Portable non-destructive rapid testing device for fruits

Abstract

The invention relates to a portable non-destructive rapid testing device for fruits, comprising an integrating sphere, a bromine tungsten lamp light source component, a tray, a one-input and two-output optical fiber, two optical fiber spectrometers, an electrical controller, an anti-pollution mirror, a converging optical lens and an optical fiber light inlet component. Light emitted by the bromine tungsten lamp light source component is incident on a tested fruit, propagates inside the tested fruit, passes through the tested fruit to reach the converging optical lens of a testing area, is transmitted to a corresponding optical fiber spectrometer through the one-input and two-output optical fiber, the optical fiber spectrometer is connected to the electrical controller, the electrical controller calculates information such as the sugar content, acidity and hardness of the tested fruit, and displays the information in real time through a touch liquid crystal display screen, so that real-time rapid non-destructive testing of fruits can be realized in orchards, storage warehouses, fruit wholesale and retail sites, etc. At the same time, the invention has the characteristics of simple structure, small size, low cost, high precision and the like, is easy to carry, and has broad market prospects and application markets.

Description

Technical Field

[0001] The invention relates to the technical field of optical testing, in particular to a portable non-destructive rapid testing device for fruits. Background Art

[0002] my country has a long history of fruit cultivation and rich resources. Fruit has become the third largest planting industry in China. my country's fruit production ranks first in the world, but the fruit storage capacity is only 10%. With the improvement of consumers' living standards, the pursuit of fruit quality is getting higher and higher. The quality of fruit is closely related to its maturity at the time of picking, storage, transportation and other links. Therefore, before picking the fruit, non-destructive testing of the sugar content, acidity and hardness of the fruit is carried out to determine the best time for fruit picking and ensure that the fruit has the best taste and nutritional content; after storage and transportation, testing is carried out before listing. On the one hand, the storage effect of the fruit can be tested, and on the other hand, unqualified fruits can be removed as soon as possible after testing, and "high-quality" fruits can be provided to consumers. Japan, the United States, the European Union and other countries are leading in the rapid analysis technology of fruit and vegetable quality. They have the technology and equipment to quickly detect pesticide residues, texture, defects, lesions, moisture, starch, dietary fiber, vitamins, carotene, reducing sugar, crude protein, dry matter, soluble solids, organic acids and other technologies in fruits and vegetables, and have realized online detection; compared with developed countries, my country's fruit processing level is low, the rotten fruit rate is high, and the detection and sorting technology is backward, resulting in uneven quality of the same batch of fruits and lack of competitiveness in the world market. The traditional manual sorting method is inefficient, has a high error rate and high labor intensity. Therefore, it is extremely necessary to develop a non-destructive, portable, simple, efficient and accurate fruit detection system. At present, the sugar content and acidity of fruits are mainly tested by chemical methods, that is, the fruit is beaten into juice and then tested using chemical reagents. The detection efficiency is low, and only damaged fruits can be sampled. There are also some methods that use optical testing, but due to the weak signal obtained, the test error is large. At present, fruit testing generally uses large near-infrared spectrometers for sampling testing, mainly to test the sugar content, acidity, etc. of the fruit. Due to the shortcomings of large near-infrared spectrometers such as large size, high price, and poor accuracy, they are only used in scientific research institutions and have not been widely used in industries or enterprises. Summary of the invention

[0003] In order to solve the current problems in rapid and non-destructive testing of fruits, the present invention proposes a portable non-destructive rapid testing device that uses near-infrared spectrum light radiation information transmitted by fruits to perform non-destructive testing on the sugar content, acidity and hardness of fruits. The testing device can perform rapid and non-destructive testing on fruits in orchards, storage, sales and other processes, so as to timely obtain the quality information of fruits.

[0004] The technical solution adopted by the present invention to solve the technical problem is as follows:

[0005] A portable non-destructive rapid testing device for fruits, characterized in that it comprises an integrating sphere, a bromine tungsten lamp light source assembly, a tray, a testing assembly, a one-input and two-output optical fiber, a first optical fiber spectrometer, a second optical fiber spectrometer and an electrical controller, wherein the testing assembly comprises an anti-pollution mirror, a converging optical lens and an optical fiber light inlet assembly;

