CN115064345B

CN115064345B - Insulating variable frequency switching power supply transformer with over-temperature protection function

Info

Publication number: CN115064345B
Application number: CN202210601869.6A
Authority: CN
Inventors: 李红涛; 刘盼兴; 纪吉林
Original assignee: Maanshan Haoyuan Electronics Co ltd
Current assignee: Maanshan Haoyuan Electronics Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2023-08-01
Anticipated expiration: 2042-05-30
Also published as: CN115064345A

Abstract

The invention discloses an insulating variable frequency switching power supply transformer with an over-temperature protection function, which comprises a device body and a label fixedly arranged on the side wall of the device body, wherein a plurality of radiating holes are also formed in the side wall of the two sides of the device body and are uniformly arranged in the horizontal direction, a fixing frame is fixedly arranged on the lower wall of the device body, a transverse rod is transversely arranged in the fixing frame, two ends of the transverse rod are connected with the fixing frame through elastic components, and a plurality of fixing cavities are embedded in the lower wall of the device body; the invention relates to the technical field of switching power supply transformers; this insulating variable frequency switching power supply transformer with overtemperature protection function has realized when the internal temperature of ware is too high, and the device can be automatic dispel rapidly the heat, and simultaneously when the ware body normally works, the upper end of diaphragm is in the state of keeping apart with the external world, prevents that external aqueous vapor etc. from contacting each other with the ware body from mount department, has guaranteed the operational environment of ware body safety.

Description

Insulating variable frequency switching power supply transformer with over-temperature protection function

Technical Field

The invention relates to the technical field of switching power supply transformers, in particular to an insulating variable frequency switching power supply transformer with an over-temperature protection function.

Background

The switching power supply transformer is a power supply transformer added with a switching tube, and has the functions of insulation and isolation and power transmission besides the voltage conversion function of a common transformer in a circuit, and is generally used in occasions involving high-frequency circuits, such as a switching power supply. The frequency conversion technology is a conversion technology for converting direct current into alternating current with different frequencies. The alternating current can be converted into direct current and then inverted into alternating current with different frequencies, or the direct current can be converted into alternating current and then converted into direct current. In the prior art, the switching power supply transformer and the frequency conversion technology are skillfully combined, so that the functions and the practicability of the switching power supply transformer are greatly enhanced.

When the existing switching power supply transformer is used, the transformer body is often directly placed on a table top and other objects, and the transformer is easy to be affected with damp or damaged; meanwhile, when the operating power of the switching power supply transformer is higher, a large amount of heat can be generated, if the heat is not timely discharged, the normal use of the transformer can be influenced, and even safety accidents occur.

Therefore, the invention provides an insulating variable frequency switching power supply transformer with an over-temperature protection function, so as to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an insulating variable frequency switching power supply transformer with an over-temperature protection function, which solves the problems.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an insulating variable frequency switching power supply transformer with overtemperature protection function, includes the ware body and fixedly sets up the sign on the ware body lateral wall, still set up a plurality of louvres on the both sides lateral wall of ware body, a plurality of louvres evenly set up on the horizontal direction, the fixed mount that is equipped with of lower wall of the ware body, transversely be equipped with the horizontal pole in the mount, the both ends of horizontal pole are connected with the mount through elastic component, the lower wall of the ware body inlays and is equipped with a plurality of fixed chambeies, the lower extreme in fixed chamber is the opening form setting, fixed intracavity lateral sliding is equipped with the closing plate, sealed being equipped with inflation gas between the upper wall of closing plate and fixed chamber, fixed being equipped with the connecting rod on the lower wall of closing plate, the cover is equipped with the dwang on the horizontal pole, connecting rod and dwang fixed connection, all rotate on the lower extreme both sides lateral wall of dwang and be equipped with the connecting rod, the horizontal fixed in the mount is equipped with the horizontal board, the horizontal board sets up in the below of horizontal pole, horizontal board upper wall department is equipped with the spout, slide in the spout is equipped with the slider, the upper wall of the slider is inlayed and is equipped with a plurality of fixed chambering, the vent is equipped with the vent, the vent between the pivot and the corresponding side wall on the side wall of the side wall.

The invention further defines the technical scheme that:

preferably, the elastic component comprises sliding cavities arranged in the side walls of the two sides of the fixing frame, sliding blocks are arranged in the sliding cavities in a sliding mode, and springs are fixedly arranged between the sliding blocks and the bottom wall of the sliding cavities.

