CN219227411U

CN219227411U - Power supply chip adopting non-isolation structure

Info

Publication number: CN219227411U
Application number: CN202320021102.6U
Authority: CN
Inventors: 易双良
Original assignee: Shenzhen Dexinor Technology Co ltd
Current assignee: Shenzhen Dexinor Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-20
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a power chip adopting a non-isolation structure, which relates to the technical field of power chips and comprises a shell and a positioning component, wherein a chip body is arranged in the center of the inside of the shell, the top end of the shell is connected with a shell cover, through holes are formed in the left side and the right side of the shell, pins are arranged in the through holes, one end of each pin is fixedly provided with an end head, the positioning component for rapid positioning is arranged in the left side and the right side of the inside of the shell, and the positioning component comprises a fixed plate, a shifting block, a sliding rod, a positioning block and a positioning spring. This adopt non-isolation structure's power chip passes through positioning component's setting, when changing the pin of damage, only needs the pulling shifting block for the slide bar drives the locating piece and shifts up, in order to remove the restriction to the end, promotes the pin again this moment and just can dismantle the pin of damage, and after changing, the through-hole can be spacing to the end left side, and the locating spring can promote the locating piece simultaneously, in order to carry out spacingly to the right-hand member of end.

Description

Power supply chip adopting non-isolation structure

Technical Field

The utility model relates to the technical field of power chips, in particular to a power chip adopting a non-isolation structure.

Background

A power supply is a device that converts other forms of energy into electrical energy and provides the electrical energy to a circuit, and a non-isolated power supply is a device that is not electrically isolated between an input terminal and a load terminal by a transformer, but is directly connected to the input and load terminals, which are commonly grounded. The non-isolated power supply chip has the advantages of simpler circuit topology, low cost, extremely high efficiency, short-circuit protection, undervoltage protection and the like.

The utility model of application number CN202122458042.8 discloses a waterproof power IC chip. According to the utility model, the mounted power IC chip has a waterproof effect through the mounting pins, the mounting is not needed through welding, the mounting and dismounting are convenient, the power IC chip can be spliced together through the storage strip, the storage and the packaging are convenient, the dismounting is convenient, the unnecessary part can be dismounted and discarded, the storage space is saved, but the problem that the pins are inconvenient to replace rapidly when the pins are broken due to accidents in the taking and transferring of the power IC chip exists.

Accordingly, in view of the above, an improvement has been made in view of the conventional structure and defects, and a power chip employing a non-isolated structure has been provided.

Disclosure of Invention

The present utility model is directed to a power chip with non-isolated structure to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an adopt non-isolation structure's power chip, includes casing and locating component, the inside central authorities of casing are provided with the chip body, and the top of casing is connected with the cap, the through-hole has all been seted up to the left and right sides of casing, and the inside of through-hole is settled there is the pin, the one end of pin is fixed with the end for quick location locating component sets up in the inside left and right sides of casing, locating component includes fixed plate, shifting block, slide bar, locating piece and positioning spring, the top surface of fixed plate is provided with the shifting block, and the bottom mounting of shifting block has the slide bar, slide bar and fixed plate sliding connection, and the bottom of slide bar is connected with the locating piece, positioning spring has been cup jointed in the outside of slide bar.

Further, the through holes are distributed at equal intervals on the left side and the right side of the shell, and the size of the through holes is equal to the size of the section of the pins.

Further, the width of the end is larger than that of the through hole, and the end is electrically connected with the chip body.

Furthermore, the structure of the positioning block is L-shaped, and the positioning block is elastically connected with the positioning spring.

Further, the inside coupling assembling that is used for the quick connect that all is provided with in both ends about the cap, coupling assembling includes depression bar and fixture block, the inside all sliding connection in both ends has the depression bar about the casing, and the middle part outside of depression bar is fixed with the fixture block.

Further, coupling assembling still includes draw-in groove and reset spring, the draw-in groove has been seted up to the inboard upper end symmetry of casing, and draw-in groove and fixture block looks block, reset spring has been cup jointed in the one end outside of depression bar.

Further, radiating fins are fixed on the upper side and the lower side of the shell cover, and heat conducting plates are fixed between the radiating fins.

Furthermore, the bottom surface equidistance of casing has seted up the heat dissipation groove, and the bottom surface symmetry of casing is fixed with the reference column.

The utility model provides a power supply chip adopting a non-isolation structure, which has the following beneficial effects: this adopt non-isolation structure's power chip adopts the mutually supporting between a plurality of subassemblies, not only is convenient for change the pin of damage for it is more convenient when overhauing, and can also improve the holistic heat dispersion of power chip, also can strengthen the stability when power chip is fixed simultaneously.

