CN210669888U

CN210669888U - Passive power factor correction circuit protection device

Info

Publication number: CN210669888U
Application number: CN201922091457.9U
Authority: CN
Inventors: 朱锰炬
Original assignee: Shenzhen Simsukian Electronics Technology Co ltd
Current assignee: Shenzhen Simsukian Electronics Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-06-02
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a passive power factor correction circuit protector, including last protective cover and lower protective cover, it is provided with the electricity storehouse of connecing with the relative terminal surface middle part of lower protective cover to go up the protective cover, it is provided with rubber insulation pad to connect electricity storehouse lower wall, it is provided with the wiring hole that corresponds with lower protective cover both ends middle part to go up the protective cover, the protective cover up end is being provided with the mounting panel in connecing electricity storehouse both sides position down, mounting panel both sides terminal surface middle part position is provided with the fixed slot, be provided with adjustable stopper in the fixed slot, it is provided with the mounting groove to go up the protective cover lower extreme in the. A passive power factor correction circuit protector, through set up between upper and lower protective cover and connect the electrical storehouse and install rubber insulation pad, make things convenient for passive power factor correction circuit's connection, through set up mounting panel and card income corresponding mounting groove under above the protective cover to the convenient installation that carries on.

Description

Passive power factor correction circuit protection device

Technical Field

The utility model relates to a circuit protection field, in particular to passive power factor correction circuit protector.

Background

With the rapid development of electronic technology, more and more rectifier electronic devices enter people's lives, including office appliances, computers, lighting, power equipment and the like, because a large number of means such as electronic ballast, electronic voltage transformation, electronic frequency conversion speed regulation and the like are adopted, the rectifier electronic devices are converted into nonlinear loads, the harmonic content of a public power grid is increased dramatically by the large number of nonlinear loads, serious influences are brought to power supply facilities and power users, in order to solve the harmonic problem of the rectifier devices, a passive power factor correction circuit is generated in response to the operation, a common passive power factor correction circuit lacks a stable protection device, the leakage of electric power can be caused to form a safety problem when the rectifier passive power factor correction circuit is used for a long time, and the installation of the passive power factor correction circuit is not.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a passive power factor correction circuit protection device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a passive power factor correction circuit protector, includes protective cover and lower protective cover, it is provided with the storehouse of receiving electricity with the relative terminal surface middle part of lower protective cover to go up the protective cover, it is provided with rubber insulation pad to receive electricity storehouse lower wall, it is provided with the wiring hole that corresponds with lower protective cover both ends middle part to go up the protective cover, the protective cover up end is being provided with the mounting panel in connecing electricity storehouse both sides position down, mounting panel both sides terminal surface middle part position is provided with the fixed slot, be provided with adjustable stopper in the fixed slot, it is provided with the mounting groove to go up the protective cover lower extreme in the face of corresponding the mounting panel position, the lower extreme inner wall corresponds the stopper and is provided.

Preferably, the mounting panel is with the component that the protective cover is constituteed as an organic whole down, it is provided with the round hole to go up the protective cover both sides terminal surface and correspond the swing arm position, the swing arm is located the round hole, terminal surface middle part position is provided with the arc before the swing arm.

Preferably, the outer ring head position of the rotating rod is provided with a limiting ring, the inner wall of the circular hole is provided with a limiting circular groove corresponding to the limiting ring, and the limiting ring is located in the limiting circular groove.

Preferably, fixed slot bottom is provided with fixed backing plate, fixed backing plate top is provided with the spring, the spring top is provided with the activity backing plate, the stopper bottom is connected to activity backing plate up end middle part position, the stopper head stretches into the spacing inslot, and the stopper up end is the cambered surface.

Preferably, the rear of the limiting groove is provided with a rectangular groove, the top of the limiting groove is connected to one side of the rectangular groove, a supporting plate is arranged at the rear position of the limiting block in the limiting groove, and a vertical rod is arranged in the middle of the rear end face of the supporting plate.

Preferably, the top of the rectangular groove is provided with an adjustable cross rod, the head of the cross rod extends into the limiting groove and is connected to the tail of the vertical rod, and the middle position of the front end face of the cross rod is provided with an elastic piece.

Preferably, the terminal surface afterbody position is provided with the connecting rod before the horizontal pole, the rectangular channel antetheca corresponds the connecting rod and is provided with fixed circular slot, fixed circular slot bottom is connected to the round hole, the connecting rod afterbody is provided with the connecting band, the connecting band afterbody stretches into the round hole and is connected to the swing arm.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through set up between upper and lower protective cover and connect the electrical storehouse and install rubber insulation pad, conveniently carry out the installation of circuit and carry out insulation protection, promote the security of passive power factor correction circuit, be provided with the mounting panel and the card goes into the mounting groove that corresponds through the protective cover up end under, and utilize the stopper card at mounting panel both ends to go into the spacing groove and fix, thereby convenient installation protector, through setting up adjustable swing arm in last protective cover both sides, utilize the swing arm can change the stationary state of mounting panel, convenient dismantlement is overhauld and is maintained.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a passive power factor correction circuit protection device of the present invention;

fig. 2 is a top sectional view of the passive power factor correction circuit protection device of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2.

