CN112656346B - Endoscope camera host and endoscope system - Google Patents
Endoscope camera host and endoscope system Download PDFInfo
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- CN112656346B CN112656346B CN202011346426.4A CN202011346426A CN112656346B CN 112656346 B CN112656346 B CN 112656346B CN 202011346426 A CN202011346426 A CN 202011346426A CN 112656346 B CN112656346 B CN 112656346B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00018—Operational features of endoscopes characterised by signal transmission using electrical cables
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
The embodiment of the invention discloses an endoscope camera host and an endoscope system, which comprise a shell, an image signal input interface, an image processing board card assembly, an image output board card assembly, a video board card, an AC-DC power module, a control board and an I/O board, wherein the shell is divided into two sides from the front end of the shell to the rear end of the shell, the image signal input interface is arranged on the shell, the video board card and the AC-DC power module are sequentially arranged on one side of the shell, and the image processing board card assembly and the image output board card assembly are sequentially arranged on the other side of the shell.
Description
Technical Field
The invention relates to the technical field of medical imaging, in particular to an endoscope imaging host and an endoscope system.
Background
In recent medical treatment, diagnosis and the like using an endoscope system, which is an image processing system including an endoscope provided with a camera, an endoscope image pickup main unit for processing image information acquired by the camera, and a display for displaying the image information processed by the image pickup main unit, are widely performed.
In general, the endoscope camera host includes a plurality of cables, which are used for electrical connection or signal connection between devices inside the endoscope camera host, such as a power line for supplying power to each device inside the endoscope camera host, a high-frequency cable for video signal transmission of each device bracket, and the like.
Disclosure of Invention
The invention provides an endoscope camera host and an endoscope system, which are used for reasonably fixing a high-frequency cable connected between an image processing board card assembly and an image output board card assembly, are not only beneficial to orderly discharging of the cable, but also avoid signal interference caused by mutual intersection of the cables.
According to a first aspect of embodiments of the present application, there is provided an endoscope camera host including:
a housing;
an image signal input interface provided on the housing;
the image processing board card assembly at least comprises an image processing board card, and the image processing board card is in communication connection with the image signal input interface and is used for processing image signals input by the image signal input interface;
The image output board card assembly is in communication with the image processing board card and is used for converting and outputting the image processed by the image processing board card;
the video board is in communication connection with the image output board assembly and is used for recording the image processed by the image output board assembly;
the camera comprises an AC-DC power module, a control board and an I/O board, wherein the control board is used for controlling power supply among devices in a camera host; the shell is divided into two sides from the front end of the shell to the rear end of the shell, the video board card and the AC-DC power module are sequentially arranged on one side of the shell, and the image processing board card assembly and the image output board card assembly are sequentially arranged on the other side of the shell.
In one embodiment, the control board is disposed at a front end of the housing and the I/O board is disposed at a rear end of the housing.
In an embodiment, the camera host further comprises a filter assembly and an insulating base assembly, wherein the filter assembly is installed on the shell through the insulating base assembly, and the filter assembly is arranged on one side of the AC-DC power supply module.
In one embodiment, the insulator assembly includes a fixture and an insulator, the insulator being mounted to the housing by the fixture, and the filter assembly being mounted to the insulator.
In one embodiment, the insulating base has an L-shaped structure, the filter assembly is fixed on a vertical end of the insulating base, and a horizontal end of the insulating base is mounted on the housing; or the insulating seat component comprises an insulating sheet, the insulating seat is of an L-shaped structure, the filter component is fixed on the vertical end of the insulating seat, the horizontal end of the insulating seat is installed on the shell, and the insulating sheet is installed between the vertical end of the insulating seat and the shell.
In an embodiment, the image processing board card assembly further comprises a board card support and a heat dissipation member, the image processing board card is mounted on the shell through the board card support, and the heat dissipation member is mounted on one side of the image processing board card opposite to the board card support.
In an embodiment, the image output board card assembly comprises a 2K image output board card, a 4K image output board card and a spacing bracket, wherein the 4K image output board card is mounted on the shell, and the 2K image output board card is mounted on one side of the 4K image output board card, which is opposite to the shell, through the spacing bracket.
In an embodiment, the camera host further comprises a magnetic ring, and the magnetic ring is arranged between the video board card and the AC-DC power module.
In an embodiment, the camera host further includes:
the high-frequency cable is connected between the image processing board card assembly and the image output board card assembly;
a cable fixing structure for fixing the high-frequency cable to the housing;
the cable fixing structure comprises a shielding layer made of conductive materials and a fixing frame, wherein the shielding layer is wrapped on the outer side of the high-frequency cable, the fixing frame fixes the shielding layer wrapped on the outer side of the high-frequency cable on the shell, and the shielding layer is electrically communicated with the shell.
In an embodiment, the cable fixing structure further includes an elastic member, and the elastic member is disposed between the fixing frame and the shielding layer, so that the shielding layer can be attached to the housing.
In an embodiment, the fixing frame is provided with a bracket fixing portion and an elastic piece mounting portion, the elastic piece and the high-frequency cable wrapped by the shielding layer are mounted on the elastic piece mounting portion, and the fixing frame is fixed on the shell through the bracket fixing portion.
