WO2022016839A1 - 一种便携式可见/近红外光谱检测装置 - Google Patents

一种便携式可见/近红外光谱检测装置 Download PDF

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Publication number
WO2022016839A1
WO2022016839A1 PCT/CN2021/072585 CN2021072585W WO2022016839A1 WO 2022016839 A1 WO2022016839 A1 WO 2022016839A1 CN 2021072585 W CN2021072585 W CN 2021072585W WO 2022016839 A1 WO2022016839 A1 WO 2022016839A1
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Prior art keywords
light source
spectrometer
switch
electrically connected
interface
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English (en)
French (fr)
Inventor
欧阳琴
王丽
陈全胜
郭志明
李欢欢
吴继忠
潘海辉
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Jiangsu University
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Jiangsu University
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Definitions

  • the invention relates to the technical field of food non-destructive testing, in particular to a portable visible/near-infrared spectrum detection device used for food quality evaluation and early warning.
  • the traditional physical and chemical detection methods of food mainly include: high performance liquid chromatography, gas chromatography, high performance liquid chromatography-mass spectrometry, etc.
  • the accuracy is high, the operation is complicated, the detection is time-consuming, the cost is high, and the operation of professional laboratory personnel is required, so it is impossible to quickly feedback the quality information of the food.
  • Visible/near-infrared spectroscopy can characterize the quality characteristics of food (meat, tea, fruits and vegetables, etc.) through characteristic spectra, and has the following characteristics: (1) Simple operation, no need for professionals, and low detection cost; (2) The detection sample is almost No pretreatment, no need to use chemical reagents; (3) Multiple quality characteristics of samples can be detected at the same time; (4) Online detection is easy to achieve. Therefore, visible/near-infrared spectroscopy, as a fast, non-destructive and green analysis technology, has been widely used in the field of food rapid detection in recent years.
  • the desktop near-infrared spectrometer has a complex structure, high price and large volume, and is not suitable for on-site online detection of food. With the rapid development of science and technology, spectrometers, halogen lamps, etc. are all developing in a stable and portable direction.
  • Patent No. 201621106011.9, Portable NIR Spectrometer Solid State Sample Detection Device In this patent, the spectrometer is fixed under the sample cup to detect the solid sample in the sample cup. Only the solid sample can be detected. The support of sample detection is complicated in operation, and requires high human operation during the detection process. The deviation of the operation will affect the detection accuracy. It is difficult to apply in the food field, which limits the actual application range. Therefore, a portable visible/near infrared spectrum detection device needs to be designed to solve the problems existing in the prior art.
  • the purpose of the present invention is to provide a portable visible/near-infrared spectrum detection device to solve the above-mentioned problems in the prior art and achieve the detection purposes of higher detection accuracy, lower price, smaller size and faster analysis speed.
  • the present invention provides a portable visible/near-infrared spectrum detection device, comprising a casing, a bottom plate, a screen support frame, a battery part, a detection part and a switch part;
  • the bottom end of the casing is fixed to the bottom plate, the top end of the casing is fixed to the screen support frame, the battery part and the detection part are arranged in the casing, and the switch part is arranged at the On the inner wall of the top surface of the casing, the battery part is electrically connected to the switch part, and the switch part is electrically connected to the detection part;
  • the detection part includes a spectrometer, a light source, a collimating mirror and a microprocessor, the spectrometer is arranged on the bottom plate, the collimating mirror is arranged on the left side of the spectrometer, and the collimating mirror is arranged above the collimating mirror.
  • a light source a light source interface is arranged on the side of the casing close to the light source, a spectrometer interface is arranged below the light source interface, the spectrometer interface, the collimating mirror are electrically connected with the spectrometer, and the light source interface is connected with the The light source is electrically connected, the light source is electrically connected to the collimating mirror, the microprocessor is arranged above the battery portion, the microprocessor is electrically connected to the spectrometer, and the spectrometer interface is connected to an external There are integrating sphere module, optical fiber module and transmission module;
  • An embedded flat panel is detachably connected to the screen support frame, and the embedded flat panel is electrically connected to the switch portion and the microprocessor respectively.
  • two through holes are formed on the left side of the casing, and the spectrometer interface and the light source interface are respectively embedded in the two through holes.
  • the battery part includes a battery compartment and an accumulator, the battery compartment is fixed on the bottom plate, and the accumulator is located in the battery compartment.
