CN112967631B - Character identification image guide system of hospital CT equipment - Google Patents
Character identification image guide system of hospital CT equipment Download PDFInfo
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- CN112967631B CN112967631B CN202110391937.6A CN202110391937A CN112967631B CN 112967631 B CN112967631 B CN 112967631B CN 202110391937 A CN202110391937 A CN 202110391937A CN 112967631 B CN112967631 B CN 112967631B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/14—Arrangements of reflectors therein
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0404—Signs, boards or panels, illuminated from behind the insignia the light source being enclosed in a box forming the character of the sign
Abstract
The invention relates to a character identification image guidance system of hospital CT equipment. The equipment box body is internally provided with a guide light beam generator which is accessed by an equipment control end access board under the telecommunication control; the guiding light beam generator comprises: the invention relates to a telescopic lens barrel, which is characterized in that a track strip is embedded in a track embedded groove, and character mirrors are sequentially fixed on the inner side edge of the track strip at equal intervals; the adjustment of the light source projection angle emitted from the guidance light beam generator can be adjusted through the mutual matching of the first plate turnover motor and the second plate turnover motor; therefore, a set of character identification image guidance system can be set up for the traditional CT equipment through the set of mode.
Description
Technical Field
The invention relates to a character identification image guidance system of hospital CT equipment.
Background
CT examination is a relatively advanced medical imaging examination technique. CT examinations typically include flat scan CT, enhanced CT scans, and scoliographic CT. In CT, X-ray beam is used to scan the layer of human body with a certain thickness, the X-ray transmitted through the layer is received by detector, converted into visible light, converted into electric signal by photoelectric conversion, converted into digital signal by A/D converter and input to computer for processing. The CT diagnosis is generally flat scan CT, enhanced CT scan and scoliography CT. Generally, the scout scan is a cross-sectional scan, which is performed by taking the canthus line as the baseline and continuously scanning upwards or downwards. The contrast agent commonly used for enhancing CT scanning is an iodine contrast agent, 1.5-2.0 ml of iodine contrast agent is used for each kilogram of body weight, and the contrast agent is forbidden for patients with iodine allergy history and heart and kidney failure. Usually, the cerebral pool radiography CT injects non-ionic contrast agent or gas through lumbar puncture or occipital cisterna puncture to fill the cerebral pool to be examined. When abdominal CT examination is performed, fasting is required before the examination; orally diluted iodine aqua to set the contour of organs; the patient needs to hold his breath during the examination and then scans. However, in the CT examination performed in any way or mode, the patient needs to be in the CT device independently, and medical staff sends instructions to adjust various postures of the patient outside the room in a remote voice manner so as to complete the examination in a matching manner; but for some older or deaf-mute patients, the voice instruction mode is particularly troublesome; therefore, if a set of text identification images is provided, the difficult problem is overcome.
Disclosure of Invention
The invention aims to provide a text identification image guidance system of hospital CT equipment.
The invention adopts the following technical scheme for solving the technical problems: a character identification image guidance system of hospital CT equipment mainly comprises: an equipment box body, an equipment control end access plate, a guide light beam generator, a crawler belt strip, a character mirror, a light source beam, a micro servo motor, a crawler belt drive plate, a crawler belt embedded groove, a light beam transmitting tube, a light beam channel box, a light beam commutator, a three-diamond frame, a light channel groove, a reflector cover, a light beam shielding cover, a steering engine, a light screen, a front transparent plate, a rear transparent plate, an L-shaped bracket, a lens cavity, a convex lens clamp, a light beam projection position adjusting box, a control circuit main board, a first plate turnover motor, a mirror surface plate turnover, a speed reducing motor, a second plate turnover motor, a light beam projection box, a light beam inlet, a first motor hole site, a second motor hole site, a first step motor, a threaded shaft, a shaft bracket, a rubber drive plate, a metal fixed block, a telescopic pipe barrel, a second step motor, a workpiece block, a chassis rail, a covering groove, a top cover rail, a telescopic lens barrel, an equipment fixed plate and a T-shaped workpiece plate, the method is characterized in that: the equipment box body is internally provided with a guide light beam generator which is accessed by an equipment control end access board under the telecommunication control;
