply; two wires, one end of which is communicated with the inside of the cabinet plate; through this device, can carry out comprehensive insulating nature to cabinet body board and detect, effectively reduce the power consumption risk because of the not good insulating nature of cabinet body board of switch board causes.
Description
Technical Field
The application relates to the field of power distribution cabinets, in particular to an insulation detection device for a power distribution cabinet.
Background
The power distribution cabinet is the last-stage equipment of the power distribution system. The power distribution cabinet is a generic name of a motor control center. The power distribution cabinet is used in the occasions with dispersed load and less loops; the motor control center is used for occasions with concentrated load and more loops. They distribute the power of a circuit of the upper-level distribution equipment to nearby loads. This class of equipment should provide protection, monitoring and control of the load. Because the inside electrical voltage of switch board is higher, consequently the switch board cabinet body needs to be external insulating, guarantees the safety of the outside personnel of switch board.
The inventors found that: when the cabinet body board of the power distribution cabinet is produced, after the cabinet body board is sprayed with paint, a plurality of points are generally selected to detect whether insulation exists, the insulation of the cabinet body board cannot be comprehensively detected, and certain electricity utilization risks exist.
Disclosure of Invention
Therefore, the application aims to provide an insulation detection device for a power distribution cabinet, which solves the technical problems that in the prior art, when a cabinet body plate of the power distribution cabinet is produced, after the cabinet body plate is sprayed with paint, a plurality of points are generally selected to detect whether insulation exists, the insulation of the cabinet body plate cannot be comprehensively detected, and a certain electricity utilization risk exists.
Based on the above object, the application provides an insulation detection device for a power distribution cabinet, comprising
A base;
the conveying part comprises a positive hanging rod and a negative hanging rod, the positive hanging rod and the negative hanging rod are insulated, and hook-shaped objects are arranged at the bottoms of the positive hanging rod and the negative hanging rod and used for hooking screw holes of the cabinet body plate;
at least one cross rod fixed on the base through a fixing piece and a plurality of nozzles fixed on the cross rod, when the cabinet body plate moves to the upper part of the base, the nozzles are positioned above the cabinet body plate, the nozzles are communicated with a liquid storage cavity filled with phenolphthalein test solution through a conduit, and the liquid storage cavity is positioned above the nozzles;
the positive conductive part is connected with the positive electrode of the power supply, and the negative conductive part is connected with the negative electrode of the power supply;
one end of the two wires is communicated with the inside of the cabinet body plate;
when the cabinet body plate moves to the upper side of the base through the conveying chain, the positive hanging rod is in contact with the positive conductive part, and the negative hanging rod is in contact with the negative conductive part; one of the wires is connected with the positive hanging rod, and the other wire is connected with the negative hanging rod; the nozzle is then opened and the phenolphthalein test solution is sprayed from the nozzle onto the cabinet plate.
Further, the device comprises magnets, wherein the magnets are in one-to-one correspondence with the wires, and the wires are wound on the corresponding magnets; when the cabinet body plate moves to the position above the base, one magnet is fixed on the front hanging rod through magnetic force, and the corresponding lead is contacted with the front hanging rod; the other magnet is fixed on the negative hanging rod through magnetic force, and the corresponding lead is contacted with the negative hanging rod.
Furthermore, two cross bars are symmetrically arranged; when the cabinet body plate moves to the upper part of the base, the cabinet body plate is positioned below the middle position of the two cross bars.
Further, the conveying part further comprises a fixing piece with the top end fixed to the conveying chain and a supporting rod with the upper end face fixedly connected with the bottom end of the fixing piece, a sliding groove is formed in the lower end face of the supporting rod, and the upper end of the positive hanging rod and the upper end of the negative hanging rod are both in sliding connection with the sliding groove.
Further, the chute is a T-shaped chute, and the upper ends of the positive hanging rod and the negative hanging rod are respectively provided with a T-shaped end.
Further, the positive conductive part comprises a positive supporting plate which is symmetrically arranged and a positive conductive sheet which is fixed on the inner side surface of the positive supporting plate, the positive conductive sheet is connected with the positive electrode of the power supply, the negative conductive sheet comprises a negative supporting plate which is symmetrically arranged and a negative conductive sheet which is fixed on the inner side surface of the negative supporting plate, the negative conductive sheet is connected with the negative electrode of the power supply, and both the positive conductive sheet and the negative conductive sheet have elasticity.