[0006] The bromine tungsten lamp light source assembly is arranged on the inner wall of the integrating sphere, and the tray for carrying the tested fruit is located inside the integrating sphere. The near-infrared light emitted by the bromine tungsten lamp light source assembly passes through the tested fruit and then passes through the anti-pollution mirror and the converging optical lens in sequence. The converging optical lens converges the light to the optical fiber light inlet assembly, and the optical fiber light inlet assembly is connected to the light inlet of the one-input and two-output optical fiber, and the two light outlets of the one-input and two-output optical fiber are respectively connected to the first optical fiber spectrometer and the second optical fiber spectrometer, and the first optical fiber spectrometer and the second optical fiber spectrometer are respectively connected to the electrical controller;

[0007] The electrical controller includes a touch LCD display, a test start switch, a power switch, a control module, a spectrum database module and a power supply. The touch LCD display is used to receive instructions input by a user and display test results. After the test start switch is triggered, the control module controls the bromine tungsten lamp light source assembly to emit light and controls the first fiber optic spectrometer and / or the second fiber optic spectrometer to collect spectrum data. The first fiber optic spectrometer and / or the second fiber optic spectrometer sends the collected spectrum radiation information to the control module. The control module integrates a fruit test calculation algorithm. The control module generates a test result according to the spectrum characteristics corresponding to the tested fruit stored in the spectrum database module, the spectrum radiation information and the fruit test calculation algorithm, stores the test result, and controls the touch LCD display to display the test result.

[0008] The portable fruit non-destructive rapid testing device proposed by the present invention is composed of an integrating sphere, a bromine tungsten lamp light source, a near-infrared spectrometer, an electrical controller, etc. A part of the light emitted by the bromine tungsten lamp light source assembly is directly incident on the tested fruit, and the rest is incident on the inner wall of the integrating sphere. After being reflected by the high-reflectivity inner wall coating of the integrating sphere, it is incident on the tested fruit again, forming an omnidirectional incident light source, which is incident on the tested fruit, propagates inside the tested fruit, and reaches the converging optical lens of the testing area through the tested fruit. The converging optical lens converges the light to the light inlet of the one-input and two-output optical fiber, and transmits the light to the corresponding light source through the one-input and two-output optical fiber. The optical fiber spectrometer collects spectral radiation information. The electrical controller uses the spectral characteristics of the corresponding fruit type in the spectral database, the spectral radiation information collected by the optical fiber spectrometer and the fruit testing calculation algorithm to calculate the sugar content, acidity, hardness and other information of the tested fruit, and displays it in real time through the touch liquid crystal display screen. It can realize real-time rapid non-destructive testing of fruits in orchards, storage warehouses, fruit wholesale and retail sites, etc. At the same time, the portable fruit non-destructive rapid testing device of the present invention has the characteristics of simple structure, small size, low cost, high precision, etc., is easy to carry, and has broad market prospects and application markets. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a structural schematic diagram of a portable fruit non-destructive rapid testing device of the present invention;

[0010] Figure 2 It is a schematic diagram of the structure of the background test component and the standard diffuse transmission component;

[0011] In the figure, 1. integrating sphere; 1-1. upper hemisphere of integrating sphere; 1-2. lower hemisphere of integrating sphere; 2. bromine tungsten lamp light source assembly; 3. tray; 4. one-input and two-output optical fiber; 5. first optical fiber spectrometer; 6. second optical fiber spectrometer; 7. electrical controller; 7-1. touch LCD display; 7-2. test start switch; 7-3. power switch; 8. anti-pollution mirror; 9. converging optical lens; 10. optical fiber light inlet assembly; 11. tested fruit; 12. remote control terminal; 13. background test assembly; 14. standard diffuse transmission assembly; 15. lens holder. DETAILED DESCRIPTION

[0012] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0013] Figure 1 This is a schematic diagram of the structure of a portable non-destructive rapid testing device for fruits according to the present invention. Figure 1As shown, the present invention provides a portable fruit non-destructive rapid testing device, which includes an integrating sphere 1, a bromine tungsten lamp light source assembly 2, a tray 3, a testing assembly consisting of an anti-pollution mirror 8, a converging optical lens 9 and an optical fiber light inlet assembly 10, a one-input and two-output optical fiber 4, a first optical fiber spectrometer 5, a second optical fiber spectrometer 6 and an electrical controller 7, wherein the integrating sphere 1 includes an upper hemisphere 1-1 and a lower hemisphere 1-2, and the upper hemisphere 1-1 and the lower hemisphere 1-2 are divided by the center of the hemisphere, so that the integrating sphere can be conveniently tested. Opening and closing, a handle is provided on the upper hemisphere 1-1 of the integrating sphere, and the integrating sphere 1 is a hollow spherical cavity. Preferably, the inner wall surface of the integrating sphere 1 is plated with a silver film and a protective film, and the silver film has a high reflectivity for the bromine tungsten lamp light source assembly 2, or the inner wall surface of the integrating sphere 1 is sprayed with a polytetrafluoroethylene coating with high reflectivity, and a part of the light emitted by the bromine tungsten lamp light source assembly 2 is directly incident on the measured fruit 11, and the rest is incident on the inner wall of the integrating sphere 1, and after being reflected by the silver film or the polytetrafluoroethylene coating, it is incident on the measured fruit 11 again. The size of the integrating sphere 1 can be selected according to actual needs, for example, the inner diameter of the integrating sphere 1 can be 200mm.

