CN219287969U

CN219287969U - Constant-voltage centralized power supply

Info

Publication number: CN219287969U
Application number: CN202320525987.3U
Authority: CN
Inventors: 白霖
Original assignee: Shenzhen Juding Electronic Co ltd
Current assignee: Shenzhen Juding Electronic Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-06-30
Anticipated expiration: 2033-03-14

Abstract

The utility model provides a constant-voltage centralized power supply, which comprises a base, wherein the top of the base is fixedly provided with a circuit board through a limiting mechanism, the outer side of the circuit board is fixedly provided with a shell through an elastic clamping plate, the elastic clamping plates are symmetrically and fixedly arranged on two sides of the top end of the base, and the shell can be fixed through the elastic clamping plates and arc-shaped protruding blocks, so that the stability of the shell is high and the use is convenient; the bottom of the circuit board is directly connected with the bottom of the circuit board through the heat dissipation plate, so that heat dissipation is conveniently carried out on the bottom of the circuit board; the circuit board can be fixed through the knob, the upper rotating rod and the lower rotating rod, so that the stability of the circuit board can be improved; the clamping rod is conveniently rotated and adjusted through the upper rotating rod, the lower rotating rod and the regular polygon rod, and the circuit board is conveniently detached, so that the operation is simple.

Description

Constant-voltage centralized power supply

Technical Field

The utility model relates to the technical field of centralized power supplies, in particular to a constant-voltage centralized power supply.

Background

The utility model patent of China with the publication number of CN211743688U provides an intelligent safe centralized power supply device, which comprises a bottom plate, an upper cover and a circuit board, wherein L-shaped supporting plates protruding downwards to the bottom plate are respectively arranged on two sides of the bottom plate, and a plurality of radiating fins perpendicular to the bottom plate are fixedly connected to the bottom end of the bottom plate; the two sides of the bottom plate are fixedly connected with a plurality of L-shaped clamping plates facing the front of the bottom plate respectively, the bottoms of the side plates at the two sides of the upper cover are respectively processed to form a plurality of L-shaped clamping grooves with downward openings, and one side, connected with the bottom plate, of the L-shaped clamping plates is clamped into the L-shaped clamping grooves, so that the upper cover is arranged on the bottom plate; the upper cover is provided with a plurality of heat dissipation holes; the circuit board is installed at the top of the bottom plate by screws, and a cable connector, a transformer, an IGBT module and an output terminal which are electrically connected with the circuit board are installed on the circuit board.

According to the technical scheme, the upper cover is arranged on the bottom plate through the clamping of the L-shaped clamping plates arranged on the two sides of the bottom plate and the L-shaped clamping grooves arranged on the two sides of the upper cover, so that the upper cover and the bottom plate are convenient to assemble and disassemble; the bottom of the bottom plate is suspended through the L-shaped supporting plates arranged on the two sides of the bottom plate and the radiating fins at the bottom end of the bottom plate, so that ventilation and heat dissipation can be realized, and the heat dissipation effect of the bottom plate is improved; the front end of the bottom plate is provided with an ear plate, a rotating shaft is rotatably arranged on the ear plate, and a front baffle of the upper cover is locked by a lock column fixedly connected to the front end of the rotating shaft, so that the upper cover is prevented from being separated from the bottom plate; however, the rotating shaft and the locking device are not provided with a limiting device in the rotating direction, so that the rotating shaft and the locking device are easy to rotate, the locking device is parallel to the locking channel, the upper cover is easy to fall off, and the use is inconvenient.

Therefore, the utility model provides a constant-voltage centralized power supply.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a constant-voltage centralized power supply to solve the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a constant voltage centralized power supply, includes the base, there is the circuit board at the top of base through stop gear fixed mounting, there is the shell outside through elastic clamping board fixed mounting in the outside of circuit board, elastic clamping board symmetry fixed mounting is in the both sides on the top of base, stop gear includes regular polygon pole, the mounting groove has been seted up at the top of base, regular polygon pole rotates the inside of installing at the circuit board.

Further, a torsion spring is fixedly installed between the regular polygon rod and the circuit board, a clamping rod is fixedly installed at the bottom end of the regular polygon rod, clamping grooves are formed in the inner walls of the two sides of the installation groove at positions corresponding to the clamping rods, and one end of each clamping rod is clamped in the clamping grooves.

Further, the inside of shell corresponds the spacing dwang that rotates directly over the regular polygon pole, the bottom fixed mounting of going up the dwang has down the dwang, the top fixed mounting of going up the dwang has the knob, the knob sets up the top at the shell.