In an embodiment, the fixing frame is made of a metal sheet, one side of the metal sheet is sunken to form the elastic piece installation part, and one side of the bracket fixing part and one side of the elastic piece installation part are of an L-shaped bending structure.
In an embodiment, the elastic member is conductive foam, one end of the conductive foam is abutted to the shielding layer, and the other end of the conductive foam is abutted to the bottom of the elastic member mounting portion.
According to a second aspect of embodiments of the present application, there is provided an endoscope camera host including:
a housing;
an image signal input interface provided on the housing;
the image processing board card assembly at least comprises an image processing board card, and the image processing board card is in communication connection with the image signal input interface and is used for processing image signals input by the image signal input interface;
the image output board card assembly is in communication with the image processing board card and is used for converting and outputting the image processed by the image processing board card;
the camera comprises an AC-DC power module, a control board and an I/O board, wherein the control board is used for controlling power supply among devices in a camera host; the shell is divided into two sides from the front end of the shell to the rear end of the shell, the AC-DC power module is arranged on one side of the shell, and the image processing board card assembly and the image output board card assembly are sequentially arranged on the other side of the shell.
According to a third aspect of embodiments of the present application, there is provided an endoscope system comprising: the device comprises an endoscope, a camera, a light source host, a light guide beam, a display and the camera host; one end of the light guide beam is connected to a light source interface of the light source host, and the other end of the light guide beam is connected to the endoscope and is used for providing a light source for the endoscope; one end of the camera is connected to an image signal input interface of the camera host through a communication cable so as to transmit an image signal acquired by the camera to the camera host for processing; the other end of the camera is used for being clamped to the endoscope so as to acquire an optical signal of the endoscope; the display is connected to the camera host and used for displaying images output by the camera host.
The technical scheme provided by the embodiment of the application can comprise the following beneficial effects: the application has designed an endoscope host computer and endoscope system of making a video recording, divide into both sides with the casing from the front end of casing to the rear end of casing, video cassette board and AC-DC power module install in proper order in wherein one side, image processing board card subassembly and image output board card subassembly are installed in proper order in the opposite side, image signal input interface sets up on the casing, not only be favorable to the orderly emission and the neat emission of the inside cable of host computer of making a video recording, avoided causing intertwine's problem because of the cable is in many, but also reduced the signal interference between the cable, also avoid the endoscope host computer to cause interference, influence and harm to personnel or other equipment under certain condition simultaneously.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a camera host according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic partial cross-sectional view of the camera host of FIG. 1;
FIG. 4 is a partially exploded schematic view of the camera host of FIG. 1;
FIG. 5 is a schematic view of a part of the structure of the camera host in FIG. 1;
FIG. 6 is a schematic view of the structure of the elastic member in FIG. 5;
FIG. 7 is a schematic view of the structure of the fixing frame in FIG. 5;
FIG. 8 is a schematic diagram of the camera host of FIG. 1;
FIG. 9 is an enlarged schematic view of FIG. 8 at B;
fig. 10 is a schematic diagram of an internal circuit of the camera host in fig. 8
FIG. 11 is a schematic partial cross-sectional view of the camera host of FIG. 8;
FIG. 12 is a partially exploded schematic view of the camera host of FIG. 8;
fig. 13 is a schematic view of the structure of the insulating sheet in fig. 8;
fig. 14 is a schematic view of the structure of the insulating base in fig. 8;
fig. 15 is a schematic structural diagram of a camera host according to another embodiment of the present invention;
fig. 16 is a schematic view showing the structure of an endoscope system according to still another embodiment of the present invention.
Reference numerals illustrate:
1000. a camera host;
100. a cable fixing structure; 110. an I/O board; 120. a power socket; 130. an image signal input interface;
10. a shielding layer; 20. an elastic member; 30. a fixing frame; 31. a first side portion; 32. a top; 33. a second side portion; 34. a bracket fixing part; 35. a clamping table; 36. an open slot;
200. a housing;
300. an image output board card assembly; 301. 4K image output board card; 302. 2K image output board card;
400. an image processing board card;
500. video board card;
600. an AC-DC power module;
700. a control board;
800. a filter assembly;
900. an insulating base assembly; 910. an insulating base; 911. an insulating seat groove; 912. an insulating seat through hole; 913. a convex column; 914. the convex column screw holes; 915. a spacing groove; 920. an insulating sheet; 930. a locking piece; 940. a fixing member;
2000. A display;
3000. an endoscope;
4000. a light source host;
5000. and guiding the light beam.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
The camera host machine belongs to the technical field of medical diagnosis equipment, and is used in an endoscope system, wherein the endoscope system is an image processing system and comprises a camera, an endoscope camera host machine, a light source host machine and a display electrically connected with the camera host machine, wherein the light source host machine is connected to the endoscope through a light guide beam to provide a light source for the endoscope; one end of the camera is connected to an image signal input interface of the camera host through a communication cable so as to transmit an image signal acquired by the camera to the camera host for processing, the other end of the camera is used for being clamped to the endoscope so as to acquire an optical signal of the endoscope, and the display is connected to the camera host and used for displaying an image output by the camera host.
