CN210092379U - Three-dimensional porous intermediate connector for grounding of transformer substation - Google Patents
Three-dimensional porous intermediate connector for grounding of transformer substation Download PDFInfo
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- CN210092379U CN210092379U CN201921050481.1U CN201921050481U CN210092379U CN 210092379 U CN210092379 U CN 210092379U CN 201921050481 U CN201921050481 U CN 201921050481U CN 210092379 U CN210092379 U CN 210092379U
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- cavity
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- intermediate connector
- porous intermediate
- dimensional porous
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Abstract
The utility model discloses a three-dimensional porous intermediate connector for transformer substation grounding, which divides an insulated shell into three parts by a partition board, wherein a soft ground wire is arranged in a first cavity, a conductive plate is fixedly arranged in a second cavity, at least three through holes are arranged on the conductive plate, a fastener matched with each through hole is arranged on each through hole, one end of the soft ground wire is connected with a buckle for a grounding electrode, the other end of the soft ground wire is fixed with one of the through holes by the fastener, the rest of the through holes are respectively connected with jacks by the fasteners, and different grounding wires can be respectively connected on the jacks; an alarm display is arranged in the third cavity and is connected with a normally-open point of a trigger of the jack through a secondary line so as to transmit signals; a plurality of ground wires of the equipment can be connected to one ground electrode, the safety factor of maintainers is improved, the using amount of the ground wire is reduced, the overhaul cost of a transformer substation is reduced, and the overhaul efficiency is improved.
Description
Technical Field
The utility model relates to a transformer substation's electric power overhauls special connector of earth connection, concretely relates to transformer substation's ground connection is with porous intermediate connector of three-dimensional.
Background
In the routine maintenance process of the transformer substation, a grounding wire is usually required to be installed. According to the requirements of the national grid company electric safety operation regulations, the grounding wire should adopt a three-phase short circuit type grounding wire, and when a split-phase type grounding wire is used, a three-phase-in-one grounding end should be arranged. Meanwhile, according to the requirements of technical regulations on misoperation prevention of transformer substations, each point provided with a grounding wire needs to be provided with a grounding electrode, and the grounding electrode is incorporated into a five-prevention system (measurement and control five-prevention) of the transformer substation, so that each secondary grounding wire only has one grounding point.
However, in the interval maintenance of high-voltage equipment of a transformer substation, a plurality of groups of grounding wires need to be installed sometimes, but the number of grounding wires in the substation is limited, so that effective grounding before maintenance cannot be formed, or the grounding wires are far away from each other, so that long grounding wires are needed, and personal safety cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a three-dimensional porous intermediate connector for grounding of a transformer substation, which solves the problems that when the transformer substation is overhauled, the grounding of a plurality of grounding wires can not be simultaneously carried out due to the limited number of grounding electrodes, and further the personal safety of maintainers can not be ensured; or even if the number of the grounding ends is enough, the grounding wires are used in a large number, the maintenance cost is high, and the maintenance efficiency is low.
In order to realize the purpose, the utility model discloses the technical scheme who takes is:
a three-dimensional porous intermediate connector for grounding of a transformer substation comprises an insulated shell, wherein the interior of the shell is divided into a first cavity, a second cavity and a third cavity by two insulated partition plates;
the flexible ground wire is arranged in the first cavity, the conductive plate is fixedly arranged in the second cavity, at least three through holes are formed in the conductive plate, a fastener matched with each through hole is arranged on each through hole, one end of the flexible ground wire is connected with a buckle for a grounding electrode, the other end of the flexible ground wire is fixed with one of the through holes through the fastener, the rest of the through holes are respectively connected with jacks through the fasteners, and the jacks can be respectively connected with different grounding wires; and an alarm display is arranged in the third cavity and is connected with a normally-open point of a trigger of the jack through a secondary wire so as to transmit signals.
Further, the three-dimensional porous intermediate connector for grounding of the transformer substation comprises a body, wherein one end of the body is provided with a clamping groove, one end of the clamping groove is fixedly provided with a permanent magnet, the side surface of the clamping groove is provided with a sliding groove, the sliding groove is provided with an electromagnet sliding block capable of sliding on the sliding groove, and the clamping groove between the permanent magnet and the electromagnet sliding block forms a fastening groove;
a hydraulic cavity is further integrally formed in the body, a first hydraulic rod is arranged in the hydraulic cavity, one end of the first hydraulic rod is arranged in the hydraulic cavity, the other end of the first hydraulic rod is connected with the electromagnet sliding block, and an elastic piece is further connected between the hydraulic cavity and the electromagnet sliding block;
the hydraulic cylinder is characterized by further comprising a liquid storage chamber, the liquid storage chamber is communicated with the hydraulic cavity through a pipeline, and a second hydraulic rod with one end extending out of the liquid storage chamber is arranged in the liquid storage chamber.
