Method, system and equipment for radar detection of thickness of ice layer of fire pool, computer readable storage medium and computer program product

Abstract

The invention belongs to the technical field of measurement, and particularly relates to liquid level measurement, in particular to a method, a system and equipment for detecting the thickness of an ice layer of a fire pool through a radar, a computer readable storage medium and a computer program product. That is, electromagnetic waves emitted by the electromagnetic liquid level meter are reflected when making contact with the ice surface, the water surface and the pool bottom in the fire pool; the control module obtains the thickness of the ice layer and the height of the liquid level according to the time of receiving the electromagnetic waves reflected by the ice surface, the time of reflecting the electromagnetic waves by the water surface and the time of reflecting the electromagnetic waves by the pool bottom, so that the water volume and the icing thickness in the fire pool are accurately detected in real time, and the water volume in the fire pool is prevented from exceeding the maximum height. The danger caused by too large pressure due to pressurization in the fire pool after the water quantity exceeds the maximum height is avoided, early warning is conducted when the icing thickness is too large, and water leakage of the fire pool caused by too thick icing is avoided.

Description

Technical Field

[0001] The present invention belongs to the field of measurement technology, specifically relates to liquid level measurement, and more particularly to a method, system, device, computer-readable storage medium and computer program product for detecting ice thickness in a fire water pool by radar. Background Art

[0002] The fire water pool needs to be filled with water to store water. During the water storage process, the thickness of the ice layer needs to be detected in real time. If the thickness of the ice layer is too thick, the fire water pool will be affected by the expansion of the frozen water volume, resulting in serious leakage in the fire water pool. After the water filling is completed, the fire water pool needs to be pressurized for subsequent use so that water can be sprayed out at high pressure. The pressurization needs to be adjusted and controlled according to the volume of the water. There is a delay in the volume detection of water in the related technology, resulting in the water level in the fire water pool exceeding the maximum water level. At this time, when the fire water pool is pressurized, it will cause excessive pressure, and the environment around the fire water pool will cause the water surface of the fire water pool to freeze. The freezing will cause the volume of water in the fire water pool to increase. The delay in water volume detection and the increase in volume caused by freezing will affect the pressurization in the fire water pool, resulting in safety hazards caused by excessive pressure and causing leakage in the fire water pool.

[0003] Therefore, in order to solve the technical problem of fire water pool leakage caused by ice formation in the fire water pool, it is necessary to design a radar method, system, equipment, computer-readable storage medium and computer program product for detecting the thickness of ice in the fire water pool.

[0004] It should be noted that the above information disclosed in this background technology section is only used to understand the background technology of the present application concept, and therefore, the above description is not considered to constitute information of the prior art. Summary of the invention

[0005] The embodiments of the present disclosure at least provide a method, system, device, computer-readable storage medium and computer program product for detecting the thickness of ice in a fire water pool by radar, so as to solve the technical problem of water leakage in a fire water pool caused by ice formation in the fire water pool.

[0006] In a first aspect, an embodiment of the present disclosure provides a method for detecting ice thickness in a fire pool by using a radar, comprising: The control module determines the thickness of the ice layer based on the reflection of the electromagnetic wave emitted by the electromagnetic level meter into the fire water tank, that is, The electromagnetic waves emitted by the electromagnetic level meter are reflected when they touch the ice surface in the fire water pool, reflected when they touch the water surface, and reflected when they touch the bottom of the fire water pool; The control module obtains the thickness of the ice layer and the height of the liquid level according to the time when the electromagnetic wave reflected by the ice surface, the time when the electromagnetic wave reflected by the water surface and the time when the electromagnetic wave reflected by the pool bottom are received; The control module obtains the actual parameters of the water surface ripples according to the water surface image of the fire pool; The control module obtains the volume of the water surface ripples according to the actual parameters of the water surface ripples, and then obtains the total volume of water in the fire water pool in real time; The method for the control module to obtain the actual parameters of the water surface ripples according to the fire pool water surface image includes: During the process of injecting water into the fire water pool, ripples are formed on the water surface of the fire water pool. The control module controls the camera module to continuously collect a number of water surface images, and controls the electromagnetic level meter to detect the precise height of the water surface ripples at the corresponding position. The rough height of the water surface ripples at the detection position of the electromagnetic level meter is obtained in each water surface image through image recognition. The adjustment ratio is obtained by dividing the precise height at the same position by the rough height, and the adjustment ratio corresponding to each water surface image is obtained; The actual parameters of water surface ripples include: precise circumference, precise amplitude and precise wavelength; If the difference between the adjustment ratios of two adjacent water surface images is within the preset error range, the adjustment ratios are judged to be normal, otherwise the adjustment ratios are judged to be abnormal; When the adjustment ratios are all normal, the average value of all adjustment ratios is obtained as the final adjustment ratio; When the adjustment ratio is abnormal, several water surface images are continuously collected again to regain the adjustment ratio.

