CN215768133U - Portable runoff sediment content detection equipment - Google Patents
Portable runoff sediment content detection equipment Download PDFInfo
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- CN215768133U CN215768133U CN202120791979.4U CN202120791979U CN215768133U CN 215768133 U CN215768133 U CN 215768133U CN 202120791979 U CN202120791979 U CN 202120791979U CN 215768133 U CN215768133 U CN 215768133U
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Abstract
The utility model discloses portable runoff sediment content detection equipment which comprises a portable body, wherein one end of the body is provided with a data acquisition unit, the other end of the body is provided with a data display unit, the data acquisition unit is connected with the data display unit through a data processing unit, the data acquisition unit, the data processing unit and the data display unit are respectively connected with a direct-current power supply, and the data acquisition unit can acquire runoff sediment content values and temperature values in water to be detected; the data processing unit is used for carrying out data processing on the runoff sediment content value and the temperature value and displaying the values in real time through the data display unit. The utility model can meet the conditions of high accuracy, real-time performance and easy carrying of the detection result of the runoff sediment content by workers.
Description
Technical Field
The utility model belongs to the technical field of water conservation detection in the ecological field, and particularly relates to portable runoff sediment content detection equipment.
Background
Water is the basis for all life bodies to live on, and the pollution of water resources not only harms human life, but also severely restricts economic development and social benefits. The pollutants in water mainly comprise the silt content in the water, and the detection of the silt content in the water is a key step for treating water resources. However, when the sediment content is detected for the water quality in the shallow and narrow runoff area with low flow velocity, the existing sediment content detection technology mostly adopts the main steps of sampling, sedimentation, filtering, drying, balance weighing and the like, and the water quality detection has long period, wastes time and labor, and has large detection result error.
The existing automatic runoff sediment monitor for the standard runoff plot can realize real-time monitoring of runoff sediment monitoring equipment, is limited in the range of runoff flow monitoring, but is only suitable for monitoring the runoff flow with the maximum range of 0.5L/s. In order to better treat water resources, the water quality of a shallow and narrow runoff area with low flow velocity needs to be detected.
The commonly used drying and weighing method needs to perform the main steps of sampling, precipitating, filtering, drying, weighing by a balance and the like, has long water quality detection period, wastes time and labor, has high working strength of detection personnel, has low detection result accuracy, and can not meet the requirements of relevant researchers on convenience and instantaneity of water quality detection.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a portable runoff sediment content detection device aiming at the defects in the prior art, to consider the influence of temperature on the detection result of the sediment content sensor, and to meet the requirements of relevant researchers on high accuracy of the detection result and portability of the non-fixed-point water area water quality detection device.
The utility model adopts the following technical scheme:
a portable runoff sediment content detection device comprises a portable body, wherein one end of the body is provided with a data acquisition unit, the other end of the body is provided with a data display unit, the data acquisition unit is connected with the data display unit through a data processing unit, the data acquisition unit, the data processing unit and the data display unit are respectively connected with a direct-current power supply, and the data acquisition unit can acquire runoff sediment content values and temperature values in water to be detected; the data processing unit is used for carrying out data processing on the runoff sediment content value and the temperature value and displaying the values in real time through the data display unit.
Specifically, the data acquisition unit includes silt content sensor and temperature sensor, and silt content sensor and temperature sensor are connected with DC power supply and data acquisition unit through signal line and power cord respectively.
Furthermore, the end of the body is provided with a clapboard, and the sediment content sensor and the temperature sensor are arranged on the clapboard.
Furthermore, the silt content sensor comprises an infrared emitting diode parallel driving circuit and a photosensitive diode driving circuit, wherein the infrared emitting diode parallel driving circuit is used for emitting infrared light to the water quality to be detected; the photosensitive diode driving circuit is used for receiving the reflected light intensity.
Furthermore, the infrared emitting diode parallel driving circuit and the photosensitive diode driving circuit are packaged and arranged in the waterproof shell.
