CN109715041B - Medical light source device - Google Patents
Medical light source device Download PDFInfo
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- CN109715041B CN109715041B CN201680089420.9A CN201680089420A CN109715041B CN 109715041 B CN109715041 B CN 109715041B CN 201680089420 A CN201680089420 A CN 201680089420A CN 109715041 B CN109715041 B CN 109715041B
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- light
- light source
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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
- A61B1/06—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 with illuminating arrangements
- A61B1/0655—Control therefor
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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
- A61B1/06—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 with illuminating arrangements
Abstract
A medical light source device comprises a panel (38), an illuminating light source (1), a light blocking sheet (31), an indicating light source (365), an adjusting piece (361) and a transmission mechanism (30). The panel (38) is provided with a light outlet hole (4) and an indicating window (41); the lighting source (1) is arranged corresponding to the light outlet (4). The light blocking sheet (31) is arranged between the panel (38) and the illumination light source (1), the light blocking sheet (31) is provided with a light transmission groove (5), the size of the light transmission groove (5) is gradually changed along a specific direction, and light beams provided by the illumination light source (1) pass through the light transmission groove (5) to reach the light outlet (4). The indication light source (365) is used for lighting the indication window (41). The adjuster (361) is provided on the panel (38). The transmission mechanism (30) is connected between the adjusting piece (361) and the light blocking piece (31), when the adjusting piece (361) is operated, the quantity of light beams provided by the indicating light source (365) penetrating out of the indicating window (41) is changed, meanwhile, the transmission mechanism (30) drives the light blocking piece (31) to move, the parts with different sizes of the light-transmitting groove (5) are aligned to the light outlet hole (4), and therefore the quantity of the light beams provided by the lighting light source (1) reaching the light outlet hole (4) is adjusted.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a medical light source device.
Background
The medical xenon lamp is used as a cold light source, can be applied to a hard tube endoscope and provides illumination for the hard tube endoscope. The output end of the medical xenon lamp is connected with the hard tube lens through the light guide beam, and the illumination light spots provided by the medical xenon lamp can be transmitted to the hard tube lens.
Generally, the medical xenon lamp has high power, the brightness of an output spot is high, but the service life is short, and the brightness of the output spot is gradually reduced along with the loss of the service life. The brightness often required in clinical operation or detection and other operations is basically in a fixed range, and the brightness of an output light spot reaching the hard tube lens must be adjusted based on the instability of the output brightness in the life cycle of a xenon lamp or the requirement of clinical actual operation. The power of the xenon lamp module is constant, and the brightness cannot be adjusted through circuit control. At present, the common practice is to control the amount of the output light spot entering the light guide beam by a mechanical dimming mode so as to adjust the brightness of the output light spot reaching the hard tube lens.
When adjusting the brightness of a xenon lamp, the operator observes, on the one hand, the intensity of the light output and, on the other hand, also the dimming indication on the operating panel in order to know the degree of adjustment. For example, in one conventional operation scheme, dimming is performed by pressing a key, and a screen beside the key can display a brightness value of a corresponding output light spot. In another operating scheme, the light is adjusted by rotating the knob, and the brightness of the output light spot is represented by a silk-screen symbol. In these schemes, although the brightness of the output light spot can be adjusted, the dimming intensity and the dimming indication cannot be well correlated.
Disclosure of Invention
Therefore, it is necessary to provide a medical light source device capable of improving the correlation between the dimming indication and the light source brightness, in order to solve the problem that the correlation between the light source brightness adjustment and the dimming indication is not high.
A medical light source device, comprising:
the panel is provided with a light outlet hole and an indicating window;
the illumination light source is arranged corresponding to the light outlet;
the light blocking sheet is arranged between the panel and the illumination light source, a light transmission groove is formed in the light blocking sheet, the size of the light transmission groove is gradually changed along a specific direction, and light beams provided by the illumination light source penetrate through the light transmission groove to reach the light outlet;
an indicating light source, wherein a light beam provided by the indicating light source can be emitted out of the indicating window;
an adjusting member disposed on the panel; and
the transmission mechanism is connected between the adjusting piece and the light blocking piece, when the adjusting piece is operated, the quantity of the light beams provided by the indicating light source, which are emitted out of the indicating window, can be adjusted, the transmission mechanism drives the light blocking piece to move, so that the parts with different sizes of the light transmission grooves correspond to the light emitting holes, and the quantity of the light beams provided by the illuminating light source, which reach the light emitting holes, is adjusted.
In one embodiment, the indication light source is arranged on the adjusting piece, when the adjusting piece is operated, the indication light source moves relative to the panel, and the exposed area of the indication light source in the indication window changes.
In one embodiment, the indication light source is fixedly arranged relative to the panel and corresponds to the indication window, the adjusting member is provided with a light blocking strip, and when the adjusting member is operated, the light blocking strip moves relative to the panel and shields between the indication light source and the indication window to different degrees, so that the quantity of the light beam provided by the indication light source which is emitted out of the indication window is adjusted.
In one embodiment, the adjusting member is a knob rotatably disposed on the panel.
In one embodiment, the rotation center of the adjusting piece is separated from the center of the light outlet hole.
In one embodiment, the medical light source device further comprises a support plate, the support plate is fixedly connected with the panel, the adjusting member is rotatably arranged on the support plate through an adjusting member rotating shaft, and the light barrier is rotatably arranged on the support plate through a light barrier rotating shaft.
In one embodiment, the transmission mechanism is a belt transmission mechanism, and includes a first belt wheel disposed on the rotating shaft of the adjusting member, a second belt wheel disposed on the rotating shaft of the light blocking sheet, and a transmission belt sleeved on the first and second belt wheels.
