CN215378442U - Novel degree of depth current-limiting device structure - Google Patents
Novel degree of depth current-limiting device structure Download PDFInfo
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- CN215378442U CN215378442U CN202120975088.4U CN202120975088U CN215378442U CN 215378442 U CN215378442 U CN 215378442U CN 202120975088 U CN202120975088 U CN 202120975088U CN 215378442 U CN215378442 U CN 215378442U
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Abstract
The utility model discloses a novel deep current limiting device structure which comprises a current limiting resistor, wherein the top of the current limiting resistor is provided with a mounting opening in a penetrating manner, the inner side wall of the mounting opening is fixedly connected with a high-speed switch, the end part of the high-speed switch, far away from the mounting opening, penetrates through the mounting opening and extends to the outside of the mounting opening, the top of the current limiting resistor is provided with a protection mechanism for protecting electric power, and the bottom of the current limiting resistor is provided with a fixed mounting mechanism for fixed mounting. According to the utility model, by arranging the protection mechanism, the short-circuit current can be judged so as to control the high-speed switch on and off, so that the protection effect is ensured, and then the current limiting resistor is used for limiting the short-circuit current so as to protect the electrical equipment, so that when the short-circuit current occurs due to the damage of a circuit at a certain position in an electric power system, the deep current limiting device can effectively inhibit the short-circuit current, avoid the electrical equipment from being impacted by the huge short-circuit current, and prolong the service life.
Description
Technical Field
The utility model relates to the technical field of power systems, in particular to a novel deep current limiting device structure.
Background
When a short-circuit fault occurs in a power transmission and transformation system, the short-circuit current of the system is usually ten times of the rated current, which can cause great harm to electrical equipment such as a generator, a transformer, a circuit breaker and the like, and the short-circuit current is limited by a method of connecting current-limiting reactors in series in industry, however, the problem of current-limiting depth (the general reactance rate is about ten percent) is not fundamentally solved by the method of connecting current-limiting reactors in series, and the common current-limiting reactor has the defects of electric energy loss, voltage fluctuation, electromagnetic interference and the like. According to measurement and calculation, the annual electric energy consumption of a group of current-limiting reactors can reach hundreds of thousands to millions of kilowatts, so that large electric energy waste is brought to enterprises, and in addition, due to the fact that the current-limiting depth of a common current-limiting reactor is insufficient, when large short-circuit current occurs, the common current-limiting reactor cannot effectively protect main electrical equipment such as a transformer and a generator, and therefore, the safety and the production are greatly influenced.
Therefore, a zero-loss deep current limiting device which can not only improve the current limiting depth of the current limiting reactor, but also reduce the loss when the system does not need the current limiting reactor is urgently needed in the market.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a novel deep current limiting device structure.
In order to achieve the purpose, the utility model adopts the following technical scheme: a novel deep current limiting device structure comprises a current limiting resistor, wherein a mounting opening is formed in the top of the current limiting resistor in a penetrating mode, a high-speed switch is fixedly connected to the inner side wall of the mounting opening, the end, far away from the mounting opening, of the high-speed switch penetrates through the mounting opening and extends to the outside of the mounting opening, a protection mechanism used for protecting electric power is arranged at the top of the current limiting resistor, and a fixed mounting mechanism used for fixed mounting is arranged at the bottom of the current limiting resistor;
the current-limiting resistor is characterized in that the bottom of the current-limiting resistor is fixedly connected with a limiting clamping block, the bottom of the limiting clamping block is fixedly connected with a fixed supporting rod, the outer side wall of the fixed supporting rod is fixedly connected with an insulator, the bottom of the fixed supporting rod is fixedly connected with a fixed mounting block, and the bottom of the fixed mounting block is fixedly connected with a connecting sheet.
As a further description of the above technical solution:
protection machanism includes incoming line terminal, incoming line terminal one end is connected with high speed switch, high speed switch lateral wall fixedly connected with terminal outgoing lines.
As a further description of the above technical solution:
the fixed mounting mechanism comprises a reactor support, the bottom of the reactor support is fixedly connected with a limiting mounting block, and the bottom of the limiting mounting block is fixedly connected with an anti-slip block.
As a further description of the above technical solution:
the reactor supports the top and is connected with connection piece fixed connection, reactor supports and the junction threaded connection of connection piece has set screw.
As a further description of the above technical solution:
and the connecting part of the limiting clamping block and the current-limiting resisting device is in threaded connection with a mounting screw.
As a further description of the above technical solution:
the control cabinet is fixedly connected with the other end of the incoming line terminal, the other end of the outgoing line terminal is fixedly connected with the control cabinet, a connector is arranged on one side of the outside of the control cabinet, and a cabinet door is arranged inside the connector.
As a further description of the above technical solution:
the hinge is fixedly connected to the outer surface of the cabinet door, the back face of the hinge is connected with the control cabinet, and a handle is fixedly mounted on the outer surface of the cabinet door.