Furthermore, the waterproof shell sequentially comprises a front cover, a transparent piece pressing sheet, a lens, a transparent piece mounting seat, a copper body, a rear cover, a waterproof navigation socket and the rear part of a waterproof connector from front to back; lens and transparency mount pad all are provided with O type circle between transparency mount pad and the copper body, and the internal interval of copper is provided with photoelectric type PCB upper plate and photoelectric type PCB hypoplastron, is provided with the copper post between photoelectric type PCB upper plate and the photoelectric type PCB hypoplastron and between photoelectric type PCB hypoplastron and the back lid, is provided with O type circle between copper body and the back lid.
Still further, the protecgulum passes through the screw to be connected with transparent piece mount pad, and waterproof boat socket and waterproof joint rear portion pass through the screw to be connected with the back lid.
Specifically, the data display unit comprises a display, and the display is arranged on the upper portion of the body and is respectively connected with the direct-current power supply and the data processing unit.
Specifically, the body is of a long rod structure, and a handle is arranged at the end part of the long rod.
Further, a switch is arranged at the handle and connected with the direct-current power supply.
Compared with the prior art, the utility model has at least the following beneficial effects:
the utility model relates to a portable runoff sediment content detection device, which is characterized in that a sediment content value and a temperature value of a water body to be detected are obtained through a runoff sediment content sensor and a temperature sensor, the sediment content value and the temperature value are subjected to micro-processing and are displayed in real time through a display interface.
Furthermore, in order to detect the sediment content value, a sediment content sensor needs to be installed; in order to improve the accuracy of the detection result, the temperature value of the water body detector to be detected is prevented from influencing the sediment content value by the water body temperature.
Furthermore, a sediment content sensor and a temperature sensor are carried on the partition board and used for detecting sediment content and temperature values, please additionally explain what the purpose or the benefit of the arrangement is, and a simple principle analysis is given.
Further, in order to detect the sediment content of the water body, firstly, infrared light is emitted to the water body to be detected; the photodiode then senses the intensity of the reflected light and converts the light signal into an electrical signal.
Furthermore, the waterproof shell is used for protecting the circuit and ensuring the normal work of the sediment content sensor.
Furthermore, infrared light emitted by the infrared emitting diode is emitted to the water body through the lens, and meanwhile, the photosensitive diode receives light reflected from the water body through the lens; the photoelectric PCB upper plate 15 is a power supply plate and mainly provides electric energy for the sediment content sensor, and the photoelectric PCB lower plate 17 is a detection plate and mainly aims at installing the sediment content sensor; a silt content signal measured by the silt content sensor is led out through the rear part of the waterproof connector; other parts (such as copper columns, screws, transparent piece pressing sheets and the like) are used for improving the waterproof performance.
Furthermore, the screws among the parts are used for fastening the waterproof shell, so that circuits such as the sediment sensor and the like are better protected.
Furthermore, the measured sediment content value and the temperature value are displayed through a display, and the data recording of workers is facilitated.
Furthermore, the long rod is convenient for detecting the content of the quicksand in different diameters.
Furthermore, the end of the long rod is provided with a handle, so that a worker can conveniently hold the detection equipment.
In conclusion, the utility model has the advantages of convenient carrying, high accuracy of detection results, strong real-time display of detection results and the like, and can solve the problem of non-fixed point runoff sediment content detection of related personnel.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a circuit diagram of a parallel driving circuit of the IR emitting diode of the present invention;
FIG. 3 is a schematic diagram of a photodiode of the present invention, wherein the left side is a driving circuit diagram and the right side is a timing diagram;
FIG. 4 is a diagram of a silt content sensor according to the present invention;
FIG. 5 is a diagram of the DS18B20 temperature sensor of the present invention;
FIG. 6 is a schematic diagram of the design of the waterproof housing of the silt content and temperature sensor of the present invention;
FIG. 7 is a block diagram of a power circuit of the present invention;
FIG. 8 is a schematic view of the portable runoff sediment concentration detection apparatus of the present invention;
FIG. 9 is a graph showing the silt content of the present invention, wherein (a) is the first day and (b) is the second day.
