CN117013373B - Connection structure of transformer and high-voltage board and monitoring temperature measurement assembly inside the board - Google Patents

Abstract

The invention relates to the technical field of transformers and discloses a connecting structure of a transformer and a high-voltage cabinet and a monitoring and temperature measuring assembly in the cabinet, which comprises a cabinet body, wherein an insulating plate in the cabinet body divides the cabinet body into a first cavity and a second cavity, the first cavity is used for installing a transformer body, and the second cavity is used for installing a switch body; the first copper bar, the second copper bar, the third copper bar and the fourth copper bar of the transformer body are connected with a fifth copper bar; the second vertical section of the fifth copper bar is connected with a sixth copper bar; the free end of the sixth copper bar is connected with a seventh copper bar; the horizontal section of the seventh copper bar is connected with an eighth copper bar; the eighth copper bar is connected with a ninth copper bar, the ninth copper bar is used for connecting a contact of a switch body, the switch body is positioned in a second cavity of the cabinet body, and the switch body is arranged on the supporting component; according to the transformer, the first copper bar to the ninth copper bar are arranged, the connection structure between the transformer body and the switch body is tiled and unfolded, the problem of busbar overlapping is solved, and the temperature detection by operators is facilitated.

Description

Connection structure of transformer and high-voltage board and monitoring temperature measurement assembly inside the board

Technical Field

The invention relates to the technical field of transformers, in particular to a connecting structure of a transformer and a high-voltage cabinet and a monitoring and temperature measuring assembly in the cabinet.

Background

A dry transformer is a transformer in which an iron core and a winding are not immersed in an insulating liquid, and is generally used in hospitals, schools, residential communities, and industrial and mining enterprises, as compared with an oil immersed transformer. Dry transformers are typically placed in the room in close proximity to the high and low voltage switchgear. The high voltage is generally connected by adopting a cable, and the low-voltage outgoing line of the dry-type transformer is connected with the incoming line cabinet of the low-voltage switch cabinet by adopting a copper bar.

Patent number CN201210189465.7 discloses a connecting device of transformer and main busbar of cubical switchboard, including a plurality of first busbar, first busbar connects transformer and cubical switchboard, connecting device still includes: the transformer comprises a support and an insulating part, wherein the lower end of the support is connected with the transformer, the insulating part is fixed at the upper end of the support, the insulating part is in a strip shape, a plurality of grooves are formed in the insulating part, and the first busbar is buckled in the grooves.

The patent number CN 202021395338.9 discloses a connection and fixation structure of a transformer and a switch cabinet, which comprises a transformer base, a transformer shell, expansion bolts, channel steel, a steel plate, a switch cabinet shell, a switch cabinet busbar, a transformer busbar and a connecting bolt; the transformer base is fixed on the floor structure by adopting expansion bolts; the transformer shell is fixed on the building plastering by adopting expansion bolts; the steel plate is fixed on the floor structure by adopting expansion bolts; the channel steel is welded on the steel plate; the switch cabinet shell is welded on the two channel steels; the side face of the switch cabinet busbar is led out and connected with the transformer busbar; the plastering layer covers the connection part of the transformer base and the floor slab structure.

Although the existing busbar connection structure in the transformer cabinet and the high-voltage cabinet overcomes the defects of supporting strength and installation, the installation positions of the busbars are mutually overlapped, so that the temperature measurement operation of the busbars and the switch contacts is not facilitated, and therefore the connection structure of the transformer and the high-voltage cabinet, which is convenient for carrying out temperature measurement operation, is provided.

Disclosure of Invention

The invention aims to provide a connecting structure of a transformer and a high-voltage cabinet and a monitoring and temperature measuring assembly in the cabinet, and solves the problem that the mounting positions of the busbar proposed in the background art are mutually overlapped, so that the temperature measuring operation of the busbar and a switch contact is not facilitated.