Further, the upper and lower positions of the positive conductive sheet and the negative conductive sheet are staggered, a first groove corresponding to the negative conductive sheet is formed in the side surface of the positive hanging rod, and the height from the first groove to the bottom plate is equal to the height from the negative conductive sheet to the bottom plate; the side surface of the negative hanging rod is provided with a second groove corresponding to the positive conducting strip, and the height from the second groove to the bottom plate is equal to the height of the positive conducting strip to the bottom plate; when the negative hanging rod passes through the positive conducting part, the positive conducting piece passes through the second groove, and a gap is reserved between the positive conducting piece and the side wall of the second groove; when the positive hanging rod passes through the negative conducting part, the negative conducting piece passes through the first groove, and a gap is reserved between the negative conducting piece and the side wall of the first groove.
Further, the device comprises a separation plate fixed on the base, wherein a detection groove is formed in the separation plate, the detection groove penetrates through the left side face, the right side face and the upper end face of the separation plate, and the cross rod is positioned in the detection groove; when the cabinet body plate moves to the position above the base, the cabinet body plate is positioned in the detection groove, and an outlet is arranged at the bottom of the detection groove.
The application has the beneficial effects that: after the cabinet body plate of the power distribution cabinet is sprayed with paint, the hook-shaped objects of the positive hanging rod and the hook-shaped objects of the negative hanging rod are respectively hooked on different screw holes of the cabinet body plate, then the cabinet body plate is conveyed through the conveying chain, when the cabinet body plate moves to the upper side of the base through the conveying chain, the positive hanging rod is in contact with the positive conductive part, the negative hanging rod is in contact with the negative conductive part, one wire is connected with the positive hanging rod, the other wire is connected with the negative hanging rod, then the nozzle is opened, at the moment, phenolphthalein test liquid is sprayed to the cabinet body plate from the nozzle, when the cabinet body plate is sprayed with the phenolphthalein test liquid, if the phenolphthalein test liquid on the cabinet body plate appears red, the situation that the cabinet body plate appears red is indicated, the insulativity is poor, and through the device, the comprehensive insulativity detection of the cabinet body plate can be carried out, and the electricity consumption risk caused by poor insulativity of the cabinet body plate of the power distribution cabinet can be effectively reduced.
Drawings
FIG. 1 is a front cross-sectional view of a specific implementation of an embodiment of the present application;
fig. 2 is a schematic structural diagram of a transmitting portion, a positive conductive portion, and a negative conductive portion in the embodiment of the present application;
FIG. 3 is a side view of a positive conductive portion in a specific implementation of an embodiment of the application;
fig. 4 is a side view of a separator plate in a specific implementation of an embodiment of the application.
The device comprises a 1-base, a 2-conveying chain, a 3-conveying part, a 4-cross rod, a 5-nozzle, a 6-positive conductive part, a 7-negative conductive part, an 8-magnet, a 9-wire, a 10-isolation plate, an 11-outlet, a 12-detection groove, a 31-fixing piece, a 32-positive hanging rod, a 33-negative hanging rod, a 34-sliding groove, a 35-first groove, a 36-second groove, a 37-supporting rod, a 61-positive supporting plate, a 62-positive conductive plate, a 71-negative supporting plate and a 72-negative conductive plate.
Detailed Description
The present application will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present application more apparent.