Wherein: 1. a silt content sensor; 2. a temperature sensor; 3. a direct current power supply; 4. a central processor module; 5. a display; 6, switching; 7. a handle; 8. a signal line and a power line; 9. a screw; 10. a front cover; 11. pressing a transparent piece; 12. a lens; an O-ring; a transparency mount; 15. the photoelectric PCB is arranged on the upper plate; 16. a copper pillar; 17. a photoelectric PCB lower plate; 18. a copper body; 19. a rear cover; 20, waterproof navigation socket; 21. a waterproof joint rear part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "one side", "one end", "one side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Various structural schematics according to the disclosed embodiments of the utility model are shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 8, the present invention provides a portable runoff sediment concentration detection apparatus, which includes a long rod and a partition plate; the long rod is connected with the partition plate, the switch 6, the display 5, the central processor module 4 and the direct current power supply 3 are arranged on the long rod in an embedded mode, the sediment content sensor 1 and the temperature sensor 2 are arranged on the partition plate, and the central processor module 4 is connected with the switch 6, the display 5, the direct current power supply 3, the sediment content sensor 1 and the temperature sensor 2 through signal lines and power lines 8.
The silt content sensor 1 comprises 6 infrared emitting diodes, 6 photosensitive diode resistors and triodes, wherein the emitting diodes are connected with a power supply and the resistors, the photosensitive diodes are connected with the resistors and the power supply, and the triodes are connected with the resistors.
The temperature sensor 2 adopts DS18B20 and is used for completing the acquisition of runoff sediment content data.
The central processor module 4 comprises a silt content sensor interface, a temperature sensor interface, a digital-to-analog conversion interface and a nixie tube display interface and is used for processing and displaying data acquired by the sensor.
The display 5 comprises two display units of sediment amount and temperature value, so that a user can conveniently record the temperature and the runoff sediment content at the moment so as to better know the water quality condition.
Referring to fig. 1, the portable runoff sediment content detection equipment of the utility model includes the steps of obtaining sediment amount and temperature value, constructing a function model between the actual runoff sediment content and the measured value of the sediment content sensor and the measured value of the temperature, and displaying the actual sediment amount and the temperature value.
Please refer to fig. 2, which is a diagram of a parallel driving circuit of infrared emitting diodes, including a dc power supply, a resistor and an infrared diode, the infrared diode is connected to the resistor and the power supply for emitting infrared rays to runoff, the resistors R1, R2, R3, R4, R5 and R6 are connected in parallel, one end of the resistor is connected to the positive electrode of 5VDC, the other end of the resistor is connected to the negative electrode of 5VDC through the corresponding emitting diodes D1, D2, D3, D4, D5 and D6, respectively, and the intensity of the infrared emitting light is in direct proportion to the value of current flowing through the circuit.
Referring to fig. 3, a photodiode driving circuit and a timing diagram thereof are shown, the driving circuit includes a dc power supply, a transistor, a photodiode, a resistor, the photodiode is connected to the resistor and the power supply, the transistor is connected to the resistor to convert the optical signal into an electrical signal, the anode of the photodiode D is connected to the anode of the 5VDC, the cathode of the photodiode D is connected to the cathode of the 5VDC via the resistor R7, and one end of the photodiode T is connected to VCCConnected with each other in two paths, one path is connected with VOUTConnected, the second path is connected with V through a resistor R8GNDConnecting; in fig. 3, the increase of the illumination intensity decreases the voltage drop of the photodiode, the current increases, the current in the transistor increases, and the output voltage increases. Fig. 3 is a timing diagram of diode driving.
Referring to fig. 4, the infrared emitting diode parallel driving circuit and the photodiode driving circuit are packaged into a silt content sensor for measuring silt content.
Referring to FIG. 5, to measure the runoff temperature, the DS18B20 temperature sensor completes the runoff temperature measurement, V of the temperature sensorCCIs divided into two paths, one path is connected with +3.3V, the other path is connected with DQ through a resistor R, and V of the temperature sensorGNDAnd (4) grounding.
Please refer to fig. 6, which is a schematic diagram of a waterproof case of a silt content and temperature sensor, mainly playing a waterproof role to protect a circuit; the method comprises the following steps:
the photoelectric type LED display device comprises a screw 9, a front cover 10, a transparent piece pressing sheet 11, a lens 12, an O-shaped ring 13, a transparent piece mounting seat 14, a photoelectric type PCB upper plate 15, a copper column 16, a photoelectric type PCB lower plate 17, a copper body 18, a rear cover 19, a waterproof navigation socket 20 and a waterproof connector rear part 21. The infrared emitting diode parallel driving circuit and the photosensitive diode driving circuit are respectively arranged on the photoelectric PCB lower plate.
