CN211374503U - Spectrum detection device - Google Patents
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- CN211374503U CN211374503U CN201922452792.7U CN201922452792U CN211374503U CN 211374503 U CN211374503 U CN 211374503U CN 201922452792 U CN201922452792 U CN 201922452792U CN 211374503 U CN211374503 U CN 211374503U
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Abstract
The utility model relates to a spectrum detection device, include: the first spectral sensor is arranged at a first position and used for detecting the water quality of a detected water area; the second spectral sensor is arranged at a second position and used for detecting the water quality of the detected water area, wherein the second position and the first position form a first preset angle; and the analysis module is used for analyzing the spectral information output by the first spectral sensor to detect a first type of index reflecting the water quality of the measured water area, and analyzing the spectral information output by the second spectral sensor to detect a second type of index reflecting the water quality of the measured water area, wherein the second type of index is different from the first type of index. Therefore, the water quality of the detected water area is respectively detected by the two spectrum sensors arranged at the first preset angle, so that the size of the spectrum detection device can be reduced, and the number of water quality indexes which can be detected by the spectrum detection device can be increased.
Description
Technical Field
The utility model relates to a spectral detection technical field especially relates to a spectral detection device.
Background
In the related art, the water quality of a target water area can be detected by using the traditional spectrometer technology. However, there is a possibility that the detection device is bulky and can detect only a small index of the water quality of the target water area.
SUMMERY OF THE UTILITY MODEL
Technical problem
In view of this, the utility model provides a spectrum detection device.
Solution scheme
In order to solve the above technical problem, according to the utility model discloses an embodiment provides a spectrum detection device, include:
the first spectral sensor is arranged at a first position and used for detecting the water quality of a detected water area;
the second spectral sensor is arranged at a second position and used for detecting the water quality of the detected water area, wherein the second position and the first position form a first preset angle; and
the analysis module is used for analyzing the spectral information output by the first spectral sensor to detect a first type of index reflecting the water quality of the measured water area, and analyzing the spectral information output by the second spectral sensor to detect a second type of index reflecting the water quality of the measured water area, wherein the second type of index is different from the first type of index.
For the spectral detection apparatus described above, in one possible implementation,
the first spectrum sensor is used for receiving the transmitted light from the measured water area and outputting an absorption spectrum of the measured water area, and the analysis module analyzes the absorption spectrum to detect the first type of index;
the second spectrum sensor is used for receiving light scattered from the measured water area and outputting a scattering spectrum or a fluorescence spectrum of the measured water area, and the analysis module analyzes the scattering spectrum or the fluorescence spectrum to detect the second type of index.
For the spectral detection apparatus described above, in one possible implementation,
the first spectral sensor includes a first sensor array for receiving light transmitted from the measured water area and outputting an absorption spectrum of the measured water area,
the second spectral sensor includes a second sensor array for receiving light scattered from the measured water and outputting a scatter spectrum or a fluorescence spectrum of the measured water.
For the spectrum detection apparatus, in a possible implementation manner, the spectrum detection apparatus further includes:
a light source; and
and the light path adjusting module is used for adjusting the light path of the light source so as to enable the light from the light source to irradiate the measured water area.
With regard to the above spectral detection apparatus, in one possible implementation, the light source emits light in a spectral range of 200nm to 2500 nm.
With the above spectral detection apparatus, in one possible implementation, the first predetermined angle is greater than or equal to 45 degrees and less than or equal to 135 degrees.
With the above spectral detection apparatus, in one possible implementation, the first predetermined angle is 90 degrees.
For the spectral detection apparatus described above, in one possible implementation,
the first type of index comprises at least one of chemical oxygen demand, total organic carbon, biochemical oxygen demand, dissolved organic carbon, nitrate nitrogen, nitrite nitrogen, chromaticity, transparency, ozone, oil, benzene series and UV254 of the detected water area;
the second type of index comprises at least one of turbidity, dissolved oxygen, chlorophyll a and blue-green algae of the detected water area.
