Method and device for calculating spreading gear of liquid snow-melting agent and medium

Abstract

The invention discloses a liquid snow-melting agent spreading gear calculation method and device and a medium, and relates to the technical field of liquid snow-melting agent accurate spreading, the road surface temperature and the accumulated snow thickness of a road are obtained, the spreading gear of a liquid snow-melting agent is determined based on the road surface temperature and the accumulated snow thickness, and the spreading amount of the liquid snow-melting agent is determined through the spreading gear. On the basis of the spreading gear of the liquid snow-melting agent, the spraying unit of the spreading vehicle is controlled to spread the liquid snow-melting agent to the road, so that the spreading amount of the liquid snow-melting agent is determined on the basis of the road condition, accurate spreading of the liquid snow-melting agent is realized, and the situation that the road is damaged and the cost is increased due to excessive spreading amount of the liquid snow-melting agent is avoided; the spreading amount of the liquid snow-melting agent is too small, so that road snow removal is not thorough, the best snow removal effect can be achieved with the minimum liquid snow-melting agent, the spreading amount of the liquid snow-melting agent is reduced under the condition that the traffic safety of the road surface is guaranteed, the use cost of the liquid snow-melting agent is reduced, the snow removal effect is improved, and the snow removal cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of precise spreading of liquid deicing agents, and in particular to a method, device and medium for calculating the spreading gear position of a liquid deicing agent. Background Art

[0002] In most areas, roads will be icy or snowy in winter, which will not only cause traffic congestion, but also easily lead to traffic accidents. Therefore, in order to ensure smooth roads and driving safety, it is necessary to remove snow on the road surface in a timely and effective manner.

[0003] At present, the widely used snow removal method is to spread snow-melting agents on the road. However, according to the on-site investigation of the highway maintenance area and the literature research, the current spreading of snow-melting agents is extensively spread according to experience. In general, the spreading process of solid snow-melting agents is as follows: according to the weather forecast, pre-spread on the road before snowing, and then spread on the road according to the amount of snow before the solid snow-melting agent becomes ineffective. The amount of solid snow-melting agent spread during pre-spreading and subsequent spreading is determined according to experience; the spreading process of liquid snow-melting agents is as follows: after the snow on the road surface accumulates to a certain thickness, a certain concentration of liquid snow-melting agent is prepared according to the weather temperature and spread on the road. The amount of liquid snow-melting agent spread during spreading is also determined according to experience. Obviously, the current spreading of snow-melting agents belongs to empirical spreading operations, and in the empirical spreading operations, in order to improve traffic safety, as much as possible will be spread to reduce the phenomenon of slippery road surfaces.

[0004] Based on the above situation, it is very necessary to develop precise spreading technology of liquid snow-melting agent. Summary of the invention

[0005] The purpose of this application is to provide a method, device and medium for calculating the gear position of liquid de-icing agent spreading, which can realize the precise spreading of liquid de-icing agent, thereby improving the snow removal effect and reducing the snow removal cost.

[0006] To achieve the above objectives, this application provides the following solutions.

[0007] In a first aspect, the present application provides a method for calculating a liquid deicing agent spreading gear position, and the method for calculating a liquid deicing agent spreading gear position comprises the following steps.

[0008] Get the road surface temperature and snow thickness.

[0009] The spreading position of the liquid snow-melting agent is determined based on the road surface temperature and the snow thickness; the spreading position determines the amount of liquid snow-melting agent spread.

[0010] Based on the spreading gear of the liquid snow-melting agent, the spraying unit of the spreading vehicle is controlled to spread the liquid snow-melting agent onto the road.

[0011] Optionally, based on the road surface temperature and the snow thickness, determining the spreading position of the liquid snow-melting agent specifically includes the following steps.

[0012] The road surface temperature and snow thickness are used as inputs, and the mass calculation formula of liquid deicing agent is used to determine the mass of liquid deicing agent within the preset spreading area.

[0013] The mass of the liquid snow-melting agent in the preset spreading area and the travel speed of the spreading vehicle are used as inputs, and the discharge amount from the discharge port in the spraying unit of the spreading vehicle is determined using the discharge amount calculation formula.

