CN214256103U

CN214256103U - Power supply device for preventing output short circuit

Info

Publication number: CN214256103U
Application number: CN202120081943.7U
Authority: CN
Inventors: 唐换名; 周建平
Original assignee: Zhuhai Qili Electronic Technology Co ltd
Current assignee: Zhuhai Qili Electronic Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-09-21
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a prevent output short circuit power supply device, including base, shell body, top cap and power supply main part, the shell body is located between base and the top cap, inside power supply main part is located the shell body, all installs first heat conduction silica gel pad on the wall of power supply main part both sides, install telescopic machanism on the first heat conduction silica gel pad, the inside driving motor that is equipped with of base, driving motor's output shaft has drive bevel gear, the equal meshing in drive bevel gear both sides is connected with driven bevel gear. The utility model discloses a be equipped with first heat conduction silica gel pad and second heat conduction silica gel pad, when power supply main part work produced a large amount of heats, the temperature sensing liquid expansion in first sealed chamber and the sealed intracavity of second promoted first piston board and second piston board and removes for L shape through-hole and the inside intercommunication of shell body, butt joint board and contact switch butt simultaneously, the drive motor circular telegram dispels the heat work, can avoid power supply main part because of the phenomenon that inside heat gathering leads to the short circuit.

Description

Power supply device for preventing output short circuit

Technical Field

The utility model relates to a power correlation technique field specifically is a prevent exporting short circuit power supply device.

Background

A power supply is a device that converts energy of other forms into electric energy, and is a device that supplies power to electronic equipment, also called a power supply, and there are many types of power supplies, and common power supplies include a switching power supply, an inverter power supply, an ac voltage-stabilized power supply, a DC/DC power supply, a communication power supply, a module power supply, a variable frequency power supply, a UPS power supply, and the like.

The existing power supply can generate a large amount of heat during working, if the heat cannot be discharged, the stability of the internal work of the power supply can be influenced, so that the short circuit phenomenon is easy to occur, the use is influenced, most of the existing power supply does not have the dustproof effect during heat dissipation, dust is easy to enter in the heat dissipation process, and the normal use of the power supply is easy to influence for a long time and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent exporting short circuit power supply device to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: an output short circuit prevention power supply device comprises a base, an outer shell, a top cover and a power supply main body, wherein the outer shell is positioned between the base and the top cover, the power supply main body is positioned in the outer shell, the two side walls of the power supply main body are respectively provided with a first heat-conducting silica gel pad, the first heat-conducting silica gel pad is provided with a telescopic mechanism, the base is internally provided with a driving motor, the output shaft of the driving motor is connected with a driving bevel gear, both sides of the driving bevel gear are engaged and connected with driven bevel gears, two groups of rotating rods are rotatably arranged in the base, one end of each group of rotating rods is respectively and fixedly connected with two groups of driven bevel gears, the other end of each group of rotating rods is fixedly connected with an induced draft fan blade, air inlet mesh has all been seted up on the base both sides wall, the inside one side that is close to the air inlet mesh of base is equipped with the active carbon filter screen, the base communicates through the through-hole with the shell body is inside.

Further, telescopic machanism includes first sealed chamber, temperature sensing liquid, first piston board and first piston rod, first sealed chamber is installed on first heat conduction silica gel pad, temperature sensing liquid is filled in first sealed chamber, first piston board is located first sealed intracavity, first piston rod one end and first piston board one side fixed surface are connected, the rubber seal piece is installed to the first piston rod other end.

Further, a groove matched with the rubber sealing block is formed in the inner wall of the outer shell, an L-shaped through hole is formed in the outer shell and is communicated with the inside of the groove, the rubber sealing block is located in the groove, and one end of the L-shaped through hole is sealed by the rubber sealing block.

Furthermore, the side wall of the outer shell is provided with radiating fins which are arranged in an inclined mode, the radiating fins are provided with multiple groups, the multiple groups of radiating fins are arranged on the outer shell, and the radiating fins are located on one side of the L-shaped through hole.

