KR20160064962A - X-ray imaging apparatus - Google Patents

Abstract

Disclosed is an X-ray imaging apparatus having an improved structure to prevent a foreign material from penetrating. The X-ray imaging apparatus comprises: an X-ray source for generating and irradiating an X-ray; an X-ray detector provided to detect the X-ray irradiated by the X-ray source; and first and second frames interconnected to form an exterior of the X-ray detector, and tightly coupled to each other to prevent a foreign material from being flowed inside the X-ray detector by blocking a gap between the first and second frames.

Description

[0001] X-RAY IMAGING APPARATUS [0002]

The present invention relates to an X-ray imaging apparatus, and more particularly, to an X-ray imaging apparatus having an improved structure for preventing foreign matter from penetrating.

An X-ray imaging apparatus is an apparatus for acquiring an image of an object using an X-ray. The X-ray imaging apparatus irradiates the object with X-rays, detects the X-rays transmitted through the object, and images the inside of the object in a non-invasive manner. Therefore, the medical X-ray imaging apparatus can be used for diagnosis of injury or illness inside the object which can not be confirmed by the external appearance.

The X-ray imaging apparatus may include an X-ray source for generating an X-ray to irradiate a target object, and an X-ray detector for detecting the X-ray transmitted through the target object. The x-ray source may be movable so as to image various portions of the object. The X-ray detector may be used in a table mode mounted on a photographing table, a stand mode mounted on a photographing stand, or a portable mode not fixed in any one position.

X-ray detectors can be vulnerable to foreign matter. As an example, a foreign object penetrating the inside of the X-ray detector may cause malfunction or malfunction of the components disposed inside the X-ray detector. In particular, the X-ray detector used in the portable mode can be used not only in an indoor space but also in an outdoor space, and thus is more vulnerable to foreign matter. Therefore, it is urgent to provide an alternative to protect the X-ray detector from foreign matter.

One aspect of the present invention provides an X-ray imaging apparatus having an improved structure for preventing foreign matter from penetrating into a terminal portion of an X-ray detector.

Another aspect of the present invention provides an X-ray imaging apparatus having an improved structure for preventing foreign matter from penetrating into the inside of an X-ray detector.

An X-ray photographing apparatus according to an embodiment of the present invention includes an X-ray source for generating and irradiating X-rays, and an X-ray detector for detecting X-rays irradiated from the X-ray source, A scintillator arranged to convert the light into an electric signal, a sensing panel adapted to convert a visible light having passed through the scintillator into an electric signal, and a control unit electrically connected to the sensing panel, A circuit board accommodated in the inside of the X-ray detector, a terminal portion provided on the X-ray detector so that a coupling module electrically connected to the circuit board can be coupled, and a cap opening / closing the terminal portion to prevent foreign substances from entering the terminal portion. .

The cap may be tightly coupled to the terminal portion to prevent the foreign matter from flowing into the terminal portion through a gap between the cap and the terminal portion.

The cap may be detachably coupled to the X-ray detector by a magnetic force so as to open and close the terminal portion.

Wherein the terminal portion is formed in a side frame that forms a side outer surface of the X-ray detector, one end of the cap is fixed to the side frame by a fixing member, and the other end of the cap has a magnetic force Magnetic force) to the side frame.

The side frame may include at least one magnetic member adjacent to the terminal portion, and the cap may include a metal member interacting with the at least one magnetic member and a sealing member to which the metal member is coupled.

The sealing member may include a first surface facing the outer side of the X-ray detector, and the metal member may be coupled to the first engagement portion provided on the first surface.

The sealing member includes a second surface facing the inner side of the X-ray detector so as to face the terminal portion, and a second coupling portion protruding toward the terminal portion is provided on the second surface so as to be in close contact with the inner surface of the terminal portion .

Wherein the sealing member includes a second surface facing the inward direction of the X-ray detector so as to face the terminal portion, and the metal member is coupled to the first engaging portion provided on the second surface so as to directly face the at least one magnetic body .

The side frame may include at least one magnetic member adjacent to the terminal portion, and the cap may include a metal member interacting with the at least one magnetic member, and a sealing member having the metal member embedded therein.

Wherein at least one magnetic member is provided in the side frame so as to be adjacent to the terminal portion, the cap including at least a metal member interacting with the at least one magnetic member and at least a portion of the metal member extending toward the inner direction of the X- And a sealing member having a bent portion.

The side frame may be provided with a seating portion formed to be recessed so that the bent portion can be seated.

Wherein the X-ray detector further comprises a side frame having a side surface and a cap mounting portion to which the cap is detachably coupled, wherein the cap mounting portion includes a first region in which the terminal portion and at least one magnetic body are provided, And a second region provided along the outer edge of the region, and the second region may be provided with a rib protruding toward the outer direction of the X-ray detector.

Wherein the cap includes a metallic member interacting with the at least one magnetic body and a sealing member surrounding at least a portion of the metallic member, wherein the sealing member is in line contact with the rib when the cap is coupled to the cap mounting portion, can do.

An X-ray photographing apparatus according to an embodiment of the present invention includes an X-ray source for generating and irradiating an X-ray, and an X-ray detector for detecting an X-ray irradiated from the X-ray source, And a cap that is fixedly coupled to the X-ray detector and opens and closes the terminal unit to prevent foreign matter from entering the terminal unit.

An X-ray photographing apparatus according to an embodiment of the present invention includes an X-ray source for generating and irradiating an X-ray, an X-ray detector for detecting an X-ray irradiated from the X-ray source and a first frame for forming an outer appearance of the X- And the first frame and the second frame may be tightly coupled to each other to block a gap between the first frame and the second frame and prevent foreign matter from entering the inside of the X-ray detector .

A sealing member may be provided on the first frame along a joining portion of the first frame and the second frame, and a coupling groove may be provided on the second frame to closely contact the sealing member.

A protruding pattern may be formed on any one of the first frame and the second frame along the joining portion of the first frame and the second frame.

The other one of the first frame and the second frame may be provided with an adhesive member which is closely contacted with the protruding pattern.

The adhesive member may include a waterproof tape.

The adhesive member may include at least one of a double-sided adhesive member and a single-sided adhesive member.

The first frame may include a side frame that forms a side surface of the X-ray detector, and the second frame may include a bottom frame coupled to the side frame to form a bottom surface of the X-ray detector.

A protrusion pattern protruding toward the bottom frame along the edge of the side frame may be formed on one side of the side frame facing the bottom frame.

An adhesive member may be provided on one side of the bottom frame facing the side frame along the edge of the bottom frame so as to be closely contacted with the protruding pattern.

Wherein the first frame includes a bottom frame having a bottom surface of the X-ray detector and having a battery accommodating portion in which a battery can be received, and the second frame opens / closes the battery accommodating portion, And a battery cover that is tightly coupled to the battery receiving portion to prevent foreign matter from entering.

A sealing member may be provided on one side of the battery cover facing the battery housing unit along the edge of the battery cover.

The sealing member may be integrally formed with the battery cover through a double injection.

The bottom frame may be provided with a coupling groove along the periphery of the battery receiving portion so that the sealing member is tightly coupled.

Wherein the battery cover includes at least one engaging rib provided on an outer side of the sealing member so as to protrude outwardly of the battery cover and the at least one engaging rib is provided on the bottom frame As shown in Fig.

Wherein the battery cover is fixedly coupled to the bottom frame by an engaging member having a protrusion when the battery cover is fixedly coupled to the bottom frame by the engagement of the at least one engaging rib and the at least one fixing groove, The battery cover may further include a fastening portion that fastens or separates the protrusion according to rotation of the fastening member.

By providing a cap having a sealing member at the terminal portion of the X-ray detector to which the coupling module is coupled, the terminal portion of the X-ray detector can be prevented from being exposed to the foreign substance.

The sealing member is disposed between the bottom frame to which the battery cover and the battery cover are coupled, thereby preventing foreign matter from penetrating into the battery terminal portion.

It is possible to improve the degree of close contact between the bottom frame and the side frame by forming a protruding pattern on the side frame that engages with the bottom frame so as to press the adhesive member provided along the edge of the bottom frame.