The utility model has the following beneficial effects:
1. through setting up protection machanism, through parallelly connected high-speed switch and current-limiting reactor, high-speed switch first half is inside the current-limiting reactor simultaneously, thereby guarantee to form the integral type structure, then through with the incoming line terminal on the current-limiting reactor with appear the terminal and install with the control box respectively, thereby it goes out from top to bottom to form, simultaneously through the inside control system of control box, thereby can judge short-circuit current and control high-speed switch divide-shut brake, thereby guarantee the protecting effect, then be used for restricting short-circuit current through current-limiting resistance ware, thereby protect electrical equipment, just so make when electrical system when short-circuit current appears because of certain circuit damage, this degree of depth current-limiting device can effectively restrain short-circuit current, avoid electrical equipment to suffer huge short-circuit current impact, and service life is prolonged.
2. Through setting up fixed mounting mechanism, through at the spacing fixture block of current-limiting reactor bottom installation, spacing fixture block passes through mounting screw and current-limiting reactor thread tightening after that, then at spacing fixture block bottom installation fixed stay pole, thereby preliminary supporting the current-limiting reactor, then install the insulator on fixed stay pole, thereby prevent the electric shock, install fixed mounting piece simultaneously on fixed stay pole, then at fixed mounting piece bottom erection joint piece, then support the reactor through the set screw on the connection piece and install, thereby support once more, simultaneously through installing spacing installation piece on the reactor supports, then install the non slipping spur on spacing installation piece, thereby prevent sliding, improve the installation effect.
Drawings
Fig. 1 is a schematic overall structure diagram of a novel deep current limiting device structure according to the present invention;
fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 of a novel deep current limiting device structure according to the present invention;
FIG. 3 is a schematic structural view of a fixed support rod and an insulator of a novel deep current limiting device structure according to the present invention;
fig. 4 is a schematic cross-sectional structural view of a novel deep current limiting device according to the present invention.
Illustration of the drawings:
1. a current limiting resistor; 2. an installation port; 3. a high-speed switch; 4. a limiting clamping block; 5. fixing the support rod; 6. an insulator; 7. fixing the mounting block; 8. connecting sheets; 9. an incoming terminal; 10. an outlet terminal; 11. a reactor support; 12. a limiting mounting block; 13. anti-skid blocks; 14. a set screw; 15. mounting screws; 16. a control cabinet; 17. a connecting port; 18. a cabinet door; 19. a hinge; 20. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the novel deep current limiting device structure provided by the utility model comprises a current limiting resistor 1, wherein a mounting port 2 is formed in the top of the current limiting resistor 1 in a penetrating manner, a high-speed switch 3 is fixedly connected to the inner side wall of the mounting port 2, the end part of the high-speed switch 3, which is far away from the mounting port 2, penetrates through the mounting port 2 and extends to the outside of the mounting port 2, a protection mechanism for protecting electric power is arranged at the top of the current limiting resistor 1, and a fixed mounting mechanism for fixed mounting is arranged at the bottom of the current limiting resistor 1;
the bottom of the current-limiting resistor 1 is fixedly connected with a limiting clamping block 4, the bottom of the limiting clamping block 4 is fixedly connected with a fixed supporting rod 5, the outer side wall of the fixed supporting rod 5 is fixedly connected with an insulator 6, the bottom of the fixed supporting rod 5 is fixedly connected with a fixed mounting block 7, and the bottom of the fixed mounting block 7 is fixedly connected with a connecting sheet 8.
Referring to fig. 4, the protection mechanism includes a wire terminal 9, one end of the wire terminal 9 is connected to the high-speed switch 3, and a wire terminal 10 is fixedly connected to an outer side wall of the high-speed switch 3, so that the wire terminal 10 and the high-speed switch 3 are mounted conveniently.
Referring to fig. 3, the fixed mounting mechanism comprises a reactor support 11, a limiting mounting block 12 is fixedly connected to the bottom of the reactor support 11, and an anti-slip block 13 is fixedly connected to the bottom of the limiting mounting block 12, so that the anti-slip block 13 can be mounted through the limiting mounting block 12.
Referring to fig. 3, the top of the reactor support 11 is fixedly connected with the connection sheet 8, and a fixing screw 14 is screwed at the connection position of the reactor support 11 and the connection sheet 8, so that the reactor support 11 and the connection sheet 8 are fixed by the fixing screw 14 decibel.
Referring to fig. 1, a mounting screw 15 is connected to a joint of the limiting clamping block 4 and the current-limiting reactor 1 through a screw thread, so that the limiting clamping block 4 and the current-limiting reactor 1 are respectively and fixedly mounted through the mounting screw 15.