[0014] The spreading position of the liquid snow-melting agent is determined based on the discharge amount of the discharge port.

[0015] Optionally, a liquid deicing agent mass calculation formula is as follows.

[0016]

[0017] Among them, m is the mass of liquid deicing agent in the preset spreading area; a, b, and d are the coefficients of the exponential function; T is the road surface temperature; s is the preset spreading area; ρ is the density of snow; h is the thickness of snow accumulation; c2 is the mass ratio of water to solid deicing agent in the liquid deicing agent.

[0018] Optionally, the discharge amount calculation formula is as follows.

[0019]

[0020] Among them, v is the travel speed of the spreading vehicle; m1 is the discharge volume of the discharging port in the spraying unit of the spreading vehicle; s is the preset spreading area; m is the mass of the liquid deicing agent in the preset spreading area; L is the length of the preset spreading area.

[0021] In a second aspect, the present application provides a liquid deicing agent spreading gear position calculation device installed on a spreading vehicle, and the liquid deicing agent spreading gear position calculation device includes the following components.

[0022] Mobile road surface detector is used to detect the road surface temperature and snow thickness in real time.

[0023] The collection control unit is connected to the mobile road surface detector for executing any one of the above-mentioned liquid snow-melting agent spreading gear calculation methods.

[0024] The spraying unit is communicatively connected with the collection control unit and is used to work based on the spreading gear of the liquid snow-melting agent to spread the liquid snow-melting agent on the road.

[0025] Optionally, the liquid deicing agent spreading gear calculation device also includes: a communication unit, which is communicatively connected to the collection control unit and the display unit, respectively, and is used to transmit the road surface temperature and snow thickness obtained by the collection control unit to the display unit; and a display unit, which is used to display the road surface temperature and snow thickness.

[0026] Optionally, the liquid snow-melting agent spreading gear calculation device also includes: a camera unit, which is communicatively connected to the communication unit and is used to obtain a road image of the road after the liquid snow-melting agent is spread; the communication unit is also used to transmit the road image to the display unit; and the display unit is also used to display the road image.

[0027] Optionally, the liquid de-icing agent spreading position calculation device also includes: a spraying communication unit, which is communicatively connected to the collection control unit, the spraying unit and the display unit, respectively, and is used to transmit the spreading position of the liquid de-icing agent obtained by the collection control unit to the spraying unit and the display unit; the display unit is also used to display the spreading position of the liquid de-icing agent.

[0028] Optionally, the mobile road surface detector is installed on the front of the spreading vehicle; the collection control unit, communication unit, spraying communication unit, spraying unit and display unit are installed on the body of the spreading vehicle; and the camera unit is installed on the rear of the spreading vehicle.

[0029] In a third aspect, the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements any of the above-described methods for calculating the liquid deicing agent spreading gear positions.

[0030] According to the specific embodiments provided in this application, this application discloses the following technical effects.

[0031] The present application provides a method, device and medium for calculating the spreading gear of a liquid snow-melting agent, which obtain the road surface temperature and snow thickness of a road, determine the spreading gear of the liquid snow-melting agent based on the road surface temperature and snow thickness, and the spreading gear determines the spreading amount of the liquid snow-melting agent. Based on the spreading gear of the liquid snow-melting agent, the spray unit of a spreading vehicle is controlled to spread the liquid snow-melting agent on the road, thereby determining the spreading amount of the liquid snow-melting agent based on the road conditions, and achieving precise spreading of the liquid snow-melting agent, avoiding damage to the road and increased costs due to excessive spreading of the liquid snow-melting agent, and unclean snow removal on the road due to insufficient spreading of the liquid snow-melting agent, and being able to achieve the best snow removal effect with the least amount of liquid snow-melting agent. While ensuring the traffic safety of the road, the spreading amount of the liquid snow-melting agent is reduced, and the use cost of the liquid snow-melting agent is reduced, thereby both improving the snow removal effect and reducing the snow removal cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 A flow chart of a method for calculating the gear position for spreading a liquid deicing agent provided in Example 1 of the present application.

