CN209748182U

CN209748182U - Short-circuit device protection device for short-circuit fault of 10kV power supply system

Info

Publication number: CN209748182U
Application number: CN201920383820.1U
Authority: CN
Inventors: 梁少清; 高荣军; 孙常闳
Original assignee: Shanxi Gao Yi Iron And Steel Co Ltd
Current assignee: Shanxi Gao Yi Iron And Steel Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2019-12-06
Anticipated expiration: 2029-03-25

Abstract

The utility model discloses a short circuiter protection device for 10kV power supply system short-circuit fault relates to power equipment technical field, specifically is a short circuiter protection device for 10kV power supply system short-circuit fault, including the box shell, the interior diapire fixedly connected with motor of box shell, the output fixedly connected with axis of rotation of motor, the outer fixed surface of axis of rotation is connected with the flabellum, one side fixedly connected with water pump of motor. This a short circuiter protection device for 10kV power supply system short-circuit fault, when using this a short circuiter protection device for 10kV power supply system short-circuit fault, through the starter motor, make the motor drive the axis of rotation, and make the axis of rotation drive the flabellum, thereby make the device have radiating effect, the cooperation through water pump and condenser pipe sets up again, make the device can effectual heat dissipation, make the condenser pipe refrigeration through starting the water pump, make the device wholly cool down, further reach the better purpose of radiating effect.

Description

Short-circuit device protection device for short-circuit fault of 10kV power supply system

Technical Field

The utility model relates to a power equipment technical field specifically is a short circuiter protection device for 10kV power supply system short-circuit fault.

background

The 10kV power distribution network belongs to a medium voltage power distribution network, extends to an electric load center or a residential community, directly faces the power supply needs of industrial and mining enterprises, residents and other broad users, and plays a role in starting and stopping to ensure the power utilization of the users, so the position of the 10kV power distribution network is very important.

The existing 10kV system generally adopts a parallel operation mode, although the problem of unbalanced load of two sections of 10kV buses can be solved, the short-circuit capacity of a 10kV power supply system is correspondingly increased, so that the short circuit occurs at any point of the 10kV system, the voltage of the two sections of buses which are totally reduced by 10kV can drop rapidly, sensitive loads can stop operating suddenly under the influence of voltage fluctuation, meanwhile, due to the fact that short-circuit current is too large, all switches on a short-circuit branch can trip instantly, a generator set can trip and power off correspondingly due to overcurrent caused by the fact that short-circuit current is provided for the system, economic loss brought to enterprises by one accident is millions or even tens of millions, and therefore measures must be taken to upgrade and transform the system, and the problem is avoided.

At present, circuit breakers are often used to solve the above problems, and the circuit breakers can be used to distribute electric energy, not frequently start asynchronous motors, protect power lines and motors, and automatically cut off circuits when serious overload or short circuit, undervoltage and other faults occur, and the functions of the circuit breakers are equivalent to the combination of fuse switches and over-and-under-heat relays. Furthermore, no parts need to be changed after breaking the fault current. At present, the circuit breaker protection device has been widely used.

At present, the heat dissipation effect of the protection device of the circuit breaker is not good, and the protection device of the circuit breaker also has the defect of inconvenient use, therefore, the problem of the protection device of the circuit breaker needs to be improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a short circuiter protection device for 10kV power supply system short-circuit fault has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a short circuiter protection device for KV power supply system short-circuit fault, includes the box shell, the interior diapire fixedly connected with motor of box shell, the output fixedly connected with axis of rotation of motor, the outer fixed surface of axis of rotation is connected with the flabellum, one side fixedly connected with water pump of motor, the inside wall fixedly connected with condenser pipe of box shell, fixedly connected with board of blowing directly over the flabellum, the through-hole has been seted up to the upper surface of board of blowing, the positive fixedly connected with fixed plate of box shell inner wall, the middle part fixedly connected with LED lamp of roof in the box shell, the inside wall of box shell is provided with electric wire rubber circle.

Optionally, the bottom of the box body shell is fixedly connected with a supporting plate, and the top of the box body shell is fixedly connected with a top cover.

