CN211627384U - Test piece sensing structure with projection light source test piece - Google Patents
Test piece sensing structure with projection light source test piece Download PDFInfo
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- CN211627384U CN211627384U CN201921825375.6U CN201921825375U CN211627384U CN 211627384 U CN211627384 U CN 211627384U CN 201921825375 U CN201921825375 U CN 201921825375U CN 211627384 U CN211627384 U CN 211627384U
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Abstract
The utility model discloses in provide a test piece sensing structure of utensil projection light source test piece, include: the one-dimensional or two-dimensional photosensitive strip is formed by a plurality of photosensitive elements in single-line or two-dimensional arrangement, wherein each photosensitive element is a photosensitive pixel; a light source located at the side of the one-dimensional or two-dimensional light-sensing strip and capable of emitting colored light with different colors ranging from infrared light, visible light to ultraviolet light and laser light; a test piece located under the one-dimensional or two-dimensional light-sensing strip; and a controller for receiving the image from the one-dimensional or two-dimensional light-sensing bar. The utility model discloses an mountable convex lens in the middle of this one-dimensional light sensing strip (or two-dimentional light sensing strip) and the test strip for assemble from this test strip reflected light and transmit this one-dimensional light sensing strip (or two-dimentional light sensing strip) again. The light source capable of projecting various colored lights is used for irradiating the test piece to form images of different colored lights, so that the image identification efficiency is higher, and the resolution can be greatly improved.
Description
Technical Field
The present invention relates to an image forming device, and more particularly to a test strip sensing structure with a projection light source test strip.
Background
As shown in fig. 1 to 2, the sensing mechanism for sensing a test strip in the prior art only includes: a two-dimensional light-sensing strip 20 'is formed by a plurality of light-sensing elements arranged in two dimensions, wherein each light-sensing element is a light-sensing pixel 22'. The light sensed by each photosensitive element is converted into a corresponding current and transmitted to a photosensitive chip 24'. And the lens 90' is positioned below the two-dimensional photosensitive strip and is a convex lens. When light irradiates a test strip 40 ', the reflected light is converged by the lens 90' to the two-dimensional light-sensing strip to form a two-dimensional image. And the test piece 40 ' is positioned below the two-dimensional photosensitive strip and the lens 90 ', and when light irradiates the test piece 40 ', the light is reflected by the test piece 40 ', converged by the lens 90 ' and then received by the two-dimensional photosensitive strip. In practice, the test strip 40 ' often covers a much larger area than the area imaged by the two-dimensional light-sensing strip each time, so that the test strip 40 ' must be moved to scan the test strip 40 ' with the two-dimensional light-sensing strip in a gradual manner, thereby forming a plurality of segmented two-dimensional images. Wherein the test strip is supported by the moving platform 70 'and driven by a driver 80'. A controller 50 'receives the segmented two-dimensional images from the two-dimensional light-sensing bars and can continuously receive the segmented two-dimensional images from the two-dimensional light-sensing bars and integrate the continuously received segmented two-dimensional images into an integrated two-dimensional image representing the image of the test strip 40'. The controller 50 'may be connected to a display 60' for displaying images.
In the conventional structure, a specific light source is not applied, but natural light is used as the light source, so that the obtained test piece image is an image after white light irradiation. However, in practice, many test strips, especially those with physiological structures, have a sensitive reaction to specific light, so that the image formed by the monochromatic light can have a high identification effect, but the image induced by the white light irradiation cannot show such a special effect, so that the obtained image recognition rate is lower than that of the present invention.
Therefore, the present invention is to provide a new solution to overcome the above-mentioned drawbacks in the prior art.
SUMMERY OF THE UTILITY MODEL
So the utility model discloses a solve the problem on the above-mentioned prior art, the utility model discloses in provide a test piece sensing structure of utensil projection light source test piece, wherein use the utility model discloses a light source that the structure can be thrown various chromatic light forms the image of different chromatic lights with the irradiation test piece for the efficiency that the image was discerned is higher, promotion that moreover the resolution can be great. Conventionally, a light source is not applied, but natural light is used as the light source, so that the obtained image recognition rate is lower than that of the present invention.