In one embodiment, the medical light source device further comprises a position indicator lamp and a circuit board, wherein a light hole is formed in the adjusting piece, and the position indicator lamp is arranged corresponding to the light hole; the circuit board is fixedly connected with the adjusting piece, and the indicating light source and the position indicating lamp are both arranged on the circuit board; the medical light source device further comprises a light guide column, one end of the light guide column is abutted to the light hole, and the other end of the light guide column is arranged on the position indicator lamp.
In one embodiment, the medical light source device further comprises a light guide plate, a slot is arranged on the adjusting piece, one end of the light guide plate is arranged in the slot, and the other end of the light guide plate is arranged on the indicating light source.
In one embodiment, the size of the indicator window gradually changes along the moving direction of the adjusting member.
In one embodiment, when the adjusting piece is operated to enable the size of the indicating window to be gradually increased along the moving direction of the adjusting piece, the transmission mechanism drives the light blocking sheet to move, so that the size of the light transmission groove corresponding to the light outlet hole is gradually increased, and the amount of light beams provided by the illumination light source reaching the light outlet hole is increased; and/or when the adjusting piece is operated to enable the size of the indicating window to gradually decrease along the movement direction of the adjusting piece, the transmission mechanism drives the light blocking sheet to move, so that the size of the light transmission groove corresponding to the light outlet hole gradually decreases, and therefore the quantity of light beams provided by the illumination light source reaching the light outlet hole is reduced.
In one embodiment, the medical light source device further comprises a progress bar arranged corresponding to the indication window, the progress bar is arranged between the panel and the adjusting piece and guides the light beam of the indication light source to the indication window.
In one embodiment, the light barrier is rotatably connected with the panel through a light barrier rotating shaft, the light transmission groove of the light barrier is arc-shaped, and the center line of the light transmission groove is superposed with an arc taking the light barrier rotating shaft as the center of a circle.
In one embodiment, the two edge profiles of the light-transmitting groove are both arc-shaped, the distance between the two edge profiles is gradually changed along a central line, and the light outlet, the illumination light source and different parts of the central line are collinear in the rotation process of the light blocking sheet.
A medical light source device, comprising:
the panel is provided with a light outlet;
the illumination light source is arranged corresponding to the light outlet;
the adjusting piece is arranged on the panel and can move relative to the panel;
the light barrier is arranged between the panel and the illumination light source, a light transmission groove with variable size is arranged on the light barrier, and light beams provided by the illumination light source can pass through the light transmission groove to reach the light outlet;
the indicating light source is provided with an indicating window on the adjusting piece or the panel, and light beams provided by the indicating light source can be emitted out of the indicating window; and
the transmission mechanism is connected between the adjusting piece and the light blocking sheet;
the light source is arranged in the light guide groove, the adjusting piece is arranged in the light guide groove, and the light beam provided by the light source can be adjusted to emit out of the indicating window, and can drive the transmission mechanism to drive the light blocking piece to drive the light source to enable different size of the light source to correspond to the illumination light source and the light source and to correspond to the light outlet hole.
In one embodiment, the indication window is fixedly arranged on the panel or the adjusting piece, the indication light source is arranged on the adjusting piece, when the adjusting piece is operated, the indication light source moves relative to the indication window, the exposed area of the indication light source in the indication window is changed, and therefore the light beam provided by the indication light source is adjusted to be emitted out of the indication window.
In one embodiment, the indication light source is fixedly arranged corresponding to the indication window, the medical light source device further comprises a light blocking strip arranged between the indication light source and the indication window, and when the adjusting piece is operated, the light blocking strip shields the indication window to different degrees, so that the quantity of the light beam provided by the indication light source which is emitted out of the indication window is adjusted.
In one embodiment, the medical light source device further comprises a position indicator lamp and a circuit board, wherein a light hole is formed in the adjusting piece, and the position indicator lamp is arranged corresponding to the light hole; the circuit board is fixedly connected with the adjusting piece, and the indicating light source and the position indicating lamp are both arranged on the circuit board; the medical light source device further comprises a light guide column, one end of the light guide column is abutted to the light hole, and the other end of the light guide column is arranged on the position indicator lamp.
In one embodiment, the medical light source device further comprises a light guide plate, one end of the light guide plate abuts against the indication window, and the other end of the light guide plate is arranged on the indication light source.
In one embodiment, the adjusting member is a knob rotatably disposed on the panel.
In one embodiment, the rotation center of the adjusting piece is separated from the center of the light outlet hole.
In one embodiment, the medical light source device further comprises a support plate, the support plate is fixedly connected with the panel, the adjusting member is rotatably arranged on the support plate through an adjusting member rotating shaft, and the light barrier is rotatably arranged on the support plate through a light barrier rotating shaft.
In one embodiment, the transmission mechanism is a belt transmission mechanism, and includes a first belt wheel disposed on the rotating shaft of the adjusting member, a second belt wheel disposed on the rotating shaft of the light blocking sheet, and a transmission belt sleeved on the first and second belt wheels.
In one embodiment, the size of the indicator window gradually changes in the direction of movement of the adjustment member.
In one embodiment, when the adjusting piece is operated to enable the size of the indicating window to be gradually increased along the moving direction of the adjusting piece, the transmission mechanism drives the light blocking sheet to move, so that the size of the light transmission groove corresponding to the light outlet hole is gradually increased, and the amount of light beams provided by the illumination light source reaching the light outlet hole is increased; and/or when the adjusting piece is operated to enable the size of the indicating window to gradually decrease along the movement direction of the adjusting piece, the transmission mechanism drives the light blocking sheet to move, so that the size of the light transmission groove corresponding to the light outlet hole gradually decreases, and therefore the quantity of light beams provided by the illumination light source reaching the light outlet hole is reduced.
