CN220066499U - 10kV SVG device start control cabinet - Google Patents

Abstract

The utility model relates to a 10kV SVG device starting control cabinet, which comprises a cabinet body, wherein a front door and a rear door are respectively arranged at the front part and the rear part of the cabinet body, an independent and closed cavity is arranged at the front part of the cabinet body, the cavity consists of a metal partition plate and the front door and is used for installing an SVG control part and a secondary power distribution part, the front door is provided with an air inlet, and a fan is arranged at the side part of the cavity and is used for radiating heat of the control part; the cabinet body at the rear part of the control part is fixedly connected with a supporting plate which is used for installing an isolating switch, and an operating handle of the isolating switch is installed on the front door; the lower part of the cabinet body is provided with a reactor; the rear part of the cavity at the upper part of the cabinet body is fixedly connected with a mounting plate which is used for being connected with the contactor. The advantages are that: the control part is integrated to the starting cabinet, so that the indoor occupied area of the SVG device is reduced, and the manufacturing cost and the transportation cost of the cabinet body are saved by more than 20%.

Description

10kV SVG device start control cabinet

Technical Field

The utility model belongs to the field of Static Var Generator (SVG) cabinet body structures, and particularly relates to a 10kV SVG device starting control cabinet.

Background

In the prior art, an SVG device generally comprises a starting cabinet, a power cabinet and a control cabinet, and the water cooling mode is adopted to enable the corresponding matched water-cooled cabinet to be needed, and all cabinet bodies are sequentially arranged side by side. Components including an isolating switch, a reactor, a contactor, a lightning arrester and the like are generally arranged in the SVG starting cabinet. Inside the power cabinet of the SVG is a power unit. The control cabinet of the SVG is internally provided with a control part (comprising a touch screen, a power supply unit, a transformer, a single board controller, a wiring terminal and other electric devices) and a secondary power distribution part. The cabinet body structure has larger requirements on indoor sites, the total equipment cost of SVG is higher, and a forced air cooling mode can only be adopted under the condition of limited sites.

In order to reduce the floor space, the starting cabinet and the control cabinet of SVG are integrated into an integrated structure in the prior art, such as: patent application number: 201620442835.7A start control cabinet of SVG device combines start control cabinet and control cabinet into one, has practiced thrift 1 switch board's area and cabinet body cost, but this start control cabinet overall arrangement is reasonable compact inadequately, and control panel part occupation space is too big, and upper portion space utilization is lower in the cabinet, and the cabinet body adopts front-opening door back shrouding form, is unfavorable for maintenance debugging.

Disclosure of Invention

The utility model aims to provide a 10kV SVG device starting control cabinet, which combines the control part and the starting cabinet in a mode of integrating the control part into the starting cabinet, has a compact and reasonable structure and small occupied area, integrates an isolating switch into the cabinet, and can meet the heat dissipation requirement.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme:

the 10kV SVG device starting control cabinet comprises a cabinet body, wherein a front door and a rear door are respectively arranged at the front part and the rear part of the cabinet body, an independent and closed cavity is arranged at the front part of the cabinet body, the cavity consists of a metal partition plate and the front door and is used for installing an SVG control part and a secondary power distribution part, the front door is provided with an air inlet, and a fan is arranged at the side part of the cavity and is used for radiating heat of the control part; the cabinet body at the rear part of the control part is fixedly connected with a supporting plate which is used for installing an isolating switch, and an operating handle of the isolating switch is installed on the front door; the lower part of the cabinet body is provided with a reactor; the rear part of the cavity at the upper part of the cabinet body is fixedly connected with a mounting plate which is used for being connected with the contactor.

The top of the cabinet body is provided with an axial flow fan, and the lower part of the rear door is provided with an air inlet.

The reactor wind shield is fixedly connected in the cabinet body, and the distance between the reactor wind shield and the bottom of the cabinet body is 800-850 mm.

And the reactor wind shield is provided with a vent hole.