The technical scheme adopted by the invention is as follows: the connecting structure of the transformer and the high-voltage cabinet comprises a cabinet body, a transformer body and a switch body, wherein the cabinet body is in a rectangular pipe shape, and the cabinet body is horizontally arranged with an opening facing outwards; the inner wall of the cabinet body is connected with two side plates, the side plates are symmetrically arranged on the vertical section of the cabinet body, and the side plates are positioned close to the middle cabinet body; the two sides of the side plate are connected with insulating plates through bolts, the insulating plates divide the cabinet body into a first cavity and a second cavity, the first cavity is used for installing the transformer body, and the second cavity is used for installing the switch body; the bottom surface of the first chamber is connected with supporting seats through bolts, the supporting seats are in a shape like a Chinese character 'ji', the number of the supporting seats is 2, and the supporting seats are symmetrically arranged on the longitudinal surface of the cabinet body; the top surface of the supporting seat is connected with channel steel through bolts, the number of the channel steel is 2, the arrangement direction of the channel steel is perpendicular to the supporting seat, and the channel steel and the supporting seat form a groined structure; the top surface of the channel steel is provided with the transformer body; the transformer body is provided with a first copper bar, a second copper bar, a third copper bar and a fourth copper bar, wherein the first copper bar is a U-phase copper bar, the second copper bar is a V-phase copper bar, the third copper bar is a W-phase copper bar, and the fourth copper bar is a PE bus copper bar; the first copper bar, the second copper bar, the third copper bar and the fourth copper bar are connected with a fifth copper bar through bolts, the fifth copper bar consists of a first vertical section, an inclined section and a second vertical section, the inclined angles of the inclined sections of the fifth copper bar on the first copper bar, the second copper bar and the third copper bar become larger gradually, and the change angles are the same; the fifth copper bar inclined section connected with the fourth copper bar is in mirror symmetry with the fifth copper bar inclined section connected with the third copper bar; the second vertical section of the fifth copper bar is connected with a sixth copper bar through a bolt, the shape of the sixth copper bar is a bar, the surface of the sixth copper bar is vertical to the surface of the insulating board, the sixth copper bar is used for penetrating through the insulating board, specifically, four through grooves are formed in the end face of the insulating board, the through grooves are used for penetrating through the sixth copper bar, the lengths of the four sixth copper bars are different, and the free ends of the sixth copper bars connected with the fourth copper bar, the third copper bar, the second copper bar and the first copper bar gradually protrude in sequence to form a step shape; the free end of the sixth copper bar is connected with a seventh copper bar through a bolt, the seventh copper bar is L-shaped, and the lengths of vertical sections connecting the fourth copper bar, the third copper bar, the second copper bar and the seventh copper bar on the first copper bar are gradually increased in sequence; the horizontal section of the seventh copper bar is connected with an eighth copper bar through a bolt, the shape of the eighth copper bar is a bar, and the surface of the eighth copper bar is parallel to the surface of the insulating plate; the eighth copper bar is connected with a ninth copper bar through a bolt, the shape of the ninth copper bar is Z-shaped, the length of a vertical section connecting the fourth copper bar, the third copper bar, the second copper bar and the ninth copper bar on the first copper bar is gradually shortened in sequence, the ninth copper bar is used for connecting a contact of a switch body, the contact face of the switch body is perpendicular to the face of an insulating plate, the switch body is located in a second cavity of the cabinet body, and the switch body is arranged on a supporting component.

The monitoring and temperature measuring assembly comprises a reciprocating mechanism, an infrared imager and a wire collecting mechanism, wherein the reciprocating mechanism is arranged on the top surface of a cabinet body, an insulating plate in the cabinet body is provided with a notch, the notch enables a first cavity and a second cavity of the cabinet body to be communicated, the reciprocating mechanism comprises a guide rail, a moving block is connected onto the guide rail in a sliding manner, the infrared imager is connected onto the moving block through a bolt, and an electric wire of the infrared imager penetrates through an electric wire penetrating hole to be connected with a power supply; one side of the moving block is connected with a telescopic rod, and the tail end of the telescopic rod is fixedly connected with the top surface of the cabinet body; the wire winding mechanism is used for winding wires of the infrared imager.

The invention has the beneficial effects that: according to the method, the first copper bar to the ninth copper bar are arranged, so that the connection structure between the transformer body and the switch body is tiled and unfolded, the problem of overlapping of the busbar is solved, and an operator can conveniently detect the temperature; this application can carry out comprehensive detection to the heating point on the transformer body and on the switch body simultaneously through setting up the infrared imager that can remove.

Drawings

Fig. 1 is a schematic view of a front view in cross section.

Fig. 2 is a schematic top view of the insulating plate on the side plate.

Fig. 3 is a schematic top view of the transformer body.

Fig. 4 is a schematic perspective view of a fifth copper bar.

Fig. 5 is a schematic side view of the through groove on the insulating plate.

Fig. 6 is a schematic top view of a sixth copper bar.

Fig. 7 is a schematic perspective view of a sixth copper bar.

Fig. 8 is a schematic perspective view of a seventh copper bar.

Fig. 9 is a schematic perspective view of an eighth copper bar.

Fig. 10 is a schematic perspective view of a ninth copper bar.

Fig. 11 is a schematic perspective view of a ninth copper bar.

Fig. 12 is a schematic side sectional structure of the wire-passing hole.

Fig. 13 is a schematic perspective view of a support assembly.

Fig. 14 is a schematic diagram showing a front view cross-sectional structure of the base plate and the support column.

Fig. 15 is a schematic side sectional structure of the clamping assembly.

Fig. 16 is a schematic view of a front cross-sectional structure of the carrier.

Fig. 17 is a schematic side view of the upper molding of the carrier.

Fig. 18 is a schematic view of the front view of the bolt plate.

Fig. 19 is a schematic perspective view of a tenth copper bar.

Fig. 20 is a schematic side sectional structure of an insulation assembly.

Fig. 21 is a schematic side view of the reciprocating mechanism.

Fig. 22 is a schematic diagram showing a front view of the reciprocating mechanism.

Fig. 23 is a network topology of an infrared imager.

Fig. 24 is a schematic side sectional structure of the wire winding mechanism.

Fig. 25 is a schematic perspective view of a disc spring.

Fig. 26 is a schematic perspective view of a boom.