In one embodiment, the light barrier is rotatably connected with the panel through a light barrier rotating shaft, the light transmission groove of the light barrier is arc-shaped, and the center line of the light transmission groove is superposed with an arc taking the light barrier rotating shaft as the center of a circle.
In one embodiment, the two edge profiles of the light-transmitting groove are both arc-shaped, the distance between the two edge profiles is gradually changed along a central line, and the light outlet, the illumination light source and different parts of the central line are collinear in the rotation process of the light blocking sheet.
A medical light source device, comprising:
the panel is provided with a light outlet;
the illumination light source is arranged corresponding to the light outlet;
the light blocking sheet is arranged between the panel and the illumination light source, a light transmitting groove for light beams of the illumination light source to pass through to reach the light outlet hole is formed in the light blocking sheet, and the light transmitting groove is provided with a plurality of parts with different sizes;
the indicating light source is provided with an indicating window on the adjusting piece or the panel, and light beams provided by the indicating light source can be emitted out of the indicating window; and
and the adjusting piece is arranged on the panel and used for synchronously adjusting the quantity of the light beam provided by the illumination light source reaching the light outlet hole and the quantity of the light beam provided by the indicating light source exiting the indicating window.
In one embodiment, the indication window is arranged on a panel, the indication light source is arranged on the adjusting piece, and when the adjusting piece is operated, the indication light source moves relative to the panel to change the exposed area of the indication light source in the indication window.
In one embodiment, the indication window is arranged on the panel, the indication light source is fixedly arranged relative to the panel and corresponds to the indication window, the adjusting piece is provided with a light blocking strip, and when the adjusting piece is operated, the light blocking strip moves relative to the panel and shields the indication light source to different degrees, so that the quantity of the light beam provided by the indication light source which is emitted out of the indication window is adjusted.
In one embodiment, the indication window is arranged on the adjusting piece, the indication light source is fixedly arranged relative to the panel, and when the adjusting piece is operated, the indication window moves relative to the indication light source, so that the light beam provided by the indication light source is adjusted to be emitted out of the indication window.
In one embodiment, the indicating window is arranged on the adjusting piece, the indicating light source is arranged on the adjusting piece and corresponds to the indicating window, the panel is provided with a light blocking strip, and when the adjusting piece is operated, the light blocking strip shields the indicating window to different degrees, so that the quantity of the light beams provided by the indicating light source which are emitted out of the indicating window is adjusted.
In one embodiment, the medical light source device further comprises a transmission mechanism connected between the adjusting member and the light blocking sheet, and the transmission mechanism is used for driving the light blocking sheet to move so that the positions with different sizes of the light transmission groove correspond to the illumination light source and the light outlet.
According to the medical light source device, the adjusting piece is operated, on one hand, the quantity of light beams provided by the indicating light source and emitted out of the indicating window can be adjusted, so that the indicating window is lightened to different degrees, on the other hand, the transmission mechanism drives the light blocking sheet to move, so that the positions with different sizes of the light transmission grooves are aligned to the light emitting holes, the quantity of the light beams provided by the illuminating light source and reaching the light emitting holes is adjusted, a signal used for dimming indication of the indicating window is well correlated with adjustment of output light of the illuminating light source, dimming operation is more visual and more detailed, and a user can be visually helped to judge a dimming state.
Drawings
Fig. 1 is a schematic front view of a medical light source device according to an embodiment of the present invention;
FIG. 2 is an exploded view of a portion of the medical light source device shown in FIG. 1;
FIG. 3 is a further exploded view of the components of the medical light source device of FIG. 2, such as the adjustment member and the indicator light source;
fig. 4 is a schematic structural view of a light blocking sheet in the medical light source device shown in fig. 2;
FIGS. 5 and 6 are schematic views of the adjusting member and the indicating light source, respectively, at different viewing angles after combination;
FIG. 7 is a schematic partial cross-sectional view of the medical light source device shown in FIG. 1;
FIG. 8 is a schematic cross-sectional view of another angle of the partial structure of the medical light source device shown in FIG. 1;
fig. 9 is a schematic structural view of an adjusting member and a panel in a medical light source device according to another embodiment of the present invention, wherein an indicating window is disposed on the adjusting member.
Detailed Description
As shown in fig. 1, 2 and 3, a medical light source device according to an embodiment of the present invention is used for providing a light beam for illumination for a rigid endoscope. The medical light source device comprises a panel 38, an illumination light source 1, a light blocking sheet 31, an indicating light source 365, an adjusting piece 361 and a transmission mechanism 30.
The panel 38 is provided with a light exit hole 4 and an indication window 41. The light outlet 4 is used for outputting the light beam provided by the illumination light source 1. The light outlet 4 can be provided with a connecting structure, such as a thread, a buckle, etc., for connecting with one end of the light guide bundle, and the other end of the light guide bundle can be connected with the hard tube lens of the hard tube endoscope, so that the light beam output from the light outlet 4 can provide illumination for the hard tube lens.
The indication window 41 is used for outputting the light beam provided by the indication light source 365, and the size of the light beam area shown at the indication window 41 by the indication light source 365 represents the light intensity output from the light outlet 4 by the illumination light source 1. For example, when the indicator window 41 is fully lit, it means that the intensity of light output from the light exit hole 4 by the illumination light source 1 is maximum, and when the area of the indicator window 41 that is lit is reduced, it means that the intensity of light output from the light exit hole 4 by the illumination light source 1 is reduced.
