CN205192953U - Urine mummification analytical equipment based on optic fibre - Google Patents
Urine mummification analytical equipment based on optic fibre Download PDFInfo
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- CN205192953U CN205192953U CN201521046106.1U CN201521046106U CN205192953U CN 205192953 U CN205192953 U CN 205192953U CN 201521046106 U CN201521046106 U CN 201521046106U CN 205192953 U CN205192953 U CN 205192953U
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Abstract
The utility model discloses an urine mummification analytical equipment based on optic fibre, analytical equipment include and test paper strip and light source are equipped with the test paper piece on the test paper strip, the light source is for by the luminance compound light source that constitutes of adjustable ruddiness, green glow and blue light triply primitive chromatic light respectively, compounds the light source through shining on optic fibre shines the test paper piece perpendicularly, the reverberation of test paper piece shines reverberation color sensor through reflection optic fibre, compound light source is through penetrating the optic fibre direct irradiation directly to the direct light color sensor, color sensor's output meets microprocessor, microprocessor and light intensity control unit connection, and three kinds of colour light strength retention of light intensity control unit control are setting for the within range. The utility model discloses not only be favorable to dwindling urine mummification analytical equipment's volume, reduce the test paper strip and from the influence to the test result of the distance of light source, still be favorable to improving measurement accuracy and uniformity, change in miniaturization, commercialization.
Description
Technical field
The utility model relates to urine detection, and be specifically related to a kind of urine mummification analytical equipment, the utility model realizes urine mummification analysis and data processing with optical fiber, color sensor, microprocessor for core, belongs to field of photoelectric technology.
Background technology
Urinalysis is an important clinical assay index, except the diagnosis and treatment for the diagnosis of disease in the urological system, observation of curative effect and other systemic disease that Urinary Biochemical Composition can be caused to change, also can be used for safe medication and detects and health status preliminary assessment.Along with the development of computing machine and automatic technology, the Urine Analyzer based on dry chemical is also able to develop rapidly.Nowadays, such Urine Analyzer can carry out the detection of multinomial urine index simultaneously, its ultimate principle detected is: utilize illumination to penetrate surface, test paper reaction zone and produce reflected light, in reflected light, different colours intensity is relevant to the reacted color of each indicator paper block, and the reacted color of each indicator paper block and detected material content in urine present the rule determined, so just can detect the semidefinite value of tested substance in urine according to different colours intensity in reflected light.Therefore, the key of such Urine Analyzer is acquisition and semi-quantitative analysis algorithm two parts of color value, and the accuracy obtaining color value depends on the precision of optical system and color sensor; The accuracy of test result also depends on the quality of semi-quantitative analysis algorithm.Although there is bibliographical information to adopt the method for half-reflecting half mirror and T-shaped smooth Down lamp can improve the consistance of test result to a certain extent and improve the accuracy of measurement to a certain extent, but in practice owing to irradiating the change of light intensity, significantly change can be produced to measurement result; Also take and often utilize white block to realize calibration, otherwise larger impact can be produced on measurement result.In addition, if irradiate light intensity to there occurs larger change in measuring process, equipment also cannot detect, can not send warning or mistake.The method is higher to the matching requirements in reality simultaneously, and it is not very convenient namely to assemble.
Utility model content
For prior art above shortcomings, the purpose of this utility model is to propose a kind of urine mummification analytical equipment based on optical fiber.The utility model is not only conducive to the volume reducing urine mummification analytical equipment, reduces the distance of test strips from light source to the impact of test result, also helps and improve measuring accuracy and consistance, be easier to miniaturization, commercialization.