the guiding light beam generator comprises: a crawler belt is embedded in the crawler belt embedding groove, character mirrors are sequentially fixed on the inner side edge of the crawler belt at equal intervals, and a light source beam is arranged at one position above the top of the crawler belt; the outer side edge of the crawler belt is abutted with a crawler belt driving plate, and the crawler belt driving plate is driven by a micro servo motor;
the light source beam in the guide light beam generator is the same as the central point of the light beam transmitting tube; one end of the light beam transmitting tube is communicated with the guide light beam generator, and the other end of the light beam transmitting tube is communicated with the light beam channel box; a plurality of light beam commutators are arranged in the light beam channel box; the light beam channel box is internally provided with light beam commutators at the corner positions, and circular light-transmitting holes of every two adjacent light beam commutators are parallel and corresponding;
the beam commutator comprises: the triangular frame is formed by vertically splicing three plate surfaces end to end, a circular light-transmitting hole groove is formed in the center of each plate surface, the overlooking structure of the triangular frame is an isosceles right triangle, a reflector cover is arranged at the position of the hypotenuse of the isosceles right triangle, and the mirror surface of the reflector cover faces inwards;
a light beam shielding cover is arranged in the light beam channel box, and the central position of the light beam shielding cover is the same as that of the circular light-transmitting hole groove;
the light beam shielding cover comprises: a shading plate is inserted between the front transparent plate and the rear transparent plate, a steering engine is arranged at the top of the shading plate, and a deflector rod of the steering engine is fixed with the top of the shading plate;
the middle positions of the two light beam commutators are connected with a telescopic pipe barrel in a penetrating way to form a set of light source steering module, a T-shaped workpiece plate is fixed on one side of the light beam projection position adjusting box, a circular hole groove is formed in the center of the upper part of the T-shaped workpiece plate, the equipment fixing plate is hollow, and the side surface of the upper part of the T-shaped workpiece plate is fixed with the equipment fixing plate; the device fixing plate is communicated with the light beam channel box through the light source steering module;
the bottom of the T-shaped workpiece plate is fixed with the top cover rail, and the chassis rail and the top cover rail are clamped by the covering groove and the movable rail; a workpiece block is fixed below the top cover rail, and the center of the workpiece block is penetrated and fixed by an external second stepping motor rotating shaft;
a metal fixing block is fixed on one side face of the top cover rail through a bolt, a first stepping motor is installed on the outer side of the metal fixing block, a threaded shaft is fixed on a rotating shaft of the first stepping motor, a shaft support is sleeved on the threaded shaft, and a rubber drive plate is sleeved on the threaded shaft through threads;
an L-shaped support is fixed at the top of the light beam channel box, a lens cavity is formed in the tail end of the L-shaped support, a convex lens clamp is clamped on one side in the lens cavity, a plurality of lenses are contained in the convex lens clamp, and a silica gel sheet is arranged between each lens for protection; the lens cavity is used for fixing a lens;
a light beam projection position adjusting box is fixed on the other side of the upper part of the T-shaped workpiece plate;
the front end of the light beam projection position adjusting box is fixedly provided with a light beam projection box, and a first motor hole site and a second motor hole site are respectively arranged in the light beam projection box; a first motor hole site is internally provided with a first plate-turning motor, a second motor hole site is internally provided with a second plate-turning motor, and the first motor hole site and the second motor hole site are arranged in a cross manner in spatial position;
the first plate turnover motor and the second plate turnover motor are formed as follows: the mirror surface turning plate is clamped at the terminal of the output rotating shaft of the speed reducing motor;
a control circuit mainboard is installed in the light beam projection position adjusting box and controls the operation postures of the first plate turnover motor and the second plate turnover motor;
a light-transmitting cavity is formed in the center of the light beam projection box, and a telescopic lens barrel is screwed in front of the light-transmitting cavity through threads; the telescopic lens barrel comprises the following structural structures: the part is divided into a thread cylinder and a lens cylinder, one end of the lens cylinder is provided with a lens, and the other end of the lens cylinder is internally provided with an internal thread which is screwed with the thread cylinder;
the rubber drive plate is abutted against the outer wall of the lens barrel.
Furthermore, the poking range of the steering engine poking rod is between 0 and 90 degrees.
Furthermore, the telescopic range of the telescopic tube barrel is the same as that of the telescopic lens barrel.