  • the switch part includes a power switch, a system switch and a light source switch
  • the screen support frame is provided with a strip hole and three through holes
  • the power switch, the system switch and the light source switch are detachably connected in sequence in sequence.
  • a power display screen is inserted into the strip hole, and the power display screen is electrically connected to the storage battery.
  • the battery is electrically connected to the power switch, the system switch and the light source switch respectively, the power switch is electrically connected to the embedded panel, and the system switch is electrically connected to the spectrometer and the microprocessor , the light source switch is electrically connected with the light source.
  • a spectrometer fixing frame is fixed on the bottom surface of the spectrometer, and the spectrometer fixing frame is fixed on the bottom plate.
  • heat dissipation holes are provided on the rear side of the casing, and a charging interface is provided on the side of the casing away from the light source interface.
  • the light source is a halogen lamp, and the measurement range is 360-2400 nm.
  • the wavelength range of the spectrometer is 345-1032 nm
  • the signal-to-noise ratio of the spectrometer is 300:1
  • the spectral resolution is 0.15-0.22 nm.
  • a screen adapter plate is obliquely arranged on the screen support frame, and handles are fixed on both sides of the casing.
  • the housing, the spectrometer interface, the light source interface, the light source and the spectrometer are arranged, and the spectrometer interface is connected with the spectrometer, and the light source interface is connected with the light source.
  • Transmission module coupled with three different collection methods, is suitable for spectrum collection and quality inspection of different forms of food materials, with a wide detection range and strong practicability;
  • the device of the invention is equipped with a wireless network transmission function, which can transmit the food quality information to the food supervision platform, realizes the real-time monitoring of the food quality, and is beneficial to the supervision of the food market.
  • the device of the invention can be powered by a battery, is more portable, and is suitable for food quality detection in different environments and places.
  • Fig. 1 is the structural representation of the portable visible/near infrared spectrum detection device of the present invention
  • Fig. 2 is the top view of Fig. 1;
  • Fig. 3 is the axonometric view of the housing of the present invention.
  • FIG. 4 is an axonometric view of a screen support frame of the present invention.
  • Fig. 5 is the axonometric view of the base plate of the present invention.
  • Figure 6 is an axonometric view of the battery compartment
  • Figure 7 is an axonometric view of the spectrometer holder.
  • 1 is the shell
  • 1.1 is the cooling hole
  • 1.2 is the spectrometer interface
  • 1.3 is the light source interface
  • 1.4 is the charging interface
  • 2 is the screen support frame
  • 3 is the embedded tablet
  • 4 is the screen adapter board
  • 5 is the power switch
  • 6 is the system switch
  • 7 is the light source switch
  • 8 is the power display
  • 9 is the bottom plate
  • 10 is the light source
  • 11 is the spectrometer fixing frame
  • 12 is the spectrometer
  • 13 is the collimating mirror
  • 14 is the battery compartment
  • 15 is the battery
  • 16 is a microprocessor
  • 17 is a handle.
  • the present invention provides a portable visible/near infrared spectrum detection device, comprising a casing 1, a bottom plate 9, a screen support frame 2, a battery part, a detection part and a switch part;
  • the bottom end of the casing 1 is fixed to the bottom plate 9 , the top end of the casing 1 is fixed to the screen support frame 2 , the battery part and the detection part are arranged in the casing 1 , so
  • the switch portion is arranged on the inner wall of the top surface of the casing 1, the battery portion is electrically connected to the switch portion, and the switch portion is electrically connected to the detection portion;
  • the detection part includes a spectrometer 12 , a light source 10 , a collimating mirror 13 and a microprocessor 16 , the spectrometer 12 is arranged on the base plate 9 , and the collimating mirror 13 is arranged on the left side of the spectrometer 12 .
  • the light source 10 is arranged above the collimating mirror 13, a light source interface 1.3 is arranged on the side of the casing 1 close to the light source 10, a spectrometer interface 1.2 is arranged below the light source interface 1.3, the spectrometer interface 1.2, the collimation
  • the mirror 13 is electrically connected to the spectrometer 12
  • the light source interface 1.3 is electrically connected to the light source 10
  • the light source 10 is electrically connected to the collimating mirror 13
  • the microcomputer is provided above the battery part.
