CN214153696U

CN214153696U - Intelligent combined type anti-harmonic low-voltage power capacitance compensation device

Info

Publication number: CN214153696U
Application number: CN202120038418.7U
Authority: CN
Inventors: 孙红梅
Original assignee: Amat Jiangsu Electric Co ltd
Current assignee: Amat Jiangsu Electric Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-07
Anticipated expiration: 2031-01-07

Abstract

The utility model relates to the technical field of electrical equipment, in particular to an intelligent combined anti-harmonic low-voltage power capacitance compensation device, which comprises a case, a front panel, a wiring board and a base; the front panel is arranged at the front part of the case, and a display module is embedded in the front panel; a top plate is arranged at the top of the case, and a switch is arranged on the top plate; the base is arranged at the bottom of the case; the back of the case is provided with a wiring board, and a plurality of joints are arranged on the wiring board; the wiring board is provided with a fixer and is fixedly arranged with the case through the fixer; a plurality of heat dissipation holes are formed in two sides of the case; a supporting plate is arranged on the inner side wall of the case, a filtering membrane is arranged on the supporting plate, and the filtering membrane covers the heat dissipation holes; a substrate is arranged in the case, and buffering parts are arranged around the substrate; the PCB is arranged on the substrate; the normal work of the PCB is not affected by various environments when the middle case is installed; and has good shock absorption performance.

Description

Intelligent combined type anti-harmonic low-voltage power capacitance compensation device

Technical Field

The utility model relates to an electrical equipment technical field especially relates to an anti harmonic low pressure electric power capacitance compensation arrangement of intelligence combination formula.

Background

The intelligent combined anti-harmonic low-voltage power capacitance compensation device is a new generation reactive compensation device which is applied to a 0.4kV low-voltage power distribution network and has the advantages of high efficiency, energy conservation, harmonic suppression and power factor improvement. The traditional reactive compensation equipment consisting of an intelligent reactive compensation controller, a fuse, a switching switch, a filter reactor, a power capacitor and other parts is replaced. The anti-harmonic intelligent power capacitor is designed aiming at the conditions that the power utilization network has high harmonic content and the conventional intelligent capacitor cannot normally operate, can meet reactive compensation, improve power factor, eliminate the influence of corresponding times of harmonic on a system and improve power utilization quality.

The intelligent combined type anti-harmonic low-voltage power capacitance compensation device adopts the latest technical achievements of micro-electronics software and hardware technology, micro-sensor technology, micro-network technology, electric appliance manufacturing technology and the like, and is intelligentized, realizes the low-voltage reactive compensation function and enables the low-voltage reactive compensation device to work reliably. The system has the series of functions of convenient zero-crossing switching, protection, measurement, signal, on-line and the like, and is a major breakthrough of the low-voltage reactive power automatic compensation technology; the reactive compensation is mainly applied to reactive compensation in severe harmonic occasions, can reliably operate, does not generate resonance, and has no amplification effect on the harmonic. Wherein, the product of connecting 7% reactor in series is used for the electric environment with more than 5 times of main harmonic wave. The product of 14% reactor in series is suitable for the electric environment with 3 or more main harmonic waves. In the prior art, the intelligent combined anti-harmonic low-voltage power capacitance compensation device needs to ensure that the installation environment has no harmful gas and steam, no conductive or explosive dust and no violent mechanical vibration; the installation environment requirement is higher.

In order to solve the above problems, an intelligent combined type anti-harmonic low-voltage power capacitance compensation device is provided in the application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background technology, the utility model provides an intelligent combined anti-harmonic low-voltage power capacitance compensation device, which has the advantages that the normal work of a PCB board is not influenced by various environments when a case is installed; meanwhile, the damping rubber has the characteristic of good damping performance.

(II) technical scheme

In order to solve the technical problem, the utility model provides an intelligent combined anti-harmonic low-voltage power capacitance compensation device, which comprises a case, a front panel, a wiring board and a base;

the front panel is arranged at the front part of the case, and a display module is embedded in the front panel; a top plate is arranged at the top of the case, and a switch is arranged on the top plate; the base is arranged at the bottom of the case; the back of the case is provided with a wiring board, and a plurality of joints are arranged on the wiring board; the wiring board is provided with a fixer and is fixedly arranged with the case through the fixer;

a plurality of heat dissipation holes are formed in two sides of the case; a supporting plate is arranged on the inner side wall of the case, a filtering membrane is arranged on the supporting plate, and the filtering membrane covers the heat dissipation holes; a substrate is arranged in the case, and buffering parts are arranged around the substrate; the PCB is arranged on the substrate, and copper columns are arranged on the periphery of the PCB; the PCB is in conductive connection with the substrate through the copper columns; the substrate is in contact with the housing of the chassis.