The technical solution of the utility model is achieved in that
Based on the urine mummification analytical equipment of optical fiber, comprise test strips and light source, test strips is arranged on can be mobile by gear train drive on gear train, test strips is provided with for adding urine with the indicator paper block detected urine detection; It is characterized in that: described light source is the composite light source be made up of ruddiness, green glow and blue light three primary colours light that brightness is adjustable respectively, composite light source is irradiated on indicator paper block by irradiating fiber perpendicular; Indicator paper block is irradiated to reflected light color sensor to the reflected light of light source by mirror based fiber optica; Composite light source shines directly on direct light color sensor by the direct projection optical fiber identical with irradiating optical fiber simultaneously; The output of described reflected light color sensor and direct light color sensor connects microprocessor, microprocessor is connected with temperature measurement unit and intensity control unit simultaneously, temperature measurement unit is used for testing environment temperature and is transferred to microprocessor, and direct light color sensor is for detecting the intensity of three kinds of color of light in composite light source and being remained in setting range by intensity control unit controls three kinds of color of light intensity.
Described microprocessor connects spacing detecting unit, stepper motor, data-printing unit, storage unit, wireless transmit/receive units, touch LCD liquid crystal input display unit and power supply unit simultaneously; Described stepper motor, as the power source of gear train, drives test strips to move by gear train under control of the microprocessor;
Touch LCD liquid crystal input display unit both inputted relevant parameter as input equipment to microprocessor, also for showing result as display device; Data-printing unit is used for printing under control of the microprocessor needing data, and storage unit is used for saving result; Wireless transmit/receive units is used for realizing radio communication with miscellaneous equipment under control of the microprocessor.
Compared to existing technology, the concrete advantage of the utility model is as follows:
1, the utility model can reduce the volume (because optical fiber can bend, can form a structure closely) of Urine Analyzer, improves the measuring accuracy of Urine Analyzer and the consistance of result and stability.
2, the utility model detects the incident light of light and reflected light all passes through Optical Fiber Transmission, is on same optical fiber cable, effectively can reduces the impact of surround lighting, and avoid the impact of the spacing of test strips and pick-up unit well.
3, the utility model automatically can regulate and arrange light intensity, make to detect the high precision constant intensity that light intensity can remain on setting, simultaneously can send light source error message, as light source intensity cannot regulate, the warning message such as a certain wavelength light defect, and then prompting test result has problem etc.
Accompanying drawing explanation
Fig. 1-the utility model is based on the opticator block diagram of the urine mummification analytical equipment of optical fiber.
The cross-sectional view of the fibre bundle in Fig. 2-cross section 1.
The cross-sectional view of the fibre bundle in Fig. 3-cross section 2.
The theory diagram of Fig. 4-the utility model control and testing circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model, based on the urine mummification analytical equipment of optical fiber, comprises test strips and light source, and test strips is arranged on can be mobile by gear train drive on gear train, test strips is provided with for adding urine with the indicator paper block detected urine detection.Described light source is the composite light source be made up of ruddiness, green glow and blue light three primary colours light that brightness is adjustable respectively, and composite light source is irradiated on indicator paper block by irradiating fiber perpendicular; Indicator paper block is irradiated to reflected light color sensor to the reflected light of light source by mirror based fiber optica; Composite light source shines directly on direct light color sensor by the direct projection optical fiber identical with irradiating optical fiber simultaneously; The output of described reflected light color sensor and direct light color sensor connects microprocessor, microprocessor is connected with temperature measurement unit and intensity control unit simultaneously, temperature measurement unit is used for testing environment temperature and is transferred to microprocessor, and direct light color sensor is for detecting the intensity of three kinds of color of light in composite light source and being remained in setting range by intensity control unit controls three kinds of color of light intensity.
This shows, the utility model mainly comprises mechanical part, opticator and control and testing circuit three part.
Mechanical part fundamental purpose is fixed on wherein by opticator and control and testing circuit, form a tangible entirety, it mainly comprises micro-step motor, front and back banking stop, gear and test paper groove (for putting test strips) etc., micro-step motor makes test paper groove by gear, test strips moves, and transmits test strips to reach and provides the object of mechanical carrier for test.Whether the movement that front and back banking stop is used for Test paper groove puts in place.
Opticator its primarily of composite light source, fibre bundle, color sensor form.As shown in Figure 1.