  • a processor 16 the microprocessor 16 is electrically connected to the spectrometer 12, and an integrating sphere module, an optical fiber module and a transmission module are externally connected to the spectrometer interface 1.2;
  • An embedded flat panel 3 is detachably connected to the screen support frame 2 , and the embedded flat panel 3 is electrically connected to the switch portion and the microprocessor 16 respectively.
  • two through holes are formed on the left side of the casing, and the spectrometer interface 1.2 and the light source interface 1.3 are respectively embedded in the two through holes.
  • the battery part includes a battery compartment 14 and a battery 15 , the battery compartment 14 is fixed on the bottom plate 9 , and the battery 15 is located in the battery compartment 14 .
  • the switch part includes a power switch 5, a system switch 6 and a light source switch 7,
  • the screen support frame 2 is provided with a strip hole and three through holes, the power switch 5, the system switch 6 and the The light source switch 7 is detachably connected to the three through holes in sequence, and a power display 8 is inserted into the strip hole, and the power display 8 is electrically connected to the battery 15 .
  • the battery 15 is electrically connected to the power switch 5, the system switch 6 and the light source switch 7, respectively, the power switch 5 is electrically connected to the embedded panel 3, and the system switch 6 is electrically connected to the The spectrometer 12 and the microprocessor 16 are connected, and the light source switch 7 is electrically connected to the light source 10 .
  • a spectrometer fixing frame 11 is fixed on the bottom surface of the spectrometer, and the spectrometer fixing frame 11 is fixed on the bottom plate 9 .
  • a heat dissipation hole 1.1 is opened on the rear side of the casing 1, and a charging interface 1.4 is disposed on the side of the casing 1 away from the light source interface 1.3.
  • the light source 10 is a halogen lamp with a measurement range of 360-2400 nm, and is equipped with an integrated fan to keep the light source cool and stable.
  • the wavelength range of the spectrometer 12 is 345-1032nm, which can effectively cover the visible/near-infrared spectral region
  • the signal-to-noise ratio of the spectrometer 12 is 300:1
  • the spectral resolution is 0.15-0.22nm
  • the scanning spectrum is The information is good
  • the spectrometer 12 adopts a linear array silicon-based detector
  • the spectral wavelength range covers the visible and short-wave near-infrared spectral bands
  • the price is favorable
  • the detection accuracy is high, which can effectively detect the quality characteristics of food
  • the high signal-to-noise ratio improves the spectral data.
  • the stability and sensitivity, high resolution provides rich spectral information.
  • a screen adapter plate 4 is slanted on the screen support frame 2 , and handles 17 are fixedly connected to both sides of the housing 1 .
  • the integrating sphere or optical fiber at the spectrometer interface 1.2 connects the light source interface 1.3 to the other end of the integrating sphere or optical fiber, and activate the power switch 5, system switch 6 and light source switch 7 at the same time, the battery 15 and the embedded panel 3 can be activated, and then The spectrometer 12, the microprocessor 16 and the light source 10 are powered by the battery 15. Since the collimating mirror 13 is electrically connected to the spectrometer 12 through an optical fiber, the light source interface 1.3 is electrically connected to the light source 10 through an optical fiber.
  • the light source 10 and the collimating mirror 13 are electrically connected through an optical fiber, the microprocessor 16 is provided above the battery portion, and the microprocessor 16 is electrically connected with the spectrometer 12 through a cable, and the embedded flat panel 3. It is electrically connected with the microprocessor 16 and the battery 15 through cables.
  • the visible/ The near-infrared light forms a loop between the light source 10, the collimating mirror 13, the spectrometer 12 and the integrating sphere or the integrating sphere, that is, the spectral signal is collected by the collimating mirror 13, and then transmitted to the spectrometer 12, processed by the microprocessor 16, and transmitted to the embedded Type plate 3,
  • the wavelength range of the spectrometer 12 is 345-1032nm, which can effectively cover the visible/near-infrared spectral region;
  • the signal-to-noise ratio of the spectrometer 12 is 300:1, the spectral resolution is 0.15-0.22nm, the scanning spectral information is good, and the light source 10 is a halogen lamp, the measurement range is between 360-2400nm, and it is equipped with an integrated fan, which can keep the light source 10 cool and stable.
  • the device of this embodiment is equipped with a wireless network transmission function, and according to the developed software system, spectral data collection, spectral data transmission and food quality detection result feedback are realized, and spectral data and The test results are transmitted to the cloud through wireless functions, and enterprises and regulatory agencies can monitor food quality in real time on the regulatory platform.