[0014] The bromine tungsten lamp light source assembly 2 is arranged on the inner wall of the integrating sphere 1. In this embodiment, the number of the bromine tungsten lamp light source assembly 2 can be set according to actual needs. For example, the number of the bromine tungsten lamp light source assembly 2 is more than 6 to ensure the signal strength collected by the fiber optic spectrometer. The bromine tungsten lamp light source assembly 2 is arranged on the inner wall of the integrating sphere 1. Optionally, 6 bromine tungsten lamp light source assemblies 2 are evenly distributed on the lower hemisphere of the integrating sphere 1, and the positions of the bromine tungsten lamp light source assemblies 2 meet the following conditions: the angle between the line connecting each bromine tungsten lamp light source assembly 2 and the center of the integrating sphere 1 and the horizontal plane where the center of the sphere is located is in the range of 20° to 40°. When the bromine tungsten lamp light source assembly 2 is located within the angle range of 20° to 40°, most of its emitted light can be incident on the tested fruit 11. At this time, the signal collected by the fiber optic spectrometer is the strongest. If the angle between the bromine tungsten lamp light source assembly 2 and the center of the integrating sphere 1 and the horizontal plane where the center of the sphere is located is greater than 40°, some light will be blocked by the base. If the angle is less than 20 degrees, the bromine tungsten lamp light source assembly 2 cannot be installed in the lower hemisphere 1-2 of the integrating sphere.

[0015] The tray 3 for carrying the tested fruit 11 is located inside the integrating sphere 1. Preferably, the material of the tray 3 is soft rubber. By using soft rubber as the material of the tray 3, the tested fruit 11 is in contact with the soft rubber, which can prevent damage to the fruit and prevent other stray light from entering the test assembly.

[0016] A test assembly is installed directly below the lower hemisphere 1-2 of the integrating sphere, and the test assembly is located below the tested fruit 11 and the tray 3. The test assembly includes an anti-pollution mirror 8, a converging optical lens 9, and an optical fiber light inlet assembly 10, which are arranged in sequence from top to bottom. The optical fiber light inlet assembly 10 is connected to the light inlet of the one-input and two-output optical fiber 4. The two light outlets of the one-input and two-output optical fiber 4 are respectively connected to the first optical fiber spectrometer 5 and the second optical fiber spectrometer 6. The first optical fiber spectrometer 5 and the second optical fiber spectrometer 6 are respectively connected to the electrical controller 7 through a control cable and a data transmission cable. The near-infrared light emitted by the bromine tungsten lamp light source assembly 2 passes through the tested fruit 11 and then passes through the anti-pollution mirror 8 and the converging optical lens 9 in sequence. The converging optical lens 9 converges the light to the optical fiber light inlet assembly 10. The optical fiber light inlet assembly 10 couples the converged light into the one-input and two-output optical fiber 4. The one-input and two-output optical fiber 4 transmits the light to the first optical fiber spectrometer 5 and the second optical fiber spectrometer 6 respectively. To achieve measurement in a large spectral range, preferably, in this embodiment, the wavelength range of the first fiber optic spectrometer 5 is 600nm~1100nm, and the wavelength range of the second fiber optic spectrometer 6 is 900nm~1700nm. In the portable fruit non-destructive rapid testing device, one of the fiber optic spectrometers or a combination of the two can be selected according to the actual fruit type of the fruit to be tested. By combining the first fiber optic spectrometer 5 and the second fiber optic spectrometer 6, the spectral range can be expanded to 600nm~1700nm, and a single fiber optic spectrometer cannot achieve measurement in this large range. Therefore, the use of two optical spectrometers can expand the types of fruits to be tested, and different spectral ranges can be selected for different fruits, so that different fruits have better test effects in the corresponding spectral segments.