The front door comprises a left front door, a right front door and a fixed door, wherein the left front door is opposite to the right front door and hinged with the cabinet body, the fixed door is fixedly connected with the cabinet body, and an operation handle of the isolating switch is arranged on the fixed door.

The top in the cabinet body pass through insulator support mode installation arrester and electrified display.

The air inlet is provided with a filter.

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

1. the control part is integrated into the starting cabinet, so that the indoor occupied area of the SVG device is reduced, and the manufacturing cost and the transportation cost of the cabinet body are saved by more than 20%.

2. The incoming line mode of the primary cable side incoming line can be adopted, the requirement of installing the isolating switch on the starting control cabinet is met, the utilization rate of the space inside the cabinet body is improved, and the SVG starting control cabinet is applicable to the requirements of different owners on the SVG starting control cabinet.

3. The control part is arranged in the independent and airtight cavity, meets the requirement of a 10kV electric gap, and is provided with an independent heat dissipation channel, thereby meeting the heat dissipation requirement.

4. An axial flow fan is arranged at the top of the cabinet body, a fixed air duct is formed by additionally arranging a reactor wind shield to radiate the reactor, and the radiating requirement of the reactor is met.

Drawings

Fig. 1 is a left side view of the present utility model.

Fig. 2 is a right side view of the present utility model after the side panels are hidden.

Fig. 3 is a perspective view of the present utility model.

Fig. 4 is a perspective view of the second embodiment of the present utility model.

Fig. 5 is a schematic view of the top structure of the cabinet body of the present utility model.

In the figure: the device comprises a starting device 2, a control part 3, a fan 4, a charged display 5, a reactor wind shield 6, an axial flow fan 7, a charging resistor 8, a reactor 9, a lightning arrester 10, a disconnecting switch 11, a handle 12, a contactor 13, a power supply unit 14, a switching power supply 15, a single board controller 16, a left front door 17, a filter 18, a front instrument door 19, a right front door 20, a fixed plate 21, a left rear door 22, an observation window 23, a right rear door 24, an electromagnetic lock 25 and an air inlet.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

1-5, a 10kV SVG device starting control cabinet comprises a cabinet body, wherein a front door and a rear door are respectively arranged at the front part and the rear part of the cabinet body, an independent and closed cavity is arranged at the front part of the cabinet body, the cavity consists of a metal partition plate and the front door, and the cavity is completely closed and is used for installing an SVG control part and a secondary power distribution part. The cavity is internally provided with a power supply unit 13, a switching power supply 14, a single board controller 15 and the like. The control part is integrated into the starting device.

The front door comprises a left front door 16, a right front door 19, a fixed door 20 and a front instrument door 18, wherein the left front door 16 is opposite to the right front door 19 and is hinged with the cabinet body, the fixed door 20 and the front instrument door 18 are arranged beside the left front door 16 or the right front door 19, the front instrument door 18 is arranged above the fixed door 20, and the fixed door 20 is fixedly connected with the cabinet body. A fan 3 is arranged at the side part of the cavity and used for controlling the heat dissipation of the part 2; the cabinet body at the rear part of the control part 2 is fixedly connected with a supporting plate, the supporting plate is used for installing the isolating switch 10, the incoming line end of the isolating switch 10 is led to the side surface of the cabinet body in a connection mode with the top plate of the cabinet body, meanwhile, the lightning arrester 9 and the electrified display 4 are installed on the incoming line side of the isolating switch 10, the display screen of the electrified display 4 is installed on the front instrument door 18, and the operating handle 11 of the isolating switch 10 is installed on the fixed door 20. The top in the cabinet body is provided with a lightning arrester 9 and an electrified display 4 in a supporting mode of an insulator. The reactor 8 is arranged at the lower part of the cabinet body; the rear part of the upper cavity of the cabinet body and the rear part of the isolating switch 10 are fixedly connected with mounting plates which are used for being connected with the contactor 12. The charging resistor 7 is fixed at two ends of an inlet and outlet line of the contactor 12 in a row mode, and the outlet line end of the contactor 12 is led out to one side of a power valve group (in a power cabinet).