The waterproof shell sequentially comprises a front cover 10, a transparent piece pressing sheet 11, a lens 12, a transparent piece mounting seat 14, a copper body 18, a rear cover 19, a waterproof navigation socket 20 and a waterproof joint rear part 21 from front to back; lens 12 and transparency mount pad 14, all be provided with O type circle 13 between transparency mount pad 14 and the copper body 18, the interval is provided with photoelectric type PCB upper plate 15 and photoelectric type PCB hypoplastron 17 in the copper body 18, be provided with copper post 16 between photoelectric type PCB upper plate 15 and photoelectric type PCB hypoplastron 17, and photoelectric type PCB hypoplastron 17 and the back lid 19, be provided with O type circle 13 between copper body 18 and the back lid 19, front cover 10 passes through screw 9 and is connected with transparency mount pad 14, waterproof boat socket 20 is connected with back lid 19 through screw 9 with waterproof joint rear portion 21.
Please refer to fig. 7, which shows a dc power supply 3 for supplying power to the circuit; the direct current voltage of 12V is reduced to 5V through an HT7550-1 chip, and the direct current voltage of 5V is reduced to 3.3V through an HT7533-1 chip, so that the requirements of various devices on the working voltage are met.
Referring to fig. 9, a graph showing the sediment content of the water quality detected by the apparatus is shown, wherein the horizontal axis represents the measurement time, and the vertical axis represents the sediment content, the upper curve in fig. 9 is a graph of simulating the sediment content by adding soil one by one, and the lower curve represents a graph of the sediment content without adding; fig. 9 repeats the experiment according to the above steps, and the obtained silt content schematic diagram further verifies the effectiveness of the apparatus and the detection method of the present invention.
The utility model relates to a detection method of portable runoff sediment content detection equipment, which comprises the following steps:
s1, data acquisition
The infrared detector comprises an infrared emitting diode and a photosensitive diode, wherein infrared light is emitted to detected water quality through the infrared emitting diode, and the emission intensity and the current are in direct proportion as shown in the formula; the photodiode with the characteristics of good output characteristic linearity and quick response time is mainly used for sensing the intensity of light reflected by objects such as silt when infrared light meets, and the relation between the output voltage and the intensity of the light is shown as the formula. The temperature sensor is used for measuring the water temperature under the sediment content.
VOUT＝g(β)
Wherein, VCC，Ri，g(·)，VOUTThe input voltage, the ith resistance, the function relation between the light intensity and the output voltage are respectively.
S2, data processing
Firstly, the detection equipment is placed in water for 10 seconds, and a runoff sediment content value X can be obtained under the action of the sensor in the step S1iAnd a temperature value Ti；
Then, singular value elimination is performed on the measured data according to a '3 sigma criterion'), and data filtering is performed);
finally, a model between the sensor for actual runoff sediment content and the temperature sensor is constructed as shown in the figure
Wherein X,
The mean values, T, of the silt volume and sediment volume, respectivelyiIs a temperature value, αjJ is the weight coefficient measured by the silt content sensor, δ is the allowable error, Y is the actual runoff silt content, i is 1, 2.
And S3, displaying data.
And (4) processing the data obtained in the step (S1) and then obtaining the actual runoff sediment content under the action of the model in the step (S2), and then displaying the sediment content and the temperature value on a digital display tube through a digital tube interface on a central processing unit system, so that related scientific research personnel can obtain water quality information better.
Referring to fig. 9, in order to verify the effectiveness of the detection device and the detection method of the present invention, firstly, river water at the same location is selected and filled in glass bottles with the same size, secondly, sand is added to one of the bottles of river water according to the above to simulate the content of silt in the water, and finally, the detection device is placed in water for monitoring, and comparative experimental data are given.
In fig. 9, the horizontal axis represents time, and the vertical axis represents the sediment content. FIG. 9 shows the water quality test results of the first day, wherein the dark line shows the bottles of water with the amount of mud and sand added successively to simulate the water quality, and the light line shows no addition; FIG. 9 is the water quality test result on the second day, in which the dark line indicates the bottles of water to which the amount of soil simulating the water quality was added one by one, and the light line indicates no addition; the silt content of the deep color line segment increases progressively with the time, so that the detection equipment and the detection method can detect the silt content of water quality, and meanwhile, experiments are carried out for two days, and the reliability of the detection equipment can be represented according to the displayed data result. Therefore, the detection equipment can be applied to the field of relevant water quality detection.