[0034] Figure 2 This is a schematic diagram of the structure of a liquid deicing agent spreading gear calculation device provided in Example 2 of the present application.

[0035] Figure numerals: 1-mobile road surface detector; 2-collection control unit; 3-spraying unit; 4-communication unit; 5-display unit; 6-camera unit; 7-spraying communication unit. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0037] Example 1.

[0038] like Figure 1 As shown, this embodiment provides a method for calculating the gear position of liquid deicing agent spreading, and the method for calculating the gear position of liquid deicing agent spreading includes the following steps.

[0039] S1: Obtain the road surface temperature and snow thickness.

[0040] S2: Determine the spreading position of the liquid snow-melting agent based on the road surface temperature and the snow thickness; the spreading position determines the spreading amount of the liquid snow-melting agent.

[0041] S3: Based on the spreading gear of the liquid snow-melting agent, controlling the spraying unit of the spreading vehicle to spread the liquid snow-melting agent on the road.

[0042] In S1, the road surface temperature and snow thickness can be collected by a mobile road surface detector.

[0043] In S2, based on the road surface temperature and the snow thickness, the spreading gear of the liquid snow melting agent is determined, which specifically includes the following steps.

[0044] (1) Using road surface temperature and snow thickness as input, the mass of liquid deicing agent within the preset spreading area is determined using the liquid deicing agent mass calculation formula.

[0045] The mass calculation formula of liquid deicing agent is shown in the following formula (1).

[0046]

[0047] In formula (1), m is the mass of liquid deicing agent in the preset spreading area; a, b, and d are coefficients of the exponential function; T is the road surface temperature; s is the preset spreading area; ρ is the density of snow; h is the thickness of snow accumulation; and c2 is the mass ratio of water to solid deicing agent in the liquid deicing agent.

[0048] The preset spreading area is determined according to user needs. Since the spreading width is fixed when the spreading vehicle spreads the liquid snow-melting agent, it is only necessary to determine the spreading length to obtain the preset spreading area. In this embodiment, the unit time is determined, the product of the spreading vehicle's travel speed and the unit time is calculated to obtain the spreading length, and the product of the spreading width and the spreading length is calculated to obtain the preset spreading area. Of course, the preset spreading area can also be determined according to other methods, and this embodiment does not impose any restrictions on this. Among them, the unit time is determined according to the degree of precision of the liquid snow-melting agent spreading required by the user. The more precise the user wants, the shorter the unit time.

[0049] (2) Taking the mass of the liquid deicing agent in the preset spreading area and the travel speed of the spreading vehicle as input, the discharge amount from the discharge port in the spraying unit of the spreading vehicle is determined using the discharge amount calculation formula.

[0050] The calculation formula of the discharge amount is shown in the following formula (2).

[0051]

[0052] In formula (2), v is the travel speed of the spreading vehicle; m1 is the discharge volume per unit time from the discharge port in the spraying unit of the spreading vehicle; s is the preset spreading area; m is the mass of the liquid deicing agent in the preset spreading area; and L is the length of the preset spreading area.

[0053] (3) Determine the spreading position of the liquid deicing agent based on the discharge amount from the discharge port.

[0054] In this embodiment, the derivation process of the liquid deicing agent mass calculation formula is as follows.

[0055] It can be seen from the snow melting mechanism that when the temperature and the amount of snow are constant, the amount of liquid snow melting agent used is also constant, that is, the road surface temperature and the thickness of the snow determine the amount of liquid snow melting agent used on the road surface within the preset spreading area. In order to accurately control the amount of liquid snow melting agent used, this embodiment establishes a liquid snow melting agent precision usage model (i.e., a liquid snow melting agent mass calculation formula) based on the relationship between temperature, snow amount, and liquid snow melting agent usage. The liquid snow melting agent precision usage model is used to determine the amount of liquid snow melting agent used under different temperatures and snow amounts, thereby achieving precise spreading of the liquid snow melting agent.