Furthermore, the rubber drive plate is hollow and the inner wall of the rubber drive plate is provided with a thread matched with the threaded shaft.
Furthermore, the character mirror has the following structure: the light-shielding coating is coated on the plano lens which is not engraved with the characters.
Furthermore, the number of the convex lenses accommodated in the convex lens clamp is 3-5.
Furthermore, the symbol mirror is engraved with marks, characters and guide symbols.
The invention has the beneficial effects that: the characters to be prompted are transmitted by guiding the light beam generator, and the characters are finally projected by the telescopic lens barrel through multiple times of character beam reversing in the light beam channel box, and the distance between the telescopic lens barrel and the convex lens in the lens cavity is adjustable, so that the size of the characters on the character mirror can be adjusted through adjusting the distance between the telescopic lens barrel and the convex lens; the adjustment of the projection angle of the light source emitted from the guidance light beam generator can be adjusted through the mutual matching of the first plate-turning motor and the second plate-turning motor; therefore, a set of character identification image guidance system can be set up for the traditional CT equipment through the set of mode.
Drawings
Fig. 1 is an overall structure diagram of a text label image guidance system of a hospital CT device according to the present invention.
Fig. 2 is a structural view of a light beam channel box of the text label image guidance system of the hospital CT device of the present invention.
Fig. 3 is a structure diagram of a light beam projection box of the text label image guidance system of the hospital CT device according to the present invention.
Fig. 4 is an internal structure view of a light beam projection box of the text label image guidance system of the CT apparatus in a hospital according to the present invention.
Fig. 5 is an exploded view of a light beam projection box of the text label image guidance system of the CT apparatus in a hospital according to the present invention.
Fig. 6 is a structure diagram of a plate turnover motor of the text label image guidance system of the hospital CT device of the present invention.
Fig. 7 is a structural diagram of a beam reverser of a text label image guidance system of a hospital CT apparatus according to the present invention.
FIG. 8 is a structural diagram of a light beam adjustment component of the text-labeled image guidance system of a hospital CT apparatus according to the present invention.
Fig. 9 is a structural view of an L-shaped bracket of the text label image guidance system of the CT apparatus in a hospital according to the present invention.
Fig. 10 is a structural diagram of a device box part of the text label image guidance system of the hospital CT device of the present invention.
Fig. 11 is a schematic diagram of an internal structure of a guiding light beam generator of the text label image guiding system of the hospital CT device of the present invention.
Fig. 12 is a schematic diagram of a guiding beam generator of the text label image guiding system of the hospital CT device according to the present invention.
Fig. 13 is a schematic structural diagram of a character mirror of the text label image guidance system of the CT apparatus in a hospital according to the present invention.
Fig. 14 is a schematic structural view of a light beam shielding cover of the text mark image guidance system of the CT apparatus in a hospital according to the present invention.
Fig. 15 is a structural diagram of a cover groove connecting two rails of the text mark image guidance system of the CT apparatus in a hospital according to the present invention.
In the figure, 1-an equipment box body, 2-an equipment control end access plate, 3-a guide light beam generator, 31-a track strip, 32-a character mirror, 33-a light source beam, 34-a miniature servo motor, 341-a track drive plate, 35-a track embedded groove, 4-a light beam transmitting tube, 5-a light beam channel box, 6-a light beam commutator, 61-a diamond frame, 62-a light channel groove, 63-a reflector cover, 7-a light beam shielding cover, 71-a steering engine, 72-a light shielding plate, 73-a front transparent plate, 74-a rear transparent plate, 8-an L-shaped bracket, 81-a lens cavity, 9-a convex lens clamp, 10-a light beam projection position adjusting box, 11-a control circuit main board, 12-a first turning plate motor and 121-a turning plate mirror surface, 122-a speed reduction motor, 13-a second plate turnover motor, 14-a light beam projection box, 141-a light beam inlet, 142-a first motor hole position, 143-a second motor hole position, 15-a first step motor, 151-a threaded shaft, 152-a shaft support, 16-a rubber drive plate, 17-a metal fixed block, 18-a telescopic pipe barrel, 19-a second step motor, 20-a workpiece block, 21-a chassis rail, 22-a cover groove, 23-a top cover rail, 24-a telescopic lens barrel, 25-an equipment fixing plate and 251-a T-shaped workpiece plate.