1 is a perspective view illustrating an X-ray imaging apparatus according to an embodiment of the present invention;
2 is an exploded perspective view showing an X-ray imaging apparatus according to an embodiment of the present invention.
3 is a front view showing an operation device of an X-ray imaging apparatus according to an embodiment of the present invention.
4 is a cross-sectional view illustrating an internal structure of an X-ray tube of an X-ray imaging apparatus according to an embodiment of the present invention
5 is a view schematically showing the structure of a sensing panel of an X-ray imaging apparatus according to an embodiment of the present invention.
Fig. 6 is a circuit diagram schematically showing a single pixel region of the sensing panel shown in Fig. 5
7 is a view illustrating a method of mounting an X-ray detector of an X-ray photographing apparatus to a photographing table according to an embodiment of the present invention
8 is a view illustrating a method in which an X-ray detector of an X-ray photographing apparatus according to an embodiment of the present invention is mounted on a photographing stand
9 is a view illustrating a case where the X-ray detector of the X-ray imaging apparatus according to the embodiment of the present invention is in the portable mode
10 to 12 are views showing another example of the position of the table coupling module, the stand coupling module, and the portable coupling module in the X-ray imaging apparatus according to the embodiment of the present invention
13 is a perspective view showing an X-ray detector of an X-ray imaging apparatus according to an embodiment of the present invention.
14 is a bottom perspective view showing an X-ray detector of an X-ray imaging apparatus according to an embodiment of the present invention.
15 is an exploded perspective view showing an X-ray detector of an X-ray imaging apparatus according to an embodiment of the present invention.
16 is an exploded perspective view showing a cap of an X-ray imaging apparatus according to an embodiment of the present invention.
17 is a view showing the inside of the cap of the X-ray imaging apparatus according to the embodiment of the present invention
FIG. 18 is a cross-sectional view of the X-ray detector of FIG. 13 taken along the line A-A 'so that the first coupling structure of the terminal portion and the cap of the X-ray detector can be seen in the X-ray imaging apparatus according to the embodiment of the present invention
19 is a view showing the terminal structure of the X-ray detector and the second coupling structure of the cap, in the X-ray photographing apparatus according to the embodiment of the present invention.
FIG. 20 is a cross-sectional view of the X-ray photographing apparatus according to the embodiment of the present invention showing the terminal structure of the X-ray detector and the third coupling structure of the cap.
FIG. 21 is a view showing an X-ray imaging apparatus according to an embodiment of the present invention, in which the terminal part of the X-ray detector and the fourth coupling structure of the cap are shown
22 is a view showing a cap of an X-ray imaging apparatus according to another embodiment of the present invention
23 is a view showing a cap of an X-ray imaging apparatus according to still another embodiment of the present invention
24 is a perspective view showing a battery cover of an X-ray imaging apparatus according to an embodiment of the present invention.
Fig. 25 is a perspective view showing one side of the bottom frame to which the battery cover of Fig.
26 is an enlarged view of a part of Fig. 25
FIG. 27 is a cross-sectional view of the X-ray detector of FIG. 14 cut into B-B 'so that the first coupling structure of the battery cover and the bottom frame can be seen in the X-ray imaging apparatus according to the embodiment of the present invention
28 is a view schematically showing a second coupling structure of a battery cover and a bottom frame in an X-ray imaging apparatus according to an embodiment of the present invention;
29 is a view schematically showing a third coupling structure of a battery cover and a bottom frame in an X-ray imaging apparatus according to an embodiment of the present invention;
30 is a bottom perspective view showing a side frame of an X-ray imaging apparatus according to an embodiment of the present invention;
31 is an enlarged view of a part of Fig. 30
32 is a perspective view showing an inner surface of a bottom frame of an X-ray imaging apparatus according to an embodiment of the present invention;
FIG. 33 is a sectional view of the X-ray detector of FIG. 13 taken along line C-C 'so that the coupling structure of the side frame and the bottom frame can be seen in the X-ray imaging apparatus according to the embodiment of the present invention

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The terms "front", "rear", "upper", "lower", "upper" and "lower" used in the following description are defined with reference to the drawings. The position is not limited.

FIG. 1 is a perspective view illustrating an X-ray photographing apparatus according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view illustrating an X-ray photographing apparatus according to an embodiment of the present invention. 3 is a front view showing an operation device of an X-ray imaging apparatus according to an embodiment of the present invention.

1 to 3, the X-ray imaging apparatus 1 includes a guide rail 40, a movable carriage 45, a post frame 50, a motor 110, an X-ray source 70, an X- 300, an operating device 80, and a workstation 170. The X-ray photographing apparatus 1 may further include a photographing table 10 and a photographing stand 20 on which the X-ray detector 300 can be mounted.

The guide rail 40, the movable carriage 45, the post frame 50, and the like are provided to move the X-ray source 70 toward the target object.

The guide rail 40 may include a first guide rail 41 and a second guide rail 42 installed at predetermined angles with respect to each other. It is preferable that the first guide rail 41 and the second guide rail 42 extend in directions perpendicular to each other.

The first guide rail 41 may be installed on the ceiling of the examination room where the X-ray imaging apparatus 1 is disposed.

The second guide rail 42 is positioned below the first guide rail 41 and can be slidably mounted on the first guide rail 41. A roller (not shown) which can be moved along the first guide rail 41 may be installed on the first guide rail 41. The second guide rail 42 is connected to the roller (not shown) and can move along the first guide rail 41.

A first direction D1 is defined in a direction in which the first guide rail 41 extends and a second direction D2 is defined in a direction in which the second guide rail 42 extends. Therefore, the first direction D1 and the second direction D2 are orthogonal to each other and can be parallel to the ceiling of the examination room.

The movable carriage 45 may be disposed below the second guide rail 42 so as to be movable along the second guide rail 42. The moving carriage 45 may be provided with a roller (not shown) provided to move along the second guide rail 42. The movable carriage 45 is movable in the first direction D1 along with the second guide rail 42 and is movable in the second direction D2 along the second guide rail 42. [ The post frame 50 is fixed to the movable carriage 45 and is located below the movable carriage 45. The post frame 50 may have a plurality of posts 51,52,53,54,55.

The plurality of posts 51, 52, 53, 54, and 55 may be foldably connected to each other. The post frame 50 can be increased or decreased in length in the vertical direction of the examination chamber while being fixed to the moving carriage 45. [

A third direction D3 is defined in a direction in which the length of the post frame 50 increases or decreases. Therefore, the third direction D3 can be orthogonal to the first direction D1 and the second direction D2.

The X-ray source 70 is a device for irradiating an object with x-rays. Here, the object may be a living body of a human being or an animal, but the present invention is not limited thereto, and it may be a target object if its internal structure can be imaged by the X-ray imaging apparatus 1.

The x-ray source 70 may include an x-ray tube 71 for generating an x-ray and a collimator 72 for guiding the generated x-ray toward the object. The x-ray tube 71 ) Will be described later in detail.

A rotary joint 60 may be disposed between the x-ray source 70 and the post frame 50.

The rotational joint 60 couples the x-ray source 70 to the post frame 50 and supports the load acting on the x-ray source 70.

The rotary joint 60 may include a first rotary joint 61 connected to the lower end post 51 of the post frame 50 and a second rotary joint 62 connected to the X-

The first rotary joint 61 may be provided so as to be rotatable about a center axis of the post frame 50 extending in the vertical direction of the examination room. Therefore, the first rotary joint 61 can rotate on a plane perpendicular to the third direction D3. At this time, the rotation direction of the first rotary joint 61 can be newly defined, and the newly defined fourth direction D4 is the rotation direction of the axis parallel to the third direction D3.

The second rotary joint 62 may be provided so as to be rotatable in a plane perpendicular to the ceiling of the examination room. Therefore, the second rotary joint 62 can rotate in the rotating direction of the axis parallel to the first direction D1 or the second direction D2. At this time, the rotation direction of the second rotary joint 62 can be newly defined, and the newly defined fifth direction D5 is the rotation direction of the shaft extending in the first direction D1 or the second direction D2 . The x-ray source 70 may be connected to the rotary joint 60 and rotated in the fourth direction D4 and the fifth direction D5. The X-ray source 70 may be connected to the post frame 50 by the rotary joint 60 and linearly move in the first direction D1, the second direction D2 and the third direction D3.

A motor 110 may be provided to move the x-ray source 70 in the first direction D1 to the fifth direction D5. The motor 110 may be an electronically driven motor, and the motor 110 may include an encoder.

The motor 110 may include a first motor 111, a second motor 112, a third motor 113, a fourth motor 114 and a fifth motor 115 corresponding to the respective directions .

Each of the motors 110 can be disposed at various positions in consideration of design convenience. For example, the first motor 111 for moving the second guide rail 42 in the first direction D1 is disposed around the first guide rail 41, and moves the movable carriage 45 in the second direction And the third motor 113 for increasing or decreasing the length of the post frame 50 in the third direction D3 is disposed in the vicinity of the second guide rail 42. [ May be disposed within the mobile carriage 45. [ The fourth motor 114 for rotating the X-ray source 70 in the fourth direction D4 is disposed around the first rotary joint 61 and the X-ray source 70 is rotated in the fifth direction D5 And the fifth motor 115 rotating and moving may be disposed around the second rotary joint 62. [

Each motor 110 may be connected to power transmission means (not shown) to linearly or rotationally move the x-ray source 70 in the first direction D1 to the fifth direction D5. The power transmission means (not shown) may be a commonly used belt and pulley, chain and sprocket, shaft, and the like.

