CN107706924A - A kind of dynamic voltage compensator in series type - Google Patents

Abstract

The invention discloses a series dynamic voltage compensator, which belongs to the technical field of compensators and comprises a casing, a door body, an alarm light, a loading box, a shutter, fastening bolts, positioning holes, a hydraulic column, a telescopic column, a base, and a fixing plate , shock absorbing springs, squeeze plates, fans, rollers, brackets, smoke sensors, storage tanks, spray heads and coil springs. The present invention connects the extruded plate inside the shell, and installs a damping spring between the extruded plate and the shell, so that the shell can withstand the pressure on both sides of the inside and outside during operation, so that it is easy to replace when it is damaged, and it will not be damaged by the ground. The structure limits the replacement of equipment and saves the cost of replacement. The hydraulic column can jack up the fixed plate during replacement, which is convenient for the removal of the fixed plate. The alarm light can promptly inform the staff of the internal situation of the shell, and the staff can take action as soon as possible when an accident occurs. measure. The voltage compensator is easy to install, labor-saving to disassemble, and has good work safety performance.

Description

A Series Dynamic Voltage Compensator

technical field

The invention relates to a voltage compensator, in particular to a series dynamic voltage compensator, which belongs to the application field of electric power transmission.

Background technique

Series voltage compensation is a technology that connects reactive power compensation devices to lines in series for reactive power compensation. Series compensation is divided into two types: fixed type and controllable type. The effective capacitive reactance value of the former cannot be changed, and it can only work in two states of compensation and non-compensation, and the transient stability is relatively poor; the latter increases the Bypass thyristor and inductor, through the control of firing angle of thyristor. Voltage compensation often uses a series dynamic voltage compensator.

However, there are still some deficiencies in the existing series dynamic voltage compensator when used. The existing series-type dynamic voltage compensator has a complex structure, many internal instruments and equipments, the heat dissipation effect of the instruments during operation is not ideal, and the working stability of the instruments is not good. Moreover, the safety performance of the instrument is not enough when it is working, and it is difficult to respond in time when an accident occurs. It is inconvenient to install and disassemble, and there are certain limitations.

Contents of the invention

The object of the present invention is to provide a series dynamic voltage compensator to solve the above problems.

The present invention achieves the above object through the following technical solutions. A series dynamic voltage compensator includes a casing, a base and a fixing plate. A plurality of doors are arranged on one side of the casing, and the top middle end of the casing is connected to a loading A warning light is installed on the top of the shell close to the loading box, shutters are installed at both ends of the shell, extruded plates are connected around the inside of the shell, and the extruded plate and the shell Several damping springs are installed between them, and a fixing plate is welded on the bottom of the housing;

The bottom of the fixed plate is connected with a base, several fastening bolts are connected between the base and the fixed plate, and a hydraulic column is connected in the middle between the base and the fixed plate, and the top of the base is close to the Several telescopic columns are evenly connected around the hydraulic column, and a bracket is connected to the top of the telescopic column, rollers are installed on the top of the bracket, a smoke sensor and a storage box are installed inside the loading box, and the bottom of the storage box is connected There are sprinklers.

Preferably, in order to make the base easy to install and fix on the ground, and the base is conveniently connected to the fixed plate through the hydraulic column, several positioning holes are provided inside the base, and threads are provided on the top of the hydraulic column.

Preferably, in order to increase the heat dissipation efficiency inside the housing during operation and have good compression resistance, a fan is installed on the side of the extruded plate close to the louver, and the interior of the extruded plate is arranged in a mesh shape.

Preferably, in order to enable the telescopic column to adjust its height according to the distance between the base and the fixed plate, so that the fixed plate and the base are evenly stressed, a coil spring is arranged inside the telescopic column, and the two ends of the telescopic column are respectively perpendicular to the fixed board and base.

Preferably, the smoke sensor is electrically connected to the warning light through an internal circuit so that the warning light can send a signal in time to alert staff when a fire occurs inside the housing.