Detailed Description
A detailed description of the embodiments of the present invention is provided below with reference to fig. 1-15.
The embodiment is as follows: a character identification image guidance system of hospital CT equipment mainly comprises: an equipment box body 1, an equipment control end access plate 2, a guide light beam generator 3, a crawler belt 31, a character mirror 32, a light source beam 33, a micro servo motor 34, a crawler belt dial 341, a crawler belt embedding groove 35, a light beam transmitting tube 4, a light beam channel box 5, a light beam commutator 6, a three-diamond frame 61, a light channel groove 62, a reflector cover 63, a light beam shielding cover 7, a steering engine 71, a light shielding plate 72, a front transparent plate 73, a rear transparent plate 74, an L-shaped bracket 8, a lens cavity 81, a convex lens clamp 9, a light beam projection position adjusting box 10, a control circuit main board 11, a first flap motor 12, a mirror face flap 121, a speed reducing motor 122, a second flap motor 13, a light beam projection box 14, a light beam inlet hole 141, a first motor hole position 142, a second hole position motor 143, a first step motor 15, a threaded shaft 151, a shaft bracket 152, a rubber dial 16, a metal dial 17, a telescopic pipe barrel 18, a second step motor 19, a light beam, The device comprises a workpiece block 20, a chassis rail 21, a covering groove 22, a top cover rail 23, a telescopic lens barrel 24, a device fixing plate 25 and a T-shaped workpiece plate 251, wherein a guide light beam generator 3 is installed in a device box body 1, and the guide light beam generator 3 is accessed by a device control end access plate 2 in a telecommunication control mode;
the guide light beam generator 3 comprises: a caterpillar band 31 is embedded into the caterpillar band embedding groove 35, character mirrors 32 are sequentially fixed on the inner side edge of the caterpillar band 31 at equal intervals, and a light source beam 33 is arranged at one position above the top of the caterpillar band 31; the outer side edge of the crawler belt 31 is abutted with a crawler belt driving plate 341, and the crawler belt driving plate 341 is driven by a micro servo motor 34;
the light source beam 33 in the guide light beam generator 3 is the same as the central point of the light beam transmitting tube 4; one end of the light beam transmitting tube 4 is communicated with the guide light beam generator 3, and the other end is communicated with the light beam channel box 5; a plurality of beam commutators 6 are arranged in the beam channel box 5; the light beam channel box 5 is internally provided with light beam commutators 6 at the corner positions, and circular light-transmitting hole grooves of every two adjacent light beam commutators 6 are parallel and corresponding;
the beam commutator 6 comprises: the rhombus frame 61 is formed by vertically splicing three plate surfaces end to end, a circular light-transmitting hole groove is formed in the center of each plate surface, the overlooking structure of the rhombus frame 61 is an isosceles right triangle, a reflector cover 63 is arranged at the bevel edge of the isosceles right triangle, and the mirror surface of the reflector cover 63 faces inwards;
a light beam shielding cover 7 is arranged in the light beam channel box 5, and the central position of the light beam shielding cover 7 is the same as that of the circular light-transmitting hole groove;
the beam shielding cover 7 comprises: a shading plate 72 is inserted between the front transparent plate 73 and the rear transparent plate 74, a steering gear 71 is arranged at the top of the shading plate 72, and a deflector rod of the steering gear 71 is fixed with the top of the shading plate 72;
a telescopic pipe barrel 18 is connected in a penetrating way between the two light beam commutators 6 to form a set of light source steering module, a T-shaped workpiece plate 251 is fixed on one side of the light beam projection position adjusting box 10, a circular hole groove is formed in the center of the upper part of the T-shaped workpiece plate 251, the equipment fixing plate 25 is hollow, and the side surface of the upper part of the T-shaped workpiece plate 251 is fixed with the equipment fixing plate 25; the device fixing plate 25 is communicated with the light beam channel box 5 through a light source steering module;
the bottom of the T-shaped workpiece plate 251 is fixed with the top cover rail 23, and the chassis rail 21 is clamped with the top cover rail 23 through the covering groove 22; a workpiece block 20 is fixed below the top cover rail 23, and the center of the workpiece block 20 is penetrated and fixed by a rotating shaft of an external second stepping motor 19;