With the above object in view, the first aspect of the present application provides an embodiment of an insulation detection device for a power distribution cabinet, as shown in fig. 1, comprising
A base 1;
the conveying chain 2 and the conveying part 3 fixed on the conveying chain 2, wherein the conveying part 3 comprises a positive hanging rod 32 and a negative hanging rod 33, the positive hanging rod 32 and the negative hanging rod 33 are insulated, and hook-shaped objects are arranged at the bottoms of the positive hanging rod 32 and the negative hanging rod 33 and used for hooking screw holes of a cabinet body plate;
at least one cross rod 4 fixed on the base 1 through a fixing piece and a plurality of nozzles 5 fixed on the cross rod 4, when the cabinet body plate moves to the upper side of the base 1, the nozzles 5 are positioned above the cabinet body plate, and the nozzles 5 are communicated with a liquid storage cavity filled with phenolphthalein test solution through a conduit, and the liquid storage cavity is positioned above the nozzles 5;
the positive conductive part 6 and the negative conductive part 7 are respectively fixed on the base 1 through fixing pieces, the positive conductive part 6 is connected with the positive electrode of a power supply, and the negative conductive part 7 is connected with the negative electrode of the power supply;
two wires 9, wherein one end of each wire 9 is communicated with the inside of the cabinet body plate;
in this embodiment, after the paint spraying of the cabinet body board of the power distribution cabinet is completed, the hook-shaped objects of the positive hanging rod 32 and the hook-shaped objects of the negative hanging rod 33 are respectively hooked on different screw holes of the cabinet body board, then the cabinet body board is conveyed by the conveying chain 2, the conveying chain 2 can adopt a chain to realize the movement of the cabinet body board, when the cabinet body board moves to the upper side of the base 1 through the conveying chain 2, the positive hanging rod 32 is contacted with the positive conductive part 6, the negative hanging rod 33 is contacted with the negative conductive part 7, one wire 9 is connected with the positive hanging rod 32, the other wire 9 is connected with the negative hanging rod 33, then the nozzle 5 is opened, since the liquid storage cavity is positioned above the nozzle 5, after the nozzle 5 is opened, the phenolphthalein test liquid is sprayed to the cabinet body board from the nozzle 5, after the cabinet body board is completely sprayed with the phenolphthalein test liquid, if the phenolphthalein test liquid on the cabinet body board has red color, the red color appears on the cabinet body board, the red color appears, the position is indicated, the insulation is poor, and the overall insulation of the cabinet body board can be detected, and the electrical insulation risk caused by the electrical insulation of the cabinet body board is effectively reduced due to the fact that the electrical insulation is poor. In this embodiment, the wires 9 need to be fixed to the cabinet plate in advance when producing the cabinet plate of the power distribution cabinet.
As an embodiment, as shown in fig. 1, the device comprises magnets 8, wherein the magnets 8 are in one-to-one correspondence with wires 9, and the wires 9 are wound on the corresponding magnets 8; when the cabinet body plate moves to the position above the base 1, one magnet 8 is fixed on the front hanging rod 32 through magnetic force, and the corresponding lead 9 is contacted with the front hanging rod 32; the other magnet 8 is fixed on the negative hanging rod 33 through magnetic force, and the corresponding wire 9 is contacted with the negative hanging rod 33, wherein one wire 9 can be quickly fixed on the positive hanging rod 32, and the other wire 9 is fixed on the negative hanging rod 33 through the magnet 8, so that the detection efficiency is improved.
As an embodiment, as shown in fig. 4, two cross bars 4 are provided and symmetrically arranged; when the cabinet body plate moves to the upper part of the base 1, the cabinet body plate is positioned below the middle position of the two cross rods 4, so that when the phenolphthalein test solution is sprayed by the nozzle 5, the phenolphthalein test solution can be sprayed on both sides of the cabinet body plate rapidly, the detection time can be effectively reduced, and the detection efficiency can be improved.
As an embodiment, as shown in fig. 2, the conveying portion 3 further includes a fixing member 31 having a top end fixed to the conveying chain 2 and a supporting rod 37 having an upper end surface fixedly connected to a bottom end of the fixing member 31, a sliding groove 34 is provided on a lower end surface of the supporting rod 37, and an upper end of the positive hanging rod 32 and an upper end of the negative hanging rod 33 are slidably connected to the sliding groove 34.
In this embodiment, the distance between the positive hanging rod 32 and the negative hanging rod 33 can be adjusted according to different types of cabinet boards, so that the distance between the positive hanging rod 32 and the negative hanging rod is adapted to the distance between screw holes of the cabinet boards, and the application range of the device is enlarged. Here, as shown in fig. 2, the sliding groove 34 is a T-shaped groove, and the upper ends of the positive hanging rod 32 and the negative hanging rod 33 are respectively provided with a T-shaped end, so that the positive hanging rod 32 and the negative hanging rod 33 can slide normally in the T-shaped groove.
As an embodiment, as shown in fig. 2 and 3, the positive conductive part 6 includes a positive supporting plate 61 symmetrically arranged and a positive conductive sheet 62 fixed on the inner side surface of the positive supporting plate 61, the positive conductive sheet 62 is connected to the positive electrode of the power supply, the negative conductive sheet 7 includes a negative supporting plate 71 symmetrically arranged and a negative conductive sheet 72 fixed on the inner side surface of the negative supporting plate 71, the negative conductive sheet 72 is connected to the negative electrode of the power supply, and both the positive conductive sheet 62 and the negative conductive sheet 72 have elasticity.
