CN216218369U - Switching power supply control chip with protection function - Google Patents
Switching power supply control chip with protection function Download PDFInfo
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- CN216218369U CN216218369U CN202122398772.3U CN202122398772U CN216218369U CN 216218369 U CN216218369 U CN 216218369U CN 202122398772 U CN202122398772 U CN 202122398772U CN 216218369 U CN216218369 U CN 216218369U
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- control chip
- power supply
- switching power
- supply control
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Abstract
The utility model relates to a switch power supply control chip with protection function, comprising: a control chip; the control chip is arranged in the safety protection device so as to realize the protection of the control chip; wherein, safety device includes: the clamping device comprises an upper shell, a lower shell, an elastic piece and a clamping assembly, wherein the upper shell is detachably arranged on the lower shell, and an accommodating cavity for installing a control chip is formed between the lower shell and the upper shell; the elastic piece is arranged in the accommodating cavity and is positioned at the bottom of the lower shell, and a pressing plate is arranged at the top end of the elastic piece; the clamping assembly is arranged on the pressing plate and used for clamping and fixing the control chip. The fan blade is driven to rotate by the motor, so that air is blown to the outer surface of the chip, the temperature of the control chip is reduced, and the cooling effect is achieved.
Description
Technical Field
The utility model relates to the technical field of switching power supplies, in particular to a switching power supply control chip with a protection function.
Background
The switching power supply is used for conversion from ac to dc or dc to dc and mainly comprises the following circuit parts: the device comprises an electromagnetic interference filter circuit, a rectification filter circuit, a power conversion circuit, a pulse width modulation control circuit, an output rectification filter circuit and the like, wherein the PWM control circuit is mainly realized by a PWM control chip.
However, the chip safety protection device in the prior art is complex in mounting and dismounting, complex in structure and high in manufacturing cost, and the chip safety protection device is poor in dust prevention, impact resistance, shock absorption and heat dissipation effects, so that the service life of the chip is shortened, and even the chip is directly damaged.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem or at least partially solve the technical problem, the application provides a switching power supply control chip with a protection function, and aims to solve the problems that a chip safety protection device is complex to mount and dismount and high in manufacturing cost, and the chip safety protection device is dustproof, impact-resistant and shock-absorbing.
The application provides a switching power supply control chip with safeguard function includes:
a control chip;
the control chip is arranged in the safety protection device so as to realize protection on the control chip;
wherein the safety shield apparatus comprises: an upper shell, a lower shell, an elastic piece and a clamping component,
the upper shell is detachably mounted on the lower shell, and a containing cavity for mounting the control chip is formed between the lower shell and the upper shell;
the elastic piece is arranged in the accommodating cavity and is positioned at the bottom of the lower shell, and a pressing plate is arranged at the top end of the elastic piece;
the clamping assembly is arranged on the pressing plate and used for clamping and fixing the control chip.
Preferably, the chucking assembly includes: a first clamping plate, a second clamping plate, a fixed column and an adjusting column,
the outer peripheral side of the pressure plate is provided with a limiting strip;
one end of the adjusting column is connected with the limiting strip positioned on one side edge of the pressing plate, and the other end of the adjusting column is connected with the first clamping plate;
the fixed column is positioned on the opposite side of the adjusting column, one end of the fixed column is fixedly connected to the limiting strip, and the other end of the fixed column is fixedly connected with the second clamping plate;
first splint with be formed with between the second splint and be used for the installation control chip's installation position, through adjust the post regulation first splint stretch to the position of second splint, it is right to realize the size of installation position is adjusted.
Preferably, the adjustment post comprises a first threaded post, a second threaded post and a threaded tube,
one end of the first threaded column is fixedly connected with the limiting strip, and the other end of the first threaded column is connected with one end of the threaded pipe;
one end of the second threaded column is fixedly connected with the first clamping plate, and the other end of the second threaded column is connected with the other end of the threaded pipe;
and a hexagonal prism used for adjusting the threaded pipe is arranged outside the threaded pipe.
Preferably, a rubber pad is arranged on one side, facing the second clamping plate, of the first clamping plate.
Preferably, the bottom of the upper shell is provided with a clamping plate extending downwards, and a bayonet used for being clamped with the top end of the lower shell is formed between the clamping plate and the bottom of the upper shell.
