TWM521308U - Multiplexing light source line scanning module - Google Patents

Description

Multiplex source line scanning module

The present invention relates to a scanning module, in particular to a multiplexed light source line scanning module with a light source angle adjustment, so that the image data can effectively highlight differences for the purpose of image analysis and identification.

Currently widely used image scanners are devices that can scan, analyze, and convert small images such as photographs, printed documents, or handwritten documents, or decorations into digital images.

As shown in FIG. 1 , the conventional scanning module has two light source groups 10 , 20 , a first mirror 30 , a second mirror 40 , a focusing lens 50 and a CCD light sensing module 60 . The two light source groups 10 and 20 have two bases 101 and 201. Each of the two bases 101 and 201 has an oblique groove 102 and 202. The two recesses 102 and 202 are used to engage the two light groups 103. The two circuit boards 104 and 204 of the 203 project the light sources 103 and 203 on the two circuit boards 104 and 204 obliquely to project the light source onto the scanned object 70. After the scanned object 70 is illuminated by the light source, the reflected light source passes through the optical channel 80 between the two bases 101, 201 to the first mirror 30, and is reflected by the first mirror 30 to the second reflection. On the mirror 40, the second mirror 40 reflects the light source to the focus lens 50, and the light source is projected onto the CCD light sensing module 60. After receiving the image, the image signal is received by the CCD light sensing module 60. deal with.

The traditional line scanning module light source configuration is also fixed angle and the length is too long to see the design of the coaxial light source. However, in actual use, due to different materials to be scanned 70 due to materials, Differences in surface treatment, color, etc., require different angles of light source illumination to achieve the best identification difference for image analysis and determination.

Therefore, the main purpose of this creation is to solve the traditional lack. This design adds a traditional fixed light source group to the transmission mechanism design, so that the light source group can adjust the angle as needed, and then the spectroscope and the line light source are arranged in appropriate positions. In order to provide an effective line scan module, the image data can effectively highlight differences for image analysis and identification.

In order to achieve the above purpose, the present invention provides a multiplexed light source line scanning module for scanning an object to be scanned, including: a base, a two light source group and a transmission mechanism. The machine base has a first assembly chamber, a second assembly chamber and a third assembly chamber. The first assembly chamber and the second assembly chamber have an optical passage between the first assembly chamber and the second assembly. There are two symmetrical sidewalls on both sides of the chamber, and the two sidewalls have corresponding plurality of perforations and a plurality of adjustment holes. The two light source groups are respectively assembled in the first assembly chamber and the second assembly chamber, the light source group includes two transmission rods pivotally connected to the perforations, two second carrier plates driven by the two transmission rods, and assembly One or more sets of lights on the carrier board. The transmission mechanism is assembled to the perforations, and the transmission mechanism is coupled to the two transmission rod transmission relationship of the two light source groups. When the light source is adjusted, the transmission mechanism synchronously drives the two transmission rods, so that the two transmission rods transmit the two carrier plates, so that the two light source groups are synchronized in a circumferential direction and different directions according to the object to be scanned. Move to provide an effective line scan module, so that the image data can effectively highlight the difference, which is useful for image analysis and identification.

In an embodiment of the present invention, the two ends of the two transmission rods have two symmetrical inner two driven gears adjacent to the side wall.

In an embodiment of the present invention, the two carrier plates are aluminum extruded bodies having an arc shape in cross section, and the back surfaces of the two carrier plates each have a tooth surface that meshes with the two inner driven gears. The top surface of the carrier plate has a recessed portion, and a hollow passage is formed between the top surface and the back surface of the two carrier plates, and two opposite sides of the two carrier plates have corresponding symmetry and corresponding adjustment holes. The set of holes, the two sets of holes to assemble the two locks.

In an embodiment of the present invention, the lamp set is assembled on the recessed portion, and each of the lamp sets has a circuit board and a lamp, and the lamp is driven to be illuminated by the circuit board.

