Portable intelligent snow density analyzer

Abstract

The utility model provides a portable intelligent snow density analyzer which comprises a main control chip, a pressure sensor and an accumulated snow collecting device, the pressure sensor is installed at the bottom of an inner cavity of the accumulated snow collecting device and used for collecting pressure information of accumulated snow in the accumulated snow collecting device; the output end of the pressure sensor is connected with the main control chip; the main control chip is used for obtaining the snow density according to the received pressure information; the analyzer is simple to operate and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to snow density detection field, concretely relates to a portable intelligent snow density analyzer. BACKGROUND

[0002] Snow density is a basic physical parameter, and it is of great significance to study snow density for snow area water balance research, snowmelt runoff simulation, snow avalanche prediction and building snow load calculation. In the development and implementation process of many practical engineering and agricultural work, snow density is also a necessary parameter, such as judging the degree of local road traffic, deciding the construction of winter road, and determining the increased load of building roof due to snow, and being used for determining the water content in snow, studying the influence of snow on crops and ecological system and the like.

[0003] In the prior art, a snow load measuring method designed by Heilongjiang University is as follows: one, cleaning the snow profile, and correcting the snow characteristic analyzer; two, measuring the snow thickness; three, measuring the snow density at different snow layer depths and fitting the snow density curve by Origin Pro8; four, calculating the snow density median value; five, obtaining the average snow density by weighing method; six, comparing the error between the snow density median value and the average snow density, if the error is greater than 10%, returning to step three, if the error is less than 10%, retaining the snow density median value; seven, obtaining the first element in the snow density median value set; eight, repeating steps two to seven every interval of time to obtain multiple snow density median values and supplementing them into the snow density median value set; nine, taking the maximum value in the set to calculate the snow pressure; ten, calculating the snow load; eleven, ending. The method has clear and concise process and is practical, and can be used in building roof structure design; the method can measure the snow density, but has defects of complicated steps, lack of intelligence and poor real-time performance. SUMMARY

[0004] The utility model discloses a portable intelligent snow density analyzer, and solves the defects of complicated steps and high cost of the existing snow density detection and analysis method.

[0005] In order to achieve the above object, the utility model adopts the technical scheme that:

[0006] The utility model discloses a portable intelligent snow density analyzer, which comprises a main control chip, a pressure sensor and a snow collection device.

[0007] The pressure sensor is installed at the bottom of the inner cavity of the snow collection device and is used to collect the pressure information of the snow in the snow collection device.

[0008] The output end of the pressure sensor is connected with the main control chip.

[0009] The master control chip is used for obtaining snow density according to the received pressure information.

[0010] Preferably, the snow collecting device comprises a box body, a scale is arranged on the inner wall of the box body, and the pressure sensor is installed at the bottom of the inner cavity of the box body.

[0011] Preferably, the master control chip is further connected with a key unit, and the key unit is used for inputting the snow volume.

[0012] Preferably, the master control chip is further connected with a display unit, and the display unit is used for displaying the current snow density value.

[0013] Preferably, the master control chip is further connected with a temperature sensor.

[0014] Preferably, the pressure sensor is connected with the master control chip through an analog-digital converter.

[0015] Preferably, the model of the analog-digital converter is HX711AD.

[0016] Preferably, the model of the pressure sensor is GY-MS583730BA.

[0017] Preferably, the snow collecting device comprises a box body, a scale is arranged on the inner wall of the box body, and the pressure sensor is installed at the bottom of the inner cavity of the box body.

[0018] The master control chip is further connected with a key unit, and the key unit is used for inputting the snow volume.

[0019] The master control chip is further connected with a display unit, and the display unit is used for displaying the current snow density value.

[0020] Preferably, the snow collecting device comprises a box body, a scale is arranged on the inner wall of the box body, and the pressure sensor is installed at the bottom of the inner cavity of the box body.

[0021] The master control chip is further connected with a key unit, and the key unit is used for inputting the snow volume.

[0022] The master control chip is further connected with a display unit, and the display unit is used for displaying the current snow density value.

[0023] The master control chip is further connected with a temperature sensor.

[0024] The pressure sensor is connected with the master control chip through an analog-digital converter.