[0056] In order to ensure the rationality of establishing a precise usage model of liquid deicing agent, this embodiment makes the following assumptions.

[0057] (1) Assume that snow is a homogeneous body and do not consider the state of the snow layer after being squeezed by external forces.

[0058] (2) The heat released by deliquescence and the effect of vehicles are not considered.

[0059] (3) The impact of surrounding strong wind environment is not considered.

[0060] According to the snow-melting principle of liquid snow-melting agent, the higher the concentration of liquid snow-melting agent, the lower the freezing point (i.e., road surface temperature). In order to determine the freezing points corresponding to liquid snow-melting agents of different concentrations, a scatter plot is drawn with the concentration of liquid snow-melting agent as the horizontal axis and the freezing point as the vertical axis. The scatter plot includes multiple data points, each of which corresponds to a liquid snow-melting agent concentration and a freezing point. By fitting all the data points in the scatter plot, a regression equation can be obtained, as shown in the following formula (3).

[0061]

[0062] In formula (3), T is the freezing point, that is, the road surface temperature, °C; a, b, d are all coefficients of the exponential function; c1 is the concentration of the liquid deicing agent, %.

[0063] By calculating the inverse function of formula (3), the relationship between the concentration of liquid deicing agent and the freezing point is obtained as shown in the following formula (4).

[0064]

[0065] During the snow removal process, a certain mass of liquid deicing agent is spread on a road surface with a preset spreading area. After the ice or snow on the road surface melts, the concentration of the liquid deicing agent also changes accordingly. When the ice or snow is completely melted, the relationship between the concentration of the liquid deicing agent and the amount of liquid deicing agent used is as shown in the following formula (5).

[0066]

[0067] In formula (5), m is the mass of the liquid deicing agent spread on the road surface with a preset spreading area, kg; s is the spreading area of ​​the liquid deicing agent, m 2 ; ρ is the density of snow, kg / m 3 ; h is the snow thickness, m; c2 is the mass ratio of water to solid de-icing agent in the initial liquid de-icing agent, %, and the solid de-icing agent is diluted to liquid de-icing agent at the beginning. m·c2 is the mass of water in the spread liquid de-icing agent.

[0068]

[0069] In formula (6), m2 is the mass of water, kg; m3 is the mass of solid deicing agent, kg.

[0070] According to equations (4) and (5), the relationship between the mass of liquid deicing agent in the preset spreading area and the road surface temperature and snow thickness can be obtained as shown in equation (7).

[0071]

[0072] In this embodiment, during the snow removal process, if the spreading gear of the spreading vehicle is constant, the amount of liquid snow-melting agent spread is constant. It can be obtained that the relationship between the running speed of the spreading vehicle, the discharge amount of the discharge port and the mass of the liquid snow-melting agent in the preset spreading area is as shown in the following formula (8).

[0073]

[0074] In formula (8), v is the speed of the spreading vehicle, km / h; m1 is the discharge volume of the discharging port in the spraying unit of the spreading vehicle, kg / h; s is the preset spreading area, km 2 ; m is the mass of the liquid deicing agent in the preset spreading area, kg; L is the length of the preset spreading area, i.e. the spreading length, km.

[0075] Based on equations (7) and (8), the relationship between the discharge volume of the discharge port and the travel speed of the spreader, the road surface temperature and the snow thickness is shown in equation (9).

[0076]

[0077] According to formula (9), the discharge amount of the discharge port in the spray unit of the spreader can be calculated when the travel speed of the spreader is constant and under different road surface temperatures and snow thicknesses. Since each spreading gear in the spreader corresponds to a range of discharge amount of the discharge port, and the range of discharge amount of the discharge port corresponding to different spreading gears is different, the spread gear can be determined based on the calculated discharge amount of the discharge port. Subsequently, the spray unit of the spreader is controlled to spray the liquid snow-melting agent according to the spreading gear, so as to accurately realize the precise management of the use amount of the liquid snow-melting agent.

