CN215451313U

CN215451313U - Intelligent safety control device of circuit breaker

Info

Publication number: CN215451313U
Application number: CN202121876197.7U
Authority: CN
Inventors: 王涛; 夏勇
Original assignee: Anhui Minbang Electric Co ltd
Current assignee: Anhui Minbang Electric Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-07
Anticipated expiration: 2031-08-12

Abstract

The utility model is suitable for the technical field of power control, and provides an intelligent safety control device of a circuit breaker, which comprises a shell, a circuit board and a high-temperature alarm mechanism, wherein the circuit board is arranged in the shell, the high-temperature alarm mechanism is used for warning the high temperature of the circuit board, the high-temperature alarm mechanism comprises a warning whistle, a fixed housing and a trigger component arranged in the fixed housing, when excessive surge current instantly flows through the circuit board, the temperature of the circuit board is instantly raised to cause short circuit, the trigger component controls the warning whistle to give out warning sound, so that people can conveniently take corresponding precautionary measures on a controller, the phenomenon that the circuit board is short-circuited due to the overhigh temperature of the circuit board is avoided, and the use safety of the controller is further improved.

Description

Intelligent safety control device of circuit breaker

Technical Field

The utility model relates to the technical field of power control, in particular to an intelligent safety control device of a circuit breaker.

Background

The intelligent controller is a core component matched with the universal circuit breaker. The load monitoring device is mainly used for power distribution, feed or motor protection, so that lines and electrical equipment are prevented from being damaged by faults such as overload, short circuit, grounding, overvoltage, undervoltage and unbalance, and the reasonable operation of a power grid can be realized through a load monitoring function.

In the working process of the controller, when a large surge current flows in the alternating current rectification loop, the circuit board in the controller can be heated instantly, and a special high-temperature warning device is not arranged in the existing controller, so that the temperature rise of the circuit board cannot be fed back, and the service life of the controller is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an intelligent safety control device for a circuit breaker, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

an intelligent safety control device of a circuit breaker comprises a shell, a circuit board arranged in the shell and a high-temperature alarm mechanism, wherein the high-temperature alarm mechanism is used for warning the high temperature of the circuit board and comprises a warning whistle, a fixed housing and a trigger component arranged in the fixed housing, the fixed housing is embedded on the top surface of the shell, the warning whistle is fixedly arranged on the fixed housing, the trigger component comprises trigger units which are symmetrically arranged, each trigger unit comprises an air bag, a conductive block, a movable rod, a support plate and a heat conducting rod, the air bag is of an organ-shaped structure, one side of the air bag is fixedly connected with the inner wall of the fixed housing, the other side of the air bag is fixedly provided with the movable rod, the support plate is fixedly arranged in the fixed housing, the support plate is provided with a through hole for the movable rod to penetrate through, and the conductive block is fixedly arranged at the end part of the movable rod, which is far away from the air bag, and the conducting blocks in the two trigger units are matched with each other, one of the conducting blocks is connected with a power supply arranged in the shell through a wire, the other conducting block is connected with the warning whistle in series through the wire, one end of the heat conducting rod is in circuit board contact, and the other end of the heat conducting rod penetrates through the air bag.

As a further scheme of the utility model: the structure of heat conduction pole is "T" type form, and the material of heat conduction pole is copper, the horizontal pole and the circuit board contact of heat conduction pole, the montant of heat conduction pole is 90 and buckles and insert in the gasbag.

As a further scheme of the utility model: the front of shell is provided with the door plant through the round pin axle is articulated, be provided with the push-and-pull handle on the door plant, and be provided with block mechanism between door plant and the shell, block mechanism is including the buckle unit that the symmetry was established, the buckle unit includes the pivot and sets up in the epaxial a plurality of projections of pivot, the pivot is rotated and is set up in the shell, set up the through-hole that supplies the pivot to wear to establish on the door plant, and seted up a plurality of ring groove in the door plant, the door plant is close to the side of shell and is located the periphery of through-hole and set up the logical groove that communicates with ring groove.

As a further scheme of the utility model: the side face of the end part of the rotating shaft, which is far away from the shell, is provided with anti-skid grains.

As a further scheme of the utility model: the back of the shell is provided with heat dissipation holes, heat dissipation fans are arranged in the heat dissipation holes, and dust screens are embedded in the heat dissipation holes and located at the front ends of the heat dissipation fans.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the high-temperature alarm mechanism is arranged, when a large surge current instantly flows through the circuit board, the temperature of the circuit board is instantly raised, the heat on the circuit board is transferred into the air bag through the heat transfer of the heat conducting rod, the air temperature in the air bag is raised, the two movable rods are pushed to move relatively through the principle of expansion with heat and contraction with cold, and when the conductive blocks arranged at the end parts of the movable rods are contacted, the alarm whistle gives out alarm sound, so that people can conveniently take corresponding precautionary measures for the controller, the phenomenon that the circuit board is short-circuited due to overhigh temperature of the circuit board is avoided, and the use safety of the controller is further improved.