In the figure: 1. a lower protective cover; 2. an upper protective cover; 3. a power receiving bin; 4. a rubber insulating pad; 5. a wiring hole; 6. mounting a plate; 7. mounting grooves; 8. a limiting block; 9. a limiting groove; 10. a circular hole; 11. rotating the rod; 12. fixing grooves; 13. fixing the base plate; 14. a spring; 15. a movable base plate; 16. a rectangular groove; 17. a support plate; 18. a vertical rod; 19. a cross bar; 20. an elastic member; 21. a connecting rod; 22. fixing the circular groove; 23. a connecting belt; 24. a limiting ring; 25. a limiting circular groove; 26. an arc-shaped plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a passive power factor correction circuit protection device, including last protective cover 2 and lower protective cover 1, it is provided with electricity connection storehouse 3 with the relative terminal surface middle part of lower protective cover 1 to go up protective cover 2, it is provided with rubber insulating pad 4 to connect the lower wall in storehouse 3, it is provided with corresponding wiring hole 5 with lower protective cover 1 both ends middle part to go up protective cover 2, protective cover 1 up end is provided with mounting panel 6 in connecing 3 both sides positions in storehouse down, mounting panel 6 both sides terminal surface middle part position is provided with fixed slot 12, be provided with adjustable stopper 8 in the fixed slot 12, it is provided with mounting groove 7 to go up protective cover 2 lower terminal surface and correspond mounting panel 6 position, the upper and lower end inner wall of mounting groove 7 corresponds stopper 8 and is provided with spacing groove.

The mounting plate 6 and the lower protective cover 1 are integrated into a whole, round holes 10 are formed in the end faces of the two sides of the upper protective cover 2 corresponding to the positions of the rotary rods 11, the rotary rods 11 are located in the round holes 10, and an arc-shaped plate 26 is arranged in the middle of the front end face of each rotary rod 11; a limiting ring 24 is arranged at the outer ring head part of the rotating rod 11, a limiting circular groove 25 is arranged on the inner wall of the circular hole 10 corresponding to the limiting ring 24, and the limiting ring 24 is positioned in the limiting circular groove 25; a fixed backing plate 13 is arranged at the bottom of the fixed groove 12, a spring 14 is arranged above the fixed backing plate 13, a movable backing plate 15 is arranged above the spring 14, the bottom of the limiting block 8 is connected to the middle position of the upper end face of the movable backing plate 15, the head of the limiting block 8 extends into the limiting groove 9, and the upper end face of the limiting block 8 is a cambered surface; a rectangular groove 16 is formed in the rear of the limiting groove 9, the top of the limiting groove 9 is connected to one side of the rectangular groove 16, a supporting plate 17 is arranged in the limiting groove 9 behind the limiting block 8, and a vertical rod 18 is arranged in the middle of the rear end face of the supporting plate 17; the top of the rectangular groove 16 is provided with an adjustable cross rod 19, the head of the cross rod 19 extends into the limiting groove 9 and is connected to the tail of the vertical rod 18, and the middle position of the front end face of the cross rod 19 is provided with an elastic part 20; the tail of the front end face of the cross rod 19 is provided with a connecting rod 21, the front wall of the rectangular groove 16 is provided with a fixed circular groove 22 corresponding to the connecting rod 21, the bottom of the fixed circular groove 22 is connected to the circular hole 10, the tail of the connecting rod 21 is provided with a connecting belt 23, and the tail of the connecting belt 23 extends into the circular hole 10 and is connected to the rotary rod 11.

