CN212587432U

CN212587432U - Intelligent safety energy-saving circuit breaker based on internet of things technology

Info

Publication number: CN212587432U
Application number: CN202021227880.3U
Authority: CN
Inventors: 陈洪军
Original assignee: Chengdu Ditoo Information Technology Co ltd
Current assignee: Chengdu Ditoo Information Technology Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-23
Anticipated expiration: 2030-06-29

Abstract

An intelligent safe energy-saving circuit breaker based on the internet of things technology belongs to the field of circuit breakers, and a circuit breaker body comprises a plurality of movable and static contact assemblies, an armature set and a tripping structure, wherein the movable and static contact assemblies are connected to a connecting rod, one end of the connecting rod is provided with a first reset spring, the static contact connected to one end of each of the movable and static contact assemblies is provided with the armature set, and the armature set is connected to the tripping structure; the tripping structure comprises a linkage rod, a steering structure and a lock catch rod, the armature group is connected with the linkage rod, one end of the linkage rod is connected to one end of the steering structure, one end of the linkage rod is provided with a second reset spring, and the other end of the steering structure is connected to the lock catch rod; the lock catch rod comprises a lock catch, a sliding rod and a hollow rod, the steering structure is connected to the sliding rod, the lock catch is hinged to one end of the hollow rod, and the lock catch is matched with one end of the connecting rod; the slide bar is arranged in the hollow bar, and one end of the slide bar is movably connected to the lock catch. Compared with the prior art, the circuit breaker of the scheme is more sensitive in response when being disconnected.

Description

Intelligent safety energy-saving circuit breaker based on internet of things technology

Technical Field

The utility model relates to a circuit breaker field, in particular to intelligent security energy-saving circuit breaker based on internet of things.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.

The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.

The internet of things is a network which enables all common objects capable of performing independent functions to realize interconnection and intercommunication based on information bearing bodies such as the internet and a traditional telecommunication network. In the existing internet of things technology, the distribution problem of a lot of electric energy can be involved, in order to guarantee safety, a lot of circuit breakers can be used, and in the existing circuit breaker structure, when a coil and an armature detect abnormal conditions such as overcurrent, overheat or low voltage, due to the fact that the sensitivity of an armature set to a tripping structure for controlling a contact to be disconnected is limited, delay can be caused during disconnection, and great influence can be generated in actual production and application, especially in the pursuit of the existing internet of things on time efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides an energy-conserving circuit breaker of intelligent security based on internet of things, contact structure based on traditional circuit breaker, use the gangbar through turning to the structural connection slide bar, slide bar one end connection lock catch, drive the gangbar with armature group, when the condition that needs the circuit breaker to break circuit takes place, the gangbar axial displacement can be very light drive slide bar axial displacement through turning to the structure, and then make the hasp loosen, the circuit breaker in this scheme reacts sensitively when breaking, above-mentioned problem has been solved.

The utility model adopts the technical scheme as follows:

an intelligent safe energy-saving circuit breaker based on the internet of things technology comprises a circuit breaker body, wherein the circuit breaker body comprises a moving contact assembly, an armature set and a tripping structure, the tripping structure comprises a linkage rod, a steering structure and a lock catch rod, the armature set is connected with the linkage rod, the linkage rod is connected to one end of the steering structure, one end of the linkage rod is fixed on the inner wall of a shell through a second reset spring, and the other end of the steering structure is connected to a sliding rod of the lock catch rod; the lock catch rod comprises a lock catch, a sliding rod and a hollow rod, and the lock catch is hinged to one end of the hollow rod; the sliding rod is arranged in the hollow rod, and one end of the sliding rod is movably connected with the lock catch; the movable contact and the static contact assembly comprise a connecting rod, a first reset spring, static contacts and a movable contact, the static contacts and the movable contact are arranged in pairs, one end of the connecting rod is fixed on the inner wall of the shell through the first reset spring, the other end of the connecting rod is movably fastened with a lock catch at one end of a lock catch rod, the movable contact is installed on the connecting rod, the static contacts are electrically connected with an armature set through a lead, and the armature set is connected to a tripping structure.

In order to better realize the scheme, further, a plurality of supporting blocks are fixedly arranged in the hollow rod, and the supporting blocks are sleeved on the sliding rod.

In order to better realize the scheme, further, a protruding block is arranged on the sliding rod, and a clamping groove matched with the protruding block is arranged on the steering structure.

