KR20160043659A

KR20160043659A - Portable Photo Printing Device

Info

Publication number: KR20160043659A
Application number: KR1020140138040A
Authority: KR
Inventors: 윤희필; 김승곤
Original assignee: 디에스글로벌 (주)
Priority date: 2014-10-14
Filing date: 2014-10-14
Publication date: 2016-04-22
Also published as: KR101634146B1

Abstract

The objective of the present invention is to provide a portable photo printing device capable of preventing external static electricity, introduced through a paper discharger where printing paper is discharged, from causing malfunctions by comprising an electrostatic removing unit at the printing paper discharger and of maintaining the optimal radiating properties even when replacing an expensive graphite sheet into an inexpensive aluminum plate by increasing the radiation area by using the electrostatic removing unit and an electrostatic removing plate which is placed where printing paper is provided. The portable photo printing device of the present invention includes: the electrostatic removing unit for removing static electricity from the printing paper discharged from the paper discharger on a main body of a case and a head assembly at the inner side of the bottom of the main body of the case; and the radiation plate, attached on either the head assembly or the control unit, made of aluminum for absorbing heat generated in a control unit. The electrostatic removing unit includes a static electricity remover of which the end is placed at the bottom of the printing paper discharged from the discharger by extending the static electricity remover from the radiating plate. Additionally, the static electricity remover includes a metal cover which covers the upper surface of the head assembly. Here, the metal cover touches the electrostatic removing plate placed at the inner surface of the upper case.

Description

[0001] Portable Photo Printing Device [0002]

More particularly, the present invention relates to a portable photo printing apparatus, and more particularly, to a portable photo printing apparatus which is capable of discharging static electricity to a head assembly through a print sheet in a process of discharging a photo to a print sheet, The present invention relates to a portable photographic printing apparatus capable of effectively preventing a print failure due to a high temperature by efficiently discharging heat generated from a head assembly and a control unit during printing.

2. Description of the Related Art [0002] Generally, a photographic printing apparatus for printing a photograph stored in a mobile terminal by connecting with a mobile terminal such as a smart phone by wire / A head assembly 2 installed in the case body 1 and adapted to print an image on the printing paper P and a head assembly 2 mounted on the head assembly 2, And a control unit 3 for controlling the driving of the vehicle.

The housing body 1 is provided with a receiving space 1c in which a plurality of print sheets P can be stacked and accommodated. The print sheet P is placed on the upper side of the sheet feeding roller 2a of the head assembly 2, And a pressing member 4 for pressing and conveying the sheet P between the sheet feeding roller 2a and the sheet feeding roller 2a is provided on one side wall of the case body 1, And a discharge port 1d for discharging the gas to the discharge port 1d.

An electrostatic removing plate 5 made of a metal is provided on the inner surface of the upper case 1a located in the upper portion of the accommodating space 1c in which the printing paper P is accommodated. The electrostatic removing plate 5 is grounded to the head assembly 2. Thus, static electricity is removed from the printing paper P accommodated in the accommodation space 1c so that the printing paper P can be supplied one by one.

However, in the above-described conventional photographic printing apparatus, the static electricity of the printing paper P can be removed by the static electricity removing plate 5 at the supplying side of the printing paper P, The external static electricity can be introduced into the interior of the printing paper P through the discharge port 1d while discharging the static electricity to the inside of the head assembly 1d 2, there is a problem that the operation of the head assembly 2 is influenced and the operation is stopped or an error occurs, thereby causing a printing failure.

In addition, the conventional photographic printing apparatus generates heat in the control unit 3 and the head assembly 2, which are made up of the main PCB and the memory chip, during the printing. To this end, the graphite sheet The graphite sheet 6 is provided to discharge the heat generated from the head assembly 2 and the control unit 3. The graphite sheet 6 is excellent in heat radiation performance but expensive, .

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide an electrostatic removing device, By using the electrostatic eliminating means and the electrostatic removing plate provided on the supply side of the printing paper to further increase the heat dissipating area, the expensive graphite sheet can be made into an inexpensive aluminum sheet And it is an object of the present invention to provide a portable photo printing apparatus capable of maintaining a desired heat radiation performance.