2. According to the utility model, the clamping mechanism is arranged, when the circuit board in the controller needs to be overhauled, the rotating shaft is rotated, the plurality of convex columns on the rotating shaft are just opposite to the through grooves, the push-pull handle is pulled outwards, the door panel can be overturned and opened relative to the shell, after the overhaul is finished, the door panel is overturned to enable the rotating shaft to pass through the through hole, then the rotating shaft is rotated, and the plurality of convex columns on the rotating shaft are clamped into the annular clamping grooves through the through grooves, so that the door panel is fixed.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an intelligent safety control device of a circuit breaker;

FIG. 2 is an enlarged view of the stationary shroud of FIG. 1;

fig. 3 is a front view of an intelligent safety control device of a circuit breaker;

FIG. 4 is a partial cross-sectional view of a latching mechanism in the intelligent safety control device of a circuit breaker;

fig. 5 is a schematic rear view of an intelligent safety control device of a circuit breaker;

in the figure: 1-shell, 2-circuit board, 3-warning flute, 4-fixed cover shell, 5-air bag, 6-conductive block, 7-movable rod, 8-supporting plate, 9-heat conducting rod, 10-door plate, 11-push-pull handle, 12-rotating shaft, 13-convex column, 14-through hole, 15-annular clamping groove, 16-through groove, 17-heat dissipation hole, 18-heat dissipation fan and 19-dustproof net.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-5, an intelligent safety control device for a circuit breaker includes a housing 1, a circuit board 2 installed in the housing 1, and a high temperature alarm mechanism for alarming the high temperature of the circuit board 2, wherein the high temperature alarm mechanism includes an alarm whistle 3, a fixed housing 4, and a trigger assembly disposed in the fixed housing 4, the fixed housing 4 is embedded in the top surface of the housing 1, the alarm whistle 3 is fixedly disposed on the fixed housing 4, the trigger assembly includes trigger units symmetrically disposed, the trigger units include an air bag 5, a conductive block 6, a movable rod 7, a support plate 8 and a heat conducting rod 9, the air bag 5 is in an organ-shaped structure, one side of the air bag 5 is fixedly connected to the inner wall of the fixed housing 4, the other side is fixedly disposed with the movable rod 7, the support plate 8 is fixedly disposed in the fixed housing 4, and set up the through-hole 14 that supplies the movable rod 7 to wear to establish on the backup pad 8, the fixed tip that keeps away from gasbag 5 at the movable rod 7 that sets up of conducting block 6, and in two trigger units conducting block 6 mutually supports, one of them conducting block 6 passes through the wire and is connected with the power that sets up in the shell 1, and another conducting block 6 passes through the wire and is connected with 3 series connections of warning flute, the one end circuit board 2 contact of heat conduction pole 9, the other end is worn to establish to gasbag 5 inside.

Wherein, the structure of heat conduction pole 9 is "T" type form, and the material of heat conduction pole 9 is copper, the horizontal pole and the contact of circuit board 2 of heat conduction pole 9, the montant of heat conduction pole 9 are 90 and buckle and insert in gasbag 5, through the heat conduction pole 9 that sets up the copper product matter, have improved thermal transmission efficiency on the circuit board 2, and the setting of T type structure has further improved the heat transmission efficiency of heat conduction pole 9.

In addition, louvre 17 has been seted up at the back of shell 1, be provided with radiator fan 18 in the louvre 17, and the louvre 17 in lie in radiator fan 18's front end and inlay and be equipped with dust screen 19, through setting up louvre 17 and radiator fan 18, conveniently discharge the heat in the shell 1, avoid the heat in the shell 1 to pile up the phenomenon that leads to circuit board 2 to damage, the setting of dust screen 19 avoids external dust to enter into in the shell 1.

The working principle is as follows: when circuit board 2 flows through great surge current in the twinkling of an eye, the temperature of circuit board promotes in the twinkling of an eye, heat transfer through heat conduction pole 9, make in the heat transfer to gasbag 5 on the circuit board, the air temperature risees in the gasbag 5, principle through expend with heat and contract with cold, promote two movable rod 7 relative motion, when the contact of the conducting block 6 that 7 tip of movable rod set up, warning flute 3 sends the warning sound, make things convenient for people to make corresponding precaution measure to the controller, avoid the phenomenon that 2 high temperatures of circuit board lead to 2 short circuits of circuit board, the safety in utilization of this controller has further been improved.