Fig. 27 is a schematic top view of a cross hinge lever.

Fig. 28 is a schematic perspective view of a line card.

In the figure: 1. a cabinet body; 2. a transformer body; 3. a switch body; 4. a side plate; 5. an insulating plate; 6. a first chamber; 7. a second chamber; 8. a support base; 9. channel steel; 10. a first copper bar; 11. a second copper bar; 12. a third copper bar; 13. a fourth copper bar; 14. a fifth copper bar; 15. a first vertical section; 16. an inclined section; 17. a second vertical section; 18. a sixth copper bar; 19. a through groove; 20. a seventh copper bar; 21. an eighth copper bar; 22. a ninth copper bar; 23. a support assembly; 24. a cabinet door; 25. a wire passing hole; 26. a ground wire; 27. a vertical support; 28. a circular rectangular groove; 29. a longitudinal support; 30. a bottom plate; 31. a support column; 32. a clamping assembly; 33. a fixing seat; 34. a lower groove; 35. a slide; 36. a movable seat; 37. a pressing plate; 38. an upper groove; 39. a flange; 40. a light hole; 41. a connecting bolt; 42. a first spring; 43. a bearing seat; 44. a stepped groove; 45. pressing strips; 46. a bolt plate; 47. a tenth copper bar; 48. parallel sections; 49. an insulating assembly; 50. a substrate; 51. a bolt head; 52. guide sleeve; 53. a top plate; 54. a reciprocating mechanism; 55. an infrared imager; 56. a wire winding mechanism; 57. a notch; 58. a guide rail; 59. a moving block; 60. a telescopic rod; 61. a first baffle disc; 62. a second baffle disc; 63. a rotating rod; 64. a bifurcation lever; 65. a disc spring; 66. a cover body; 67. a boom; 68. a circular ring; 69. a hinge ear; 70. a connecting rod; 71. a cross hinge rod; 72. line cards.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the like or similar elements throughout or elements having like or similar functionality; the embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," second, "" third, "" fourth, "" fifth, "" sixth, "" seventh, "" eighth, "" ninth, "and tenth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The basic structure of the channel steel consists of upper and lower flanges and a middle web plate. The upper and lower flanges are two "wings" of channel section, which mainly function to carry bending loads. The web plate is a flat plate for connecting the upper flange and the lower flange, bears shearing force and longitudinal tensile force, and is also a supporting point of the channel steel.

Embodiment one.

As shown in fig. 1, a connection structure of a transformer and a high-voltage cabinet comprises a cabinet body 1, a transformer body 2, a switch body 3 and a supporting component 23, wherein the cabinet body 1 is in a rectangular pipe shape, and the cabinet body 1 is horizontally arranged and has an outward opening; as shown in fig. 2, the inner wall of the cabinet body 1 is connected with two side plates 4, the side plates 4 are symmetrically arranged on the vertical section of the cabinet body 1, and the side plates 4 are positioned close to the middle cabinet body 1; the two sides of the side plate 4 are connected with insulating plates 5 through bolts, the insulating plates 5 divide the cabinet body 1 into a first cavity 6 and a second cavity 7, the first cavity 6 is used for installing the transformer body 2, and the second cavity 7 is used for installing the switch body 3; the bottom surface of the first chamber 6 is connected with supporting seats 8 through bolts, the supporting seats 8 are in a shape like a Chinese character 'ji', the number of the supporting seats 8 is 2, and the supporting seats 8 are symmetrically arranged on the longitudinal surface of the cabinet body 1; the top surface of the supporting seat 8 is connected with channel steel 9 through bolts, the number of the channel steel 9 is 2, the arrangement direction of the channel steel 9 is perpendicular to the supporting seat 8, and the channel steel 9 and the supporting seat form a groined structure; as shown in fig. 3, the top surface of the channel steel 9 is provided with the transformer body 2; the transformer body 2 is provided with a first copper bar 10, a second copper bar 11, a third copper bar 12 and a fourth copper bar 13, wherein the first copper bar 10 is a U-phase copper bar, the second copper bar 11 is a V-phase copper bar, the third copper bar 12 is a W-phase copper bar, and the fourth copper bar 13 is a PE bus bar copper bar; as shown in fig. 4, the first copper bar 10, the second copper bar 11, the third copper bar 12 and the fourth copper bar 13 are connected with a fifth copper bar 14 through bolts, the fifth copper bar 14 is composed of a first vertical section 15, an inclined section 16 and a second vertical section 17, and the inclined angles of the inclined sections 16 of the fifth copper bar 14 on the first copper bar 10, the second copper bar 11 and the third copper bar 12 become larger gradually (seen from a side view), and the change angles are the same; the inclined section 16 of the fifth copper bar 14 connected with the fourth copper bar 13 is in mirror symmetry with the inclined section 16 of the fifth copper bar 14 connected with the third copper bar 12; the second vertical section 17 of the fifth copper bar 14 is connected with a sixth copper bar 18 through a bolt, the shape of the sixth copper bar 18 is a bar, the surface of the sixth copper bar 18 is perpendicular to the surface of the insulating board 5, the sixth copper bar 18 is used for penetrating through the insulating board 5, specifically, as shown in fig. 5, four through grooves 19 are formed in the end face of the insulating board 5, the through grooves 19 are used for penetrating through the sixth copper bar 18, the lengths of the four sixth copper bars 18 are different, as shown in fig. 6 and 7, the free ends of the sixth copper bars 18 on the connecting fourth copper bar 13, the third copper bar 12, the second copper bar 11 and the first copper bar 10 gradually protrude in sequence to form a step shape; as shown in fig. 8, the free end of the sixth copper bar 18 is connected with a seventh copper bar 20 through bolts, the seventh copper bar 20 is L-shaped, and the lengths of the vertical sections connecting the fourth copper bar 13, the third copper bar 12, the second copper bar 11 and the seventh copper bar 20 on the first copper bar 10 are gradually increased in sequence; as shown in fig. 9, the horizontal section of the seventh copper bar 20 is connected with an eighth copper bar 21 by bolts, the shape of the eighth copper bar 21 is a bar, and the surface of the eighth copper bar 21 is parallel to the surface of the insulating plate 5; as shown in fig. 10 and 11, the eighth copper bar 21 is connected with a ninth copper bar 22 through bolts, the shape of the ninth copper bar 22 is Z-shaped, the lengths of vertical sections of the ninth copper bar 22 connected with the fourth copper bar 13, the third copper bar 12, the second copper bar 11 and the first copper bar 10 are gradually shortened in sequence, the ninth copper bar 22 is used for connecting contacts of the switch body 3, the surface of the contacts of the switch body 3 is vertical to the surface of the insulating plate 5, the switch body 3 is positioned in the second cavity 7 of the cabinet body 1, and the switch body 3 is arranged on the supporting component 23; by arranging the first copper bar 22 to the ninth copper bar 22, the connection structure between the transformer body 2 and the switch body 3 is tiled and unfolded, the problem of busbar overlapping is solved, and the temperature detection by operators is facilitated.

