CN217035570U

CN217035570U - Direct current breaker with electromagnetic tripping structure

Info

Publication number: CN217035570U
Application number: CN202123087785.5U
Authority: CN
Inventors: 赵飞
Original assignee: Xi'an Jingyu Tongyue Electric Appliance Co ltd
Current assignee: Xi'an Jingyu Tongyue Electric Appliance Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-07-22
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a direct current breaker with an electromagnetic tripping structure, which comprises a breaker body, wherein a knife switch is arranged on the front side wall of the breaker body, a connecting plate is fixedly connected with the front side wall of the breaker body, a first electric contact is fixedly connected with the top surface of the connecting plate, a second electric contact is fixedly connected with the side wall of the knife switch, the first electric contact and the second electric contact are arranged in a mutually matched manner, a shell is arranged on the top surface of the breaker body, grooves are respectively formed in the positions, close to the bottom surfaces, of the left side wall and the right side wall of the shell, clamping plates are movably connected in the grooves, the clamping plates are arranged in an L shape, through mutual matching among the first electric contact, the second electric contact, a buzzer and an alarm lamp, if the electromagnetic tripping structure is triggered by conditions such as overload short circuit and the like in the breaker body, the buzzer sounds and the alarm lamp lights up, and maintenance personnel is timely informed, but also can conveniently and quickly find fault points.

Description

Direct current breaker with electromagnetic tripping structure

Technical Field

The utility model relates to the technical field of direct current circuit breakers, in particular to a direct current circuit breaker with an electromagnetic tripping structure.

Background

The voltage regulation mode of the tap changer of the transformer is characterized in that the non-excitation voltage regulation switch does not have the capacity of gear conversion with load, and the tap changer has a short-time disconnection process in the gear conversion process, so that the disconnection of the load current can cause arcing between contacts to burn out the tap changer or short circuit, and the transformer has to be powered off during gear regulation.

The inside electromagnetism dropout structure of all installing basically of circuit breaker that uses at present, can start electromagnetism dropout at once when the circuit breaker takes place to transship to the security of guarantee circuit, but the circuit breaker on the existing market still has following problem:

1. the general circuit breakers belong to control elements and are mostly installed in a centralized mode or a decentralized mode, if one circuit breaker is overloaded and short-circuited, an operation unit controlled by the circuit breaker stops working, when a circuit is checked, a fault circuit breaker cannot be found quickly, and the difficulty of maintenance work is increased;

2. most of the traditional circuit breakers lack alarm mechanisms, the alarm mechanisms are inconvenient to mount on the circuit breakers, and if the circuit breakers cannot alarm in time, potential safety hazards exist very easily, and safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a direct current breaker with an electromagnetic tripping structure, which aims to solve the problems that most of the traditional breakers in the background art are lack of alarm mechanisms, the alarm mechanisms are inconvenient to mount on the breakers, and when a fault occurs, if the alarm cannot be given in time, potential safety hazards easily exist, and safety accidents are caused.

In order to achieve the purpose, the utility model provides the following technical scheme: a direct current breaker with an electromagnetic tripping structure comprises a breaker body, wherein a switch blade is installed on the front side wall of the breaker body, a connecting plate is fixedly connected to the front side wall of the breaker body, a first electric contact is fixedly connected to the top surface of the connecting plate, a second electric contact is fixedly connected to the side wall of the switch blade, the first electric contact and the second electric contact are matched with each other, a shell is arranged on the top surface of the breaker body, grooves are respectively formed in the left side wall and the right side wall of the shell close to the bottom surface, clamping plates are movably connected in the grooves and are arranged in an L shape, a positioning mechanism is arranged on the top surface of the grooves, a partition plate is fixedly connected to the bottom surface of an inner cavity of the shell, a cover plate is movably connected to the top surface of the shell close to the right side, a buzzer is installed at the bottom surface of the inner cavity of the shell close to the left side, and a plurality of through holes are formed in the top surface of the shell close to the left side, the bottom surface of the inner cavity of the shell is provided with a storage battery close to the right side, and the front side wall of the shell is provided with an alarm lamp.

Preferably, positioning mechanism is including leading to the groove, it is located the recess top surface to lead to the groove, it is L shape setting to lead to the groove, it has the locating plate to lead to inslot swing joint, the locating plate is L shape setting, the equal fixedly connected with spring of locating plate top surface, the spring top all with lead to groove top surface fixed connection, a plurality of evenly distributed's constant head tank has all been seted up to the splint top surface, the locating plate inserts in one of them constant head tank.

Preferably, the top surface of the cover plate is provided with two mounting holes near the right side, the mounting holes are internally and movably connected with bolts, and the top surface of the shell is provided with screw holes matched with the bolts.