In order to better realize the scheme, further, the protruding block extends out of the hollow rod, the protruding block is connected with the clamping groove in a matched mode outside the hollow rod, and the hollow rod is provided with a sliding groove adaptive to the protruding block.

In order to better realize the scheme, further, the armature group comprises an overcurrent coil, a low-voltage coil and an overheating coil which are arranged on a lead of the static contact, an overcurrent armature matched with the overcurrent coil is arranged on the linkage rod, a low-voltage armature matched with the low-voltage coil is arranged on the linkage rod, and an overheating armature matched with the overheating coil is also arranged on the linkage rod.

In order to better realize the scheme, a reduction switch is further arranged on the linkage rod and controls the linkage rod to be positioned at two positions along the axial direction of the linkage rod.

In the prior art, a common linkage rod and a lock catch rod are fixedly connected together, the other end of the lock catch rod is hinged in a case of the circuit breaker, an armature is displaced due to the fact that an armature set generates abnormal conditions, when the linkage rod is driven to move axially, the lock catch rod is driven to rotate along the hinged end of the lock catch rod, then the lock catch, far away from the hinged end, of the lock catch rod is driven to be far away from a connecting rod matched with the hinged end of the lock catch rod, the problem can exist in the scheme, namely the lock catch is a connecting rod which must be completely principle, the connecting rod can be disconnected under the action of a first reset spring connected with.

In the scheme, when the armature set is abnormal, a coil in the armature set and an armature matched with the coil can control the linkage rod to axially displace, the linkage rod and the lock catch rod are generally vertically arranged or are arranged in a crossed manner at other angles, so a steering structure is arranged between the linkage rod and the lock catch rod, the middle section of the steering structure is generally fixed on a breaker case through a bearing, two ends of the steering structure are provided with a certain included angle which is suitable for the included angle between the linkage rod and the lock catch rod, and two ends of the steering structure are respectively movably connected with the linkage rod and the lock catch rod, so when the linkage rod axially displaces, the other end of the steering structure axially displaces along the lock catch rod, the lock catch rod is driven to axially displace, and further, in the scheme, the slide rod is driven to axially displace in the hollow rod, so that the lock catch rotates, and the connecting rod axially resets under the action of a first reset spring, and then make sound contact subassembly and static contact break away from for the circuit disconnection.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses an intelligent security energy-saving circuit breaker based on internet of things, based on the contact structure of traditional circuit breaker, use the gangbar to connect the slide bar through turning to the structure, slide bar one end is connected the hasp, drive the gangbar with armature group, when the condition that needs circuit breaker to open circuit takes place, the gangbar axial displacement can be very light drive the slide bar axial displacement through turning to the structure, and then make the hasp loosen, when the condition that needs circuit breaker takes place, the reaction is more sensitive when the circuit breaker breaks;

2. an intelligent security energy-saving circuit breaker based on internet of things, based on the contact structure of traditional circuit breaker, use the gangbar through turning to the structural connection slide bar, the hasp is connected to slide bar one end, drive the gangbar with armature group, when the condition that needs the circuit breaker to open circuit takes place, the gangbar axial displacement can be very light drive slide bar axial displacement through turning to the structure, and then make the hasp loosen, do not destroy the contact structure in the current circuit breaker, can adapt to the various scenes that current circuit breaker is suitable for.

Drawings

In order to more clearly illustrate the technical solution, the drawings needed to be used in the embodiments are briefly described below, and it should be understood that, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, wherein:

fig. 1 is a schematic diagram of a prior art circuit breaker;

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is an enlarged schematic view of the tripping structure of the present invention;

in the figure, 1-moving and static contact assembly, 101-connecting rod, 102-first return spring, 103-static contact, 104-moving contact 2-armature set, 201-overcurrent coil, 202-low-voltage coil, 203-overheat coil, 204-overcurrent armature, 205-low-voltage armature, 206-overheat armature, 3-tripping structure, 4-linkage rod, 401-second return spring, 5-steering structure, 501-clamping groove, 6-latching rod, 601 latching, 602-sliding rod, 603-hollow rod, 604-supporting block, 6021-bulge block and 6031-sliding groove.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments, and therefore should not be considered as limitations to the scope of protection. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to fig. 1 to 3.