Specifically, the camera host is provided with a plurality of devices which are connected with each other by cables, for example, an image processing board card assembly, an image output board card assembly, a video board card, an AC-DC power module, a control board, an I/O board and the like, wherein the image processing board card assembly is used for processing image signals input by an image signal input interface, the image output board card assembly is used for converting and outputting images processed by the image processing board card, the video board card assembly is used for recording images processed by the image output board card assembly, and the control board is used for controlling power supply among devices inside the endoscope camera host.
Because the image processing board card assembly, the image output board card assembly, the video board card, the AC-DC power module, the control board and the I/O board are connected together through cables, the cables comprise power lines, signal lines and the like, if the image processing board card assembly, the image output board card assembly, the video board card, the AC-DC power module, the control board and the I/O board are not reasonably arranged, particularly in a camera with compact space, the cables are easy to be messy, so that the circuit connection is unclear, the inspection and maintenance are inconvenient, and signal interference is easily caused to each device or other cables, so that the electromagnetic compatibility test is greatly influenced, and even the test cannot be passed.
In order to ensure orderly and orderly arrangement of all devices connected in the camera host, the stability of signal wire transmission is ensured, the signal wire is fixed on the shell of the camera host through the metal spring piece, and then a grounding terminal is independently led out of the shielding layer in the signal wire, so that the manufacturing cost of the camera host is increased, and the high-frequency cable is directly pressed and fixed on the shell by the metal spring piece, so that the high-frequency cable is easy to damage.
As shown in fig. 1 to 7, according to a first aspect of the present application, there is provided a camera host 1000 including a housing 200, an image signal input interface, an image output board card assembly 300, an image processing board card 400, a high frequency cable 101 connected between the image processing board card 400 and the image output board card assembly 300, and a cable fixing structure 100 for fixing the high frequency cable 101. Wherein the image signal input interface is provided on the housing 200; the image processing board 400 is mounted on the housing, and is in communication connection with the image signal input interface, and is used for processing the image signal input by the image signal input interface; the image output board card assembly 300 is mounted on the housing 200 and is in communication connection with the image processing board card 400, and comprises a 4K image output board card and a 2K image output board card, and is used for converting and outputting the format of the image processed by the image processing board card 400. In this embodiment, the cable fixing structure 100 includes the shielding layer 10 made of conductive material and the fixing frame 30, where the shielding layer 10 wraps the outside of the high-frequency cable 101, the fixing frame 30 fixes the shielding layer 10 wrapped on the outside of the high-frequency cable 101 on the housing 200, and the shielding layer 10 can be attached to the housing 200, and the shielding layer 10 is electrically connected with the housing 200, so that not only is the ordered arrangement and the orderly arrangement of the cables inside the camera host facilitated, but also the problem of intertwining caused by a large number of cables is avoided, and the signal interference between the cables is reduced.
In an alternative embodiment, the cable fixing structure 100 further includes an elastic member 20, wherein the shielding layer 10 is wrapped around the outside of the high frequency cable 101, and the fixing frame 30 fixes the elastic member 20 and the shielding layer 10 wrapped around the outside of the high frequency cable 101 to the housing 200. In the present embodiment, the elastic member 20 is disposed between the fixing frame 30 and the shielding layer 10, and one end of the elastic member 20 abuts against the housing 200, and the other end of the elastic member 20 abuts against the fixing frame 30, so that the shielding layer 10 can be attached to the housing 200, and the shielding layer 10 is electrically connected with the housing 200.
Specifically, the elastic member 20 may be any elastic body with elastic force, and the shielding layer 10 wrapped on the outer side of the high-frequency cable 101 can be attached to the housing 200 under the action of elastic force. In an embodiment, the shielding layer 10 and the housing 200 are made of conductive materials, so that the shielding layer 10 and the housing 200 are electrically connected, and the housing 200 is grounded, so that not only can the high-frequency cable 101 be prevented from being interfered by signals of other devices or cables in the camera host 1000, but also the high-frequency cable 101 can be prevented from being interfered by external electromagnetic waves or noise, and thus the stability of signal transmission of the high-frequency cable 101 between the image processing board 400 and the image output board assembly 300 is ensured.
In an alternative embodiment, the elastic member 20 may be a spring, and the fixing frame 30 may be provided with a spring mounting portion (not shown in the drawing), so that one end of the spring may be mounted on the spring mounting portion, and the other end of the spring abuts against the outer side of the shielding layer 10, and since the high frequency cable 101 is wrapped by the shielding layer 10, the high frequency cable 101 is attached to the housing 200 at the opposite side of the spring under the elastic force of the spring, so that the shielding layer 10 wrapped on the outer side of the high frequency cable 101 is electrically connected with the housing 200.
In an alternative embodiment, the elastic member 20 may also be a telescopic member installed inside the fixing frame 30, for example, the fixing frame 30 is provided with a shrapnel member at a position where the high-frequency cable 101 is fixed, and the shrapnel member may be installed on the fixing frame 30 in a telescopic manner through a spring or the like, so that the fixing frame 30 fixes the high-frequency cable 101 on the housing 200, and the high-frequency cable 101 may abut against the housing 200, so that the high-frequency cable 101 is attached to the housing 200, where the shrapnel member may be designed into an arc shape with a diameter matching the diameter of the high-frequency cable 101, so that the contact area between the shrapnel member and the high-frequency cable 101 may be increased, and the stress balance of the high-frequency cable 101 at the position of the shrapnel member is ensured.