[0078] According to domestic research and literature inquiries, in ice and snow removal, the spreading of deicing agents is mostly extensive. If too little deicing agent is spread, the snow removal effect will be poor. If too much deicing agent is spread, although a good snow removal effect is achieved, the consumption cost of the deicing agent is high. The present embodiment can achieve precise management of the use of liquid deicing agent, thereby achieving the best snow removal effect at the lowest cost.

[0079] This embodiment takes the deicing agent used on a certain highway as an example to verify the above-mentioned liquid deicing agent spreading gear calculation method.

[0080] The solid deicing agent was added with water to prepare liquid deicing agents with concentrations of 6%, 8%, 10%, ..., 34%. The freezing point of the liquid deicing agent was tested using a freezing point tester. The freezing point test results are shown in Table 1 below.

[0081] Table 1 Freezing point test results

[0082] Serial number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 concentration 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 freezing point -6.6 -8.9 -11.1 -12.5 -14.8 -16.6 -18.1 -20.3 -23.8 -26.9 -30.3 -32.5 -35.5 -36.8 -36.9

[0083] According to the freezing point detection results, a scatter plot is drawn and a quadratic curve is fitted to obtain the regression equation between the freezing point and the concentration of the liquid deicing agent as shown in the following formula (10).

[0084]

[0085] Combined with formula (7), the relationship between the mass of liquid deicing agent and the snow thickness and road surface temperature under the preset spreading area can be obtained as shown in the following formula (11).

[0086]

[0087] When the spreading width of the spreader is certain, the driving speed and unit time are known, the preset spreading area can be calculated. The snow density is about 328kg / m 3 ,The snow thickness and road surface temperature are detected in real time based on the mobile road surface detector.

[0088] According to formula (11), the mass of the liquid deicing agent in the preset spreading area is calculated as the road surface temperature and snow thickness vary. When the spreading vehicle has a certain speed, the spreading position of the liquid deicing agent can be calculated. Snow is removed on a highway based on the calculated spreading position of the liquid deicing agent to achieve precise spreading of the liquid deicing agent. The results show that the amount of liquid deicing agent spread can be reduced and the use cost of the liquid deicing agent can be reduced while ensuring traffic safety on the highway.

[0089] The embodiment of the present application also provides an application scenario, which applies the above-mentioned method for calculating the spreading gear of the liquid de-icing agent. Specifically, the method for calculating the spreading gear of the liquid de-icing agent provided in this embodiment can be applied in a snow removal scenario, which includes a detection link, a processing link, and a spreading link. The detection link is used to obtain the road surface temperature and snow thickness of the road, the processing link is used to process the road surface temperature and snow thickness to obtain the spreading gear of the liquid de-icing agent, and the spreading link is used to spread the liquid de-icing agent on the road based on the spreading gear of the liquid de-icing agent. The method for calculating the spreading gear of the liquid de-icing agent provided in this embodiment belongs to the processing link.

[0090] Example 2

[0091] like Figure 2 As shown, this embodiment provides a liquid deicing agent spreading gear position calculation device, which is installed on a spreading vehicle, which can also be called an ice and snow removal vehicle. The liquid deicing agent spreading gear position calculation device includes the following components.

[0092] The mobile road surface detector 1 is used for detecting the road surface temperature and snow thickness of the road in real time.

[0093] The collection control unit 2 is connected to the mobile road surface detector 1 for communication, and is used to obtain the road surface temperature and snow thickness detected by the mobile road surface detector 1, and execute the liquid deicing agent spreading gear calculation method described in Example 1 to obtain the spreading gear of the liquid deicing agent. The spreading gear refers to the gear of the discharge port in the spraying unit 3 of the spreading vehicle. The discharge port is used to provide liquid deicing agent. The higher the gear, the greater the discharge amount of the discharge port.

[0094] The spraying unit 3 is in communication connection with the collection control unit 2, and is used to work based on the spreading gear of the liquid snow-melting agent to spread the liquid snow-melting agent on the road.

[0095] In this embodiment, an algorithm model is embedded inside the collection control unit 2, which combines the collected road surface temperature and snow thickness, and uses the liquid deicing agent mass calculation formula and the discharge amount calculation formula to calculate the spreading gear of the liquid deicing agent.