As shown in fig. 1, as an optimization of an embodiment, the cabinet door 24 is installed at two side openings of the cabinet body 1, and the cabinet door 24 can be selected to be opened singly or in opposite directions.

As shown in fig. 12, as an embodiment optimization, the cabinet body 1 is provided with a wire penetrating hole 25.

As shown in fig. 12, as an optimization of the embodiment, the cabinet 1 is installed with a grounding wire 26.

As shown in fig. 13, as an optimization of the embodiment, the supporting component 23 includes vertical supports 27, the vertical supports 27 are disposed in the second chamber 7 of the cabinet body 1, the vertical supports 27 are symmetrically disposed in the vertical section of the cabinet body 1, two vertical supports 27 are in a group, and in this embodiment, two groups of vertical supports 27 are disposed in the cabinet body 1; the vertical supports 27 are U-shaped, openings of the vertical supports 27 on two sides are opposite, a web plate of the vertical support 27 is fixed with the cabinet body 1 through bolts, and the detachable vertical supports 27 are arranged to facilitate disassembly and assembly of the insulating plate 5 in the second chamber 7; rounded rectangular grooves 28 are formed in the two wing edges of the vertical support 27 and are equidistantly arranged, and the plurality of rounded rectangular grooves 28 facilitate the position adjustment of the switch body 3; the opposite vertical supports 27 are connected with vertical supports 29 through bolts in a gap, the shape of the vertical supports 29 is U-shaped, and the openings of the vertical supports 29 are downward; rounded rectangular grooves 28 are formed in the two wing edges of the longitudinal support 29 at equal intervals, and the rounded rectangular grooves 28 are used for penetrating through bolts to connect the vertical support 27; the web of the longitudinal support 29 is provided with round rectangular grooves 28 which are equidistantly arranged, and the round rectangular grooves 28 are used for penetrating through the bolt connection switch body 3; the height of the switch body 3 is convenient to adjust by arranging the support component 23, and the horizontal arrangement of the switch body 3 is realized, so that the follow-up temperature measurement operation is facilitated.