a metal fixing block 17 is fixed on one side surface of the top cover rail 23 through a bolt, a first stepping motor 15 is installed on the outer side of the metal fixing block 17, a threaded shaft 151 is fixed on a rotating shaft of the first stepping motor 15, a shaft bracket 152 is sleeved on the threaded shaft 151, and a rubber drive plate 16 is sleeved on the threaded shaft 151 through a thread;
an L-shaped support 8 is fixed at the top of the light beam channel box 5, a lens cavity 81 is formed in the tail end of the L-shaped support 8, a convex lens clamp 9 is clamped on one side in the lens cavity 81, a plurality of lenses are accommodated in the convex lens clamp 9, and a silica gel sheet is arranged between each lens for protection; the lens cavity 81 is used for fixing a lens;
a light beam projection position adjusting box 10 is fixed on the other side of the upper part of the T-shaped workpiece plate 251;
the front end of the light beam projection position adjusting box 10 is fixed with a light beam projection box 14, and a first motor hole position 142 and a second motor hole position 143 are respectively arranged in the light beam projection box 14; a first flap motor 12 is installed in the first motor hole position 142, a second flap motor 13 is installed in the second motor hole position 143, and the first motor hole position 142 and the second motor hole position 143 are arranged in a crisscross manner in spatial position;
the first plate turnover motor 12 and the second plate turnover motor 13 are formed as follows: the mirror face turning plate 121 is clamped at the output rotating shaft terminal of the speed reducing motor 122;
a control circuit mainboard 11 is installed in the light beam projection position adjusting box 10, and the control circuit mainboard 11 controls the operation postures of a first plate turnover motor 12 and a second plate turnover motor 13;
a light-transmitting cavity is formed in the center of the light beam projection box 14, and a telescopic lens barrel 24 is screwed in front of the light-transmitting cavity through threads; the telescopic lens barrel 24 has the following structure: the part is divided into a thread cylinder and a lens cylinder, one end of the lens cylinder is provided with a lens, and the other end of the lens cylinder is internally provided with an internal thread which is screwed with the thread cylinder;
the rubber drive plate 16 abuts against the outer wall of the lens barrel.
The poking range of the poking rod of the steering engine 71 is between 0 and 90 degrees.
The telescopic tube 18 has the same telescopic range as the telescopic lens tube 24.
The rubber dial 16 is hollow and is provided with a thread on the inner wall, which is matched with the thread shaft 151.
The character mirror 32 has the following structure: the light shading device consists of a plain lens and characters engraved on the plain lens, and a light shading coating is coated on the plain lens which is not engraved with the characters.
The number of the convex lenses contained in the convex lens clamps 9 is 3-5.
The symbol mirror 32 is engraved with marks, words and guide symbols.
The following describes a process for guiding a patient by projecting any one of the characters of the present device onto the CT device platform:
as shown in fig. 13, taking the content "OK" of the selected character mirror 32 as an example, firstly, the device control end access board 2 will command the micro servo motor 34 to start rotating according to the instruction sent by the CT device console, since the rotation of the micro servo motor 34 drives the track bar 31 through the track dial 341, when the character mirror 32 with the word "OK" moves to the light source beam 33, the servo motor 34 is stopped, and at this time, the light source beam 33 is started to emit light; since the light source beam 33 is in the same central position as the light beam emitting tube 4, it is projected with an "OK" beam;
the projected 'OK' word is reversed by a beam reverser 6 in a beam channel box 5 and finally reaches the position of a beam shielding cover 7, and the beam shielding cover 7 is arranged for two purposes: one of them is when the light beam generator 3 is directed to not complete the character arrangement, and the light beam 33 is already activated, and the function is to shield the stray characters of the messy code. Secondly, the steering engine 71 in the light beam shielding cover 7 is operated in a reciprocating manner, so that the light shielding plate 72 is used for shielding light or passing light in a reciprocating manner, and the prompt effect of 'OK' character and explosion flashing property is realized.