Preferably, in order to make the rollers and telescopic columns support the fixed plate, and the fixed plate is easy to disassemble from the base, the top of the rollers is in contact with the bottom of the fixed plate, and the fixed plate is connected to the fixed plate through fastening bolts, hydraulic columns and rollers. The base is articulating.

The beneficial effects of the present invention are: by connecting the extruding plate inside the housing and installing a damping spring between the extruding plate and the housing, the housing can withstand the pressure on both sides of the inner and outer sides during work, protecting both the inside and the outside from damage, and working Higher safety performance. The fan can quickly discharge the heat generated by the internal instrument to the outside, which improves the working stability of the instrument. The base and fixing plate at the bottom facilitate the installation of the shell, making it easy to replace when damaged, and will not restrict the replacement of equipment due to the structure of the ground, saving the cost of replacement. The hydraulic column can lift the fixed plate when replacing it, which is convenient for the disassembly of the fixed plate. The telescopic columns around can adjust their height according to the actual distance between the fixed plate and the base to support the fixed plate, and the rollers on the top of the fixed plate are on the fixed plate. It forms sliding friction with the fixed plate during disassembly, which is more convenient and labor-saving during disassembly. The alarm light on the top can inform the staff of the internal situation of the shell in time, and the staff can take measures as soon as possible when an accident occurs. The voltage compensator is easy to install, labor-saving to disassemble, and has good work safety performance.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the shell of the present invention;

Fig. 3 is a schematic diagram of the telescopic column structure of the present invention;

Fig. 4 is a schematic diagram of the internal structure of the loading box of the present invention;

Fig. 5 is a schematic diagram of the internal structure of the telescopic column of the present invention.

In the figure: 1-housing; 2-door body; 3-warning light; 4-loading box; 5-louver; 6-fastening bolt; 7-positioning hole; 8-hydraulic column; ;11-fixed plate; 12-shock absorbing spring; 13-extrusion plate; 14-fan; 15-roller; 16-bracket; 17-smoke sensor; 18-storage box; 19-spray head; .

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-5, a series dynamic voltage compensator, including a housing 1, a base 10 and a fixed plate 11, a number of doors 2 are arranged on one side of the housing 1, and the top middle end of the housing 1 is connected to a loading Box 4, an alarm light 3 is installed on the top of the shell 1 close to the loading box 4, shutters 5 are installed at both ends of the shell 1, extruded plates 13 are connected around the inside of the shell 1, and there is a gap between the extruded plate 13 and the shell 1 Several damping springs 12 are installed, and the bottom of the shell 1 is welded with a fixed plate 11; the bottom of the fixed plate 11 is connected with a base 10, and several fastening bolts 6 are connected between the base 10 and the fixed plate 11, and the base 10 and the fixed plate The middle part between 11 is connected with a hydraulic column 8, the top of the base 10 is evenly connected with several telescopic columns 9 around the hydraulic column 8, and the top of the telescopic column 9 is connected with a bracket 16, and the top of the bracket 16 is equipped with a roller 15, and the inside of the loading box 4 is installed A smoke sensor 17 and a storage box 18 are arranged, and a sprinkler head 19 is connected to the bottom of the storage box 18 .

As a technical optimization solution of the present invention, several positioning holes 7 are provided inside the base 10, and threads are provided on the top of the hydraulic column 8, so that the base 10 is easy to install and fix on the ground, and the base 10 is conveniently connected and fixed through the hydraulic column 8 plate 11.

As a technical optimization scheme of the present invention, a fan 14 is installed on the side of the extrusion plate 13 close to the louver 5, and the interior of the extrusion plate 13 is arranged in a mesh shape, so that the heat dissipation efficiency inside the housing 1 is higher during operation, and Have a good ability to resist pressure.

As a technical optimization scheme of the present invention, the telescopic column 9 is provided with a coil spring 20 inside, and the two ends of the telescopic column 9 are respectively perpendicular to the fixed plate 11 and the base 10, so that the telescopic column 9 can be positioned between the base 10 and the fixed plate 11. Adjust the height of self according to the distance, so that the fixed plate 11 and the base 10 are evenly stressed.