Optionally, one side of the front surface of the box body shell is movably connected with a movable door, and a transparent glass window is arranged on the upper part of the front surface of the movable door.

Optionally, the heat dissipation hole is formed below the transparent glass window, and a lock handle is arranged on one side of the transparent glass window.

optionally, one side of the box shell is fixedly connected with a supporting sheet, the included angle of the supporting sheet is ninety degrees, and one side of the supporting sheet is provided with a fixing hole.

Optionally, a threaded hole is formed in one side of the fixing plate, and the fixing plate is made of high-temperature-resistant rubber.

(III) advantageous effects

The utility model provides a short circuiter protection device for 10kV power supply system short-circuit fault possesses following beneficial effect:

1. This a short circuiter protection device for 10kV power supply system short-circuit fault, through the motor, the cooperation setting of axis of rotation and flabellum, when using this a short circuiter protection device for 10kV power supply system short-circuit fault, through the starter motor, make the motor braking axis of rotation, and make the axis of rotation drive the flabellum, thereby make the device have radiating effect, the cooperation setting through water pump and condenser pipe again, make the device can effectual heat dissipation, make the condenser pipe refrigeration through starting the water pump, make the device wholly cool down, further reach the better purpose of radiating effect.

2. This a short circuiter protection device for 10kV power supply system short-circuit fault, through the setting of box shell, fixed plate, LED lamp, dodge gate and clear glass window, when using this a short circuiter protection device for 10kV power supply system short-circuit fault, can effectual protection circuit breaker, secondly can also be convenient for install and dismantle the short circuiter, can also be convenient for observe the operating condition of circuit breaker, and then make the device reach convenient to use's effect.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

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

Fig. 4 is a schematic view of the back structure of the present invention.

In the figure: 1-box body shell, 2-motor, 3-rotating shaft, 4-fan blade, 5-water pump, 6-condenser tube, 7-blowing plate, 8-through hole, 9-fixing plate, 10-LED lamp, 11-wire rubber ring, 12-supporting plate, 13-top cover, 14-movable door, 15-transparent glass window, 16-heat dissipation hole, 17-lock handle, 18-supporting sheet, 19-fixing hole and 20-threaded hole.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a short-circuit protection device for short-circuit fault of a 10kV power supply system comprises a box body shell 1, wherein a motor 2 is fixedly connected to the inner bottom wall of the box body shell 1, the effect of protecting a circuit breaker is achieved through the arrangement of the box body shell 1, an output end of the motor 2 is fixedly connected with a rotating shaft 3, a fan blade 4 is fixedly connected to the outer surface of the rotating shaft 3, the motor 2, the rotating shaft 3 and the fan blade 4 are arranged in a matched mode, when the short-circuit protection device for short-circuit fault of the 10kV power supply system is used, the motor 2 is enabled to brake the rotating shaft 3 by starting the motor 2, the rotating shaft 4 is enabled to drive the fan blade, therefore, the device has a heat dissipation effect, a water pump 5 is fixedly connected to one side of the motor 2, a condensation pipe 6 is fixedly connected to the inner side wall of the box body shell, the condenser pipe 6 is refrigerated by starting the water pump 5, the device is integrally cooled, and the purpose of better heat dissipation effect is further achieved, a blowing plate 7 is fixedly connected right above the fan blades 4, a through hole 8 is formed in the upper surface of the blowing plate 7, a fixing plate 9 is fixedly connected to the front surface of the inner wall of the box body shell 1, the effect of facilitating installation and disassembly of a short circuiter is achieved through the arrangement of the fixing plate 9, the short circuiter is effectively fixed, an LED lamp 10 is fixedly connected to the middle of the inner top wall of the box body shell 1, the device is more convenient to use through the arrangement of the LED lamp 10 at night, an electric wire rubber ring 11 is arranged on the inner side wall of the box body shell 1, through the arrangement of the electric wire rubber ring 11, an electric wire can pass through the electric wire rubber ring 11, and is connected with a circuit breaker through an electric wire, the device not only plays a role of, further, the safety of the device is improved, a supporting plate 12 is fixedly connected to the bottom of the box body shell 1, a top cover 13 is fixedly connected to the top of the box body shell 1, a movable door 14 is movably connected to one front side of the box body shell 1, a transparent glass window 15 is arranged on the front upper portion of the movable door 14, the transparent glass window 15 is arranged to play a role in conveniently observing the working state of the circuit breaker, a heat dissipation hole 16 is formed below the transparent glass window 15, a lock handle 17 is arranged on one side of the transparent glass window 15, a supporting sheet 18 is fixedly connected to one side of the box body shell 1, the included angle of the supporting sheet 18 is ninety degrees, a fixing hole 19 is formed in one side of the supporting sheet 18, the device can be fixed on the wall surface through the arrangement of the supporting sheet 18 and the fixing hole 19, the device can be effectively fixed at a designated position, the, the fixing plate 9 is made of high-temperature-resistant rubber.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