For the spectrum detection apparatus, in a possible implementation manner, the spectrum detection apparatus further includes:
the third spectral sensor is arranged at a third position and used for detecting the water quality of the detected water area, wherein the third position and the second position form a second preset angle, and the third position and the first position form a third preset angle.
Advantageous effects
The utility model discloses spectral detection device, it is including setting up in the first position and being used for carrying out the first spectral sensor who detects to the quality of water of surveyed basin, set up in the second position and be used for carrying out the second spectral sensor who detects to the quality of water of surveyed basin, and the spectral information who exports first spectral sensor and second spectral sensor analyzes with the analysis module that detects the first type index and the second type index that are used for reflecting the quality of water of surveyed basin, therefore, two spectral sensors (for example, quantum dot spectral sensor) that set up through becoming first predetermined angle come to detect the quality of water of surveyed basin respectively, not only can reduce spectral detection device's volume, but also can increase the quantity of the quality of water index that spectral detection device can detect.
The utility model discloses a spectral detection device uses and compares in the very little spectral sensor of its volume of traditional spectrum appearance, consequently, compares in the spectral detection device who adopts traditional spectrum appearance, adopts the very little spectral sensor of volume the utility model discloses a spectral detection device's volume is very little.
The conventional spectrometer is very large in size, and therefore, it is impractical and difficult to provide two conventional spectrometers for detecting different water quality indicators in a spectrum detection apparatus, and thus a spectrum detection apparatus using the conventional spectrometer can detect only one water quality indicator. Compared with the prior art, because spectral sensor's volume is very little, consequently the utility model discloses can set up two spectral sensor that are used for detecting different quality of water indexs in spectral detection device, as required can set up more spectral sensor of quantity even in spectral detection device, from this, the utility model discloses a spectral detection device can detect two kinds of quality of water indexs at least. Consequently, compare in the spectrum detection device who adopts traditional spectrum appearance, the utility model discloses a spectrum detection device has increased the quantity of its quality of water index that can detect to obtain more accurate, comprehensive quality of water analysis result behind the analysis module.
Other features and aspects of the present invention will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the present invention and, together with the description, serve to explain the principles of the invention.
Fig. 1 shows a block diagram of a spectral detection apparatus according to an embodiment of the present invention.
Fig. 2 shows a block diagram of a spectral detection apparatus according to another embodiment of the present invention.
Fig. 3 shows a block diagram of a spectral detection apparatus according to yet another embodiment of the present invention.
Detailed Description
Various exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present invention.
Fig. 1 shows a block diagram of a spectral detection apparatus according to an embodiment of the present invention. As shown in fig. 1, the spectrum sensing apparatus 100 may mainly include a first spectrum sensor 110, a second spectrum sensor 130 and an analysis module 150.
The first spectrum sensor 110 is disposed at a first position and is used for detecting the water quality of the detected water area. The second spectrum sensor 130 is disposed at a second position for detecting the water quality of the detected water area, wherein the second position and the first position form a first predetermined angle.
In this embodiment, the spectrum detecting apparatus 100 includes a first spectrum sensor 110 disposed at a first position and a second spectrum sensor 130 disposed at a second position, and both the first spectrum sensor 110 and the second spectrum sensor 130 are used for detecting the water quality of the detected water area.
The value of the first predetermined angle is related to the installation positions of the first spectrum sensor 110 and the second spectrum sensor 130, and a person skilled in the art can set the first spectrum sensor 110 and the second spectrum sensor 130 at any suitable positions according to the actual application requirements, and accordingly, the value of the first predetermined angle can be naturally determined according to the relative positions of the first spectrum sensor 110 and the second spectrum sensor 130.
In one possible implementation, the first predetermined angle is greater than or equal to 45 degrees and less than or equal to 135 degrees. In one possible implementation, the first predetermined angle is 90 degrees.
