Water level monitoring device

Abstract

The utility model discloses a water level monitoring device which comprises an outer shell, a water level sensor and a water level sensor, the control panel is arranged in the mounting cavity; the monitoring assembly comprises a radar sensor, an air pressure monitoring module and two water immersion contact pieces; the air pressure monitoring module is arranged at the bottom of the outer shell, the water immersion contact pieces are arranged at the bottom of the outer shell at intervals, the radar sensor and the control panel are integrally arranged, and the control panel is in control connection with the radar sensor, the air pressure monitoring module and the two water immersion contact pieces; and the wireless signal transmitter is in signal transmission connection with the control panel. When the water level continuously rises to submerge the radar sensor, the two water immersion contact pieces make contact with water at the moment, circuit conduction of the two water immersion contact pieces is achieved, the air pressure monitoring module is used for monitoring the water level, and finally the obtained water level value information is sent to a related monitoring center through the wireless signal transmitter. Therefore, the water level value can be obtained in real time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of monitoring water level height especially relates to a water level monitoring device. BACKGROUND

[0002] The strong rainfall often can cause the phenomenon that the urban road low-lying place such as sunken overpass, underpass etc. appears a large amount of accumulated water, has brought the great inconvenience and the security hidden danger to the normal travel of resident, therefore through water level monitoring device for real-time monitoring the change situation of water level, and data transmission to relevant monitoring equipment or monitoring system.

[0003] Some water level monitoring devices in prior art in the process of using, if water level rise is too high, even still rises to the radar antenna of entire water level monitoring device, the radar antenna of this time cannot obtain the data of real-time water level value, leads to the data of water level monitoring system to appear blank or error information, and also cannot complete record the trend data of water level change. UTILITY MODEL CONTENT

[0004] In order to overcome the insufficient of prior art, the utility model embodiment provides a water level monitoring device.

[0005] The utility model solves its technical scheme adopts the technical scheme that:

[0006] A water level monitoring device, the water level monitoring device includes:

[0007] The shell body is formed with the installation cavity in the shell body;

[0008] The control panel is built into the installation cavity;

[0009] The monitoring assembly includes a radar sensor, a barometric pressure monitoring module and two water immersion contacts; the barometric pressure monitoring module is arranged at the bottom of the shell body, each water immersion contact is arranged at the bottom of the shell body, the radar sensor is integrally arranged with the control panel, and the control panel is connected with the radar sensor, the barometric pressure monitoring module and the two water immersion contacts.

[0010] The wireless signal transmitter is signal transmission connected with the control panel.

[0011] As a preferred technical scheme of the utility model, the bottom of the shell body is concave and has a first positioning cavity, and the barometric pressure monitoring module is detachably arranged in the first positioning cavity.

[0012] As a preferred technical scheme of the utility model, the water level monitoring device further includes an external signal transmitter, and the external signal transmitter is detachably arranged at the top of the shell body.

[0013] As a preferred technical scheme of the utility model, the top of the shell body is concave with a second positioning cavity; the external signal transmitter comprises an antenna base and an external antenna; the antenna base is detachably arranged in the second positioning cavity, the antenna base is provided with a connecting port for signal transmission connection with the control panel, and the signal connection end of the external antenna is inserted into the connecting port.

[0014] As a preferred technical scheme of the utility model, a plurality of locking holes are formed in the top of the shell body.

[0015] As a preferred technical scheme of the utility model, a power supply port is arranged on the top of the shell body, and the power supply port is electrically connected with the control panel.

[0016] As a preferred technical scheme of the utility model, the radar sensor comprises a radio frequency chip and a radar antenna, the radio frequency chip is integrally arranged with the control panel, and the radar antenna is arranged on the bottom of the shell body.

[0017] As a preferred technical scheme of the utility model, a positioning groove is concave on the top of the shell body.

[0018] As a preferred technical scheme of the utility model, the shell body comprises a seat body and a mounting cover; the mounting cover is detachably arranged on the top of the seat body; the mounting cavity is formed in the mounting cover; and the air pressure monitoring module and the two water immersion contacts are arranged on the bottom of the seat body.