[0096] In this embodiment, the liquid deicing agent spreading gear calculation device further includes: a communication unit 4, which is respectively connected to the acquisition control unit 2 and the display unit 5 for communicating with each other, and is used to transmit the road surface temperature and snow thickness acquired by the acquisition control unit 2 to the display unit 5. The display unit 5 is used to display the road surface temperature and snow thickness.

[0097] In this embodiment, the liquid deicing agent spreading gear calculation device further includes: a camera unit 6, which is connected to the communication unit 4 for obtaining a road image of the road after the liquid deicing agent is spread. The communication unit 4 is also used to transmit the road image to the display unit 5. The display unit 5 is also used to display the road image.

[0098] In this embodiment, the liquid deicing agent spreading gear calculation device further includes: a spraying communication unit 7, which is respectively connected to the collection control unit 2, the spraying unit 3 and the display unit 5 for communicating with each other, and is used to transmit the spreading gear of the liquid deicing agent obtained by the collection control unit 2 to the spraying unit 3 and the display unit 5. The spraying unit 3 is used to work according to the spreading gear of the liquid deicing agent. The display unit 5 is also used to display the spreading gear of the liquid deicing agent.

[0099] In this embodiment, the collection control unit 2 sends an instruction of the calculated optimal spreading gear of the liquid de-icing agent to the spraying communication unit 7, and the spraying communication unit 7 transmits the spreading gear of the liquid de-icing agent to the spraying unit 3. The spraying unit 3 automatically changes the spreading gear according to the spreading gear of the liquid de-icing agent, and can calculate the accumulated spreading amount of the liquid de-icing agent at the same time.

[0100] In this embodiment, the mobile road surface detector 1 can be installed on the front of the spreading vehicle, the collection control unit 2, the communication unit 4, the spraying communication unit 7, the spraying unit 3 and the display unit 5 can be installed on the body of the spreading vehicle, and the display unit 5 can be installed in the driving space of the spreading vehicle to facilitate the driver to view and operate. The display unit 5 can display the road surface temperature, snow thickness, driving speed, spreading gear, spreading time, cumulative spreading amount and camera images. The camera unit 6 can be installed at the rear of the spreading vehicle. At this time, the camera unit 6 can be called a rear camera. The rear camera is used to shoot the road surface after the liquid snow-melting agent is spread, so as to facilitate real-time viewing of the road surface conditions after the liquid snow-melting agent is spread.

[0101] At present, automatic spraying equipment is often used in intelligent de-icing and snow-removing equipment. Specifically, spraying equipment is built on both sides of the highway. According to meteorological data and road conditions, the spraying equipment automatically sprays snow-melting agents, but the construction cost of this spraying equipment is relatively high. At the same time, when the spraying equipment automatically sprays snow-melting agents, the amount of snow-melting agents used is also determined based on experience. In view of the fact that too much snow-melting agent will harm the road surface and surrounding soil, and too little snow-melting agent will cause the road surface to be not cleaned cleanly, there are traffic safety hazards, and the construction cost of automatic spraying equipment is relatively high, this embodiment proposes to install a mobile road surface detector 1 at the front end of the spreading vehicle, collect the road surface temperature and snow thickness in real time during the driving of the spreading vehicle, and transmit the collected road surface temperature and snow thickness to the collection control unit 2. The collection control unit 2 is embedded with an algorithm model. When the driving speed of the spreading vehicle is constant, the optimal liquid snow-melting agent spreading gear is calculated, and the spreading gear of the liquid snow-melting agent on the spreading vehicle is automatically controlled through the spraying unit 3 of the spreading vehicle, so that the liquid snow-melting agent can be accurately spread, thereby reducing the consumption cost of the snow-melting agent.

[0102] Example 3

[0103] This embodiment provides a computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the method for calculating the liquid deicing agent spreading gear position described in Embodiment 1 is implemented.

[0104] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above 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.

[0105] This article uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and core ideas of this application. At the same time, for those skilled in the art, according to the ideas of this application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting this application.