Then, the 'OK' word light beam enters the light beam projection box 14 after passing through the light source steering module, and the core of the light beam projection box 14 is that the first plate turnover motor 12 and the second plate turnover motor 13 are matched with each other, and finally the 'OK' word light beam in the correct projection direction is projected out of the telescopic lens barrel 24; the control of the first plate turnover motor 12 and the second plate turnover motor 13 is completed by a control circuit mainboard 11;
because the rubber drive plate 16 driven by the first stepping motor 15 is abutted under the telescopic lens barrel 24, when the rubber drive plate 16 rolls, the telescopic distance of the telescopic lens barrel 24 can be controlled, generally speaking, the shaft bracket 152 sleeved on the threaded shaft 151 is fixed on the shell cover of the device, and the purpose is to limit the retraction distance of the rubber drive plate 16;
by adjusting the distance between the retractable lens barrel 24 and the lens chamber 81, the size of the light beam projected on the image plane in the word "OK" can be adjusted. Typically the imaging plane is somewhere on the CT device.
The specification parameters of optical accessories such as lenses and the like mentioned in the present application are not marked, mainly because the main body of the present application is a frame forming a text mark image guidance system of CT equipment, and the specific parameter specification is applied in the present application.
The steering engine control circuit and the equipment control end access board 2 and the control circuit main board 11 mentioned in the scheme are not described in the circuit control principles of some stepping motors and servo motors, because the integrated circuit control has been applied for another application.
The application of this case is that the characters sign image of CT equipment guides system machine part frame construction.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A character identification image guidance system of hospital CT equipment is mainly constructed with: the device comprises a device box body (1), a device control end access plate (2), a guide light beam generator (3), a track bar (31), a character mirror (32), a light source beam (33), a micro servo motor (34), a track drive plate (341), a track embedded groove (35), a light beam transmitting tube (4), a light beam channel box (5), a light beam commutator (6), a Mitsubishi rack (61), a light channel groove (62), a reflector cover (63), a light beam shielding cover (7), a steering gear (71), a shading plate (72), a front transparent plate (73), a rear transparent plate (74), an L-shaped bracket (8), a lens cavity (81), a convex lens clamp (9), a light beam projection position adjusting box (10), a control circuit main board (11), a first flap motor (12), a mirror surface flap (121), a speed reducing motor (122), a second flap motor (13), a light beam projection box (14), Light beam advances hole (141), first motor hole site (142), second motor hole site (143), first step motor (15), threaded shaft (151), pedestal (152), rubber driver plate (16), metal fixed block (17), telescopic tube (18), second step motor (19), work piece (20), chassis track (21), cover groove (22), top cap track (23), telescopic lens section of thick bamboo (24), equipment fixed plate (25), T shape work piece board (251), its characterized in that: a guide light beam generator (3) is arranged in the equipment box body (1), and the guide light beam generator (3) is accessed by an equipment control end access plate (2) in telecommunication control;
the guiding light beam generator (3) comprises: a caterpillar band (31) is embedded into the caterpillar band embedding groove (35), character mirrors (32) are sequentially fixed on the inner side edge of the caterpillar band (31) at equal intervals, and a light source beam (33) is arranged at one position above the top of the caterpillar band (31); the outer side edge of the crawler belt (31) is abutted with a crawler belt drive plate (341), and the crawler belt drive plate (341) is driven by a micro servo motor (34);
the light source beam (33) in the guide light beam generator (3) is the same as the central point of the light beam emitting tube (4); one end of the light beam emitting tube (4) is communicated with the guide light beam generator (3), and the other end of the light beam emitting tube is communicated with the light beam channel box (5); a plurality of beam commutators (6) are arranged in the beam channel box (5); the light beam channel box (5) is internally provided with light beam commutators (6) at the corner positions, and circular light-transmitting hole grooves of every two adjacent light beam commutators (6) are in parallel correspondence;
the beam commutator (6) comprises: the rhombus frame (61) is formed by vertically splicing three plate surfaces end to end, a circular light-transmitting hole groove is formed in the center of each plate surface, the overlooking structure of the rhombus frame (61) is an isosceles right triangle, a reflector cover (63) is arranged at the position of the hypotenuse of the isosceles right triangle, and the mirror surface of the reflector cover (63) faces inwards;
