Relay and mutual inductor combined structure

Abstract

The utility model discloses a combined structure, and particularly relates to a relay mutual inductor combined structure, which comprises a box body, a plurality of first bolts are arranged in the box body, ceramic blocks are connected onto the first bolts, a fixing block is further arranged in the box body, and supporting rods are connected onto the ceramic blocks and the fixing block. By arranging a combined structure of the ceramic blocks, the fixing blocks and the supporting rods, multi-point fixing is formed, and the stability and durability of the whole structure are improved. The long-strip-shaped second connecting holes in the supporting rods provide heat expansion and cold contraction allowance, stress caused by temperature changes can be effectively relieved, and the adaptability of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment technical field, especially relate to a relay mutual inductor combination structure. BACKGROUND

[0002] As the key equipment in the power system, relays and mutual inductors are widely used in power transmission, power distribution and protection devices. The relay is mainly used for monitoring and controlling the state of the power system, and the mutual inductor is responsible for the transformation and isolation of current and voltage to ensure the safety and stability of the system operation. The existing relays and mutual inductors are usually independent structures, which require a large space for installation and arrangement. In addition, in the long-term operation, due to the change of environmental temperature and the action of mechanical stress, the equipment is prone to deformation or loosening, which affects its performance and reliability. At the same time, the traditional installation structure often lacks flexibility, which is difficult to adapt to the rapid installation and replacement of different types of equipment, and the maintenance process is complex, resulting in increased operating cost. In order to solve the above problems, a compact, reliable, easy-to-install and maintain relay mutual inductor combination structure is needed. SUMMARY

[0003] The utility model discloses a relay mutual inductor combination structure to solve the technical problem of the prior art.

[0004] The utility model discloses a relay mutual inductor combination structure to solve the technical problem of the prior art.

[0005] The utility model provides a relay mutual inductor combination structure, include: box, the inside of box is provided with a plurality of first bolt, the first bolt is connected with ceramic block, the inside of box is also provided with fixed block, ceramic block and fixed block are connected with support rod.

[0006] Preferably, the ceramic block is cylindrical, and first and second threaded holes are respectively provided on two bottom surfaces of the ceramic block, the first threaded hole is connected to the first bolt, and a second bolt is arranged in the second threaded hole, a first connecting hole is provided on the support rod, and the second bolt penetrates the first connecting hole to connect the support rod to the ceramic block.

[0007] Preferably, a second connecting hole in the shape of a long strip is provided on the support rod to provide a thermal expansion and contraction allowance of the support rod, a third threaded hole is provided on the fixed block, a third bolt for fixing the support rod is arranged in the third threaded hole, and the third bolt penetrates the long strip-shaped through hole.

[0008] Preferably, a plurality of fixing holes penetrating the support rod are provided on the support rod, and a body is connected to the fixing holes through a bolt and a nut.

[0009] Preferably, a connecting rod is connected to the body, and a through hole is arranged on the connecting rod.

[0010] Preferably, a wiring terminal is arranged on the side of the box body, and the wiring terminal penetrates the box body.

[0011] Preferably, a connecting plate is connected to the side of the box body, and a plurality of through holes are arranged on the connecting plate.

[0012] The utility model discloses the beneficial effect is:

[0013] Stability of structure is enhanced: through the combination structure of ceramic block, fixed block and support rod, multiple-point fixing is formed, and the stability and durability of the overall structure are improved.

[0014] Strong heat expansion and cold shrinkage resistance: the long strip-shaped second connecting hole on the support rod provides a heat expansion and cold shrinkage allowance, can effectively relieve the stress caused by temperature change, and improve the adaptability of the equipment.

[0015] Convenient installation and maintenance: the ceramic block is designed as a cylindrical shape with a first threaded hole and a second threaded hole, which can be conveniently installed and disassembled through bolts, and the fixing hole and long strip-shaped through hole of the support rod are also convenient for flexible adjustment and fixation.

[0016] Strong adaptability: by arranging a plurality of fixing holes penetrating the support rod and through holes cooperating with the connecting rod, different types of bodies can be conveniently connected, and the compatibility of the device is improved.

[0017] Safety is improved: the ceramic block has good insulation performance, can effectively isolate current, and enhances the safety of the equipment.

[0018] Good functional expandability: the wiring terminal and the connecting plate on the side of the box body are designed to facilitate external connection and expansion, and meet the use requirements of different scenes. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above aspects and advantages of the utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 is the structure schematic view of the body of the relay transformer combination structure of the utility model embodiment;

[0021] Figure 2 is the structure schematic view of the relay transformer combination structure of the utility model embodiment;

[0022] Figure 3 is the structure schematic view of the relay transformer combination structure of the utility model embodiment;

[0023] Figure 4It is a structure schematic view of the relay mutual inductor combined structure of the embodiment of the utility model;

[0024] Figure 5 It is a structure schematic view of the relay mutual inductor combined structure of the embodiment of the utility model;

[0025] Figure 6 It is a structure schematic view of the relay mutual inductor combined structure of the embodiment of the utility model.