Further, in the three-dimensional porous intermediate connector for grounding of the transformer substation, the elastic member is a tension spring.
Further, in the three-dimensional porous intermediate connector for grounding of the transformer substation, 3 to 9 through holes are formed.
Further, above-mentioned transformer substation ground connection is with porous intermediate junction ware of three-dimensional, electrically conductive tablet is the copper tablet.
Further, in the three-dimensional porous intermediate connector for grounding of the transformer substation, the soft ground wire arranged in the first cavity is 2-3 meters.
Further, in the three-dimensional porous intermediate connector for grounding of the transformer substation, the through hole is a threaded hole, and the fastening piece is a bolt.
Further, the bottom of the shell is also provided with traveling wheels.
Compared with the prior art, the utility model discloses beneficial effect lies in:
1. when the transformer substation is overhauled, a plurality of ground wires can be connected to one grounding electrode through the three-dimensional porous middle connector for grounding of the transformer substation, so that the safety factor of maintainers is improved;
2. when a plurality of ground wires are connected to one grounding electrode through the grounding middle connector, the using amount of the conducting wires of the ground wires is reduced, the overhaul cost of the transformer substation is reduced, and the overhaul efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a three-dimensional porous intermediate connector for grounding of a transformer substation according to the present invention;
fig. 2 is a schematic structural view of a buckle of an embodiment of the three-dimensional porous intermediate connector for grounding of a transformer substation of the present invention;
reference numerals in the drawings of the specification include: the device comprises a shell 1, a partition plate a1, a first cavity 10, a second cavity 11, a third cavity 12, a soft earth wire 2, a grounding electrode a2, a conductive plate 3, a through hole 30, a fastening piece 31, a buckle 4, a body 40, a clamping groove 41, a sliding groove 42, a hydraulic cavity 43, a first hydraulic rod 44, a liquid storage chamber 45, a second hydraulic rod 46, an electromagnet sliding block 47, a permanent magnet 48, a fastening groove 49, an elastic piece 50, an inserting hole 5, a trigger 6, an alarm display 7, a secondary wire 8 and a traveling wheel 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1: with reference to FIG. 1
The scheme provides a three-dimensional porous intermediate connector for grounding of a transformer substation, which comprises an insulated shell 1, wherein the interior of the shell 1 is divided into a first cavity 10, a second cavity 11 and a third cavity 12 through two insulated partition plates a 1;
the flexible ground wire 2 is arranged in the first cavity 10, the conductive plate 3 is fixedly arranged in the second cavity 11, at least three through holes 30 are formed in the conductive plate 3, a fastening piece 31 matched with each through hole 30 is arranged on each through hole 30, one end of the flexible ground wire 2 is connected with the grounding electrode a2 through a buckle 4, the other end of the flexible ground wire is fixed with one through hole 30 through the fastening piece 31, the rest through holes 30 are respectively connected with the jacks 5 through the fastening pieces 31, and the jacks 5 can be respectively connected with different ground wires; an alarm display 7 is arranged in the third cavity 12 and is connected with a normally-open point of the trigger 6 of the jack 5 through a secondary wire 8 for signal transmission.
The use method of the connector comprises the following steps: when needing to overhaul the transformer substation high-voltage apparatus room, at first pull out 4 ends of the soft earth wire 2 in the first cavity 10 and be connected with earthing pole a2, then connect the different earth connection that need ground between the high-voltage apparatus room in different jacks 5, the normally open point of the trigger 6 in the jack 5 will be connected the earth connection state of earth connection through secondary line 8 with signal transmission to alarm display 7, show the connection state of every jack 5 and earth connection, thereby avoid connecting the safety risk that the fastening caused.
The three-dimensional porous intermediate connector for grounding has the advantages of simple structure, convenience in assembly and disassembly, flexibility, low cost and capability of reducing the workload of operation and maintenance personnel, wherein the buckles 4 connected with the soft ground wires 2 form a common grounding head, and the common grounding head is connected with a special grounding electrode a2 between high-voltage equipment of a transformer substation. The split-phase grounding wire can be effectively fused with the existing grounding electrode a2 of the transformer substation, a plurality of grounding wires can be connected to different jacks 5 on the conductive bar, a grounding electrode a2 can be shared by the grounding wires, the split-phase grounding wire of the existing transformer substation does not need to be replaced for popularizing the middle connector for grounding, and the application range is wide.
