KR101056068B1 - Oral x-ray sensor - Google Patents

Abstract

The present invention relates to an oral x-ray sensor, and more particularly, to an oral x-ray sensor including a grounding structure and a physical structure for mitigating static electricity, electrical leakage, electrical shock and physical shock generated in the dental x-ray sensor. .

According to the present invention, an oral X-ray sensor is provided to alleviate an electric shock or physical shock generated during operation of the oral X-ray sensor, thereby preventing a malfunction or failure of the sensor. In addition, the present invention provides an oral X-ray sensor structure that prevents the patient from being uncomfortable or adversely affected by static electricity and electric shock generated during sensing.

Oral X-ray Sensor, Ground, Case, Shock Absorber, Etch

Description

Oral X-ray Sensor

The present invention relates to an oral x-ray sensor, and more particularly, oral x-ray sensor including a grounding structure for protecting the sensor against physical shock applied to the dental x-ray x-ray sensor, and to mitigate static electricity, short circuit and electric shock It is about.

In general, the oral X-ray sensor is composed of a sensor unit for converting the image data during X-ray irradiation, and a lower case and an upper case located on one surface of the sensor unit.

1 is a perspective view showing the configuration of a conventional oral X-ray sensor 10.

Referring to FIG. 1, the oral X-ray sensor 10 includes a sensor unit 12 for detecting X-rays radiated from an X-ray source, an upper case 11 and a lower case for protecting the sensor unit 12. 12). The upper case 11 is manufactured in a dome shape to protect the circuit engine of the sensor unit 12.

In such a conventional oral X-ray sensor, malfunctions, failures, and temporary electric shocks may occur temporarily on or off during sensing. Such electric shocks are a very dangerous factor, and particularly, sensors that are electrically and physically sensitive. Electrical shocks and physical shocks at the part must be eliminated.

In addition, when the electrical shock or static electricity occurs in the oral cavity of the patient during sensing using the oral X-ray sensor, not only the sensing result does not come out normally but also adversely affects the patient.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-described problems of the prior art and the technical problems required from the past.

It is an object of the present invention to provide an oral X-ray sensor having a structure to mitigate physical shock and electrical shock generated in the oral X-ray sensor, and to prevent malfunction or failure of the sensor.

It is also an object of the present invention to provide an oral X-ray sensor having a structure to prevent static and electrical shock to prevent discomfort or adverse effects on the patient during sensing.

In order to achieve the above object, the present invention, in the oral X-ray sensor, a sensor substrate for receiving the X-rays, an outer case which is coated with an insulating material, the sensor substrate is embedded, and between the sensor substrate and the outer case And an inner case positioned to receive the sensor substrate, wherein the outer case and the inner case are made of a conductive metal and are grounded to each other.

The present invention also provides a sensor substrate for receiving X-rays, an outer case coated with an insulating material, an inner case containing the sensor substrate, an inner case located between the sensor substrate and the outer case, and containing the sensor substrate, and the sensor. It characterized in that it comprises a buffer member in contact with the outer surface of the substrate.

In a preferred embodiment, the outer case is characterized in that the upper case and the lower case is assembled.

In an exemplary embodiment, the sensor substrate may include a sensing unit sensing X-rays and a circuit unit positioned on the sensing unit and controlling the sensing unit, wherein the inner case has an open top structure, and has an upper surface of the circuit unit. It is characterized in that the sensor substrate is accommodated while surrounding the portion except for.

In a preferred embodiment, the outer case and the inner case is characterized in that made of aluminum or aluminum alloy.

In the preferred embodiment, the inner surface of the outer case is characterized in that to form a ground with the inner case by etching the portion coated with the insulating material.

In an exemplary embodiment, the inner surface of the upper case is etched to form a ground with an upper surface of the inner case, or the inner surface of the lower case is etched to form a ground with a lower surface of the inner case, or the upper portion The inner surfaces of the case and the lower case are etched to form grounds on the upper and lower surfaces of the inner case, respectively.