In order to achieve the above object, the present invention provides a testing sheet sensing structure with a testing sheet having a projection light source, comprising: the one-dimensional photosensitive strip is formed by a plurality of photosensitive elements in a single line arrangement, wherein each photosensitive element is a photosensitive pixel; each photosensitive element is used for converting the sensed light into corresponding current and then transmitting the current to a photosensitive wafer; a light source located at the side of the one-dimensional light-sensing strip for emitting colored light with different colors, wherein the colored light ranges from infrared light, visible light to ultraviolet light and laser light; the test piece is positioned below the one-dimensional photosensitive strip and used for receiving the light projected by the light source and reflecting the light to the one-dimensional photosensitive strip for receiving; and the controller is used for receiving the images from the one-dimensional light sensing bars, continuously receiving the images from the one-dimensional light sensing bars and integrating the continuously received images into a two-dimensional image.
In another embodiment of the present invention, the present invention comprises a two-dimensional photosensitive strip, which is formed by a plurality of photosensitive elements, wherein each photosensitive element is a photosensitive pixel; each photosensitive element is used for converting the sensed light into corresponding current and then transmitting the current to a photosensitive wafer; the light source is positioned on the side edge of the two-dimensional light sensing strip and used for emitting colored light with different colors, and the colored light ranges from infrared rays, visible light, ultraviolet rays and laser light; the test piece is positioned below the two-dimensional light sensing strip and used for receiving the colored light projected by the light source and reflecting the colored light to the two-dimensional light sensing strip; and the controller is used for receiving the segmented two-dimensional images from the two-dimensional light sensing strips, continuously receiving the segmented two-dimensional images from the two-dimensional light sensing strips, and integrating the continuously received segmented two-dimensional images into an integral two-dimensional image for presenting the image of the test strip.
The controller of the two embodiments of the present invention can be connected to a display, and can be used for displaying images; the light source projects different color lights, so that the controller forms test piece images irradiated by different color lights for better observation by applying different test piece images; the utility model discloses still include a moving platform and be used for supporting this test strip, and include a driver, this controller is connected to this driver.
The present invention provides a lens mountable in the middle of the one-dimensional light-sensing strip (or two-dimensional light-sensing strip) and the test strip in the above two embodiments, the lens is located below the one-dimensional light-sensing strip (or two-dimensional light-sensing strip), and the lens is a convex lens for converging the light reflected from the test strip and then transmitting the light to the one-dimensional light-sensing strip (or two-dimensional light-sensing strip).
Further features of the invention and advantages thereof will be apparent from the following description, when read in conjunction with the accompanying drawings.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of a prior art test strip sensing system.
FIG. 2 shows an embodiment of a prior art test strip sensing system.
Fig. 3 shows a schematic diagram of a one-dimensional structure of the test strip sensing system of the present invention.
FIG. 4 is a block diagram of the wafer sensing system of FIG. 3.
Fig. 5 shows a schematic diagram of a one-dimensional structure of the test strip sensing system of the present invention, wherein a lens is installed between the light-sensitive strip and the test strip.
Fig. 6 shows a schematic diagram of a two-dimensional structure of the test strip sensing system of the present invention.
FIG. 7 is a block diagram showing the physical structure of the test strip sensing system of FIG. 5.
Fig. 8 shows a schematic diagram of a two-dimensional structure of the test strip sensing system of the present invention, wherein a lens is installed between the light-sensitive strip and the test strip.
Description of the reference numerals
10 one-dimensional light-sensing strip 40' test piece
12 photo-sensing pixel 50 controller
14 photo-sensing wafer 50' controller
20 two-dimensional light-sensing bar 60 display
20 'two-dimensional light-sensing bar 60' display
22 photosensitive pixel 70 moving platform
22 'photosensitive pixel 70' moving platform
24 photo-sensing wafer 80 driver
24 'photosensitive wafer 80' driver
30 light source 90 lens
40 test piece 90' lens.
Detailed Description
Now, the structure of the present invention, and the effects and advantages thereof, will be described in detail with reference to the accompanying drawings.
Referring to fig. 3 to 4, a test strip sensing structure with a test strip of a projection light source according to the present invention is shown, which includes the following components:
a one-dimensional light sensing strip 10 is formed by a plurality of light sensing elements arranged in a single line, wherein each light sensing element is a light sensing pixel 12. The light sensed by each photosensitive element is converted into a corresponding current and then transmitted to a photosensitive chip 14.
A light source 30 located at the side of the one-dimensional light-sensing strip 10 and emitting colored light with different colors ranging from infrared, visible light, ultraviolet and laser light.
A test strip 40 is located below the one-dimensional light-sensing strip 10, and the light projected by the light source 30 is irradiated to the test strip 40, reflected by the test strip 40, and received by the one-dimensional light-sensing strip 10.