[0017] Optionally, still refer to Figure 1 The test assembly also includes a lens bracket 15, the anti-pollution mirror 8 and the converging optical lens 9 are fixedly mounted on the lens bracket 15, and a vacuum is drawn between the anti-pollution mirror 8 and the converging optical lens 9, and the lens bracket 15 is fixedly connected to the side wall of the integrating sphere 1. The anti-pollution mirror 8 and the converging optical lens 9 are stably mounted on the integrating sphere 1 through the lens bracket 15, and the lens bracket 15 also provides stable support for the tray 3 and the tested fruit 11 thereon. The vacuum is formed between the anti-pollution mirror 8 and the converging optical lens 9, which can prevent external pollutants from contaminating the converging optical lens 9 and affecting the test accuracy.

[0018] The electrical controller 7 is used to control the light source switch of the bromine tungsten lamp light source assembly 2 and the spectrum data collection of the optical fiber spectrometer through internal communication instructions. The electrical controller 7 internally integrates the fruit spectrum database and the fruit test calculation algorithm. Figure 1The electrical controller 7 includes a touch LCD screen 7-1, a test start switch 7-2, a power switch 7-3, a control module, a spectrum database module and a power supply, wherein the touch LCD screen 7-1, the test start switch 7-2 and the power switch 7-3 are exposed to the outside of the electrical controller 7, and the control module, the spectrum database module and the power supply are located inside the electrical controller 7. The touch LCD screen 7-1 is used to receive instructions input by the user, including selecting the test type, the type and variety of the tested fruit, the type of the fiber optic spectrometer, the test time, the light source intensity, etc., and displaying the test results. After the user completes inputting the instruction through the touch LCD screen 7-1, the test start switch 7-2 is pressed. After the test start switch 7-2 is triggered, the control module controls the bromine tungsten lamp light source assembly 2 to emit light and controls the first fiber optic spectrometer 5 and / or the second fiber optic spectrometer 6 to collect spectral data. The first fiber optic spectrometer 5 and / or the second fiber optic spectrometer 6 sends the collected spectral radiation information to the control module. The control module integrates a fruit test calculation algorithm. The fruit test calculation algorithm in this embodiment can be implemented by a method for testing fruits based on near-infrared spectroscopy technology in the prior art. The control module generates test results according to the spectral characteristics, spectral radiation information and fruit test calculation algorithm corresponding to the tested fruit stored in the spectral database module, stores the test results at the same time, and controls the touch LCD screen 7-1 to display the test results, wherein the test results include the spectral curve of the tested fruit and the calculated sugar content information, acidity information and hardness information of the tested fruit.

[0019] The portable fruit non-destructive rapid testing device proposed by the present invention is composed of an integrating sphere, a bromine tungsten lamp light source, a near-infrared spectrometer, an electrical controller, etc. A part of the light emitted by the bromine tungsten lamp light source assembly is directly incident on the tested fruit, and the rest is incident on the inner wall of the integrating sphere. After being reflected by the high-reflectivity inner wall coating of the integrating sphere, it is incident on the tested fruit again, forming an omnidirectional incident light source, which is incident on the tested fruit, propagates inside the tested fruit, and reaches the converging optical lens of the testing area through the tested fruit. The converging optical lens converges the light to the light inlet of the one-input and two-output optical fiber, and transmits the light to the corresponding light source through the one-input and two-output optical fiber. The optical fiber spectrometer collects spectral radiation information. The electrical controller uses the spectral characteristics of the corresponding fruit type in the spectral database, the spectral radiation information collected by the optical fiber spectrometer and the fruit testing calculation algorithm to calculate the sugar content, acidity, hardness and other information of the tested fruit, and displays it in real time through the touch liquid crystal display screen. It can realize real-time rapid non-destructive testing of fruits in orchards, storage warehouses, fruit wholesale and retail sites, etc. At the same time, the portable fruit non-destructive rapid testing device of the present invention has the characteristics of simple structure, small size, low cost, high precision, etc., is easy to carry, and has broad market prospects and application markets.