In an alternative embodiment, the elastic member 20 may be made of foam or rubber material, which is not limited in this application, so that the shielding layer 10 wrapped on the outer side of the high-frequency cable 101 is attached to the housing 200, and meanwhile, the high-frequency cable 101 can be ensured to have an elastic force at the position of the fixing frame 30, so that the high-frequency cable 101 is prevented from being damaged under long-term pressing of the fixing frame 30, or the high-frequency cable 101 is prevented from being damaged due to pulling of an external force in the wire arranging process, or the like.
After the technical scheme is adopted, the shielding layer 10 is wrapped on the outer side of the high-frequency cable 101, and the shielding layer 10 is attached to the shell 200 through the elastic piece 20, so that a ground wire is not required to be pulled from the shielding layer inside the high-frequency cable 101, a large amount of manufacturing cost is saved, the high-frequency cable 101 is fixed at the position of the fixing frame 30 through the elastic piece 20, damage to the high-frequency cable 101 due to long-term pressing of the fixing frame 30 is avoided, and the risk of damage to the high-frequency cable 101 due to pulling of external force in the wire arrangement process is eliminated.
In an alternative embodiment, as shown in fig. 5 to 7, the holder 30 is provided with a holder fixing portion 34 and an elastic member mounting portion, wherein the elastic member 20 and the high frequency cable 101 wrapped by the shielding layer 10 are mounted on the elastic member mounting portion, and the holder 30 is fixed on the housing 200 by the holder fixing portion 34.
Specifically, the fixing frame 30 includes a first side 31, a second side 33, and a top 32, wherein the first side 31 is connected to the second side 33 through the top 32 and forms a concave structure, the bracket fixing portion 34 is connected to the first side 31, and the elastic member mounting portion is disposed in the concave structure. When the high-frequency cable 101 is fixed, the bracket fixing portion 34 is mounted on the housing 200, and the high-frequency cable 101 wrapped by the elastic member 20 and the shielding layer 10 is located in the elastic member mounting portion, so that not only can the elastic member 20 and the high-frequency cable 101 be ensured not to be separated from the elastic member mounting portion, but also the high-frequency cable 101 can be ensured to be attached to the housing 200 under the action of the elastic member 20.
In an alternative embodiment, the elastic member mounting portion is an open slot 36 disposed on the fixing frame 30, where the open slot 36 is formed by a concave structure, in this embodiment, the bracket fixing portion 34 is disposed on one side of the open slot 36, and a clamping table 35 is disposed on the other side of the open slot 36 and is used for being clamped in a clamping slot on the housing 200, so that the fixing frame 30 can be more firmly fixed on the housing 200, and locking on two sides of the fixing frame 30 is avoided, thereby saving the mounting time.
Specifically, the bracket fixing portion 34 is provided with a bracket screw hole (not shown in the figure), when the fixing bracket 30 is installed, one end of the fixing bracket 30 is connected to the clamping groove on the housing 200 through the clamping table 35, and the other end of the fixing bracket 30 is fixed to the housing 200 after passing through the bracket screw hole, wherein the elastic member 20 and the high-frequency cable 101 wrapped by the shielding layer 10 are all installed in the opening groove 36, so that the elastic member 20 and the high-frequency cable 101 can be firmly fixed on the housing 200, and the elastic member 20 and the high-frequency cable 101 are prevented from being separated from the opening groove 36.
In an alternative embodiment, the width of the open slot 36 is adapted to the diameter of the high frequency cable 101 surrounding the shielding layer 10 and/or the width of the resilient member 20 is adapted to the width of the open slot 36. Specifically, the width of the open slot 36 may be slightly larger than the diameter of the high-frequency cable 101, where the thickness of the shielding layer 10 is very thin and negligible, so that the high-frequency cable 101 can be prevented from moving substantially in the open slot 36, and the high-frequency cable 101 can be ensured to be more firmly fixed on the housing 200. In addition, since the width of the elastic member 20 is substantially the same as the width of the open groove 36, not only the fixation stability of the high-frequency cable 101 can be ensured, but also the elastic member 20 is prevented from being detached from the open groove 36.
In an alternative embodiment, the depth of the open slot 36 is greater than the diameter of the high frequency cable 101 surrounding the shield 10. Specifically, the diameter of the high-frequency cable 101 is matched with the depth of the opening slot 36, which is larger than the overlapped thickness of the elastic element 20, and the thickness of the elastic element 20 is greatly reduced after the elastic element 20 is extruded, but the elastic element 20 is ensured not to be compressed to the limit, namely, the depth of the opening slot 36 is required to be larger than the diameter of the high-frequency cable 101, so that the high-frequency cable 101 is prevented from being fixedly pressed by the fixing frame 30 for a long time, the service life of the high-frequency cable 101 is greatly prolonged, and the risk of damage caused by pulling of the high-frequency cable 101 in the wire arrangement process can be reduced, thereby effectively reducing the manufacturing cost of the camera host 1000.