Preferably, the middle part of the base is provided with an inward concave groove.

Preferably, the left side and the right side of the base are both provided with sliding grooves, the sliding grooves are provided with movable blocks which slide up and down, and the movable blocks are preset with locking bolts; the locking bolt is embedded into the sliding groove and matched with the sliding groove to form a limiting structure.

Preferably, the movable block is provided with a rear mounting plate, and the mounting plate is provided with a plurality of vertically downward fixing bolts; the fixing bolt is embedded in the ground.

Preferably, the bottom of the inside of the case is provided with a boss.

Preferably, the buffer member includes a first sleeve and a second sleeve, the first sleeve being inserted into the second sleeve; a sealed cavity is formed between the first sleeve and the second sleeve, and compressed air is filled in the first sleeve and the second sleeve.

Preferably, the first sleeve and the second sleeve are both provided with fixing rods, and the fixing rods are connected with the base plate and the inner wall of the case respectively; the periphery of the first sleeve and the second sleeve is provided with an elastic piece, one end of the elastic piece is fixedly connected with the substrate, and the other end of the elastic piece is fixedly connected with the inner wall of the case.

The above technical scheme of the utility model has following profitable technological effect:

1. the middle part of the base is provided with an inward concave groove. The base is well installed with ground, and the recess can form the wind-guiding groove, is convenient for blow the heat dissipation.

2. The left side and the right side of the base are both provided with sliding grooves, movable blocks which slide up and down are arranged on the sliding grooves, and locking bolts are preset on the movable blocks; the locking bolt is embedded into the sliding groove and matched with the sliding groove to form a limiting structure. The movable block is provided with a rear mounting plate, and the mounting plate is provided with a plurality of vertically downward fixing bolts; the fixing bolt is embedded in the ground. When the base and the ground are installed, the height of the movable plate can be adjusted along the sliding groove, and the locking bolt is preset on the movable block; the locking bolt is embedded into the sliding groove and matched with the sliding groove to form a limiting structure; thereby the height of adjustment mounting panel for ground, the installation fixing bolt of the adaptability of being convenient for is fixed the base tightly with ground.

3. The bottom of the inside of the case is provided with a boss. The bottom of base plate contacts with the boss, and the boss erects the base plate, and the boss can reduce water and PCB board contact when leaking.

4. The buffer piece comprises a first sleeve and a second sleeve, and the first sleeve is inserted into the second sleeve; a sealed cavity is formed between the first sleeve and the second sleeve, and compressed air is filled in the first sleeve and the second sleeve. The first sleeve and the second sleeve are combined into the buffer piece, the buffer effect can be achieved, when external vibration is received, the buffer piece can offset the vibration amplitude, and therefore the influence of vibration on the PCB is reduced.

5. The first sleeve and the second sleeve are both provided with fixed rods, and the fixed rods are connected with the inner walls of the base plate and the case respectively; elastic pieces are arranged on the peripheries of the first sleeve and the second sleeve, one end of each elastic piece is fixedly connected with the base plate, and the other end of each elastic piece is fixedly connected with the inner wall of the case; the elastic piece can play a role in auxiliary buffering; the normal work of the PCB is not affected by various environments when the middle case is installed; and has good shock absorption performance.

Drawings

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

fig. 2 is a schematic side view of the middle chassis of the present invention;

FIG. 3 is a schematic view of the structure of part A of the present invention;

fig. 4 is a schematic view of the internal structure of the middle chassis of the present invention;

fig. 5 is a schematic structural diagram of the buffer member of the present invention.