One side of the x-ray source 70 may be provided with an operating device 80 for providing an interface by a user. Here, the user may be a medical staff including a doctor, a radiologist, a nurse or the like who performs diagnosis of a target object by using the X-ray imaging apparatus 1, but the present invention is not limited thereto, Anyone can become a user.

As shown in Fig. 3, the operating device 80 includes a first display portion 81 and a button 84, allowing the user to input various information related to the X-ray imaging or to operate the respective devices. At this time, the first display unit 81 may be applied to a cathode ray tube (CRT), a liquid crystal display (LCD), an organic light emitting diode (LED) But is not limited thereto.

The button 84 may include a rotation selection button 84 that is operated when the user rotates the X-ray source 70 in the fourth direction D4 or the fifth direction D5. That is, when rotating the X-ray source 70 in the fourth direction D4, the user can press the fourth direction rotation selection button 85 and then rotate the X-ray source 70 in the fourth direction D4 When the user rotates the X-ray source 70 in the fifth direction D5 after pressing the rotation selection button 84 in the fifth direction D5, Or the X-ray source 70 can be rotated in the fifth direction D5 while the fifth direction rotation selection button 86 is pressed. It is a matter of course that the position of the rotation selection button 84 shown in FIG.

In addition, the operating device 80 may include a handle 82 that the user can grasp. The user can move the x-ray source 70 by grasping the handle 82 of the operating device 80 and applying a force or a torque. This is defined as manual movement mode. The movement of the x-ray source 70 can be controlled by a motor control (not shown), which is defined as an automatic movement mode. 3, the handle 82 is provided at the lower portion of the operating device 80, but this is merely an example, and may be provided at another position of the operating device 80. Fig.

The X-ray detector 300 is an apparatus for detecting X-rays transmitted through a target object. The X-ray detector 300 has a front surface on which an X-ray is incident, and a detection panel 330 (see FIG. 5) may be provided in the X-ray detector 300. A plurality of pixels 150 (see FIG. 5) that are sensitive to X-rays may be arranged in a matrix form on the sensing panel 330. A handle 131 is provided at the upper center of the X-ray detector 300 so that the user can move or carry the X-ray detector 300.

The X-ray detector 300 can operate in various shooting modes according to the position at the time of X-ray photographing. Specifically, it may be operated in a table mode mounted on the photographing table 10 or in a stand mode mounted on the photographing stand 20, or may be operated in the stand mode without being mounted on the photographing table 10 or the photographing stand 20, And may be operated in a portable mode in which it is disposed at an arbitrary position along the region. Particularly, each of the photographing table 10 and the photographing stand 20 is provided with a receiving portion for mounting the X-ray detector 300. The receiving portion provided in the photographing table 10 is defined as a first receiving portion 15 And the accommodating portion provided in the photographing stand 20 is defined as the second accommodating portion 25. [ The second accommodating portion 25 is provided so as to be movable in the longitudinal direction of the support table 22 and to be rotatable in the rotational direction of the axis perpendicular to the longitudinal direction of the support table 22, as shown in Fig. In this case, the longitudinal direction of the support table 22 is defined as the sixth direction D6, and the rotation direction of the axis perpendicular to the sixth direction D6 is defined as the seventh direction D7.

The workstation 170 includes an input unit 171 and a second display unit 172 and provides a user interface similar to the operation device 80. [ Accordingly, the user can input various information related to the X-ray imaging through the workstation 170 or operate the respective devices. In addition, the user can input various commands related to the operation of the X-ray imaging apparatus 1, such as a selection command of a photographing position, a start command of X-ray imaging, etc., via the workstation 170. In addition, the user can check the image obtained through the X-ray photographing process through the work station 170. [

The input unit 171 may include at least one of a switch, a keyboard, a trackball, a mouse, and a touch screen. The input unit 171 may be displayed on the second display unit 172 when the GUI is implemented as a GUI (Graphical User Interface) such as a touch screen. The second display unit 172 may include a cathode ray tube (CRT), a liquid crystal display (LCD), an organic light emitting diode (LED), or the like as the first display unit 81 But is not limited thereto.

The work station 170 may include a variety of processing devices such as a central processing unit (CPU), a graphic processing unit (GPU), and a printed circuit board. A kind of storage device may also be built in. Accordingly, the workstation 170 is provided with a main component such as a control unit (not shown) of the X-ray photographing apparatus 1 to perform various judgments for the operation of the X-ray photographing apparatus 1, Can be generated.

The work station 170 having such a configuration can be provided in a separate independent space S where the X-ray is blocked and can be connected to the X-ray source 70 and the X-ray detector 300 through wire communication or wireless communication.

The X-ray source 70 generates an X-ray and irradiates the X-ray to a target object. The X-ray source 70 may include an X-ray tube 71 as shown in FIG. 4 for generating an X-ray. 4 is a cross-sectional view illustrating an internal structure of an X-ray tube of an X-ray imaging apparatus according to an embodiment of the present invention.

The X-ray tube 71 may be a bipolar tube including an anode 71c and a cathode 71e, and the tube may be a glass tube 71a made of a material such as a hard silica glass.

The cathode 71e includes a filament 71h and a focusing electrode 71g for focusing electrons and the focusing electrode 71g is also called a focusing cup. The inside of the glass tube 71a is made to a high vacuum state of about 10 mmHg and the filament 71h of the cathode is heated to a high temperature to generate thermoelectrons. As an example of the filament 71h, a tungsten filament can be used, and the filament 71h can be heated by applying an electric current to the electric wire 71f connected to the filament. However, the embodiment of the disclosed invention is not limited to the use of the filament 71h in the cathode 71e, and it is also possible to use a carbon nanotube which can be driven by a high-speed pulse, as the cathode.

The anode 71c is mainly made of copper and the target material 71d is coated or disposed on the side facing the cathode 71e and the target material is a high resistance material such as Cr, Fe, Co, Ni, Can be used. The higher the melting point of the target material, the smaller the focal spot size.

When a high voltage is applied between the cathode 71e and the anode 71c, the thermoelectrons are accelerated and collide with the target material 71d of the anode to generate X-rays. The generated X-rays are irradiated to the outside through the window 71i, and a beryllium (Be) thin film can be used as the material of the window.

The target material 71d can be rotated by the rotor 71b and the heat accumulation ratio can be increased by 10 times or more per unit area as compared with the case where the target material 71d is rotated and the focus size is reduced .

The voltage applied between the cathode 71e and the anode 71c of the X-ray tube 71 is referred to as a tube voltage, and its magnitude can be expressed by the peak value kvp. As the tube voltage increases, the speed of the thermoelectrons increases and consequently the energy (photon energy) of the x-ray generated by collision with the target material increases. The current flowing through the X-ray tube 71 is referred to as a tube current and can be expressed as an average value mA. When the tube current increases, the dose of the X-ray (the number of the X-ray photons) increases. That is, the energy of the X-ray can be controlled by the tube voltage, and the dose of the X-ray can be controlled by the tube current and the exposure time of the X-ray.

The X-ray detector 300 is a device for detecting X-rays transmitted through an object irradiated from the X-ray source 70. Detection of such X-rays is performed in the detection panel 330 inside the X-ray detector 300. In addition, the detection panel 330 converts the detected X-rays into electrical signals to acquire images inside the object.

The sensing panel 330 can be classified according to a material construction method, a method of converting detected x-rays into an electrical signal, and a method of acquiring an electrical signal.

First, the sensing panel 330 is divided into a case where the sensing panel 330 is composed of a single type device and a case where the sensing panel 330 is composed of a horn molding device.

In the case of a single-element device, it corresponds to a case where a part for detecting an X-ray to generate an electric signal and a part for reading and processing an electric signal are made of a single material semiconductor or manufactured by a single process. For example, (Charge Coupled Device) or CMOS (Complementary Metal Oxide Semiconductor), which are devices.

In the case of a horn-forming device, a portion for detecting an X-ray to generate an electrical signal and a portion for reading and processing an electrical signal are made of different materials or are manufactured by different processes. For example, when an X-ray is detected using a light receiving element such as a photodiode, a CCD, or a CdZnTe, and an electrical signal is read and processed by using a CMOS ROIC (Read Out Integrated Circuit), a strip detector is used to detect the X- When reading and processing electrical signals using ROIC and when using an a-Si or a-Se flat panel system.