Wherein composite light source provides red R, green G and blue B three primary colours light, it is formed primarily of red, the green and blue monochromatic LED light emitting diode of three kinds of colors and the intensity control unit of correspondence, and intensity control unit is for controlling the brightness (light intensity) of corresponding color light.Fibre bundle mainly contains two aspect effects: be that the light launched by LED arrives indicator paper block by irradiation is fiber-optic illuminated on the one hand, and the light reflected through indicator paper block is irradiated to reflected light color sensor by mirror based fiber optica, the collection of reflected light color sensor is often planted the light intensity value of color and is converted to corresponding digital value, and by microcomputer reads, to process further; That a part of light of composite light source is directly irradiated to direct light color sensor by direct projection optical fiber on the other hand, whether change with the monochromatic LED light intensity detecting three kinds of colors, if the light intensity that the LED of certain color sends there occurs change, concrete situation of change is obtained by microcomputer reads direct light color sensor, microprocessor regulates the brightness of respective leds under program control automatically by intensity control unit, thus keep irradiation light intensity to be the value preset, and then ensure the precision of measurement result, the stability of measurement and consistance.Fig. 2 and Fig. 3 is the cross-sectional view that the fibre bundle in Fig. 1 middle section 1 and cross section 2 is corresponding.The light intensity sent as LED can not regulate or light intensity regulating less than the value preset or damage, can be easy to detect by direct light color sensor, can the informations such as warning be sent by microprocessor.Therefore the utility model color sensor has two: one for directly receiving the irradiation of composite light source to detect the size of irradiating light intensity, i.e. direct light color sensor, one for detecting the light intensity magnitude reflected through tested indicator paper block, i.e. reflected light color sensor.The utility model can select the color sensors such as TCS3103, TCS3104, TCS3472.Utilize fibre bundle can control the propagation of light well, make it vertical irradiation indicator paper block, reduce external environmental light to the impact of sensor simultaneously, the precision of last testing result can be improved.
Control and testing circuit input display unit, power supply unit totally 11 unit formations primarily of microprocessor, spacing detecting unit, stepper motor, data-printing unit, temperature measurement unit, intensity control unit, storage unit, wireless transmit/receive units, high precision color acquisition unit (i.e. color sensor), touch LCD liquid crystal, as shown in Figure 4.Spacing detecting unit is used for whether the movement of Test paper groove put in place, for judging whether test terminates.
Control and testing circuit mainly utilize the colouring information that 32-bit microprocessor controls high precision color acquisition unit, step motor control unit obtains indicator paper block in test strips, and revised by the temperature value that temperature measurement unit is measured, because temperature information can affect detection case, make test result more accurately, reliably; Then display unit input condition is inputted according to user through touch LCD, result is shown by touch LCD display unit, simultaneously also by data such as data-printing unit print results, and by storage unit saving result, realize the radio communication with miscellaneous equipment by wireless transmit/receive units.
The utility model utilizes optical fiber to change light path and the signal acquisition method of existing Urine Analyzer, reduce on the one hand and irradiate light, test strips from the impact on test result such as distance of detection module (light source and color sensor), improve the measuring accuracy of Urine Analyzer, consistance and stability, simplify assembling; Automatically detect on the one hand in addition and irradiate light intensity, and realize the automatic adjustment of light intensity, and can further improve the measurement accuracy of Urine Analyzer, simultaneously can to the error message of light source, as light source intensity cannot regulate, the warning such as a certain wavelength light defect, and then prompting test result has problem etc.