In an embodiment of the present invention, the transmission mechanism includes an actuating element, a driving gear pivotally connected to the through holes, an even gear set and an odd gear set, and the driving gear drives the even gear set synchronously And the odd gear set.

In an embodiment of the present invention, the even-numbered gear set includes a first driven gear and a first external driven gear, and the first external driven gear is coupled to one end of the transmission rod passing through the through hole. And corresponding to the inner driven gear on the transmission rod.

In an embodiment of the present invention, the odd gear set includes a second driven gear, a third driven gear, and a fixed one end of the other transmission rod that passes through the through hole, and another inner slave The second outer driven gear corresponding to the moving gear.

In an embodiment of the present invention, the actuating element is a motor.

In an embodiment of the present invention, the method further includes one or more auxiliary light source groups, the auxiliary light source group having a circuit board and an auxiliary lamp electrically connected to the circuit board to be assembled under the second assembly chamber. .

In an embodiment of the present invention, further comprising one or more beamsplitters, one or more first mirrors, one or more second mirrors, one or more focusing lenses, and one or More than one image reading module, the beam splitter is assembled on the optical channel of the first assembly chamber and the second assembly chamber, and the first mirror is assembled in the third assembly chamber and located below the beam splitter And diagonally corresponding to the second mirror, the second mirror corresponding to the focusing lens, the image reading module being assembled in the third assembly chamber and corresponding to the focusing lens.

In an embodiment of the present invention, the image reading module comprises a CCD lens and a signal processing circuit board electrically connected to the CCD lens.

Convention:

10, 20‧‧‧Light source group

101, 201‧‧‧ body

102, 202‧‧‧ slotted

103, 203‧‧ ‧ light group

104, 204‧‧‧ circuit board

105, 205‧‧‧ lamps

30‧‧‧First mirror

40‧‧‧second mirror

50‧‧‧focus lens

60‧‧‧CCD light sensor module

70‧‧‧Scanned objects

80‧‧‧ optical channel

This creation:

1‧‧‧ machine base

11‧‧‧First Assembly Room

12‧‧‧Second assembly room

13‧‧‧ third assembly room

14‧‧‧ Optical channel

15‧‧‧ side wall

151‧‧‧Perforation

152‧‧‧Adjustment hole

153‧‧‧Scale data

2‧‧‧Light source group

21‧‧‧ Transmission rod

211‧‧‧ driven gear

22‧‧‧Loading board

221‧‧‧ tooth surface

222‧‧‧Depression

223‧‧‧ channel

224‧‧‧Group holes

225‧‧‧Locker

23‧‧‧light group

231‧‧‧ circuit board

232‧‧‧Lighting

3‧‧‧Transmission mechanism

31‧‧‧Actuating element

32‧‧‧Drive gear

33‧‧‧ even gear set

331‧‧‧First Passive Gear

332‧‧‧First external driven gear

34‧‧‧odd gear sets

341‧‧‧second passive gear

342‧‧‧third passive gear

343‧‧‧Second external driven gear

4‧‧‧Scanned objects

5‧‧‧Auxiliary light source group

51‧‧‧ boards

52‧‧‧Auxiliary lamps

6‧‧‧beam splitter

7‧‧‧First mirror

7a‧‧‧second mirror

8‧‧‧focus lens

9‧‧‧Image reading module

91‧‧‧CCD lens

92‧‧‧Signal Processing Board

Figure 1. Schematic diagram of a conventional line scan module.

Figure 2 is a schematic diagram of the appearance of the multiplexed light source line scanning module of the present invention.

FIG. 3 is a partially enlarged schematic view of the multiplexed light source line scanning module of the present invention.

Figure 4 is a partial exploded view of the multiplexed light source line scanning module of the present invention.

FIG. 5 is a side cross-sectional view showing the multiplexed light source line scanning module of the present invention.