[0007] In an optional implementation, the method in which the control module obtains actual parameters of water surface ripples according to the fire pool water surface image further includes: The actual parameters of water surface ripples include: precise circumference, precise amplitude and precise wavelength; After obtaining the final adjustment ratio, the rough perimeter, rough amplitude and rough wavelength corresponding to each ripple are obtained in the water surface image through image recognition; Multiply both the coarse circumference and coarse wavelength by the final adjustment ratio to obtain the fine circumference and fine wavelength; The fine amplitude is obtained by integration based on the coarse amplitude.

[0008] In an optional implementation, the method by which the control module obtains the volume of the water surface ripples according to the actual parameters of the water surface ripples includes: The control module builds a corrugated volume model: V = W × L × A; Among them, V is the corrugation volume; W is the precise circumference; L is the precise wavelength; A is the precise amplitude.

[0009] In an optional embodiment, the method for obtaining the volume of water in the fire water pool in real time includes: The control module obtains the volume of all ripples on the water surface, and obtains the volume between the water surface and the bottom surface of the fire water tank according to the bottom area of ​​the fire water tank and the precise height corresponding to the lowest point of the sinusoidal wave, so as to obtain the total volume of water in the fire water tank.

[0010] In an optional embodiment, the control module obtains the thickness of the ice in the fire water pool according to the environmental parameters, and then determines whether to stop injecting water into the fire water pool according to the total volume of water in the fire water pool and the thickness of the ice in real time.

[0011] In a second aspect, the embodiment of the present disclosure further provides a radar system for detecting the thickness of ice in a fire pool using the above-mentioned radar method for detecting the thickness of ice in a fire pool, comprising: A parameter adjustment unit, which is configured to obtain actual parameters of water surface ripples according to the fire pool water surface image; A volume acquisition unit, which is configured to acquire the volume of the water surface ripples according to the actual parameters of the water surface ripples, and then acquire the total volume of water in the fire water pool in real time; The actual parameters of water surface ripples include: precise circumference, precise amplitude and precise wavelength; The method for obtaining the volume of the water surface ripples according to the actual parameters of the water surface ripples comprises: Construct the corrugated volume model: V = W × L × A; Wherein, V is the corrugation volume; W is the precise circumference; L is the precise wavelength; A is the precise amplitude; The method for obtaining the total volume of water in the fire water pool in real time comprises: The volume of all ripples on the water surface is obtained according to the ripple volume, and the volume between the water surface and the bottom surface of the fire water tank is obtained according to the bottom area of ​​the fire water tank and the precise height corresponding to the lowest point of the sinusoidal wave, so as to obtain the total volume of water in the fire water tank.

[0012] In a third aspect, the embodiments of the present disclosure further provide a computer-readable storage medium having a computer program / instruction stored thereon, which, when executed by a processor, implements the steps of the above-mentioned method for detecting the thickness of ice in a fire water pool by radar.