The detection panel 330 is divided into a direct conversion method and an indirect conversion method according to a method of converting an X-ray into an electrical signal.

In the direct conversion system, when the X-ray is irradiated, the electron-hole pairs are temporarily generated inside the light-receiving element, the electrons move to the anode and the holes move to the cathode due to the electric field applied to both ends of the light- This converts this movement into an electrical signal. The materials used for the light-receiving element in the direct conversion system include a-Se, CdZnTe, HgI2, and PbI2.

In the indirect conversion method, an X-ray irradiated from an X-ray source 70 reacts with a scintillator to emit a photon having a wavelength in the visible light region, and the light receiving element detects the photon and converts it into an electrical signal. In the indirect conversion method, a-Si is used as a light-receiving element. As the scintillator, a GADOX scintillation thin film, a micro-columnar or needle-structured CSI (T1) is used.

In addition, the sensing panel 330 includes a charge accumulation mode (Charge Integration Mode) in which charges are stored for a predetermined period of time and a signal is obtained therefrom, and a charge accumulation mode (Photon counting mode).

For the sake of convenience, the sensing panel 330 may be a direct conversion system for directly acquiring an electric signal from an X-ray, a sensor chip for detecting an X-ray, and a readout circuit chip The hybrid method and the photon counting method are applied.

The sensing panel 330 may have a two-dimensional array structure including a plurality of pixels 150 as shown in FIG. 5 is a view schematically showing the structure of a sensing panel of an X-ray imaging apparatus according to an embodiment of the present invention.

5, the sensing panel 330 may include a light receiving element 121 for detecting an X-ray and generating an electric signal, and a read-out circuit 122 for reading the generated electric signal.

As the light receiving element 121, a single crystal semiconductor material may be used to secure a high resolution, a fast response time, and a high dynamic range at a low energy and a small dose. The single crystal semiconductor material used in this case is Ge, CdTe, CdZnTe, GaAs .

The light receiving element 121 can form a PIN photodiode shape in which a p-type semiconductor substrate 121c of a two-dimensional array structure is bonded to a lower portion of the n-type semiconductor substrate 121b having a high resistance.

The readout circuit 122 using a CMOS (Complementary Metal Oxide Semiconductor) process forms a two-dimensional array structure and can be coupled to the p-type semiconductor substrate 121c of the light receiving element 121 for each pixel 150. [ In this case, a flip-chip bonding method may be used in which a bump 123 such as solder (PbSn) or indium (In) is formed and then reflowed and heat is applied to press.

FIG. 6 is a circuit diagram schematically showing a single pixel region of the sensing panel shown in FIG. 5; FIG.

6, when a photon of an X-ray is incident on the light receiving element 121, electrons in the valance band receive the energy of the photon and change the band gap energy difference It is excited as a conduction band. As a result, electron-hole pairs are generated in the depletion region where electrons and holes are not present.

When a metal electrode is formed on each of the p-type layer and the n-type substrate of the light receiving element 121 and a reverse bias is applied thereto, electrons in the electron-hole pairs generated in the depletion region are attracted to the n- Goes. Then, the holes drawn into the p-type region are input to the read circuit 122 through the bumps 123. [

The charge input to the read circuit 122 is transferred to a pre-amplifier 122a, and a voltage signal corresponding thereto is output.

The voltage signal output from the preamplifier 122a is transmitted to the comparator 122b. The comparator 122b compares the externally controllable threshold voltage with the input voltage signal and outputs a '1' Or a pulse signal of '0'. That is, the comparator 122b outputs a signal of '1' if the input voltage is greater than the threshold voltage, and outputs a signal of '0' when the input voltage is less than the threshold voltage. The counter 122c counts how many times '1' has occurred and outputs data in a digital form.

The X-ray detector 300 as described above can operate in a table mode, a stand mode, or a portable mode for detecting an X-ray. The position of the X-ray detector 300 in each photographing mode will be described below with reference to FIGS. 7 to 9. FIG. FIG. 7 is a view illustrating a method of mounting an X-ray detector of an X-ray photographing apparatus according to an embodiment of the present invention to a photographing table, FIG. 8 is a view showing an X- As shown in Fig. 9 is a diagram illustrating a case where an X-ray detector of an X-ray imaging apparatus according to an embodiment of the present invention is in a portable mode.

A plurality of combining modules 200 may be provided to correspond to the respective photographing modes. 7 to 9, the coupling module 200 includes a table coupling module 200-1 corresponding to the table mode, a stand coupling module 200-2 corresponding to the stand mode, And a portable combining module 200-3. The position and number of the coupling module 200 are merely examples. In another example, it is also possible that only the table coupling module 200-1 and the stand coupling module 200-2 are provided or four or more coupling modules are provided Do. However, in the above-described embodiments, an example in which the coupling module 200 includes the table coupling module 200-1, the stand coupling module 200-2, and the portable coupling module 200-3 will be used.

As shown in FIG. 7, the table coupling module 200-1 may be provided in the first accommodating portion 15. As shown in FIG. The X-ray detector 300 can be mounted on the photographing table 10 when the object lying on the photographing table 10 is photographed. To this end, the X- (15). When inserted into the first accommodating portion 15, the X-ray detector 300 is inserted in a state of being parallel to the bottom surface, that is, the plane formed by the x-axis and the y-axis, as shown in Fig. 7 (b), the X-ray detector 300 maintains a state parallel to the bottom surface or parallel to the plane formed by the x-axis and the y-axis . The X-ray detector 300 inserted into the first receiving portion 15 is coupled to the table coupling module 200-1. The X-ray detector 300 is inserted into the first receiving portion 15, The state coupled with the module 200-1 is regarded as a table mode.

As shown in FIG. 8, the stand coupling module 200-2 may be provided in the second accommodating portion 25. As shown in FIG. The X-ray detector 300 can be mounted on the photographing stand 20 when photographing an object standing on the photographing stand 20. For this purpose, the X- (25). The second receiving portion 25 is rotatable in the seventh direction D7 so that when the second receiving portion 25 is inserted into the second receiving portion 25, the X- Or parallel to the plane formed by the x-axis and the z-axis, or may be inserted in a state parallel to the bottom surface or parallel to the plane formed by the x-axis and the y-axis, as shown in the right side of Fig. 8 As shown in FIG. The X-ray detector 300 is inserted into the second accommodating portion 25 and then rotated by the second accommodating portion 25 or the like so that the X-ray detector 300 is moved in a direction perpendicular to the bottom surface State, i.e., a state parallel to the plane formed by the x-axis and the z-axis. The X-ray detector 300 inserted into the second accommodating portion 25 is coupled to the stand coupling module 200-2. The X-ray detector 300 is inserted into the second accommodating portion 25, The state coupled with the module 200-2 is regarded as a stand mode.

The X-ray detector 300 may not be mounted on the photographing table 10 or the photographing stand 20 and may be in a portable state when photographing a moving object as well as a laid-up or standing object. We regard it as portable mode. 9, in the portable mode, the X-ray detector 300 can be combined with the portable combining module 200-3, and the portable combining module 200-3 can perform the easy shooting in the portable mode As shown in FIG. For example, the portable coupling module 200-3 may be positioned on the rear surface of the top plate of the photographing table 10 as shown in Fig.

10 to 12 are views showing another example of the positions of the table coupling module, the stand coupling module, and the portable coupling module in the X-ray imaging apparatus according to the embodiment of the present invention.

10, the table coupling module 200-1 may be provided outside the first receiving portion 15 and may include an X-ray detector 300 inserted into the first receiving portion 15 and a cable (not shown) 36). ≪ / RTI > To this end, the table combining module 200-1 may be disposed at a position adjacent to the photographing table 10.

11, the stand coupling module 200-2 may be provided outside the second receiving portion 25 and may be connected to the X-ray detector 300 inserted into the second receiving portion 25 and the cable 36). ≪ / RTI > To this end, the stand combination module 200-2 may be disposed at a position adjacent to the photographing stand 20.

As shown in FIG. 12, the portable coupling module 200-3 can be coupled with the portable mode X-ray detector 300 through a cable 36. FIG.

Meanwhile, when the X-ray detector 300 is powered by wire and is connected to the work station by wire, the coupling module 200 also plays a role of connecting the external power supply device, the network hub, and the X-ray detector 300 You can do it together. Alternatively, it may be realized by a board on which an electric device is mounted, in addition to a configuration for connecting an external power supply device, a network hub, and the X-ray detector 300.

First, a case where the coupling module 200 includes a configuration for connecting an external power supply device, a network hub, and an X-ray detector 300 will be exemplified. In this case, the coupling module 200 may also be referred to as a power box, but the coupling module 200 is defined by its configuration and operation, and is not defined by its name.