In one embodiment, the size of the indicator window 41 gradually changes in the moving direction of the adjuster 361. More specifically, the indicator window 41 is an arc-shaped slot, and the width of the slot gradually changes. By setting the gradually changing width, the intensity of the light output from the light hole 4 can be more easily and vividly displayed when the indication window 41 is illuminated to different degrees. In other embodiments, the indicator window 41 may be a linear groove, and the width of the groove may be uniform or gradually change from one end to the other end. The indicator window 41 may be a hole or slot structure formed by removing a portion of the panel 38, or may be made optically transparent without opening holes at corresponding portions of the panel 38. When the indication window 41 is an optically transparent panel, the indication window 41 may exhibit a profile having a shape of an arc-shaped groove or a linear groove, or the like.
Further, in some embodiments, a progress bar 37 is further disposed at a position corresponding to the indication window 41. The progress bar 37 is disposed between the panel 38 and the adjusting member 361, and may have a processing function for processing the light beam provided by the indication light source 365, such as an optical element having refractive and reflective properties. The progress bar 37 guides the light beam provided by the indication light source 365 so that the light beam provided by the indication light source 365 is output from the indication window 41 according to a preset angle, so that when the indication window 41 is observed, a clear bright and dark boundary can be found, and the degree of lighting of the indication window 41 can be accurately judged.
In some embodiments, the progress bar 37 itself may be made of opaque material, and a plurality of discontinuous holes and grooves are formed on the progress bar 37 to form a light-transmitting window. Or a light guide part is further arranged at the transparent window formed on the progress bar 37 to adjust the light beam emitted out, so as to optimize the visual effect of the light beam emitted out from the indication window 41.
The illumination light source 1 is arranged corresponding to the light outlet 4. The illumination light source 1 may be a cold light source in the form of a xenon lamp or the like. Further, the medical light source device further comprises a lens module 2, the lens module 2 is disposed on the light output path of the illumination light source 1, and the light beam provided by the illumination light source 1 is focused by the lens module 2 and then reaches the light exit hole 4 of the panel 38. Further, a filter (not shown) or the like may be provided to filter the light beam supplied from the illumination light source 1 by a specific wavelength.
The light blocking sheet 31 is disposed between the panel 38 and the illumination light source 1. The light blocking sheet 31 is made of a non-light-transmitting material, and referring to fig. 4, the light blocking sheet 31 is provided with light-transmitting grooves 5, and the size of the light-transmitting grooves 5 is gradually changed in a specific direction. The light beam provided by the illumination source 1 can pass through the light-transmitting slot 5 and reach the light-emitting hole 4 on the panel 38. In this embodiment, the light blocking sheet 31 can be moved by operating the adjusting member 361 and driving the transmission mechanism 30, so that different size portions of the light-transmitting groove 5 are aligned with the light-emitting holes 4 during the moving process, thereby allowing light beams provided by the illumination light source 1 to pass through to different degrees, i.e. adjusting the brightness of the illumination light source 1 output to the light-emitting holes 4. In this embodiment, the specific direction is also the moving direction of the light blocking sheet 31. Because the size of each part of the light-transmitting groove 5 is gradually changed, the quantity of the light beam provided by the illumination light source 1 and output to the light outlet 4 can be gradually changed by changing the position of the light blocking sheet 31 relative to the illumination light source 1, and stepless adjustment is achieved. In other embodiments, the size of each portion of the light-transmitting groove 5 may be varied discontinuously, such as by a step, so as to adjust different steps of the light beam provided by the illumination light source 1 reaching the light-emitting hole 4.
In one embodiment, the light blocking sheet 31 is a circular sheet, the light transmission groove 5 is an arc, and a center line 51 of the light transmission groove 5 coincides with an arc centered on the center of the light blocking sheet 31. Both edges of the light-transmitting groove 5 are curved in profile and the interval between the edges is gradually changed, so that the width of the light-transmitting groove 5 is gradually changed along the direction in which the center line 51 extends. The light barrier 31 is rotatably connected to the panel 38 via a light barrier rotation shaft 32. The rotational connection between the light barrier 31 and the panel 38 can be directly rotatably arranged on the panel 38 by the light barrier rotation shaft 32, or can be realized by other intermediate members. By operating the adjusting member 361, the transmission mechanism 30 can drive the light blocking sheet 31 to rotate around the light blocking sheet rotating shaft 32, and in the rotating process, the light exit hole 4, the illumination light source 1 and different parts of the center line 51 are collinear. When different width portions of the light-transmitting groove 5 are aligned with the illumination light source 1, the light beam of the illumination light source 1 can be allowed to pass through to the light exit hole 4 to different degrees.
Two limiting notches 52 can be arranged at the edge of the light blocking sheet 31, a limiting member can be arranged on the panel 38, the limiting notch 52 is matched with the limiting notch 52, when the light blocking sheet 31 is rotated to enable the limiting notch 52 to be abutted against the limiting member, the light blocking sheet 31 can not be rotated any more, and therefore two limiting positions of the light blocking sheet 31 can be positioned.
In other embodiments, when the adjusting member 361 is operated, the light blocking sheet 31 can be driven by the transmission mechanism 30 to move linearly instead of rotating, for example, the light blocking sheet 31 has a rectangular shape, the light blocking sheet rotating shaft 32 and the edge of the light blocking sheet 31 are provided with meshed racks, and when the light blocking sheet rotating shaft 32 rotates, the light blocking sheet 31 is translated. In this case, the edge profile of the light-transmitting groove 5 may be linear.
