CN211045347U - High insulation shell type circuit breaker - Google Patents
High insulation shell type circuit breaker Download PDFInfo
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- CN211045347U CN211045347U CN201921961216.9U CN201921961216U CN211045347U CN 211045347 U CN211045347 U CN 211045347U CN 201921961216 U CN201921961216 U CN 201921961216U CN 211045347 U CN211045347 U CN 211045347U
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Abstract
The utility model discloses a high-insulation shell type circuit breaker, which comprises a shell and a handle, wherein the handle is obliquely embedded and arranged at the top part in the shell, an insulation isolation layer, a tripping mechanism, a contact rod, an electromagnet mechanism and an arc extinguishing mechanism are arranged inside the shell, the insulation isolation layer covers the inner wall of the shell and is tightly attached with the shell, the tripping mechanism is horizontally arranged at the top part in the shell, the electromagnet mechanism is horizontally arranged at the bottom part of the tripping mechanism, the arc extinguishing mechanism is horizontally arranged at the bottom part of the electromagnet mechanism, the tripping mechanism comprises a double-buckle beam and a locking plate, the double-buckle beam is obliquely arranged at the bottom part of the handle, the bottom part of the handle is provided with a connecting piece, the double-buckle beam is connected with the handle through the embedded connecting piece, the contact rod is obliquely embedded and arranged at one end of the double-buckle beam, the locking plate, the safety and reliability of the circuit breaker are improved through the arranged insulating isolation layer.
Description
Technical Field
The utility model relates to a circuit breaker technical field specifically says a high insulating casing formula circuit breaker.
Background
The demand of modern society for energy is continuously increasing, and electric energy is considered as the most ideal energy at present due to various advantages of the electric energy, so that electrical equipment is widely popularized, however, the severe natural environment directly affects the performance of the electrical equipment, and the safety of personnel is damaged, so that a safe and reliable circuit protection device is particularly important, and a circuit breaker plays the roles of overload (overcurrent) and short circuit protection in a circuit, namely, the circuit is automatically disconnected when in overload or short circuit, and can be used as a 'switch' in emergency, and the arc extinguishing medium is air, so that the circuit breaker is also called an air switch, and is a device commonly used in circuit protection.
However, analysis shows that the existing shell type circuit breaker has the defects that the reliability of the automatic circuit breaking cannot be quickly and effectively poor, and the safety of workers and circuit elements cannot be effectively ensured when the overload current is too large due to the arrangement of a single shell type insulating layer.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned not enough, the utility model provides a high insulating shell formula circuit breaker herein has and takes place the short circuit at the circuit and possess the quick automatic disconnection of dual protection architecture ability, improves advantages such as circuit breaker security and reliability through the insulating isolation layer that sets up.
The utility model is realized in such a way, construct a high insulation shell type circuit breaker, which comprises a shell and a handle, wherein the handle is obliquely embedded and arranged at the top in the shell, the shell is internally provided with an insulation isolation layer, a tripping mechanism, a contact rod, an electromagnet mechanism and an arc extinguishing mechanism, the insulation isolation layer is covered and arranged on the inner wall of the shell and is tightly attached to the shell, the tripping mechanism is horizontally arranged at the top in the shell, the electromagnet mechanism is horizontally arranged at the bottom of the tripping mechanism, the arc extinguishing mechanism is horizontally arranged at the bottom of the electromagnet mechanism, the tripping mechanism comprises a double-buckling beam and a locking plate, the double-buckling beam is obliquely arranged at the bottom of the handle, the bottom of the handle is provided with a connecting piece, the double-buckling beam is connected with the handle through the embedded connecting piece, the contact rod is obliquely embedded and arranged at one end of the double-buckling beam, the locking, double-colored sheetmetal is and sets up perpendicularly at the locking plate lateral wall, promotes through the handle that two detain roof beam and locking plate joint make contact pole intercommunication circuit, guarantees the normal overload of circuit, improves circuit breaker security and reliability through the insulating isolation layer of shell inner wall setting.
Further, electromagnet mechanism includes solenoid and iron core, the iron core embedding sets up at insulating isolation layer intermediate position, solenoid winding is on the iron core surface, and the solenoid both ends are connected with contact pole and double-colored sheetmetal electricity respectively, it increases magnetic force actuation contact pole in the twinkling of an eye and makes the circuit break guarantee circuit and electrical equipment's safety to take place short circuit overload super large current through solenoid, meanwhile double-colored sheetmetal rises the emergence deformation and touches the locking plate and make locking plate and double-buckle roof beam loosen further messenger contact pole and reset the quick automatic disconnection of assurance circuit when overload current doubles in the twinkling of an eye, the effectual reliability of double protection circuit structure is high.