[0013] In a fourth aspect, the embodiments of the present disclosure further provide a computer program product, including a computer program / instruction, which, when executed by a processor, implements the steps of the above-mentioned method for detecting the thickness of ice in a fire water pool by radar.

[0014] In a fifth aspect, the embodiment of the present disclosure further provides a radar device for detecting the thickness of ice in a fire pool, including: A control module, and an electromagnetic level meter and a camera module electrically connected to the control module; The electromagnetic liquid level meter comprises: a housing and a transmitting end; The shell is arranged on the bottom surface of the top cover of the fire water tank; The transmitting end is arranged on the inner top surface of the shell, the transmitting end is electrically connected to the control module, and the control module is configured to control the transmitting end to transmit electromagnetic waves to the water surface in the fire water pool; The camera module is arranged on the inner top surface of the housing, and the control module is configured to control the camera module to capture the water surface image of the water surface in the fire water pool; The control module is configured to use the above-mentioned radar detection method of the ice thickness of the fire water pool to obtain the total volume of water in the fire water pool in real time.

[0015] The beneficial effect of the present invention is that the radar detection method for the thickness of the ice layer in the fire water pool includes: a control module determines the thickness of the ice layer according to the reflection of the electromagnetic wave emitted by the electromagnetic level meter into the fire water pool, that is, the electromagnetic wave emitted by the electromagnetic level meter is reflected when it contacts the ice surface in the fire water pool, the electromagnetic wave is reflected when it contacts the water surface, and the electromagnetic wave is reflected when it contacts the bottom of the fire water pool; the control module obtains the thickness of the ice layer according to the time of receiving the electromagnetic wave reflected by the ice surface, the time of reflecting the electromagnetic wave by the water surface, and the time of reflecting the electromagnetic wave by the bottom of the pool, thereby realizing real-time and accurate detection of the water volume and ice thickness in the fire water pool, avoiding the water volume in the fire water pool from exceeding the maximum height, avoiding the water volume exceeding the maximum height and pressurizing the fire water pool to cause excessive pressure and danger, and issuing an early warning when the ice thickness is too thick, avoiding the fire water pool from leaking due to excessive ice thickness.

[0016] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0017] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, this article specifically cites preferred embodiments and provides detailed descriptions as follows in conjunction with the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A flow chart of a method for detecting ice thickness in a fire pool by radar provided in an embodiment of the present disclosure; Figure 2A principle block diagram of a method for detecting ice thickness in a fire pool by using radar provided in an embodiment of the present disclosure; Figure 3 A schematic diagram of a corrugated sinusoidal waveform provided in an embodiment of the present disclosure; Figure 4 A schematic diagram of the circumference of a corrugation provided in an embodiment of the present disclosure; Figure 5 A schematic diagram of the structure of a radar device for detecting the thickness of ice in a fire pool provided in an embodiment of the present disclosure.

[0020] In the figure: 1 housing, 2 transmitting end, 3 camera module. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] As used herein, the phrases "in one embodiment," "according to one embodiment," "in some embodiments," and the like generally refer to the fact that the particular feature, structure, or characteristic following the phrase may be included in at least one embodiment of the present disclosure. Therefore, a particular feature, structure, or characteristic may be included in more than one embodiment of the present disclosure, so that these phrases do not necessarily refer to the same embodiment. As used herein, the terms "example," "exemplary," and the like are used to "serve as an example, instance, or illustration." Any implementation, aspect, or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. On the contrary, the use of the terms "example," "exemplary," and the like is intended to present concepts in a concrete manner.

[0023] In the related art, the amount of water that has been injected into the fire pool is obtained through a flow meter, etc., but there is a delay in the data sent by the flow meter, which makes it impossible to judge in real time whether the amount of water that has been injected into the fire pool has reached the maximum amount of water, because when the maximum amount of water is judged to be reached, the actual amount of water has exceeded the maximum amount of water. At this time, if the fire pool is pressurized, the pressure in the fire pool will exceed the maximum pressure due to the reduction of the remaining space in the fire pool, which poses a safety hazard. For example, excessive pressure may cause the fire pool to leak. In addition, since the water stored in the fire pool generally contains sediment, it is impossible to use a float valve to control the water level in the fire pool, because the sediment may cause the float valve to be blocked, etc., causing the float valve to fail; the fire pipe is a metal pipe, so salt cannot be added to the water stored in the fire pool to prevent the water from freezing, and salt may corrode the metal pipe.