As shown in fig. 14, as an optimization of the embodiment, considering the above-mentioned problem of the support of the sixth copper bar 18, a bottom plate 30 is connected to the support base 8 located in the first chamber 6 by bolts, and the arrangement direction of the bottom plate 30 is perpendicular to the support base 8; the top surface of the bottom plate 30 is fixedly connected with a support column 31, and the arrangement direction of the support column 31 is perpendicular to the bottom plate 30; the support column 31 is connected with a clamping assembly 32 through bolts, and the clamping assembly 32 is used for clamping and fixing the position of the sixth copper bar 18; as shown in fig. 15, the clamping assembly 32 includes a fixing base 33, the fixing base 33 is made of an insulating material (such as ceramic or rubber), the fixing base 33 is in a rectangular parallelepiped shape, a lower groove 34 is formed on the top surface of the fixing base 33, and the lower groove 34 is used for accommodating the sixth copper bar 18 connected to the first copper bar 10, the second copper bar 11, the third copper bar 12 and the fourth copper bar 13; two side edges of the fixed seat 33 are fixedly connected with sliding seats 35, and the sliding grooves of the sliding seats 35 are U-shaped; the sliding groove of the sliding seat 35 is slidably connected with a movable seat 36, the movable seat 36 is U-shaped, an opening of the movable seat 36 is downward, a pressing plate 37 is fixedly connected to the inner side of a web plate of the movable seat 36, the pressing plate 37 is made of insulating material (such as ceramic or rubber), an upper groove 38 is formed in the pressing plate 37, and the upper groove 38 is used for accommodating a sixth copper bar 18 connected with the first copper bar 10, the second copper bar 11, the third copper bar 12 and the fourth copper bar 13; flanges 39 are connected with the flanges 39 on the two sides of the movable seat 36, and the flanges 39 on the two sides face outwards so that the movable seat 36 forms a shape like a Chinese character 'ji'; the flange 39 and the slide seat 35 are provided with the penetrating light holes 40, the light holes 40 are screwed with the connecting bolts 41, the connecting bolts 41 are sleeved with the first springs 42, the first springs 42 are elastically connected between the slide seat 35 and the flange 39, and the movable seat 36 continuously presses down the 4 sixth copper bars 18 by arranging the first springs 42, so that the support effect is good, and the insulation effect is achieved.

As shown in fig. 16, as an optimization of the embodiment, considering the above-mentioned supporting problem of the eighth copper bar 21, the second chamber 7 of the cabinet body 1 is connected with the supporting seats 8 by bolts, the supporting seats 8 are connected with the supporting columns 31 by bolts, the number of the supporting columns 31 is 2, the supporting columns 31 are fixedly connected with the bearing seats 43, the bearing seats 43 are made of insulating materials (such as ceramics or rubber), and the bearing seats 43 are rectangular; as shown in fig. 17, the opposite surfaces of the two bearing seats 43 are provided with stepped grooves 44, and the stepped grooves 44 are used for placing the eighth copper bar 21 connected with the first copper bar 10, the second copper bar 11, the third copper bar 12 and the fourth copper bar 13; the pressing strips 45 are connected to the stepped grooves 44 through bolts, the pressing strips 45 are used for fixing the eighth copper bars 21, the pressing strips 45 are made of insulating materials (such as ceramics or rubber), the pressing strips 45 are stepped, and 4 eighth copper bars 21 are pressed through the bearing seat 43 and the pressing strips 45, so that the supporting effect is good, and the insulating effect is achieved.

Embodiment two.

As shown in fig. 18, in view of the above-mentioned problem of supporting the sixth copper bar 18, another structure for supporting the sixth copper bar 18 is proposed, wherein a bottom plate 30 is connected to the supporting base 8 located in the first chamber 6 by bolts, and the bottom plate 30 is arranged in a direction perpendicular to the supporting base 8; the top surface of the bottom plate 30 is fixedly connected with a support column 31, and the arrangement direction of the support column 31 is perpendicular to the bottom plate 30; the support column 31 is connected with a clamping component 32 through bolts; the clamping assembly 32 comprises a fixing seat 33, wherein the fixing seat 33 is made of an insulating material (such as ceramic or rubber), the fixing seat 33 is in a cuboid shape, a lower groove 34 is formed in the top surface of the fixing seat 33, and the lower groove 34 is used for accommodating a sixth copper bar 18 connected with the first copper bar 10, the second copper bar 11, the third copper bar 12 and the fourth copper bar 13; bolt plates 46 are fixedly connected to two side edges of the fixed seat 33; the bolt plate 46 is connected with a movable seat 36 through bolts, the movable seat 36 is shaped like a Chinese character 'ji', the inner side of a web plate of the movable seat 36 is fixedly connected with a pressing plate 37, the pressing plate 37 is made of insulating materials (such as ceramics or rubber), an upper groove 38 is formed in the pressing plate 37, and the upper groove 38 is used for accommodating a sixth copper bar 18 connected with the first copper bar 10, the second copper bar 11, the third copper bar 12 and the fourth copper bar 13; the fixing seat 33 and the pressing plate 37 are arranged to enable the 4 sixth copper bars 18 to be pressed tightly, so that the supporting effect is good, and the insulating effect is achieved.

Embodiment three.

As shown in fig. 19, and in the optimization of the first embodiment, considering that the number of connection points between the fifth copper bar 14 and the sixth copper bar 18 is large, and the number of heat generating points is also large, a structure comprising the fifth copper bar 14 and the sixth copper bar 18 is proposed, wherein the first copper bar 10, the second copper bar 11, the third copper bar 12 and the fourth copper bar 13 are connected with a tenth copper bar 47 through bolts, the tenth copper bar 47 is composed of a first vertical section 15, an inclined section 16, a second vertical section 17 and a parallel section 48, and the inclined angle of the inclined section 16 of the fifth copper bar 14 on the first copper bar 10, the second copper bar 11 and the third copper bar 12 is gradually increased (from a side view), and the change angles are the same; the tenth copper bar 47 inclined section 16 positioned on the fourth copper bar 13 is in mirror symmetry with the tenth copper bar 47 inclined section 16 connected with the third copper bar 12; the parallel section 48 of the tenth copper bar 47 is used for connecting the seventh copper bar 20 by penetrating through the insulating board 5, specifically, four through grooves 19 are formed on the end surface of the insulating board 5, the through grooves 19 are used for penetrating through the tenth copper bar 47, and the lengths of the parallel sections 48 of the four preferred tenth copper bars 47 are different; by combining the fifth copper bar 14 and the sixth copper bar 18, heating points are reduced, and later temperature measurement operation is not affected.