[0020] Optionally, the electrical controller 7 further includes a remote data transmission module connected to the control module, and the control module communicates with the remote control terminal 12 via the remote data transmission module. Figure 1 As shown, the remote control terminal 12 performs remote control and data transmission on the control module. Preferably, the remote control terminal 12 is a computer or a smart phone, and the remote control terminal 12 communicates with the control module through the remote data transmission module, and the user remotely controls and transmits data to the portable fruit non-destructive rapid testing device through the application on the remote control terminal 12. Optionally, the remote data transmission module adopts a Bluetooth communication method or a WIFI communication method, and the electrical controller 7 communicates with the remote control terminal 12 via Bluetooth or WIFI.

[0021] Furthermore, if Figure 2 As shown, the portable fruit non-destructive rapid testing device of the present invention also includes a background test component 13 and a standard diffuse transmission component 14 fixedly connected to the background test component 13, wherein the background test component 13 is a black cylindrical aluminum block, and the standard diffuse transmission component 14 is a polytetrafluoroethylene cylinder. The background test component 13 and the standard diffuse transmission component 14 can be installed together by screws. The background test component 13 is a black cylindrical aluminum block with a thickness of 5mm and a diameter of 40mm, and the standard diffuse transmission component 14 is a polytetrafluoroethylene cylinder with a height of 100mm and a diameter of 35mm. When testing the dark field background signal, a section of the background test component 13 is connected to the tray 3. The main function of the background test component 13 is to block light and prevent stray light from passing through the tray 3 and incident on the one-input and two-output optical fiber 4 at the bottom of the test component and the bottom thereof. At this time, the signal of the fiber optic spectrometer when there is no light is tested, that is, the dark field signal is tested. When performing a standard test, the top of the standard diffuse transmission component 14 is connected to the tray 3. The standard diffuse transmission component 14 is used as a reference part. After the light emitted by the bromine tungsten lamp light source component 2 is incident on the standard diffuse transmission component 14, after diffuse transmission, the light passes through the tray 3 and the test component and is incident on the one-input and two-output optical fiber 4, and the maximum signal is obtained at this time. Before the portable fruit non-destructive rapid testing device starts to formally test the fruit, the background test component 13 and the standard diffuse transmission component 14 are used to perform dark field testing and standard testing, and the corresponding spectrum is stored, which is conducive to improving the precision and accuracy of the test results.

[0022] The testing steps of the portable fruit non-destructive rapid testing device provided by the present invention are as follows:

[0023] (1) Power on the device, turn on the power switch 7-3, power on the device, and start preheating for 15 minutes;

[0024] (2) Select the test type as standard test on the touch screen 7-1;

[0025] (3) Remove the upper hemisphere 1-1 of the integrating sphere, place the standard diffuse transmission component 14 on the tray 3, and close the upper hemisphere 1-1 of the integrating sphere;

[0026] (4) Click the test start switch 7-2, the electrical controller 7 controls the bromine tungsten lamp light source assembly 2 to be turned on, and controls the first fiber optic spectrometer 5 and / or the second fiber optic spectrometer 6 to collect spectrum data, and completes the test within a preset test time, such as 5 seconds. The touch LCD screen 7-1 displays the test spectrum curve, and prompts that the test is over. The electrical controller 7 automatically stores the standard test data;

[0027] (5) Select the test type as dark field signal test on the touch LCD screen 7-1, remove the upper hemisphere 1-1 of the integrating sphere, place the background test component 13 on the tray 3 to ensure that all light is blocked, and close the upper hemisphere 1-1 of the integrating sphere;

[0028] (6) Click the test start switch 7-2 to complete the dark field signal acquisition, and the electrical controller 7 automatically stores the dark field signal data;

[0029] (7) Select the type and variety of the test fruit to be tested on the touch LCD screen 7-1, remove the upper hemisphere 1-1 of the integrating sphere, the background test component 13, and the standard diffuse transmission component 14, and place the test fruit on the tray 3;

[0030] (8) Click the test start switch 7-2 to complete the fruit signal collection. After the test is completed, the spectral curve of the tested fruit and information such as the sugar content, acidity and hardness of the tested fruit are displayed on the touch LCD screen 7-1, and the test results are saved in the corresponding file.