In an alternative embodiment, the fixing frame 30 is made of a metal sheet, wherein one side of the metal sheet is recessed to form the elastic piece mounting portion, and one side of the bracket fixing portion 34 and one side of the elastic piece mounting portion are in an L-shaped bending structure, so that the elastic piece mounting portion can be manufactured through a bending process after cutting a plate, the production efficiency is extremely high, the cost is correspondingly low, and meanwhile mass production is facilitated.
In an alternative embodiment, as shown in fig. 1 to 7, the elastic member 20 is provided with a conductive layer (not shown) that wraps around the outer side of the elastic member 20, and the fixing frame 30 is provided with a conductive surface (not shown) so that the shielding layer 10 can be electrically connected to the conductive surface through the conductive layer, and the conductive surface is electrically connected to the housing 200, that is, the shielding layer 10 is electrically connected to the housing 200.
After the above technical scheme is adopted, since the high-frequency cable 101 wrapped around the shielding layer 10 is fixed on the housing 200 through the elastic member 20 and the fixing frame 30, wherein the high-frequency cable 101 can move up and down along the opening slot 36 under the action of external force, other sundries are easy to exist between the high-frequency cable 101 and the housing 200 or dust entering through the heat dissipation hole in the camera host 1000, and the problem of electrical non-conduction between the shielding layer 10 wrapped outside the high-frequency cable 101 and the housing 200 is easy to be caused after dust deposition. Therefore, the shielding layer 10 can be electrically connected to the housing 200 through the elastic member 20 and the fixing frame 30, so as to avoid the above-mentioned problems, and further ensure the stability of signal transmission of the high-frequency cable 101 of the shielding layer 10 between the image processing board 400 and the image output board assembly 300.
In an alternative embodiment, the elastic member 20 is conductive foam, one end of the conductive foam is abutted against the shielding layer, and the other end of the conductive foam is abutted against the bottom of the elastic member mounting portion, where the conductive foam wraps a layer of conductive cloth on the flame-retardant sponge, and after a series of treatments, the conductive foam has good surface conductivity, so that the shielding layer 10 can be ensured to be electrically connected with the fixing frame 30 through the conductive foam, and the conductive foam will form a shape adapted to the high-frequency cable 101 in the extrusion process, so that the contact surface between the conductive foam and the high-frequency cable 101 can be improved, and the structure is compact. Meanwhile, the conductive foam is light in weight, low in price, stable in source and convenient to install, and the manufacturing cost of the camera host 1000 can be greatly saved.
In an alternative embodiment, the fixing frame 30 may be integrally injection molded using a plastic material, and/or the fixing frame 30 may be fixed to the housing 200 by screws. Specifically, when the fixing frame 30 is formed by injection molding, a conductive surface is embedded in the position of the opening slot 36, and the conductive surface extends to a surface of the support fixing portion 34, which is in contact with the housing 200, so that the elastic member 20 can be electrically conducted with the housing 200 through the conductive surface, and the structure is simple and practical.
As shown in fig. 8 to 14, according to a second aspect of the present application, an endoscopic camera host 1000 is provided, and includes a housing 200, an image signal input interface 130, an image processing board assembly, an image output board assembly 300, a video board 500, an AC-DC power module 600, a control board 700, and an I/O board 110, wherein the image signal input interface 130 is disposed on the housing 200; the image processing board card assembly at least comprises an image processing board card 400, wherein the image processing board card 400 is in communication connection with the image signal input interface 130 and is used for processing the image signal input by the image signal input interface 130; the image output board card assembly 300 is in communication connection with the image processing board card 400 and is used for converting and outputting the image processed by the image processing board card 400; the video board 500 is in communication connection with the image output board assembly 300 and is used for recording the image processed by the image output board assembly 300; the control board 700 is used for controlling power supply between devices inside the camera host.
In the present embodiment, the control board 700 and the I/O board 110 are respectively disposed at any one position of the housing 200, for example, the control board 700 and the I/O board 110 are mounted at both sides or the middle of the housing 200, in the present embodiment, the control board 700 and the I/O board 110 are respectively disposed at both ends of the housing 200, the housing 200 is divided into both sides from the front end of the housing 200 to the rear end of the housing 200, the video board 500 and the AC-DC power module 600 are sequentially mounted at one side thereof, and the image processing board assembly and the image output board assembly 300 are sequentially mounted at the other side thereof.
Specifically, the control board 700 is disposed at the front end of the housing 200, the I/O board 110 is disposed at the rear end of the housing 200, and the housing 200 is divided into two areas from the front end of the housing 200 to the rear end of the housing 200, wherein one area is used for placing the video board 500 and the AC-DC power module 600, and the other area is used for placing the image processing board assembly and the image output board assembly 300, wherein the video board 500 and the image output board assembly 300 are disposed at one side near the front end of the housing 200, and the image output board assembly 300 and the AC-DC power module 600 are disposed at one side near the rear end of the housing 200, so that the cable drainage among the housing 200, the image signal input interface 130, the image processing board assembly, the image output board assembly 300, the video board 500, the AC-DC power module 600, the control board 700 and the I/O board 110 is facilitated. For example, signal lines connected between the image output card assembly 300 and the image processing card 400 may be disposed along an edge of the housing 200, signal lines between the video card 500 and the image output card assembly 300 may be disposed along a side of the video card 500 and a side of the image output card assembly 300 facing away from the edge, and the image processing card 400 is in close proximity to the image signal input interface 130, so that communication connection may be made directly through the signal lines (as in fig. 10).