To sum up, the short-circuiting device protection device for the short-circuit fault of the 10kV power supply system has the advantages that when the short-circuiting device protection device for the short-circuit fault of the 10kV power supply system is used, the motor 2 is started to brake the rotating shaft 3 and drive the fan blades by the rotating shaft 4, so that the device has a heat dissipation effect, the device can effectively dissipate heat by the aid of the matching arrangement of the water pump 5 and the condenser pipe 6, the condenser pipe 6 is refrigerated by the aid of the started water pump 5, the whole device is cooled, the purpose of better heat dissipation effect is further achieved, and a circuit breaker can be effectively protected by the arrangement of the box body shell 1, the fixed plate 9, the LED lamp 10, the movable door 14 and the transparent glass window 15 when the short-circuiting device protection device for the short-circuit fault of the 10kV power supply system is used, secondly can also be convenient for install and dismantle the short circuiter, can also be convenient for observe the operating condition of circuit breaker, and then make the device reach convenient to use's effect.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A short circuiter protection device for 10kV power supply system short circuit fault, includes box shell (1), its characterized in that: inner diapire fixedly connected with motor (2) of box shell (1), the output fixedly connected with axis of rotation (3) of motor (2), the outer fixed surface of axis of rotation (3) is connected with flabellum (4), one side fixedly connected with water pump (5) of motor (2), inside wall fixedly connected with condenser pipe (6) of box shell (1), fixedly connected with board (7) of blowing directly over flabellum (4), through-hole (8) have been seted up to the upper surface of board (7) of blowing, the positive fixedly connected with fixed plate (9) of box shell (1) inner wall, the middle part fixedly connected with LED lamp (10) of roof in box shell (1), the inside wall of box shell (1) is provided with electric wire rubber circle (11).

2. A crowbar protection device for short circuit faults of 10kV power supply system according to claim 1, characterized in that: the bottom of the box body shell (1) is fixedly connected with a supporting plate (12), and the top of the box body shell (1) is fixedly connected with a top cover (13).

3. A crowbar protection device for short circuit faults of 10kV power supply system according to claim 1, characterized in that: one side of the front face of the box body shell (1) is movably connected with a movable door (14), and a transparent glass window (15) is arranged on the upper portion of the front face of the movable door (14).

4. a crowbar protection device for short circuit faults of 10kV power supply system according to claim 3, characterized in that: a heat dissipation hole (16) is formed in the lower portion of the transparent glass window (15), and a lock handle (17) is arranged on one side of the transparent glass window (15).

5. A crowbar protection device for short circuit faults of 10kV power supply system according to claim 1, characterized in that: one side of the box body shell (1) is fixedly connected with a supporting sheet (18), the included angle of the supporting sheet (18) is ninety degrees, and one side of the supporting sheet (18) is provided with a fixing hole (19).

6. A crowbar protection device for short circuit faults of 10kV power supply system according to claim 1, characterized in that: one side of the fixing plate (9) is provided with a threaded hole (20), and the fixing plate (9) is made of high-temperature-resistant rubber.