CN215620933U - Capacitor for printer - Google Patents
Capacitor for printer Download PDFInfo
- Publication number
- CN215620933U CN215620933U CN202122072849.8U CN202122072849U CN215620933U CN 215620933 U CN215620933 U CN 215620933U CN 202122072849 U CN202122072849 U CN 202122072849U CN 215620933 U CN215620933 U CN 215620933U
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- shell
- heat dissipation
- heat
- capacitor
- fan cover
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Abstract
The utility model discloses a capacitor for a printer, which comprises a shell, a core body and a fan cover, wherein the shell is hollow, the upper end and the lower end of the shell are opened, the core body is arranged in the shell, the fan cover is arranged at the top of the shell, and the bottom of the shell is provided with a bottom plate; a heat dissipation cavity is formed in the fan cover, a negative pressure fan is arranged at the bottom of the heat dissipation cavity, and the negative pressure fan is located between the heat dissipation cavity of the fan cover and the inner cavity of the shell; a circle of air outlets are formed in the outer edge of the bottom surface of the air cover along the circumferential direction and are positioned outside the shell; the shell is provided with heat dissipation holes, the outer side of the shell is provided with heat absorption sheets, and the outer sides of the heat absorption sheets are provided with heat dissipation fins which incline downwards; the fan cover of the capacitor for the printer is provided with the negative pressure fan, so that air can be driven to rapidly circulate, and heat dissipation is accelerated; the heat absorbing sheet and the heat radiating fins are arranged on the outer side of the capacitor shell, and the heat absorbing sheet and the heat radiating fins are matched to discharge heat inside the shell in time, so that the heat radiating effect of the capacitor is improved.
Description
Technical Field
The present disclosure relates to capacitors, and particularly to a capacitor for a printer.
Background
A capacitor is a device that holds electric charge, and is one of electronic components that are used in large numbers in electronic apparatuses such as printers. The capacitor can produce a large amount of heats at the in-process of long-time work, but the present capacitor for most printers adopts totally closed shell, and totally closed capacitor case's heat dispersion is very poor, if the heat that the capacitor work produced can not discharge in time just cause the damage of condenser easily, subtracts the life of short capacitor, can cause safety problems such as explosion even when the condition is serious, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a capacitor for a printer.
In order to solve the technical problems, the utility model adopts the technical scheme that: a capacitor for a printer comprises a shell, a core body and a fan cover, wherein the shell is hollow, the upper end and the lower end of the shell are opened, the core body is arranged in the shell, the fan cover is arranged at the top of the shell, and a bottom plate is arranged at the bottom of the shell; a heat dissipation cavity is formed in the fan cover, a negative pressure fan is arranged at the bottom of the heat dissipation cavity, and the negative pressure fan is located between the heat dissipation cavity of the fan cover and the inner cavity of the shell; a circle of air outlets are formed in the outer edge of the bottom surface of the air cover along the circumferential direction and are positioned outside the shell;
the shell is provided with heat dissipation holes, the outer side of the shell is provided with heat absorption sheets, and the outer sides of the heat absorption sheets are provided with heat dissipation fins which incline downwards; a dustproof filter screen which is attached to the inner wall of the shell is arranged on the inner side of the shell;
the bottoms of the left end and the right end of the bottom plate are both fixedly provided with support legs, and the bottom plate is provided with an S-shaped heat dissipation channel; the inside of casing is provided with the dustproof filter screen of laminating mutually with the bottom plate top surface.
Furthermore, the heat dissipation holes are multiple groups, and the multiple groups of heat dissipation holes are distributed at intervals around the shell along the circumferential direction of the shell; each group of heat dissipation holes are provided with a plurality of through holes which are distributed on the shell at intervals from top to bottom along the axial direction of the shell.
Furthermore, the heat dissipation fins are in multiple groups, and the multiple groups of heat dissipation fins are distributed at intervals around the heat absorption sheet along the circumferential direction of the heat absorption sheet; each group of heat dissipation fins is provided with a plurality of fins which are distributed on the heat absorption sheet at intervals from top to bottom along the axial direction of the heat absorption sheet.
The fan cover of the capacitor for the printer is provided with the negative pressure fan, and the negative pressure fan can drive air to rapidly circulate, so that heat dissipation is accelerated, and the heat dissipation effect on the capacitor is better; the heat absorbing fins and the heat dissipation fins are arranged on the outer side of the capacitor shell, and the heat absorbing fins and the heat dissipation fins are matched to discharge heat inside the shell in time, so that the heat dissipation effect of the capacitor is improved, the service life of the capacitor is prolonged, and the safety of the capacitor in the working process is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram showing the positional relationship among the housing, the heat sink, and the heat dissipating fins.
Fig. 3 is a partially enlarged view of the S-shaped heat dissipation channel of fig. 1.