Reference numerals: 1. a front panel; 2. a chassis; 3. a display module; 4. a base; 5. a groove; 6. a movable block; 61. a locking bolt; 7. mounting a plate; 8. a top plate; 9. a switch; 10. heat dissipation holes; 11. a wiring board; 12. a holder; 13. a chute; 14. fixing the bolt; 15. a support plate; 16. a PCB board; 17. a substrate; 18. a buffer member; 181. a first sleeve; 182. a second sleeve; 183. fixing the rod; 184. an elastic member; 19. a copper pillar; 20. and (4) filtering the membrane.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the utility model provides an intelligent combined anti-harmonic low-voltage power capacitance compensation device, which comprises a case 2, a front panel 1, a wiring board 11 and a base 4;

the front panel 1 is arranged at the front part of the case 2, and the display module 3 is embedded in the front panel 1; a top plate 8 is arranged at the top of the case 2, and a switch 9 is arranged on the top plate 8; the base 4 is arranged at the bottom of the case 2; a wiring board 11 is arranged at the back of the case 2, and a plurality of joints are arranged on the wiring board 11; the wiring board 11 is provided with a fixer 12, and the wiring board 11 is fixedly arranged with the case 2 through the fixer 12;

a plurality of heat dissipation holes 10 are formed in the two sides of the case 2; a supporting plate 15 is arranged on the inner side wall of the case 2, a filtering membrane 20 is arranged on the supporting plate 15, and the filtering membrane 20 covers the heat dissipation holes 10; a substrate 17 is arranged in the case 2, and buffering members 18 are arranged around the substrate 17; a PCB (printed circuit board) 16 is arranged on the substrate 17, and copper columns 19 are arranged on the periphery of the PCB 16; the PCB 16 is in conductive connection with the substrate 17 through a copper column 19; the substrate 17 is in contact with the housing of the cabinet 2.

In this embodiment, the middle of the base 4 is provided with an inwardly recessed groove 5.

It should be noted that, the base 4 is well installed on the ground, and the groove 5 can form an air guide groove, so that air blowing and heat dissipation are facilitated.

In the embodiment, the left side and the right side of the base 4 are both provided with sliding grooves 13, the sliding grooves 13 are provided with movable blocks 6 which slide up and down, and the movable blocks 6 are preset with locking bolts 61; the locking bolt 61 is embedded in the sliding groove 13 and forms a limiting structure by matching with the sliding groove 13. The movable block 6 is provided with a rear mounting plate 7, and the mounting plate 7 is provided with a plurality of vertically downward fixing bolts 14; the fixing bolt 14 is embedded in the ground.

It should be noted that, when the base 4 is installed on the ground, the height of the movable plate 6 can be adjusted along the sliding groove 13, and the locking bolt 61 is preset on the movable block 6; the locking bolt 61 is embedded in the sliding groove 13 and is matched with the sliding groove 13 to form a limiting structure; therefore, the height of the mounting plate 7 relative to the ground is adjusted, the fixing bolt 14 is conveniently and adaptively mounted, and the base 4 is tightly fixed with the ground.

In the present embodiment, a boss is provided at the bottom of the inside of the cabinet 2.

The bottom of the substrate 17 contacts with the boss, and the boss elevates the substrate 17, so that the contact of water with the PCB 16 can be reduced by the boss in case of water leakage.

In the present embodiment, the buffer 18 includes a first sleeve 181 and a second sleeve 182, the first sleeve 181 being inserted into the second sleeve 182; a sealed cavity is formed between the first sleeve 181 and the second sleeve 182, and compressed air is filled in the first sleeve 181 and the second sleeve 182.

It should be noted that, the first sleeve 181 and the second sleeve 182 form the buffer 18, which can play a role in buffering, and when external vibration is received, the buffer 18 can offset the amplitude of the vibration, thereby reducing the influence of the vibration on the PCB 16.

In this embodiment, the first sleeve 181 and the second sleeve 182 are both provided with a fixing rod 183, and the fixing rod 183 is connected to the substrate 17 and the inner wall of the chassis 2; the first sleeve 181 and the second sleeve 182 are provided with an elastic member 184 on the periphery thereof, one end of the elastic member 184 is fixedly connected with the substrate 17, and the other end is fixedly connected with the inner wall of the case 2.