1. According to the utility model, through the arrangement of the positioning assembly, when a damaged pin is replaced, only the shifting block is required to be pulled, so that the sliding rod drives the positioning block to move upwards to release the limitation of the end, the damaged pin can be detached by pushing the pin at the moment, after the replacement, the left side of the end can be limited by the through hole, meanwhile, the positioning spring can push the positioning block to limit the right end of the end, and the end can be tightly attached to the chip body, so that the pin is not required to be welded, and the replacement is more convenient;

2. according to the utility model, through the arrangement of the connecting component, when the shell is required to be opened to replace pins, the clamping blocks can be separated from the clamping grooves only by pressing the compression rods at the two ends, so that the shell and the shell cover can be disassembled without other tools, the efficiency in maintenance is improved, and in the installation process, the return spring can push the clamping blocks to be clamped with the clamping grooves, so that the shell and the shell cover can be quickly installed, and the convenience in use is improved;

3. according to the utility model, through the arrangement of the radiating fins, the heat in the shell can be conducted to the radiating fins and conducted to the radiating fins on the outer side through the heat conducting plate to radiate, so that the overall radiating performance of the power chip is improved, meanwhile, through the arrangement of the radiating grooves, the air flow can pass through the bottom surface of the shell, the radiating effect is further improved, and through the arrangement of the positioning posts, the positioning posts can be inserted into the positioning holes on the circuit board to limit the power chip, so that the power chip cannot deviate during welding, and the power chip is more stable.

Drawings

FIG. 1 is a schematic diagram of a front view of a power chip with non-isolated structure according to the present utility model;

FIG. 2 is a schematic perspective view of a positioning assembly of a power chip using a non-isolated structure according to the present utility model;

fig. 3 is a schematic top view of a power chip with non-isolated structure according to the present utility model.

In the figure: 1. a housing; 2. a chip body; 3. a cover; 4. a connection assembly; 401. a compression bar; 402. a clamping block; 403. a clamping groove; 404. a return spring; 5. a through hole; 6. pins; 7. an end head; 8. a positioning assembly; 801. a fixing plate; 802. a shifting block; 803. a slide bar; 804. a positioning block; 805. a positioning spring; 9. a heat radiation fin; 10. a heat conductive plate; 11. a heat sink; 12. and positioning columns.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in FIG. 1, a power chip adopting a non-isolation structure comprises a shell 1 and a positioning component 8, wherein the center of the inside of the shell 1 is provided with a chip body 2, the top end of the shell 1 is connected with a shell cover 3, the insides of the left and right ends of the shell cover 3 are respectively provided with a connecting component 4 used for quick connection, the connecting component 4 comprises a compression bar 401 and a clamping block 402, the insides of the left and right ends of the shell 1 are respectively and slidably connected with the compression bar 401, the outer side of the middle part of the compression bar 401 is fixedly provided with the clamping block 402, the connecting component 4 also comprises a clamping groove 403 and a return spring 404, the upper end of the inner side of the shell 1 is symmetrically provided with the clamping groove 403, the clamping groove 403 is clamped with the clamping block 402, when the shell 1 needs to be opened, the clamping block 402 can be separated from the clamping groove 403 only by pressing the compression bar 401 at the two ends, so that the shell 1 and the shell cover 3 can be disassembled without other tools, thereby being beneficial to improving the efficiency during maintenance, the outside of one end of the compression bar 401 is sleeved with a reset spring 404, when in installation, the reset spring 404 can push the clamping block 402 to be clamped with the clamping groove 403, so that the shell 1 and the shell cover 3 can be rapidly installed, the convenience in use is improved, the upper side and the lower side of the shell cover 3 are both fixed with the heat radiation fins 9, the heat conducting plate 10 is fixed between the heat radiation fins 9, the heat in the shell 1 can be conducted to the heat radiation fins 9 and conducted to the heat radiation fins 9 on the outside through the heat conducting plate 10 to radiate, the whole heat radiation performance of the power supply chip is improved, the heat radiation grooves 11 are formed in the bottom surface of the shell 1 at equal intervals, the positioning columns 12 are symmetrically fixed on the bottom surface of the shell 1, the air flow can pass through the bottom surface of the shell 1 through the heat radiation grooves 11, the heat radiation effect is further improved, and the setting of the positioning columns 12 is also realized, the positioning column 12 can be inserted into the positioning hole on the circuit board during welding so as to limit the power chip, so that the power chip cannot deviate, and is more stable.

As shown in fig. 2 and fig. 3, the through hole 5 is all offered in the left and right sides of casing 1, and the inside of through hole 5 is settled there is pin 6, the through hole 5 is the equidistance about the left and right sides of casing 1 and distributes, and the size of through hole 5 equals with the section size of pin 6, the one end of pin 6 is fixed with end 7, the width of end 7 is greater than the width of through hole 5, and end 7 and chip body 2 electric connection, through hole 5 can be spacing to end 7 left side, a locating component 8 for quick location sets up in the inside left and right sides of casing 1, locating component 8 includes fixed plate 801, shifting block 802, slide bar 803, locating piece 804 and positioning spring 805, the top surface of fixed plate 801 is provided with shifting block 802, and the bottom of shifting block 802 is fixed with the slide bar 803 and fixed plate 801 sliding connection, and the bottom of slide bar 803 is connected with locating piece 804, when changing damaged pin 6, only need to pull shifting block 802 for the locating piece 804 to reciprocate, in order to remove the restriction to end 7, the pin 6 just can be dismantled the slide bar 6 and damage the slide bar 6 and take off the end 805, and the positioning piece 805 need not to be welded with the other end 803, and the positioning spring 805 can be more convenient to take place, and the end 804 is connected with the positioning spring 805, and the side can be welded with the end 804.