Example four.

As shown in fig. 20, unlike the embodiment, considering that the through groove 19 is in clearance fit with the sixth copper bar 18, the insulating assembly 49 is installed in the through groove 19, the insulating assembly 49 includes a base plate 50, the number of the base plates 50 is 2, the base plates 50 are symmetrically arranged at two sides of the sixth copper bar 18, the base plates 50 are in threaded connection with bolt heads 51, screwing parts of the bolt heads 51 face outwards, threaded parts of the bolt heads 51 are in sliding connection with guide sleeves 52, free ends of the guide sleeves 52 are connected with top plates 53, the distance between the top plates 53 and the base plates 50 is increased by screwing the bolt heads 51, and therefore the two side top plates 53 clamp the sixth copper bar 18.

Further, considering that each copper bar in the cabinet body 1 and the contact of the switch body 3 are easy to generate heat, temperature measurement is required; the Chinese patent with the patent number of CN 202221229524.4 discloses a mounting structure of an infrared thermal imaging terminal of a switch cabinet, the switch cabinet comprises a shell, a universal joint mounting plate is fixed in the shell, a universal joint assembly is fixed on the universal joint mounting plate, a probe mounting plate is sleeved on the other end of the universal joint assembly, a probe assembly is fixed on the probe mounting plate, a through hole is formed in the shell, the probe assembly is located at the through hole, a PCB main board is further fixed in the shell, the universal joint assembly comprises a universal joint seat, a spherical steering head is arranged in the universal joint seat, one end of the spherical steering head is a ball head, and the other end of the spherical steering head is a screw rod. Although the probe of infrared thermal imaging can be adjusted angularly, the detection position is fixed, and the heating points on the transformer body 2 and the switch body 3 cannot be detected comprehensively. As shown in fig. 21, therefore, a monitoring and temperature measuring assembly for the inside of a cabinet with a connection structure of a transformer and a high-voltage cabinet is provided, which comprises a reciprocating mechanism 54, an infrared imager 55 and a wire collecting mechanism 56, wherein the reciprocating mechanism 54 is arranged on the top surface of the cabinet body 1, a notch 57 is formed on an insulating plate 5 in the cabinet body 1, the notch 57 enables a first chamber 6 and a second chamber 7 of the cabinet body 1 to be communicated, as shown in fig. 22, the reciprocating mechanism 54 comprises a guide rail 58, a moving block 59 is slidingly connected on the guide rail 58, the moving block 59 is connected with the infrared imager 55 through a bolt, a wire of the infrared imager 55 passes through a wire penetrating hole 25 and is connected with a power supply, and the model of the infrared imager 55 is DH-TPC-KF2241; one side of the moving block 59 is connected with a telescopic rod 60, the telescopic rod 60 can be one of a hydraulic cylinder, an electric push rod and an air cylinder, the tail end of the telescopic rod 60 is fixedly connected with the top surface of the cabinet body 1, the moving block 59 is enabled to move along the guide rail 58 through the telescopic rod 60, and the infrared imager 55 is enabled to measure the temperature of each copper bar on the path and the contact of the switch body 3; the wire winding mechanism 56 is used for winding the wires of the infrared imager 55, so as to prevent the wires of the infrared imager 55 from being short-circuited; the infrared imager 55 that this application can remove through setting up, can carry out comprehensive detection to the heating point on the transformer body 2 and on the switch body 3 simultaneously.

As shown in fig. 23, as optimization of the embodiment, a power supply for supplying power to the infrared imager 55 is arranged outside the cabinet body 1, the infrared imager 55 is connected with a server through a gigabit network, the infrared imager 55 is connected with a centralized control platform through the gigabit network, and the infrared imager 55 is connected with an NVR through the gigabit network. The abnormal detection result of each temperature measuring device can be checked through the centralized control platform; if the image information of all the devices needs to be checked at the same time, NVRs supporting the corresponding access paths need to be provided; the heavy point detection area can be selected, and an overtemperature abnormal alarm threshold value is set; when abnormal temperature is detected, reporting alarm information to a centralized control platform, sending out alarm information, and simultaneously photographing and storing abnormal images; each device is configured with an independent ID, so that abnormal devices can be rapidly positioned; the heat map transmission is real-time, and is beneficial to timely uploading the temperature information of the internal equipment of the cabinet body 1 to the server.