Furthermore, the shell is internally provided with an incoming line interface, a contact piece and an outgoing line interface, the incoming line interface and the outgoing line interface are respectively vertically arranged on two sides of the inside of the shell, the contact piece is vertically arranged on one side of the incoming line interface and is electrically connected with the incoming line interface, the outgoing line interface is electrically connected with the double-color metal piece through a wire, and the contact piece is connected with the electromagnetic coil, the double-color metal piece and the outgoing line interface through the incoming line interface to ensure that normal circuit current is overloaded.
Further, arc extinguishing mechanism top one side is equipped with the contact, and the contact with the contact pole in same water flat line position, contact piece and arc extinguishing mechanism bottom welding are provided with insulating isolation layer between arc extinguishing mechanism and the electromagnet mechanism, reset through the contact pole and contact make short-circuit current improve the circuit breaker security performance through arc extinguishing mechanism arc extinguishing.
Furthermore, the handle, the double-buckle beam, the locking plate and the shell are connected through shaft pins and are nested with springs, and the circuit in the circuit breaker can be automatically disconnected at any time through the cooperation of the shaft pins and the springs.
The utility model has the advantages of take place the quick automatic disconnection of short circuit duplicate protection structure ability in the circuit, improve circuit breaker security and reliability through the insulating isolation layer that sets up, concrete advantage embodies:
the method has the advantages that: the tripping mechanism comprises a double-buckle beam and a locking plate, the double-buckle beam is obliquely arranged at the bottom of the handle, a connecting piece is arranged at the bottom of the handle, the double-buckle beam is connected with the handle through an embedded connecting piece, a contact rod is obliquely embedded at one end of the double-buckle beam, the locking plate is vertically arranged at the other end of the double-buckle beam and is clamped with the double-buckle beam, a double-color metal sheet is arranged on one side of the locking plate and is vertically arranged on the side wall of the locking plate, the double-buckle beam and the locking plate are pushed by the handle to clamp the contact rod to be communicated with a circuit, the normal overload of the circuit is ensured, and the safety and the reliability of;
the method has the advantages that: the electromagnet mechanism comprises an electromagnetic coil and an iron core, the iron core is embedded in the middle of the insulating isolation layer, the electromagnetic coil is wound on the surface of the iron core, two ends of the electromagnetic coil are respectively electrically connected with the contact rod and the double-color metal sheet, the magnetic force is increased instantly when the short circuit overload super-large current occurs through the electromagnetic coil to pull in the contact rod so as to ensure that the circuit is disconnected and the safety of the circuit and the electrical equipment is ensured, meanwhile, the double-color metal sheet is deformed when the temperature rises instantly when the overload current is doubled so as to touch the locking plate, so that the locking plate and the double-buckle beam are loosened to further ensure that the contact rod is reset so as;
the method has the advantages that: arc extinguishing mechanism top one side is equipped with the contact, and the contact is in same water flat line position with the contact pole, and contact piece and arc extinguishing mechanism bottom welding are provided with insulating isolation layer between arc extinguishing mechanism and the electromagnet mechanism, reset through the contact pole and contact make short-circuit current improve circuit breaker security performance through arc extinguishing mechanism arc extinguishing.
Drawings
Fig. 1 is a schematic diagram of the high insulation shell type circuit breaker of the present invention.
Fig. 2 is a schematic longitudinal sectional view of fig. 1 according to the present invention.
The figure illustrates the format: 1. a housing; 2. a handle; 21. a connecting member; 3. an incoming line interface; 31. a contact pad; 4. an insulating isolation layer; 5. a tripping mechanism; 51. double buckling beams; 52. a locking plate; 6. a contact lever; 7 an electromagnet mechanism; 71. an electromagnetic coil; 72. an iron core; 8. an arc extinguishing mechanism; 81. a contact; 9. an outgoing line interface; 91. a bicolor metal sheet.
