CN217061945U

CN217061945U - Intelligent circuit breaker with temperature sensing shade

Info

Publication number: CN217061945U
Application number: CN202123227686.2U
Authority: CN
Inventors: 庄琦; 邱静; 蒋超; 朱振兴; 王大为
Original assignee: Apetec Electric Shanghai Co ltd
Current assignee: Apetec Electric Shanghai Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-26
Anticipated expiration: 2031-12-21

Abstract

The utility model belongs to the field of circuit breakers, in particular to an intelligent circuit breaker with a temperature sensing shade, which comprises a circuit breaker body and a temperature sensing shade arranged on the circuit breaker body; a wiring terminal extending into the wiring groove is arranged in the circuit breaker body, and temperature sensing grooves vertically communicated with the wiring groove are formed in two ends of the circuit breaker body; the temperature sensing device comprises a temperature sensing shade, a temperature sensing groove, a heat conducting plate, a heat conducting limiting block, a limiting groove, a flange and a compression spring, wherein two ends of the temperature sensing shade are provided with protecting sleeves inserted into the temperature sensing groove, the bottom of the temperature sensing groove is provided with the heat conducting plate, the heat conducting plate is fixedly provided with a plurality of heat conducting columns inserted into the protecting sleeves at equal intervals, the heat conducting plate is fixedly provided with the heat conducting limiting block in the protecting sleeve, the bottom surface of the heat conducting limiting block is provided with the limiting groove for the upper end of each heat conducting column to be embedded in a sliding manner, the side surface of the lower part of each heat conducting column is provided with the flange, and the compression spring sleeved on the heat conducting column is arranged between the heat conducting limiting block and the flange of each heat conducting column; the temperature sensing probe is installed at heat conduction stopper top, and a warning box connected with the temperature sensing probe is installed respectively at two lag tops in temperature sensing shade both ends.

Description

Intelligent circuit breaker with temperature sensing shade

Technical Field

The utility model relates to a circuit breaker field specifically is a take intelligent circuit breaker of temperature sensing shade.

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 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. Has been widely used.

When the circuit breaker is closed, the temperature of the circuit breaker is increased due to the overcurrent state of the main circuit unit of the circuit breaker, and the increased temperature can cause the damage of the circuit breaker, so that the circuit breaker is possibly misoperated under the condition that the damage of the circuit breaker is unknown. In many cases, the temperature of the circuit breaker also rises due to abnormal heat generation of the main circuit of the circuit breaker, and when the heat generated by the circuit breaker exceeds normal requirements, the circuit breaker itself has been damaged, and damage in the power transmission/distribution line is caused by failure to block the accident current. At present, the temperature rise of the joint of a cable and a circuit breaker is the most serious, and most of the existing circuit breaker access ends and output ends are not provided with temperature monitoring devices, so that fire disasters are caused due to overhigh temperature, and hidden dangers are caused to normal power supply.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take intelligent circuit breaker of temperature sensing shade to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an intelligent circuit breaker with a temperature sensing shield comprises a circuit breaker body and the temperature sensing shield arranged on the circuit breaker body; wiring grooves are reserved at two ends of the circuit breaker body, wiring terminals extending into the wiring grooves are arranged in the circuit breaker body, temperature sensing grooves vertically communicated with the wiring grooves are arranged at two ends of the circuit breaker body, and a circuit breaker switch is arranged at the center of the top surface of the circuit breaker body; the temperature sensing cover is arranged at the top of the circuit breaker body, two ends of the temperature sensing cover are provided with protective sleeves inserted into the temperature sensing grooves, the bottom of each temperature sensing groove is provided with a heat conducting plate, the heat conducting plate is fixedly provided with a plurality of heat conducting columns inserted into the protective sleeves at equal intervals, a heat conducting limiting block is fixedly arranged in each protective sleeve, the bottom surface of each heat conducting limiting block is provided with a limiting groove for the upper end of each heat conducting column to be embedded in a sliding manner, the side surface of the lower part of each heat conducting column is provided with an outward expanding flange, and a compression spring sleeved on each heat conducting column is arranged between each heat conducting limiting block and the flange of each heat conducting column; a temperature sensing probe is installed at the top of the heat conduction limiting block, and an alarm box connected with the temperature sensing probe is respectively installed at the top of each of the two protective covers at the two ends of the temperature sensing cover.

Preferably, the temperature sensing shade side is provided with the cladding at the outlying bordure of circuit breaker body, and bordures through bolt and circuit breaker body rigid coupling, and circuit breaker body middle part is reserved has the opening of dodging that exposes the circuit breaker switch.

Preferably, the protective sleeve is made of a thermally insulating material.