In this embodiment, in a natural state, the shortest distance between the positive conductive plates 62 is smaller than the diameter of the positive hanging rod 32, the shortest distance between the negative conductive plates 72 is smaller than the diameter of the negative hanging rod 33, and the positive hanging rod 32 and the negative hanging rod 33 pass through the center plane between the positive conductive plates 62 and the center plane of the negative conductive plates 72, so that when the positive hanging rod 32 is between the positive conductive plates 62, the positive conductive plates 62 have compressive force to ensure tight contact between the positive conductive plates 62 and the negative conductive plates 72, and similarly, the negative hanging rod 33 is also in tight contact with the negative conductive plates 72 through the negative conductive plates 72.
As an embodiment, as shown in fig. 2 and 3, the upper and lower positions of the positive conductive sheet 62 and the negative conductive sheet 72 are staggered, the side surface of the positive hanging rod 32 is provided with a first groove 35 corresponding to the negative conductive sheet 72, and the height of the first groove 35 from the bottom plate 1 is equal to the height from the negative conductive sheet 72 to the bottom plate 1; the side surface of the negative hanging rod 33 is provided with a second groove 36 corresponding to the positive conducting strip 62, and the height of the second groove 36 to the bottom plate 1 is equal to the height of the positive conducting strip 62 to the bottom plate 1.
In this embodiment, when the negative hanging rod 33 passes through the positive conductive 62 part 6, the positive conductive sheet 62 passes through the second groove 36, and a gap is formed between the positive conductive sheet 62 and the side wall of the second groove 36, so that friction is not generated on the positive conductive sheet 62 when the negative hanging rod 33 passes through the positive conductive part 6; when the positive hanging rod 32 passes through the negative conductive part 7, the negative conductive sheet 72 passes through the first groove 35, and a gap is reserved between the negative conductive sheet 72 and the side wall of the first groove 35; therefore, the positive hanger bar 32 does not rub against the negative conductive sheet 72 when passing through the negative conductive portion 7. Thus extending the useful life of the positive and negative conductive plates 62, 72.
As an embodiment, as shown in fig. 1, the device comprises a separation plate 10 fixed on a base 1, wherein a detection groove 12 is arranged in the separation plate 10, the detection groove 12 penetrates through the left side surface, the right side surface and the upper end surface of the separation plate 10, and the cross rod 4 is positioned in the detection groove 12; when the cabinet body plate moves to the position above the base 1, the cabinet body plate is positioned in the detection groove 12, and an outlet 11 is arranged at the bottom of the detection groove 12.
In this embodiment, the phenolphthalein test solution is collected in the detection tank 12 when sprayed through the detection tank 12, so that the phenolphthalein test solution does not affect other devices, and other test solutions except the phenolphthalein test solution adhered to the cabinet plate flow out from the outlet 11 in a concentrated manner.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of the application and there are many other variations of the different aspects of the application as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present application should be included in the scope of the present application.
Claims (3)
1. Insulation detection device for switch board, its characterized in that: comprising
A base (1);
the conveying chain (2) and a conveying part (3) fixed on the conveying chain (2), wherein the conveying part (3) comprises a positive hanging rod (32) and a negative hanging rod (33), the positive hanging rod (32) and the negative hanging rod (33) are insulated, and hook-shaped objects are arranged at the bottoms of the positive hanging rod and the negative hanging rod and are used for hooking screw holes of a cabinet body plate;
at least one cross rod (4) fixed on the base (1) through a fixing piece and a plurality of nozzles (5) fixed on the cross rod (4), when the cabinet body plate moves to the upper side of the base (1), the nozzles (5) are positioned above the cabinet body plate, and the nozzles (5) are communicated with a liquid storage cavity filled with phenolphthalein test liquid through a conduit, and the liquid storage cavity is positioned above the nozzles (5);
the positive conductive part (6) and the negative conductive part (7) are respectively fixed on the base (1) through fixing pieces, the positive conductive part (6) is connected with the positive electrode of a power supply, and the negative conductive part (7) is connected with the negative electrode of the power supply;
two wires (9), one end of each wire (9) is communicated with the inside of the cabinet body plate;