For another example, the power line is sequentially connected with the control board 700 along the other side edge of the housing 200 from the AC-DC power module 600, and then is electrically connected with the video board 500, the image processing board 400 and the image output board assembly 300 along the side of the video board 500 away from the edge through the control board 700, so that the problem that the power line crosses the signal line is avoided, and meanwhile, the problem that the power line causes signal interference to the signal line is also solved (as shown in fig. 10).
After the technical scheme is adopted, because the cables are mutually related and mutually influenced in three modes of electromagnetic conduction, electromagnetic induction and electromagnetic radiation, devices inside the endoscope host can be reasonably arranged in the shell 200, so that the orderly arrangement and the orderly arrangement of the cables inside the camera host 1000 are facilitated, the problem of mutual winding caused by a large number of cables is avoided, the signal interference among the cables is reduced, and meanwhile, the interference, the influence and the harm caused by personnel or other equipment under a certain condition by the endoscope host are also avoided.
In an alternative embodiment, the image processing board 400 is a CCU board assembly, the image output board assembly 300 includes a 2K image output board 302 and a 4K image output board 301,2K, and the image output board 302 and the 4K image output board 301 are both used to convert and output the image processed by the image processing board 400, and the signal line connected between the image output board assembly 300 and the image processing board 400 is the high frequency cable 101. In this embodiment, a 4K image output interface and a 2K image output interface are respectively provided at the rear end of the housing 200, so that a user can select different output interfaces according to his own needs.
In an alternative embodiment, camera host 1000 further includes filter assembly 800 and insulating base assembly 900, wherein filter assembly 800 is mounted on housing 200 via insulating base assembly 900, so that devices on the power input and cables can be prevented from interfering with other devices inside camera host 1000.
Specifically, the filter assembly 800 is installed at the rear end of the housing 200 and on a side close to the AC-DC power module 600, mainly to prevent the AC-DC power module 600 from interfering with other devices inside the camera host 1000, such as the image output board card assembly 300, the image processing board card 400, and the video board card 500, wherein the endoscope host is provided with the power socket 120 at one end of the filter assembly 800, so as to connect an external power source to supply power to the devices inside the endoscope host.
In an alternative embodiment, the insulating holder assembly 900 includes the insulating holder 910 and the fixing member 940, wherein the insulating holder 910 is mounted on the housing 200 through the fixing member 940, and the filter assembly 800 is mounted on the insulating holder 910, so that the filter assembly 800 can be effectively prevented from being conducted with the housing 200.
Specifically, the insulating holder 910 has an L-shaped structure, the filter assembly 800 is fixed to a vertical end of the insulating holder 910, and a horizontal end of the insulating holder 910 is mounted to the housing 200. In this embodiment, the insulating base 910 is provided with two protruding columns 913 in the vertical direction, each protruding column 913 is provided with a protruding column screw hole 914, the protruding columns 913 are directly provided with a spacing groove 915, the horizontal end of the insulating base 910 is provided with an insulating base groove 911, the insulating base groove 911 is provided with an insulating base through hole 912, the filter assembly 800 is mounted on the spacing groove 915, and the filter assembly 800 is fixed on the protruding column screw holes 914 by a locking member 930, and the insulating base 910 is locked on the housing 200 after the fixing member 940 passes through the insulating base through hole 912, wherein the locking member 930 and the fixing member 940 are screws.
In an alternative embodiment, the insulating holder assembly 900 further includes an insulating sheet 920, and the insulating sheet 920 is installed between the vertical end of the insulating holder 910 and the housing 200, so that the housing 200 can be effectively prevented from being conducted with the filter assembly 800 by the locking member 930.
In an alternative embodiment, the image processing board assembly further includes a board bracket (not shown in the drawing) through which the image processing board 400 is mounted on the housing 200, and a heat dissipation member (not shown in the drawing) mounted on a side of the image processing board 400 opposite to the board bracket so as to dissipate heat of the image processing board 400, thereby improving a service life of the image processing board 400.
In an alternative embodiment, the image output board assembly 300 further includes a spacer bracket (not shown in the figure), where the 4K image output board 301 is mounted on the housing 200, and the 2K image output board 302 is mounted on a side of the 4K image output board 301 opposite to the housing through the spacer bracket, so that not only is the space inside the endoscope host not occupied, but also the signal influence of the 2K image output board 302 on the 4K image output board 301 is avoided, and meanwhile, the connection of signal lines between the 2K image output board 302 and the 4K image output board 301 is facilitated.