The indication light source 365 is used to illuminate the indication window 41, i.e. the light beam provided by the indication light source 365 can exit the indication window. The size of the illuminated area of the indicator window 41 corresponds to the intensity of light output from the illumination light source 1 to the light exit hole 4. The indication light source 365 may be an LED or the like type of light source. In one embodiment, the indication light sources 365 may be arranged in an arc shape corresponding to the shape of the indication window 41. In other embodiments, the light sources 365 may be arranged in a straight line. The light sources 365 may be arranged in a matrix.
An adjuster 361 is provided on the panel 38 for operation by a user. The transmission mechanism 30 is connected between the adjuster 361 and the light blocking plate 31. When the adjusting member 361 is operated, on one hand, the amount of the light beam provided by the indicating light source 365 emitted out of the indicating window 41 is changed, so that the operator can observe that the indicating window 41 is illuminated to different degrees, and on the other hand, the transmission mechanism 30 drives the light blocking plate 31 to move, so that the different-sized portions of the light-transmitting groove 5 are aligned with the light exit hole 4, thereby adjusting the amount of the light beam provided by the illumination light source 1 reaching the light exit hole 4.
In this embodiment, when the adjusting member 361 is operated to increase the amount of the light beam provided by the indication light source 365 exiting the indication window 41 (i.e. the size of the indication window increases, for example, gradually increases with the movement of the adjusting member), the transmission mechanism 30 drives the light blocking sheet 31 to move, so that the size of the light transmission groove 5 corresponding to the light exit hole 4 gradually increases, and thus the amount of the light beam provided by the illumination light source reaching the light exit hole 4 increases, i.e. the illumination light source is turned on and the turn-on process is synchronously indicated. When the adjusting member 361 is operated to reduce the amount of the light beam provided by the indicating light source 365 exiting the indicating window 41 (i.e. the size of the indicating window is reduced, for example, gradually reduced with the movement of the adjusting member), the transmission mechanism drives the light blocking sheet 31 to move, so that the size of the light transmission groove 5 corresponding to the light exit hole 4 is gradually reduced, and the amount of the light beam provided by the illuminating light source reaching the light exit hole 4 is reduced. Therefore, the technical scheme provided by the invention can better correlate the signal of the indication window 41 for dimming indication with the adjustment of the output light of the illumination light source 1, so that the dimming operation is more visual and more detailed, and the judgment of the dimming state of a user is facilitated visually.
The adjustment of the amount of light beam provided by the indicator light source 365 exiting the indicator window 41 can be accomplished in a variety of ways. For example, in some embodiments, the indication light source 365 is disposed on the adjustment member 361, and when the adjustment member 361 is operated, the indication light source 365 moves relative to the panel 38, so that the exposed area of the indication light source 365 in the indication window 41 is changed.
An embodiment of an indicating light source 365 provided in combination with the regulating member 361 is shown in fig. 3, 5, 6. Specifically, the light source 365 is disposed on a circuit board 364, and the circuit board 364 is fixed to the adjusting member 361 by a fastener 366 such as a screw. Thus, when the adjustment member 361 is operated, the pointing light source 365 is moved synchronously, thereby changing the position of the pointing light source 365 with respect to the pointing window 41 on the panel 38.
A slot 371 may be provided on the adjuster 361 corresponding to the light source 365. The light beam of the indicating light source 365 can be emitted through the slot 371 to reach the indicating window 41. Further, a light guide plate 363 may be disposed on the indication light source 365, one end of the light guide plate 363 abuts in the groove 371, and the other end of the light guide plate 363 is disposed on the indication light source 365. The light guide plate 363 can shape and adjust the light beam emitted by the indicating light source 365, so that the light beam emitted by the indicating light source 365 through the indicating window 41 can better meet the pointing requirement. The light beam transmitted by the light guide plate 363 can further reach the indication window 41 through the progress bar, so as to provide an indication with better visual effect for the dimming process of the adjuster 361.
Further, a position indicator light 367 may be further provided on the adjuster 361. In one embodiment, the position indicator light 367 and the light source 365 are disposed on the circuit board 364. The position indicator light 367 is used to indicate that the adjustor 361 points to a specific position of the indicator window 41, for example, when the position indicator light 367 points to a certain position of the indicator window 41 and is lighted, the certain position of the indicator window 41 to one end of the indicator window 41 is in a lighted state, and the certain position of the indicator window 41 to the other end of the indicator window 41 is in a dark state, so that the position indicator light 367 can be an indication of a bright-dark boundary point of the indicator window 41. As shown in fig. 3, a light hole 372 is formed in the adjusting member 361, and the position indicator 367 is disposed to face the light hole 372. Further, a light guide pillar 362 may be provided on the position indicator light 367, one end of the light guide pillar 362 abuts in the light transmission hole 372, and the other end of the light guide pillar 362 is provided on the position indicator light 367. The light guide post 362 can adjust the light beam emitted by the position indicator light 367 to be shaped, so that the light emitted by the position indicator light 367 can be more accurately emitted from the light hole 372.
The adjustment manner of the amount of the light beam provided by the indication light source 365 exiting the indication window 41 may also be that the indication light source 365 is fixedly disposed relative to the panel 38 and corresponds to the indication window 41, and the adjustment member 361 is provided with a light blocking strip (not shown), and when the adjustment member 361 is operated, the light blocking strip moves relative to the panel 38 and shields the indication light source 365 to different degrees. In other words, the relative position of the indication light source 365 and the panel 38 is fixed, and the light emitted from the indication light source 365 is directed to the indication window 41. The adjustment member 361 moves the light blocking strip to change the degree of the light blocking strip blocking the light emitted from the light source 365 to the indication window 41.