Further, power main part bottom is equipped with second heat conduction silica gel pad, surface mounting has the sealed chamber of second under the second heat conduction silica gel pad, the sealed chamber of second extends to inside the base, the sealed intracavity of second also is filled with temperature sensing liquid, the sealed intracavity of second still is equipped with the second piston board, second piston board one side is connected with the second piston rod, second piston rod one end is connected with butt joint board through buffer spring.

Further, the inside fixed frame that is equipped with of base, be equipped with the contact switch on the fixed frame, the contact switch is connected with driving motor, the contact switch is located butt joint board under.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

(1) the utility model discloses a be equipped with first heat conduction silica gel pad in power main part both sides, and be equipped with second heat conduction silica gel pad in the power main part bottom, when power main part work produced a large amount of heats, the temperature sensing liquid inflation in first sealed chamber and the sealed intracavity of second promotes first piston board and second piston board and removes, thereby make rubber seal piece enter into in the recess, L shape through-hole and the inside intercommunication of shell body, butt joint board and contact switch butt simultaneously, the driving motor circular telegram is worked, guarantee the radiating effect good, can avoid the power main part because of the phenomenon of inside heat gathering lead to the short circuit, and convenient use.

(2) The utility model discloses a set up the multiunit fin, can utilize the fin to carry out daily work, and the fin is the slope setting in L shape through-hole one side, and when can utilizing the heat dissipation, L shape through-hole combustion gas blows to the fin, and the hot gas flow on the fin can accelerate, increases the radiating effect, can utilize the combustion gas to blow off the dust on the fin simultaneously, convenient to use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of a portion a in fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of a part B in fig. 2 according to the present invention;

in the figure: 1. a base; 2. an outer housing; 3. a heat sink; 4. a top cover; 5. a power supply main body; 6. a first heat-conducting silica gel pad; 7. a second heat-conducting silica gel pad; 8. air inlet mesh holes; 9. an active carbon filter screen; 10. rotating the rod; 11. an induced draft fan blade; 12. a drive motor; 13. a temperature sensing liquid; 14. a first piston plate; 15. a first piston rod; 16. a rubber sealing block; 17. an L-shaped through hole; 18. a groove; 19. a first sealed chamber; 20. a second piston plate; 21. a second piston rod; 22. a butt joint plate; 23. a buffer spring; 24. a contact switch; 25. a fixing frame; 26. a drive bevel gear; 27. a driven bevel gear; 28. a second sealed chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1-4, the present invention provides a technical solution: an output short circuit prevention power supply device comprises a base 1, an outer shell 2, a top cover 4 and a power supply main body 5, wherein the outer shell 2 is positioned between the base 1 and the top cover 4, the power supply main body 5 is positioned inside the outer shell 2, first heat conduction silica gel pads 6 are respectively arranged on two side walls of the power supply main body 5, telescopic mechanisms are arranged on the first heat conduction silica gel pads 6, a driving motor 12 is arranged inside the base 1, an output shaft of the driving motor 12 is connected with a driving bevel gear 26, two sides of the driving bevel gear 26 are respectively connected with driven bevel gears 27 in a meshing manner, two groups of rotating rods 10 are rotatably arranged inside the base 1, one ends of the two groups of rotating rods 10 are respectively and fixedly connected with the two groups of driven bevel gears 27, the other ends of the two groups of rotating rods 10 are fixedly connected with induced air fan blades 11, air inlet meshes 8 are respectively arranged on two, the base 1 is communicated with the interior of the outer shell 2 through a through hole.

Telescopic machanism includes first seal chamber 19, temperature sensing liquid 13, first piston plate 14 and first piston rod 15, first seal chamber 19 is installed on first heat conduction silica gel pad 6, temperature sensing liquid 13 fills in first seal chamber 19, first piston plate 14 is located first seal chamber 19, first piston rod 15 one end and first piston plate 14 one side fixed surface are connected, rubber seal block 16 is installed to the first piston rod 15 other end, can utilize temperature sensing liquid 13 in the first seal chamber 19 to receive the heat back inflation on the first heat conduction silica gel pad 6 and extrude first piston plate 14 and remove to promote first piston rod 15 and remove, push into the inside bottom of recess 18 with rubber seal block 16, thereby make the inside intercommunication of L shape through-hole 17 and recess 18.