In an exemplary embodiment, the upper case and the lower case may be grounded by etching the portion where the upper case and the lower case are connected to each other.

In a preferred embodiment, the upper case has a structure in which a base and a top case having a protruding shape are coupled to each other, and the base and the top case are etched by etching the portion where the base and the top case are connected. It is characterized in that the grounding with each other.

In a preferred embodiment, the buffer member is located at any one or more portions selected between the sensing unit and the inner case, between the circuit unit and the outer case, and between the side surface of the sensor substrate and the inner case. It is characterized by.

In an exemplary embodiment, the inner case may be grounded with the sensor substrate, the sensor substrate may be provided with a ground portion, and the ground portion may be grounded with an external cable.

The present invention has the following excellent effects.

First, the oral X-ray sensor of the present invention to mitigate the electrical or physical shock generated during the operation of the sensor, there is an effect to prevent the malfunction, failure, etc. of the sensor.

In addition, the oral X-ray sensor of the present invention has the effect of preventing the discomfort or adverse effects on the patient during sensing by preventing static electricity and electric shock.

The terms used in the present invention were selected as general terms as widely used as possible, but in some cases, the terms arbitrarily selected by the applicant are included. In this case, the meanings described or used in the detailed description of the present invention are considered, rather than simply the names of the terms. The meaning should be grasped.

Hereinafter, the technical structure of the present invention will be described in detail with reference to preferred embodiments shown in the accompanying drawings.

However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Like reference numerals designate like elements throughout the specification.

2 is a perspective view of the oral X-ray sensor according to the first embodiment of the present invention, Figure 3 is a cross-sectional view of the oral X-ray sensor of FIG.

Referring to these drawings, the oral X-ray sensor 100 has a structure including a sensor substrate 110, an outer case 120, and an inner case 130. The sensor substrate 110 senses X-rays radiated from an X-ray source, and the outer case 120 is coated with an insulating material and contains the sensor substrate 110. The sensor substrate 110 includes a sensing unit 114 that senses X-rays, and a circuit unit 112 that is positioned above the sensing unit 114 and controls the sensing unit 114. The inner case 130 is positioned inside the outer case 120 in a state where the sensor substrate 110 is accommodated. The outer case 120 and the inner case 130 are made of a conductive metal. Form a structure that is grounded.

Therefore, the static electricity and the electric shock generated by the sensor substrate 110 are grounded to the inner case 130 and the outer case 120 to prevent malfunction and failure, and further comprising the inner case 130. As a result, the sensor substrate 110 may be improved by protecting the electro-mechanically sensitive sensor substrate 110 from external impact.

4 is a cross-sectional view of the oral X-ray sensor according to the second embodiment of the present invention.

Referring to FIG. 4, the inner case 132 accommodates the sensor substrate 110 while covering the side and bottom surfaces of the sensor substrate 110, and a part of the inner case 132 is the sensor substrate 110. The sensor substrate 110 is fixed to cover the top surface of the sensor substrate 110. That is, the inner case 132 has a structure in which the upper part is opened, and forms a structure for accommodating the sensor substrate 110 while covering a portion except for a part of the upper surface of the circuit part 112.

5 is a cross-sectional view of the oral X-ray sensor according to the third embodiment of the present invention.

Referring to FIG. 5, the outer case 120 forms a structure in which the upper case 122 and the lower case 125 are assembled, and a coupling structure of the upper case 122 and the lower case 125 is shown in FIG. 6. As described above, a step is formed at the coupling site and coupled to the fitting structure. The coupling structure is not only limited to the fitting structure, but is not particularly limited, such as fastening and attachment.

