CN108760240B - Detection method and device for uniformity of illumination of acquisition light path of traditional Chinese medicine inspection instrument - Google Patents
Detection method and device for uniformity of illumination of acquisition light path of traditional Chinese medicine inspection instrument Download PDFInfo
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- 239000000523 sample Substances 0.000 claims abstract description 60
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- 239000002131 composite material Substances 0.000 claims description 17
- 238000005259 measurement Methods 0.000 abstract description 9
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
Abstract
The invention provides a detection device for the uniformity of illumination of an acquisition light path of a traditional Chinese medicine inspection instrument, which comprises an inspection space positioning assembly, a detection device and a detection device, wherein the inspection space positioning assembly consists of a base, a vertical axis, a horizontal axis and a wheel disc sight glass; the coaxial alignment assembly consists of a level gauge and an infrared sight glass, and the level gauge and the infrared sight glass are arranged on the wheel disc sight glass; and the illuminance detection assembly comprises a probe, and the probe is rotatably arranged on the wheel disc sight. The invention also provides a detection method of the detection device. The detection method and the detection device can solve the problems of complicated and time-consuming detection of the uniformity of the planar illuminance of the inspection of the traditional Chinese medicine, large measurement error and the like, and meet the requirements of batch detection on the accuracy and the stability of the inspection instrument.
Description
Technical Field
The invention relates to the field of detection of traditional Chinese medicine inspection instruments, in particular to a detection method and a detection device for uniformity of illuminance of an acquisition light path of a traditional Chinese medicine inspection instrument.
Background
The inspection instrument can collect the face color and tongue image digital image information of the traditional Chinese medicine, and is applied to the fields of clinical diagnosis, curative effect evaluation, health physical examination and the like of the traditional Chinese medicine. From the 50 th century of the 20 th century, technologies such as digital photographing, photoelectric conversion and spectrum are gradually introduced into the traditional Chinese medicine inspection research, so that the modern traditional Chinese medicine inspection research with multi-disciplinary intersection characteristics is formed; the inspection research fused with the digital photographing technology is the most mature, the national main research team is Shanghai university of traditional Chinese medicine, tianjin university of traditional Chinese medicine, beijing university of industry, harbin university of industry, taiwan university of middle mountain and the like, the foreign main research team is U.S. university of Misu, japanese university of thousand leaves and the like, and 10 inspection instruments are not developed at present.
However, in research, it was found that besides the light source, the correction method and the CCD imaging device, the illuminance uniformity of the inspection space in the inspection acquisition light path is related to the accuracy of information reproduction such as face color, tongue image color, etc., and chinese patent CN107734324a discloses a method, a system and a terminal device for measuring the illuminance uniformity of a flash lamp in 2018.02.23; chinese patent CN104931236a at 2015.09.23 discloses a device for measuring illuminance uniformity of a lighting lamp panel suitable for a high throughput array incubator; chinese patent CN104165752a in 2014.11.26 discloses a method and apparatus for testing illuminance uniformity of a dodging lamp; chinese patent CN107356327a in 2017.11.17 discloses a field illuminance testing device; however, no device is dedicated to detecting and analyzing the uniformity of illuminance in the inspection space of traditional Chinese medicine.
The existing illuminance detection device needs to manually hold an illuminance detection instrument during measurement, has large measurement error and complex process; the space position is difficult to position and adjust due to the structural limitation of the illuminance detection instrument, the uniformity of the illuminance of the inspection space cannot be accurately and rapidly detected, and especially the defects of quality control and detection of a large number of instruments, detection methods and devices are encountered at present, so that the standardized development and popularization and application of the inspection of traditional Chinese medicine are not facilitated.
Therefore, the development of modernization of traditional Chinese medicine is urgent to need a device capable of accurately detecting the uniformity of illumination of the acquisition light path of the inspection instrument.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the defects of the prior art, the detection method and the device for the uniformity of the illuminance of the acquisition light path of the traditional Chinese medicine inspection instrument can solve the problems of complicated and time-consuming detection, large measurement error and the like of the conventional traditional Chinese medicine inspection plane illuminance uniformity, and meet the requirements of batch detection on the accuracy and the stability of the inspection instrument.