  • a transmission component is connected between the light source 10 and the spectrometer 12, and a light intensity attenuator is added between the light source 10 and the transmission component, which is more conducive to the detection accuracy.

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Abstract

一种便携式可见/近红外光谱检测装置，包括壳体（1）、底板（9）、屏幕支撑架（2）、电池部、检测部以及开关部；壳体（1）底端、顶端分别固接底板（9）与屏幕支撑架（2），电池部、检测部和开关部设在壳体（1）内，电池部、开关部和检测部依次电性连接；检测部包括光谱仪（12）、光源（10）、准直镜（13）和微处理器（16），光谱仪（12）设在底板（9）上，光谱仪（12）左侧设有准直镜（13），准直镜（13）上方设有光源（10），光源（10）一侧设有光源接口（1.3），光源接口（1.3）下方设有光谱仪接口（1.2），光谱仪接口（1.2）、准直镜（13）与光谱仪（12）电性连接，光源接口（1.3）、光源（10）和准直镜（13）电性连接，电池部上设有微处理器（16），光谱仪接口（1.2）外接有积分球模块、光纤模块以及透射模块；屏幕支撑架（2）上设有嵌入式平板（3）。具有快速、无损、便携的特点，可以实现食品品质的快速检测及预警。

Description

一种便携式可见/近红外光谱检测装置 技术领域
本发明涉及食品无损检测技术领域，特别是涉及一种用于食品品质评价及预警的便携式可见/近红外光谱检测装置。
背景技术
随着经济快速地发展,人民生活水平得到了不断提高，同时人们对食品品质和安全也越来越重视。近年来，食品质量问题不断涌现，不仅损害大众消费者的权益，也扰乱了食品市场的稳定的秩序。食品的传统理化检测方法主要有：高效液相色谱法、气相色谱法、高效液相色谱-质谱联用法等。虽然准确度高，但操作复杂、检测耗时、成本较高、需要专业的实验员操作等，无法快速反馈食品的品质信息。
可见/近红外光谱可以通过特征光谱表征食品(肉类、茶叶类和果蔬类等)的品质特征，具有以下特点：(1)操作简单，无需专业人员，检测成本低；(2)检测样本几乎不需前处理，无须使用化学试剂；(3)可以同时检测样品的多个品质特征；(4)容易实现在线检测。因此，可见/近红外光谱作为一种快速、无损和绿色分析技术,近年来被广泛的应用于食品快速检测领域。
台式的近红外光谱检测仪结构复杂,价格昂贵，体积大,不适用于食品的现场在线检测。随着科技的快速发展，光谱仪、卤素灯等都沿着稳定、便携的方向发展。经过检索相关的专利，“专利号201621106011.9，便携式近红外光谱仪固态样品检测装置”。该专利利用将光谱仪固定在样品杯的下方，对样品杯内的固体样本进行检 测，只能对固体样本进行检测，检测样品的形态单一，况且该专利仅通过支架、底座以及螺栓的组装配合作为样品检测的支撑，操作复杂，在检测过程中对人为操作要求高，操作出现偏差进而影响检测精度，在食品领域应用比较困难，限制了实际的应用范围。因此，需设计一种便携式可见/近红外光谱检测装置以解决现有技术存在的问题。
发明内容
本发明的目的是提供一种便携式可见/近红外光谱检测装置，以解决上述现有技术存在的问题，实现检测精度更高、价格便宜、体积较小和分析速度更快的检测目的。
为实现上述目的，本发明提供了如下方案：本发明提供一种便携式可见/近红外光谱检测装置，包括壳体、底板、屏幕支撑架、电池部、检测部以及开关部；
所述壳体底端与所述底板固接，所述壳体顶端固接有所述屏幕支撑架，所述电池部与所述检测部设置在所述壳体内，所述开关部设置在所述壳体顶面内壁上，所述电池部电性连接所述开关部，所述开关部电性连接所述检测部；