6 to 9 are schematic views of the grounding structure of the X-ray sensor in the oral cavity. First, in FIG. 6, the grounding structure between the upper case 122 and the lower case 125 constituting the outer case is illustrated. The outer case is formed of a structure in which an insulating material is coated on a conductive metal to maintain insulation in the oral cavity of a patient, and forms a step at a coupling portion of the upper case 122 and the lower case 125 to form the upper case ( When the 122 and the lower case 125 are coupled to each other, the surfaces 123 and 127 which are in contact with each other are not coated with the insulating material or partially remove the insulating material by etching or the like. Therefore, when the assembly of the upper case 122 and the lower case 125 is made of a structure that is grounded through the coupling portion.

7A shows an exploded perspective view of the upper case and FIG. 7B shows a cross sectional view of FIG. 7A.

Referring to these drawings, the upper case 122 has a structure in which the base 122a and the top case 122b having a shape protruding upward are coupled. A portion of the upper surface of the base 122a is open, and when the oral X-ray sensor is assembled, the circuit unit of the sensor device is assembled through the open portion, and then the top case 122b is coupled. In this case, the contact portions 128 and 129 between the base 122a and the top case 122b do not coat an insulating material or remove the coated insulating material, thereby removing the base 122a and the top case ( 122b) forms a structure that is grounded to each other.

8 is a perspective view of the lower case, and referring to FIG. 8, the inner surface of the lower case 125 is a structure 126 in which the surface of the conductive metal is exposed by removing some of the insulating material for the inner case and the ground. Is done. Such a structure may be formed in a structure in which the insulating material is partially removed by using a laser etching method, and the structure may be formed by removing the insulating material in various ways without being limited thereto.

9 is a schematic diagram of a structure in which a sensor substrate is accommodated in an inner case.

Referring to FIG. 9, the sensor substrate 112 is accommodated in an inner case 132 made of aluminum, and a portion of the inner case 132 covers and fixes the circuit portion 112 of the sensor substrate. The circuit part 112 of the sensor substrate includes a ground part 113, and the inner case 112 and the ground part 113 are connected to each other by a ground tape 133 and grounded to each other. In addition, the ground portion 113 has a structure in which the ground cable 116 is grounded to an external cable, that is, a power cable for supplying power to the oral X-ray sensor.

Thus, referring back to FIGS. 5 to 9, the upper case 122 and the lower case 125 formed of the base 122a and the top case 122b are grounded to each other at a coupling site, and the lower case ( The etched inner surface 126 of 125 and the lower surface of the inner case 132 contact each other and form a ground. In addition, the inner case 132 is grounded with the ground portion 113 of the circuit portion 112, the ground portion 113 is made of a structure that is grounded by the external cable 116. That is, the base 122a and the top case 122b, and the lower case 125, the inner case 130, the circuit part 112, and the external cable constituting the upper case 122 are grounded to each other. It becomes a structure.

10A to 10C are cross-sectional views of the oral X-ray sensor including the buffer member according to the fourth embodiment of the present invention.

10A through 10C, shock absorbing members 142, 144, and 146 protecting the sensor substrate 110 from external shocks are disposed on one or more surfaces of the sensor substrate 110. The buffer members 142, 144, and 146 may be included in various positions to protect the sensor substrate 110. For example, as illustrated in FIG. 9A, the sensing unit 114 and the inner case of the sensor substrate 110 may be provided. Between the 132, between the sensing unit 114 of the sensor substrate 110 and the inner case 132 as shown in FIG. 9B, and between the circuit unit 112 and the outer case 120 of the sensor substrate 110, FIG. As shown in FIG. 9C, between the sensing unit 114 of the sensor substrate 110 and the inner case 132, between the circuit unit 112 of the sensor substrate 110 and the outer case 120, and of the sensor substrate 110. The buffer members 142, 144, and 146 may be positioned between the side surfaces and the inner case 132.