In one embodiment, the adjustment member 361 is a knob rotatably disposed on the panel 38. By changing the amount of the light beam provided by the indication light source 365 reaching the indication window 41 by rotating the adjuster 361, as shown in fig. 1, the indication light source 365 (corresponding to the light guide plate 363) is gradually exposed in the indication window 41 (corresponding to the progress bar 37) during the process of changing the position indicator light 367 (corresponding to the light guide pillar 362) from the position a to the position B by rotating the adjuster 361, so that the area of the indication window 41 being lit is gradually changed. Meanwhile, the driving mechanism 30 drives the light blocking sheet 31 to move, so as to adjust the light intensity output from the illumination light source 1 to the light exit hole 4.
The adjusting member 361 may be directly rotatably provided on the panel 38. For example, the adjusting member 361 may be nested at the light exit hole 4 and integrally disposed with the light exit hole 4. The embodiment shown in the figure is that the rotation center of the adjusting member 361 is spaced from the center of the light outlet 4, i.e. is separated from the light outlet 4.
As shown in fig. 2, 7 and 8, in one embodiment, the adjusting member 361 is disposed on a carrier plate 39 (the carrier plate 39 is not shown in fig. 2 and 8) through the adjusting member rotating shaft 35, and the carrier plate 39 is fixedly connected to the panel 38. Further, the light barrier 31 is also rotatably disposed on the carrier plate 39 through a light barrier rotating shaft 32.
The adjustment member 361 is not limited to a knob, but may be in the form of a toggle, etc., and the elements such as the indication window 41 may be adapted to be changed and matched according to the specific form of the adjustment member 361, for example, when the adjustment member 361 is a toggle, the indication window 41 may be linear rather than curved.
In the above embodiments, the indication window 41 is provided on the panel 38. In other embodiments, the indicator window 41 may also be disposed on the adjuster 361. In the embodiment shown in fig. 9, the panel 38 is provided with an assembling hole 40 for assembling the adjuster 361. The adjusting member 361 is rotatably disposed at the mounting hole 40, wherein the adjusting member 361 may include a fixing portion fixedly disposed with respect to the panel and an adjusting portion movable with respect to the panel and the fixing portion. An indicator window 41 through which the light beam of the indicator light source 365 passes is opened in a fixed portion of the adjuster 361. The indication light source 365 may be fixed to the adjustment portion, and when the adjustment portion is operated, the indication light source 365 moves with the adjustment portion, so that the area of the indication light source 365 exposed in the indication window 41 changes, thereby providing an adjustment indication of the unlightable degree. Meanwhile, the adjusting part drives the light blocking sheet to move through the transmission mechanism, and the quantity of the light beams provided by the illumination light source and emitted out of the light hole is changed.
In another embodiment, the indication light source 365 is disposed on the adjusting member 361 and corresponds to the indication window 41. Light barriers (not shown) are provided on the panel 38, such as extending within the mounting holes 40. When there is no other object between the indication light source 365 and the indication window 41, the indication light source 365 lights up all areas of the indication window 41. When the adjusting member 361 is operated, the light blocking strip is set to block the indicating window 41 to different degrees, so as to adjust the amount of the light beam provided by the indicating light source exiting the indicating window.
In this embodiment, the light guide pillar 362, the light guide plate 363, the circuit board 364, the position indicator light 367, the light hole 372, and other structures can be arranged according to the embodiment shown in fig. 3, which is not repeated herein. It should be noted that, since the indication window 41 is disposed on the adjusting member 361, in the embodiment shown in fig. 3, the indication window 41 formed on the adjusting member 361 is a slot for transmitting the indication light outwards, and one end of the light guide plate 363 abuts against the indication window 41, and the other end is disposed on the indication light source 365.
In one embodiment, as shown in fig. 2 and 7, the transmission mechanism 30 is a belt transmission mechanism, and includes a first belt wheel 341 disposed on the adjusting member rotating shaft 35, a second belt wheel 342 disposed on the light blocking sheet rotating shaft 32, and a transmission belt 33 disposed on the first and second belt wheels 341, 342. The light blocking plate 31 can be synchronously rotated by rotating the adjusting member 361 and by the transmission of the transmission belt 33. The transmission mechanism 30 may also be a gear or other type of transmission mechanism.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (33)
1. A medical light source device, comprising:
the panel is provided with a light outlet hole and an indicating window;
the illumination light source is arranged corresponding to the light outlet;
the light blocking sheet is arranged between the panel and the illumination light source, a light transmission groove is formed in the light blocking sheet, the size of the light transmission groove is gradually changed along a specific direction, and light beams provided by the illumination light source penetrate through the light transmission groove to reach the light outlet;
an indicating light source, wherein a light beam provided by the indicating light source can be emitted out of the indicating window;
an adjusting member disposed on the panel; and
the transmission mechanism is connected between the adjusting piece and the light blocking piece, and the adjusting piece drives the light blocking piece to move through the transmission mechanism; when the adjusting piece is operated, the quantity of the light beams provided by the indicating light source which are emitted out of the indicating window can be adjusted, the transmission mechanism drives the light blocking sheet to move, so that the parts with different sizes of the light transmission grooves correspond to the light emitting holes, and the quantity of the light beams provided by the illuminating light source which reach the light emitting holes is adjusted.
2. The medical light source device according to claim 1, wherein the indication light source is provided on the adjustment member, and when the adjustment member is operated, the indication light source moves relative to the panel, and an area of the indication light source exposed in the indication window changes.