[0024] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0025] like Figure 1 As shown, at least one disclosed embodiment provides a method for detecting the thickness of ice in a fire water pool by radar, including: a control module determines the thickness of the ice layer according to the reflection of electromagnetic waves emitted by an electromagnetic level meter into the fire water pool, that is, the electromagnetic waves emitted by the electromagnetic level meter are reflected when they contact the ice surface in the fire water pool, the electromagnetic waves are reflected when they contact the water surface, and the electromagnetic waves are reflected when they contact the bottom of the fire water pool; the control module obtains the thickness of the ice layer and the liquid level according to the time when the electromagnetic waves reflected by the ice surface, the time when the electromagnetic waves reflected by the water surface, and the time when the electromagnetic waves reflected by the bottom of the pool are received; the electromagnetic waves reflected by the ice surface, the water surface, and the bottom of the pool are reflected. Waves, the wavelengths of these three electromagnetic waves are different, so the control module can obtain the thickness of the ice layer and the height of the liquid level at this time according to the time points of receiving different wavelengths and the time difference of receiving different wavelengths; after storing water in the fire water pool, the water will freeze due to the low ambient temperature, causing the sum of the volume of water and the volume of ice to be greater than the volume of the originally stored water. The thicker the ice layer, the greater the volume increase. If the ice layer is too thick, the fire water pool will be squeezed and leak. Therefore, real-time detection of the ice thickness is required. If the ice thickness exceeds the preset ice thickness, an alarm is required to remind the staff to intervene and melt the ice by other means.

[0026] In this embodiment, the actual parameters of the water surface ripples include: precise circumference, precise amplitude and precise wavelength.

[0027] In this embodiment, although the thickness of the ice layer can be predicted according to the possible ambient temperature, it is still necessary to detect the thickness of the ice layer in real time to avoid the ice layer being too thick.

[0028] In this embodiment, the method for obtaining the thickness of the ice layer and the height of the liquid level after freezing in the control module can be that when the control module receives the time when the electromagnetic wave is reflected by the ice surface is t1, the time when the electromagnetic wave is reflected by the liquid surface is t2, and the time when the electromagnetic wave is reflected by the bottom of the pool is t3, the propagation speed of the electromagnetic wave in the ice layer is v1, and the propagation speed in the water is v2, then the thickness of the ice layer h1=v1×(t2-t1), and the liquid level h2=v2×(t3-t2).

[0029] In an optional embodiment, the control module obtains actual parameters of water surface ripples based on the water surface image of the fire water tank; the control module obtains the volume of the water surface ripples based on the actual parameters of the water surface ripples, and then obtains the total volume of water in the fire water tank in real time, thereby realizing real-time and accurate detection of the water volume in the fire water tank, preventing the water volume in the fire water tank from exceeding the maximum height, and avoiding pressurizing the fire water tank after the water volume exceeds the maximum height, causing excessive pressure and creating a danger.

[0030] In this embodiment, the control module can be electrically connected to a wireless communication module, such as a 5G module, to send the acquired water volume to a host computer.

[0031] like Figure 2 As shown, in this embodiment, the fire water pool can be connected to a water pump, which is controlled by a control module. Water is injected into the fire water pool through the water pump, and when the height corresponding to the water volume is reached, the control module controls the water pump to stop injecting water.

[0032] In this embodiment, the control module can also directly send the acquired water surface image to the host computer, which will obtain the actual parameters and the total volume of water in the subsequent pool. The host computer then feeds back the control signal to the control module, and the control module controls the water pump to stop according to the control signal.