[0019] As a preferred technical scheme of the utility model, a sealing ring is arranged between the mounting cover and the seat body.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] When the water level continuously rises to submerge the radar sensor, the two water immersion contacts are in contact with water at this time, so that the two water immersion contacts realize circuit conduction, the water level is monitored by the air pressure monitoring module, the obtained water level value information is sent to the relevant monitoring center through the wireless signal transmitter, and the effect of obtaining the water level value in real time is realized. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 is the overall structure diagram of the embodiment of the utility model.

[0024] Figure 2 is Figure 1 structure diagram of another perspective of

[0025] the reference numerals in the figure

[0026] 1, outer shell; 11, locking hole; 12, power supply port; 13, positioning groove; 14, seat body; 15, mounting cover;

[0027] 2, monitoring assembly; 21, radar antenna; 22, air pressure monitoring module; 23, water immersion contact;

[0028] 3, external signal transmitter. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical schemes and beneficial effects to be solved in the present application more clear and explicit, the present application will be further described in detail below in combination with the drawings and embodiments.

[0030] It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application.

[0031] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element.

[0032] When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0033] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0034] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features.

[0035] In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0036] In order to solve the technical problems in the prior art that when the water level rises to submerge the radar antenna of the entire water level monitoring device, real-time and accurate water level data cannot be obtained, resulting in blank or false information of the data provided by the water level monitoring system, and the trend data of the water level change cannot be recorded completely, embodiments of the present application provide a water level monitoring device.

[0037] The specific structure of the water level monitoring device provided by the embodiments of the present application will be described in detail below, according to the accompanying Figures 1-2 The specific structure of the water level monitoring device includes an outer shell 1, a control board, a monitoring assembly 2, and a wireless signal transmitter.

[0038] The outer shell 1 forms an installation cavity inside.

[0039] Specifically, since the water level monitoring device of the embodiments of the present application contains precise electronic components such as the control board, the monitoring assembly 2, and the wireless signal transmitter, the outer shell 1 is used to provide physical protection for such electronic components to prevent them from being easily damaged by external collisions. For example, in some environments that are prone to collisions (such as rivers, ports, tunnels, and pipelines, etc.), the outer shell 1 can avoid the internal components of the entire water level monitoring device from being damaged due to collisions with external objects or impacts from some floating objects, and the outer shell 1 can also prevent dust, dirt, and water vapor from entering the inside of the device, avoiding the electronic components from being short-circuited or corroded due to moisture and pollution, thereby prolonging the service life of the entire device.

[0040] The control board is built-in in the installation cavity. Specifically, different water level monitoring application scenarios often exist in complex and diverse environmental conditions, such as high temperature, low temperature, humidity, and salt fog, etc. Therefore, by building the control board in the installation cavity, it can be protected from the direct impact of the external harsh environment. For example, in a high-temperature environment, the outer shell 1 can use heat insulation materials or design a heat dissipation structure to reduce the transmission of external heat into the installation cavity, and the air circulation design in the installation cavity can also help the control board to dissipate heat, preventing the control board from performance degradation or component damage due to overheating; or for example, in a humid environment, the installation cavity can prevent water vapor from entering, avoiding the components on the control board from rusting and short-circuiting, and ensuring the normal operation of the control board.

[0041] According to Figure 2 As shown in the figure, the monitoring assembly 2 includes a radar sensor, an air pressure monitoring module 22, and two water immersion contacts 23; the air pressure monitoring module 22 is arranged at the bottom of the outer shell 1, each water immersion contact 23 is arranged at the bottom of the outer shell 1, the radar sensor is integrally arranged with the control board, and the control board is in control connection with the radar sensor, the air pressure monitoring module 22, and the two water immersion contacts 23.