As shown in fig. 24, as an optimization of the embodiment, the wire winding mechanism 56 includes a first baffle plate 61, a second baffle plate 62, and a rotating rod 63, where the first baffle plate 61 and the second baffle plate 62 are disposed on the cabinet body 1, the rotating rod 63 is rotatably connected to a gap between the first baffle plate 61 and the second baffle plate 62, a branching rod 64 is fixedly connected to a side wall of the rotating rod 63, and the branching rod 64 is not in contact with the first baffle plate 61, and the branching rod 64 is used for winding an electric wire of the infrared imager 55; as shown in fig. 25, a disc spring 65 is connected to the shaft end of the rotating rod 63 located outside the second baffle plate 62, the connection point is the center point of the disc spring 65, a cover 66 is installed outside the second baffle plate 62, the cover 66 is used for covering the disc spring 65, the free end of the disc spring 65 is connected with the cover 66, and the wire of the infrared imager 55 can be unfolded or wound in cooperation with the telescopic rod 60 by arranging the disc spring 65.

As shown in fig. 26, as an optimization of the embodiment, considering the moving path of the wires of the infrared imager 55 after extending, the top surface of the cabinet body 1 is provided with a hanging rod 67, the lower end of the hanging rod 67 is connected with a circular ring 68, and the wires passing through the infrared imager 55 in the circular ring 68 improve the moving stability of the wires.

As shown in fig. 27, as an optimization of the embodiment, considering that the above-mentioned telescopic rod 60 must be provided with a wire-collecting mechanism 56, or else the wires of the infrared imager 55 will be put into the cabinet to cause short circuit, a moving mechanism for replacing the telescopic rod 60 is proposed, and the inner wall of the cabinet body 1 is fixed with symmetrically arranged hinge lugs 69 by bolts; the hinge lug 69 is hinged with a connecting rod 70; the free end of the connecting rod 70 is hinged with a plurality of cross hinging rods 71, and the number of the cross hinging rods 71 is 3 in the embodiment; the free end of the far-end cross hinge rod 71 is hinged with a connecting rod 70; the free end of the connecting rod 70 is hinged with a hinge lug 69 connected with the moving block 59; the hinge point of the far-end cross hinge rod 71 is hinged with a telescopic rod 60, the telescopic rod 60 can be one of a hydraulic cylinder, an electric push rod and an air cylinder, and the tail end of the telescopic rod 60 is fixed with the cabinet body 1 through a bolt; as shown in fig. 28, the wire of infrared imager 55 is fixed to cross hinge rod 71 by wire clip 72, and wire take-up mechanism 56 may not be provided; when the temperature is measured, the telescopic rod 60 is extended, the angle of the driving cross hinge rod 71 is reduced, the pushing moving block 59 moves along the guide rail 58, the electric wire of the infrared imager 55 on the cross hinge rod 71 is unfolded, the telescopic rod 60 is contracted, the angle of the driving cross hinge rod 71 is increased, the pulling moving block 59 moves reversely along the guide rail 58, and the electric wire of the infrared imager 55 on the cross hinge rod 71 is folded.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that the foregoing embodiments may be modified and practiced in the field of the invention, and that certain modifications, equivalents, improvements and substitutions may be made thereto without departing from the spirit and principles of the invention.

Claims (7)

1. The connecting structure of the transformer and the high-voltage cabinet comprises a cabinet body (1), a transformer body (2), a switch body (3) and a supporting component (23), and is characterized in that a side plate (4) is arranged on the inner wall of the cabinet body (1); insulating plates (5) are arranged on two sides of the side plate (4), the insulating plates (5) divide the cabinet body (1) into a first cavity (6) and a second cavity (7), the first cavity (6) is used for installing the transformer body (2), and the second cavity (7) is used for installing the switch body (3); the first copper bar (10), the second copper bar (11), the third copper bar (12) and the fourth copper bar (13) of the transformer body (2) are connected with a fifth copper bar (14) through bolts, and the fifth copper bar (14) consists of a first vertical section (15), an inclined section (16) and a second vertical section (17); the second vertical section (17) of the fifth copper bar (14) is connected with a sixth copper bar (18) through a bolt, and the sixth copper bar (18) is used for penetrating through the insulating plate (5); the free ends of the sixth copper bar (18) on the first copper bar (10) are gradually protruded in sequence to form a step shape; the free end of the sixth copper bar (18) is connected with a seventh copper bar (20) through a bolt, the shape of the seventh copper bar (20) is L-shaped, and the lengths of vertical sections of the seventh copper bar (20) connected with the fourth copper bar (13), the third copper bar (12), the second copper bar (11) and the first copper bar (10) are gradually increased in sequence; the horizontal section of the seventh copper bar (20) is connected with an eighth copper bar (21) through a bolt; the eighth copper bar (21) is connected with a ninth copper bar (22) through bolts, the shape of the ninth copper bar (22) is Z-shaped, the lengths of vertical sections of the ninth copper bar (22) on the fourth copper bar (13), the third copper bar (12), the second copper bar (11) and the first copper bar (10) are gradually shortened in sequence, the ninth copper bar (22) is used for connecting contacts of the switch body (3), the surface of the contacts of the switch body (3) is perpendicular to the surface of the insulating plate (5), and the switch body (3) is arranged on the supporting component (23); a supporting seat (8) is arranged in the second chamber (7) of the cabinet body (1), a supporting column (31) is arranged on the supporting seat (8), a bearing seat (43) is arranged on the supporting column (31), and the bearing seat (43) is made of insulating materials; the opposite surfaces of the two bearing seats (43) are provided with stepped grooves (44), and the stepped grooves (44) are used for placing eighth copper bars (21); the step groove (44) is provided with a pressing strip (45), the pressing strip (45) is used for fixing the eighth copper bar (21), and the pressing strip (45) is made of insulating materials; four through grooves (19) are formed in the end face of the insulating plate (5), and the through grooves (19) are used for the penetration of the sixth copper bar (18); the novel copper bar is characterized in that an insulating assembly (49) is arranged in the through groove (19), the insulating assembly (49) comprises a base plate (50), the base plate (50) is symmetrically arranged on two sides of the sixth copper bar (18), a bolt head (51) is connected to the base plate (50) in a threaded mode, the screwing portion of the bolt head (51) faces outwards, a guide sleeve (52) is connected to the threaded portion of the bolt head (51) in a sliding mode, and a top plate (53) is connected to the free end of the guide sleeve (52).