In an alternative embodiment, the endoscope camera host 1000 is further provided with a magnetic ring 810, and the magnetic ring 810 is disposed between the video board 500 and the AC-DC power module 600, so as to inhibit electromagnetic interference caused by current transmission of the power line and eliminate the problem of abrupt current change in the power line. In addition, the exterior of magnetic ring 810 is covered by a cover to avoid damage to the magnetic ring.
As shown in fig. 15, according to a third aspect of the present application, there is provided an endoscopic camera host 1000 including a housing 200, an image signal input interface, an image processing board assembly, an image output board assembly 300, an AC-DC power module 600, a control board 700, and an I/O board 110, wherein the image signal input interface 130 is provided on the housing 200; the image processing board card assembly at least comprises an image processing board card 400, wherein the image processing board card 400 is in communication connection with the image signal input interface and is used for processing the image signals input by the image signal input interface; the image output board card assembly 300 is in communication connection with the image processing board card 400 and is used for converting and outputting the image processed by the image processing board card 400; the control board 700 is used for controlling power supply between devices inside the camera host.
In an alternative embodiment, the control board 700 and the I/O board 110 are respectively disposed at any one position of the case 200, for example, the control board 700 and the I/O board 110 are mounted at both sides or the middle of the case 200, and in this embodiment, the control board 700 and the I/O board 110 are respectively disposed at both ends of the case 200, the case 200 is divided into both sides from the front end of the case 200 to the rear end of the case 200, the AC-DC power module 600 is mounted at one side thereof, and the image processing board assembly and the image output board assembly 300 are sequentially mounted at the other side.
Specifically, the control board 700 is disposed at the front end of the housing 200, the I/O board 110 is disposed at the rear end of the housing 200, the housing 200 is divided into two areas from the front end of the housing 200 to the rear end of the housing 200, one of the areas is used for placing the AC-DC power module 600, and the other area is used for placing the image processing board assembly and the image output board assembly 300, wherein the image output board assembly 300 is disposed at a side near the front end of the housing 200, and the image output board assembly 300 and the AC-DC power module 600 are disposed at a side near the rear end of the housing 200, thus not only facilitating the drainage of cables between the housing 200, the image signal input interface 130, the image processing board assembly, the image output board assembly 300, the AC-DC power module 600, the control board 700 and the I/O board 110. For example, signal lines connected between the image output card assembly 300 and the image processing card 400 may be arranged along an edge of the housing 200.
After the technical scheme is adopted, because the cables are mutually related and mutually influenced in three modes of electromagnetic conduction, electromagnetic induction and electromagnetic radiation, devices inside the endoscope host can be reasonably arranged in the shell 200, so that the orderly arrangement and the orderly arrangement of the cables inside the camera host 1000 are facilitated, the problem of mutual winding caused by a large number of cables is avoided, the signal interference among the cables is reduced, and meanwhile, the interference, the influence and the harm caused by personnel or other equipment under a certain condition by the endoscope host are also avoided.
As shown in fig. 16, according to a fourth aspect of the present application, there is further provided an endoscope system including an endoscope 3000, a camera, a light source host 4000, the camera host 1000 described above, a display 2000, and a light guide beam 5000, wherein one end of the light guide beam 5000 is connected to a light source interface of the light source host 4000, and the other end is connected to the endoscope 3000 for providing a light source for the endoscope 3000; one end of the camera is connected to an image signal input interface of the camera host 1000 through a communication cable so as to transmit an image signal acquired by the camera to the camera host 1000 for processing; the other end of the camera is used for being clamped to the endoscope 3000 so as to acquire an optical signal of the endoscope 3000; the display 2000 is connected to the camera host 1000 for displaying an image output from the camera host 1000. After the technical scheme is adopted, the orderly arrangement and the orderly arrangement of the cables in the camera host 1000 can be ensured, the problem of intertwining caused by a large number of cables is avoided, and the signal interference among the cables is reduced; and the high-frequency cable connected between the image output board card assembly 300 and the image processing board card 400 cannot reduce the service life of the high-frequency cable due to long-time pressing, so that the stability of signal transmission of the high-frequency cable between the image processing board card 300 and the image output board card assembly 400 is ensured.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The above disclosure provides many different embodiments, or examples, for implementing different structures of the invention. The foregoing description of specific example components and arrangements has been presented to simplify the present disclosure. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (15)
1. An endoscope camera host, comprising:
a housing;
an image signal input interface provided on the housing;
the image processing board card assembly at least comprises an image processing board card, and the image processing board card is in communication connection with the image signal input interface and is used for processing image signals input by the image signal input interface;
the image output board card assembly is in communication with the image processing board card and is used for converting and outputting the image processed by the image processing board card;
the video board is in communication connection with the image output board assembly and is used for recording the image processed by the image output board assembly;
the camera comprises an AC-DC power module, a control board and an I/O board, wherein the control board is used for controlling power supply among devices in a camera host; the video board and the AC-DC power module are sequentially arranged on one side of the shell, and the image processing board card assembly and the image output board card assembly are sequentially arranged on the other side of the shell, so that cables connected among the image signal input interface, the image processing board card assembly, the image output board card assembly, the video board card, the AC-DC power module, the control board and the I/O board are orderly and orderly arranged, the cables are prevented from being mutually wound, and signal interference among the cables is reduced.