[0033] The fire water pool is a pool with a cover on the top. The camera module 3 and the electromagnetic level meter can be arranged on the inner top surface of the cover. The camera module 3 can be a camera or the like.

[0034] In an optional embodiment, the method for the control module to obtain the actual parameters of water surface ripples based on the water surface image of the fire water tank includes: ripples are formed on the water surface of the fire water tank during the process of filling water into the fire water tank, the control module controls the camera module 3 to continuously collect a number of water surface images, and controls the electromagnetic liquid level meter to detect the precise height of the water surface ripples at the corresponding position, obtains the rough height of the water surface ripples at the detection position of the electromagnetic liquid level meter in each water surface image through image recognition, divides the precise height at the same position by the rough height to obtain the adjustment ratio, and obtains the adjustment ratio corresponding to each water surface image; if the difference between the corresponding adjustment ratios of two adjacent water surface images is within a preset error range, it is judged that the adjustment ratios are normal, otherwise it is judged that the adjustment ratios are abnormal; when the adjustment ratios are normal, the average value of all adjustment ratios is obtained as the final adjustment ratio; when the adjustment ratio is abnormal, a number of water surface images are continuously collected again to re-obtain the adjustment ratio.

[0035] In this embodiment, after the camera module 3 takes a water surface image, the electromagnetic level meter detects the precise height of the water surface ripples at the corresponding position, and obtains the rough height of the water surface ripples at the corresponding position detected by the electromagnetic level meter in the water surface image through image recognition and other methods. The precise height is divided by the rough height to obtain the adjustment ratio, and each water surface image will obtain a corresponding adjustment ratio.

[0036] In this embodiment, an adjustment ratio range and a preset error range corresponding to the adjustment ratio difference are preset in the control module. Each adjustment ratio obtained must first be within the adjustment ratio range. At this time, the adjustment ratio is initially normal. Then, the adjustment ratios corresponding to adjacent water surface images are subtracted to obtain the error value. If the error value is within the error range, the adjustment ratio is judged to be normal.

[0037] In this embodiment, if the adjustment ratio is abnormal, the adjustment ratio is obtained again after reacquiring several water surface images. If the adjustment ratio is abnormal and the water surface image is acquired again and the re-identified adjustment ratio is still abnormal, the management personnel is reminded that the camera module 3 or the electromagnetic liquid level meter may be damaged and needs to be inspected.

[0038] In an optional embodiment, the method by which the control module obtains actual parameters of water surface ripples based on the fire water tank surface image also includes: the actual parameters of the water surface ripples include: fine circumference, fine amplitude and fine wavelength; after obtaining the final adjustment ratio, obtaining the coarse circumference, coarse amplitude and coarse wavelength corresponding to each ripple in the water surface image through image recognition; multiplying the coarse circumference and coarse wavelength by the final adjustment ratio to obtain the fine circumference and fine wavelength; and obtaining the fine amplitude by integration based on the coarse amplitude.

[0039] In this embodiment, the precise amplitude can be obtained by obtaining a cross section of the water surface ripples in the water surface image, dividing the cross section into a number of vertical lines, and finally adjusting the proportions of the vertical lines so that the vertical lines are parallel to the vertical lines corresponding to the amplitude. The average value of all processed vertical lines is obtained by integration, which is the precise amplitude A.

[0040] In this embodiment, since the shape of the water surface ripples is only approximately a sine wave, it is necessary to obtain the actual corresponding precise amplitude A through integration.

[0041] In this embodiment, since the fire water pool is provided with a cover plate, the process of filling water into the fire water pool will not be affected by other factors, so the ripples formed on the water surface are sinusoidal waves, the trough of the sinusoidal waves is the water surface, and the crest is the highest point of the ripples.

[0042] like Figure 3 and Figure 4 As shown, in an optional implementation manner, the method for the control module to obtain the volume of the water surface ripples according to the actual parameters of the water surface ripples includes: the control module constructs a ripple volume model: V = W × L × A; Among them, V is the corrugation volume; W is the precise circumference; L is the precise wavelength; A is the precise amplitude.