The lower parts of the left front door 16 and/or the right front door 19 are/is provided with an air inlet, and a filter 17 is arranged at the air inlet to reduce dust entering the cabinet body. The air inlet is matched with the fan 3 to form an independent heat dissipation channel in the cavity. Wind enters the cavity from the air inlet and the bottom of the cabinet body, and heat is output upwards by the fan 3 to dissipate heat of the control part 2.

Example 2

1-5, the overall dimensions of the cabinet are 1500mm long, 1700mm deep and 2300mm high. The heat dissipation channel of the reactor 8 is added on the basis of the embodiment 1; the top of the cabinet body is provided with an axial flow fan 6, the lower part of the rear door is provided with an air inlet 25, the cabinet body is fixedly connected with a reactor wind shield 5, the reactor wind shield 5 is 800-850 mm away from the bottom of the cabinet body, and the reactor wind shield 5 is provided with ventilation holes, so that air is extracted from the coil of the reactor 8, and the heat dissipation efficiency of the reactor 8 is improved.

Referring to fig. 3 and 5, the rear doors of the cabinet body are split doors, the lower parts of the left rear door 21 and the right rear door 23 are provided with air inlet holes 25, and the air inlet holes 25 can be formed by a plurality of small holes. Meanwhile, the left rear door 21 and the right rear door 23 are respectively provided with an observation window 22 so as to realize the observation of the positions of the main knife and the ground knife of the isolating switch 10 under the condition of electrification, and the right rear door 23 is provided with an electromagnetic lock 24 so as to prevent the false opening of the high-voltage door under the condition of electrification. The axial flow fan 6 provides power, wind enters the cabinet body from the air inlet 25, is led out of the cabinet body from bottom to top, and is drawn out of the coil of the reactor 8 under the action of the reactor wind shield 5 to radiate heat for the reactor 8.

The utility model can meet the SVG design requirements of different capacities, the width of the cabinet body can be adjusted according to the capacity of the reactor 8 and the type selection of the isolating switch 10, so as to realize the maximum utilization of the space of the cabinet body, reduce the occupied area, save the cabinet body and the transportation cost, and provide possibility for more indoor field installation of SVG devices.

Claims (7)

1. The SVG device starting control cabinet of 10kV is characterized by comprising a cabinet body, wherein a front door and a rear door are respectively arranged at the front part and the rear part of the cabinet body, an independent and closed cavity is arranged at the front part of the cabinet body, the cavity consists of a metal partition plate and the front door and is used for installing an SVG control part and a secondary power distribution part, the front door is provided with an air inlet, and a fan is arranged at the side part of the cavity and is used for radiating heat of the control part; the cabinet body at the rear part of the control part is fixedly connected with a supporting plate which is used for installing an isolating switch, and an operating handle of the isolating switch is installed on the front door; the lower part of the cabinet body is provided with a reactor; the rear part of the cavity at the upper part of the cabinet body is fixedly connected with a mounting plate which is used for being connected with the contactor.

2. The 10kV SVG device starting control cabinet according to claim 1, wherein an axial flow fan is arranged at the top of the cabinet body, and an air inlet is arranged at the lower part of the rear door.

3. The 10kV SVG device starting control cabinet according to claim 1, wherein a reactor wind shield is fixedly connected in the cabinet body, and the reactor wind shield is 800-850 mm away from the bottom of the cabinet body.

4. A 10kV SVG plant start-up control cabinet according to claim 3, wherein the reactor wind deflector is provided with a vent hole.

5. The 10kV SVG device starting control cabinet of claim 1, wherein the front door comprises a left front door, a right front door, and a fixed door, the left front door and the right front door are opposite to each other and hinged to the cabinet body, the fixed door is fixedly connected to the cabinet body, and the operation handle of the isolating switch is installed on the fixed door.

6. The 10kV SVG device starting control cabinet according to claim 1, wherein a lightning arrester and an electrified display are arranged at the top of the cabinet body in a supporting mode through an insulator.

7. The 10kV SVG device starting control cabinet according to claim 1, wherein a filter is arranged at the air inlet.