FIG. 13 is a perspective view showing an X-ray detector of an X-ray photographing apparatus according to an embodiment of the present invention, and FIG. 14 is a bottom perspective view showing an X-ray detector of an X-ray photographing apparatus according to an embodiment of the present invention. 15 is an exploded perspective view showing an X-ray detector of an X-ray imaging apparatus according to an embodiment of the present invention. Hereinafter, the foreign matter may include dust, blood, liquid, and the like.

As shown in FIGS. 13 to 15, the X-ray detector 300 may be provided to detect the X-rays irradiated from the X-ray source 70. The X-ray detector 300 may include an insulating substrate 320. The X-ray detector 300 may further include a middle block 120. The X-ray detector 300 may further include a sensing panel 330. The X-ray detector 300 may further include a scintillator 350. The X-ray detector 300 may further include a circuit board 340. The insulating substrate 320 may support the middle block 120 and the sensing panel 330. The middle block 120 may be mounted on one surface of the insulating substrate 320 and the sensing panel 330 may be mounted on one surface of the middle block 120. The scintillator 350 may include a phosphor. The scintillator 350 can convert the incident X-rays into visible light. A cover (not shown) for protecting the scintillator 350 may be disposed on one surface of the scintillator 350. The scintillator 350 may be formed of a metal material such as aluminum.

The top frame 360 may be positioned on the top of the scintillator 350. The top frame 360 may be provided in the form of a carbon plate or the like. A decor sheet (not shown) may be further provided on one side of the top frame 360.

The sensing panel 330 includes a plurality of pixels 150 (see FIG. 5), and each pixel 150 may include a photoelectric conversion element such as a thin film transistor and a photodiode. The sensing panel 330 can read the intensity of light passing through the scintillator 350 in pixel units. The sensing panel 330 may include an electric circuit for transmitting the output of the photoelectric conversion element to the outside.

The circuit board 340 performs an operation for acquiring an image for the object using the data obtained based on the signals read from the sensing panel 330. The circuit board 340 may be housed inside the X-ray detector 300 to control the driving of the X-ray detector 300. The circuit board 340 may include a memory and a computing unit. The memory stores shadow information of the object according to the irradiation angle of the X-ray, and the arithmetic unit can calculate the irradiation angle of the X-ray based on the shadow shape of the object formed on the sensing panel 330 and the shadow information of the memory. The memory and the arithmetic unit may be located outside the X-ray detector 300.

The sensing panel 330 and the circuit board 340 may be electrically connected. Specifically, the sensing panel 330 and the circuit board 340 may be connected by a flexible circuit board 380. A lead-out terminal (not shown) for reading information of the sensing panel 330 may be positioned on the flexible circuit board 380.

The X-ray detector 300 may further include a top frame 360, a side frame 390, and a bottom frame 310 which form an appearance of the X-ray detector 300 by being coupled to each other. The top frame 360 may form an upper surface appearance of the X-ray detector 300. The side frame 390 can form the side surface of the X-ray detector 300. The bottom frame 310 may form the bottom surface of the X-ray detector 300.

The receiver may be formed inside the X-ray detector 300. The insulating substrate 320, the middle block 120, the sensing panel 330, the scintillator 350, and the circuit board 340 may be accommodated in the accommodating portion. In other words, the top frame 360, the side frame 390, and the bottom frame 310 are coupled to each other to form an insulating substrate 320, a middle block 120, a sensing panel 330, a scintillator 350, A receiving portion capable of receiving the circuit board 340 can be formed. The middle block 120, the sensing panel 330, the scintillator 350, and the circuit board 340 by the top frame 360, the side frame 390, and the bottom frame 310 The configuration can be protected from external impacts. The bottom frame 310 may be formed of the same material as the top frame 360.

The X-ray detector 300 may further include a battery (not shown) accommodated in the receiving portion.

The X-ray detector 300 may further include a battery cover 400 capable of opening and closing a part of the accommodating portion so that the battery accommodated in the accommodating portion can be separated. The battery cover 400 may be detachably coupled to the lower portion of the bottom frame 310.

The X-ray detector 300 may further include a terminal portion 410 to which the coupling module 200 is coupled. The terminal portion 410 may be provided on the X-ray detector 300 so that the coupling module 200 can be coupled. In other words, the terminal portion 410 may be provided on the X-ray detector 300 so that the coupling module 200 electrically connected to the circuit board 340 can be coupled. That is, the coupling module 200 can be electrically connected to the circuit board 340 through the coupling with the terminal portion 410. Specifically, the terminal portion 410 may be formed on one side of the side frame 390. The terminal portion 410 will be described later in detail.

The X-ray detector 300 may further include a cap 420 installed to prevent foreign substances from entering the terminal unit 410 to which the coupling module 200 is coupled. The cap 420 will be described in detail later.

FIG. 16 is an exploded perspective view of a cap of an X-ray imaging apparatus according to an embodiment of the present invention, and FIG. 17 is an inside view of a cap of an X-ray imaging apparatus according to an embodiment of the present invention. FIG. 18 is a cross-sectional view of the X-ray detector of FIG. 13 taken along line A-A 'so that the first coupling structure of the terminal portion and the cap of the X-ray detector can be seen in the X-ray imaging apparatus according to the embodiment of the present invention. Hereinafter, the foreign matter may include dust, blood, liquid, and the like.

16 to 18, the X-ray detector 300 may further include a terminal portion 410 to which the coupling module 200 is coupled. The terminal portion 410 may be formed on one side of the side frame 390. The terminal portion 410 may have magnetic properties. Accordingly, the coupling module 200 can be coupled to the terminal portion 410 by magnetism. Specifically, the coupling module 200 may be provided with a magnetic body (not shown) having a different polarity from the terminal portion 410 so as to be coupled to the terminal portion 410.

The X-ray detector 300 may further include a cap 420 installed to prevent foreign substances from entering the terminal unit 410 to which the coupling module 200 is coupled. In other words, the X-ray detector 300 may further include a cap 420 for opening and closing the terminal unit 410 by fixing at least one end thereof to the X-ray detector 300 so as to prevent foreign matter from flowing into the terminal unit 410 have. It is sufficient that the cap 420 can open and close the terminal portion 410 and is not limited to the case where at least one end of the cap 420 is fixedly coupled to the X-ray detector 300.

The cap 420 may be coupled to the side frame 390 to open and close the terminal portion 410 to which the coupling module 200 is coupled. At least one end of the cap 420 may be fixedly coupled to the side frame 390. Specifically, one end of the cap 420 may be fixedly coupled to the side frame 390 by a fixing member 430 such as a bolt. The cap 420 can be rotated about the fixing member 430 with one end fixed to the side frame 390. The cap 420 may be detachably coupled to the X-ray detector 300 by a magnetic force so as to open and close the terminal unit 410. In other words, one end of the cap 420 is fixed to the side frame 390 by the fixing member 430, and the other end of the cap 420 is fixed to the side frame 390 by a magnetic force 390). ≪ / RTI > The other end of the cap 420 may be detachably coupled to at least one magnetic body 411 provided on the side frame 390 so as to be adjacent to the terminal portion 410 by a magnetic force.

The cap 420 may include a metal member 421.

The metal member 421 can interact with at least one magnetic body 411 provided around the terminal portion 410. The metal member 421 may include, for example, stainless steel.

The cap 420 may further include a sealing member 422. The sealing member 422 can engage with the metal member 421. The sealing member 422 may cover at least a part of the metal member 421. The sealing member 422 may comprise rubber and silicon. However, the sealing member 422 may be a material having elasticity, and is not limited to rubber and silicon.

The sealing member 422 may include a first surface 422a facing the outside of the x-ray detector 300 and a second surface 422b facing the inside of the x-ray detector 300. The first surface 422a and the second surface 422b may correspond to each other. The second surface 422b may face the terminal portion 410. The first surface 422a may be provided with a first engaging portion 423 to which the metal member 421 can be coupled. The second surface 422b may be provided with a second engaging portion 424 protruding toward the inner side of the X-ray detector 300 so as to be coupled to the terminal portion 410. In other words, the second surface 422b may be provided with a second engaging portion 424 protruding toward the terminal portion 410 so as to be in close contact with the inner surface of the terminal portion 410. The cap 420 may be tightly coupled to the terminal portion 410 to prevent foreign matter from flowing into the terminal portion 410 through the gap between the cap 420 and the terminal portion 410. That is, the second engaging portion 424 can be coupled to the terminal portion 410 so that the outer surface of the second engaging portion 424 can be in close contact with the inner surface of the terminal portion 410.