Preferably, a plurality of heat conduction fins abutted with the wiring terminal are distributed on the bottom surface of the heat conduction plate at equal intervals.

Preferably, the top of the alarm box is provided with a flash light bar, the side surface of the alarm box is provided with an alarm, a controller connected with the control ends of the flash light bar and the alarm is arranged in the alarm box, and the output end of the temperature sensing probe is connected with the controller.

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

1. the utility model discloses install the temperature sensing shade additional on the circuit breaker body, set up the structure that the temperature of binding post department carried out the monitoring on the temperature sensing shade, can in time remind when the temperature of binding post department risees, and remind with audible-visual alarm's form, warning effect is good.

2. The utility model monitors the temperature of the connecting terminal by the cooperation of the temperature sensing probe, the heat conducting plate and the heat conducting limiting block, and the heat conducting plate is provided with a plurality of heat conducting fins which are abutted against the connecting terminal and are distributed at equal intervals, so that the heat conducting area is large and the heat conducting effect is good; the heat-conducting plate is connected with the heat-conducting limiting block through the heat-conducting columns and the compression springs, so that the heat-conducting fins on the bottom surface of the heat-conducting plate are in elastic contact with the wiring terminals, on one hand, a good contact state can be kept, on the other hand, excessive pressure cannot be generated on the wiring terminals, and the buffering effect is good.

3. The utility model discloses a whole easy dismounting of temperature sensing shade, the later stage of being convenient for is overhauld and is maintained.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal connection structure of the circuit breaker body of the present invention;

fig. 3 is a schematic structural diagram of the heat-conducting plate and the heat-conducting column of the present invention;

fig. 4 is the utility model discloses a specific structure schematic diagram of heat conduction stopper.

In the figure: 1. a circuit breaker body; 2. a wiring slot; 3. a wiring terminal; 4. a temperature sensing groove; 5. a circuit breaker switch; 6. a temperature sensing mask; 7. edge covering; 8. a bolt; 9. avoiding the through opening; 10. a protective sleeve; 11. a heat-conducting column; 12. a heat conducting plate; 13. a heat conductive fin; 14. a heat-conducting limiting block; 15. a limiting groove; 16. a flange; 17. a compression spring; 18. a temperature sensing probe; 19. an alarm box; 20. an alarm; 21. and (6) flashing a light bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "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 according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: an intelligent circuit breaker with a temperature sensing shield comprises a circuit breaker body 1 and a temperature sensing shield 6 arranged on the circuit breaker body 1; wiring grooves 2 are reserved at two ends of the circuit breaker body 1, wiring terminals 3 extending into the wiring grooves 2 are arranged in the circuit breaker body 1, temperature sensing grooves 4 vertically communicated with the wiring grooves 2 are arranged at two ends of the circuit breaker body 1, and a circuit breaker switch 5 is arranged at the center of the top surface of the circuit breaker body 1; the temperature sensing cover 6 is covered on the top of the circuit breaker body 1, two ends of the temperature sensing cover are provided with protective sleeves 10 inserted into the temperature sensing grooves 4, the bottom of each temperature sensing groove 4 is provided with a heat conducting plate 12, a plurality of heat conducting columns 11 inserted into the protective sleeves 10 are fixed on the heat conducting plate 12 at equal intervals, a heat conducting limiting block 14 is fixed in each protective sleeve 10, the bottom surface of each heat conducting limiting block 14 is provided with a limiting groove 15 for the upper end of each heat conducting column 11 to be embedded in a sliding manner, the side surface of the lower part of each heat conducting column 11 is provided with an outward expanded flange 16, and a compression spring 17 sleeved on each heat conducting column 11 is arranged between each heat conducting limiting block 14 and the flange 16 of each heat conducting column 11; the top of the heat conduction limiting block 14 is provided with a temperature sensing probe 18, and the two ends of the temperature sensing shade 6 are respectively provided with an alarm box 19 connected with the temperature sensing probe 18 on the top of the two protective sleeves 10.

Further, 6 sides of temperature sensing shade are provided with the cladding at 1 outlying bordure 7 of circuit breaker body, and bordure 7 and pass through

bolt

8 and 1 rigid coupling of circuit breaker body, and 1 middle part of circuit breaker body is reserved to have the opening 9 of dodging that exposes circuit breaker switch 5.

Further, the protective sheath 10 is made of a heat insulating material.

Further, a plurality of heat conducting fins 13 abutted to the wiring terminal 3 are arranged on the bottom surface of the heat conducting plate 12 at equal intervals.