The invention adopts the following technical scheme for solving the technical problems:
the first object of the present invention is to provide a detection device for detecting uniformity of illuminance of an acquisition light path of a traditional Chinese medicine inspection instrument, comprising:
the inspection space positioning assembly consists of a base, a longitudinal axis, a transverse axis and a wheel disc sight, wherein the longitudinal axis is slidably arranged on the base, the transverse axis is connected with the longitudinal axis through a first shaft sleeve and a second shaft sleeve which are fixedly connected, the transverse axis and the longitudinal axis can slide relatively, and the wheel disc sight is arranged at one end of the transverse axis;
the coaxial alignment assembly consists of a level gauge and an infrared sight, and the level gauge and the infrared sight are arranged on the wheel disc sight; and
the illuminance detection assembly comprises a probe, and the probe is rotatably arranged on the wheel disc sight.
In order to optimize the technical scheme, the technical measures adopted by the invention further comprise:
further, the relative sliding between the horizontal axis and the vertical axis is a relative up-down and/or left-right sliding.
Further, the first shaft sleeve is sleeved on the longitudinal shaft, the second shaft sleeve is sleeved on the transverse shaft, and the first shaft sleeve is fixedly connected with the second shaft sleeve. The first sleeve is slidable relative to the longitudinal axis in a longitudinal axis direction, and the second sleeve is slidable relative to the transverse axis in a transverse axis direction.
Preferably, the fixed connection between the first sleeve and the second sleeve is selected from any one of welded fastening, adhesive fastening, locking fastening or screw fastening.
Further, a vertical axis scale is arranged on the vertical axis, and a horizontal axis scale is arranged on the horizontal axis. Further preferably, the first sleeve slides relatively within the range of the vertical axis scale, and the second sleeve slides relatively within the range of the horizontal axis scale.
Further, a vertical axis pointer is connected to the first shaft sleeve, so that the first shaft sleeve indicates the sliding y-axis direction space position when sliding in the range of the vertical axis scale; and the second sleeve is connected with a transverse axis pointer, so that the sliding z-axis direction space position is indicated when the second sleeve slides in the range of the transverse axis scale.
Further, a sliding groove is formed in the base, and the longitudinal shaft can slide on the base along the sliding groove direction. Further preferably, the sliding groove is arranged on a symmetry axis of the base.
Further, the longitudinal axis may be rotatable relative to the base.
Further, a base scale is arranged on the base. Further preferably, the longitudinal axis slides within the range of the base scale.
Further, a base pointer is connected to the bottom of the longitudinal axis for indicating the sliding x-axis direction spatial position when the longitudinal axis slides within the range of the base scale.
Further, the wheel disc sight comprises a wheel disc, wheel disc scales and a wheel disc pointer, wherein the wheel disc is rotatably arranged at the front end of the wheel disc sight, the wheel disc scales are arranged on the side face of the wheel disc sight, and the wheel disc pointer is arranged on the wheel disc and points to the wheel disc scales so as to be used for indicating the rotating angle when the wheel disc rotates within the range of the wheel disc scales; further, the front end of the wheel disc is provided with a probe bayonet, and the probe is arranged in the probe bayonet so as to realize rotatable installation of the probe relative to the wheel disc sight and be used for positioning the space angle during illuminance uniformity detection; preferably, the front end of the wheel disc sight is provided with a mounting groove, and the wheel disc is rotatably mounted in the mounting groove; preferably, the wheel disc rotates within the range of the wheel disc scale; preferably, the range interval of the wheel disc scales is +/-60 degrees.
Further, the infrared sight is arranged at the upper end of the wheel disc sight, and the level gauge is arranged above the infrared sight. The infrared sight is used for emitting infrared rays forward and is matched with the level meter so as to be used for accurately positioning and adjusting the space position of the detection device.