The sealing member 422 may further include a fixing hole 425 that allows the fixing member 430 to pass through. The fixing member 430 can penetrate the fixing hole 425 of the sealing member 422 and fix one end of the cap 420 to the side frame 390. [

The sealing member 422 may further include a bent portion 422c. The bent portion 422c may extend toward the inside of the X-ray detector 300. [ The bending section 422c includes a first bent part extending from the upper end of the sealing member 422 toward the inner side of the X-ray detector 300 and a second bent part extending from the lower end of the sealing member 422 And a second bent portion extending toward the inner side.

The side frame 390 may be provided with a seating portion 392 formed in a recessed shape so that the bent portion 422c can be seated. The seat portion 392 may include a first seat portion formed to be recessed from the upper end of the side frame 390 so that the first bending portion can be seated and a second seating portion formed from the lower end of the side frame 390 so that the second bending portion can be seated. And a second seating portion formed to be recessed.

FIG. 19 is a view showing a second coupling structure of a terminal portion and a cap of an X-ray detector in an X-ray imaging apparatus according to an embodiment of the present invention. FIG. Hereinafter, a description overlapping with the first coupling structure of the terminal portion 410 of the X-ray detector 300 and the cap 420 will be omitted.

The X-ray detector 300 may further include a dam structure. The dam structure may be formed in any one of the cap 420 and the side frame 390. Specifically, the dam structure may be formed on any one of the cap mounting portion 480 formed on the cap 420 and the side frame 390. The cap mounting portion 480 may be provided at a portion of the side frame 390 so that the cap 420 can be detachably coupled. The dam structure may be realized in the form of ribs 490. The dam structure reduces the foreign matter blocking effect on the terminal portion 410 by reducing the contact area between the cap 420 and the cap mounting portion 480 and concentrating the pressing force between the cap 420 and the cap mounting portion 480 on the dam structure Maximize. Hereinafter, a case in which a dam structure is formed in the cap mounting portion 480 as shown in FIG. 19 will be mainly described.

As shown in FIG. 19, the cap mounting portion 480 may include a first region 481 and a second region 482. The first region 481 may include a terminal portion 410 and at least one magnetic body 411. The second region 482 may be provided along the outer edge of the first region 481. The second area 482 may be provided with a rib 490 protruding toward the outer side of the X-ray detector 300. The ribs 490 may be formed to surround the first region 481. In other words, the ribs 490 may be in the shape of a closed curve surrounding the first region 481. However, the shape of the ribs 490 is not limited to the closed curve but can be variously modified.

The cap 420 may include a metal member 421 and a sealing member 422. The metal member 421 can interact with at least one magnetic body 411. The sealing member 422 may cover at least a part of the metal member 421. The sealing member 422 may be in line contact with the ribs 490 when the cap 420 is coupled to the cap mounting portion 480.

20 is a view showing a third coupling structure of a terminal portion and a cap of an X-ray detector in an X-ray imaging apparatus according to an embodiment of the present invention. Hereinafter, the overlapping description of the first coupling structure and the second coupling structure of the terminal portion 410 of the X-ray detector 300 and the cap 420 will be omitted. Hereinafter, a case in which a dam structure is formed in the cap 420 as shown in FIG. 20 will be mainly described.

The ribs 490 may be provided on the cap 420 so as to protrude toward the inside of the X-ray detector 300, as shown in FIG. Specifically, the ribs 490 may be provided on the sealing member 422 so as to protrude toward the inside of the X-ray detector 300. The ribs 490 may be formed on the second surface 422b of the sealing member 422 facing the inside of the x-ray detector 300. The ribs 490 may be formed on the outer side of the second engaging portion 424. The second region 482 of the cap mounting portion 480 may be in line contact with the rib 490 when the cap 420 is coupled to the cap mounting portion 480. [

FIG. 21 is a view showing a fourth coupling structure of a terminal portion and a cap of an X-ray detector in an X-ray imaging apparatus according to an embodiment of the present invention. FIG. Hereinafter, a description overlapping with the first coupling structure of the terminal portion 410 of the X-ray detector 300 and the cap 420 will be omitted.

The cap 420 may be fixedly coupled to the side frame 390 by a fixing screw 495 so as to cover the terminal portion 410. As shown in Fig. In this case, at least one magnetic body 411 may be omitted.

The cap 420 may include a metal member 421 and a sealing member 422 surrounding at least a portion of the metal member 421. The metal member 421 may be coupled to the first engaging portion 423 formed on the first surface 422a of the sealing member 422. [ The fixing screw 495 may be fixed to one side of the side frame 390 adjacent to the terminal portion 410 through the cap 420. [ The fixed screw 495 penetrates through the first engaging portion 423 of the cap 420 and the metal member 421 to be engaged with the terminal portion 410 and the side frame 390 adjacent to the terminal portion 410. [ And can be fixed to one side.

22 is a view showing a cap of an X-ray imaging apparatus according to another embodiment of the present invention. Hereinafter, a description overlapping with the cap 420 will be omitted.

22, the cap 520 may include a metal member 421 interacting with at least one magnetic body 411 and a sealing member 422 surrounding at least a portion of the metal member 421 . The metal member 421 may be coupled to the second surface 422b of the sealing member 422 facing the inside of the x-ray detector 300 so as to directly face the at least one magnetic body 411. [ The first engaging portion 423 to which the metal member 421 is engaged may be formed on the second surface 422b of the sealing member 422 and the second engaging portion 423 may be formed on the second surface 422b of the sealing member 422, (424) may be omitted.

23 is a view showing a cap of an X-ray imaging apparatus according to another embodiment of the present invention. Hereinafter, a description overlapping with the cap 420 will be omitted.

23, the cap 620 may include a metal member 421 interacting with at least one magnetic body 411 and a sealing member 422 having a metal member 421 embedded therein . In other words, the sealing member 422 can cover the entire surface of the metal member 421. In this case, the first engaging portion 423 to which the metal member 421 is engaged may be omitted. The second engaging portion 424 which is in close contact with the inner surface of the terminal portion 410 may be formed on the second surface 422b of the sealing member 422. [

The metal member 421 and the sealing member 422 may be formed integrally with the caps 420, 520, and 620 through insert injection.

The caps 420 and 520 may be formed by engaging the metal member 421 with the injection molded sealing member 422 as well as insert injection. At this time, the metal member 421 can be bonded to the sealing member 422 by an adhesive member.

FIG. 24 is a perspective view illustrating a battery cover of an X-ray imaging apparatus according to an embodiment of the present invention, and FIG. 25 is a perspective view illustrating a bottom surface of a bottom frame to which the battery cover of FIG. 24 is coupled. Fig. 26 is an enlarged view of a part of Fig. 25, Fig. 27 is a sectional view of the X-ray imaging apparatus according to the embodiment of the present invention, showing the first coupling structure of the battery cover and the bottom frame, Sectional view taken along line B-B 'in Fig. Hereinafter, the foreign matter may include dust, blood, liquid, and the like.

24 to 27, the bottom frame 310 and the battery cover 400 are provided with the bottom frame 310 and the battery cover 400 by improving the degree of close contact between the bottom frame 310 and the battery cover 400. [ 400 to prevent foreign matter from flowing through the gap between the first and second electrodes.

The bottom frame 310 may be provided with a battery accommodating portion 311 capable of accommodating a battery (not shown). The battery accommodating portion 311 can be opened and closed by the battery cover 400. A battery terminal portion 410 may be provided on the inner wall of the battery accommodating portion 311. When foreign matter flows into the battery terminal portion 410, it may be difficult to electrically connect the battery and the battery terminal portion 410. That is, it may be difficult for the electric energy generated in the battery to be properly supplied to the X-ray detector 300. In order to solve such a problem, the battery cover 400 may be tightly coupled to the battery accommodating portion 311. The sealing member 440 may be disposed between the bottom frame 310 and the battery cover 400 to improve the degree of close contact between the battery cover 400 and the battery receiving portion 311. [ The sealing member 440 may comprise polyurethane. However, the sealing member 440 suffices as long as it is a material having elasticity such as rubber and silicon, and is not limited to polyurethane.

The sealing member 440 may be installed in any one of the bottom frame 310 and the battery cover 400. In other words, the sealing member 440 may be installed on one side of the bottom frame 310 facing the battery cover 400 and on one side of the battery cover 400 facing the bottom frame 310 . The sealing member 440 may be installed along the edge of the battery cover 400 on one side of the battery cover 400 facing the battery receiving portion 311. [

The battery cover 400 may be formed of polycarbonate (PC), but the material of the battery cover 400 is not limited thereto. The sealing member 440 may be integrally formed with the battery cover 400 through the double injection. Further, the sealing member 440 may be bonded to the battery cover 400 by an adhesive member after separate injection molding.

