CN210927471U

CN210927471U - DC voltage-stabilized power supply for high-power switch

Info

Publication number: CN210927471U
Application number: CN201922301191.6U
Authority: CN
Inventors: 史志丰
Original assignee: Nanjing Mutual Creation Electronic Technology Co ltd
Current assignee: Nanjing Mutual Creation Electronic Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-07-03
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a direct current constant voltage power supply for high-power switch, including bottom plate, shell body, interior casing, apron, wherein: be provided with solid fixed ring just on the bottom plate gu fixed ring is the vertical oval annular structure that upwards extends, gu be provided with the circuit board just in the fixed ring circuit board and bottom plate fixed connection, the shell body just with bottom plate fixed connection the outer shells inner wall array is provided with air pipe, air pipe is "S" shape hollow tubular structure, the utility model discloses can avoid the dust to enter into the device inside and work as when can normally ventilate, radiating constant voltage power supply body power improves, the steerable air exhauster of PLC controller starts, passes through the louvre with the inside heat of interior casing and transmits to the shell body outside through the air pipe, dispels the heat fast to the shell body inside.

Description

DC voltage-stabilized power supply for high-power switch

Technical Field

The utility model belongs to the technical field of direct current constant voltage power supply, concretely relates to direct current constant voltage power supply for high-power switch.

Background

The DC stabilized power supply is mainly used for converting AC into DC and can still keep the stability of output voltage when the voltage or load resistance of the AC power supply changes. Along with the development of power supply technology and the improvement of product application requirements, the power supply power is also continuously improved, and when the high-power supply works, the power gear of the high-power supply can be adjusted according to the use requirement of an output end, so that the application is wide.

However, when the power supply with high power is used, the heat generated by the power supply is gradually increased when the power gear is lifted, and if the heat is not discharged in time, the power supply is overloaded, short-circuited or burnt.

Current constant voltage power supply carries out the nature heat dissipation through increasing fin or exhaust window mostly, the radiating efficiency is low, be applicable to the heat dissipation of miniwatt power, when power is higher, current nature heat dissipation can't satisfy constant voltage power supply's normal use requirement and carry out the nature heat dissipation through increasing fin or exhaust window, the radiating effect has promoted, but new problem appears again simultaneously, that is exactly that the dust can drop electronic components through the louvre on, also cause equipment short circuit scheduling problem for a long time easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current constant voltage power supply for high-power switch to solve foretell technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a direct current stabilized voltage power supply for a high-power switch comprises a bottom plate, an outer shell, an inner shell and a cover plate, wherein:

the bottom plate is provided with a fixing ring which is of an oval annular structure extending vertically upwards;

a circuit board is arranged in the fixing ring and is fixedly connected with the bottom plate;

the outer shell is fixedly connected with the bottom plate, and ventilation pipelines are arranged on the inner wall of the outer shell in an array mode;

the ventilating duct is of an S-shaped hollow tubular structure;

one end of the ventilating duct is fixedly connected with the inner wall of the outer shell, and the other end of the ventilating duct is abutted against the outer wall of the inner shell;

the ventilating duct is arranged at a crack between the outer shell and the inner shell;

the outer shell is provided with vent holes penetrating through the shell in an array manner, and the inner shell is provided with heat dissipation holes penetrating through the shell in an array manner;

an exhaust fan is arranged on the inner wall of the inner shell corresponding to the heat dissipation hole array;

the shell body and the inner shell body are arranged at the same height, and a cover plate is fixedly arranged at the top of the shell body and the top of the inner shell body.

Preferably, the circuit board is provided with a PLC controller, and the PLC controller is electrically connected with the exhaust fan.

Preferably, the ventilation hole is corresponding to ventilation pipe one end array setting just the louvre corresponds ventilation pipe other end array setting.

Preferably, the outer shell is fixedly connected with the bottom plate, and the outer shell is fixedly connected with the bottom plate to form a hollow cavity structure with an opening at the upper end;

the inner shell is fixedly connected with the bottom plate, and the inner shell is fixedly connected with the bottom plate to form a hollow cavity structure with an upper end opening.

Preferably, the outer wall of the fixing ring can be abutted against the inner wall of the inner shell, and the outer wall of the fixing ring can limit the inner shell.

Preferably, the bottom plate, the outer shell and the fixing ring are of an integrally formed structure.

The utility model discloses a technological effect and advantage: this direct current constant voltage power supply for high-power switch:

1. the utility model discloses can prevent effectively that the dust from falling to the inside circuit board of casing from the louvre when guaranteeing radiating, can prevent to lead to the fact equipment short circuit scheduling problem because the dust is piled up to through set up the crack between outer casing and interior casing, can make interior casing be in more stable state, prevent that external height, low temperature from leading to the fact the influence to the internal casing, can play the guard action to the circuit board that the internal portion of casing set up, to sum up, the utility model discloses can avoid the dust to enter into inside the device when can normally ventilate, radiating.