所述检测部包括光谱仪、光源、准直镜以及微处理器，所述光谱仪设置在所述底板上，所述光谱仪左侧设置有所述准直镜，所述准直镜上方设置有所述光源，所述壳体靠近所述光源的侧面设置有光源接口，所述光源接口下方设置有光谱仪接口，光谱仪接口、所述准直镜与所述光谱仪电性连接，所述光源接口与所述光源电性连接，所述光源与所述准直镜电性连接，所述电池部上方设置有所述微处理器，所 述微处理器与所述光谱仪电性连接，所述光谱仪接口处外接有积分球模块、光纤模块以及透射模块；
所述屏幕支撑架上可拆卸连接有嵌入式平板，所述嵌入式平板分别电性连接所述开关部以及微处理器。
优选的，所述壳体左侧面开设有两个通孔，所述光谱仪接口、光源接口分别嵌装在两个所述通孔内。
优选的，所述电池部包括电池仓和蓄电池，所述电池仓固接在所述底板上，所述蓄电池处于所述电池仓内。
优选的，所述开关部包括有电源开关、系统开关和光源开关，所述屏幕支撑架上开设有条形孔和三个通孔，所述电源开关、系统开关和光源开关依次可拆卸连接在三个所述通孔内，所述条形孔内插接有电量显示屏，所述电量显示屏电性连接所述蓄电池。
优选的，所述蓄电池分别电性连接所述电源开关、系统开关和光源开关，所述电源开关电性连接所述嵌入式平板，所述系统开关电性连接所述光谱仪和所述微处理器，所述光源开关与所述光源电性连接。
优选的，所述光谱仪底面固接有光谱仪固定架，所述光谱仪固定架固接在所述底板上。
优选的，所述壳体的后侧面开设有散热孔，所述壳体远离所述光源接口的一侧设置有充电接口。
优选的，所述光源为卤素灯，测量范围为360-2400nm。
优选的，所述光谱仪波长范围为345-1032nm，所述光谱仪的信 噪比为300：1，光谱分辨率为0.15-0.22nm。
优选的，所述屏幕支撑架上倾斜设置有屏幕转接板，所述壳体两侧面固接有把手。
本发明公开了以下技术效果：
本发明通过设置壳体、光谱仪接口、光源接口、光源以及光谱仪，并通过将光谱仪接口与光谱仪相连、将光源接口与光源相连，在光源接口处、光谱仪接口处可以连接积分球模块、光纤模块和透射模块，耦合了三种不同的采集方式，适合不同形态食品物料的光谱采集及品质检测，检测范围广，实用性强；
本发明装置配置无线网络传输功能，可以将食品品质信息传输至食品监管平台，实现对食品品质的实时监测，有利于食品市场监管。
本发明装置可以采用电池供电，更加便携，适合于不同环境、不同场所的食品品质检测。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明便携式可见/近红外光谱检测装置的结构示意图；
图2为图1的俯视图；
图3为本发明的壳体轴测图；
图4本发明屏幕支撑架的轴测图；
图5为本发明底板的轴测图；
图6为电池仓轴测图；
图7为光谱仪固定架轴测图。
其中，1为壳体，1.1为散热孔，1.2为光谱仪接口，1.3为光源接口，1.4为充电接口，2为屏幕支撑架，3为嵌入式平板，4为屏幕转接板，5为电源开关，6为系统开关，7为光源开关，8为电量显示屏，9为底板，10为光源，11为光谱仪固定架，12为光谱仪，13为准直镜，14为电池仓，15为蓄电池，16为微处理器，17为把手。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本发明作进一步详细的说明。
实施例一
参照图1-7，本发明提供一种便携式可见/近红外光谱检测装置，包括壳体1、底板9、屏幕支撑架2、电池部、检测部以及开关部；
所述壳体1底端与所述底板9固接，所述壳体1顶端固接有所述屏幕支撑架2，所述电池部与所述检测部设置在所述壳体1内，所述 开关部设置在所述壳体1顶面内壁上，所述电池部电性连接所述开关部，所述开关部电性连接所述检测部；
所述检测部包括光谱仪12、光源10、准直镜13以及微处理器16，所述光谱仪12设置在所述底板9上，所述光谱仪12左侧设置有所述准直镜13，所述准直镜13上方设置有所述光源10，所述壳体1靠近所述光源10的侧面设置有光源接口1.3，所述光源接口1.3下方设置有光谱仪接口1.2，光谱仪接口1.2、所述准直镜13与所述光谱仪12电性连接，所述光源接口1.3与所述光源10电性连接，所述光源10与所述准直镜13电性连接，所述电池部上方设置有所述微处理器16，所述微处理器16与所述光谱仪12电性连接，所述光谱仪接口1.2处外接有积分球模块、光纤模块以及透射模块；