Offer the recess 18 that matches with the sealed piece 16 of rubber on the 2 inner walls of shell body, L shape through-hole 17 has been seted up on the shell body 2, L shape through-hole 17 and the inside intercommunication of recess 18, the sealed piece 16 of rubber is located recess 18, and the sealed piece 16 of rubber is sealed to L shape through-hole 17 one end, and when the heat in shell body 2 was lower, can utilize the sealed piece 16 of rubber to advance to shape sealedly to L shape through-hole 17, prevents that the dust from getting into.

Install fin 3 on 2 lateral walls of shell body, fin 3 is the slope setting, and fin 3 is equipped with the multiunit, multiunit fin 3 arranges and sets up on shell body 2, and fin 3 is located L shape through-hole 17 one side, can utilize fin 3 to carry out daily work, and fin 3 is the slope setting in L shape through-hole 17 one side, when can utilize the heat dissipation, L shape through-hole 17 combustion gas blows to fin 3, can accelerate the hot gas flow on the fin 3, increases the radiating effect, can utilize the combustion gas to blow off the dust on the fin 3 simultaneously, convenient to use.

The bottom of power main part 5 is equipped with second heat conduction silica gel pad 7, surface mounting has second seal chamber 28 under second heat conduction silica gel pad 7, second seal chamber 28 extends to inside 1 base, also fill in the second seal chamber 28 has temperature sensing liquid 13, still be equipped with second piston plate 20 in the second seal chamber 28, second piston plate 20 one side is connected with second piston rod 21, second piston rod 21 one end is connected with butt plate 22 through buffer spring 23, can utilize temperature sensing liquid 13 in the second seal chamber 28 to absorb the heat on the second heat conduction silica gel pad 7 to make temperature sensing liquid 13 expand and extrude second piston plate 20 and remove, make second piston rod 21 promote butt plate 22 and contact switch 24 butt, make driving motor 12 circular telegram carry out work.

The inside fixed frame 25 that is equipped with of base 1, be equipped with contact switch 24 on the fixed frame 25, contact switch 24 is connected with driving motor 12, contact switch 24 is located butt joint board 22 under, can utilize second piston rod 21 to extend promotion butt joint board 22 and contact switch 24 to make driving motor 12 circular telegram carry out the heat dissipation work.