The bottom frame 310 may be provided with a coupling groove 450 through which the sealing member 440 can be tightly coupled. Specifically, the engaging groove 450 may be provided along the outer edge of the battery accommodating portion 311. In other words, the engaging groove 450 may be provided along the circumference of the battery accommodating portion 311. The engaging groove 450 may have a recessed shape so that the sealing member 440 can be inserted.

The battery cover 400 may be fitted to the bottom frame 310 primarily. The battery cover 400 may include at least one engagement rib 401 provided outside the sealing member 440 so as to protrude outwardly of the battery cover 400. [ The bottom frame 310 may be provided with at least one fixing groove 312 through which at least one coupling rib 401 can be inserted or coupled. At least one coupling rib 401 may be coupled to at least one fixing groove 312 provided in the bottom frame 310 so as to be positioned outside the coupling groove 450.

The battery cover 400, which is primarily engaged with the bottom frame 310, can be fixedly coupled to the bottom frame 310 by the engaging member 460.

The engaging member 460 may include a protrusion 461. The projecting portion 461 may be provided on one side of the engaging member 460.

The battery cover 400 may further include a fastening portion 402 to fasten or separate the protrusion 461 according to the rotation of the fastening member 460. When the engaging member 460 is rotated in the first direction, the projecting portion 461 is engaged with the engaging portion 402 so that the projecting portion 461 is engaged with the engaging portion 402. When the engaging member 460 is rotated in the opposite direction to the first direction The protruding portion 461 is separated from the engaging portion 402 so that the locked state between the protruding portion 461 and the engaging portion 402 is released.

As a result, the battery cover 400 is fixedly coupled to the bottom frame 310 primarily by the engagement of at least one engaging rib 401 and at least one fixing groove 312, And is fixedly coupled to the bottom frame 310 primarily by the engagement of the coupling part 461 and the coupling part 402.

28 is a view schematically showing a second coupling structure of a battery cover and a bottom frame in an X-ray imaging apparatus according to an embodiment of the present invention. Hereinafter, a description overlapping with the first coupling structure of the battery cover 400 and the bottom frame 310 will be omitted. Hereinafter, the case where the sealing member 540 is provided in the battery cover 400 will be mainly described.

28, the sealing member 540 provided in the battery cover 400 may include a body 541 and a head 542. [ The body 541 may be coupled to the battery cover 400. The head 542 may be provided at one end of the body 541 so as to be coupled to the coupling groove 550 formed in the bottom frame 310. In other words, the head 542 may extend from the body 541 to be coupled to the coupling groove 550 formed in the bottom frame 310.

The head 542 may include a locking portion 543 formed at a connection portion with the body 541 so as to have a wider width than the body 541. The engaging portion 543 may have a shape symmetrical with respect to an imaginary axis H extending in the height direction of the sealing member 540. In other respects, the head 542 may include a locking portion 543 that protrudes in both directions along the width direction of the body 541.

The engaging groove 550 may have a wider width as it is farther from the entrance side of the engaging groove 550 in the engaging direction of the sealing member 540 with respect to the engaging groove 550. That is, the first portion 551 near the inlet side of the engaging groove 550 in the engaging direction of the sealing member 540 with respect to the engaging recess 550 has a second portion 552 far from the inlet side of the engaging recess 550 ). ≪ / RTI > The engaging portion 543 of the sealing member 540 can be engaged with the first portion 551 of the engaging groove 540 when the sealing member 540 is inserted into the engaging groove 550. When the sealing member 540 is inserted into the engaging groove 550, the engaging portion 543 of the sealing member 540 is engaged with the first portion 551 of the engaging groove 550 by the elastic force of the sealing member 540 do. When a force greater than the elastic threshold is applied to at least one of the battery cover 400 and the bottom frame 310, the engaging portion 543 is disengaged from the first portion 551, and as a result, the sealing member 540 is disengaged from the engaging groove 550).

29 is a view schematically showing a third coupling structure of a battery cover and a bottom frame in an X-ray imaging apparatus according to an embodiment of the present invention. Hereinafter, the overlapping description of the first engagement structure and the second engagement structure of the battery cover 400 and the bottom frame 310 will be omitted. Hereinafter, the case where the sealing member 640 is provided in the battery cover 400 will be mainly described.

29, the sealing member 640 provided in the battery cover 400 may include a body 641 and a head 642. [ The head 642 may include a locking portion 643 formed at a connection portion with the body 641 so as to have a wider width than the body 641. The engaging portion 643 may have a shape that is asymmetric with respect to a virtual axis H extending in the height direction of the sealing member 640. [ In other respects, the head 642 may include a latching portion 643 projecting in one direction along the width direction of the body 641. [

The engaging groove 650 may have a wider width as it is farther from the entrance side of the engaging groove 650 in the engaging direction of the sealing member 640 with respect to the engaging groove 650. That is, the first portion 651 closer to the inlet side of the engaging groove 650 in the engaging direction of the sealing member 640 with respect to the engaging groove 650 is located at the second portion 652 far from the inlet side of the engaging groove 650 ). ≪ / RTI >

FIG. 30 is a bottom perspective view showing a side frame of an X-ray imaging apparatus according to an embodiment of the present invention, and FIG. 31 is an enlarged view of a part of FIG. FIG. 32 is a perspective view showing an inner surface of a bottom frame of an X-ray imaging apparatus according to an embodiment of the present invention, and FIG. 33 is a perspective view of an X-ray imaging apparatus according to an embodiment of the present invention, Sectional view of the X-ray detector of FIG. 13 cut into C-C '. Hereinafter, the foreign matter may include dust, blood, liquid, and the like.

The degree of close contact between the side frames 390 and the bottom frames 310 is improved in the side frames 390 and the bottom frames 310 as shown in FIGS. 30 to 33, 310 may be provided to prevent foreign matter from flowing through the gap between the upper and lower portions.

A protruding pattern 391 may be provided on the side frame 390. Specifically, a protrusion pattern 391 protruding toward the bottom frame 310 along the edge of the side frame 390 may be formed on one side of the side frame 390 facing the bottom frame 310.

The bottom frame 310 may be provided with an adhesive member 470. The adhesive member 470 may be disposed on the bottom frame 310 so as to correspond to the protruding pattern 391 provided on the side frame 390. [ In other words, the adhesive member 470 may be disposed on the bottom frame 310 so as to face the protruding pattern 391 provided on the side frame 390. The adhesive member 470 may be provided along the edge of the bottom frame 310 on one side of the bottom frame 310 facing the side frame 390 in tight contact with the protruding pattern 391.

At least one side of the adhesive member 470 may be adhesive. That is, the adhesive member 470 may include at least one of a double-sided adhesive member and a single-sided adhesive member. Specifically, the adhesive member 470 may include a first surface facing the bottom frame 310 and a second surface facing the side frame 390. [ At least one of the first and second surfaces may be adhesive.

The adhesive member 470 may include a waterproof tape.

The projecting pattern 391 can press the adhesive member 470 in the process of joining the side frame 390 and the bottom frame 310. [ In other words, as the protruding pattern 391 presses the bonding member 470, the degree of close contact between the side frame 390 and the bottom frame 310 can be improved, It is possible to effectively prevent the foreign matter from being introduced into the apparatus.

It is possible to effectively prevent the foreign matter from flowing into the inside of the X-ray detector 300 by using only the protruding pattern 391 provided in the side frame 390. The protruding pattern 391 can press one surface of the bottom frame 310 facing the protruding pattern 391 in the process of combining the side frame 390 and the bottom frame 310. [ The degree of close contact between the side frame 390 and the bottom frame 310 can be improved.

A structure for preventing foreign matter from entering the inside of the X-ray detector 300 will be described in another aspect.

The X-ray imaging apparatus 1 may include a first frame and a second frame which are coupled with each other to form an appearance of the X-ray detector 300. The first frame and the second frame may be tightly coupled to each other to block gaps between the first frame and the second frame to prevent foreign matter from entering the interior of the x-ray detector 300.

A sealing member may be provided on the first frame along the joining portion of the first frame and the second frame, and a coupling groove may be provided on the second frame to which the sealing member is closely coupled.

Alternatively, a protruding pattern may be formed on one of the first frame and the second frame along the joining portion of the first frame and the second frame, and the other of the first frame and the second frame may have an adhesive member May be provided.

The first frame and the second frame are not limited to the side frames 390, the bottom frame 310 and the battery cover 400 but may include other structures for forming the appearance of the X-ray detector 300.

The X-ray detector 300 described above can be used not only indoors but also outdoors.