A controller 50 receives the images from the one-dimensional light-sensing bar 10, and can continuously receive the images from the one-dimensional light-sensing bar 10 and integrate the continuously received images into a two-dimensional image. The controller 50 may be connected to a display 60 for displaying images.
The one-dimensional light-sensing strip 10 receives the reflected light from the test strip 40 to form a one-dimensional image, and then transmits the one-dimensional image to the controller 50 through the light-sensing chip 14, and the controller integrates the continuously received one-dimensional images into a two-dimensional image.
The present invention further comprises a moving platform 70 for supporting the test strip 40, and comprising a driver 80, wherein the driver 80 is connected to the controller 50, and the controller 50 controls the test strip 40 to move along a specific direction according to a proper timing sequence, so that the one-dimensional light sensing strip 10 can receive the continuous one-dimensional image of the test strip 40, thereby avoiding the situation of image interval. The utility model discloses in also can remove this one-dimensional sensitization strip 10 and reach the purpose in order to form images of scanning test piece, perhaps make both relative movement this all be in the utility model discloses an within range.
The light source 30 can project different color lights, so that the controller 50 forms an image illuminated by the different color lights. If the light source projects red light, the one-dimensional light sensing strip 10 receives the reflected image of red light and transmits the reflected image to the controller 50, and the controller 50 can integrate the red light image and project different color lights to integrate different images, including an infrared image and an ultraviolet image. This is particularly important for biological testing, since images of different colors may be discernibly sensitive to certain devices under test. Therefore, the utility model discloses in use the light source 30 that can throw various chromatic light to shine test piece 40 to form the image of different chromatic light, make the efficiency that the image was discerned higher. Conventionally, a light source is not applied, but natural light is used as the light source, so that the obtained image recognition rate is lower than that of the present invention.
As shown in fig. 5, a lens 90 of the present invention is a convex lens located below the one-dimensional light-sensing strip 10 and above the test strip 40. When the light projected from the light source 30 is irradiated to the test strip 40, the light reflected by the test strip 40 is converged by the lens 90 to reach the one-dimensional light-sensing strip 10, so as to form a one-dimensional image.
Referring to fig. 6 to 7, a second embodiment of the present invention is shown, which is a planar sensor similar to the first embodiment. The second embodiment comprises the following elements:
a two-dimensional light-sensing strip 20 is formed by a plurality of light-sensing elements arranged in two dimensions, wherein each light-sensing element is a light-sensing pixel 22. The light sensed by each photosensitive element is converted into a corresponding current and then transmitted to a photosensitive chip 24.
A light source 30, which is located at the side of the two-dimensional light-sensing strip and can emit colored light with different colors, ranging from infrared light, visible light to ultraviolet light, and laser light.
And the test strip 40 is positioned below the two-dimensional light sensing strip 20, and the light projected by the light source 30 is irradiated to the test strip 40, reflected by the test strip 40 and received by the two-dimensional light sensing strip 20. In practice, the area covered by the test strip 40 is usually much larger than the area imaged by the two-dimensional light-sensing bar 20 each time, so that the test strip 40 must be moved to scan the test strip 40 by the two-dimensional light-sensing bar 20 gradually, thereby forming a plurality of segmented two-dimensional images.
A controller 50 receives the segmented two-dimensional images from the two-dimensional light-sensing bars 20 and can continuously receive the segmented two-dimensional images from the two-dimensional light-sensing bars 20 and integrate the continuously received segmented two-dimensional images into an integrated two-dimensional image representing the image of the test strip 40. The controller 50 may be connected to a display 60 for displaying images.
The utility model discloses still include a moving platform 70 and be used for supporting this test strip 40, and contain a driver 80, this controller 50 is connected to this driver 80, is controlled by this controller 50 and removes along a specific direction with this test strip 40 of appropriate chronogenesis drive for this two-dimensional sensitization strip 20 can receive the continuous two-dimensional image of this test strip 40, avoids having the condition of image interlude. The utility model discloses in also can remove this two-dimentional sensitization strip 20, reach the purpose with the formation of image of scanning test piece 40, perhaps make both relative movement this all be in the utility model discloses an within range.