Claims

1. A method for calculating the liquid deicing agent spreading gear, characterized in that: The liquid deicing agent spreading position calculation method comprises: Obtain the road surface temperature and snow thickness; Based on the road surface temperature and snow thickness, the spreading gear of the liquid snow melting agent is determined; the spreading gear determines the spreading amount of the liquid snow melting agent; Based on the spreading gear of the liquid snow-melting agent, the spraying unit of the spreading vehicle is controlled to spread the liquid snow-melting agent onto the road.

2. The method for calculating the liquid deicing agent spreading gear position according to claim 1, characterized in that: Determine the spreading position of the liquid snow-melting agent based on the road surface temperature and snow thickness, including: Taking the road surface temperature and snow thickness as input, the mass of the liquid deicing agent within the preset spreading area is determined using the liquid deicing agent mass calculation formula; The mass of the liquid deicing agent in the preset spreading area and the travel speed of the spreading vehicle are used as inputs, and the discharge amount of the discharge port in the spraying unit of the spreading vehicle is determined using the discharge amount calculation formula; The spreading position of the liquid snow-melting agent is determined based on the discharge amount of the discharge port.

3. The method for calculating the liquid deicing agent spreading gear position according to claim 2, characterized in that: The mass calculation formula of liquid deicing agent is: Among them, m is the mass of liquid deicing agent in the preset spreading area; a, b, and d are the coefficients of the exponential function; T is the road surface temperature; s is the preset spreading area; ρ is the density of snow; h is the thickness of snow accumulation; c2 is the mass ratio of water to solid deicing agent in the liquid deicing agent.

4. The method for calculating the liquid deicing agent spreading gear position according to claim 2, characterized in that: The formula for calculating the discharge volume is: Among them, v is the travel speed of the spreading vehicle; m1 is the discharge volume of the discharging port in the spraying unit of the spreading vehicle; s is the preset spreading area; m is the mass of the liquid deicing agent in the preset spreading area; L is the length of the preset spreading area.

5. A liquid deicing agent spreading position calculation device, installed on a spreading vehicle, characterized in that: The liquid deicing agent spreading gear position calculation device comprises: Mobile road surface detector, used to detect road surface temperature and snow thickness in real time; A collection control unit, which is in communication with the mobile road surface detector and is used to execute the liquid deicing agent spreading gear calculation method according to any one of claims 1 to 4; The spraying unit is communicatively connected with the collection control unit and is used to work based on the spreading gear of the liquid snow-melting agent to spread the liquid snow-melting agent on the road.

6. The liquid deicing agent spreading gear position calculation device according to claim 5, characterized in that: The liquid deicing agent spreading gear position calculation device also includes: A communication unit is connected to the collection control unit and the display unit for communication, and is used to transmit the road surface temperature and snow thickness acquired by the collection control unit to the display unit; Display unit for displaying road surface temperature and snow thickness.

7. The liquid deicing agent spreading gear calculation device according to claim 6, characterized in that: The liquid deicing agent spreading gear position calculation device also includes: A camera unit is connected to the communication unit for acquiring a road image of the road after the liquid snow melting agent is spread; The communication unit is also used to transmit the road image to the display unit; The display unit is also used to display a road image.

8. The liquid deicing agent spreading gear position calculation device according to claim 7, characterized in that: The liquid deicing agent spreading gear position calculation device also includes: A spraying communication unit is respectively connected to the collection control unit, the spraying unit and the display unit for transmitting the spreading gear of the liquid snow melting agent obtained by the collection control unit to the spraying unit and the display unit; The display unit is also used to display the spreading position of the liquid snow melting agent.

9. The liquid deicing agent spreading gear position calculation device according to claim 8, characterized in that: The mobile road surface detector is installed on the front of the spreading vehicle; the collection control unit, communication unit, spraying communication unit, spraying unit and display unit are installed on the body of the spreading vehicle; and the camera unit is installed on the rear of the spreading vehicle.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the method for calculating the liquid deicing agent spreading gear position according to any one of claims 1 to 4 is implemented.

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