Further, a regular polygon groove is formed in the center of the bottom end of the lower rotating rod, and the top end of the regular polygon rod is inserted into the regular polygon groove.

Furthermore, jacks are formed in the positions, corresponding to the regular polygon rods, of the two ends of the circuit board, and the top ends of the regular polygon rods are movably mounted in the jacks.

Further, the rubber block is fixedly arranged between the circuit board and the base, the constant voltage module is fixedly arranged at the top of the circuit board, a terminal is fixedly welded at one end of the circuit board, and the terminal is arranged on the outer side of the shell.

Further, the inside equidistance fixed mounting of the bottom of mounting groove has the heating panel, the top of heating panel sets up in the outside of base, the top of heating panel contacts with the top of circuit board.

Further, the L-shaped plates are symmetrically and fixedly arranged at the two ends of the base, the mounting holes are formed in the L-shaped plates at equal intervals, air holes are formed in the inner wall of the shell, and arc-shaped protruding blocks are arranged at the top ends of the elastic clamping plates.

The utility model has the beneficial effects that: according to the constant-voltage centralized power supply, the outer shell can be fixed through the elastic clamping plate and the arc-shaped protruding blocks, and the arc-shaped protruding blocks are arranged in the outer wall of the outer shell, so that the outer shell is high in stability and convenient to use; the heat dissipation plate is directly contacted with the bottom of the circuit board, so that the bottom of the circuit board is conveniently dissipated; the circuit board can be fixed through the knob, the upper rotating rod and the lower rotating rod, so that the stability of the circuit board can be improved, and the regular polygonal rod, the clamping rod and the clamping groove can be used for secondarily fixing the circuit board; the clamping rod is conveniently rotated and adjusted through the upper rotating rod, the lower rotating rod and the regular polygon rod, and the circuit board is conveniently detached, so that the operation is simple.

Drawings

FIG. 1 is a diagram of a constant voltage centralized power supply structure of the present utility model;

FIG. 2 is a cross-sectional view of a constant voltage centralized power supply of the present utility model;

FIG. 3 is an enlarged view of the constant voltage centralized power supply at A in FIG. 2;

FIG. 4 is a block diagram of a constant voltage centralized power supply part limiting mechanism of the utility model;

in the figure: 1. a base; 2. a housing; 3. a limiting mechanism; 4. an elastic clamping plate; 5. a mounting hole; 6. a heat dissipation plate; 7. a terminal; 8. a constant voltage module; 9. a knob; 10. an upper rotating rod; 11. a lower rotating rod; 12. a regular polygonal rod; 13. a clamping rod; 14. a circuit board; 15. a clamping groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a constant voltage centralized power supply, includes base 1, the top of base 1 has circuit board 14 through stop gear 3 fixed mounting, there is shell 2 outside through elastic clamping plate 4 fixed mounting in the outside of circuit board 14, elastic clamping plate 4 symmetry fixed mounting is in the both sides on the top of base 1, stop gear 3 includes regular polygon pole 12, the mounting groove has been seted up at the top of base 1, regular polygon pole 12 rotates and installs the inside at circuit board 14, can dismantle circuit board 14 fixed mounting at the top of base 1 through stop gear 3, also can dismantle circuit board 14 through stop gear 3, easy operation.

In this embodiment, there is the torsional spring fixed mounting between regular polygon pole 12 and the circuit board 14, regular polygon pole 12's bottom fixed mounting has draw-in bar 13, draw-in groove 15 has been seted up to corresponding draw-in bar 13 position department on the both sides inner wall of mounting groove, the inside of draw-in bar 13 corresponds the spacing rotation of just above regular polygon pole 12 and installs upper rotating rod 10, the bottom fixed mounting of upper rotating rod 10 has lower rotating rod 11, the top fixed mounting of upper rotating rod 10 has knob 9, knob 9 sets up at the top of shell 2, regular polygon groove has been seted up at the central point of the bottom of lower rotating rod 11, the jack has been seted up at the inside of regular polygon groove to the inside of corresponding draw-in bar 13 position department at the both ends of circuit board 14, the inside of corresponding regular polygon pole 12, the top movable mounting of regular polygon pole 12 can carry out the rotation to the inside of jack under the effect of draw-in bar 12 at the inside of draw-in groove 15, thereby can carry out the rotation to rotating rod 14 under the effect of regular polygon pole 12 to the rotary plate 14, thereby rotate to the rotating rod 14 under the effect of the top of the torsional spring 11, so that the circuit board 14 can be dismantled.