The foregoing has shown and described specific embodiments. However, it should be understood that the present invention is not limited to the above-described embodiment, and various changes and modifications may be made without departing from the technical idea of the present invention described in the following claims .

1: X-ray photographing apparatus 10: photographing table
15: first receiving portion 20: photographing stand
22: support member 25: second accommodation portion
40: guide rail 41: first guide rail
42: second guide rail 45: moving carriage
50: post frame 51,52,53,54,55: post
60: rotating joint 61: first rotating joint
62: second rotary joint 70: X-ray source
71: X-ray tube 71a: Glass tube
71b: rotor 71c: positive pole
71d: target material 71e: negative electrode
71f: electric wire 71g: focusing electrode
71h: filament 71i: window
72: Collimator 80: Operation device
81: first display portion 82: handle
84: button 85: fourth direction rotation selection button
86: fifth direction rotation selection button 110: motor
111: first motor 112: second motor
113: third motor 114: fourth motor
115: fifth motor 120: detection panel
121: light receiving element 121b: n-type semiconductor substrate
121c: p-type semiconductor substrate 122:
122a: preamplifier 122b: comparator
123: bump 130: incident face
131: Handle 150: Pixel
170: workstation 171: input
172: second display section 200: coupling module
200-1: table coupling module 200-2: stand coupling module
200-3: Portable Coupling Module 300: X-ray Detector
310: bottom frame 311: battery accommodating portion
312: fixing groove 320: insulating substrate
330: Scintillation 340: Circuit board
350: Cover 360: Top frame
370: Deco sheet 380: Flexible circuit board
390: side frame 391: protruding pattern
400: Battery cover 401: Coupling rib
402: fastening part 410: terminal part
411: magnetic substance 420, 520, 620: cap
421: metal member 422: sealing member
422a: first side 422b: second side
423: first engaging portion 424: second engaging portion
425: Fixing hole 430: Fixing member
440,540,640: sealing member 450,550,650: engaging groove
460: engaging member 461:
470: Adhesive member 36: Cable
122c: counter 422c:
392: seat part 480: cap mounting part
481: first area 482: second area
490: rib 495: fixed screw
541,641: Body 542,642: Head
543,643: Retaining part 551,651: First part
552,652: Second part

Claims (29)

An x-ray source for generating and irradiating x-rays; And
And an X-ray detector arranged to detect an X-ray irradiated from the X-ray source,
The X-
A scintillator arranged to convert the X-rays irradiated from the X-ray source into visible light;
A sensing panel configured to convert visible light having passed through the scintillator into an electrical signal;
A circuit board electrically connected to the sensing panel, the circuit board being accommodated in the X-ray detector so as to control driving of the X-ray detector;
A terminal portion provided on the X-ray detector so that a coupling module electrically connected to the circuit board can be coupled; And
And a cap for opening / closing the terminal unit to prevent foreign matter from flowing into the terminal unit. The method according to claim 1,
Wherein the cap is tightly coupled to the terminal portion to prevent the foreign matter from flowing into the terminal portion through a gap between the cap and the terminal portion. The method according to claim 1,
And the cap is detachably coupled to the X-ray detector by a magnetic force so as to open and close the terminal portion. The method according to claim 1,
Wherein the terminal portion is formed in a side frame forming a side surface of the X-ray detector,
Wherein one end of the cap is fixed to the side frame by a fixing member and the other end of the cap is detachably coupled to the side frame by a magnetic force so as to open and close the terminal portion. 5. The method of claim 4,
At least one magnetic body is provided on the side frame so as to be adjacent to the terminal portion,
The cap
A metal member interacting with the at least one magnetic body; And
And a sealing member to which the metal member is coupled. 6. The method of claim 5,
Wherein the sealing member includes a first surface facing the outside of the x-ray detector,
And the metal member is coupled to the first engagement portion provided on the first surface. 6. The method of claim 5,
Wherein the sealing member includes a second surface facing the inside of the X-ray detector so as to face the terminal portion,
And a second coupling portion protruding toward the terminal portion so as to be in close contact with the inner surface of the terminal portion is provided on the second surface. 6. The method of claim 5,
Wherein the sealing member includes a second surface facing the inside of the X-ray detector so as to face the terminal portion,
And the metal member is coupled to the first coupling portion provided on the second surface so as to directly face the at least one magnetic body. 5. The method of claim 4,
At least one magnetic body is provided on the side frame so as to be adjacent to the terminal portion,
The cap
A metal member interacting with the at least one magnetic body; And
And a sealing member having the metal member embedded therein. 5. The method of claim 4,
At least one magnetic body is provided on the side frame so as to be adjacent to the terminal portion,
The cap
A metal member interacting with the at least one magnetic body; And
And a sealing member surrounding at least a part of the metal member and having a bent portion extending toward the inside direction of the X-ray detector. 11. The method of claim 10,
Wherein the side frame is provided with a seating portion formed to be recessed so that the bent portion can be seated. The method of claim 3,
The x-ray detector further includes a side frame having a side surface and a cap mounting portion to which the cap is detachably coupled,
The cap mounting portion
A first region in which the terminal portion and at least one magnetic body are provided; And
And a second region provided along an outer edge of the first region,
Ray detector is provided with a rib projecting toward the outer side of the X-ray detector. 13. The method of claim 12,
The cap
A metal member interacting with the at least one magnetic body; And
And a sealing member surrounding at least a part of the metal member,
Wherein the sealing member is in line contact with the rib when the cap is coupled to the cap mounting portion. An x-ray source for generating and irradiating x-rays; And
And an X-ray detector arranged to detect an X-ray irradiated from the X-ray source,
The X-
A terminal portion provided in the X-ray detector so that the coupling module can be coupled; And
And a cap which is fixedly coupled to the X-ray detector at one end to open and close the terminal unit to prevent foreign matter from entering the terminal unit. An x-ray source for generating and irradiating x-rays;
An x-ray detector configured to detect an x-ray irradiated from the x-ray source; And
And a first frame and a second frame coupled to each other to form an appearance of the X-ray detector,
Wherein the first frame and the second frame are tightly coupled to each other to block a gap between the first frame and the second frame and prevent foreign matter from flowing into the inside of the X-ray detector. 16. The method of claim 15,
Wherein a sealing member is provided on the first frame along a joining portion of the first frame and the second frame, and an engaging groove is formed on the second frame to closely contact the sealing member. 16. The method of claim 15,
Wherein protruding patterns are formed on any one of the first frame and the second frame along a joint portion between the first frame and the second frame. 18. The method of claim 17,
And the other of the first frame and the second frame is provided with an adhesive member which is tightly coupled to the protruding pattern. 19. The method of claim 18,
Wherein the adhesive member comprises a waterproof tape. 19. The method of claim 18,
Wherein the adhesive member comprises at least one of a double-sided adhesive member and a single-sided adhesive member. 16. The method of claim 15,
Wherein the first frame comprises a side frame forming a lateral appearance of the x-ray detector,
And the second frame is coupled to the side frame to form a bottom surface of the lower surface of the X-ray detector. 22. The method of claim 21,
And a protruding pattern protruding toward the bottom frame along an edge of the side frame is formed on one side of the side frame facing the bottom frame. 23. The method of claim 22,
And an adhesive member is provided on one surface of the bottom frame facing the side frame along an edge of the bottom frame so as to be closely contacted with the protruding pattern. 16. The method of claim 15,
Wherein the first frame includes a bottom frame having a bottom surface of the X-ray detector and having a battery accommodating portion in which a battery can be accommodated,
Wherein the second frame includes a battery cover which is in close contact with the battery accommodating portion to open / close the battery accommodating portion and prevent foreign matter from entering the battery accommodating portion. 25. The method of claim 24,
And a sealing member is provided on one side of the battery cover facing the battery receiving portion along an edge of the battery cover. 26. The method of claim 25,
Wherein the sealing member is formed integrally with the battery cover through a double injection. 26. The method of claim 25,
Wherein the bottom frame is provided with an engagement groove along the periphery of the battery accommodation portion so that the sealing member is tightly coupled. 28. The method of claim 27,
Wherein the battery cover includes at least one engaging rib provided on the outer side of the sealing member so as to protrude outwardly of the battery cover,
Wherein the at least one engaging rib is coupled to at least one fixing groove provided in the bottom frame so as to be located outside the engaging groove. 29. The method of claim 28,
Wherein the battery cover is fixedly coupled to the bottom frame by an engaging member having a protrusion when the battery cover is fixedly coupled to the bottom frame by the engagement of the at least one engaging rib and the at least one fixing groove,
Wherein the battery cover further comprises a fastening portion in which the protruding portion is fastened or separated according to rotation of the fastening member.

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