Example 1

An intelligent safe energy-saving circuit breaker based on the internet of things technology comprises a circuit breaker body, wherein the circuit breaker body comprises a movable contact assembly 1, a fixed contact assembly 2, an armature set 2 and a tripping structure 3, the tripping structure 3 comprises a linkage rod 4, a steering structure 5 and a lock catch rod 6, the armature set 2 is connected with the linkage rod 4, the linkage rod 4 is connected to one end of the steering structure 5, one end of the linkage rod 4 is fixed on the inner wall of a shell through a second reset spring 401, and the other end of the steering structure 5 is connected to a sliding rod 602 of the lock catch rod 6; the lock catch rod 6 comprises a lock catch 601, a sliding rod 602 and a hollow rod 603, wherein the lock catch 601 is hinged at one end of the hollow rod 603; the sliding rod 602 is arranged in the hollow rod 603, and one end of the sliding rod 602 is movably connected with the lock 601; the moving and static contact assembly 1 comprises a connecting rod 101, a first reset spring 102, a static contact 103 and a moving contact 104, wherein the static contact 103 and the moving contact 104 are arranged in pairs, one end of the connecting rod 101 is fixed on the inner wall of the shell through the first reset spring 102, the other end of the connecting rod 101 is movably buckled with a lock 601 at one end of a lock catch rod 6, the moving contact 104 is installed on the connecting rod 101, the static contact 103 is electrically connected with an armature set 2 through a lead, and the armature set 2 is connected to a tripping structure 3.

The working principle is as follows: in the prior art, as shown in fig. 1, a linkage rod 4 and a lock catch rod 6 are fixedly connected together, the other end of the lock catch rod 6 is hinged in a case of a circuit breaker, when an armature group 2 is abnormal, so that an armature is displaced, and the linkage rod 4 is driven to move axially, so that the lock catch rod 6 is driven to rotate along the hinged end, and further the lock catch 601, which is far away from the hinged end, of the lock catch rod 6 is driven to be far away from a connecting rod 101 matched with the hinged end.

In the scheme, when the armature set 2 is abnormal, the coil in the armature set 2 and the armature matched with the coil can control the linkage rod 4 to axially displace, the linkage rod 4 and the lock catch rod 6 are generally vertically arranged or are arranged in a crossed manner at other angles, so a steering structure 5 is arranged between the linkage rod and the lock catch rod 6, the general middle section of the steering structure 5 is fixed on a breaker case through a bearing, two ends of the steering structure 5 are provided with a certain included angle which is suitable for the included angle between the linkage rod 4 and the lock catch rod 6, and two ends of the steering structure 5 are respectively movably connected with the linkage rod 4 and the lock catch rod 6, so when the linkage rod 4 axially displaces, the other end of the steering structure 5 axially displaces along the lock catch rod 6, so the lock catch rod 6 can be driven to axially displace, further, in the scheme, the slide rod 602 can be driven to axially displace in the hollow rod 603, and then the lock 601 rotates, so that the connecting rod 101 is reset in the axial direction under the action of the first reset spring 102, and further the moving contact assembly 1 and the static contact 103 are separated, so that the circuit is disconnected.

Example 2

In this embodiment, on the basis of embodiment 1, as shown in fig. 3, a plurality of supporting blocks 604 are fixedly disposed in the hollow rod 603, and the supporting blocks 604 are sleeved on the sliding rod 602.

The slide rod 602 is provided with a protruding block 6021, and the steering structure 5 is provided with a slot 501 matched with the protruding block 6021. The raised block 6021 extends out of the hollow rod 603, the raised block 6021 is matched and connected with the clamping groove 501 outside the hollow rod 603, and the hollow rod 603 is provided with a sliding groove 6031 adapted to the raised block 6021.

As shown in fig. 2, the armature assembly 2 includes an overcurrent coil 201, a low-voltage coil 202 and an overheat coil 203 which are arranged on a lead of the stationary contact 103, the linkage rod 4 is provided with an overcurrent armature 204 which is matched with the overcurrent coil 201, the linkage rod 4 is provided with a low-voltage armature 205 which is matched with the low-voltage coil 202, and the linkage rod 4 is further provided with an overheat armature 206 which is matched with the overheat coil 203.

And a reduction switch is arranged on the linkage rod 4 and controls the linkage rod 4 to be positioned at two positions along the axial direction of the linkage rod 4.