Further, the probe is selected from any one of a single probe for various inspection space detection, a face-color composite probe for face-color space detection, and a tongue-image composite probe for tongue-image space detection. Further preferably, the single probe has a single probe point; the face color composite probe is provided with a plurality of detection points corresponding to the inspection critical area of the cover part, and the number of the detection points is preferably 8; the tongue picture composite probe is provided with a plurality of detection points which correspond to and cover the critical area of the tongue picture inspection, and the number of the detection points is preferably 7.
A second object of the present invention is to provide a detection method of the above detection device, comprising the following steps:
step 1, connecting a probe;
step 2, initial coaxiality is achieved, the scale of the inspection device is reset to zero, and the level gauge is enabled to be horizontal and the infrared sight glass is enabled to be aligned to the center of the lens;
and 3, respectively adjusting wheel disc scales, a vertical axis scale, a horizontal axis scale and a base scale to position the space position of the inspection, detecting the space illuminance of the inspection through a probe, and analyzing the illuminance uniformity.
Compared with the prior art, the invention has the following technical effects:
according to the detection device for the uniformity of the illuminance of the acquisition light path of the traditional Chinese medicine inspection instrument, which is disclosed by the invention, in view of the higher requirement of inspection on accuracy, the inspection space positioning assembly, the coaxial alignment assembly and the illuminance detection assembly which are matched with each other are adopted to detect the uniformity of the illuminance and the spatial position of the inspection, so that the problems of complicated and time-consuming detection, large measurement error and the like of the uniformity of the illuminance of the traditional Chinese medicine inspection plane can be solved, and the actual requirements of batch detection on the accuracy and the stability of the inspection instrument are met.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the wheel alignment of FIG. 1;
FIG. 3 is a schematic diagram of a single probe and a probe point formed by the single probe;
FIG. 4 is a schematic diagram of a face color composite probe and the structure of probe points formed by the face color composite probe;
FIG. 5 is a schematic diagram of a tongue compound probe and a detection point formed by the tongue compound probe;
wherein the reference numerals are as follows:
100-inspection space positioning assembly; 110-a base; 111-a chute; 112-a base scale; 113-a base pointer; 120-longitudinal axis; 121-a first sleeve; 122-vertical axis scale; 123-vertical axis pointer; 130-horizontal axis; 131-a second sleeve; 132-horizontal axis scale; 133-horizontal axis pointer; 140-wheel alignment; 141-a wheel disc; 142-wheel scale; 143-wheel pointer; 200-a coaxial alignment assembly; 210-level gauge; 220-an infrared sight; 300-illuminance detection component; 310-probe bayonet; 320-probe; 321-single probe; 322-face color composite probe; 323-tongue picture composite probe.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the accompanying drawings and the examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Example 1
The embodiment provides a detection device for detecting illumination uniformity of an acquisition light path of a traditional Chinese medicine inspection instrument, referring to fig. 1 and 2, including an inspection space positioning assembly 100, a coaxial alignment assembly 200 and an illumination detection assembly 300, wherein:
the inspection space positioning assembly 100 is used for positioning the inspection space position, and comprises a base 110, a longitudinal shaft 120 slidably mounted on the base 110 through a chute 111, and a transverse shaft 130 sliding up and down and/or left and right relative to the longitudinal shaft 120; a base scale 112 is arranged on the base 110, and a base pointer 113 pointing to the base scale 112 is arranged at the bottom of the longitudinal axis 120; a longitudinal axis scale 122 is arranged on the longitudinal axis 120, and a longitudinal axis pointer 123 pointing to the longitudinal axis scale 122 is arranged on a first shaft sleeve 121 of the longitudinal axis 120; a transverse axis scale 132 is arranged on the transverse axis 130, a transverse axis pointer 133 pointing to the transverse axis scale 132 is arranged on a second shaft sleeve 131 of