TWI585386B - Portable detection device - Google Patents

Description

Portable detection device

The invention relates to a portable detecting device, in particular to a multi-purpose portable detecting device.

Currently, the instrument used to detect the fluorescence reaction of a substance is mainly used with a specific filter and a specific wavelength stimulator to assist in the capture of the fluorescent image. The performance of the device is not good because the filter on the instrument must be manually switched. operating. In addition, the light source of the light projection can only be placed on a plane, which limits the number of light sources that are projected, and cannot concentrate the light source on the object to be tested.

It is an object of the present invention to provide a portable detection device that overcomes the deficiencies of the prior art and is versatile.

The portable detecting device of the present invention is applied to the detection of an object to be tested, and comprises a multi-source sensing head and a control device. The multi-source sensing head has a base and a plurality of light emitting units, and the base defines an axis. a core and an axis extending from the axis, the base defines a through hole for the light to pass through the axis, and the base extends from the axis to a circumference to define an inner wall and has an opening. And the area of the inner wall is larger than the area of the opening, and the light emitting units are dispersedly disposed on the inner wall of the base, and the light of each of the light emitting units The beam is projected toward the axis, and each of the light-emitting units is controlled to switch to emit light of different wavelengths; the control device is disposed adjacent to the axis for controlling each of the light-emitting units to emit light of different wavelengths and receiving the light-emitting units to be projected The reflected light of the object to be tested generates an image signal.

The control device has filters of a plurality of different wavelength ranges and a transmission module. The driving module drives the filter to rotate, so that each of the light-emitting units projects the reflected light of the object to be tested through each of the filters to generate different filtering effects. In addition, the control device has a motor module, an image sensing module and a control unit. The motor module is controlled to drive the driving module to operate; the image sensing module is controlled to capture the filtered light to form an image signal; the control unit is electrically connected to the light emitting unit, the motor module, and The image sensing module controls the controlled switching of the light emitting units to emit light of different wavelengths, and the motor module drives the driving module to rotate the filters to project the light emitting units on the object to be tested. The reflected light respectively passes through any of the filters to generate filtered light of different filtering effects, and the image sensing module captures the filtered light to form the image signal.

In one embodiment, the transmission module has a plurality of rotating wheels and a transmission rod, and each of the rotating wheels is spaced along the axis, and has a disk body internally circumscribing the filters and a disk formed thereon. a gear tooth on the outer edge of the disk; the transmission rod is rotated by the motor module, has a shaft body and is formed on the front edge of the shaft body and meshes with the gear teeth of each of the wheel wheels, and the size thereof is designed a threaded portion that rotates one of the gear teeth one turn; thereby, the control unit controls the motor module to drive the transmission rod to move parallel to the axis The transmission rod is rotated one by one in sequence, and each of the illumination units and each of the filters is produced in a different combination.

In another embodiment, the transmission module has a plurality of transmission components, a plurality of runners, and a transmission rod; each of the transmission assemblies has a body and an external gear at both ends of the body; each of the runners is spaced along the axis Provided that each has a disk body internally circumscribing the filters and a pinion protruding from the disk body, and the pinion gear meshes with an external gear of each of the transmission components; The motor module is driven to generate front and rear displacement, and has a shaft and a rack formed on the front edge of the shaft and engaging with another external gear of each of the transmission components and sized to rotate one wheel one turn Thereby, the control unit controls the motor module to drive the transmission rod to move parallel to the axis, so that the transmission rod sequentially rotates one of the reels each time, and each of the illumination units and each of the filters is generated. Different combinations.

In the foregoing two embodiments, the total number of combinations of the light-emitting units and each of the filters is: the total number of light-emitting units in different bands multiplied by the total number of the wheels, and multiplied by each of the wheels. The total number of filters.

In addition, the pedestal has a concave bowl shape, and the illuminating units are arranged in a plurality of rings from the inside to the outside. The filter disc module has at least one rotating wheel, and the rotating wheel has a plurality of receiving holes to surround the filters.

The portable detecting device further includes a sleeve disposed at the front end of the multi-source sensing head for shielding external light, and the portable detecting device is used for capturing a biomedical image and a fluorescent image. , or a specific spectral image.

The effect of the invention is that the area of the inner wall is larger than the The area of the opening, the number of the light-emitting units dispersedly disposed on the inner wall of the base will be much larger than the number of the light-emitting units disposed in the original plane, and the light beams of the respective light-emitting units of the multi-source sensing head project toward the axis With a concentrated effect.