In this embodiment, a rubber block is fixedly arranged between the circuit board 14 and the base 1, a constant voltage module 8 is fixedly mounted at the top of the circuit board 14, a terminal 7 is fixedly welded at one end of the circuit board 14, the terminal 7 is arranged at the outer side of the housing 2, and the stable voltage output by the centralized power supply can be ensured through the constant voltage module 8.

In this embodiment, inside equidistance fixed mounting of the bottom of mounting groove has heating panel 6, the top of heating panel 6 sets up in the outside of base 1, the top of heating panel 6 and the top contact of circuit board 14, the both ends symmetry fixed mounting of base 1 has the L template, mounting hole 5 has been seted up to the inside equidistance of L template, the gas pocket has been seted up on the inner wall of shell 2, the top of elastic clamping plate 4 is provided with the arc lug, can dispel the heat to the bottom of circuit board 14 through heating panel 6, installs this concentrated power supply through L template and mounting hole 5 convenience.

When the constant-voltage centralized power supply is used, the elastic clamping plate 4 and the arc-shaped protruding blocks can fix the outer shell 2, and the arc-shaped protruding blocks are arranged in the outer wall of the outer shell 2, so that the stability of the outer shell 2 is high, and the use is convenient; the bottom of the circuit board 14 is conveniently radiated by directly contacting the heat radiation plate 6 with the bottom of the circuit board 14; the knob 9, the upper rotating rod 10 and the lower rotating rod 11 can be used for fixing the circuit board 14, and the regular polygonal rod 12 and the clamping rod 13 can be used for secondarily fixing the circuit board 14, so that the stability of the circuit board can be improved; the clamping rod 13 is conveniently rotated and adjusted through the upper rotating rod 10, the lower rotating rod 11 and the regular polygon rod 12, and is screwed out from the clamping groove 15, so that the circuit board 14 is conveniently detached, the operation is simple, and the shell 2 can be detached through the elastic clamping plate 4.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a constant voltage centralized power supply, includes base (1), its characterized in that, stop gear (3) fixed mounting have circuit board (14) at the top of base (1), the outside of circuit board (14) is through elastic clamping board (4) fixed mounting has shell (2), elastic clamping board (4) symmetry fixed mounting is in the both sides on the top of base (1), stop gear (3) include regular polygon pole (12), the mounting groove has been seted up at the top of base (1), regular polygon pole (12) rotate the inside of installing at circuit board (14).

2. The constant voltage centralized power supply of claim 1, wherein: the novel circuit board is characterized in that a torsion spring is fixedly arranged between the regular polygon rod (12) and the circuit board (14), a clamping rod (13) is fixedly arranged at the bottom end of the regular polygon rod (12), clamping grooves (15) are formed in the inner walls of the two sides of the mounting groove at positions corresponding to the clamping rod (13), and one end of the clamping rod (13) is clamped in the clamping grooves (15).

3. The constant voltage centralized power supply of claim 2, wherein: the inside of shell (2) corresponds regular polygon pole (12) and just above spacing pivoted install dwang (10), the bottom fixed mounting of going up dwang (10) has lower dwang (11), the top fixed mounting of going up dwang (10) has knob (9), knob (9) set up the top at shell (2).

4. A constant voltage centralized power supply according to claim 3, wherein: the center of the bottom end of the lower rotating rod (11) is provided with a regular polygon groove, and the top end of the regular polygon rod (12) is inserted into the regular polygon groove.

5. The constant voltage centralized power supply of claim 4, wherein: the positions of the two ends of the circuit board (14) corresponding to the regular polygon rods (12) are provided with jacks, and the top ends of the regular polygon rods (12) are movably arranged in the jacks.

6. The constant voltage centralized power supply of claim 1, wherein: a rubber block is fixedly arranged between the circuit board (14) and the base (1), a constant voltage module (8) is fixedly arranged at the top of the circuit board (14), a terminal (7) is fixedly welded at one end of the circuit board (14), and the terminal (7) is arranged on the outer side of the shell (2).

7. The constant voltage centralized power supply of claim 1, wherein: the inside equidistance fixed mounting of the bottom of mounting groove has heating panel (6), the top of heating panel (6) sets up in the outside of base (1), the top of heating panel (6) contacts with the top of circuit board (14).

8. The constant voltage centralized power supply of claim 1, wherein: the novel plastic elastic clamping plate is characterized in that L-shaped plates are symmetrically and fixedly arranged at two ends of the base (1), mounting holes (5) are formed in the L-shaped plates at equal intervals, air holes are formed in the inner wall of the shell (2), and arc-shaped protruding blocks are arranged at the top ends of the elastic clamping plates (4).