In the figure: 1. a housing; 2. a core body; 3. a fan housing; 4. a heat dissipation cavity; 5. a negative pressure fan; 6. an air outlet; 7. a base plate; 8. a heat absorbing sheet; 9. heat dissipation fins; 10. a dustproof filter screen; 11. a support leg; 12. an S-shaped heat dissipation channel; 13. a positive electrode lead; 14. a negative electrode lead; 15. an insulating sleeve; 16. and (4) heat dissipation holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, a capacitor for a printer includes a housing 1, a core 2, and a fan housing 3, wherein the housing 1 is hollow, and has an opening at the upper end and the lower end, the core 2 is disposed in the housing 1, the fan housing 3 is disposed at the top of the housing 1, and a bottom plate 7 is disposed at the bottom of the housing 1; a heat dissipation cavity 4 is formed in the fan cover 3, a negative pressure fan 5 is arranged at the bottom of the heat dissipation cavity 4, and the negative pressure fan is located between the heat dissipation cavity of the fan cover and the inner cavity of the shell; the outer edge of the bottom surface of the fan housing 3 is circumferentially provided with a circle of air outlets 6, and the air outlets are positioned outside the shell 1. When the capacitor needs to be rapidly cooled, the negative pressure fan is started, and drives accelerated air in the capacitor shell to enter the cooling cavity 4 in the fan cover and then to be discharged out of the capacitor from the air outlet 6 of the fan cover; the negative pressure fan can drive the air to circulate fast, and the heat dissipation is accelerated, and the radiating effect to the condenser is better.
The shell 1 is provided with a plurality of heat dissipation holes 16, and the plurality of heat dissipation holes 16 are distributed around the shell 1 at intervals along the circumferential direction of the shell; each group of heat dissipation holes are provided with a plurality of through holes which are distributed on the shell at intervals from top to bottom along the axial direction of the shell. A heat absorbing sheet 8 is arranged on the outer side of the shell 1, and heat radiating fins 9 which are inclined downwards are arranged on the outer side of the heat absorbing sheet 8; the heat dissipation fins 9 are distributed at intervals around the heat absorption sheet 8 along the circumferential direction of the heat absorption sheet; each group of heat dissipation fins is provided with a plurality of fins which are distributed on the heat absorption sheet at intervals from top to bottom along the axial direction of the heat absorption sheet. The heat absorbing sheet and the heat radiating fins are matched to discharge heat inside the shell in time, and the heat radiating effect of the capacitor is improved.
The bottom of the left end and the bottom of the right end of the bottom plate 7 are both fixedly provided with support legs 11, and the bottom plate 7 is provided with an S-shaped heat dissipation channel 12; the S-shaped heat dissipation channel 12 enables the capacitor to dissipate heat from the bottom, and the S-shaped heat dissipation channel can prevent external dust from entering the shell. A dustproof filter screen 10 which is attached to the inner wall of the shell is arranged on the inner side of the shell 1; the interior of the shell 1 is provided with a dustproof filter screen 10 which is attached to the top surface of the bottom plate 7. The dustproof filter screen prevents external dust from entering the shell through the heat dissipation holes 16 and the S-shaped heat dissipation channel 12.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.
Claims (3)
1. A capacitor for a printer, characterized in that: the air-conditioning core comprises a shell (1), a core body (2) and a fan cover (3), wherein the shell (1) is hollow, the upper end and the lower end of the shell are opened, the core body (2) is arranged in the shell (1), the fan cover (3) is arranged at the top of the shell (1), and a bottom plate (7) is arranged at the bottom of the shell (1); a heat dissipation cavity (4) is formed in the fan cover (3), a negative pressure fan (5) is arranged at the bottom of the heat dissipation cavity (4), and the negative pressure fan is located between the heat dissipation cavity of the fan cover and the inner cavity of the shell; a circle of air outlets (6) are formed in the outer edge of the bottom surface of the air cover (3) along the circumferential direction and are located outside the shell (1);
the heat dissipation device is characterized in that the shell (1) is provided with heat dissipation holes (16), the outer side of the shell (1) is provided with a heat absorption sheet (8), and the outer side of the heat absorption sheet (8) is provided with heat dissipation fins (9) which incline downwards; a dustproof filter screen (10) which is attached to the inner wall of the shell is arranged on the inner side of the shell (1);
the bottom of the left end and the bottom of the right end of the bottom plate (7) are both fixedly provided with support legs (11), and the bottom plate (7) is provided with an S-shaped heat dissipation channel (12); the inside of casing (1) is provided with dustproof filter screen (10) of laminating mutually with bottom plate (7) top surface.
2. The capacitor for a printer according to claim 1, wherein: the heat dissipation holes (16) are distributed at intervals around the shell (1) along the circumferential direction of the shell; each group of heat dissipation holes are provided with a plurality of through holes which are distributed on the shell at intervals from top to bottom along the axial direction of the shell.
3. The capacitor for a printer according to claim 2, wherein: the heat dissipation fins (9) are distributed at intervals around the heat absorption sheet (8) along the circumferential direction of the heat absorption sheet; each group of heat dissipation fins is provided with a plurality of fins which are distributed on the heat absorption sheet at intervals from top to bottom along the axial direction of the heat absorption sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122072849.8U CN215620933U (en) | 2021-08-30 | 2021-08-30 | Capacitor for printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122072849.8U CN215620933U (en) | 2021-08-30 | 2021-08-30 | Capacitor for printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215620933U true CN215620933U (en) | 2022-01-25 |
Family
ID=79904347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122072849.8U Active CN215620933U (en) | 2021-08-30 | 2021-08-30 | Capacitor for printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215620933U (en) |
-
2021
- 2021-08-30 CN CN202122072849.8U patent/CN215620933U/en active Active
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