a light beam shielding cover (7) is arranged in the light beam channel box (5), and the central position of the light beam shielding cover (7) is the same as that of the circular light-transmitting hole groove;
the light beam shielding cover (7) comprises: a shading plate (72) is inserted between the front transparent plate (73) and the rear transparent plate (74), a steering engine (71) is arranged at the top of the shading plate (72), and a deflector rod of the steering engine (71) is fixed with the top of the shading plate (72);
the middle positions of the two light beam commutators (6) are connected with telescopic pipes (18) in a penetrating way to form a set of light source steering module, a T-shaped workpiece plate (251) is fixed on one side of the light beam projection position adjusting box (10), a circular hole groove is formed in the center of the upper part of the T-shaped workpiece plate (251), the equipment fixing plate (25) is hollow, and the side surface of the upper part of the T-shaped workpiece plate (251) is fixed with the equipment fixing plate (25); the equipment fixing plate (25) is communicated with the light beam channel box (5) through a light source steering module;
the bottom of the T-shaped workpiece plate (251) is fixed with the top cover rail (23), and the chassis rail (21) is clamped with the top cover rail (23) through the covering groove (22) and the movable rail; a workpiece block (20) is fixed below the top cover rail (23), and the center of the workpiece block (20) is penetrated and fixed by a rotating shaft of an external second stepping motor (19);
a metal fixing block (17) is fixed on one side surface of the top cover rail (23) through a bolt, a first stepping motor (15) is installed on the outer side of the metal fixing block (17), a threaded shaft (151) is fixed on a rotating shaft of the first stepping motor (15), a shaft bracket (152) is sleeved on the threaded shaft (151), and a rubber drive plate (16) is sleeved on the threaded shaft (151) through a thread;
an L-shaped support (8) is fixed at the top of the light beam channel box (5), a lens cavity (81) is formed in the tail end of the L-shaped support (8), a convex lens clamp (9) is clamped on one side in the lens cavity (81), a plurality of lenses are accommodated in the convex lens clamp (9), and a silica gel sheet is arranged between each lens for protection; the lens cavity (81) is used for fixing a lens;
a light beam projection position adjusting box (10) is fixed on the other side of the upper part of the T-shaped workpiece plate (251);
a light beam projection box (14) is fixed at the front end of the light beam projection position adjusting box (10), and a first motor hole site (142) and a second motor hole site (143) are respectively arranged in the light beam projection box (14); a first flap motor (12) is arranged in the first motor hole site (142), a second flap motor (13) is arranged in the second motor hole site (143), and the first motor hole site (142) and the second motor hole site (143) are arranged in a crisscross manner in spatial position;
the first plate turnover motor (12) and the second plate turnover motor (13) are arranged in the following way: a mirror face turning plate (121) is clamped at the end of an output rotating shaft of the speed reducing motor (122);
a control circuit mainboard (11) is installed in the light beam projection position adjusting box (10), and the control circuit mainboard (11) controls the running postures of a first plate turning motor (12) and a second plate turning motor (13);
a light-transmitting cavity is formed in the center of the light beam projection box (14), and a telescopic lens barrel (24) is screwed in front of the light-transmitting cavity through threads; the telescopic lens barrel (24) has the following structure: the part is divided into a thread cylinder and a lens cylinder, one end of the lens cylinder is provided with a lens, and the other end of the lens cylinder is internally provided with an internal thread which is screwed with the thread cylinder;
the rubber drive plate (16) is pressed against the outer wall of the lens barrel.
2. The image guidance system according to claim 1, wherein the toggle range of the steering engine (71) is 0-90 degrees.
3. The system according to claim 1, wherein the telescopic tube (18) has the same telescopic range as the telescopic lens tube (24).
4. The image guidance system according to claim 1, wherein said rubber dial (16) is hollow and has a screw thread on its inner wall for mating with said screw shaft (151).
5. The system for guiding textual representation images of CT equipment in hospitals according to claim 1, characterized in that said character mirror (32) is structured as: the light shading device consists of a plain lens and characters engraved on the plain lens, and a light shading coating is coated on the plain lens which is not engraved with the characters.
6. The image guidance system according to claim 1, wherein the number of the convex lenses contained in the convex lens clips (9) is 3-5.
7. The system of claim 1, wherein the character mirror (32) is marked with a logo, characters and guide symbols.
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| CN112967631A (en) | 2021-06-15 |
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