The working principle is as follows: the hollow rod 603 is internally provided with a supporting block 604 which can support the sliding rod 602, and in addition, the contact surface between the supporting block and the sliding rod 602 is smooth as much as possible and can be lubricated when necessary; in addition, as the clamping groove 501 in fig. 2 and 3 is a form of clamping the protruding block 6021, actually, a through hole adapted to the protruding block 6021 may be provided on the steering structure 5 to sleeve the protruding block 6021 as the clamping groove 501, or other movable connection modes may be used, all of which are within the protection scope of the present invention; the chute 6031 is provided for the purpose of providing a certain displacement space for the protruding block 6021, and at the same time, for the purpose of limiting the protruding block 6021 so that it does not generate displacement in other directions than the axial direction of the slide rod 602, and the overcurrent coil 201, the low-voltage coil 202, the overheat coil 203, and the overcurrent armature 204, the low-voltage armature 205, and the overheat armature 206 which are fitted to the overcurrent coil 201, the low-voltage coil 202, and the overheat coil 203 are provided, and the method and the structure for opening the circuit by providing the circuit breaker detection circuit abnormality information which is commonly used in the prior art are referred to, and the reduction switch is also referred to a manual switch outside the circuit breaker in the prior art, and can be manually closed after the fault is eliminated, and the circuit is connected, or manually opened when the fault is.

Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. The utility model provides an intelligent security energy-saving circuit breaker based on internet of things, includes casing and the sound contact subassembly (1), armature group (2) and the dropout structure (3) of setting in the casing, its characterized in that: the tripping structure (3) comprises a linkage rod (4), a steering structure (5) and a lock catch rod (6), the armature set (2) is connected with the linkage rod (4), the linkage rod (4) is connected to one end of the steering structure (5), one end of the linkage rod (4) is fixed on the inner wall of the shell through a second reset spring (401), and the other end of the steering structure (5) is connected to a sliding rod (602) of the lock catch rod (6);

the lock catch rod (6) comprises a lock catch (601), a sliding rod (602) and a hollow rod (603), and the lock catch (601) is hinged to one end of the hollow rod (603); the sliding rod (602) is arranged in the hollow rod (603), and one end of the sliding rod (602) is movably connected with the lock catch (601);

the moving and static contact assembly (1) comprises a connecting rod (101), a first reset spring (102), a static contact (103) and a moving contact (104), wherein the static contact and the moving contact are arranged in pairs, one end of the connecting rod (101) is fixed on the inner wall of the shell through the first reset spring (102), the other end of the connecting rod (101) is movably buckled with a lock catch (601) at one end of a lock catch rod (6), the moving contact (104) is installed on the connecting rod (101), the static contact (103) is electrically connected with an armature group (2) through a lead, and the armature group (2) is connected to a tripping structure (3).

2. The intelligent safe energy-saving circuit breaker based on the internet of things technology as claimed in claim 1, characterized in that: a plurality of supporting blocks (604) are fixedly arranged in the hollow rod (603), and the supporting blocks (604) are sleeved on the sliding rod (602).

3. The intelligent safe energy-saving circuit breaker based on the internet of things technology as claimed in claim 1, characterized in that: the sliding rod (602) is provided with a protruding block (6021), and the steering structure (5) is provided with a clamping groove (501) matched with the protruding block (6021).

4. The intelligent safe energy-saving circuit breaker based on the internet of things technology as claimed in claim 3, characterized in that: the protruding block (6021) extends out of the hollow rod (603), the protruding block (6021) is matched and connected with the clamping groove (501) outside the hollow rod (603), and the hollow rod (603) is provided with a sliding groove (6031) adapted to the protruding block (6021).

5. The intelligent safe energy-saving circuit breaker based on the internet of things technology as claimed in claim 1, characterized in that: the armature group (2) comprises an overcurrent coil (201), a low-voltage coil (202) and an overheating coil (203) which are arranged on a lead of a static contact (103), an overcurrent armature (204) matched with the overcurrent coil (201) is arranged on the linkage rod (4), a low-voltage armature (205) matched with the low-voltage coil (202) is arranged on the linkage rod (4), and an overheating armature (206) matched with the overheating coil (203) is further arranged on the linkage rod (4).

6. The intelligent safe energy-saving circuit breaker based on the internet of things technology as claimed in claim 1, characterized in that: and a reduction switch is arranged on the linkage rod (4), and the reduction switch controls the linkage rod (4) to be positioned at two positions along the axial direction of the linkage rod (4).