[0043] In an optional embodiment, the method for obtaining the volume of water in a fire water tank in real time includes: the control module obtains the volume of all ripples on the water surface, and obtains the volume between the water surface and the bottom surface of the fire water tank based on the bottom area of ​​the fire water tank and the precise height corresponding to the lowest point of the sinusoidal waves, so as to obtain the total volume of water in the fire water tank.

[0044] In this embodiment, the water surface image can be obtained in real time during the water injection process, and the volume of each ripple in the water surface image can be obtained according to the ripple volume model. Then, the total volume of water in the fire water tank at this time can be obtained by adding the sum of all ripple volumes to the water volume between the water surface and the bottom surface of the fire water tank. The total volume of water in the fire water tank can then be determined in real time whether the total volume of water in the fire water tank has reached the maximum volume to avoid the total volume exceeding the maximum volume.

[0045] In this embodiment, the height of the water surface can be identified through the water surface image, and then adjusted through the final adjustment ratio to obtain the precise height corresponding to the lowest point of the sinusoidal wave, that is, the precise height of the water surface, so as to accurately obtain the water volume between the water surface and the bottom surface of the fire water tank.

[0046] In an optional embodiment, the control module obtains the thickness of the ice in the fire water pool according to the environmental parameters, and then determines whether to stop injecting water into the fire water pool according to the total volume of water in the fire water pool and the thickness of the ice in real time.

[0047] In this embodiment, when the weather is cold, the water surface in the fire water pool will freeze. At this time, the water surface height plus the thickness of the ice will exceed the maximum height of the water surface. Therefore, the impact of freezing needs to be considered when filling the fire water pool in winter.

[0048] In this embodiment, the thickness of the ice layer is: ; Wherein, h is the thickness of the ice layer; k is the proportionality coefficient; t is the freezing time; the time during which the temperature is continuously equal to or lower than 0 degrees Celsius in the future can be obtained according to the weather forecast, and this period of time can be used as the freezing time to predict the thickness of the ice that may form in the future. The maximum amount of water that can be injected can be determined based on the thickness of the ice that may form, so as to avoid the ice layer thickness and water surface height exceeding the maximum height after freezing.

[0049] At least one disclosed embodiment also provides a radar system for detecting the thickness of ice in a fire water pool using the above-mentioned radar method for detecting the thickness of ice in a fire water pool, comprising: a parameter adjustment unit configured to obtain actual parameters of water surface ripples based on the water surface image of the fire water pool; a volume acquisition unit configured to obtain the volume of the water surface ripples based on the actual parameters of the water surface ripples, and then obtain the total volume of water in the fire water pool in real time.

[0050] In this embodiment, the actual parameters of the water surface ripples include: precise circumference, precise amplitude and precise wavelength; the method for obtaining the volume of the water surface ripples according to the actual parameters of the water surface ripples includes: constructing a ripple volume model: V = W × L × A; Among them, V is the corrugation volume; W is the precise circumference; L is the precise wavelength; A is the precise amplitude.

[0051] The method for obtaining the total volume of water in the fire water pool in real time includes: obtaining the volume of all ripples on the water surface according to the ripple volume, and obtaining the volume between the water surface and the bottom surface of the fire water pool according to the bottom area of ​​the fire water pool and the precise height corresponding to the lowest point of the sinusoidal wave, so as to obtain the total volume of water in the fire water pool.

[0052] At least one disclosed embodiment further provides a computer-readable storage medium having a computer program / instruction stored thereon, which, when executed by a processor, implements the steps of the above-mentioned method for detecting the thickness of ice in a fire water pool by radar.

[0053] At least one disclosed embodiment further provides a computer program product, including a computer program / instruction, which, when executed by a processor, implements the steps of the above-mentioned method for detecting the thickness of ice in a fire pool by radar.