[0031] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0032] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A portable non-destructive rapid testing device for fruits, characterized in that: The invention comprises an integrating sphere (1), a bromine tungsten lamp light source assembly (2), a tray (3), a test assembly, an optical fiber with one input and two outputs (4), a first optical fiber spectrometer (5), a second optical fiber spectrometer (6) and an electrical controller (7); the test assembly comprises an anti-pollution mirror (8), a converging optical lens (9) and an optical fiber light inlet assembly (10); and further comprises a background test assembly (13) and a standard diffuse transmission assembly (14) fixedly connected to the background test assembly (13); the background test assembly (13) is a black cylindrical aluminum block, and the standard diffuse transmission assembly (14) is a polytetrafluoroethylene cylinder; the bromine tungsten lamp light source assembly (2) is uniformly distributed on the lower hemisphere of the integrating sphere (1), and the angle between the line connecting each bromine tungsten lamp light source assembly (2) and the center of the integrating sphere (1) and the horizontal plane where the center of the sphere is located is in the range of 20° to 40°; The bromine tungsten lamp light source assembly (2) is arranged on the inner wall of the integrating sphere (1), and the tray (3) for carrying the fruit (11) to be tested is located inside the integrating sphere (1). The near-infrared light emitted by the bromine tungsten lamp light source assembly (2) passes through the fruit (11) to be tested and then passes through the anti-pollution mirror (8) and the converging optical lens (9) in sequence. The converging optical lens (9) converges the light to the optical fiber light inlet assembly (10). The optical fiber light inlet assembly (10) is connected to the light inlet of the one-input and two-output optical fiber (4). The two light outlets of the one-input and two-output optical fiber (4) are respectively connected to the first optical fiber spectrometer (5) and the second optical fiber spectrometer (6). The first optical fiber spectrometer (5) and the second optical fiber spectrometer (6) are respectively connected to the electrical controller (7). The wavelength range of the first optical fiber spectrometer (5) is 600nm to 1100nm, and the wavelength range of the second optical fiber spectrometer (6) is 900nm to 1700nm. The electrical controller (7) comprises a touch LCD screen (7-1), a test start switch (7-2), a power switch (7-3), a control module, a spectrum database module and a power supply. The touch LCD screen (7-1) is used to receive instructions input by a user and display test results. After the test start switch (7-2) is triggered, the control module controls the bromine tungsten lamp light source component (2) to emit light and controls the first fiber optic spectrometer (5) and / or the second fiber optic spectrometer (6) to collect spectrum data. The first fiber optic spectrometer (5) and / or the second fiber optic spectrometer (6) send the collected spectrum radiation information to the control module. The control module integrates a fruit test calculation algorithm. The control module generates a test result based on the spectrum characteristics corresponding to the tested fruit stored in the spectrum database module, the spectrum radiation information and the fruit test calculation algorithm, stores the test result, and controls the touch LCD screen (7-1) to display the test result.

2. The portable fruit non-destructive rapid testing device according to claim 1 is characterized in that: The electrical controller (7) further comprises a remote data transmission module connected to the control module; The control module communicates with a remote control terminal (12) via the remote data transmission module, and the remote control terminal (12) performs remote control and data transmission on the control module.

3. The portable fruit non-destructive rapid testing device according to claim 2 is characterized in that: The remote control terminal (12) is a computer or a smart phone.

4. The portable non-destructive rapid testing device for fruits according to claim 2 or 3, characterized in that: The remote data transmission module adopts a Bluetooth communication method or a WIFI communication method.

5. The portable non-destructive rapid testing device for fruits according to claim 1 or 2, characterized in that: The test assembly also includes a lens holder (15); The anti-pollution mirror (8) and the converging optical lens (9) are fixedly mounted on the lens holder (15), and a vacuum is drawn between the anti-pollution mirror (8) and the converging optical lens (9), and the lens holder (15) is fixedly connected to the side wall of the integrating sphere (1).

6. The portable non-destructive rapid testing device for fruits according to claim 1 or 2, characterized in that: The number of the bromine tungsten lamp light source components (2) is more than 6.

7. The portable non-destructive rapid testing device for fruits according to claim 1 or 2, characterized in that: The inner wall surface of the integrating sphere (1) is plated with a high-reflectivity silver film and a protective film or sprayed with a high-reflectivity polytetrafluoroethylene coating, a portion of the light emitted by the bromine tungsten lamp light source assembly (2) is directly incident on the fruit (11) to be tested, and the remaining portion is incident on the inner wall of the integrating sphere (1), and after being reflected by the silver film or the polytetrafluoroethylene coating, is incident on the fruit (11) to be tested again; The inner diameter of the integrating sphere (1) is 200 mm.

8. The portable non-destructive rapid testing device for fruits according to claim 1 or 2, characterized in that: The material of the tray (3) is soft rubber.

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