2. The connecting structure of the transformer and the high-voltage cabinet according to claim 1, wherein the supporting component (23) comprises a vertical support (27), and round rectangular grooves (28) which are equidistantly arranged are formed in two wing edges of the vertical support (27); a vertical support (29) is connected in the gap of the opposite vertical supports (27) through bolts; rounded rectangular grooves (28) which are equidistantly arranged are formed in the two wing edges of the longitudinal support (29); the web of the longitudinal support (29) is provided with round rectangular grooves (28) which are equidistantly arranged.

3. The connecting structure of the transformer and the high-voltage cabinet according to claim 1, wherein the bottom surface of the first chamber (6) is provided with a supporting seat (8), and the supporting seat (8) is symmetrically arranged on the longitudinal surface of the cabinet body (1); the top surface of the supporting seat (8) is provided with a channel steel (9), and the top surface of the channel steel (9) is provided with the transformer body (2); a bottom plate (30) is arranged on the supporting seat (8); the top surface of the bottom plate (30) is provided with a supporting column (31); the support column (31) is provided with a clamping component (32), and the clamping component (32) is used for clamping and fixing the position of the sixth copper bar (18).

4. A monitoring and temperature measuring assembly for the inside of a cabinet of the connecting structure of the transformer and the high-voltage cabinet of any one of claims 1-3, comprising a reciprocating movement mechanism (54), an infrared imager (55) and a wire collecting mechanism (56), and is characterized in that the reciprocating movement mechanism (54) is arranged on the top surface of the cabinet body (1), a notch (57) is formed on an insulating plate (5) in the cabinet body (1), and the notch (57) enables a first chamber (6) and a second chamber (7) of the cabinet body (1) to be communicated; the reciprocating mechanism (54) comprises a guide rail (58), a moving block (59) is connected to the guide rail (58) in a sliding manner, and an infrared imager (55) is arranged on the moving block (59); one side of the moving block (59) is connected with a telescopic rod (60), and the tail end of the telescopic rod (60) is fixedly connected with the top surface of the cabinet body (1); the wire winding mechanism (56) is used for winding wires of the infrared imager (55).

5. The cabinet interior monitoring and temperature measuring assembly according to claim 4, wherein a power supply for supplying power to the infrared imaging instrument (55) is arranged outside the cabinet body (1), the infrared imaging instrument (55) is in data transmission connection with the server through a gigabit network, the infrared imaging instrument (55) is in data transmission connection with the centralized control platform through the gigabit network, and the infrared imaging instrument (55) is in data transmission connection with the NVR through the gigabit network.

6. The monitoring and temperature measuring assembly in the cabinet according to claim 4, wherein the wire collecting mechanism (56) comprises a first baffle disc (61), a second baffle disc (62) and a rotating rod (63), the rotating rod (63) is rotatably connected with a gap between the first baffle disc (61) and the second baffle disc (62), a branching rod (64) is arranged on the side wall of the rotating rod (63), and the branching rod (64) is used for winding wires of the infrared imager (55); the axle head of bull stick (63) is connected with dish spring (65), and the tie point is the central point of dish spring (65), the outside of second fender dish (62) is equipped with the cover body (66), and the free end of dish spring (65) is connected with cover body (66).

7. The monitoring and temperature measuring assembly inside a cabinet according to claim 4, characterized in that the inner wall of the cabinet body (1) is provided with symmetrically arranged hinge lugs (69); a connecting rod (70) is hinged on the hinge lug (69); the free end of the connecting rod (70) is hinged with a plurality of cross hinging rods (71); the free end of the cross hinging rod (71) at the most distal end is hinged with a connecting rod (70); the free end of the connecting rod (70) is hinged with a hinge lug (69) connected with the moving block (59); the hinge point of the cross hinge rod (71) at the farthest end is hinged with a telescopic rod (60), and the tail end of the telescopic rod (60) is fixed with the cabinet body (1); the cross hinging rod (71) is provided with an electric wire for fixing the infrared imager (55) through a wire clip (72).