[0054] like Figure 5As shown, at least one disclosed embodiment also provides a radar detection device for the thickness of ice in a fire water tank, comprising: a control module, and an electromagnetic level meter and a camera module 3 electrically connected to the control module; the electromagnetic level meter comprises: a shell 1 and a transmitting end 2; the shell 1 is arranged on the bottom surface of the top cover of the fire water tank; the transmitting end 2 is arranged on the inner top surface of the shell 1, the transmitting end 2 is electrically connected to the control module, and the control module is configured to control the transmitting end 2 to transmit electromagnetic waves to the water surface in the fire water tank; the camera module 3 is arranged on the inner top surface of the shell 1, and the control module is configured to control the camera module 3 to capture the water surface image of the water surface in the fire water tank; the control module is configured to adopt the above-mentioned radar detection method for the thickness of ice in the fire water tank to obtain the total volume of water in the fire water tank in real time.

[0055] In this embodiment, the housing 1 may be trumpet-shaped, with the side with a larger cross section facing downward.

[0056] In this embodiment, the transmitting end 2 transmits electromagnetic waves to the water surface in the fire water pool and then receives the reflected electromagnetic waves to determine the height of the water surface.

[0057] In summary, the method for detecting the thickness of ice in a fire water pool by radar includes: the control module obtains the actual parameters of water surface ripples according to the water surface image of the fire water pool; the control module obtains the volume of the water surface ripples according to the actual parameters of the water surface ripples, and then obtains the total volume of water in the fire water pool in real time, thereby realizing real-time and accurate detection of the water volume in the fire water pool, preventing the water volume in the fire water pool from exceeding the maximum height, and avoiding pressurizing the fire water pool after the water volume exceeds the maximum height, causing excessive pressure and danger.

[0058] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A radar method for detecting ice thickness in a fire pool, characterized in that: include: The control module determines the thickness of the ice layer based on the reflection of the electromagnetic wave emitted by the electromagnetic level meter into the fire water tank. The electromagnetic waves emitted by the electromagnetic level meter are reflected when they touch the ice surface in the fire water pool, reflected when they touch the water surface, and reflected when they touch the bottom of the fire water pool; The control module obtains the thickness of the ice layer and the height of the liquid level according to the time when the electromagnetic wave reflected by the ice surface, the time when the electromagnetic wave reflected by the water surface and the time when the electromagnetic wave reflected by the pool bottom are received; The control module obtains the actual parameters of the water surface ripples according to the water surface image of the fire pool; The control module obtains the volume of the water surface ripples according to the actual parameters of the water surface ripples, and then obtains the total volume of water in the fire water pool in real time; The method for the control module to obtain the actual parameters of the water surface ripples according to the fire pool water surface image includes: During the process of injecting water into the fire water pool, ripples are formed on the water surface of the fire water pool. The control module controls the camera module (3) to continuously collect a number of water surface images, and controls the electromagnetic level meter to detect the precise height of the water surface ripples at the corresponding position. In each water surface image, the rough height of the water surface ripples at the detection position of the electromagnetic level meter is obtained by image recognition. The adjustment ratio is obtained by dividing the precise height at the same position by the rough height, and the adjustment ratio corresponding to each water surface image is obtained. The actual parameters of water surface ripples include: precise circumference, precise amplitude and precise wavelength; If the difference between the adjustment ratios of two adjacent water surface images is within the preset error range, the adjustment ratios are judged to be normal, otherwise the adjustment ratios are judged to be abnormal; When the adjustment ratios are all normal, the average value of all adjustment ratios is obtained as the final adjustment ratio; When the adjustment ratio is abnormal, several water surface images are continuously collected again to regain the adjustment ratio.