Preferably, a limiting block is fixedly arranged on the side wall of the opening at the lower end of the fixing cavity, and the limiting block and the sealing plate are correspondingly arranged.

Preferably, the limiting component comprises a movable groove arranged in the transverse plate, a movable block is slidably arranged in the movable groove, and a connecting block is fixedly arranged between the movable block and the sliding block.

Preferably, the expanding gas is nitrogen.

Preferably, the sealing plate, the connecting rod and the rotating block are connected in an integrated mode, and the thickness of the sealing plate is 5 MM.

Preferably, the radiating holes are arranged in a strip shape, and dustproof nets are arranged at the radiating holes.

Preferably, the cross-sectional area of the movable block is twice that of the connecting block.

Advantageous effects

The invention provides an insulating variable frequency switching power supply transformer with an over-temperature protection function. Compared with the prior art, the method has the following beneficial effects:

(1) The insulating variable frequency switching power supply transformer with the over-temperature protection function has the advantages that the device body, the fixing frame and the air outlet are matched with each other, so that the device body is supported by the fixing frame when the power supply transformer is used, the device body is not in direct contact with objects such as a tabletop and the like, the device body is prevented from being damaged due to damp and the like, and the safe working environment of the device body is ensured.

(2) This insulating variable frequency switching power supply transformer with overtemperature protect function through the mutually supporting of structures such as fixed chamber, inflation gas and elastic component for when the condition such as ware body running power takes place that operating temperature risees rapidly, the louvre is difficult to dispel rapidly the heat in the ware body, temperature transfer in the ware body this moment is given inflation gas to the heat-conducting piece, inflation gas is heated and is expanded, thereby promote the closing plate and move down in fixed chamber, simultaneously make two connecting rods rotate on the rotor, make contained angle between two connecting rods increase, promote the slider to slide in the spout simultaneously, slide the slider off the top of heat dissipation through-hole, make the heat that passes through inflation gas transfer follow heat dissipation through-hole and dispel the outside afterwards, make when the internal temperature of ware excessively high, the device can dispel the heat rapidly voluntarily, simultaneously when the ware body normally works, the upper end of diaphragm is in the state of keeping apart with the outside, prevent that external aqueous vapor and the like from contacting each other with the ware body from the mount, the operational environment of ware body safety has been guaranteed.

Drawings

Fig. 1 is a schematic side structural diagram of an insulated variable frequency switching power supply transformer with an over-temperature protection function according to the present invention;

fig. 2 is a schematic diagram of a front structure of a cross bar in an insulated variable frequency switching power supply transformer with an over-temperature protection function according to the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic view of the structure at B in FIG. 1;

1, a device body; 2. a sign plate; 3. a heat radiation hole; 4. a fixing frame; 5. a cross bar; 6. a fixed cavity; 7. a temperature guiding sheet; 8. a sealing plate; 9. a limiting block; 10. expanding the gas; 11. a connecting rod; 12. a rotating block; 13. a connecting rod; 14. a chute; 15. a slide block; 16. a cross plate; 17. a heat dissipation through hole; 18. an air outlet hole; 19. a movable groove; 20. a movable block; 21. a connecting block; 22. a sliding chamber; 23. a sliding block; 24. and (3) a spring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