FIG. 6 is a schematic diagram of the light source adjustment operation of the multiplexed light source line scanning module of the present invention.

FIG. 7 is a schematic diagram of another embodiment of the multiplexed light source line scanning module of the present invention.

The technical content and detailed description of this creation are as follows: Please refer to Figure 2 to Figure 5 for the appearance, partial enlargement, partial decomposition and side cross-sectional view of the multiplexed light source line scanning module. As shown in the figure: the multi-source line scanning module of the present invention comprises: a base 1, a light source set 2 and a transmission mechanism 3.

The base 1 has a first assembly chamber 11, a second assembly chamber 12 and a third assembly chamber 13. An optical passage 14 through which a light source (not shown) passes is formed between the first assembly chamber 11 and the second assembly chamber 12. Two symmetrical sidewalls 15 are disposed on both sides of the first assembly chamber 11 and the second assembly chamber 12, and the two sidewalls 15 have corresponding plurality of through holes 151 and a plurality of adjustment holes 152. The adjustment holes 152 have scale data 153 thereon for the two light source groups 2 to adjust the angle. In the present drawing, the adjustment hole 152 is curved.

The two light source groups 2 are respectively assembled in the first assembly chamber 11 and the second assembly chamber 12. Since the two light source groups have the same structure, in the detailed description, only one set of the light source groups 2 will be described. Each of the light source groups 2 includes a transmission rod 21, a carrier plate 22 and one or more lamp groups 23. The transmission rod 21 is assembled to the first assembly chamber 11 and passes through the through hole 151 of the side wall 15. At the two ends of the transmission rod 21 and adjacent to the inner side of the side wall 15, there are two symmetrical inner driven gears 211. . The carrier plate 22 is an aluminum extruded body having an arc shape in cross section. The back surface of the carrier plate 22 has a tooth surface 221 that meshes with the inner driven gear 211. The top surface of the carrier plate 22 has a recess. a portion 222; further having a hollow passage 223 between the top surface and the back surface of the carrier plate 22, the passage 223 for arranging wires (not shown); and having opposite ends of the carrier plate 22 The two sets of holes 224 are symmetrical to each other and are adapted to adjust the holes 224 of the holes 152 to assemble the two locks 225 to prevent the carrier plate 22 from being detached. The lamp unit 23 is assembled on the recessed portion 222. The lamp unit 23 has a circuit board 231 and a lamp 232 electrically connected to the circuit board 231. The lamp unit 232 is driven by the circuit board 231 to illuminate. In the present illustration, the luminaire 232 is a light bulb, a fluorescent tube, or a light emitting diode.

The transmission mechanism 3 is assembled on one of the two side walls 15. The transmission mechanism 3 includes an actuating member 31, a driving gear 32 pivotally connected to the through holes 151, and a pivoting mechanism. The even number of gear sets 33 and the odd gear set 34 are driven by the drive gear 32 on the perforations 151. The even-numbered gear set 33 includes a first driven gear 331 and a first external driven gear 332. The first external driven gear 332 is coupled to the transmission rod 21 passing through the through hole 151, and is driven by the internal drive. The gear 211 corresponds. The odd gear set 34 includes a second driven gear 341, a third driven gear 342, and a second outer driven gear 343 fixed to one end of the transmission rod 21 passing through the through hole 151.

When the driving member 31 drives the driving gear 32 to rotate, the driving gear 32 drives the even gear set 33 and the odd gear set 34 to rotate the two transmission rods 21 of the two light source groups 2, when the two transmission rods 21 rotate, The two inner driven gears 211 are driven to move the two carrier plates 22, so that the two light source groups 2 are synchronized and move in a circumferential direction in different directions (for example, when the light source group 2 moves clockwise, the other light source group 2 moves counterclockwise) ) to adjust the light source projection angle. In the present illustration, the actuating element 31 is a motor.