Detailed Description
The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention; furthermore, the terms "first," "second," "third," "upper, lower, left, right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a high insulation shell type circuit breaker through improving here, as shown in the specification attached drawing, can be implemented as follows; comprises a shell 1 and a handle 2, the handle 2 is obliquely embedded and arranged at the top in the shell, an insulating isolation layer 4, a tripping mechanism 5, a contact rod 6, an electromagnet mechanism 7 and an arc extinguishing mechanism 8 are arranged in the shell 1, the insulating isolation layer 4 covers the inner wall of the shell 1 and is tightly attached to the shell 1, the tripping mechanism 5 is horizontally arranged at the top in the shell 1, the electromagnet mechanism 7 is horizontally arranged at the bottom of the tripping mechanism 5, the arc extinguishing mechanism 8 is horizontally arranged at the bottom of the electromagnet mechanism, the tripping mechanism 5 comprises a double-buckle beam 51 and a locking plate 52, the double-buckle beam 51 is obliquely arranged at the bottom of the handle 2, the bottom of the handle 2 is provided with a connecting piece 21, the double-buckle beam 51 is connected with the handle 2 through the embedded connecting piece 21, the contact rod 6 is obliquely embedded and sleeved at one end of the double-buckle beam 51, the locking plate 52 is vertically arranged at the other end, locking plate 52 one side is equipped with double-colored sheetmetal 91, and double-colored sheetmetal 91 is and sets up perpendicularly at locking plate 52 lateral wall, promotes through handle 2 that double-lock roof beam 51 and locking plate 52 joint make contact pole 6 intercommunication circuit, guarantees the normal overload of circuit, improves circuit breaker security and reliability through insulating isolation layer 4 that shell 1 inner wall set up.
More specifically, the electromagnet mechanism 7 comprises an electromagnetic coil 71 and an iron core 72, the iron core 72 is embedded in the middle of the insulating isolation layer 4, the electromagnetic coil 71 is wound on the surface of the iron core 72, two ends of the electromagnetic coil 71 are respectively electrically connected with the contact rod 6 and the two-color metal sheet 91, the magnetic attraction contact rod 6 is increased instantly when the short circuit overload and the super-large current occur through the electromagnetic coil 71 to ensure the circuit to be disconnected and ensure the safety of the circuit and the electrical equipment, meanwhile, the two-color metal sheet 91 is deformed when the temperature rises instantly when the overload current is doubled to touch the locking sheet 52 to further reset the contact rod 6 when the locking sheet 52 and the double-buckle beam 51 are loosened, the circuit is ensured to be disconnected quickly and automatically, and the double.
More specifically, the inside inlet wire interface 3, the contact piece 31 and the interface 9 of being qualified for the next round of competitions that still is equipped with of shell 1, and inlet wire interface 3 and the interface 9 of being qualified for the next round of competitions are the perpendicular setting in the inside both sides of shell 1 respectively, and the contact piece 31 is the perpendicular setting in inlet wire interface 3 one side and is connected with inlet wire interface 3 electricity, and the interface 9 of being qualified for the next round of competitions passes through the wire electricity with double-colored sheetmetal 91 and is connected, connects contact piece 31 through inlet wire interface 3 and in proper order and connect solenoid 71, double-colored sheetmetal.
More specifically, one side of the top of the arc extinguishing mechanism 8 is provided with a contact 81, the contact 81 and the contact rod 6 are in the same horizontal line position, the contact sheet 31 is welded with the bottom of the arc extinguishing mechanism 8, an insulating isolation layer 4 is arranged between the arc extinguishing mechanism 8 and the electromagnet mechanism 7, and the contact rod 6 is reset to be in contact with the contact 81, so that short-circuit current is extinguished through the arc extinguishing mechanism, and the safety performance of the circuit breaker is improved.
More specifically, the handle 2, the double-buckle beam 51, the locking plate 52 and the housing 1 are all connected by adopting a shaft pin and nested with a spring, and the circuit inside the circuit breaker can be automatically disconnected at any time through the cooperation of the shaft pin and the spring.
The working principle of the high-insulation shell type circuit breaker is as follows: firstly, the handle 2 pushes the double-buckle beam 51 and the locking plate 52 to be clamped to connect the contact rod 6 with the circuit, thereby ensuring the normal overload of the circuit, it should be noted here that the incoming line interface 3 is connected with the contact sheet 31 and then sequentially connected with the electromagnetic coil 71, the two-color metal sheet 91 and the outgoing line interface 9 to form an overcurrent circuit, the safety and reliability of the circuit breaker are improved by the insulating isolation layer 4 arranged on the inner wall of the shell 1, the magnetic force is increased to attract the contact rod 6 by the electromagnetic coil 71 when short circuit overload and super-high current occur, the circuit is disconnected to ensure the safety of the circuit and the electrical equipment, meanwhile, when the overload current is doubled instantaneously, the temperature of the two-color metal sheet 91 rises and deforms to touch the locking plate 52, so that the locking plate 52 and the double-buckle beam 51 are released, the contact rod 6 is reset, and the circuit is quickly and automatically disconnected, and the contact rod 6 is reset to be in contact with the contact 81, so that the short-circuit current is extinguished by the arc extinguishing mechanism, and the safety performance of the circuit breaker is improved.