According to an aspect of the present invention, there is provided a printer comprising: a case body having an upper case and a lower case, the case having a printing paper accommodating space formed therein and a printing paper discharge port formed on a side wall thereof; A control unit for controlling driving of the head assembly, and an electrostatic removing plate provided on an inner surface of the upper case located above the printing paper accommodating space to remove static electricity from the printing paper, The portable photographic printing apparatus is characterized in that a static electricity removing means for removing static electricity from the printing paper discharged through the discharge port of the case body is provided between the head assembly and the discharging opening in the case body.

Further, the present invention provides a heat radiating plate of aluminum material for absorbing heat generated in the head assembly and the control unit on the inner surface of the lower case of the case body to ground the head assembly or the control unit, And an electrostatic removing member having its end located at the bottom of the print paper discharged to the discharge port.

Further, the present invention is characterized by a portable photo printing apparatus having a metal cover covering an upper surface of the head assembly, wherein the metal cover is in surface contact with an electrostatic removing plate provided on the inner surface of the upper case.

According to the present invention, the electrostatic removing means for removing the static electricity from the print paper discharged through the discharge port of the case body is provided between the head assembly and the discharge port in the case body, It is possible to remove the static electricity generated at the discharge side of the print paper as well as the static electricity flowing from the outside through the through hole, thereby preventing the defective print due to the movement of the head assembly due to the static electricity or malfunction.

According to another aspect of the present invention, there is provided a head assembly comprising: a heat sink for absorbing heat generated in a head assembly and a control unit; and a static eliminator for integrally extending the static eliminator from the heat sink. And the surface of the electrostatic removing plate provided on the upper case is covered with the metal cover. Thus, the heat radiation area can be greatly increased and the heat radiation efficiency can be increased. As a result, the expensive graphite sheet conventionally used for heat dissipation of the head assembly and the control unit It is possible to maintain a desired heat radiation performance even if it is replaced with low-priced aluminum, thereby reducing the manufacturing cost of the photographic printing apparatus.

1 is a cross-sectional view of a conventional portable photo printing apparatus;
2 is a sectional view showing a portable photo printing apparatus of the present invention.
3 is a perspective view of a heat sink and a lower case showing a static eliminator in the portable photo printer of the present invention.
4 is a perspective view showing the head assembly in the portable photo printing apparatus of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. 2, the photographic printing apparatus of the present invention includes a case body 10 having an upper case 11 and a lower case 12, a head assembly 20 installed inside the case body 10, And a control unit.

The case body 10, the upper case 11 and the lower case 12 are manufactured by injection molding with a synthetic resin material. The upper case 11 and the lower case 12 are formed on the upper and lower sides of the case body 10, And a housing space 13 in which a plurality of sheets of print paper P are stacked can be formed inside the case body 10. A head assembly 20 And a discharge port 14 for discharging the printed print sheet P to the outside.

The head assembly 20 is installed in the case body 10 to print an image on the printing paper P. The control unit 30 includes a main PCB and a memory chip mounted on the main PCB The head assembly 20 is provided with a paper feed roller 21 driven by an electric motor and is mounted on the upper portion of the paper feed roller 21 with a spring, A pressing member 40 for pressing the printing paper P toward the paper feed roller 21 is provided so that the printing paper P can be fed.

A static electricity removing plate made of a metal material for removing static electricity from the printing paper P is provided on the inner surface of the upper case 11 of the case body 10 located above the printing paper P placed in the receiving space 13, A heat sink 60 made of an aluminum material is provided on the inner surface of the lower case 12 of the case body 10 located below the head assembly 20 and the control unit 30, So that heat generated in the head assembly 20 and the control unit 30 is emitted.

Thus, when the mobile terminal such as a smart phone and the control unit 30 of the photo printing apparatus are connected to each other wirelessly, the control unit 30 drives the head assembly 20 to transmit a photograph stored in the mobile terminal to the print sheet P, And the print paper P printed in the head assembly 20 is discharged to the outside through the discharge port 14 of the case body 10.