100‧‧‧ portable detection device

231‧‧‧ Screw holes

1‧‧‧Control device

232‧‧‧Wire hole

10‧‧‧Control unit

233, 234‧‧‧ curved grooves

11‧‧‧Light source drive unit

241‧‧‧ big hole

12‧‧‧Filter disk module

242‧‧‧Small hole

120‧‧‧Mounting holes

25‧‧‧ Front seat

121‧‧‧Runner

251‧‧‧ hole

122‧‧‧Filter

252‧‧‧ Pull hole

13‧‧‧Image sensing unit

253‧‧‧L-shaped groove

14, 6‧‧‧ drive module

201‧‧‧through hole

141~143, 641~643‧‧‧runner

202‧‧‧ inner wall

145, 65‧‧‧ transmission rod

203‧‧‧ openings

15‧‧‧Motor Module

3‧‧‧Lighting unit

151‧‧‧ shaft

4‧‧‧ casing

16‧‧‧ dish

5‧‧‧Test object

161‧‧‧ teeth

61~63‧‧‧ Transmission components

171‧‧ Thread Department

611‧‧‧Ontology

172, 653‧‧ ‧ smoothing department

612, 613‧‧‧ external gear

2‧‧‧Multiple light source sensor head

651‧‧‧ shaft

21‧‧‧Base

652‧‧‧Rack Department

22‧‧‧ axis

71‧‧‧ dish

23‧‧‧Back seat

72‧‧‧ pinion

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a schematic diagram illustrating an embodiment of a portable detection device having a multi-source sensing head FIG. 2 is an exploded perspective view showing the mechanism design of the portable detecting device having a single rotating wheel; FIG. 3 is an exploded perspective view showing a part of the assembly of another view of FIG. 2; 4 is a schematic diagram showing an embodiment in which the portable detecting device has a plurality of rotating wheels; FIG. 5 is a schematic view showing the appearance of one of the rotating wheels in FIG. 4; FIG. 6 is a schematic view showing the portable detecting The apparatus has an embodiment of a plurality of runners; Fig. 7 is a schematic view showing the appearance of one of the runners of Fig. 6; and Fig. 8 is a schematic view showing the appearance of a drive shaft of Fig. 6.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1, in the embodiment of the present invention, the portable test of the present invention The measuring device 100 is a video signal for detecting a predetermined object 5 to obtain a predetermined optical effect, for example, a medical image, a fluorescent image, or a specific image for capturing a sample of an animal/plant/environment/food. Spectral imagery.

The portable detecting device 100 includes a control device 1 and a multi-source sensing head 2, which are described in detail below.

The multi-source sensing head 2 has a base 21 and a plurality of light-emitting units 3. The base 21 defines an axis and an axis 22 extending from the axis. The base 21 forms a light-permeable passage in the axis. a through hole 201, and the base 21 extends from the axis to a circumference to define an inner wall 202 and has an opening 203, and an area of the inner wall 202 is larger than an area of the opening 203, and the light emitting units 3 are dispersedly Disposed on the inner wall 202 of the base 21, the light beams of the light-emitting units 3 are projected toward the axis 22, and each of the light-emitting units 3 is controlled to switch to emit light of different wavelengths; the control device 1 is disposed adjacent to the axis 22 for receiving The light-emitting units 3 project the reflected light of the object to be tested 5 to generate an image signal.

The control device 1 has a control unit 10, a light source driving unit 11, a filter disk module 12, an image sensing unit 13, a transmission module 14, and a motor module 15.

The filter disc module 12 has a filter 122 of a plurality of different wavelength ranges; the drive module 14 drives the filter disc module 12 to rotate, so that the reflected light of each of the light-emitting units 3 projected on the object to be tested 5 passes through Filters 122 of different wavelength ranges (as shown in Figures 2 and 3) produce filtered light of different filtering effects.

The motor module 15 is controlled by the control unit 10 to drive the transmission The movable module 14 operates. The image sensing unit 13 is controlled to capture the filtered light to form an image signal. The control unit 10 is electrically connected to the light source driving unit 11, the motor module 15, and the image sensing unit 13, so that the light source driving unit 11 controls the controlled switching of the light emitting units 3 to emit light of different wavelengths, and the motor module 15 drives the transmission. The module 14 drives the filter disc module 12 to rotate, so that the reflected light of the object to be tested 5 is filtered by the filter 122 of different wavelength ranges to generate different filtering effects of the filter light, and The image sensing unit 13 captures the filtered light to form the image signal.

Referring to FIG. 1 to FIG. 3, in an embodiment of the present invention, the base 21 has a concave bowl shape, and the light-emitting units 3 are arranged in a plurality of rings from the inside to the outside. The filter disc module 12 has a rotating wheel 121. The rotating wheel 121 has a plurality of receiving holes 130 for encircling the filters 122. The portable detecting device 100 further includes a sleeve 4 disposed at the front end of the multi-source sensing head 2 for shielding external light.