It should be noted that the utility model relates to a passive power factor correction circuit protection device, which is convenient for the connection and insulation protection of the passive power factor correction circuit by arranging an electricity receiving chamber 3 and installing a rubber insulation pad 4 between a lower protection cover 1 and an upper protection cover 2, and is convenient for fixing by arranging a mounting plate 6 above the lower protection cover 1 and clamping the mounting groove 7 into the corresponding mounting groove 7, when in use, the passive power factor correction circuit is firstly installed through wiring holes 5 at both ends of the lower protection cover 1, and a relevant original is installed in the electricity receiving chamber 3, then the upper protection cover 2 is covered, the mounting groove 7 at the lower end face of the upper protection cover 2 is aligned with the mounting plate 6 for installation, the mounting plate 6 gradually enters the mounting groove 7, the inner wall of the mounting groove 7 contacts with limit blocks 8 at both ends of the mounting plate 6, and extrudes the same to the bottom of a fixing groove 12 through the cambered surface, the limiting block 8 extrudes the spring 14 through the movable backing plate 15 at the rear, the spring 14 is compressed under stress until the limiting block 8 enters the fixed groove 12, at the moment, the mounting plate 6 continues to move along the mounting groove 7, when the limiting block 8 reaches the position of the limiting groove 9 on the inner wall of the mounting groove 7, the limiting block 8 extends into the limiting groove 9 under the elastic force action of the spring 14 at the moment, the mounting plate 6 is fixed in the mounting groove 7, and therefore the upper protective cover 2 and the lower protective cover 1 are in a stable state, and the circuit is protected in an insulating mode; when needs are dismantled equipment, find the swing arm 11 and rotate of protective cover 2 both sides, swing arm 11 drives the connecting band 23 motion of both sides, connecting band 23 covers at swing arm 11 outer lane gradually, connecting band 23 drives the connecting rod 21 that links to each other and moves to swing arm 11 position when the motion, connecting rod 21 drives horizontal pole 19 motion, horizontal pole 19 extrudes elastic component 20 of below, elastic component 20 atress compression, horizontal pole 19 drives montant 18 downstream simultaneously, montant 18 drives layer board 17 motion, layer board 17 extrudees stopper 8 of below, until extruding stopper 8 spacing groove 9, mounting panel 6 no longer receives fixedly this moment, can take off protective cover 2 and dismantle.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A kind of passive power factor corrects the protective device of the circuit, characterized by that: comprises an upper protective cover (2) and a lower protective cover (1), wherein the middle part of the end surface of the upper protective cover (2) opposite to the lower protective cover (1) is provided with a power receiving bin (3), the lower wall of the electricity receiving bin (3) is provided with a rubber insulating pad (4), the middle parts of the two ends of the upper protective cover (2) and the lower protective cover (1) are provided with corresponding wire connecting holes (5), mounting plates (6) are arranged on the upper end surface of the lower protective cover (1) at the two sides of the power receiving bin (3), the middle parts of the end surfaces at both sides of the mounting plate (6) are provided with fixing grooves (12), an adjustable limiting block (8) is arranged in the fixed groove (12), a mounting groove (7) is arranged at the position of the lower end face of the upper protective cover (2) corresponding to the mounting plate (6), the inner walls of the upper end and the lower end of the mounting groove (7) are provided with limit grooves (9) corresponding to the limit blocks (8), and a rotary rod (11) is arranged in the middle of the end faces of the two sides of the upper protective cover (2).

2. The passive pfc circuit protection device of claim 1, wherein: mounting panel (6) and the component of lower protective cover (1) constitution as an organic whole, it is provided with round hole (10) to go up protective cover (2) both sides terminal surface correspondence swing arm (11) position, swing arm (11) are located round hole (10), terminal surface middle part position is provided with arc (26) before swing arm (11).

3. The passive pfc circuit protection device of claim 2, wherein: the utility model discloses a swing arm, including swing arm (11), rotating rod, locating ring (24) are provided with in the first position of outer lane, round hole (10) inner wall corresponds locating ring (24) and is provided with spacing circular slot (25), locating ring (24) are located spacing circular slot (25).

4. The passive pfc circuit protection device of claim 1, wherein: fixed slot (12) bottom is provided with fixed backing plate (13), fixed backing plate (13) top is provided with spring (14), spring (14) top is provided with movable backing plate (15), stopper (8) bottom is connected to movable backing plate (15) up end middle part position, stopper (8) head stretches into in spacing groove (9), and stopper (8) up end is the cambered surface.

5. The passive pfc circuit protection device of claim 1, wherein: limiting groove (9) rear is provided with rectangular channel (16), limiting groove (9) top is connected to rectangular channel (16) one side, stopper (8) rear position is provided with layer board (17) in limiting groove (9), layer board (17) rear end face middle part position is provided with montant (18).

6. The passive pfc circuit protection device of claim 5, wherein: the adjustable limiting groove is characterized in that an adjustable cross rod (19) is arranged at the top of the rectangular groove (16), the head of the cross rod (19) extends into the limiting groove (9) and is connected to the tail of the vertical rod (18), and an elastic piece (20) is arranged in the middle of the front end face of the cross rod (19).

7. The passive pfc circuit protection device of claim 6, wherein: the utility model discloses a round hole (10) is connected to the connecting rod (21), the terminal surface afterbody position is provided with connecting rod (21) before horizontal pole (19), rectangular channel (16) antetheca corresponds connecting rod (21) and is provided with fixed circular slot (22), fixed circular slot (22) bottom is connected to round hole (10), connecting rod (21) afterbody is provided with connecting band (23), connecting band (23) afterbody stretches into round hole (10) and is connected to swing arm (11).