Since the first predetermined angle is formed between the mounting position of the first spectrum sensor 110, i.e., the first position, and the mounting position of the second spectrum sensor 130, i.e., the second position, the light irradiated to the first spectrum sensor 110 and the light irradiated to the second spectrum sensor 130 are substantially at the first predetermined angle. Suppose light is at an angle of incidence θ1The light is irradiated to the first spectrum sensor 110 at an incident angle θ2When the light is irradiated to the second spectrum sensor 130 and the first predetermined angle is θ, θ ═ θ1-θ2L. For example, θ can be in the range of [45 °,135 ° ]]。
For example, as shown in fig. 1, the first spectrum sensor 110 may be disposed at a horizontal position as a first position, and the second spectrum sensor 130 may be disposed at a vertical position as a second position, the horizontal position as the first position being 90 degrees from the vertical position as the second position, that is, the first predetermined angle θ being 90 °. Here, the horizontal position is a position substantially parallel to the optical path in fig. 1, and the vertical position is a position substantially perpendicular to the optical path in fig. 1.
Of course, θ can also be in any other suitable range, such as [75 °,105 ° ], [70 °,110 ° ], [60 °,120 ° ], [35 °,145 ° ], [15 °,165 ° ], and the like.
The analysis module 150 is configured to analyze the spectral information output by the first spectral sensor 110 to detect a first type of indicator reflecting the water quality of the measured water area, and analyze the spectral information output by the second spectral sensor 130 to detect a second type of indicator reflecting the water quality of the measured water area, wherein the second type of indicator is different from the first type of indicator.
In this embodiment, the analysis module 150 may be implemented by a dedicated hardware circuit, or may be implemented by general processing hardware (e.g., a CPU, a single chip, a field programmable logic device FPGA, etc.) in combination with an executable logic instruction to execute a working process of the main control component, where the executable logic instruction may be implemented based on the prior art. Illustratively, the executable logic instructions may be instructions corresponding to algorithms in the prior art. The utility model discloses do not limit to the concrete implementation of analysis module 150.
The analysis module 150 analyzes the spectrum information output from each of the first spectrum sensor 110 and the second spectrum sensor 130 disposed at different positions, thereby detecting different indicators of the water quality of the water area to be measured.
In one possible implementation, the first type of indicator includes at least one of chemical oxygen demand, total organic carbon, biochemical oxygen demand, dissolved organic carbon, nitrate nitrogen, nitrite nitrogen, chromaticity, transparency, ozone, oil, benzene series, UV254 of the detected water area; the second type of index comprises at least one of turbidity, dissolved oxygen, chlorophyll a and blue-green algae of the detected water area.
In this embodiment, the analysis module 150 can perform quantitative measurement on the first type of indicators of the water quality condition of the water area to be measured, such as chemical oxygen demand, total organic carbon, biochemical oxygen demand, dissolved organic carbon, nitrate nitrogen, nitrite nitrogen, chromaticity, transparency, ozone, oil in water, benzene series, UV254, and the like, by analyzing the spectrum output by the first spectrum sensor 110. Accordingly, the analysis module 150 may quantitatively measure the second type of index, which reflects the water quality condition of the measured water area, such as turbidity, dissolved oxygen, chlorophyll a, blue-green algae, etc., of the measured water area by analyzing the spectrum output by the second spectrum sensor 130.
The utility model discloses spectral detection device, it is including setting up in the first position and being used for carrying out the first spectral sensor who detects to the quality of water of surveyed basin, set up in the second position and be used for carrying out the second spectral sensor who detects to the quality of water of surveyed basin, and carry out the analysis module with the first type index that detects the quality of water that is used for reflecting the surveyed basin and second type index to the spectral information that first spectral sensor and second spectral sensor output, therefore, two spectral sensors that set up through becoming first predetermined angle come the quality of water that detects respectively by the surveyed basin, not only can reduce spectral detection device's volume, but also can increase the quantity of the quality of water index that spectral detection device can detect.
The utility model discloses a spectral detection device uses and compares in the very little spectral sensor of its volume of traditional spectrum appearance, consequently, compares in the spectral detection device who adopts traditional spectrum appearance, adopts the very little spectral sensor of volume the utility model discloses a spectral detection device's volume is very little.