As a technical optimization solution of the present invention, the smoke sensor 17 is electrically connected to the alarm light 3 through an internal circuit, so that the alarm light 3 can send a signal in time to remind the staff when a fire occurs inside the casing 1 .

As a technical optimization scheme of the present invention, the top of the roller 15 is in contact with the bottom of the fixed plate 11, and the fixed plate 15 is movably connected with the base 10 through the fastening bolt 6, the hydraulic column 8 and the roller 15, so that the roller 15 and the telescopic column 8 It can play the role of supporting the fixing plate 11 , and the fixing plate 11 is easy to be disassembled from the base 10 .

When the present invention is in use, first, the base 10 is stably connected to the ground through the positioning hole 7, and then the housing 1 is connected to the base 10 through the fixing plate 11, the fastening bolts 6 and the hydraulic column 8. The hydraulic column 10 is connected with an external hydraulic device, and an appropriate amount of fire extinguishing material is loaded into the storage tank 18 . Open the door body 2 to install various required working instruments inside the shell 1 . When the instrument is working, the fan 14 starts to quickly discharge the heat generated by the instrument to the outside, so as to ensure that the instrument can work stably and efficiently, and prevent external dust from entering the interior of the instrument. When squeezed, the damping spring 12 acts as a buffer to protect the internal instruments from damage. When a dangerous situation occurs inside the shell 1, the squeeze plate 13 ensures the safety of the external environment. Simultaneously the smoke sensor 17 that model is PA-427 detects smoke and transmits signal to warning lamp 3, and warning lamp 3 sends instruction, and the staff sprays fire extinguishing material to shell interior by sprinkler head 19. When the equipment needs to be replaced, the fastening bolt 6 only needs to be removed, the hydraulic column 8 lifts the fixed plate 11, rotates the fixed plate 11, and the roller 15 reduces the friction force when rotating, and supports the fixed plate 11 at the same time.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. a kind of dynamic voltage compensator in series type, including shell (1), base (10) and fixed plate (11), it is characterised in that：Institute State shell (1) side and be provided with several door body (2), and middle-end is connected with carrying case (4) at the top of the shell (1), it is described outer Warning light (3) is installed close to the carrying case (4) side at the top of shell (1), shell (1) both ends are provided with shutter (5), shell (1) inside circumference is respectively connected with stripper plate (13), and pacifies between the stripper plate (13) and the shell (1) Equipped with several damping springs (12), shell (1) bottom is welded with fixed plate (11)；Fixed plate (11) the bottom connection There is base (10), several fastening bolts (6), and the base are connected between the base (10) and the fixed plate (11) (10) middle part is connected with hydraulic column (8) between the fixed plate (11), and base (10) top is close to the hydraulic column (8) Surrounding is uniformly connected with several telescopic masts (9), and is connected with support (16), the support (16) at the top of the telescopic mast (9) Top is provided with roller (15), and Smoke Sensor (17) and storage bin (18), and the storage are provided with inside the carrying case (4) Deposit case (18) bottom and be connected with sprinkler head (19).

A kind of 2. dynamic voltage compensator in series type according to claim 1, it is characterised in that：The base (10) is internal Several positioning holes (7) are provided with, and screw thread is provided with the top of hydraulic column (8).

A kind of 3. dynamic voltage compensator in series type according to claim 1, it is characterised in that：The stripper plate (13) is leaned on Nearly shutter (5) side is provided with blower fan (14), and is set inside stripper plate (13) in net-shaped.

A kind of 4. dynamic voltage compensator in series type according to claim 1, it is characterised in that：In the telescopic mast (9) Portion is provided with helical spring (20), and telescopic mast (9) both ends are respectively perpendicular to fixed plate (11) and base (10).

A kind of 5. dynamic voltage compensator in series type according to claim 1, it is characterised in that：The Smoke Sensor (17) electrically it is connected with warning light (3) by internal wiring.

A kind of 6. dynamic voltage compensator in series type according to claim 1, it is characterised in that：At the top of the roller (15) Contacted with fixed plate (11) bottom, and fixed plate (15) passes through fastening bolt (6), hydraulic column (8) and roller (15) and base (10) it is movably connected.