Finally it should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although applicant has been described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, the technical solution of the utility model is modified or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. based on the urine mummification analytical equipment of optical fiber, comprise test strips and light source, test strips is arranged on can be mobile by gear train drive on gear train, test strips is provided with for adding urine with the indicator paper block detected urine detection; It is characterized in that: described light source is the composite light source be made up of ruddiness, green glow and blue light three primary colours light that brightness is adjustable respectively, composite light source is irradiated on indicator paper block by irradiating fiber perpendicular; Indicator paper block is irradiated to reflected light color sensor to the reflected light of light source by mirror based fiber optica; Composite light source shines directly on direct light color sensor by the direct projection optical fiber identical with irradiating optical fiber simultaneously; The output of described reflected light color sensor and direct light color sensor connects microprocessor, microprocessor is connected with temperature measurement unit and intensity control unit simultaneously, temperature measurement unit is used for testing environment temperature and is transferred to microprocessor, and direct light color sensor is for detecting the intensity of three kinds of color of light in composite light source and being remained in setting range by intensity control unit controls three kinds of color of light intensity.
2. the urine mummification analytical equipment based on optical fiber according to claim 1, is characterized in that: described microprocessor connects spacing detecting unit, stepper motor, data-printing unit, storage unit, wireless transmit/receive units, touch LCD liquid crystal input display unit and power supply unit simultaneously; Described stepper motor, as the power source of gear train, drives test strips to move by gear train under control of the microprocessor;
Touch LCD liquid crystal input display unit both inputted relevant parameter as input equipment to microprocessor, also for showing result as display device; Data-printing unit is used for printing under control of the microprocessor needing data, and storage unit is used for saving result; Wireless transmit/receive units is used for realizing radio communication with miscellaneous equipment under control of the microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046106.1U CN205192953U (en) | 2015-12-15 | 2015-12-15 | Urine mummification analytical equipment based on optic fibre |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046106.1U CN205192953U (en) | 2015-12-15 | 2015-12-15 | Urine mummification analytical equipment based on optic fibre |
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| CN205192953U true CN205192953U (en) | 2016-04-27 |
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| CN201521046106.1U Expired - Fee Related CN205192953U (en) | 2015-12-15 | 2015-12-15 | Urine mummification analytical equipment based on optic fibre |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372239A (en) * | 2015-12-15 | 2016-03-02 | 重庆理工大学 | Optical fiber-based dry chemical analyzing device and analyzing method for urine |
| CN105866116A (en) * | 2016-05-27 | 2016-08-17 | 天津果实科技有限公司 | Device for detecting test paper one on one by virtue of color sensors |
| CN109870448A (en) * | 2019-02-09 | 2019-06-11 | 智锐达仪器科技南通有限公司 | A kind of colloidal gold test paper card detecting instrument and control method is detected accordingly |
| CN110161021A (en) * | 2019-04-30 | 2019-08-23 | 深圳市智城华业科技有限公司 | Physical examination instrument |
| CN112666095A (en) * | 2020-12-29 | 2021-04-16 | 上海理工大学 | Urine composition analysis device based on color mark sensor |
-
2015
- 2015-12-15 CN CN201521046106.1U patent/CN205192953U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372239A (en) * | 2015-12-15 | 2016-03-02 | 重庆理工大学 | Optical fiber-based dry chemical analyzing device and analyzing method for urine |
| CN105866116A (en) * | 2016-05-27 | 2016-08-17 | 天津果实科技有限公司 | Device for detecting test paper one on one by virtue of color sensors |
| CN105866116B (en) * | 2016-05-27 | 2019-03-29 | 天津果实科技有限公司 | The device of one-to-one detection is carried out to test paper using color sensor |
| CN109870448A (en) * | 2019-02-09 | 2019-06-11 | 智锐达仪器科技南通有限公司 | A kind of colloidal gold test paper card detecting instrument and control method is detected accordingly |
| CN109870448B (en) * | 2019-02-09 | 2023-12-29 | 智锐达仪器科技南通有限公司 | Colloidal gold test paper card detection instrument and corresponding detection control method |
| CN110161021A (en) * | 2019-04-30 | 2019-08-23 | 深圳市智城华业科技有限公司 | Physical examination instrument |
| CN112666095A (en) * | 2020-12-29 | 2021-04-16 | 上海理工大学 | Urine composition analysis device based on color mark sensor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20181215 |