Preferably, the bottom of the lower shell is provided with a notch, the elastic part is arranged inside the notch, the length of the elastic part is greater than the depth of the notch, and the diameter of the elastic part is smaller than that of the notch.
Preferably, the top of epitheca be equipped with hold the communicating opening in chamber, the opening part is equipped with the dust screen.
Preferably, the inside of epitheca is equipped with the fixed plate, the fixed plate is located the below of dust screen, just be equipped with the motor on the fixed plate, the output of motor is equipped with the orientation the pivot of inferior valve, be connected with the flabellum in the pivot.
Preferably, the pressing plate is provided with a plurality of through holes for accelerating heat dissipation, and the through holes are uniformly distributed.
Preferably, one side of the lower shell is provided with a heat dissipation hole.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
(1) the clamping assembly is arranged on the pressing plate to clamp and fix the control chip, so that the control chip cannot fall off when the shell overturns, and the elastic piece has a good damping effect and can provide strong buffering force, so that the control chip in the accommodating cavity is protected;
(2) the input end of the motor is electrically connected with the output end of the external power supply to drive the rotating shaft to rotate, so that the fan blades connected with the rotating shaft are driven to rotate, the outer surface of the chip is blown, the temperature of the control chip is reduced, and the cooling effect is achieved; simultaneously at the through-hole and the louvre that one side of clamp plate and inferior valve was seted up respectively, can further accelerate effectively to hold the thermal divergence in the chamber, be favorable to control chip to cool down fast.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
In the drawings:
FIG. 1 is a schematic diagram of a switching power supply control chip with a protection function according to the present invention;
FIG. 2 is a schematic diagram of an upper case of a switching power supply control chip with a protection function according to the present invention;
FIG. 3 is an internal schematic diagram of a switching power supply control chip with a protection function according to the present invention;
FIG. 4 is a schematic diagram of a pressing plate and a clamping assembly in the switching power supply control chip with the protection function according to the present invention;
FIG. 5 is a schematic diagram of a lower case of a switching power supply control chip with a protection function according to the present invention;
reference numerals: 1. a lower case; 2. a screw hole; 3. heat dissipation holes; 4. a mounting member; 5. an upper shell; 6. a dust screen; 7. clamping a plate; 8. a motor; 9. a fan blade; 10. a fixing plate; 11. pressing a plate; 12. an elastic member; 13. a through hole; 14. a rotating shaft; 15. a limiting strip; 16. a first threaded post; 17. a first splint; 18. a threaded pipe; 19. a hexagonal prism; 20. fixing a column; 21. a second splint; 22. a rubber pad; 23. a second threaded post; 24. a notch;
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the utility model. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
As shown in fig. 1 to fig. 5, in the embodiment of the switching power supply control chip with protection function of the present invention, it includes: the control chip is installed in the safety protection device so as to realize protection of the control chip;
specifically, the safety shield apparatus includes: the control device comprises an upper shell 5, a lower shell 1, an elastic part 12 and a clamping assembly, wherein the upper shell 5 is detachably arranged on the lower shell 1, and an accommodating cavity for installing a control chip is formed between the lower shell 1 and the upper shell 5; the elastic part 12 is arranged in the accommodating cavity and is positioned at the bottom of the lower shell 1, and the top end of the elastic part 12 is provided with a pressing plate 11; the clamping assembly is arranged on the pressing plate 11 and used for clamping and fixing the control chip.
Combine the structure of above-mentioned description to know, the chamber that holds that forms between upper casing 5 and inferior valve 1 sets up elastic component 12 to set up clamp plate 11 on the top of elastic component 12, come control chip to carry out the chucking through setting up the chucking subassembly on clamp plate 11 and fix, make can when the shell overturns, control chip can not appear dropping, in addition elastic component 12 itself has good shock attenuation effect, can provide powerful cushion effect, thereby play the effect of protection to the control chip who holds the intracavity. In this embodiment, the elastic member 12 is a spring, one end of the spring is connected to the bottom of the lower case 1, and the other end of the spring is connected to the pressure plate 11.
In one embodiment, the clamping assembly comprises: the device comprises a first clamping plate 17, a second clamping plate 21, a fixing column 20 and an adjusting column, wherein a limiting strip 15 is arranged on the outer peripheral side of a pressing plate 11; one end of the adjusting column is connected with a limiting strip 15 positioned on one side of the pressing plate 11, and the other end of the adjusting column is connected with a first clamping plate 17; the fixed column 20 is positioned at the opposite side of the adjusting column, one end of the fixed column 20 is fixedly connected to the limiting strip 15, and the other end of the fixed column 20 is fixedly connected with the second clamping plate 21; be formed with the installation position that is used for installing control chip between first splint 17 and the second splint 21, adjust the position that first splint 17 stretches to second splint 21 through adjusting the post to the realization is adjusted the size of installation position.