所述屏幕支撑架2上可拆卸连接有嵌入式平板3，所述嵌入式平板3分别电性连接所述开关部以及微处理器16。
进一步优选方案，所述壳体左侧面开设有两个通孔，所述光谱仪接口1.2、光源接口1.3分别嵌装在两个所述通孔内。
进一步优选方案，所述电池部包括电池仓14和蓄电池15，所述电池仓14固接在所述底板9上，所述蓄电池15处于所述电池仓14内。
进一步优选方案，所述开关部包括有电源开关5、系统开关6和光源开关7，所述屏幕支撑架2上开设有条形孔和三个通孔，所述电源开关5、系统开关6和光源开关7依次可拆卸连接在三个所述通孔内，所述条形孔内插接有电量显示屏8，所述电量显示屏8电性连接 所述蓄电池15。
进一步优选方案，所述蓄电池15分别电性连接所述电源开关5、系统开关6和光源开关7，所述电源开关5电性连接所述嵌入式平板3，所述系统开关6电性连接所述光谱仪12和所述微处理器16，所述光源开关7与所述光源10电性连接。
进一步优选方案，所述光谱仪底面固接有光谱仪固定架11，所述光谱仪固定架11固接在所述底板9上。
进一步优选方案，所述壳体1的后侧面开设有散热孔1.1，所述壳体1远离所述光源接口1.3的一侧设置有充电接口1.4。
进一步优选方案，所述光源10为卤素灯，测量范围为360-2400nm，配有集成风扇，以保持光源的凉爽稳定。
进一步优选方案，所述光谱仪12波长范围为345-1032nm，能有效覆盖到可见/近红外光谱区域，所述光谱仪12的信噪比为300：1，光谱分辨率为0.15-0.22nm，扫描光谱信息佳，所述光谱仪12采用线阵硅基检测器，光谱波长范围涵盖了可见和短波近红外光谱波段，价格优惠、检测精度高，可以有效检测食品品质特征；高信噪比提高了光谱数据的稳定性和灵敏性，高分辨率提供了丰富的光谱信息。
进一步优选方案，所述屏幕支撑架2上倾斜设置有屏幕转接板4，所述壳体1两侧面固接有把手17。
本发明一种便携式可见/近红外检测装置的工作原理：
在光谱仪接口1.2处接上积分球或光纤，积分球或光纤的另一端接上光源接口1.3，同时启动电源开关5、系统开关6和光源开关7， 可以启动蓄电池15和嵌入式平板3，进而通过蓄电池15给光谱仪12、微处理器16和光源10供电，由于准直镜13与所述光谱仪12通过光纤电性连接，所述光源接口1.3与所述光源10通过光纤电性连接，所述光源10与所述准直镜13通过光纤电性连接，所述电池部上方设置有所述微处理器16，所述微处理器16与所述光谱仪12通过线缆电性连接，嵌入式平板3与微处理器16、蓄电池15通过线缆电性连接，因此，通过将积分球或直接连接至光源接口1.3与光谱仪接口1.2之间，通过积分球或去检测食品，可以实现食品的可见/近红外光在光源10、准直镜13、光谱仪12和积分球或之间形成回路，即将光谱信号，通过准直镜13汇聚后，传至光谱仪12，经微处理器16处理，传输至嵌入式平板3，光谱仪12波长范围为345-1032nm,能有效覆盖到可见/近红外光谱区域；光谱仪12的信噪比为300：1,光谱分辨率为0.15-0.22nm，扫描光谱信息佳，光源10为卤素灯，测量范围在360-2400nm之间，配有集成风扇，可以保持光源10的凉爽稳定。
实施例二
本实施例和实施例一的不同之处在于，本实施例的装置中配置了无线网络传输功能，根据开发的软件系统，实现光谱数据采集、光谱数据传输及食品品质检测结果反馈，光谱数据和检测结果通过无线功能传输到云端，企业和监管机构在监管平台可以对食品品质进行实时监测。另外，本实施例中在光源10与光谱仪12之间连接有透射部件，并在光源10与透射部件之间增加光强衰减器，更有利于检测的精度。
在本发明的描述中，需要理解的是，术语“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