Example 2: with reference to FIGS. 1 and 2
Compared with the embodiment 1, the difference is that the buckle 4 comprises a body 40, one end of the body 40 is provided with a clamping groove 41, one end of the clamping groove 41 is fixed with a permanent magnet 48, the side surface of the clamping groove 41 is provided with a sliding groove 42, the sliding groove 42 is provided with an electromagnet sliding block 47 capable of sliding on the sliding groove, the clamping groove 41 between the permanent magnet 48 and the electromagnet sliding block 47 forms a fastening groove 49, the body 40 is provided with a power supply, the electromagnet sliding block 47 is electrically connected with the power supply, and the middle connecting wire is provided with a;
a hydraulic cavity 43 is further integrally formed in the body 40, a first hydraulic rod 44 is arranged in the hydraulic cavity 43, one end of the first hydraulic rod 44 is arranged in the hydraulic cavity 43, the other end of the first hydraulic rod is connected with the electromagnet sliding block 47, an elastic piece 50 is further connected between the hydraulic cavity 43 and the electromagnet sliding block 47, and the elastic piece 50 is preferably a tension spring; the hydraulic cylinder is characterized by further comprising a liquid storage chamber 45, the liquid storage chamber 45 is communicated with the hydraulic cavity 43 through a pipeline, and a second hydraulic rod 46 with one end extending out of the liquid storage chamber 45 is arranged in the liquid storage chamber 45.
The specific operation of connecting the buckle 4 with the grounding electrode a2 is as follows:
firstly, the flexible ground wire 2 connected with the buckle 4 is pulled out from the first cavity 10, then the buckle 4 is held by hand, the grounding end is placed into the fastening groove 49 of the clamping groove 41, the switch of the connecting wire of the power supply and the electromagnet slide block 47 is closed, the second hydraulic rod 46 is pushed to supply the liquid in the liquid storage chamber 45 into the hydraulic cavity 43 through the communicating pipe, the first hydraulic rod 44 moves upwards under the liquid pressure along with the gradual increase of the liquid in the hydraulic cavity 43, the other end of the first hydraulic rod 44 is connected with the electromagnet slide block 47 and then moves upwards in the sliding groove 42 in a limiting way, when the electromagnet slide block 47 and the permanent magnet 48 are tightly attached to the grounding electrode a2 in the fastening groove 49, the electromagnet slide block 47 and the permanent magnet 48 are arranged with opposite magnetism, so that the electromagnet slide block 47 and the permanent magnet 48 are mutually attracted to fasten the grounding electrode a2, in order to prevent the grounding electrode a2 from bearing the gravity to fall, the grounding electrode a2 is penetrated into the fastening slot 49 from the penetrating electrode hole; when the maintenance personnel finish the overhaul and need demolish grounding electrode a2, the switch of the power supply and electromagnet slide block 47 connecting wire is disconnected, so that the electromagnet slide block 47 loses magnetism, the energy stored by the stretching of the elastic part 50 is released, the resilience force of the elastic part 50 drives the electromagnet slide block 47 to move downwards, and then the hydraulic liquid in the hydraulic cavity 43 is compressed, and finally the hydraulic liquid returns to the liquid storage chamber 45.
Example 3: with reference to FIGS. 1 and 2
Compared with the embodiment 2, the difference is that the elastic element 50 is preferably a tension spring, in the scheme, the elastic element 50 stores energy in an extension section, when the electromagnet is powered off and loses magnetism, the elastic element 50 recovers deformation to release energy to return the electromagnet sliding block 47, the tension spring can completely meet the working requirement, and the spring is a standard part in the mechanical industry and is convenient to select; wherein 3 to 9 through holes 30 are provided, one through hole 30 is used for connecting the soft ground wire 2, and the number of the through holes 30 is set to realize that one grounding electrode a2 is connected with a plurality of grounding wires.