2. When the utility model is used normally, the heat generated in the inner shell can be transferred to the outside of the outer shell through the air duct through the heat dissipation holes, and natural cooling is carried out;

3. work as when constant voltage power supply body power improves, the steerable air exhauster of PLC controller starts, passes through the louvre with the inside heat of interior casing and transmits to the shell body outside through the ventilation duct, dispels the heat fast to the inside of interior casing.

Drawings

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

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic view of the specific structure of the present invention.

In the figure: 1-a bottom plate, 2-an outer shell, 3-an inner shell, 4-a cover plate, 5-a circuit board and 6-a ventilating duct;

11-a fixed ring;

21-a vent hole;

31-heat dissipation holes, 32-exhaust fans;

51-PLC controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 3 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a direct current regulated power supply for high-power switch as shown in 1-3 in the figure, including bottom plate 1, shell body 2, interior casing 3, apron 4, wherein:

a fixing ring 11 is arranged on the bottom plate 1, and the fixing ring 11 is of an oval annular structure extending vertically upwards;

a circuit board 5 is arranged in the fixing ring 11, and the circuit board 5 is fixedly connected with the bottom plate 1;

outer casing

2 and 1 fixed connection of bottom plate just 2 inner wall arrays of outer casing are provided with air pipe 6, and air pipe 6 can transmit the inside heat of inner casing 3.

The ventilation pipeline 6 is of an S-shaped hollow tubular structure, and the ventilation pipeline 6 can effectively prevent dust on the circuit board 5 inside the inner shell 3 while radiating the heat of the inner shell 3.

6 one end of air pipe and 2 inner wall fixed connection just of shell body 6 other end and 3 outer walls counterbalance in the shell body, the array is provided with the ventilation hole that runs through the casing on the shell body 2

21 just interior casing 3 is gone up the array and is provided with the louvre 31 that runs through the casing, because circuit board 5 sets up in the inside cavity department of interior casing 3, because circuit board 5 can produce the heat at the operation in-process, the heat of production can pass through louvre 31 and transmit to the shell body 2 outside through ventilation duct 6.

Ventilating duct 6 sets up crack department between shell body 2 and interior casing 3, through set up the crack between shell body 2 and interior casing 3, can make interior casing 3 be in more stable state, prevents that external high, low temperature from leading to the fact the influence to interior casing 3, can play the guard action to circuit board 5 of the inside setting of interior casing 3.

Interior 3 inner walls of casing correspond louvre 31 array and are provided with air exhauster 32, be provided with PLC controller 51 on circuit board 5 and be provided with temperature-detecting device in PLC controller 51 is inside, PLC controller 51 and air exhauster 32 electric connection, when the inside temperature-detecting device of PLC controller 51 detects out that interior 3 internal temperature is higher than first threshold value, the steerable air exhauster 32 of PLC controller 51 starts, passes through louvre 31 with interior 3 internal heat of casing and transmits to the shell body 2 outside through vent pipe 6, dispels the heat fast to interior 3 inside of casing, when the inside temperature-detecting device of PLC controller 51 detects out that interior 3 internal temperature of casing is less than the second threshold value, the PLC controller

51 to control the exhaust fan 32 to be closed, thereby saving the electric quantity.

The shell body 2 and the equal altitude of interior casing 3 set up just the shell body 2 is fixed with apron 4 with 3 tops in the interior casing, and the accessible is glued or welded mode and is fixed apron 4.

Specifically, the vent holes 21 are arranged in an array corresponding to one end of the ventilation duct 6 and the heat dissipation holes 31

And the other ends of the ventilation pipelines 6 are arranged in an array.

Specifically, the outer shell 2 is fixedly connected with the bottom plate 1 to form a hollow cavity structure with an opening at the upper end, and the outer shell 2 and the bottom plate 1 can be fixedly connected in an adhesive bonding or welding manner;

the inner shell 3 is fixedly connected with the bottom plate 1, the inner shell 3 is fixedly connected with the bottom plate 1 to form a hollow cavity structure with an upper end opening, and the inner shell 3 and the bottom plate 1 can be fixedly connected in an adhesive or welding mode.

Specifically, fixed ring 11 outer wall can offset just with 3 inner walls of interior casing fixed ring 11 outer wall can carry on spacingly to interior casing 3, can prevent that interior casing 3 from taking place the displacement, influencing the radiating efficiency.

Specifically, the bottom plate 1, the outer shell 2 and the fixing ring 11 are integrally formed.