3. The medical light source device according to claim 1, wherein the indication light source is fixedly disposed relative to the panel and corresponds to the indication window, and the adjustment member is provided with a light blocking strip, and when the adjustment member is operated, the light blocking strip moves relative to the panel and is blocked between the indication light source and the indication window to different degrees, so as to adjust the amount of the light beam provided by the indication light source to be emitted out of the indication window.
4. The medical light source device of claim 1, wherein the adjustment member is a knob rotatably disposed on the faceplate.
5. The medical light source device according to claim 4, wherein a center of rotation of the adjusting member is provided apart from a center of the light exit hole.
6. The medical light source device according to claim 4, further comprising a support plate, wherein the support plate is fixedly connected with the panel, the adjusting member is rotatably disposed on the support plate through an adjusting member rotating shaft, and the light barrier is rotatably disposed on the support plate through a light barrier rotating shaft.
7. The medical light source device according to claim 6, wherein the transmission mechanism is a belt transmission mechanism, and comprises a first belt wheel disposed on the rotation shaft of the adjusting member, a second belt wheel disposed on the rotation shaft of the light blocking sheet, and a transmission belt sleeved on the first and second belt wheels.
8. The medical light source device according to claim 1, further comprising a position indicator and a circuit board, wherein the adjusting member is provided with a light hole, and the position indicator is arranged corresponding to the light hole; the circuit board is fixedly connected with the adjusting piece, and the indicating light source and the position indicating lamp are both arranged on the circuit board; the medical light source device further comprises a light guide column, one end of the light guide column is abutted to the light hole, and the other end of the light guide column is arranged on the position indicator lamp.
9. The medical light source device according to claim 1, further comprising a light guide plate, wherein the adjusting member is provided with a slot, one end of the light guide plate is disposed in the slot, and the other end of the light guide plate is disposed on the indication light source.
10. The medical light source device according to claim 1, wherein the size of the indication window is gradually changed in the moving direction of the adjustment member.
11. The medical light source device according to claim 10, wherein when the adjusting member is operated to make the size of the indicating window gradually increase along the moving direction of the adjusting member, the transmission mechanism drives the light blocking sheet to move, so that the size of the light transmission groove corresponding to the light exit hole gradually increases, and the amount of the light beam provided by the illumination light source reaching the light exit hole increases; and/or when the adjusting piece is operated to enable the size of the indicating window to gradually decrease along the movement direction of the adjusting piece, the transmission mechanism drives the light blocking sheet to move, so that the size of the light transmission groove corresponding to the light outlet hole gradually decreases, and therefore the quantity of light beams provided by the illumination light source reaching the light outlet hole is reduced.
12. The medical light source device according to claim 1, further comprising a progress bar provided corresponding to the indication window, the progress bar being provided between the panel and the regulating member and guiding the light beam of the indication light source to the indication window.
13. The medical light source device according to claim 1, wherein the light barrier is rotatably connected to the panel via a light barrier rotating shaft, the light transmission groove of the light barrier is arc-shaped, and a center line of the light transmission groove coincides with an arc centered on the light barrier rotating shaft.
14. The medical light source device according to claim 13, wherein the two edge profiles of the light-transmitting groove are both arc-shaped, the distance between the two edge profiles gradually changes along the center line, and the light-emitting hole, the illumination light source and different parts of the center line are collinear during the rotation of the light-blocking sheet.
15. A medical light source device, comprising:
the panel is provided with a light outlet;
the illumination light source is arranged corresponding to the light outlet;
the adjusting piece is arranged on the panel and can move relative to the panel;
the light barrier is arranged between the panel and the illumination light source, a light transmission groove with variable size is arranged on the light barrier, and light beams provided by the illumination light source can pass through the light transmission groove to reach the light outlet;
the indicating light source is provided with an indicating window on the adjusting piece or the panel, and light beams provided by the indicating light source can be emitted out of the indicating window; and
the transmission mechanism is connected between the adjusting piece and the light blocking piece, and the adjusting piece drives the light blocking piece to move through the transmission mechanism;
the light source is arranged in the light guide groove, the adjusting piece is arranged in the light guide groove, and the light beam provided by the light source can be adjusted to emit out of the indicating window, and can drive the transmission mechanism to drive the light blocking piece to drive the light source to enable different size of the light source to correspond to the illumination light source and the light source and to correspond to the light outlet hole.
16. The medical light source device of claim 15, wherein the indication window is fixedly arranged on the panel or the adjusting member, the indication light source is arranged on the adjusting member, when the adjusting member is operated, the indication light source moves relative to the indication window, the exposed area of the indication light source in the indication window is changed, and therefore the light beam provided by the indication light source is adjusted to be emitted out of the indication window.
17. The medical light source device according to claim 15, wherein the indication light source is fixedly arranged corresponding to the indication window, the medical light source device further comprises a light blocking strip arranged between the indication light source and the indication window, and when the adjusting member is operated, the light blocking strip shields the indication window to different degrees, so as to adjust the amount of the light beam provided by the indication light source to be emitted out of the indication window.
18. The medical light source device according to claim 15, further comprising a position indicator and a circuit board, wherein the adjusting member is provided with a light hole, and the position indicator is arranged corresponding to the light hole; the circuit board is fixedly connected with the adjusting piece, and the indicating light source and the position indicating lamp are both arranged on the circuit board; the medical light source device further comprises a light guide column, one end of the light guide column is abutted to the light hole, and the other end of the light guide column is arranged on the position indicator lamp.