Example 4: with reference to FIG. 1
Compared with the above embodiment, the difference is that the conductive plate 3 is a copper plate, and copper has the advantages of both conductivity and price and is the first choice of conductive materials; the length of the soft ground wire 2 arranged in the first cavity 10 is 2-3 meters, and a sufficient distance between the soft ground wire and the grounding electrode a2 can be reserved, so that the operation of detection personnel is facilitated; the through hole 30 is a threaded hole, the fastener 31 is a bolt, the threaded engagement fastening strength is high, and the safety coefficient is high; the bottom of casing 1 still is equipped with walking wheel 9, and this transformer substation ground connection that sets up walking wheel 9 can make things convenient for the maintainer to remove this intermediate connector with porous intermediate connector of three-dimensional, improves maintenance efficiency.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. The utility model provides a transformer substation ground connection is with porous intermediate connector of three-dimensional which characterized in that: the device comprises an insulating shell (1), wherein the interior of the shell (1) is divided into a first cavity (10), a second cavity (11) and a third cavity (12) by two insulating partition plates (a 1);
the flexible ground wire is characterized in that a flexible ground wire (2) is arranged in the first cavity (10), a conductive board (3) is fixedly arranged in the second cavity (11), at least three through holes (30) are formed in the conductive board (3), a fastener (31) matched with the through holes (30) is arranged on each through hole (30), one end of the flexible ground wire (2) is connected with a grounding electrode (a2) through a buckle (4), the other end of the flexible ground wire is fixed with one of the through holes (30) through the fastener (31), the rest of the through holes (30) are respectively connected with jacks (5) through the fasteners (31), and the jacks (5) can be respectively connected with different ground wires; and an alarm display (7) is arranged in the third cavity (12), and is connected with a normally-open point of a trigger (6) of the jack (5) through a secondary line (8) to transmit signals.
2. The three-dimensional porous intermediate connector for substation grounding according to claim 1, characterized in that: the buckle (4) comprises a body (40), one end of the body (40) is provided with a clamping groove (41), one end of the clamping groove (41) is fixedly provided with a permanent magnet (48), the side surface of the clamping groove (41) is provided with a sliding groove (42), the sliding groove (42) is provided with an electromagnet sliding block (47) capable of sliding on the sliding groove, and the clamping groove (41) between the permanent magnet (48) and the electromagnet sliding block (47) forms a fastening groove (49);
a hydraulic cavity (43) is further integrally arranged on the body (40), a first hydraulic rod (44) is arranged in the hydraulic cavity (43), one end of the first hydraulic rod (44) is arranged in the hydraulic cavity (43), the other end of the first hydraulic rod is connected with the electromagnet sliding block (47), and an elastic piece (50) is further connected between the hydraulic cavity (43) and the electromagnet sliding block (47);
the hydraulic control system is characterized by further comprising a liquid storage chamber (45), the liquid storage chamber (45) is communicated with the hydraulic cavity (43) through a pipeline, and a second hydraulic rod (46) with one end extending out is arranged in the liquid storage chamber (45).
3. The three-dimensional porous intermediate connector for substation grounding according to claim 2, characterized in that: the elastic piece (50) is a tension spring.
4. The three-dimensional porous intermediate connector for substation grounding according to claim 3, characterized in that: the number of the through holes (30) is 3 to 9.
5. The three-dimensional porous intermediate connector for grounding of a transformer substation according to any one of claims 1 to 4, characterized in that: the conductive plate (3) is a copper plate.
6. The three-dimensional porous intermediate connector for substation grounding according to claim 5, characterized in that: the soft ground wire (2) arranged in the first cavity (10) is 2-3 m.
7. The three-dimensional porous intermediate connector for substation grounding according to claim 6, wherein: the through hole (30) is a threaded hole, and the fastening piece (31) is a bolt.
8. The three-dimensional porous intermediate connector for substation grounding according to claim 6, wherein: the bottom of the shell (1) is also provided with a travelling wheel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921050481.1U CN210092379U (en) | 2019-07-05 | 2019-07-05 | Three-dimensional porous intermediate connector for grounding of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921050481.1U CN210092379U (en) | 2019-07-05 | 2019-07-05 | Three-dimensional porous intermediate connector for grounding of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210092379U true CN210092379U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921050481.1U Withdrawn - After Issue CN210092379U (en) | 2019-07-05 | 2019-07-05 | Three-dimensional porous intermediate connector for grounding of transformer substation |
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| Country | Link |
|---|---|
| CN (1) | CN210092379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924781A (en) * | 2021-01-26 | 2021-06-08 | 青岛海尔电冰箱有限公司 | Intelligent detection equipment of refrigerator |
-
2019
- 2019-07-05 CN CN201921050481.1U patent/CN210092379U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924781A (en) * | 2021-01-26 | 2021-06-08 | 青岛海尔电冰箱有限公司 | Intelligent detection equipment of refrigerator |
| CN112924781B (en) * | 2021-01-26 | 2023-01-20 | 青岛海尔电冰箱有限公司 | Intelligent detection equipment of refrigerator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200218 Effective date of abandoning: 20221104 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200218 Effective date of abandoning: 20221104 |