Example 2

The embodiment is improved on the basis of embodiment 1, and specifically comprises the following steps:

the front of the shell 1 is provided with a door plate 10 in a hinged mode through a pin shaft, a push-pull handle 11 is arranged on the door plate 10, a clamping mechanism is arranged between the door plate 10 and the shell 1 and comprises symmetrically arranged clamping units, each clamping unit comprises a rotating shaft 12 and a plurality of protruding columns 13 arranged on the rotating shaft 12, the rotating shafts 12 are rotatably arranged in the shell 1, through holes 14 for the rotating shafts 12 to penetrate through are formed in the door plate 10, a plurality of annular clamping grooves 15 are formed in the door plate 10, and through grooves 16 communicated with the annular clamping grooves 15 are formed in the peripheries, located at the through holes 14, of the side faces, close to the shell 1, of the door plate 10.

Wherein, the side of the end part of the rotating shaft 12 far away from the shell 1 is provided with anti-skid grains.

The working principle is as follows: when needs overhaul circuit board 2 in the controller, through rotatory pivot 12, it is just in time relative with logical groove 16 to make a plurality of projections 13 in the pivot 12, outside pulling push-and-pull handle 11, can make the relative shell 1 upset of door plant 10 open, after the maintenance finishes, upset door plant 10 makes pivot 12 pass through-hole 14, then rotatory pivot 12, a plurality of projections 13 in the pivot 12 are established into ring groove 15 through leading to groove 16 card, with this fixing that realizes door plant 10, compare with the connected mode through the bolt among the prior art, this block mechanism has easy operation, convenient and fast's advantage, circuit board 2's maintenance efficiency has been improved to a certain extent.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An intelligent safety control device of a circuit breaker comprises a shell (1) and a circuit board (2) installed in the shell (1), and is characterized by further comprising a high-temperature alarm mechanism, wherein the high-temperature alarm mechanism is used for warning the high temperature of the circuit board (2), the high-temperature alarm mechanism comprises a warning whistle (3), a fixed housing (4) and a trigger assembly arranged in the fixed housing (4), the fixed housing (4) is embedded on the top surface of the shell (1), the warning whistle (3) is fixedly arranged on the fixed housing (4), the trigger assembly comprises trigger units which are symmetrically arranged, each trigger unit comprises an air bag (5), a conductive block (6), a movable rod (7), a support plate (8) and a heat conducting rod (9), the air bag (5) is in an organ-shaped structure, and one side of the air bag (5) is fixedly connected with the inner wall of the fixed housing (4), the fixed movable rod (7) that is provided with of opposite side, backup pad (8) are fixed to be set up in fixed housing (4), and offer the hole that supplies movable rod (7) to wear to establish on backup pad (8), conducting block (6) are fixed to be set up and keep away from the tip of gasbag (5) in movable rod (7), and in two trigger units conducting block (6) mutually support, one of them conducting block (6) are connected through the power that wire and shell (1) set up, and another conducting block (6) are through wire and warning flute (3) series connection, the one end circuit board (2) contact of conducting rod (9), the other end is worn to establish to gasbag (5) inside.

2. The intelligent safety control device of circuit breaker according to claim 1, characterized in that the structure of the heat conducting rod (9) is "T" shaped, the material of the heat conducting rod (9) is copper, the cross bar of the heat conducting rod (9) contacts with the circuit board (2), and the vertical bar of the heat conducting rod (9) is bent by 90 degrees and inserted into the air bag (5).

3. The intelligent safety control device of circuit breaker according to claim 1, the front surface of the shell (1) is hinged with a door plate (10) through a pin shaft, the door plate (10) is provided with a push-pull handle (11), and a clamping mechanism is arranged between the door panel (10) and the shell (1), the clamping mechanism comprises symmetrically arranged clamping units, the buckling unit comprises a rotating shaft (12) and a plurality of convex columns (13) arranged on the rotating shaft (12), the rotating shaft (12) is rotatably arranged in the shell (1), the door panel (10) is provided with a through hole (14) for the rotating shaft (12) to penetrate through, and a plurality of ring-shaped clamping grooves (15) are formed in the door plate (10), and through grooves (16) communicated with the ring-shaped clamping grooves (15) are formed in the periphery of the through hole (14) on the side surface, close to the shell (1), of the door plate (10).

4. The intelligent safety control device of circuit breaker according to claim 3, characterized in that the side of the end of the rotating shaft (12) far away from the housing (1) is provided with anti-skid threads.

5. The intelligent safety control device of circuit breaker according to claim 1, characterized in that the back of the housing (1) is opened with a heat dissipation hole (17), a heat dissipation fan (18) is disposed in the heat dissipation hole (17), and a dust screen (19) is embedded in the heat dissipation hole (17) at the front end of the heat dissipation fan (18).