以上所述的实施例仅是对本发明的优选方式进行描述，并非对本发明的范围进行限定，在不脱离本发明设计精神的前提下，本领域普通技术人员对本发明的技术方案做出的各种变形和改进，均应落入本发明权利要求书确定的保护范围内。

Claims (10)

  1. 一种便携式可见/近红外光谱检测装置，其特征在于：包括壳体(1)、底板(9)、屏幕支撑架(2)、电池部、检测部以及开关部；
    所述壳体(1)底端与所述底板(9)固接，所述壳体(1)顶端固接有所述屏幕支撑架(2)，所述电池部与所述检测部设置在所述壳体(1)内，所述开关部设置在所述壳体(1)顶面内壁上，所述电池部电性连接所述开关部，所述开关部电性连接所述检测部；
    所述检测部包括光谱仪(12)、光源(10)、准直镜(13)以及微处理器(16)，所述光谱仪(12)设置在所述底板(9)上，所述光谱仪(12)左侧设置有所述准直镜(13)，所述准直镜(13)上方设置有所述光源(10)，所述壳体(1)靠近所述光源(10)的侧面设置有光源接口(1.3)，所述光源接口(1.3)下方设置有光谱仪接口(1.2)，所述光谱仪接口(1.2)、所述准直镜(13)与所述光谱仪(12)电性连接，所述光源接口(1.3)与所述光源(10)电性连接，所述光源(10)与所述准直镜(13)电性连接，所述电池部上方设置有所述微处理器(16)，所述微处理器(16)与所述光谱仪(12)电性连接，所述光谱仪接口(1.2)处外接有积分球模块、光纤模块以及透射模块；
    所述屏幕支撑架(2)上可拆卸连接有嵌入式平板(3)，所述嵌入式平板(3)分别电性连接所述开关部以及微处理器(16)。
  2. 根据权利要求1所述的一种便携式可见/近红外光谱检测装置，其特征在于：所述壳体左侧面开设有两个通孔，所述光谱仪接口(1.2)、光源接口(1.3)分别嵌装在两个所述通孔内。
  3. 根据权利要求1所述的一种便携式可见/近红外光谱检测装置，其特征在于：所述电池部包括电池仓(14)和蓄电池(15)，所述电池仓(14)固接在所述底板(9)上，所述蓄电池(15)处于所述电池仓(14)内。
  4. 根据权利要求3所述的一种便携式可见/近红外光谱检测装置，其特征在于：所述开关部包括有电源开关(5)、系统开关(6)和光源开关(7)，所述屏幕支撑架(2)上开设有条形孔和三个通孔，所述电源开关(5)、系统开关(6)和光源开关(7)依次可拆卸连接在三个所述通孔内，所述条形孔内插接有电量显示屏(8)，所述电量显示屏(8)电性连接所述蓄电池(15)。
  5. 根据权利要求4所述的一种便携式可见/近红外光谱检测装置，其特征在于：所述蓄电池(15)分别电性连接所述电源开关(5)、系统开关(6)和光源开关(7)，所述电源开关(5)电性连接所述嵌入式平板(3)，所述系统开关(6)电性连接所述光谱仪(12)和所述微处理器(16)，所述光源开关(7)电性连接所述光源(10)。
  6. 根据权利要求1所述的一种便携式可见/近红外光谱检测装置，其特征在于：所述光谱仪(12)底面固接有光谱仪固定架(11)，所述光谱仪固定架(11)固接在所述底板(9)上。
  7. 根据权利要求1所述的一种便携式可见/近红外光谱检测装置，其特征在于：所述壳体(1)的后侧面开设有散热孔(1.1)，所述壳体(1)远离所述光源接口(1.3)的一侧设置有充电接口(1.4)。
  8. 根据权利要求1所述的一种便携式可见/近红外光谱检测装 置，其特征在于：所述光源(10)为卤素灯，测量范围为360-2400nm。
  9. 根据权利要求1所述的一种便携式可见/近红外光谱检测装置，其特征在于：所述光谱仪(12)波长范围为345-1032nm，所述光谱仪(12)的信噪比为300：1，光谱分辨率为0.15-0.22nm。
  10. 根据权利要求1所述的一种便携式可见/近红外光谱检测装置，其特征在于：所述屏幕支撑架(2)上倾斜设置有屏幕转接板(4)，所述壳体(1)两侧面固接有把手(17)。
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