The utility model discloses a theory of operation and use flow: a plurality of heat dissipation holes 10 are formed in the two sides of the case 2; a supporting plate 15 is arranged on the inner side wall of the case 2, a filtering membrane 20 is arranged on the supporting plate 15, and the filtering membrane 20 covers the heat dissipation holes 10; while ensuring normal heat dissipation, the filtering membrane 20 can prevent dust and partial particles from entering the case 2, so as to ensure normal working environment of the PCB 16 and reduce risks of conductive short circuit and explosion; a substrate 17 is arranged in the case 2, and buffering members 18 are arranged around the substrate 17; a PCB (printed circuit board) 16 is arranged on the substrate 17, and copper columns 19 are arranged on the periphery of the PCB 16; the PCB 16 is in conductive connection with the substrate 17 through a copper column 19; the substrate 17 is in contact with the housing of the cabinet 2; the copper column 19 can play a role in conducting electricity, so that the harm caused by static electricity is prevented; in the present invention, the buffer member 18 includes a first sleeve 181 and a second sleeve 182, and the first sleeve 181 is inserted into the second sleeve 182; a sealed cavity is formed between the first sleeve 181 and the second sleeve 182, and compressed air is filled in the first sleeve 181 and the second sleeve 182. The first sleeve 181 and the second sleeve 182 form a buffer member 18, which can play a role in buffering, and when external vibration is applied, the buffer member 18 can offset the amplitude of the vibration, thereby reducing the influence of the vibration on the PCB 16. The first sleeve 181 and the second sleeve 182 are both provided with a fixing rod 183, and the fixing rod 183 is connected with the substrate 17 and the inner wall of the case 2 respectively; elastic pieces 184 are arranged on the peripheries of the first sleeve 181 and the second sleeve 182, one end of each elastic piece 184 is fixedly connected with the substrate 17, and the other end of each elastic piece 184 is fixedly connected with the inner wall of the case 2; the elastic member 184 can play a role of auxiliary buffering; the normal work of the PCB 16 is not affected by various environments when the middle case 2 of the utility model is installed; and has good shock absorption performance.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An intelligent combined anti-harmonic low-voltage power capacitance compensation device is characterized by comprising a case (2), a front panel (1), a wiring board (11) and a base (4);

the front panel (1) is arranged at the front part of the case (2), and the display module (3) is embedded in the front panel (1); a top plate (8) is arranged at the top of the case (2), and a switch (9) is arranged on the top plate (8); the base (4) is arranged at the bottom of the case (2); a wiring board (11) is arranged at the back of the case (2), and a plurality of joints are arranged on the wiring board (11); a fixer (12) is arranged on the wiring board (11), and the wiring board (11) is fixedly arranged with the case (2) through the fixer (12);

a plurality of heat dissipation holes (10) are formed in the two sides of the case (2); a supporting plate (15) is arranged on the inner side wall of the case (2), a filtering membrane (20) is arranged on the supporting plate (15), and the filtering membrane (20) covers the heat dissipation holes (10); a substrate (17) is arranged in the case (2), and buffering parts (18) are arranged on the periphery of the substrate (17); a PCB (16) is arranged on the substrate (17), and copper columns (19) are arranged on the periphery of the PCB (16); the PCB (16) is in conductive connection with the substrate (17) through a copper column (19); the substrate (17) is in contact with the housing of the chassis (2).

2. An intelligent combined anti-harmonic low-voltage power capacitance compensation device according to claim 1, characterized in that the middle of the base (4) is provided with an inwardly concave groove (5).

3. The intelligent combined anti-harmonic low-voltage power capacitance compensation device according to claim 2, wherein sliding grooves (13) are formed in the left side and the right side of the base (4), movable blocks (6) which slide up and down are arranged on the sliding grooves (13), and locking bolts (61) are preset on the movable blocks (6); the locking bolt (61) is embedded in the sliding groove (13) and is matched with the sliding groove (13) to form a limiting structure.

4. The intelligent combined anti-harmonic low-voltage power capacitance compensation device according to claim 3, characterized in that the movable block (6) is provided with a rear mounting plate (7), and the mounting plate (7) is provided with a plurality of vertically downward fixing bolts (14); the fixing bolt (14) is embedded in the ground.

5. An intelligent combined anti-harmonic low-voltage power capacitance compensation device according to claim 1, characterized in that a boss is arranged at the bottom of the inside of the case (2).

6. An intelligent combined anti-harmonic low-voltage power capacitance compensation device according to claim 1, characterized in that the buffer (18) comprises a first sleeve (181) and a second sleeve (182), the first sleeve (181) being inserted into the second sleeve (182); a sealed cavity is formed between the first sleeve (181) and the second sleeve (182), and compressed air is filled in the first sleeve (181) and the second sleeve (182).

7. The intelligent combined anti-harmonic low-voltage power capacitance compensation device according to claim 6, wherein the first sleeve (181) and the second sleeve (182) are both provided with a fixing rod (183), and the fixing rod (183) is connected with the inner walls of the base plate (17) and the case (2) respectively; elastic pieces (184) are arranged on the peripheries of the first sleeve (181) and the second sleeve (182), one end of each elastic piece (184) is fixedly connected with the base plate (17), and the other end of each elastic piece (184) is fixedly connected with the inner wall of the case (2).