The multi-light source sensing head 2 includes a rear seat body 23 and a front seat body 25. The rear side of the rear seat body 23 has two screw holes 231 for fixing the rear end of the multi-source light sensing head 2 to the image sensing unit 13, and the rear seat body. A wire hole 232 at the lower side of the rear side of the rear side of the rear seat body 23 is used for driving the power line, and an arcuate groove 233 above the rear side of the rear seat body 23 is a reserved space for placing an image forming lens (not shown). A large hole 241 in front of the rear seat body 23 is a moving passage of the image forming lens.

An arcuate groove 234 under the rear side of the rear seat body 23 is a display driving motor module 15, and a small hole 242 in front of the rear seat body 23 is used for the motor module. A rotating shaft 151 of 15 passes through and is mounted to a mounting hole 120 of the rotating wheel 121 to drive the rotating wheel 121 to rotate. The runner 121 is designed such that the different filter plates 122 on the runner 121 can respectively correspond to the large holes 241 (image channels) of the rear seat body 23.

The front seat body 25 has a hole 251 for the light to be taken by the image sensing unit 13 . The front seat body 25 has a wire hole 252 for passing the driving power line of the light emitting unit 3 , and the front seat body 25 has an L on each side of the front end of the front body 25 . The groove 253 is for screwing a sleeve 4 for fixing.

There are two sets of embodiments for the mechanism design of multiple runners, which are described below.

Referring to FIG. 4 and FIG. 5, and in conjunction with FIG. 1, an embodiment of a plurality of runners is a combination of a turbine and a scroll. The transmission module 14 has a plurality of runners 141-143 (this example is three turbines). When not limited by this number) and a transmission rod 145 (vortex rod), each of the rotating wheels 141-143 is spaced along the axis 22, and each has a disk body 16 internally circumscribing the filters 122. And a gear tooth portion 161 formed on the outer edge of the disk body 16; the transmission rod 145 has a shaft 17 driven by the motor module 15 to rotate, and is formed on the front edge of the shaft 17 and is coupled to the respective wheels 141, 142 Or the gear portion 161 of the 143 is engaged and dimensioned such that a threaded portion 171 and a smooth portion 172 of one of the gear teeth 161 are rotated; thereby, the control unit 10 can control the motor module 15 to drive the transmission The rod 145 is moved parallel to the axis 22 such that the transmission rod 145 sequentially rotates one of the reels 141, 142 or 143 each time, and when the smoothing portion 172 passes, the revolving wheel 141, 142 or 143 is not rotated, thereby allowing the respective illumination units 3 and each filter 122 produces a different combination.

Referring to Figures 6 to 8, and in conjunction with Figure 1, another of the plurality of runners In the embodiment, the transmission module 6 has a plurality of transmission components 61-63, a plurality of runners 641-643 and a transmission rod 65. Each of the transmission components 61-63 has a body 611 and external gears 612, 613 located at opposite ends of the body 611. Each of the runners 641-643 is spaced apart along the axis 22, and has a disk body 71 internally circumscribing the filters 122 and a pinion 72 protruding from the disk body 71, and the pinion 72 is The external gears 612 of the respective transmission assemblies 61-63 mesh with each other.

The transmission rod 65 is driven by the motor module 15 to generate front and rear displacement, and has a shaft 651 and a front edge formed on the shaft 651 and meshes with another external gear 613 of each of the transmission assemblies 61-63 and is sized so that one A rack portion 652 and a smooth portion 653 of one turn of the runner 641, 642 or 643. Thereby, the control unit 10 controls the motor module 15 to drive the transmission rod 65 to move parallel to the axis 22 so that the transmission rod 65 sequentially rotates one of the reels 641, 642 or 643 each time, and the smoothing portion 653 does not rotate the revolver when passing. 641, 642 or 643, in turn, each of the light-emitting units 3 and the respective filters 122 are produced in different combinations.

In the foregoing two embodiments, when the camera is electrically connected to a shooting button (not shown) of the control unit 10, the light-emitting unit 3 and the filter 122 can be automatically picked up to obtain multiple rotations. The combined image signal generated by the wheel (the foregoing embodiment is the rotating wheel 141~143 and the rotating wheel 641~643 respectively), and the maximum number of image signals captured by different conditions is calculated as: the light emitting unit 3 of different wavelength bands The total number is multiplied by the total number of the reels (the aforementioned embodiments are the reels 141 to 143 and the reels 641 to 643, respectively), and multiplied by the total number of the filters 122 on each of the reels.