the transverse axis 130, and the second shaft sleeve 131 is fixedly connected with the first shaft sleeve 121 in a welding way; a wheel sight 140 is installed at one end of the transverse shaft 130, a wheel disk 141 is rotatably arranged at the front end of the wheel sight 140, wheel disk scales 142 within a range of +/-60 degrees are arranged on the side face of the wheel sight 140, and a wheel disk pointer 143 pointing to the wheel disk scales 142 is arranged on the wheel disk 141. During measurement, the measured space position is positioned by adjusting the relative position of the vertical axis 120 and the first shaft sleeve 121, the relative position of the horizontal axis 130 and the second shaft sleeve 131, the relative position of the vertical axis 120 and the base 110 and the rotation relative angle of the wheel disc 141 and the wheel disc sight 140, and the corresponding space coordinate and inclination angle of the space position xyz axis are obtained through the scale and the scale;
the coaxial alignment assembly 200 is used for coaxially positioning the initial position of the monitoring device, and comprises an infrared sight 220 arranged at the upper end of the wheel sight 140 and a level 210 arranged above the infrared sight 220. During measurement, the infrared sight 220 emits infrared rays forward, and is matched with the level gauge 210 to accurately position and adjust the space position, so as to initialize the horizontal position and the axis position of the measurement part;
the illuminance detection assembly 300 is used for detecting illuminance uniformity, the probe 320 of the illuminance detection assembly 300 is installed in the probe bayonet 310 at the front end of the wheel disc 141, the probe bayonet 310 is arranged at the front end of the wheel disc 141, and the wheel disc 141 is rotatably arranged at the front end of the wheel disc sight 140, so that the probe 320 is rotatably arranged at the front end of the wheel disc sight 140, and the detection device detects the illuminance of the inspection space through the probe 320 and analyzes the illuminance uniformity of the inspection space and the two-dimensional plane.
Further, the probe bayonet 310 is connected with various probes 320, including a single probe 321, a face-color composite probe 322 and a tongue-image composite probe 323. Referring to fig. 3-5, wherein a single probe 321 has a single detection point for various inspection space detections; the face compound probe 322 has a plurality of detection points corresponding to the critical area of the face inspection for face space detection; the tongue picture composite probe 323 has a plurality of detection points corresponding to the critical area covered by the tongue picture inspection for tongue picture space detection.
Example 2
The embodiment provides a detection method of a detection device for uniformity of illumination of an acquisition light path of a traditional Chinese medicine inspection instrument, which comprises the following detection processes:
step 1, a single probe 321, a face color composite probe 322 or a tongue image composite probe 323 are arranged in a probe bayonet 310 according to detection requirements;
step 2, adjusting the coaxial alignment assembly 200 to coaxially position the initial position of the detection device, specifically: the wheel scale 142, the vertical axis scale 122, the horizontal axis scale 132 and the base scale 112 of the checking device are adopted to zero the scales; the position of the vertical axis 120 relative to the base 110, the relative position of the vertical axis 120 and the first shaft sleeve 121, and the relative position of the horizontal axis 130 and the second shaft sleeve 131 are adjusted to enable the level gauge 210 of the detection device to be horizontal, and the infrared sight 220 is aligned with the center of the lens;
step 3: the wheel disc scale 142, the vertical axis scale 122, the horizontal axis scale 132 and the base scale 112 are respectively adjusted to position the space position of the inspection, the illuminance of the space of the inspection is detected by the probe 320, and the uniformity of the illuminance of the three-dimensional space and the two-dimensional plane of the inspection is analyzed;
the lens center pointed by the step 2 is specifically: the detection device of the embodiment is mainly used for detecting the uniformity of the illuminance of the acquisition light path of the inspection instrument, and aims the infrared sight glass at the center of the lens of the inspection instrument to be detected, so as to detect the uniformity of the illuminance of the acquisition light path of the inspection instrument.