The conventional spectrometer is very large in size, and therefore, it is impractical and difficult to provide two conventional spectrometers for detecting different water quality indicators in a spectrum detection apparatus, and thus a spectrum detection apparatus using the conventional spectrometer can detect only one water quality indicator. Compared with the prior art, because spectral sensor's volume is very little, consequently the utility model discloses can set up two spectral sensor that are used for detecting different quality of water indexs in spectral detection device, as required can set up more spectral sensor of quantity even in spectral detection device, from this, the utility model discloses a spectral detection device can detect two kinds of quality of water indexs at least. Consequently, compare in the spectrum detection device who adopts traditional spectrum appearance, the utility model discloses a spectrum detection device has increased the quantity of its quality of water index that can detect.
It should be understood by those skilled in the art that the present embodiment is described by taking two spectrum sensors, i.e. the first spectrum sensor 110 and the second spectrum sensor 130, as an example, which are set to a first predetermined angle in the spectrum detection device, however, the present invention is only an example, and the present invention should not be limited thereto, and at least two spectrum sensors should be set in the spectrum detection device. It should be understood that the greater the number of the spectrum sensors provided in the spectrum detection device, the greater the number of the water quality indicators that can be detected by the spectrum detection device, and the higher the detection accuracy of the water quality of the measured water area.
The user can flexibly set the number of the spectrum sensors arranged in the spectrum detection device according to personal preference and/or practical application requirements, such as water quality detection requirements (including the number, type, precision and the like of water quality indexes) and volume requirements (specification, size and the like of the spectrum detection device) of the spectrum detection device, as long as the spectrum detection device can detect a plurality of water quality indexes of a detected water area and can reduce the volume of the spectrum detection device, for example, at least three spectrum sensors can be arranged in the spectrum detection device. Of course, the skilled person can know how to set the position of the spectral sensor provided in the spectral detection apparatus based on his or her technical common knowledge.
In one possible implementation, the first spectrum sensor is configured to receive light transmitted from the measured water area and output an absorption spectrum of the measured water area, and the analysis module analyzes the absorption spectrum to detect the first type indicator; the second spectrum sensor is used for receiving light scattered from the measured water area and outputting a scattering spectrum or a fluorescence spectrum of the measured water area, and the analysis module analyzes the scattering spectrum or the fluorescence spectrum to detect the second type of index.
In this embodiment, the transmitted light passing through the measured water area is irradiated on the first spectrum sensor 110, then the first spectrum sensor 110 outputs the absorption spectrum of the water in the measured water area, and the analysis module 150 analyzes the absorption spectrum output by the first spectrum sensor 110 to perform quantitative measurement on the first type of index of the water quality in the measured water area; accordingly, the light scattered from the measured water area is irradiated on the second spectrum sensor 130, and then the second spectrum sensor 130 outputs the scattering spectrum or the fluorescence spectrum of the water of the measured water area, and the analysis module 150 analyzes the scattering spectrum or the fluorescence spectrum output by the second spectrum sensor 130 to perform quantitative measurement on the second type of indicator of the water quality of the measured water area.
In one possible implementation, the first spectral sensor includes a first sensor array for receiving light transmitted from the measured water and outputting an absorption spectrum of the measured water, and the second spectral sensor includes a second sensor array for receiving light scattered from the measured water and outputting a scattering spectrum or a fluorescence spectrum of the measured water.
It should be understood that the configurations of the first and second spectral sensors of the present invention, including but not limited to the above examples, may be any type/type of spectral sensor available, such as a quantum dot spectral sensor.
Therefore, compared with the traditional spectrometer technology, the spectrum detection device adopting the quantum dot spectrum sensor has the advantages of being capable of being miniaturized, low in power consumption, simple in structure, easy to integrate, low in cost, flexible in spectrum section customization, high in sensitivity, good in stability and the like, and when the spectrum detection device (which can be called as the quantum dot spectrum meter) adopting the quantum dot spectrum sensor is used in the field of water quality detection, the spectrum detection device can be integrated into a plurality of or even a single probe, so that more than ten water quality indexes of the water quality of a detected water area can be detected.