1 is a perspective view of a conventional oral x-ray sensor;

2 is a perspective view of an oral x-ray sensor according to a first embodiment of the present invention, and FIG. 3 is a cross-sectional view of FIG. 2;

4 is a cross-sectional view of an oral x-ray sensor according to a second embodiment of the present invention;

5 is a cross-sectional view of an oral x-ray sensor according to a third embodiment of the present invention;

6 is an exploded perspective view of the outer case;

7A is an exploded perspective view of the upper case, and FIG. 7B is a sectional view of FIG. 7A;

8 is a perspective view of the lower case;

9 is a schematic view of a structure in which a sensor substrate is accommodated in an inner case;

10A to 10C are cross-sectional views of an oral x-ray sensor including a cushioning member;

<Explanation of symbols for the main parts of the drawings>

100: oral X-ray sensor 110: sensor substrate

120: outer case 122: upper case

125: lower case 130, 132: inner case

142, 144, 146: buffer member

Claims (15)

A sensor substrate for receiving X-rays; An outer case coated with an insulating material and including the sensor substrate and having an upper case and a lower case assembled; And An inner case disposed between the sensor substrate and the outer case to receive the sensor substrate; Including, The outer case and the inner case is made of a conductive metal, the oral X-ray sensor, characterized in that the ground to each other at the coupling portion of the upper case and the lower case. A sensor substrate for receiving X-rays; An outer case coated with an insulating material and including the sensor substrate and having an upper case and a lower case assembled; An inner case disposed between the sensor substrate and the outer case to receive the sensor substrate; And A buffer member in contact with an outer surface of the sensor substrate; Including, The oral X-ray sensor, characterized in that the ground to each other at the coupling portion of the upper case and the lower case. The method according to claim 1 or 2, The portion of the lower case exposed portion of the conductive film and the lower surface of the inner case is ground oral X-ray sensor, characterized in that the ground. delete delete The method according to claim 1 or 2, The inner surface of the outer case is an oral X-ray sensor, characterized in that to form a ground with the inner case by etching the portion coated with the insulating material. The method of claim 3, wherein Etching the inner surface of the upper case to form a ground with the upper surface of the inner case, or etching the inner surface of the lower case to form a ground with the lower surface of the inner case, or the inside of the upper case and the lower case Oral x-ray sensor, characterized in that to form a ground on each of the upper and lower surfaces of the inner case by etching the surface. The method of claim 3, wherein Oral x-ray sensor, characterized in that the upper case and the lower case is grounded by etching the portion where the upper case and the lower case is connected. The method of claim 3, wherein The upper case has a structure in which a base and a top case having a protruding shape are coupled to each other, and the base and the top case are grounded by etching the portion where the base and the top case are coupled to each other. Oral X-ray sensor. delete The method according to claim 1 or 2, And the inner case is grounded with the sensor substrate, the sensor substrate has a ground portion, and the ground portion is grounded with an external cable. A sensor substrate for receiving X-rays; An outer case coated with an insulating material and containing the sensor substrate; And An inner case disposed between the sensor substrate and the outer case to receive the sensor substrate; Including, The outer case and the inner case is made of a conductive metal, are grounded with each other, The sensor substrate includes a sensing unit sensing X-rays, and a circuit unit positioned on the sensing unit and controlling the sensing unit. The inner case has an open structure, the oral x-ray sensor characterized in that to accommodate the sensor substrate while surrounding the portion except the upper surface of the circuit portion. A sensor substrate for receiving X-rays; An outer case coated with an insulating material and containing the sensor substrate; An inner case disposed between the sensor substrate and the outer case to receive the sensor substrate; And A buffer member in contact with an outer surface of the sensor substrate; Including, The sensor substrate includes a sensing unit sensing X-rays, and a circuit unit positioned on the sensing unit and controlling the sensing unit. The inner case has an open structure, the oral x-ray sensor characterized in that to accommodate the sensor substrate while surrounding the portion except the upper surface of the circuit portion. The method according to claim 12 or 13, Oral X-rays, characterized in that the buffer member is located at any one or more portions selected from between the sensing unit and the inner case, between the circuit unit and the outer case, and between the side of the sensor substrate and the inner case. sensor. The method according to claim 12 or 13, The inner case is oral X-ray sensor, characterized in that grounded with the ground of the circuit portion.

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