According to the embodiment, the detection device for the uniformity of the illuminance of the acquisition light path of the traditional Chinese medicine inspection instrument can solve the problems of complicated and time-consuming detection of the uniformity of the illuminance of the plane of the traditional Chinese medicine inspection, large measurement error and the like in view of the higher requirement of inspection on the accuracy, and meets the actual requirements of batch detection on the accuracy and the stability of the inspection instrument.
The above description of the specific embodiments of the present invention has been given by way of example only, and the present invention is not limited to the above described specific embodiments. Any equivalent modifications and substitutions for this practical use will also occur to those skilled in the art, and are within the scope of the present invention. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present invention without departing from the spirit and scope thereof.
Claims (10)
1. Detection device of light path illuminance homogeneity is gathered to traditional chinese medical science inspection instrument, its characterized in that includes:
the inspection space positioning assembly (100) consists of a base (110), a longitudinal axis (120), a transverse axis (130) and a wheel disc sight (140), wherein the longitudinal axis (120) is slidably installed on the base (110), the transverse axis (130) is connected with the longitudinal axis (120) through a first shaft sleeve (121) and a second shaft sleeve (131) which are fixedly connected, the transverse axis (130) and the longitudinal axis (120) can slide relatively, and the wheel disc sight (140) is installed at one end of the transverse axis (130);
the coaxial alignment assembly (200) consists of a level meter (210) and an infrared sight (220), wherein the level meter (210) and the infrared sight (220) are arranged on the wheel disc sight (140); and
the illumination detection assembly (300), the illumination detection assembly (300) comprises a probe (320), and the probe (320) is rotatably arranged on the wheel disc sight (140).
2. The detection device according to claim 1, wherein the first sleeve (121) is sleeved on the longitudinal shaft (120), the second sleeve (131) is sleeved on the transverse shaft (130), and the first sleeve (121) and the second sleeve (131) are fixedly connected.
3. The device according to claim 2, wherein a vertical axis scale (122) is provided on the vertical axis (120), and a horizontal axis scale (132) is provided on the horizontal axis (130).
4. A detection device according to claim 3, wherein the first sleeve (121) has a longitudinal axis pointer (123) attached thereto; and a horizontal axis pointer (133) is connected to the second sleeve (131).
5. The detection device according to claim 1, wherein the longitudinal axis (120) is rotatable relative to the base (110).
6. The device according to claim 1, characterized in that the base (110) is provided with a base scale (112).
7. The device according to claim 6, characterized in that a base pointer (113) is connected to the bottom of the longitudinal axis (120).
8. The detection device according to claim 1, wherein the wheel sight (140) comprises a wheel (141), a wheel scale (142) and a wheel pointer (143), the wheel (141) is rotatably arranged at the front end of the wheel sight (140), the wheel scale (142) is arranged on the side surface of the wheel sight (140), and the wheel pointer (143) is arranged on the wheel (141) and points to the wheel scale (142).
9. The detection apparatus according to claim 1, wherein the probe (320) is selected from any one of a single probe (321), a face-color composite probe (322), and a tongue-image composite probe (323), the single probe (321) being used for various inspection space detection, the face-color composite probe (322) being used for face-color space detection, the tongue-image composite probe (323) being used for tongue-image space detection.
10. A detection method for the detection device for the uniformity of illumination of the acquisition light path of the inspection instrument for traditional Chinese medicine according to any one of claims 1 to 9, characterized by comprising the following steps:
step 1, connecting a probe (320);
step 2, initial coaxiality is achieved, the scale of the inspection device is reset to zero, and the level gauge (210) is enabled to level, and the infrared sight glass (220) is enabled to be aligned to the center of the lens;
and 3, respectively adjusting a wheel disc scale (142), a vertical axis scale (122), a horizontal axis scale (132) and a base scale (112) to position the space position for inspection, detecting the illuminance of the space for inspection through a probe (320), and analyzing the illuminance uniformity.
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| CN201810682106.2A CN108760240B (en) | 2018-06-27 | 2018-06-27 | Detection method and device for uniformity of illumination of acquisition light path of traditional Chinese medicine inspection instrument |
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