Please refer to FIG. 6 , which is a schematic diagram of the light source adjustment operation of the multiplexed light source line scanning module of the present invention. As shown in the figure: when the multiplexed light source line scanning module of the present invention performs light source adjustment, the object to be scanned 4 is centered, and when the light source is adjusted, when the driving element 31 drives the driving gear 32 to rotate, the active When the gear 32 synchronously drives the even gear set 33 and the odd gear set 34, the two transmission rods 21 of the two light source groups 2 are rotated, and the two inner driven gears 211 of the two transmission rods 21 drive the back of the two carrier plates 22 The tooth surface 221 moves the two carrier plates 22 synchronously, so that the two light source groups 2 are synchronized in a circumferential direction in different directions according to the center of the scanned object 4 (for example, when the light source group 2 moves clockwise, the other light source group 2 Move counterclockwise) to adjust the optimal projection angle of the light source. Or the manual gear set 33 and odd gears can be manually driven When the two carrier plates 22 of the two light source groups 2 are moved, the scale data 153 on the adjustment holes 152 can be visually observed to adjust the projection light source angle.

Because the scanned object 4 will be different in material material, surface treatment, color, etc. when scanning the plane image, different angles of light source are needed to obtain the best identification difference as image analysis and 瑕疵 recognition, so that the angle of the adjustable light source of the creation is made. The technology is more applicable to the field of the line scanning module.

Please refer to FIG. 7 , which is a schematic diagram of another embodiment of the multiplexed light source line scanning module of the present invention. As shown in the figure, the present invention adds one or more auxiliary light source groups 5 to the multiplexed light source line scanning module. The auxiliary light source group 5 has a circuit board 51 and an auxiliary light unit 52 for assembly. Below the second assembly chamber 12. The creation further comprises one or more beamsplitters 6, one or more first mirrors 7, one or more second mirrors 7a, one or more focusing lenses 8 and one or more Image reading module 9. The beam splitter 6 is assembled on the optical channel 14 of the first assembly chamber 11 and the second assembly chamber 12. The first mirror 7 is assembled in the third assembly chamber 13 and located below the beam splitter 6 Corresponding to the second mirror 7a, the second mirror 7a corresponds to the focus lens 8, and the image reading module 9 is assembled in the third assembly chamber 13 and is focused on the lens 8.

When scanning, the light source generated by the illuminator 232 of the two light source groups 2 is projected on the scanned object 4, and the light source of the auxiliary luminaire 51 is also projected on the beam splitter 6. At this time, some of the light sources will be Through the beam splitter 6, a part of the light source is reflected and passed through the optical channel 14 to the object 4 to be scanned, and then the light source (the light source including the lamp 232) is reflected by the scanned object 4 through the optical channel 14, and the reflected light source is also A part of the light source passes through the beam splitter 6, and a part of the light source is reflected on the first mirror 7, and then reflected by the first mirror 7 to the second reflector.

On the mirror 7a, the light source is projected onto the focus lens 8 by the second mirror 7a, and then projected onto the image reading module 9 for reception, and the image reading module 9 performs image signal processing. Output. In the figure, the image reading module 9 comprises a CCD lens 91 and a signal processing circuit board 92 electrically connected to the CCD lens 91.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. That is, the equal changes and modifications made by the patent application scope of this creation are covered by the scope of the creation patent.

1‧‧‧ machine base

11‧‧‧First Assembly Room

12‧‧‧Second assembly room

13‧‧‧ third assembly room

14‧‧‧ Optical channel

15‧‧‧ side wall

151‧‧‧Perforation

152‧‧‧Adjustment hole

153‧‧‧Scale data

2‧‧‧Light source group

21‧‧‧ Transmission rod

211‧‧‧ driven gear

22‧‧‧Loading board

221‧‧‧ tooth surface

222‧‧‧Depression

223‧‧‧ channel

224‧‧‧Group holes

225‧‧‧Locker

23‧‧‧light group

231‧‧‧ circuit board

232‧‧‧Lighting

3‧‧‧Transmission mechanism

31‧‧‧Actuating element

32‧‧‧Drive gear

33‧‧‧ even gear set

331‧‧‧First Passive Gear

332‧‧‧First external driven gear

34‧‧‧odd gear sets

341‧‧‧second passive gear

342‧‧‧third passive gear

343‧‧‧Second external driven gear

Claims (11)