[0042] Specifically, two water immersion contacts 23 are used to monitor whether the water level rises to submerge the radar sensor; for example, when the water level rises to submerge the radar sensor, because the water contains certain electrolytes, it can to some extent play the role of electric conduction, and thus can be used as a conductive medium. When the two water immersion contacts 23 are in a dry environment (i.e. the water level is lower than the radar sensor, and each water immersion contact 23 is not in contact with water), because of the lack of the conductive effect of water, an electric current path cannot be formed between the two water immersion contacts 23, and according to the principle of the circuit, at this time, it is in an open state, so that the current water level can be detected by the control panel to reach the position of the water immersion contact 23. When the water level continues to rise and the water completely submerges the radar sensor, at this time, the two water immersion contacts 23 are in contact with water, and the water as a conductive medium forms an electric current path between the two water immersion contacts 23, so that the two water immersion contacts 23 are in a conductive state, so that the control panel can confirm whether the water level reaches the position of the water immersion contact 23 by detecting the on or off state of the two water immersion contacts 23, and further determine the water level.

[0043] If the water level rises to completely submerge the radar sensor, the air pressure monitoring module 22 of the embodiment of the utility model can be used to monitor the water level value at this time; specifically, because the air pressure monitoring module 22 is at a certain depth underwater, at this time, the pressure p measured by the air pressure monitoring module 22 is always composed of two parts: one part is the atmospheric pressure p0, that is, the pressure generated by the atmosphere above the water surface, which is relatively stable within a certain area and time and can be obtained by meteorological data and the like; the other part is the pressure p generated by the water 水 , that is, the pressure determined by the water level height:

[0044] p total = p0+ p 水 ;

[0045] According to the above formula, p 水 = p 总 -p0, and because p 水 = pgh, so h = p 水 / pg = P 总 -p0 / p g . The total pressure p 总 measured by the air pressure monitoring module 22, the atmospheric pressure p0 (which can be obtained by pre-measurement or acquisition of local atmospheric pressure data), the density p of water and the acceleration of gravity g are known, and these values are substituted into the formula, h = P 总 -p0 / p g , so that the specific height h of the water level, that is, the water level value, can be calculated.

[0046] Therefore, the control board is used for being responsible for communication and data processing of each component, and is in control connection with the two water immersion contacts 23 and the air pressure monitoring module 22, and can receive the on / off state signal of the water immersion contact 23 and the atmospheric pressure data measured by the air pressure monitoring module 22 in real time. When the state of the water immersion contact 23 changes, the control board controls the air pressure monitoring module 22, and in combination with the above-mentioned embodiment, the water level value can be detected, that is, the real-time water level data to be monitored at this time can be obtained, so as to improve the accuracy of water level measurement. At the same time, the control board can also process the distance data measured by the radar sensor, and correct and analyze the data of the air pressure monitoring module 22, and finally obtain accurate water level information, so that the relevant monitoring departments can understand the water level situation in time.

[0047] The wireless signal transmitter is arranged in the outer shell 1, and the wireless signal transmitter is in signal transmission connection with the control board.

[0048] Specifically, the control board is used for being responsible for collecting and processing water level related data from each component such as the radar sensor and the air pressure monitoring module 22, and is in control connection with the wireless signal transmitter, so that the water level data processed by the control board can be sent to the relevant monitoring terminal in real time and quickly. For example, in the water level monitoring scene of rivers, reservoirs, ports, tunnels and pipelines, the control board can acquire the height of the water level, the change trend and other information in real time, and send such data to the remote monitoring center, the data server or the terminal equipment (such as a mobile phone, a computer, etc.) of the relevant staff through the wireless signal transmitter. In this way, the relevant personnel can understand the specific situation of the water level in time without going to the scene.

[0049] It can be understood that the wireless signal transmitter of the utility model embodiment is a 4G / 5G wireless communication module, a LoRa (Long Range) wireless module or an NB-IoT (Narrow Band Internet of Things) module, and the specific type is not limited here.

[0050] According to Figure 2 As shown in the figure, in some specific embodiments, the bottom of the outer shell 1 is concavely provided with a first positioning cavity, and the air pressure monitoring module 22 is detachably arranged in the first positioning cavity.

[0051] Specifically, by the first positioning cavity for the specified installation position of the air pressure monitoring module 22, due to the measurement accuracy of the air pressure monitoring module 22 may be affected by its installation position and direction, by placing it in a specific first positioning cavity, it can be ensured that the air pressure monitoring module 22 is in the right place, so that it can accurately measure the air pressure value of the surrounding environment. Since the shape and size of the first positioning cavity match the air pressure monitoring module 22, the air pressure monitoring module 22 can be fixed to prevent displacement or loosening of the air pressure monitoring module 22 due to external factors such as vibration, impact and the like.