[0026] Mark explanation

[0027] In Figures 1-6 In the figure, the box body 1;Terminal 2;Connecting plate 3;Third threaded hole 4;Fixed block 5;Third bolt 6;Second connecting hole 7;Supporting rod 8;Fixing hole 9;Ceramic block 10;First bolt 11;Second bolt 12. Specific implementation

[0028] The technical scheme in the embodiment of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiment of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0029] The utility model provides a kind of relay mutual inductor combined structure, comprising: box body 1, box body 1 inside is provided with several first bolt 11, first bolt 11 is connected with ceramic block 10, box body 1 inside is further provided with fixed block 5, ceramic block 10 and fixed block 5 are connected with supporting rod 8.There is a metal box body in box body 1, first bolt 11, second bolt 12 and third bolt 6 are all metal bolt, fixed block 5 is a plastic block, and supporting rod 8 is a metal rod.

[0030] Ceramic block 10 is cylindrical, and first threaded hole and second threaded hole are respectively provided on the two bottom surfaces of ceramic block 10, first threaded hole is connected to first bolt 11, second threaded hole is provided with second bolt 12, first connecting hole is provided on supporting rod 8, and second bolt 12 penetrates first connecting hole to connect supporting rod 8 to ceramic block 10.

[0031] Second connecting hole 7 in the shape of long strip for providing the allowance of thermal expansion and contraction of supporting rod 8 is provided on supporting rod 8, third threaded hole 4 is provided on fixed block 5, third threaded hole 4 is provided with third bolt 6 for fixing supporting rod 8, and third bolt 6 penetrates long strip-shaped through hole.

[0032] The support rod 8 is provided with a plurality of fixing holes 9 penetrating through the support rod 8, and a body is connected to the fixing holes 9 through bolts and nuts, wherein the body is a combined structure of a relay and a mutual inductor, and as a preferred solution, the combination of the relay and the mutual inductor can have multiple options, that is, the relay and the mutual inductor can be packaged together, or the relay and the mutual inductor can be fixed on the same support rod 8 to form a combined structure, and in addition, the relay and the mutual inductor can adopt the prior art.

[0033] A connecting rod is connected to the body, and a through hole is arranged on the connecting rod and connected to the fixing hole 9 through bolts and nuts.

[0034] The side of the box body 1 is provided with a wiring terminal 2 penetrating through the box body 1, and the side of the box body 1 is connected with a connecting plate 3 provided with a plurality of through holes with internal threads for connecting a box cover.

[0035] The combined structure of the ceramic block 10, the fixing block 5 and the support rod 8 forms a multi-point fixing, thereby improving the stability and durability of the overall structure.

[0036] The long strip-shaped second connecting hole 7 on the support rod 8 provides a thermal expansion and contraction allowance, which can effectively relieve the stress caused by temperature changes and improve the adaptability of the equipment.

[0037] The ceramic block 10 is designed in a cylindrical shape and has a first threaded hole and a second threaded hole, which can be conveniently installed and disassembled through bolts, and the fixing hole 9 and the long strip-shaped through hole of the support rod 8 are also convenient for flexible adjustment and fixing.

[0038] The plurality of fixing holes 9 penetrating through the support rod 8 and the through hole cooperating with the connecting rod can conveniently connect different types of bodies, thereby improving the compatibility of the device.

[0039] The ceramic block 10 has good insulation performance and can effectively isolate the current, thereby enhancing the safety of the equipment.

[0040] The wiring terminal 2 and the connecting plate 3 on the side of the box body 1 are designed to facilitate external connection and expansion, thereby meeting the use requirements in different scenarios.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application, and although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A relay transformer combination structure comprising: The box is characterized in that a plurality of first bolts are arranged in the box, ceramic blocks are connected to the first bolts, fixed blocks are further arranged in the box, and support rods are connected to the ceramic blocks and the fixed blocks.

2. The relay transformer combination structure according to claim 1, characterized by: The ceramic blocks are cylindrical, first threaded holes and second threaded holes are arranged on two bottom surfaces of the ceramic blocks respectively, the first threaded holes are connected to the first bolts, second bolts are arranged in the second threaded holes, first connecting holes are arranged on the support rods, and the second bolts pass through the first connecting holes to connect the support rods to the ceramic blocks.

3. The relay transformer combination structure according to claim 1, characterized by: Second connecting holes in the shape of long strips are arranged on the support rods to provide a thermal expansion and contraction allowance of the support rods, third threaded holes are arranged on the fixed blocks, third bolts for fixing the support rods are arranged in the third threaded holes, and the third bolts pass through the long strip-shaped through holes.

4. The relay transformer combination structure according to claim 1, characterized by: A plurality of fixed holes penetrating the support rods are arranged on the support rods, and bodies are connected to the fixed holes through bolts and nuts.

5. The combination structure of a relay and a transformer according to claim 4, characterized in that: Connecting rods are connected to the bodies, through holes are arranged on the connecting rods, and the through holes on the connecting rods are connected to the fixed holes through bolts and nuts.

6. The relay transformer combination structure of claim 1, wherein: Wire terminals are arranged on the side surfaces of the box, and the wire terminals penetrate the box.

7. The relay transformer combination structure of claim 1, wherein: Connecting plates are connected to the side surfaces of the box, and a plurality of through holes are arranged on the connecting plates.

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