It should be noted that, first splint 17 and second splint 21 are connected in the both sides of spacing 15 through adjusting post and fixed column 20 respectively, make to be formed with the installation position that is used for installing control chip between them, when needs install control chip, adjust first splint 17 through adjusting the post and move towards the direction of keeping away from second splint 21, make control chip can put into the installation position, later move towards the position of second splint 21 through adjusting the first splint 17 of post control again, thereby under the combined action of first splint 17 and second splint 21, realize the clamp tight to control chip, moreover, the steam generator is simple in structure, and convenient for operation, can realize fixing control chip of different sizes.
In one embodiment, the adjusting column comprises a first threaded column 16, a second threaded column 23 and a threaded pipe 18, one end of the first threaded column 16 is fixedly connected with the limiting strip 15, and the other end of the first threaded column is connected with one end of the threaded pipe 18; one end of the second threaded column 23 is fixedly connected with the first clamping plate 17, and the other end is connected with the other end of the threaded pipe 18; the outside of the threaded pipe 18 is provided with a hexagonal prism 19 for adjusting the threaded pipe 18.
It should be noted that, because the adjusting columns are respectively in threaded connection with the first threaded column 16 and the second threaded column 23 at two ends of the threaded pipe 18, when the size of the installation position is adjusted, only the hexagonal prism 19 on the outer wall of the threaded pipe 18 needs to be screwed, so that the threaded pipe 18 moves relative to the first threaded column 16 or the second threaded column 23, and then the first clamping plate 17 is driven to move towards the second clamping plate 21, thereby adjusting the size of the installation position, and realizing the fixation of control chips with different sizes.
In one embodiment, a rubber pad 22 is provided on a side of the first clamping plate 17 facing the second clamping plate 21. The rubber pad 22 can effectively protect the control chip, and prevent the control chip from being scratched when being clamped, so that the service life of the control chip is prevented from being influenced.
In one embodiment, the bottom of the upper case 5 is provided with a clamping plate 7 extending downwards, a bayonet used for being clamped with the top end of the lower case 1 is formed between the clamping plate 7 and the bottom of the upper case 5, and screw holes 2 matched with each other are arranged on the side edges of the clamping plate 7 and the lower case 1.
It should be noted that, through stretching into cardboard 7 and 5 bottom bayonet socket departments that form with the top of inferior valve 1, later pass the screw hole 2 of cardboard 7 and 1 side of inferior valve respectively through the screw again to make epitheca 5 and inferior valve 1 carry out fixed connection, when needs are dismantled, only need take off the screw, alright realize epitheca 5 and inferior valve 1's separation, simple structure, convenient operation.
In one embodiment, the bottom of the lower case 1 is provided with a notch 24, the elastic member 12 is disposed inside the notch 24, the length of the elastic member 12 is greater than the depth of the notch 24, and the diameter of the elastic member 12 is smaller than the diameter of the notch 24.
In one embodiment, an opening communicating with the accommodating cavity is formed at the top of the upper shell 5, and a dust screen 6 is arranged at the opening. It should be noted that the opening arranged at the top of the upper shell 5 and used for accommodating the cavity can accelerate the heat dissipation generated in the working process of the control chip, and the dust screen 6 can prevent external impurities from entering the accommodating cavity and affecting the normal use of the control chip.
In one embodiment, a fixing plate 10 is disposed inside the upper case 5, the fixing plate 10 is located below the dust screen 6, a motor 8 is disposed on the fixing plate 10, a rotating shaft 14 facing the lower case 1 is disposed at an output end of the motor 8, fan blades 9 are connected to the rotating shaft 14, a plurality of through holes 13 for accelerating heat dissipation are disposed on the pressing plate 11, the through holes 13 are uniformly distributed, and heat dissipation holes 3 are disposed on one side of the lower case 1.
In one embodiment, the mounting pieces 4 are arranged on one side of the upper shell 5 and one side of the lower shell 1, and the safety protection device is fixed by matching the mounting pieces 4 through bolts.