The utility model discloses a theory of operation: when the power supply main body 5 works, heat is generated inside the outer shell 2, the temperature-sensitive liquid 13 in the first sealing cavity 19 and the second sealing cavity 28 respectively absorbs heat on the first heat-conducting silica gel pad 6 and the second heat-conducting silica gel pad 7, the temperature-sensitive liquid 13 in the first sealing cavity 19 expands and extrudes the first piston plate 14 to move after receiving the heat on the first heat-conducting silica gel pad 6, so that the first piston rod 15 is pushed to move, the rubber sealing block 16 is pushed to the bottom end inside the groove 18, the L-shaped through hole 17 is communicated with the inside of the groove 18, and air flow in the outer shell 2 can be conveniently discharged through the L-shaped through hole 17; meanwhile, the temperature-sensitive liquid 13 in the second sealed cavity 28 absorbs the heat on the second heat-conducting silica gel pad 7, so that the temperature-sensitive liquid 13 expands and extrudes the second piston plate 20 to move, the second piston rod 21 pushes the abutting plate 22 to abut against the contact switch 24, the driving motor 12 is powered on to work, the driving bevel gear 26 is driven to rotate by the work of the driving motor 12, so that the driving bevel gear 26 is meshed with the two sets of driven bevel gears 27 to rotate, so that the two sets of rotating rods 10 rotate and drive the two sets of induced fan blades 11 to perform induced air work, the induced air flow is filtered by the activated carbon filter screen 9 and then sent into the outer shell 2 to dissipate heat, and the heat generated by heat dissipation is discharged through the L-shaped through hole 17, thereby ensuring good heat dissipation effect, the heat flow is provided with a plurality of heat dissipation fins 3, the heat dissipation fins 3 can be used for daily work, and the heat dissipation fins 3 are obliquely arranged on one side of the L-shaped through hole 17, when the heat dissipation can be utilized, the air discharged from the L-shaped through hole 17 is blown to the heat dissipation fin 3, the flow of hot air on the heat dissipation fin 3 can be accelerated, the heat dissipation effect is improved, and meanwhile, the dust on the heat dissipation fin 3 can be blown off by utilizing the discharged air, so that the heat dissipation fin is convenient to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent exporting short circuit power supply unit, its characterized in that, includes base (1), shell body (2), top cap (4) and power main body (5), shell body (2) are located between base (1) and top cap (4), power main body (5) are located inside shell body (2), all install first heat conduction silica gel pad (6) on power main body (5) both sides wall, install the telescopic machanism on first heat conduction silica gel pad (6), base (1) inside is equipped with driving motor (12), the output shaft of driving motor (12) is connected with drive bevel gear (26), drive bevel gear (26) both sides all mesh and are connected with driven bevel gear (27), base (1) internal rotation installs two sets of dwang (10), two sets of dwang (10) one end respectively with two sets of driven bevel gear (27) fixed connection, two sets of dwang (10) other end fixedly connected with induced air flabellum (11), air inlet mesh (8) have all been seted up on base (1) both sides wall, the inside one side that is close to air inlet mesh (8) of base (1) is equipped with activated carbon filter screen (9), base (1) and shell body (2) are inside to pass through the through-hole intercommunication.

2. The output short-circuit prevention power supply device according to claim 1, characterized in that: telescopic machanism includes first seal chamber (19), temperature sensing liquid (13), first piston board (14) and first piston rod (15), install on first heat conduction silica gel pad (6) first seal chamber (19), temperature sensing liquid (13) are filled in first seal chamber (19), first piston board (14) are located first seal chamber (19), first piston rod (15) one end is connected with a first piston board (14) side fixed surface, rubber seal block (16) are installed to first piston rod (15) other end.

3. The output short-circuit prevention power supply device according to claim 2, characterized in that: offer recess (18) that match with rubber seal block (16) on shell body (2) inner wall, L shape through-hole (17) have been seted up on shell body (2), L shape through-hole (17) and recess (18) inside intercommunication, rubber seal block (16) are located recess (18), and rubber seal block (16) are sealed to L shape through-hole (17) one end.

4. The output short-circuit prevention power supply device according to claim 1, characterized in that: install fin (3) on shell body (2) lateral wall, fin (3) are the slope setting, and fin (3) are equipped with the multiunit, multiunit fin (3) are arranged and are set up on shell body (2), and fin (3) are located L shape through-hole (17) one side.

5. The output short-circuit prevention power supply device according to claim 1, characterized in that: the power supply comprises a power supply body (5), and is characterized in that a second heat-conducting silica gel pad (7) is arranged at the bottom end of the power supply body (5), a second sealing cavity (28) is arranged on the lower surface of the second heat-conducting silica gel pad (7), the second sealing cavity (28) extends to the interior of the base (1), temperature-sensing liquid (13) is filled in the second sealing cavity (28), a second piston plate (20) is further arranged in the second sealing cavity (28), a second piston rod (21) is connected to one side of the second piston plate (20), and one end of the second piston rod (21) is connected with a butt plate (22) through a buffer spring (23).

6. The output short-circuit prevention power supply device according to claim 1, characterized in that: the base (1) is inside to be equipped with fixed frame (25), be equipped with contact switch (24) on fixed frame (25), contact switch (24) are connected with driving motor (12), contact switch (24) are located butt joint board (22) under.