referring to fig. 1-4, an insulation variable frequency switch power supply transformer with over-temperature protection function comprises a body 1 and a label 2 fixedly arranged on the side wall of the body 1, wherein a plurality of heat dissipation holes 3 are also formed on the side walls of the two sides of the body 1, the heat dissipation holes 3 are uniformly arranged in the horizontal direction, the heat dissipation holes 3 are in strip-shaped arrangement, dust-proof nets are arranged at the positions of the heat dissipation holes 3 to prevent external dust and other impurities from entering the body 1 through the heat dissipation holes 3, a fixing frame 4 is fixedly arranged on the lower wall of the body 1, a cross rod 5 is transversely arranged in the fixing frame 4, two ends of the cross rod 5 are connected with the fixing frame 4 through elastic components, a plurality of fixing cavities 6 are embedded in the lower wall of the body 1, the lower ends of the fixing cavities 6 are in open arrangement, sealing plates 8 are transversely arranged in the fixing cavities 6 in a sliding manner, limiting blocks 9 are fixedly arranged on the side walls of the openings at the lower ends of the fixing cavities 6, the limiting block 9 and the sealing plate 8 are correspondingly arranged to prevent the sealing plate 8 from sliding out of the fixed cavity 6 when sliding, ensure the stability of connection between device structures, ensure the stability between the device structures by sealing the sealing plate 8 and the upper wall of the fixed cavity 6, ensure the sealing plate 8 to be inclined when the sealing plate 8 slides due to the fact that the nitrogen is inert gas while the temperature in the device body 1 is well reacted, ensure the property of the sealing plate 8 and effectively prevent safety accidents, the connecting rod 11 is fixedly arranged on the lower wall of the sealing plate 8, the rotating block 12 is sleeved on the cross rod 5, the connecting rod 11 is fixedly connected with the rotating block 12, the sealing plate 8, the connecting rod 11 and the rotating block 12 are integrally connected, the thickness of the sealing plate 8 is 5MM, ensure the stability between the device structures, simultaneously prevent the sealing plate 8 from inclining when sliding, ensure the tightness between the sealing plate 8 and the fixed cavity 6, the connecting rod 13 is arranged on the side walls of the two sides of the lower end of the rotating block 12 in a rotating way, the transverse plate 16 is fixedly arranged in the fixing frame 4, the transverse plate 16 is arranged below the transverse rod 5, the sliding groove 14 is arranged at the upper wall of the transverse plate 16, the sliding block 15 is arranged in the sliding way 14, the rotating shaft is arranged on the upper wall of the sliding block 15 in a rotating way, the rotating shaft is connected with the tail end of the connecting rod 13 in a rotating way, the heat dissipation through hole 17 is further formed in the bottom wall of the sliding groove 14, the heat dissipation through hole 17 and the sliding block 15 are correspondingly arranged, the limiting component is arranged between the sliding block 15 and the transverse plate 16, the plurality of air outlet holes 18 are further formed in the side wall of the lower end of the fixing frame 4, the air outlet holes 18 are respectively arranged below the transverse plate 16, and the fixing frame 4 supports the device body 1 through the mutual matching of the structures of the device body 1, the air outlet holes 18 and the like, so that the device body 1 is not in direct contact with objects such as a table top and the like when the device body 1 is used, the safe working environment of the device body 1 is prevented from being damaged due to damp.

Embodiment two:

referring to fig. 1-4, the present embodiment provides a technical solution based on the first embodiment: the elastic component comprises a sliding cavity 22 arranged in the side walls at two sides of the fixed frame 4, a sliding block 23 is arranged in the sliding cavity 22 in a sliding way, a spring 24 is fixedly arranged between the sliding block 23 and the bottom wall of the sliding cavity 22, the limiting component comprises a movable groove 19 arranged in the transverse plate 16, a movable block 20 is arranged in the sliding way in the movable groove 19, a connecting block 21 is fixedly arranged between the movable block 20 and the sliding block 15, the cross section area of the movable block 20 is twice as large as that of the connecting block 21, the sliding block 15 is effectively limited, the sliding block 15 is prevented from being obliquely lifted, when the working temperature is rapidly increased under the conditions of overlarge running power of the device body 1, and the like, the heat in the device body 1 is difficult to be rapidly dissipated through the mutual matching of the structures of the fixed cavity 6, the expansion gas 10, the elastic component and the like, at this time, the temperature in the device body 1 is transferred to the expansion gas 10 by the temperature-guiding sheet 7, the expansion gas 10 is heated and expanded, thereby pushing the sealing plate 8 to move downwards in the fixed cavity 6, simultaneously enabling the two connecting rods 13 to rotate on the rotating block 12, enabling the included angle between the two connecting rods 13 to be increased, simultaneously pushing the sliding block 15 to slide in the sliding groove 14, sliding the sliding block 15 above the heat-dissipating through hole 17, enabling the heat transferred by the expansion gas 10 to be dissipated from the heat-dissipating through hole 17, and then being dissipated to the outside from the air outlet hole 18, so that when the temperature in the device body 1 is too high, the device can automatically and rapidly dissipate the heat, meanwhile, when the device body 1 works normally, the upper end of the transverse plate 16 is in an isolated state with the outside, and external moisture and the like are prevented from contacting with the device body 1 from the fixing frame 4, and the safe working environment of the device body 1 is ensured.

And all that is not described in detail in this specification is well known to those skilled in the art.