[0025] Compared with the prior art, the snow density measuring device has the advantages that:

[0026] The utility model provides a kind of portable intelligent snow density analyzer, fill the snow to be measured into snow collection device, then utilize pressure sensor to obtain the pressure information of snow, and the snow volume in snow collection device is input in combination with button unit, and then obtain the density of the snow to be measured, the analyzer is designed as portable, it is convenient for scientific researcher, meteorological worker and ski field management personnel to be quickly deployed and used in different places, without complex installation or professional training can be operated.It is strong in adaptability, can work stably in various climatic conditions and complex terrain, provides powerful tool for snow science research, weather forecast and ski field management. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structure schematic diagram of the utility model;

[0028] Figure 2 It is the structure schematic diagram of snow collection device;

[0029] Among them, 1, hand holds support rod;2, snow collection device;3, pressure sensor;4, analog-digital converter;5, display unit;6, shell;7, button unit;8, box;9, scale. DETAILED DESCRIPTION

[0030] In the following description, for the purpose of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0031] It should be understood that the term "comprises" when used in this specification and the appended claims indicates the presence of the described features, integers, steps, operations, elements, and / or components, but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0032] It should also be understood that the term "and / or" when used in this specification and the appended claims, means any one of the associated listed items, or a combination of any combination thereof.

[0033] As used in the description of the application and the appended claims, the term "if' can be interpreted to mean "when" or "upon" or "in response to determining" or "in response to detecting," depending on the context. Similarly, the phrase "if it is determined" or "if [a described condition or event] is detected" can be interpreted to mean "upon determining" or "in response to determining" or "upon detecting [the described condition or event]" or "in response to detecting [the described condition or event]," depending on the context.

[0034] In addition, the description in the description and the appended claims of the application, the term "first", "second", "third" and the like are only used to distinguish the description, and can not be understood as indicating or implying relative importance.

[0035] In the description of the application, the reference "one embodiment" or "some embodiments" and the like means that the specific features, structures or characteristics described in connection with the embodiment are included in one or more embodiments of the application. Therefore, the statements "in one embodiment", "in some embodiments", "in other some embodiments", "in additional some embodiments" and the like appearing in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized. The terms "include", "contain", "have" and their variants mean "include but not limited to", unless otherwise specifically emphasized.

[0036] Embodiments

[0037] The embodiment provides a portable intelligent snow density analyzer, which comprises a main control chip, a pressure sensor, an analog-digital converter and a snow collection device 2, wherein:

[0038] The pressure sensor is installed at the bottom of the inner cavity of the snow collection device 2, and is used for collecting the pressure information of the snow in the snow collection device;

[0039] The output end of the pressure sensor is connected to the main control chip through the analog-digital converter;

[0040] The main control chip is used for obtaining the snow density according to the received pressure information.

[0041] In this embodiment, the snow to be tested is filled into the snow collection device, and the pressure information of the snow is obtained by using the pressure sensor, and the snow volume in the snow collection device is input by the key unit, and then the density of the snow to be tested is obtained. The analyzer is designed to be portable, which is convenient for researchers, meteorological workers and ski field managers to quickly deploy and use at different places without complex installation or professional training. It is suitable for various climate conditions and complex terrain, and provides a powerful tool for snow science research, weather forecasting and ski field management.

[0042] At the same time, the pressure information of the snow in the snow collection device is collected in real time by the high-precision pressure sensor, and is accurately converted into digital signals by the analog-digital converter and transmitted to the main control chip, so as to ensure the high precision of the snow density measurement. At the same time, the automatic measurement process significantly improves the work efficiency and reduces the error and time cost of manual operation.

[0043] Embodiment 2

[0044] On the basis of embodiment 1, the portable intelligent snow density analyzer provided in this embodiment is characterized in that the snow collection device 2 is installed at one end of the hand-held support rod 1, and the free end of the hand-held support rod 1 is provided with a main control chip.

[0045] In this embodiment, the hand-held support rod realizes the portability of the analyzer.

[0046] Embodiment 3

[0047] On the basis of embodiment 1, the portable intelligent snow density analyzer provided in this embodiment is characterized in that the snow collection device 2 comprises a box body 8, and a scale 9 is arranged on the inner wall of the box body 8.

[0048] The box body 8 is detachably installed at the end of the hand-held support rod 1.

[0049] The pressure sensor 3 is installed at the bottom of the inner cavity of the box body 8.

[0050] In this embodiment, the volume of the snow filled in the box body 8 is obtained by the scale.

[0051] Embodiment 4

[0052] On the basis of embodiment 1, the portable intelligent snow density analyzer provided in this embodiment is characterized in that the main control chip is further connected with a key unit, and the key unit is used for inputting the snow volume.

[0053] In this embodiment, the snow volume read by the key unit is input to the main control chip, and then the density of the snow is obtained. The structure is simple and easy to realize.

[0054] Embodiment 5

[0055] On the basis of embodiment 1, the portable intelligent snow density analyzer provided in the embodiment is characterized in that the main control chip is further connected with a display unit for displaying the current snow density value.