In summary, the effect of the present invention is: portable detection device The multi-source sensing head 2 of the 100 is configured such that the area of the inner wall 202 is larger than the area of the opening 203, and the number of the light-emitting units 3 dispersedly disposed on the inner wall 202 will be much larger than the number of the light-emitting units 3 disposed in the original plane. And the light beam of each of the light-emitting units 3 of the multi-light source sensing head 2 is projected toward the axis 22, and has a concentrated effect. In addition, the mechanism design of the plurality of reels 141 to 143 or the plurality of reels 641 to 643 enables the number of filters 122 that can be accommodated in the portable detection device 100 to increase, thereby increasing the portable detection. The combination and quantity of the different wavelength bands of the device 100 and the filters 122 of different bands can be achieved, so that the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

100‧‧‧ portable detection device

2‧‧‧Multiple light source sensor head

1‧‧‧Control device

21‧‧‧Base

10‧‧‧Control unit

22‧‧‧ axis

11‧‧‧Light source drive unit

201‧‧‧through hole

12‧‧‧Filter disk module

202‧‧‧ inner wall

13‧‧‧Image sensing unit

203‧‧‧ openings

14‧‧‧Drive Module

3‧‧‧Lighting unit

15‧‧‧Motor Module

5‧‧‧Test object

Claims (10)

A portable detecting device is applied to the detection of a test object, comprising: a multi-source sensing head having: a base defining an axis and an axis extending from the axis, the base being The axis forms a through hole for light to pass through, and the base extends from the axis to a circumference to define an inner wall and has an opening, and the inner wall of the base has a concave bowl shape and the inner wall The area of the inner wall is larger than the area of the opening, and a plurality of light-emitting units are dispersedly disposed on the inner wall of the base, and the light beams of the light-emitting units are projected toward the axis, and each of the light-emitting units is controlled to switch to emit different wavelengths. And a control device disposed adjacent to the axis for controlling each of the light emitting units to emit light of different wavelengths and receiving reflected light of the light emitting unit projected on the object to be tested to generate an image signal. The portable detecting device of claim 1, wherein the control device has: a filter of a plurality of different wavelength ranges; and a driving module that drives the filters to rotate to cause each of the light emitting units to be projected The reflected light of the object to be tested passes through any of the filters to generate filtered light of different filtering effects. The portable detecting device of claim 2, wherein the control device has: a motor module controlled to drive the driving module to operate; and an image sensing module controlled to capture the filtered light Form one And a control unit electrically connected to the light emitting unit, the motor module and the image sensing module, controlling the controlled switching of the light emitting units to emit light of different wavelengths, and the motor module drives the driving The module drives the filter to rotate, so that each of the light-emitting units projects the reflected light of the object to be tested through each of the filters to generate different filtering effects, and the image sensing module is The filtered light is extracted to form the image signal. The portable detecting device of claim 3, wherein the driving module has: a plurality of rotating wheels, each of the rotating wheels being spaced along the axis, and each having a disk internally circumscribing the filters And a gear tooth formed on the outer edge of the disk; and a transmission rod rotated by the motor module, having a shaft and teeth formed on the front edge of the shaft and each of the wheels a threaded portion and a smoothing portion that is sized to rotate one of the gear teeth; whereby the control unit controls the motor module to drive the transmission rod to move parallel to the axis to cause the transmission rod One of the reels is rotated one at a time, and each of the illumination units and each of the filters is produced in a different combination. The portable detection device of claim 3, wherein the transmission module has: a plurality of transmission components, each of the transmission components having a body and An outer gear of the two ends of the body; a plurality of rotating wheels, each of the rotating wheels being spaced along the axis, respectively having a disk body internally circumscribing the filters and a pinion protruding from the disk body, And the pinion gear meshes with an external gear of each of the transmission components; and a transmission rod is driven by the motor module to generate front and rear displacement, has a shaft body and is formed on the front edge of the shaft body and each of the transmission components The other external gear is meshed and dimensioned such that a rotating portion of the rotating wheel is rotated one turn; thereby, the control unit controls the motor module to drive the transmission rod to move parallel to the axis to cause the transmission rod One of the reels is rotated one at a time, and each of the illumination units and each of the filters is produced in a different combination. The portable detecting device of claim 4 or 5, wherein the number of combinations of the light emitting units and each of the filters is the total number of light emitting units of different wavelength bands multiplied by the total number of the rotating wheels. Multiply by the total number of filters on each of the wheels. The portable detecting device according to claim 6, wherein the base is in the shape of a concave bowl, and the light emitting units are arranged in a plurality of rings from the inside to the outside. The portable detecting device of claim 6, wherein each of the rotating wheels has a plurality of receiving holes to surround the filters. The portable detecting device of claim 6, further comprising a sleeve disposed at a front end of the multi-source sensing head for shielding external light. The portable detecting device according to claim 6, which is applied to extracting the A lifetime medical image, a fluorescent image, or a specific spectral image of the object to be tested.