A multiplexed light source line scanning module for scanning a scanned object, comprising: a base having a first assembly chamber, a second assembly chamber and a third assembly chamber, the first assembly chamber And an optical channel between the second assembly chamber; and two symmetrical sidewalls on the two sides of the first assembly chamber and the second assembly chamber, the two sidewalls have corresponding plurality of perforations and a plurality of adjustment holes; The two light source groups include two transmission rods pivotally connected to the perforations, two carrier plates driven by the two transmission rods, and assembled in the second assembly chamber. One or more light groups on the carrying plate; a transmission mechanism is assembled on the through holes, and the transmission mechanism is coupled to the transmission rod transmission relationship of the two light source groups; wherein, the object to be scanned is centered, When the light source is adjusted, the transmission mechanism synchronously drives the two transmission rods, so that the two transmission rods transmit the two carrier plates, so that the two light source groups are synchronized in a circumferential direction and in different directions according to the center of the scanned object to provide an effective line. scanning Groups so that image data can effectively highlight the differences as to facilitate image analysis and defect identification purposes. The multiplexed light source line scanning module of claim 1, wherein the two ends of the two transmission rods have two symmetrical inner driven gears adjacent to the side wall. The multiplexed light source line scanning module according to the first aspect of the invention, wherein the two carrier plates are aluminum extruded bodies having an arc shape in cross section, and each of the two carrier plates has one and the second The tooth surface of the inner driven gear meshes, the top surface of the two carrier plates has a recessed portion, and a hollow passage is formed between the top surface and the back surface of the carrier plate, and two of the carrier plates The end face has two aligning holes corresponding to the holes, and the two sets of holes are connected to the two locks. The multiplexed light source line scanning module of claim 3, wherein the light groups are assembled on the recessed portion, each of the light groups has a circuit board and a light fixture, and the light fixture is The board driver lights up. The multiplexed light source line scanning module of claim 3, wherein the transmission mechanism comprises an actuating element, a driving gear, an even gear set and an odd gear set pivotally connected to the perforations. The driving gear drives the even gear set and the odd gear set in synchronization. The multiplexed light source line scanning module according to claim 5, wherein the even number of gear sets includes a first driven gear and a first external driven gear, and the first external driven gear is connected to the wearer. Passing through one end of the transmission rod of the perforation and corresponding to the inner driven gear on the transmission rod. The multiplexed light source line scanning module of claim 6, wherein the odd gear set includes a second driven gear, a third driven gear, and another transmission fixed to the through hole. a second outer driven gear on one end of the rod and corresponding to the other inner driven gear. The multiplexed light source line scanning module of claim 5, wherein the actuating element is a motor. The multiplexed light source line scanning module of claim 1, further comprising one or more auxiliary light source groups, wherein the auxiliary light source group has a circuit board and an auxiliary lamp electrically connected to the circuit board. The composition is assembled under the second assembly chamber. The multiplexed light source line scanning module of claim 1, further comprising one or more beam splitters, one or more first mirrors, and one or more second reflections. a mirror, one or more focus lenses, and one or more image reading modules, the beam splitter being assembled on the optical channels of the first assembly chamber and the second assembly chamber, the first mirror being assembled The third assembly chamber is located below the beam splitter and obliquely corresponds to the second mirror. The second mirror corresponds to the focusing lens. The image reading module is assembled in the third assembly chamber and should be focused. lens. The multiplexed light source line scanning module of claim 10, wherein the image reading module comprises a CCD lens and a signal processing circuit board electrically connected to the CCD lens.