In conclusion; high insulating case formula circuit breaker compares with current circuit breaker, has and takes place the short circuit at the circuit and possess quick automatic disconnection of dual protection architecture ability, improves advantages such as circuit breaker security and reliability through the insulating isolation layer that sets up.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A high insulation case type circuit breaker, comprising a case (1) and a handle (2), characterized in that: the handle (2) is obliquely embedded at the top in the shell, an insulating isolation layer (4), a tripping mechanism (5), a contact rod (6), an electromagnet mechanism (7) and an arc extinguishing mechanism (8) are arranged inside the shell (1), the insulating isolation layer (4) covers the inner wall of the shell (1) and is tightly attached to the shell (1), the tripping mechanism (5) is horizontally arranged at the top in the shell (1), the electromagnet mechanism (7) is horizontally arranged at the bottom of the tripping mechanism (5), the arc extinguishing mechanism (8) is horizontally arranged at the bottom of the electromagnet mechanism, the tripping mechanism (5) comprises a double-buckle beam (51) and a locking plate (52), the double-buckle beam (51) is obliquely arranged at the bottom of the handle (2), a connecting piece (21) is arranged at the bottom of the handle (2), and the double-buckle beam (51) is connected with the handle (2) through the embedded connecting piece (21), contact pole (6) are slope inlay set and set up in two buckle roof beams (51) one end, locking plate (52) are perpendicular the setting at two buckle roof beams (51) other end, just locking plate (52) and two buckle roof beams (51) joint, locking plate (52) one side is equipped with double-colored sheetmetal (91), double-colored sheetmetal (91) are perpendicular the setting at locking plate (52) lateral wall.
2. The high insulation case type circuit breaker according to claim 1, wherein: the electromagnet mechanism (7) comprises an electromagnetic coil (71) and an iron core (72), wherein the iron core (72) is embedded in the middle of the insulating isolation layer (4), the electromagnetic coil (71) is wound on the surface of the iron core (72), and two ends of the electromagnetic coil (71) are electrically connected with the contact rod (6) and the two-color metal sheet (91) respectively.
3. The high insulation case type circuit breaker according to claim 1, wherein: the utility model discloses a two-color contact device, including shell (1), inlet wire interface (3), contact piece (31) and outlet wire interface (9), inlet wire interface (3) and outlet wire interface (9) are inside still to be equipped with, and inlet wire interface (3) and contact piece (31) are perpendicular setting in shell (1) inside both sides respectively, contact piece (31) are perpendicular setting in inlet wire interface (3) one side and are connected with inlet wire interface (3) electricity, outlet wire interface (9) are connected through the wire electricity with double-colored sheetmetal (91).
4. The high insulation case type circuit breaker according to claim 3, wherein: arc extinguishing mechanism (8) top one side is equipped with contact (81), just contact (81) and contact pole (6) are in same water flat line position, contact piece (31) and arc extinguishing mechanism (8) bottom welding, be provided with insulating isolation layer (4) between arc extinguishing mechanism (8) and electromagnet mechanism (7).
5. The high insulation case type circuit breaker according to claim 1, wherein: the handle (2), the double-buckling beam (51), the locking plate (52) and the shell (1) are connected through shaft pins and are nested with springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961216.9U CN211045347U (en) | 2019-11-14 | 2019-11-14 | High insulation shell type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961216.9U CN211045347U (en) | 2019-11-14 | 2019-11-14 | High insulation shell type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045347U true CN211045347U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921961216.9U Active CN211045347U (en) | 2019-11-14 | 2019-11-14 | High insulation shell type circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN211045347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111710570A (en) * | 2020-07-22 | 2020-09-25 | 南京贝思特信息科技有限公司 | Automatic partition type arc-isolating cover for circuit breaker |
| CN114582683A (en) * | 2022-03-10 | 2022-06-03 | 中群电气有限公司 | Intelligent miniature circuit breaker |
-
2019
- 2019-11-14 CN CN201921961216.9U patent/CN211045347U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111710570A (en) * | 2020-07-22 | 2020-09-25 | 南京贝思特信息科技有限公司 | Automatic partition type arc-isolating cover for circuit breaker |
| CN114582683A (en) * | 2022-03-10 | 2022-06-03 | 中群电气有限公司 | Intelligent miniature circuit breaker |
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