In conclusion, the portable runoff sediment content detection equipment and the detection method have the advantages of convenience in carrying, strong real-time result, high accuracy and the like.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A portable runoff sediment content detection device is characterized by comprising a portable body, wherein one end of the body is provided with a data acquisition unit, the other end of the body is provided with a data display unit, the data acquisition unit is connected with the data display unit through a data processing unit, the data acquisition unit, the data processing unit and the data display unit are respectively connected with a direct current power supply (3), and the data acquisition unit can acquire runoff sediment content values and temperature values in water to be detected; the data processing unit is used for carrying out data processing on the runoff sediment content value and the temperature value and displaying the values in real time through the data display unit.
2. The portable runoff sediment concentration detection apparatus according to claim 1, wherein the data acquisition unit comprises a sediment concentration sensor (1) and a temperature sensor (2), and the sediment concentration sensor (1) and the temperature sensor (2) are respectively connected with the direct current power supply (3) and the data acquisition unit through a signal line and a power line (8).
3. The portable runoff sediment concentration detection apparatus according to claim 2, wherein a partition plate is arranged at the end part of the body, and the sediment concentration sensor (1) and the temperature sensor (2) are arranged on the partition plate.
4. The portable runoff sediment content detection equipment according to claim 2, wherein the sediment content sensor (1) comprises an infrared emitting diode parallel driving circuit and a photosensitive diode driving circuit, and the infrared emitting diode parallel driving circuit is used for emitting infrared light to water quality to be detected; the photosensitive diode driving circuit is used for receiving the reflected light intensity.
5. The portable runoff sediment concentration detection apparatus of claim 4 wherein the infrared emitting diode parallel drive circuit and the photodiode drive circuit are packaged in a waterproof housing.
6. The portable runoff sediment concentration detection apparatus as claimed in claim 5, wherein the waterproof casing comprises a front cover (10), a transparent piece pressing sheet (11), a lens (12), a transparent piece mounting seat (14), a copper body (18), a rear cover (19), a waterproof navigation socket (20) and a waterproof joint rear part (21) in sequence from front to back; the photoelectric type LED lens comprises a lens (12), a transparent piece mounting seat (14), O-shaped rings (13) arranged between the transparent piece mounting seat (14) and a copper body (18), photoelectric type PCB upper plates (15) and photoelectric type PCB lower plates (17) arranged in the copper body (18) at intervals, copper columns (16) arranged between the photoelectric type PCB upper plates (15) and the photoelectric type PCB lower plates (17) and between the photoelectric type PCB lower plates (17) and a rear cover (19), and the O-shaped rings (13) arranged between the copper body (18) and the rear cover (19).
7. The portable runoff sediment concentration testing apparatus as claimed in claim 6, wherein the front cover (10) is connected with the transparent member mounting base (14) by screws (9), and the waterproof navigation socket (20) and the waterproof connector rear portion (21) are connected with the rear cover (19) by screws (9).
8. The portable runoff sediment concentration detection apparatus according to claim 1, wherein the data display unit comprises a display (5), and the display (5) is arranged at the upper part of the body and is respectively connected with the direct current power supply (3) and the data processing unit.
9. The portable runoff sediment concentration testing apparatus as claimed in claim 1, wherein the body is of a long rod structure, and a handle (7) is arranged at the end of the long rod.
10. The portable runoff sediment concentration detection apparatus according to claim 9, wherein a switch (6) is arranged at the handle (7), and the switch (6) is connected with the direct current power supply (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120791979.4U CN215768133U (en) | 2021-04-19 | 2021-04-19 | Portable runoff sediment content detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120791979.4U CN215768133U (en) | 2021-04-19 | 2021-04-19 | Portable runoff sediment content detection equipment |
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| CN215768133U true CN215768133U (en) | 2022-02-08 |
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| CN202120791979.4U Active CN215768133U (en) | 2021-04-19 | 2021-04-19 | Portable runoff sediment content detection equipment |
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2021
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