2. The method for detecting ice thickness in a fire pool by radar as claimed in claim 1, characterized in that: The method in which the control module obtains actual parameters of water surface ripples according to the fire pool water surface image also includes: The actual parameters of water surface ripples include: precise circumference, precise amplitude and precise wavelength; After obtaining the final adjustment ratio, the rough perimeter, rough amplitude and rough wavelength corresponding to each ripple are obtained in the water surface image through image recognition; Multiply both the coarse circumference and coarse wavelength by the final adjustment ratio to obtain the fine circumference and fine wavelength; The fine amplitude is obtained by integration based on the coarse amplitude.

3. The method for detecting ice thickness in a fire pool by radar as claimed in claim 2, characterized in that: The method for the control module to obtain the volume of the water surface ripples according to the actual parameters of the water surface ripples includes: The control module builds a corrugated volume model: V = W × L × A; Among them, V is the corrugation volume; W is the precise circumference; L is the precise wavelength; A is the precise amplitude.

4. The method for detecting ice thickness in a fire pool by radar as claimed in claim 3, characterized in that: The method for obtaining the volume of water in the fire water pool in real time comprises: The control module obtains the volume of all ripples on the water surface, and obtains the volume between the water surface and the bottom surface of the fire water tank according to the bottom area of ​​the fire water tank and the precise height corresponding to the lowest point of the sinusoidal wave, so as to obtain the total volume of water in the fire water tank.

5. The method for detecting ice thickness in a fire pool by radar as claimed in claim 4, characterized in that: The control module obtains the thickness of the ice that is about to form in the fire water pool according to the environmental parameters, and then determines whether to stop injecting water into the fire water pool according to the total volume of water in the fire water pool and the thickness of the ice that is about to form in real time.

6. A radar system for detecting the ice thickness of a fire pool using the radar method for detecting the ice thickness of a fire pool as claimed in any one of claims 1 to 5, characterized in that: include: A parameter adjustment unit, which is configured to obtain actual parameters of water surface ripples according to the fire pool water surface image; A volume acquisition unit, which is configured to acquire the volume of the water surface ripples according to the actual parameters of the water surface ripples, and then acquire the total volume of water in the fire water pool in real time; in The actual parameters of water surface ripples include: precise circumference, precise amplitude and precise wavelength; The method for obtaining the volume of the water surface ripples according to the actual parameters of the water surface ripples comprises: Construct the corrugated volume model: V = W × L × A; Wherein, V is the corrugation volume; W is the precise circumference; L is the precise wavelength; A is the precise amplitude; The method for obtaining the total volume of water in the fire water pool in real time comprises: The volume of all ripples on the water surface is obtained according to the ripple volume, and the volume between the water surface and the bottom surface of the fire water tank is obtained according to the bottom area of ​​the fire water tank and the precise height corresponding to the lowest point of the sinusoidal wave, so as to obtain the total volume of water in the fire water tank.

7. A computer-readable storage medium having a computer program / instruction stored thereon, characterized in that: When the computer program / instruction is executed by a processor, the steps of the method for detecting the thickness of ice in a fire pool by radar as described in any one of claims 1 to 5 are implemented.

8. A computer program product comprising a computer program / instructions, characterized in that When the computer program / instruction is executed by a processor, the steps of the method for detecting the thickness of ice in a fire pool by radar as described in any one of claims 1 to 5 are implemented.

9. A radar device for detecting ice thickness in a fire pool, characterized in that: include: A control module, and an electromagnetic level meter and a camera module (3) electrically connected to the control module; The electromagnetic liquid level meter comprises: a housing (1) and a transmitting end (2); The shell (1) is arranged on the bottom surface of the top cover of the fire water tank; The transmitting end (2) is arranged on the inner top surface of the housing (1), the transmitting end (2) is electrically connected to the control module, and the control module is configured to control the transmitting end (2) to transmit electromagnetic waves to the water surface of the fire water pool; The camera module (3) is arranged on the inner top surface of the housing (1), and the control module is configured to control the camera module (3) to capture a water surface image of the water surface in the fire water pool; The control module is configured to obtain the total volume of water in the fire water pool in real time by using the radar detection method for the thickness of ice in the fire water pool as described in any one of claims 1 to 5.

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