19. The medical light source device according to claim 15, further comprising a light guide plate, wherein one end of the light guide plate abuts against the indication window, and the other end of the light guide plate is disposed on the indication light source.
20. The medical light source device of claim 15, wherein the adjustment member is a knob rotatably disposed on the faceplate.
21. The medical light source device according to claim 20, wherein a center of rotation of the adjusting member is provided apart from a center of the light exit hole.
22. The medical light source device according to claim 20, further comprising a support plate, wherein the support plate is fixedly connected to the panel, the adjusting member is rotatably disposed on the support plate via an adjusting member rotating shaft, and the light barrier is rotatably disposed on the support plate via a light barrier rotating shaft.
23. The medical light source device of claim 22, wherein the transmission mechanism is a belt transmission mechanism, and comprises a first belt wheel disposed on the rotation shaft of the adjusting member, a second belt wheel disposed on the rotation shaft of the light blocking sheet, and a transmission belt sleeved on the first and second belt wheels.
24. The medical light source device of claim 15, wherein the size of the indicator window gradually changes in the direction of movement of the adjustment member.
25. The medical light source device according to claim 24, wherein when the adjusting member is operated to make the size of the indicating window gradually increase along the moving direction of the adjusting member, the transmission mechanism drives the light blocking sheet to move, so that the size of the light-transmitting groove corresponding to the light-emitting hole gradually increases, and the amount of the light beam provided by the illumination light source reaching the light-emitting hole increases; and/or when the adjusting piece is operated to enable the size of the indicating window to gradually decrease along the movement direction of the adjusting piece, the transmission mechanism drives the light blocking sheet to move, so that the size of the light transmission groove corresponding to the light outlet hole gradually decreases, and therefore the quantity of light beams provided by the illumination light source reaching the light outlet hole is reduced.
26. The medical light source device according to claim 15, wherein the light barrier is rotatably connected to the panel via a light barrier rotating shaft, the light transmission groove of the light barrier is arc-shaped, and a center line of the light transmission groove coincides with an arc centered on the light barrier rotating shaft.
27. The medical light source device of claim 26, wherein the two edge profiles of the light-transmitting slot are both arc-shaped, the distance between the two edge profiles gradually changes along the center line, and the light-blocking plate rotates while the light-emitting hole, the illumination light source and different parts of the center line are collinear.
28. A medical light source device, comprising:
the panel is provided with a light outlet;
the illumination light source is arranged corresponding to the light outlet;
the light blocking sheet is arranged between the panel and the illumination light source, a light transmitting groove for light beams of the illumination light source to pass through to reach the light outlet hole is formed in the light blocking sheet, and the light transmitting groove is provided with a plurality of parts with different sizes;
the light source is arranged on the adjusting piece or the panel, and the light beam provided by the light source can be emitted out of the indicating window; and
and the adjusting piece is arranged on the panel and is used for synchronously adjusting the quantity of the light beam provided by the illumination light source reaching the light outlet hole and the quantity of the light beam provided by the indicating light source exiting the indicating window.
29. The medical light source device of claim 28, wherein the indicator window is disposed on a panel, the indicator light source is disposed on the adjustment member, and when the adjustment member is operated, the indicator light source moves relative to the panel to change an area of the indicator light source exposed in the indicator window.
30. The medical light source device according to claim 28, wherein the indication window is disposed on the panel, the indication light source is fixedly disposed relative to the panel and corresponds to the indication window, and the adjustment member is provided with a light blocking strip, when the adjustment member is operated, the light blocking strip moves relative to the panel and blocks the indication light source to different degrees, thereby adjusting the amount of the light beam provided by the indication light source to exit the indication window.
31. The medical light source device of claim 28, wherein the indicator window is disposed on the adjustment member, the indicator light source is fixedly disposed relative to the panel, and when the adjustment member is operated, the indicator window moves relative to the indicator light source to adjust the amount of the light beam provided by the indicator light source that exits the indicator window.
32. The medical light source device according to claim 28, wherein the indication window is disposed on the adjusting member, the indication light source is disposed on the adjusting member and corresponds to the indication window, and the panel is provided with a light blocking strip, when the adjusting member is operated, the light blocking strip blocks the indication window to different degrees, thereby adjusting the amount of the light beam provided by the indication light source to exit the indication window.
33. The medical light source device according to claim 28, further comprising a driving mechanism connected between the adjusting member and the light blocking sheet, wherein the driving mechanism is configured to drive the light blocking sheet to move so that different size portions of the light-transmitting groove correspond to the illumination light source and the light-emitting hole.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/103271 WO2018076180A1 (en) | 2016-10-25 | 2016-10-25 | Medical light-source apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109715041A CN109715041A (en) | 2019-05-03 |
| CN109715041B true CN109715041B (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680089420.9A Active CN109715041B (en) | 2016-10-25 | 2016-10-25 | Medical light source device |
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| Country | Link |
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| CN (1) | CN109715041B (en) |
| WO (1) | WO2018076180A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109106324B (en) * | 2018-08-06 | 2024-02-02 | 武汉迈瑞医疗技术研究院有限公司 | Endoscope and light transmission method |
| CN113796820A (en) * | 2021-09-23 | 2021-12-17 | 北京博莱德光电技术开发有限公司 | Brightness adjusting device of camera light source system |
| CN114305300B (en) * | 2022-02-25 | 2022-06-07 | 杭州莱恩瑟特医疗技术有限公司 | Oscillating filter, illuminating device for endoscope, and medical endoscope |
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Also Published As
| Publication number | Publication date |
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| WO2018076180A1 (en) | 2018-05-03 |
| CN109715041A (en) | 2019-05-03 |
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