It should be noted that the input end of the motor 8 is electrically connected with the output end of the external power supply, so that the motor 8 rotates to drive the rotating shaft 14 connected with the output end of the motor 8 to rotate, and the fan blades 9 connected to the rotating shaft 14 are driven to rotate rapidly, thereby blowing air to the outer surface of the chip, reducing the temperature of the control chip, and cooling; simultaneously at through-hole 13 and louvre 3 that one side of clamp plate 11 and inferior valve 1 was seted up respectively, can further accelerate effectively to hold the thermal divergence in the chamber, be favorable to control chip to cool down fast.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a switching power supply control chip with safeguard function which characterized in that includes:
a control chip;
the control chip is arranged in the safety protection device so as to realize protection on the control chip;
wherein the safety shield apparatus comprises: an upper shell, a lower shell, an elastic piece and a clamping component,
the upper shell is detachably mounted on the lower shell, and a containing cavity for mounting the control chip is formed between the lower shell and the upper shell;
the elastic piece is arranged in the accommodating cavity and is positioned at the bottom of the lower shell, and a pressing plate is arranged at the top end of the elastic piece;
the clamping assembly is arranged on the pressing plate and used for clamping and fixing the control chip.
2. The switching power supply control chip with protection function according to claim 1, wherein the clamping assembly comprises: a first clamping plate, a second clamping plate, a fixed column and an adjusting column,
the outer peripheral side of the pressure plate is provided with a limiting strip;
one end of the adjusting column is connected with the limiting strip positioned on one side edge of the pressing plate, and the other end of the adjusting column is connected with the first clamping plate;
the fixed column is positioned on the opposite side of the adjusting column, one end of the fixed column is fixedly connected to the limiting strip, and the other end of the fixed column is fixedly connected with the second clamping plate;
first splint with be formed with between the second splint and be used for the installation control chip's installation position, through adjust the post regulation first splint stretch to the position of second splint, it is right to realize the size of installation position is adjusted.
3. The switching power supply control chip with protection function according to claim 2, wherein the adjusting column comprises a first threaded column, a second threaded column and a threaded pipe,
one end of the first threaded column is fixedly connected with the limiting strip, and the other end of the first threaded column is connected with one end of the threaded pipe;
one end of the second threaded column is fixedly connected with the first clamping plate, and the other end of the second threaded column is connected with the other end of the threaded pipe;
and a hexagonal prism used for adjusting the threaded pipe is arranged outside the threaded pipe.
4. The switching power supply control chip with the protection function according to claim 3, wherein a rubber pad is disposed on a side of the first clamping plate facing the second clamping plate.
5. The switching power supply control chip with the protection function according to claim 1, wherein a clamping plate extending downwards is arranged at the bottom of the upper shell, and a bayonet for being clamped with the top end of the lower shell is formed between the clamping plate and the bottom of the upper shell.
6. The switching power supply control chip with the protection function according to claim 1, wherein a notch is formed in a bottom of the lower casing, the elastic member is disposed inside the notch, a length of the elastic member is greater than a depth of the notch, and a diameter of the elastic member is smaller than that of the notch.
7. The switching power supply control chip with the protection function according to claim 1, wherein an opening communicating with the accommodating cavity is formed at the top of the upper shell, and a dust screen is arranged at the opening.
8. The switching power supply control chip with protection function according to claim 7, wherein a fixing plate is disposed inside the upper casing, the fixing plate is located below the dust screen, a motor is disposed on the fixing plate, a rotating shaft facing the lower casing is disposed at an output end of the motor, and fan blades are connected to the rotating shaft.
9. The switching power supply control chip with the protection function according to claim 8, wherein the pressure plate is provided with a plurality of through holes for accelerating heat dissipation, and the through holes are uniformly distributed.
10. The switching power supply control chip with protection function according to claim 1, wherein a heat dissipation hole is formed at one side of the lower case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122398772.3U CN216218369U (en) | 2021-09-30 | 2021-09-30 | Switching power supply control chip with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122398772.3U CN216218369U (en) | 2021-09-30 | 2021-09-30 | Switching power supply control chip with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216218369U true CN216218369U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122398772.3U Active CN216218369U (en) | 2021-09-30 | 2021-09-30 | Switching power supply control chip with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216218369U (en) |
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2021
- 2021-09-30 CN CN202122398772.3U patent/CN216218369U/en active Active
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