In this embodiment, the temperature detection device inside the PLC controller 51 detects that the first threshold temperature is 40 degrees, and the second threshold temperature is 30 degrees, and the staff can open the notch on the bottom plate 1 or the cover plate 4 as required, which facilitates the wiring.

The working principle is as follows: this direct current constant voltage power supply for high-power switch:

when in normal use, circuit board 5 and electronic components are in normal operating condition, and the heat of the inside production of interior casing 3 can be transmitted to the outside of shell body 2 through louvre 31 via ventilation duct 6, and ventilation duct 6 can carry out effectual dustproof to the inside circuit board 5 of interior casing 3 when internal casing 3 is radiating.

Work as after constant voltage power supply body power increase, circuit board 5 and electronic components can produce a large amount of heats, the PLC controller 51 that sets up on circuit board 5 can carry out real-time detection to the inside temperature of 3 internal casings, when PLC controller 51 detects out that the inside temperature of 3 internal casings is higher than 40 degrees, the steerable air exhauster 12 of PLC controller 51 starts, the steerable air exhauster 32 of PLC controller 51 starts, pass through louvre 31 the inside heat of 3 internal casings to the outside of shell body 2 through ventilation duct 6 transmission, dispel the heat fast inside 3 internal casings.

When the temperature detection device in the PLC controller 51 detects that the temperature in the inner housing 3 is lower than 30 degrees, the PLC controller 51 can control the exhaust fan 32 to automatically close, thereby saving electric power.

The utility model discloses can prevent effectively that the dust from falling to casing inside circuit board 5 from louvre 31 when guaranteeing radiating, can prevent to lead to the fact equipment short circuit scheduling problem because the dust is piled up to through set up the crack between outer casing 2 and interior casing 3, can make interior casing 3 be in more stable state, prevent that external height, low temperature from leading to the fact the influence to interior casing 3, can play the guard action to the circuit board 5 of the inside setting of interior casing 3, to sum up, the utility model discloses can avoid the dust to enter into inside the device when can normally ventilating, radiating.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a direct current regulated power supply for high-power switch, includes bottom plate (1), shell body (2), interior casing (3), apron (4), its characterized in that:

a fixing ring (11) is arranged on the bottom plate (1), and the fixing ring (11) is of an oval annular structure extending vertically upwards;

a circuit board (5) is arranged in the fixing ring (11), and the circuit board (5) is fixedly connected with the bottom plate (1);

the outer shell (2) is fixedly connected with the bottom plate (1), and ventilation pipelines (6) are arranged on the inner wall of the outer shell (2) in an array mode;

the ventilating duct (6) is of an S-shaped hollow tubular structure;

one end of the ventilation pipeline (6) is fixedly connected with the inner wall of the outer shell (2), and the other end of the ventilation pipeline (6) is propped against the outer wall of the inner shell (3);

the ventilating duct (6) is arranged at a crack between the outer shell (2) and the inner shell (3);

the outer shell (2) is provided with vent holes (21) penetrating through the shell in an array manner, and the inner shell (3) is provided with heat dissipation holes (31) penetrating through the shell in an array manner;

an exhaust fan (32) is arranged on the inner wall of the inner shell (3) corresponding to the heat dissipation holes (31) in an array manner;

the outer shell (2) and the inner shell (3) are arranged at the same height, and a cover plate (4) is fixedly arranged at the tops of the outer shell (2) and the inner shell (3).

2. A dc regulated power supply according to claim 1, wherein: the circuit board (5) is provided with a PLC (programmable logic controller) (51), and the PLC (51) is electrically connected with the exhaust fan (32).

3. A dc regulated power supply according to claim 1, wherein: the ventilation holes (21) are arranged corresponding to one end of the ventilation pipeline (6) in an array mode, and the heat dissipation holes (31) are arranged corresponding to the other end of the ventilation pipeline (6) in an array mode.

4. A dc regulated power supply according to claim 1, wherein: the outer shell (2) is fixedly connected with the bottom plate (1), and the outer shell (2) is fixedly connected with the bottom plate (1) to form a hollow cavity structure with an opening at the upper end;

the inner shell (3) is fixedly connected with the bottom plate (1), and the inner shell (3) is fixedly connected with the bottom plate (1) to form a hollow cavity structure with an upper end opening.

5. A dc regulated power supply according to claim 1, wherein: the outer wall of the fixing ring (11) can be abutted against the inner wall of the inner shell (3), and the outer wall of the fixing ring (11) can limit the inner shell (3).

6. A dc regulated power supply according to claim 1, wherein: the bottom plate (1), the outer shell (2) and the fixing ring (11) are of an integrally formed structure.