Preferably, two sliding blocks are fixedly connected to the side walls of the clamping plates, sliding grooves are formed in the upper side wall and the lower side wall of the groove respectively, and the sliding blocks are movably connected with the sliding grooves.

Preferably, the side walls of the through holes are fixedly connected with protective nets.

Preferably, the cover plate left side wall is fixedly connected with a clamping block, a clamping groove is formed in the shell side wall, and the clamping block and the clamping groove are matched with each other.

Preferably, the side wall of the clamping plate is fixedly connected with a rubber pad.

Compared with the prior art, the utility model has the beneficial effects that: the direct current circuit breaker with the electromagnetic tripping structure,

1. through the mutual matching of the first electric contact, the second electric contact, the buzzer and the alarm lamp, if the conditions such as overload short circuit and the like occur in the breaker body to trigger the electromagnetic tripping structure, the buzzer sounds and the alarm lamp lights, so that maintenance personnel can be informed in time and fault points can be conveniently and quickly searched;

2. through being provided with mutually supporting between casing, recess, splint and the positioning mechanism etc., can carry out the centre gripping installation according to circuit breaker body specification to be applicable to the circuit breaker body of different specifications, improve its convenience of use.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the housing structure of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

FIG. 5 is an enlarged view of FIG. 3 at B;

FIG. 6 is an enlarged view at C in FIG. 1;

fig. 7 is an enlarged view of fig. 3 at D.

In the figure: 1. a circuit breaker body; 2. a knife switch; 3. a connecting plate; 4. a first electrical contact; 5. a second electrical contact; 6. a housing; 7. a groove; 8. a splint; 9. a positioning mechanism; 91. a through groove; 92. positioning a plate; 93. a spring; 94. positioning a groove; 10. a partition plate; 11. a cover plate; 12. a buzzer; 13. a through hole; 14. a storage battery; 15. an alarm light; 16. a bolt; 17. a slider; 18. a chute; 19. a protective net; 20. a clamping block; 21. a card slot; 22. and (7) a rubber pad.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a direct current breaker with an electromagnetic tripping structure comprises a breaker body 1, a switch blade 2 is arranged on the front side wall of the breaker body 1, a connecting plate 3 is fixedly connected with the front side wall of the breaker body 1, the top surface of the connecting plate 3 is fixedly connected with a first electric contact 4, a second electric contact 5 is fixedly connected with the side wall of the switch blade 2, the first electric contact 4 and the second electric contact 5 are arranged in a matching way, a shell 6 is arranged on the top surface of the breaker body 1, grooves 7 are respectively arranged on the left side wall and the right side wall of the shell 6 near the bottom surface, clamping plates 8 are movably connected in the grooves 7, two sliding blocks 17 are respectively fixedly connected on the side walls of the clamping plates 8, sliding grooves 18 are respectively arranged on the upper side wall and the lower side wall of the grooves 7, the sliding blocks 17 are movably connected with the sliding grooves 18, the clamping plates 8 are arranged in an L shape, rubber pads 22 are respectively fixedly connected on the side walls of the clamping plates 8, positioning mechanisms 9 are respectively arranged on the top surfaces of the grooves 7, and a partition plate 10 is fixedly connected on the bottom surface of the inner cavity of the shell 6, a cover plate 11 is movably connected to the top surface of the shell 6 near the right side, a clamping block 20 is fixedly connected to the left side wall of the cover plate 11, a clamping groove 21 is formed in the side wall of the shell 6, the clamping block 20 and the clamping groove 21 are arranged in a matched manner, two mounting holes are formed in the top surface of the cover plate 11 near the right side, bolts 16 are movably connected in the mounting holes, screw holes matched with the bolts 16 are formed in the top surface of the shell 6, a buzzer 12 is mounted at the bottom surface of an inner cavity of the shell 6 near the left side, a plurality of through holes 13 are formed in the top surface of the shell 6 near the left side, a protective net 19 is fixedly connected to the side walls of the through holes 13, a storage battery 14 is arranged at the bottom surface of the inner cavity of the shell 6, an alarm lamp 15 is mounted on the front side wall of the shell 6, and when an electromagnetic tripping structure is triggered under the conditions such as overload short circuit inside the circuit breaker body 1, the buzzer 12 sounds and the alarm lamp 15 lights, so that maintenance personnel can be informed in time and fault points can be conveniently and quickly found;

please refer to fig. 1, fig. 3 and fig. 5, in order to facilitate the circuit breaker body 1 suitable for different specifications, the top surface of the groove 7 is provided with a positioning mechanism 9, the positioning mechanism 9 includes a through groove 91, the through groove 91 is located on the top surface of the groove 7, the through groove 91 is in an L-shaped configuration, a positioning plate 92 is in an L-shaped configuration in the through groove 91, a spring 93 is fixedly connected to the top surface of the positioning plate 92, the top end of the spring 93 is fixedly connected to the top surface of the through groove 91, a plurality of positioning grooves 94 are formed in the top surface of the clamping plate 8, the positioning plate 92 is inserted into one of the positioning grooves 94, by being provided with the housing 6, the groove 7, the clamping plate 8 and the positioning mechanism 9 are mutually matched, the clamping installation can be performed according to the specification of the circuit breaker body 1, thereby being suitable for the circuit breaker body 1 of different specifications, and improving the convenience in use thereof.