In one possible implementation, the spectrum detection apparatus may further include: the third spectral sensor is arranged at a third position and used for detecting the water quality of the detected water area, wherein the third position and the second position form a second preset angle, and the third position and the first position form a third preset angle.
In this embodiment, the spectrum detection device may include at least three spectrum sensors, specifically, the spectrum detection device may include at least a first spectrum sensor disposed at a first position, a second spectrum sensor disposed at a second position, and a third spectrum sensor disposed at a third position, and the first spectrum sensor, the second spectrum sensor, and the third spectrum sensor are all used to detect the water quality of the measured water area.
Similarly to the first predetermined angle, the value of the second predetermined angle is related to the installation positions of the second spectrum sensor and the third spectrum sensor, and the value of the third predetermined angle is related to the installation positions of the first spectrum sensor and the third spectrum sensor.
For a detailed description of the values of the second predetermined angle and the third predetermined angle, reference may be made to the foregoing detailed description of the first predetermined angle, and details are not repeated here.
Illustratively, fig. 2 shows a block diagram of a spectral detection apparatus according to another embodiment of the present invention. As shown in fig. 2, the spectrum detection apparatus 200 may further include, compared to the spectrum detection apparatus 100 shown in fig. 1: and the third spectral sensor 210 is arranged at a third position and used for detecting the water quality of the detected water area, wherein the third position and the second position form a second preset angle, and the third position and the first position form a third preset angle. Accordingly, the spectral detection device 200 may generally include a first spectral sensor 110, a second spectral sensor 130, a third spectral sensor 210, and an analysis module 150.
It should be understood that the user can flexibly set whether the spectral sensor provided in the spectral detection apparatus is used for outputting the aforementioned absorption spectrum or the aforementioned scattering spectrum or fluorescence spectrum according to personal preference and/or practical application requirements such as water quality detection requirements (which include the number, type, accuracy, etc. of water quality indicators) and volume requirements of the spectral detection apparatus (the specification, size, etc. of the spectral detection apparatus).
That is, the present invention is not limited to whether the first spectral sensor 110, the second spectral sensor 130, and the third spectral sensor 210 are used for outputting the absorption spectrum or the scattering spectrum or the fluorescence spectrum, and the user can set the spectral sensors according to the actual application requirements.
Fig. 3 shows a block diagram of a spectral detection apparatus according to yet another embodiment of the present invention. As shown in fig. 3, the spectrum detection apparatus 300 of the present invention may further include, compared to the spectrum detection apparatus 100 shown in fig. 1: a light source 310; and a light path adjusting module 330, configured to adjust a light path of the light source 310, so that the light from the light source 310 is irradiated to the measured water area. Accordingly, the spectrum sensing apparatus 300 may mainly include the first spectrum sensor 110, the second spectrum sensor 130, the analysis module 150, the light source 310, and the light path adjusting module 330.
In this embodiment, the optical path adjusting module 330 may be implemented by a dedicated optical component, or may be implemented by general processing hardware (e.g., a CPU, a single chip, an FPGA, etc.) in combination with an executable logic instruction to execute a working process of the main control component, where the executable logic instruction may be implemented based on the prior art. For example, the executable logic instructions may be instructions corresponding to prior art optical path adjustment algorithms. The utility model discloses do not restrict the concrete implementation of light path adjustment module 330.
In one possible implementation, the light source 310 emits light in a spectral range of 200nm to 2500 nm.