Furthermore, a flashlight strip 21 is installed at the top of the alarm box 19, an alarm 20 is installed on the side surface of the alarm box 19, a controller connected with the flashlight strip 21 and the control end of the alarm 20 is arranged in the alarm box 19, and the output end of the temperature sensing probe 18 is connected with the controller.

The working principle is as follows:

the temperature sensing shade 6 is covered on the circuit breaker body 1 and is fixedly connected through a bolt 8; the lag 10 at 6 both ends of temperature sensing shade inserts in the temperature sensing groove 4 of circuit breaker body 1, heat conduction stopper 14 in the lag 10 and each heat conduction post 11 on the heat-conducting plate 12 slide grafting, heat conduction stopper 14 and the cooperation of the 11 outlying flanges 16 of heat conduction post, be in compression state with compression spring 17 on the heat conduction post 11, on the one hand can keep the heat conduction fin 13 of heat-conducting plate 12 bottom surface and the good contact state of binding post 3, on the other hand can not produce too big pressure to binding post 3, the cushioning effect is good.

The heat-conducting fins 13 are in contact with the wiring terminal 3, so that the heat-conducting area is large, and the heat-conducting effect is good; the heat conduction fins 13 transfer heat on the surface and the periphery of the wiring terminal 3 to the heat conduction plate 12, and then transfer the heat to the heat conduction limiting block 14 through the heat conduction columns 11, and a temperature sensing probe 18 connected with the heat conduction limiting block 14 is arranged in the protective sleeve 10, so that temperature data of the heat conduction limiting block 14 can be acquired in real time, and signals are sent to the controller; when the temperature of heat conduction stopper 14 exceeded and sets for the threshold value, controller trigger siren 20 sounded, and flash of light lamp strip 21 scintillation simultaneously can in time remind when the temperature of binding post 3 department risees, and remind with audible and visual alarm's form, warning effect is good.

It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.

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

Claims

1. The intelligent circuit breaker with the temperature sensing shade is characterized by comprising a circuit breaker body (1) and the temperature sensing shade (6) arranged on the circuit breaker body (1); wiring grooves (2) are reserved at two ends of the circuit breaker body (1), wiring terminals (3) extending into the wiring grooves (2) are arranged in the circuit breaker body (1), temperature sensing grooves (4) vertically communicated with the wiring grooves (2) are arranged at two ends of the circuit breaker body (1), and a circuit breaker switch (5) is installed at the center of the top surface of the circuit breaker body (1); the temperature sensing cover (6) is covered on the top of the circuit breaker body (1), two ends of the temperature sensing cover are provided with protective sleeves (10) inserted into the temperature sensing grooves (4), the bottom of each temperature sensing groove (4) is provided with a heat conducting plate (12), the heat conducting plates (12) are fixed with a plurality of heat conducting columns (11) inserted into the protective sleeves (10) at equal intervals, a heat conducting limiting block (14) is fixed in each protective sleeve (10), the bottom surface of each heat conducting limiting block (14) is provided with a limiting groove (15) for the upper end of each heat conducting column (11) to be embedded in a sliding mode, the side surface of the lower part of each heat conducting column (11) is provided with an outward-expanded flange (16), and a compression spring (17) sleeved on each heat conducting column (11) is arranged between each heat conducting limiting block (14) and the flange (16) of each heat conducting column (11); the temperature sensing probe (18) is installed at the top of the heat conduction limiting block (14), and the alarm boxes (19) connected with the temperature sensing probe (18) are respectively installed at the top of the two protective sleeves (10) at the two ends of the temperature sensing shade (6).

2. The intelligent circuit breaker with the temperature sensing mask as claimed in claim 1, wherein: the side face of the temperature sensing shade (6) is provided with a circle of wrapping (7) wrapping the circuit breaker body (1) in a surrounding mode, the wrapping (7) is fixedly connected with the circuit breaker body (1) through a bolt (8), and the middle of the circuit breaker body (1) is reserved with an avoiding through hole (9) exposing a circuit breaker switch (5).

3. The intelligent circuit breaker with the temperature sensing mask as claimed in claim 1, wherein: the protective sleeve (10) is made of a heat insulating material.

4. The intelligent circuit breaker with temperature sensing shade of claim 1, wherein: the bottom surface of the heat conducting plate (12) is provided with a plurality of heat conducting fins (13) which are abutted to the wiring terminal (3) at equal intervals.

5. The intelligent circuit breaker with temperature sensing shade of claim 1, wherein: the intelligent alarm is characterized in that a flashlight strip (21) is installed at the top of the alarm box (19), an alarm (20) is installed on the side face of the alarm box, a controller connected with the flashlight strip (21) and the control end of the alarm (20) is arranged in the alarm box (19), and the output end of the temperature sensing probe (18) is connected with the controller.