2. The camera host of claim 1, wherein the control board is disposed at a front end of the housing and the I/O board is disposed at a rear end of the housing.
3. The camera host of claim 1, further comprising a filter assembly and an insulating mount assembly, the filter assembly being mounted to the housing by the insulating mount assembly and the filter assembly being disposed on one side of the AC-DC power module.
4. A camera host according to claim 3, wherein the insulating mount assembly comprises a mount and an insulating mount, the insulating mount being mounted to the housing by the mount, the filter assembly being mounted to the insulating mount.
5. The camera host of claim 4, wherein the insulating base has an L-shaped structure, the filter assembly is fixed on a vertical end of the insulating base, and a horizontal end of the insulating base is mounted on the housing; or the insulating seat component comprises an insulating sheet, the insulating seat is of an L-shaped structure, the filter component is fixed on the vertical end of the insulating seat, the horizontal end of the insulating seat is installed on the shell, and the insulating sheet is installed between the vertical end of the insulating seat and the shell.
6. The camera host of claim 1, wherein the image processing board card assembly further comprises a board card bracket and a heat sink, the image processing board card is mounted on the housing by the board card bracket, and the heat sink is mounted on a side of the image processing board card opposite the board card bracket.
7. The camera host of claim 1, wherein the image output board card assembly comprises a 2K image output board card, a 4K image output board card and a spacing bracket, the 4K image output board card is mounted on the housing, and the 2K image output board card is mounted on a side of the 4K image output board card opposite to the housing through the spacing bracket.
8. The camera host of claim 1, further comprising a magnetic loop disposed between the video board card and the AC-DC power module.
9. The camera host of any one of claims 1-8, wherein the camera host further comprises:
the high-frequency cable is connected between the image processing board card assembly and the image output board card assembly;
a cable fixing structure for fixing the high-frequency cable to the housing;
The cable fixing structure comprises a shielding layer made of conductive materials and a fixing frame, wherein the shielding layer is wrapped on the outer side of the high-frequency cable, the fixing frame fixes the shielding layer wrapped on the outer side of the high-frequency cable on the shell, and the shielding layer is electrically communicated with the shell.
10. The camera host of claim 9, wherein the cable fixation structure further comprises an elastic member disposed between the mount and the shielding layer, such that the shielding layer can be attached to the housing.
11. The camera host of claim 10, wherein a bracket fixing portion and an elastic member mounting portion are provided on the fixing frame, the elastic member and the high-frequency cable wrapped by the shielding layer are mounted on the elastic member mounting portion, and the fixing frame is fixed on the housing through the bracket fixing portion.
12. The camera host of claim 11, wherein the fixing frame is made of a metal sheet, one side of the metal sheet is recessed to form the elastic member mounting portion, and one side of the bracket fixing portion and one side of the elastic member mounting portion are in an L-shaped bending structure.
13. The camera host of claim 11, wherein the elastic member is conductive foam, one end of the conductive foam is abutted against the shielding layer, and the other end of the conductive foam is abutted against the bottom of the elastic member mounting portion.
14. An endoscope camera host, comprising:
a housing;
an image signal input interface provided on the housing;
the image processing board card assembly at least comprises an image processing board card, and the image processing board card is in communication connection with the image signal input interface and is used for processing image signals input by the image signal input interface;
the image output board card assembly is in communication with the image processing board card and is used for converting and outputting the image processed by the image processing board card;
the camera comprises an AC-DC power module, a control board and an I/O board, wherein the control board is used for controlling power supply among devices in a camera host; the shell is divided into two sides from the front end of the shell to the rear end of the shell, the AC-DC power module is arranged on one side of the shell, and the image processing board card assembly and the image output board card assembly are sequentially arranged on the other side, so that cables connected among the image signal input interface, the image processing board card assembly, the image output board card assembly, the video board card, the AC-DC power module, the control board and the I/O board are orderly and orderly arranged, the cables are prevented from being mutually wound, and signal interference among the cables is reduced.
15. An endoscope system, comprising: an endoscope, a camera, a light source host, a camera host according to any one of claims 1-14, a display and a light guide; one end of the light guide beam is connected to a light source interface of the light source host, and the other end of the light guide beam is connected to the endoscope and is used for providing a light source for the endoscope; one end of the camera is connected to an image signal input interface of the camera host through a communication cable so as to transmit an image signal acquired by the camera to the camera host for processing; the other end of the camera is used for being clamped to the endoscope so as to acquire an optical signal of the endoscope; the display is connected to the camera host and used for displaying images output by the camera host.
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| CN202011346426.4A CN112656346B (en) | 2019-10-16 | 2019-10-16 | Endoscope camera host and endoscope system |
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| CN201910984842.8A CN111387911B (en) | 2019-10-16 | 2019-10-16 | Endoscope camera host and endoscope system |
| CN202011346426.4A CN112656346B (en) | 2019-10-16 | 2019-10-16 | Endoscope camera host and endoscope system |
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| CN111387911B (en) | 2021-01-26 |
| CN112656346A (en) | 2021-04-16 |
| CN111387911A (en) | 2020-07-10 |
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