Referring to fig. 1, the other end of the incoming line terminal 9 is fixedly connected with a control cabinet 16, the other end of the outgoing line terminal 10 is fixedly connected with the control cabinet 16, a connector 17 is formed on one side of the outside of the control cabinet 16, and a cabinet door 18 is arranged inside the connector 17, so that the outgoing line terminal 10 and the control cabinet 16 can be conveniently installed.
Referring to fig. 2, a hinge 19 is fixedly connected to the outer surface of the cabinet door 18, the back of the hinge 19 is connected to the control cabinet 16, and a handle 20 is fixedly mounted on the outer surface of the cabinet door 18, so that the handle 20 can be mounted through the cabinet door 18.
The working principle is as follows: firstly, when in use, a high-speed switch 3 is connected with a current-limiting reactor in parallel, the upper half part of the high-speed switch 3 is arranged in the current-limiting reactor, so that an integrated structure is formed, then a wire inlet terminal 9 and a wire outlet terminal on the current-limiting reactor are respectively arranged with a control box, then a limiting fixture block 4 is arranged at the bottom of the current-limiting reactor, then the limiting fixture block 4 is in threaded fixation with the current-limiting reactor through an installation screw 15, then a fixed support rod 5 is arranged at the bottom of the limiting fixture block 4, so that a current-limiting reactor support 11 is preliminarily mounted, then an insulator 6 is arranged on the fixed support rod 5, so that electric shock is prevented, a fixed mounting block 7 is arranged on the fixed support rod 5, then a connecting sheet 8 is arranged at the bottom of the fixed mounting block 7, then the reactor support 11 is mounted through a fixing screw 14 on the connecting sheet 8, and a limiting mounting block 12 is arranged on the reactor support 11, the anti-slip block 13 is then installed on the limit installation block 12 to prevent slipping.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. A novel deep current limiting device structure comprises a current limiting resistor (1), and is characterized in that: the top of the current-limiting resistor (1) is provided with a mounting port (2) in a penetrating manner, the inner side wall of the mounting port (2) is fixedly connected with a high-speed switch (3), the end part, far away from the mounting port (2), of the high-speed switch (3) penetrates through the mounting port (2) and extends to the outside of the mounting port (2), the top of the current-limiting resistor (1) is provided with a protection mechanism for protecting electric power, and the bottom of the current-limiting resistor (1) is provided with a fixed mounting mechanism for fixed mounting;
the current-limiting resistor (1) is fixedly connected with a limiting clamping block (4) at the bottom, a fixing supporting rod (5) is fixedly connected with the bottom of the limiting clamping block (4), an insulator (6) is fixedly connected with the outer side wall of the fixing supporting rod (5), a fixing mounting block (7) is fixedly connected with the bottom of the fixing supporting rod (5), and a connecting sheet (8) is fixedly connected with the bottom of the fixing mounting block (7).
2. The novel structure of deep flow-limiting device of claim 1, wherein: protection machanism includes incoming line terminal (9), incoming line terminal (9) one end is connected with high speed switch (3), high speed switch (3) lateral wall fixedly connected with terminal outgoing lines (10).
3. The novel structure of deep flow-limiting device of claim 1, wherein: the fixed installation mechanism comprises a reactor support (11), wherein the bottom of the reactor support (11) is fixedly connected with a limiting installation block (12), and the bottom of the limiting installation block (12) is fixedly connected with an anti-skid block (13).
4. The novel structure of deep flow-limiting device of claim 3, wherein: the top of the reactor support (11) is fixedly connected with the connecting sheet (8), and a fixing screw (14) is connected with the connecting part of the reactor support (11) and the connecting sheet (8) in a threaded manner.
5. The novel structure of deep flow-limiting device of claim 1, wherein: and a mounting screw (15) is in threaded connection with the joint of the limiting clamping block (4) and the current-limiting reactor (1).
6. The novel structure of deep flow-limiting device of claim 2, wherein: the other end of the incoming line terminal (9) is fixedly connected with a control cabinet (16), the other end of the outgoing line terminal (10) is fixedly connected with the control cabinet (16), a connecting port (17) is formed in one side of the outer portion of the control cabinet (16), and a cabinet door (18) is arranged inside the connecting port (17).
7. The novel structure of deep flow-limiting device of claim 6, wherein: the cabinet door is characterized in that a hinge (19) is fixedly connected to the outer surface of the cabinet door (18), the back of the hinge (19) is connected with the control cabinet (16), and a handle (20) is fixedly mounted on the outer surface of the cabinet door (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120975088.4U CN215378442U (en) | 2021-05-10 | 2021-05-10 | Novel degree of depth current-limiting device structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120975088.4U CN215378442U (en) | 2021-05-10 | 2021-05-10 | Novel degree of depth current-limiting device structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215378442U true CN215378442U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120975088.4U Active CN215378442U (en) | 2021-05-10 | 2021-05-10 | Novel degree of depth current-limiting device structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215378442U (en) |
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2021
- 2021-05-10 CN CN202120975088.4U patent/CN215378442U/en active Active
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