when the cabinet body plate moves to the upper part of the base (1) through the conveying chain (2), the positive hanging rod (32) is in contact with the positive conductive part (6), and the negative hanging rod (33) is in contact with the negative conductive part (7); one of the wires (9) is connected with a positive hanging rod (32), and the other wire (9) is connected with a negative hanging rod (33); then the nozzle (5) is opened, and the phenolphthalein test solution is sprayed from the nozzle (5) to the cabinet plate;
the conveying part (3) further comprises a fixing piece (31) with the top end fixed on the conveying chain (2) and a supporting rod (37) with the upper end face fixedly connected with the bottom end of the fixing piece (31), a sliding groove (34) is formed in the lower end face of the supporting rod (37), and the upper end of the positive hanging rod (32) and the upper end of the negative hanging rod (33) are both in sliding connection with the sliding groove (34);
the positive conductive part (6) comprises a positive supporting plate (61) which is symmetrically arranged and a positive conductive sheet (62) which is fixed on the inner side surface of the positive supporting plate (61), the positive conductive sheet (62) is connected with the positive electrode of the power supply, the negative conductive part (7) comprises a negative supporting plate (71) which is symmetrically arranged and a negative conductive sheet (72) which is fixed on the inner side surface of the negative supporting plate (71), the negative conductive sheet (72) is connected with the negative electrode of the power supply, and both the positive conductive sheet (62) and the negative conductive sheet (72) have elasticity;
the positive conductive sheet (62) and the negative conductive sheet (72) are staggered in the vertical position, a first groove (35) corresponding to the negative conductive sheet (72) is formed in the side surface of the positive hanging rod (32), and the height of the first groove (35) to the bottom plate (1) is equal to that of the negative conductive sheet (72) to the bottom plate (1); the side surface of the negative hanging rod (33) is provided with a second groove (36) corresponding to the positive conducting strip (62), and the height of the second groove (36) to the bottom plate (1) is equal to that of the positive conducting strip (62) to the bottom plate (1); when the negative hanging rod (33) passes through the positive conducting part (6), the positive conducting plate (62) passes through the second groove (36), and a gap is reserved between the positive conducting plate (62) and the side wall of the second groove (36); when the positive hanging rod (32) passes through the negative conducting part (7), the negative conducting piece (72) passes through the first groove (35), and a gap is reserved between the negative conducting piece (72) and the side wall of the first groove (35);
the device comprises magnets (8), wherein the magnets (8) are in one-to-one correspondence with wires (9), and the wires (9) are wound on the corresponding magnets (8); when the cabinet body plate moves to the position above the base (1), one magnet (8) is fixed on the front hanging rod (32) through magnetic force, and the corresponding lead (9) is contacted with the front hanging rod (32); the other magnet (8) is fixed on the negative hanging rod (33) through magnetic force, and the corresponding lead (9) is contacted with the negative hanging rod (33);
the device comprises a separation plate (10) fixed on a base (1), wherein a detection groove (12) is formed in the separation plate (10), the detection groove (12) penetrates through the left side face, the right side face and the upper end face of the separation plate (10), and the cross rod (4) is positioned in the detection groove (12); when the cabinet body plate moves to the position above the base (1), the cabinet body plate is positioned in the detection groove (12), and an outlet (11) is arranged at the bottom of the detection groove (12).
2. The insulation detection device for a power distribution cabinet according to claim 1, wherein: the two cross bars (4) are symmetrically arranged; when the cabinet body plate moves to the upper part of the base (1), the cabinet body plate is positioned below the middle position of the two cross bars (4).
3. The insulation detection device for a power distribution cabinet according to claim 1, wherein: the chute (34) is a T-shaped groove, and the upper ends of the positive hanging rod (32) and the negative hanging rod (33) are respectively provided with a T-shaped end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536589.2A CN111707912B (en) | 2020-06-12 | 2020-06-12 | Insulation detection device for switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536589.2A CN111707912B (en) | 2020-06-12 | 2020-06-12 | Insulation detection device for switch board |
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| Publication Number | Publication Date |
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| CN111707912A CN111707912A (en) | 2020-09-25 |
| CN111707912B true CN111707912B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010536589.2A Active CN111707912B (en) | 2020-06-12 | 2020-06-12 | Insulation detection device for switch board |
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| CN (1) | CN111707912B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115184754B (en) * | 2022-09-09 | 2022-12-06 | 江苏通强电气设备有限公司 | Insulation detection equipment for power distribution cabinet |
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