[0056] Embodiment 6

[0057] The portable intelligent snow density analyzer provided in the embodiment comprises a hand-held support rod 1, one end of the hand-held support rod 1 is provided with a snow collection device 2, and the other end is provided with a control device mounting part.

[0058] The snow collection device 2 comprises a box body 8, and a scale 9 is arranged on the inner wall of the box body 8.

[0059] The box body 8 is detachably mounted at the end of the hand-held support rod 1.

[0060] The pressure sensor 3 is mounted at the bottom of the inner cavity of the box body 8.

[0061] The control device mounting part comprises a shell 6, a main control chip is mounted in the shell, the main control chip is connected with a key unit 7 and a display unit 5, and the key unit and the display unit are both mounted on the side wall of the shell.

[0062] The input end of the main control chip is connected with the pressure sensor 3 through an analog-to-digital converter 4.

[0063] The model of the analog-to-digital converter 4 is hx711AD.

[0064] The model of the pressure sensor is GY-MS583730BA.

[0065] The key unit is used for inputting the snow volume.

[0066] The model of the display unit is LCD12864, and the display unit is used for displaying the current snow density value.

[0067] The main control chip is used for obtaining the snow density according to the received pressure information.

[0068] The main control chip is further connected with a wireless temperature sensor, and the wireless temperature sensor is used for obtaining the current environmental temperature.

[0069] The working process of the embodiment is as follows:

[0070] The snow density analyzer is placed in the snow ground with the snow density to be measured through the hand-held support rod 1;

[0071] The snow collecting device 2 is detached from the hand-held support rod 1, the snow is filled into the box 8, the volume of the snow in the box 8 is obtained by the scale 9, and the volume is input to the main control chip through the button unit.

[0072] The pressure information of the snow in the box 8 is obtained by the pressure sensor 3 and is input to the main control chip.

[0073] The density of the snow is obtained by the main control chip according to the obtained pressure information and the volume of the snow.

[0074] The snow density can be quickly and efficiently measured by the detector, and the technical problems of complicated snow load measurement steps and poor measurement accuracy can be solved.

[0075] The most popular snow characteristic analyzer in the world is the Snow Fork snow characteristic analyzer, which can measure up to ten indexes such as snow density and snow water content, and the price is expensive, about 150,000 yuan. If only one index is measured, the instrument does not need to be purchased. The analyzer of the embodiment uses a 32-bit single-chip microcomputer and a high-precision pressure sensor to measure the weight of a unit volume of snow, and then obtains the snow density, and the cost is not more than 500 yuan, which has high popularization value.

[0076] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A portable smart snow density analyzer characterized by, The device comprises a master control chip, a pressure sensor and a snow collection device, wherein: The pressure sensor is installed at the bottom of the inner cavity of the snow collection device, and is used to collect the pressure information of the snow in the snow collection device. The output end of the pressure sensor is connected to the master control chip. The master control chip is used to obtain the snow density according to the received pressure information.

2. The portable intelligent snow density analyzer according to claim 1, wherein, The snow collection device comprises a box body, and a scale is arranged on the inner wall of the box body.

3. The portable intelligent snow density analyzer according to claim 1, wherein, The master control chip is further connected to a key unit, and the key unit is used to input the snow volume.

4. The portable intelligent snow density analyzer according to claim 1, wherein, The master control chip is further connected to a display unit, and the display unit is used to display the current snow density value.

5. The portable intelligent snow density analyzer according to claim 1, wherein, The master control chip is further connected to a temperature sensor.

6. The portable intelligent snow density analyzer according to claim 1, wherein, The pressure sensor is connected to the master control chip through an analog-to-digital converter.

7. The portable intelligent snow density analyzer according to claim 6, wherein, The model of the analog-to-digital converter is HX711AD.

8. The portable intelligent snow density analyzer according to claim 1, wherein, The model of the pressure sensor is GY-MS583730BA.

9. The portable intelligent snow density analyzer according to claim 1, wherein, The snow collection device comprises a box body, and a scale is arranged on the inner wall of the box body. The master control chip is further connected to a key unit, and the key unit is used to input the snow volume. The master control chip is further connected to a display unit, and the display unit is used to display the current snow density value.

10. The portable intelligent snow density analyzer according to claim 1, wherein, The snow collection device comprises a box body, and a scale is arranged on the inner wall of the box body. The master control chip is further connected to a key unit, and the key unit is used to input the snow volume. The master control chip is further connected to a display unit, and the display unit is used to display the current snow density value. The master control chip is further connected to a temperature sensor. The pressure sensor is connected to the master control chip through an analog-to-digital converter.

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