When the device is used, when working temperature is rapidly increased under the conditions of overlarge running power of the device body 1 and the like, the heat dissipation holes 3 are difficult to rapidly dissipate heat in the device body 1, at the moment, the temperature in the device body 1 is transferred to the expansion gas 10 by the heat conduction sheet 7, the expansion gas 10 is heated and expanded, thereby pushing the sealing plate 8 to move downwards in the fixed cavity 6, further pushing the cross rod 5 to move downwards, when the cross rod 5 moves downwards, the springs 24 are compressed, simultaneously enabling the two connecting rods 13 to rotate on the rotating block 12, enabling the included angle between the two connecting rods 13 to be increased, simultaneously pushing the sliding block 15 to slide in the sliding groove 14, enabling the sliding block 15 to slide away from the upper portion of the heat dissipation through hole 17, enabling heat transferred by the expansion gas 10 to be dissipated from the heat dissipation through hole 17, and then dissipating heat from the air outlet hole 18 to the outside.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an insulating variable frequency switching power supply transformer with overtemperature protection function, includes ware body (1) and fixed sign (2) that set up on ware body (1) lateral wall, a plurality of louvres (3) have still been seted up on the both sides lateral wall of ware body (1), a plurality of louvres (3) evenly set up its characterized in that in the horizontal direction: the utility model discloses a heat dissipation device, including a fixing frame (4) and a rotating block (12) and a sliding block (14) and is characterized in that the fixing frame (4) is fixedly arranged on the lower wall of the device body (1), the transverse rod (5) is transversely arranged in the fixing frame (4), two ends of the transverse rod (5) are connected with the fixing frame (4) through elastic components, a plurality of fixing cavities (6) are embedded in the lower wall of the device body (1), the lower ends of the fixing cavities (6) are arranged in an opening mode, a sealing plate (8) is transversely arranged in the fixing cavities (6) in a sliding mode, an expansion gas (10) is hermetically arranged between the sealing plate (8) and the upper wall of the fixing cavities (6), a connecting rod (11) is fixedly arranged on the lower wall of the sealing plate (8), a rotating block (12) is sleeved on the transverse rod (5), connecting rods (13) are respectively and rotatably arranged on two side walls of the lower ends of the rotating block (12), a transverse plate (16) is transversely fixedly arranged in the fixing frame (4), a transverse plate (16) is arranged below the transverse rod (5), a sliding chute (14) is arranged on the upper wall of the transverse plate (16), a sliding chute (14) is arranged on the lower wall, a rotating shaft (15) is further arranged on the sliding block (15), a rotating shaft (15) is arranged on the sliding block, and the rotating block (15), the heat dissipation through hole (17) and the sliding block (15) are correspondingly arranged, a limiting component is arranged between the sliding block (15) and the transverse plate (16), a plurality of air outlet holes (18) are further formed in the side wall of the lower end of the fixing frame (4), and the air outlet holes (18) are all arranged below the transverse plate (16).

2. An insulated variable frequency switching power supply transformer with over-temperature protection function according to claim 1, characterized in that: the elastic component includes sliding chamber (22) of setting in mount (4) both sides lateral wall, sliding block (23) are equipped with in the slip in sliding chamber (22), fixed spring (24) that are equipped with between the diapire in sliding block (23) and sliding chamber (22).

3. An insulated variable frequency switching power supply transformer with over-temperature protection function according to claim 1, characterized in that: a limiting block (9) is fixedly arranged on the side wall of the opening at the lower end of the fixed cavity (6), and the limiting block (9) and the sealing plate (8) are correspondingly arranged.

4. An insulated variable frequency switching power supply transformer with over-temperature protection function according to claim 1, characterized in that: the limiting assembly comprises a movable groove (19) arranged in the transverse plate (16), a movable block (20) is arranged in the movable groove (19) in a sliding mode, and a connecting block (21) is fixedly arranged between the movable block (20) and the sliding block (15).

5. An insulated variable frequency switching power supply transformer with over-temperature protection function according to claim 1, characterized in that: the expansion gas (10) is nitrogen.

6. An insulated variable frequency switching power supply transformer with over-temperature protection function according to claim 1, characterized in that: the sealing plate (8), the connecting rod (11) and the rotating block (12) are connected in an integrated mode, and the thickness of the sealing plate (8) is 5 MM.

7. An insulated variable frequency switching power supply transformer with over-temperature protection function according to claim 1, characterized in that: the radiating holes (3) are arranged in a strip shape, and dustproof nets are arranged at the radiating holes (3).

8. The insulated variable frequency switching power supply transformer with over-temperature protection function according to claim 4, wherein: the cross-sectional area of the movable block (20) is twice that of the connecting block (21).