The working principle is as follows: when the technical scheme is used, firstly, the shell 6 is installed according to the specification of the breaker body 1, the two side positioning plates 92 are pulled upwards to be separated from the positioning grooves 94, meanwhile, the springs 93 are stretched to remove the fixing operation of the clamping plates 8, then the clamping plates 8 are pulled out to a proper length, the shell 6 is placed on the breaker body 1, then the two side clamping plates 8 are pressed to clamp the breaker body 1, at the moment, the positioning plates 92 are loosened, the springs 93 rebound to drive the positioning plates 92 to be inserted into the appointed positioning grooves 94, the convenient installation operation of the shell 6 is completed, when overload or short circuit occurs in the breaker body 1, the electromagnetic tripping structure is driven to disconnect the switch blade 2, meanwhile, the first electric contact 4 is contacted with the second electric contact 5 to connect the power supply of the storage battery 14, the buzzer 12 and the alarm lamp 15 are started through the storage battery 14, and the maintenance personnel can conveniently and quickly find fault points by utilizing the buzzer 12 and the alarm lamp 15, the safety accidents are avoided, and the use safety of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a direct current circuit breaker with electromagnetism dropout structure, includes circuit breaker body (1), its characterized in that: the switch blade (2) is installed on the front side wall of the breaker body (1), the front side wall of the breaker body (1) is fixedly connected with a connecting plate (3), the top surface of the connecting plate (3) is fixedly connected with a first electric contact (4), the side wall of the switch blade (2) is fixedly connected with a second electric contact (5), the first electric contact (4) and the second electric contact (5) are arranged in a matched mode, the top surface of the breaker body (1) is provided with a shell (6), grooves (7) are respectively formed in the positions, close to the bottom surface, of the left side wall and the right side wall of the shell (6), clamping plates (8) are movably connected in the grooves (7), the clamping plates (8) are arranged in an L shape, the top surfaces of the grooves (7) are respectively provided with a positioning mechanism (9), the inner cavity bottom surface of the shell (6) is fixedly connected with a partition plate (10), and the position, close to the right side, of the top surface of the shell (6) is movably connected with a cover plate (11), casing (6) inner chamber bottom surface is close to left side department and installs bee calling organ (12), casing (6) top surface is close to left side department and has seted up a plurality of through-hole (13), casing (6) inner chamber bottom surface is close to right side department and is provided with battery (14), warning light (15) are installed to the lateral wall before casing (6).

2. The direct current circuit breaker with an electromagnetic trip structure according to claim 1, characterized in that: positioning mechanism (9) are including leading to groove (91), it is located recess (7) top surface to lead to groove (91), it sets up to lead to groove (91) to be L shape, it has locating plate (92) to lead to groove (91) interior swing joint, locating plate (92) are the setting of L shape, the equal fixedly connected with spring (93) of locating plate (92) top surface, spring (93) top all with lead to groove (91) top surface fixed connection, a plurality of evenly distributed's constant head tank (94) have all been seted up to splint (8) top surface, locating plate (92) insert in one of them constant head tank (94).

3. The direct current circuit breaker with an electromagnetic trip structure according to claim 1, characterized in that: two mounting holes are formed in the position, close to the right side, of the top surface of the cover plate (11), bolts (16) are movably connected into the mounting holes, and screw holes matched with the bolts (16) are formed in the top surface of the shell (6).

4. A direct current circuit breaker having an electromagnetic trip structure according to claim 3, wherein: two sliding blocks (17) are fixedly connected to the side wall of the clamping plate (8), sliding grooves (18) are formed in the upper side wall and the lower side wall of the groove (7) respectively, and the sliding blocks (17) are movably connected with the sliding grooves (18).

5. The direct current circuit breaker with an electromagnetic trip structure according to claim 2, characterized in that: the side walls of the through holes (13) are fixedly connected with protective nets (19).

6. The direct current circuit breaker with an electromagnetic trip structure according to claim 1, characterized in that: the cover plate (11) is characterized in that a clamping block (20) is fixedly connected to the left side wall of the cover plate (11), a clamping groove (21) is formed in the side wall of the shell (6), and the clamping block (20) and the clamping groove (21) are matched with each other.

7. A direct current circuit breaker having an electromagnetic trip structure according to claim 3, wherein: the side wall of the clamping plate (8) is fixedly connected with a rubber pad (22).