In this embodiment, the light source 310 emits light under the driving of the circuit module (not shown), the spectral range of the emitted light may be 200nm to 2500nm, the light path adjusting module 330 shapes the light beam, and the shaped light beam irradiates the measured water area along the light path. The transmitted light penetrating through the measured water area is irradiated on the first spectrum sensor 110, then the first spectrum sensor 110 outputs the absorption spectrum of the measured water area, and the analysis module 150 analyzes the absorption spectrum output by the first spectrum sensor 110 to perform quantitative measurement on the first type of index of the water quality of the measured water area; the light scattered from the measured water area is irradiated on the second spectrum sensor 130, then the second spectrum sensor 130 outputs the scattering spectrum or the fluorescence spectrum of the measured water area, and the analysis module 150 analyzes the scattering spectrum or the fluorescence spectrum output by the second spectrum sensor 130 to perform quantitative measurement on the second type of indicator of the water quality of the measured water area.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. A spectral detection apparatus, comprising:
the first spectral sensor is arranged at a first position and used for detecting the water quality of a detected water area;
the second spectral sensor is arranged at a second position and used for detecting the water quality of the detected water area, wherein the second position and the first position form a first preset angle; and
the analysis module is used for analyzing the spectral information output by the first spectral sensor to detect a first type of index reflecting the water quality of the measured water area, and analyzing the spectral information output by the second spectral sensor to detect a second type of index reflecting the water quality of the measured water area, wherein the second type of index is different from the first type of index.
2. The spectral detection apparatus according to claim 1,
the first spectrum sensor is used for receiving the transmitted light from the measured water area and outputting an absorption spectrum of the measured water area, and the analysis module analyzes the absorption spectrum to detect the first type of index;
the second spectrum sensor is used for receiving light scattered from the measured water area and outputting a scattering spectrum or a fluorescence spectrum of the measured water area, and the analysis module analyzes the scattering spectrum or the fluorescence spectrum to detect the second type of index.
3. The spectral detection apparatus according to claim 2,
the first spectral sensor includes a first sensor array for receiving light transmitted from the measured water area and outputting an absorption spectrum of the measured water area,
the second spectral sensor includes a second sensor array for receiving light scattered from the measured water and outputting a scatter spectrum or a fluorescence spectrum of the measured water.
4. The spectral detection apparatus according to any one of claims 1-3, further comprising:
a light source; and
and the light path adjusting module is used for adjusting the light path of the light source so as to enable the light from the light source to irradiate the measured water area.
5. The spectral detection apparatus of claim 4, wherein the light source emits light in the spectral range of 200nm to 2500 nm.
6. The spectral detection apparatus of any of claims 1-3 and 5, wherein the first predetermined angle is greater than or equal to 45 degrees and less than or equal to 135 degrees.
7. The spectral detection apparatus according to claim 6, wherein the first predetermined angle is 90 degrees.
8. The spectral detection apparatus of claim 4, wherein the first predetermined angle is greater than or equal to 45 degrees and less than or equal to 135 degrees.
9. The spectral detection apparatus according to claim 8, wherein the first predetermined angle is 90 degrees.
10. The spectral detection apparatus according to any one of claims 1-3, 5 and 7-9,
the first type of index comprises at least one of chemical oxygen demand, total organic carbon, biochemical oxygen demand, dissolved organic carbon, nitrate nitrogen, nitrite nitrogen, chromaticity, transparency, ozone, oil, benzene series and UV254 of the detected water area;
the second type of index comprises at least one of turbidity, dissolved oxygen, chlorophyll a and blue-green algae of the detected water area.
11. The spectral detection apparatus of any of claims 1-3, 5, and 7-9, further comprising:
the third spectral sensor is arranged at a third position and used for detecting the water quality of the detected water area, wherein the third position and the second position form a second preset angle, and the third position and the first position form a third preset angle.
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| CN113358164A (en) * | 2021-06-07 | 2021-09-07 | 芯视界（北京）科技有限公司 | Flow detection method and device, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113358164A (en) * | 2021-06-07 | 2021-09-07 | 芯视界（北京）科技有限公司 | Flow detection method and device, electronic equipment and storage medium |
| CN113358164B (en) * | 2021-06-07 | 2024-03-05 | 芯视界（北京）科技有限公司 | Flow detection method and device, electronic equipment and storage medium |
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