Similarly, the light source 30 can project different color lights, so that the controller 50 forms an image illuminated by the different color lights. If the light source 30 projects red light, the two-dimensional light-sensing bar 20 receives the reflected image of red light and transmits the reflected image to the controller 50, and the controller 50 can integrate the red light image and project different color lights to integrate different images, including an infrared image and an ultraviolet image. This is particularly important for biological testing, since images of different colors may be discernibly sensitive to certain devices under test. Therefore, the utility model discloses in use the light source 30 that can throw various chromatic light to shine test piece 40 to form the image of different chromatic light, make the efficiency that the image was discerned higher. Conventionally, a light source is not applied, but natural light is used as the light source, so that the obtained image recognition rate is lower than that of the present invention.
As shown in fig. 8, the present invention further includes a lens 90, which is a convex lens, located below the two-dimensional light-sensing strip 20 and above the test strip 40. When the light projected from the light source 30 is irradiated to the test strip 40, the light reflected by the test strip 40 is converged by the lens 90 to reach the two-dimensional light-sensing bar 20, so as to form a two-dimensional image. The above detailed description is specific to the possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. A test strip sensing structure with a test strip of a projection light source is characterized by comprising:
the one-dimensional photosensitive strip is formed by a plurality of photosensitive elements in a single line arrangement, wherein each photosensitive element is a photosensitive pixel; each photosensitive element is used for converting the sensed light into corresponding current and then transmitting the current to a photosensitive wafer;
a light source located at the side of the one-dimensional light-sensing strip for emitting colored light with different colors, wherein the colored light ranges from infrared light, visible light to ultraviolet light and laser light;
the test piece is positioned below the one-dimensional photosensitive strip and used for receiving the colored light projected by the light source and reflecting the colored light to the one-dimensional photosensitive strip for receiving; and
and the controller is used for receiving the images from the one-dimensional light sensing bars, continuously receiving the images from the one-dimensional light sensing bars and integrating the continuously received images into a two-dimensional image.
2. The test strip sensing structure of claim 1, wherein the controller is connected to a display for displaying images.
3. The test strip sensing structure of claim 1, wherein the light source is used to project different color lights, so that the controller forms the test strip image illuminated by different color lights for better observation by using different test strip images.
4. The test strip sensing structure of claim 1, further comprising a moving platform for supporting the test strip, and a driver connected to the controller.
5. The test strip sensing structure of claim 1, further comprising a lens disposed below the one-dimensional light-sensing strip and above the test strip, the lens being a convex lens.
6. A test strip sensing structure with a test strip of a projection light source is characterized by comprising:
a two-dimensional photosensitive strip, which is formed by a plurality of photosensitive elements in two-dimensional arrangement, wherein each photosensitive element is a photosensitive pixel; each photosensitive element is used for converting the sensed light into corresponding current and then transmitting the current to a photosensitive wafer;
the light source is positioned on the side edge of the two-dimensional light sensing strip and used for emitting colored light with different colors, and the colored light ranges from infrared rays, visible light to ultraviolet rays and laser light;
the test piece is positioned below the two-dimensional light sensing strip and used for receiving the colored light projected by the light source and reflecting the colored light to the two-dimensional light sensing strip; and
and the controller is used for receiving the segmented two-dimensional images from the two-dimensional light sensing strips, continuously receiving the segmented two-dimensional images from the two-dimensional light sensing strips, and integrating the continuously received segmented two-dimensional images into an integral two-dimensional image for presenting the image of the test strip.
7. The test strip sensing structure of claim 6, wherein the controller is connected to a display for displaying images.
8. The test strip sensing structure of claim 6, wherein the light source is used to project different color lights, so that the controller forms the test strip image illuminated by different color lights for better observation by using different test strip images.
9. The test strip sensing structure of claim 6, further comprising a moving platform for supporting the test strip, and a driver connected to the controller.
10. The test strip sensing structure of claim 6, further comprising a lens disposed under the two-dimensional light-sensing strip and above the test strip, the lens being a convex lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825375.6U CN211627384U (en) | 2019-10-28 | 2019-10-28 | Test piece sensing structure with projection light source test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825375.6U CN211627384U (en) | 2019-10-28 | 2019-10-28 | Test piece sensing structure with projection light source test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211627384U true CN211627384U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921825375.6U Expired - Fee Related CN211627384U (en) | 2019-10-28 | 2019-10-28 | Test piece sensing structure with projection light source test piece |
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| Country | Link |
|---|---|
| CN (1) | CN211627384U (en) |
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2019
- 2019-10-28 CN CN201921825375.6U patent/CN211627384U/en not_active Expired - Fee Related
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