In summary, when the power chip adopting the non-isolated structure is used, firstly according to the structures shown in fig. 1, 2 and 3, when the shell 1 needs to be opened to replace the pins 6, the clamping block 402 can be separated from the clamping groove 403 only by pressing the compression bars 401 at two ends, so that the shell 1 and the shell cover 3 can be disassembled without other tools, the maintenance efficiency is improved, then, when the damaged pins 6 are replaced, only the shifting block 802 is pulled, the sliding bar 803 drives the positioning block 804 to move upwards, so as to remove the limitation on the ends 7, at the moment, the damaged pins 6 can be removed by pushing the pins 6 again, after the replacement, the through holes 5 can limit the left sides of the ends 7, the positioning springs 805 can push the positioning block 804 to limit the right ends of the ends 7, and the ends 7 can be tightly attached to the chip body 2, so that the pins 6 are not required to be welded, the replacement is more convenient, then, when the shell cover 3 is reinstalled, the shell cover 3 can be pressed on the shell 1, then the reset spring 404 can push the clamping block 402 to be clamped with the clamping groove 403, thereby the shell 1 and the shell cover 3 can be rapidly installed, the convenience in use is improved, secondly, when the non-isolated power supply chip is welded on the circuit board, the positioning column 12 can be inserted into the positioning hole on the circuit board to limit the power supply chip, so that the power supply chip cannot deviate during welding, and is more stable, finally, when the power supply chip works normally, the heat inside the shell 1 can be conducted onto the heat dissipation fins 9, and the heat is conducted onto the heat dissipation fins 9 on the outer side through the heat conducting plate 10, the whole heat dissipation performance of the power supply chip is favorably improved, and meanwhile, through the arrangement of the heat dissipation groove 11, so that the air flow can pass through the bottom surface of the shell 1, and the effect of heat dissipation is further improved.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an adopt non-isolation structure's power chip, includes casing (1) and locating component (8), its characterized in that, the inside central authorities of casing (1) are provided with chip body (2), and the top of casing (1) is connected with cap (3), through-hole (5) have all been seted up to the left and right sides of casing (1), and the inside of through-hole (5) is settled there is pin (6), the one end of pin (6) is fixed with end (7), is used for quick location locating component (8) set up in the inside left and right sides of casing (1), locating component (8) include fixed plate (801), shifting block (802), slide bar (803), locating piece (804) and positioning spring (805), the top surface of fixed plate (801) is provided with shifting block (802), and the bottom of shifting block (802) is fixed with slide bar (803), the outside of slide bar (803) has cup jointed positioning spring (805).

2. The power chip adopting the non-isolated structure according to claim 1, wherein the through holes (5) are distributed at equal intervals on the left side and the right side of the shell (1), and the size of the through holes (5) is equal to the size of the section of the pins (6).

3. A power chip according to claim 1, wherein the width of the terminal (7) is larger than the width of the through hole (5), and the terminal (7) is electrically connected to the chip body (2).

4. The power chip of claim 1, wherein the positioning block (804) has an L-shape, and the positioning block (804) is elastically connected with a positioning spring (805).

5. The power chip adopting the non-isolation structure according to claim 1, wherein the inside of the left end and the right end of the shell cover (3) is provided with a connecting component (4) for quick connection, the connecting component (4) comprises a pressing rod (401) and a clamping block (402), the inside of the left end and the right end of the shell (1) is slidably connected with the pressing rod (401), and the outer side of the middle part of the pressing rod (401) is fixedly provided with the clamping block (402).

6. The power chip adopting the non-isolated structure according to claim 5, wherein the connecting component (4) further comprises a clamping groove (403) and a return spring (404), the clamping groove (403) is symmetrically formed in the upper end of the inner side of the shell (1), the clamping groove (403) is clamped with the clamping block (402), and the return spring (404) is sleeved on the outer side of one end of the compression bar (401).

7. The power chip adopting the non-isolated structure according to claim 1, wherein heat radiating fins (9) are fixed on the upper side and the lower side of the shell cover (3), and a heat conducting plate (10) is fixed between the heat radiating fins (9).

8. The power chip adopting the non-isolated structure according to claim 1, wherein the bottom surface of the shell (1) is provided with heat dissipation grooves (11) at equal intervals, and positioning columns (12) are symmetrically fixed on the bottom surface of the shell (1).