The electrostatic removing means for removing static electricity from the print paper P discharged through the discharge port 14 of the case body 10 is provided between the head assembly 20 and the discharge port 14 in the case body 10. [ 2 and 3, the static electricity eliminating means is integrally formed by extending from the heat sink 60 provided on the inner surface of the lower case 12 and discharging the end of the static electricity removing device to the discharge port 14 The heat dissipating plate 60 may be grounded to the control unit 30 or the head assembly 20 so as to serve as an electrostatic removing function .

The photographic printing apparatus according to the present invention is characterized in that the static electricity removing plate 50 provided on the upper case 11 removes static electricity of the printing paper P from the supply side of the printing paper P, The electrostatic removing member 70 can supply static electricity from the printing paper P which is discharged so that external static electricity is not guided to the head assembly 20 through the printing paper P, The external static electricity affects the head assembly 20 in the process of discharging the printing paper P through the discharge port 14 to stop the driving of the head assembly 20 or cause malfunction, Can be prevented.

The static eliminator 70 is integrally connected to the heat sink 60 of the lower case 12 by the same material as the heat sink 60. Therefore, So that the heat radiation area can be further increased.

2 and 4, the present invention further includes a metal cover 80 covering the upper surface of the head assembly 20, and the metal cover 80 is attached to the inner surface of the upper case 11 And is in surface contact with the electrostatic charge removing plate 50 provided.

According to this configuration, the heat generated in the head assembly 20 is transmitted to the metal cover 80, and the heat of the metal cover 80 can be transferred to the surface-contacted electrostatic removing plate 50 to dissipate heat. Accordingly, the heat dissipating function of the electrostatic removing plate 50 performing the electrostatic removing function can be combined to further increase the heat dissipating area of the head assembly 20, and the heat dissipating plate 60 provided in the lower case 12, And the static electricity eliminating piece 70 formed thereon together with the static electricity removing function, the heat radiation function can be greatly enhanced. Thus, to replace the expensive graphite sheet used as the heat sink in order to improve the heat radiation performance, The heat dissipation performance of the head assembly 20 and the control section 30 can be sufficiently maintained even by using the heat dissipation plate 60. [

The specific embodiments of the present invention have been described above. It is to be understood, however, that the spirit and scope of the invention are not limited to these specific embodiments, but that various changes and modifications may be made without departing from the spirit of the invention, If you are a person, you will understand.

Therefore, it should be understood that the above-described embodiments are provided so that those skilled in the art can fully understand the scope of the present invention. Therefore, it should be understood that the embodiments are to be considered in all respects as illustrative and not restrictive, The invention is only defined by the scope of the claims.

10: Case body 11: Upper case
12: lower case 13: accommodation space
14: exhaust port 20: head assembly
30: control unit 50: electrostatic removing plate
60: Heat sink 70: Electrostatic eliminator
80: metal cover P: printing paper

Claims

A printer comprising: a case body having an upper case and a lower case, the case having a printing paper accommodating space formed therein and a printing paper discharge port formed on a side wall thereof, a head assembly installed in the case body for printing an image on the printing paper, A control unit for controlling driving of the head assembly; and an electrostatic removing plate provided on an inner surface of the upper case located above the printing paper accommodating space to remove static electricity of the printing paper,
Wherein a static electricity removing means for removing static electricity from the print paper discharged through the discharge port of the case body is provided between the head assembly and the discharge port in the case body.

[2] The apparatus of claim 1, further comprising: a heat radiating plate for absorbing heat generated in the head assembly and the control unit on the inner surface of the lower case of the case body to ground the head assembly or the control unit, And an electrostatic removing part formed integrally with the heat sink and positioned at the bottom of the print paper discharged at the discharge port.

The portable photographic printer according to claim 1 or 2, further comprising a metal cover covering an upper surface of the head assembly, wherein the metal cover is in surface contact with an electrostatic removing plate provided on an inner surface of the upper case, .