[0052] The air pressure monitoring module 22 can be detachably arranged in the first positioning cavity by buckle connection or fixed by screws, bolts and the like.

[0053] It should be understood that the control connection mode of the control board and the air pressure monitoring module 22 of the embodiment of the utility model includes direct pin connection or connection through a wire, and the specific connection mode is not limited here.

[0054] According to Figure 1 As shown in the figure, in some specific embodiments, the water level monitoring device further comprises an external signal transmitter 3, which is detachably arranged on the top of the outer shell 1.

[0055] Specifically, in some environments where signals are easily blocked or interfered, such as mountainous areas, urban areas with high-rise buildings, etc., by arranging the external signal transmitter 3 on the top of the outer shell 1, it is used to obtain stronger signals, that is, to enhance the receiving and sending ability of the signal, improve the stability and reliability of data transmission, and avoid the situation that data loss or transmission interruption is caused by weak signal.

[0056] Specifically, the top of the outer shell 1 is recessed with a second positioning cavity; the external signal transmitter 3 comprises an antenna base (not shown in the figure) and an external antenna (not shown in the figure); the antenna base is detachably arranged in the second positioning cavity, and the antenna base is provided with a connection port for control board signal transmission connection, and the signal connection end of the external antenna is inserted into the connection port.

[0057] Specifically, the connecting port arranged on the antenna base is used for signal transmission connection with the control panel, and common connection modes include wired connection (such as through a flat cable, a serial port line, etc.), the antenna base is internally integrated with a signal processing circuit, which can be used for processing water level monitoring data electrical signals received from the control panel, for example, the processing process includes signal amplification, modulation and the like, so as to enhance the strength of the signals, so as to be able to more effectively perform long-distance transmission. The signal connection end of the external antenna is inserted into the connecting port of the antenna base, realizing the channel of physical connection and signal transmission, and the connecting port transmits the processed radio frequency signals to the external antenna. The external antenna (such as the type, frequency range, gain, etc. of the antenna) converts the received electrical signals into electromagnetic waves.

[0058] It can be understood that the external antenna of the embodiment of the utility model is an omnidirectional antenna or a directional antenna, and different types of external antennas have different radiation characteristics; for example, an omnidirectional antenna can uniformly radiate electromagnetic waves in all directions, while a directional antenna can concentrate electromagnetic waves to a specific direction, so as to improve the transmission efficiency and coverage range of signals.

[0059] In the foregoing embodiment, the antenna base is detachably arranged in the second positioning cavity by buckle connection or fixing by means of screws, bolts or the like, and the specific connection mode is not limited herein.

[0060] According to Figure 1 As shown in the figure, in some specific embodiments, a plurality of locking holes 11 are arranged on the top of the shell body 1.

[0061] Specifically, in order to assemble the water level monitoring device into different environments, such as a dam on the river bank, a dam in the reservoir, a city drainage pipeline, etc., therefore, the locking holes 11 on the top of the shell body 1 can be used for cooperation with the mounting bracket or the fixing base, and the whole water level monitoring device is fixed at the specified position of the mounting bracket or the fixing base by the locking member.

[0062] It can be understood that the locking hole 11 in the foregoing embodiment is a first screw hole, and the locking member is a bolt; a second screw hole is arranged on the mounting bracket or the fixing base, when the first screw hole of the shell body 1 and the second screw hole of the mounting bracket or the fixing base are in communication, the bolt is inserted into the first screw hole and the second screw hole at the same time, so that the shell body 1 can be fixed on the mounting bracket or the fixing base, thereby improving the stability of the whole water level monitoring device.

[0063] According to Figure 1 As shown in the figure, in some specific embodiments, a power supply port 12 is arranged on the top of the shell body 1, and the power supply port 12 is electrically connected with the control panel.

[0064] Specifically, the power supply port 12 is used to connect an external power supply to the connection port of the water level monitoring device. When using alternating current (AC) power, an AC voltage can be converted into a direct current (DC) voltage suitable for use inside the device through a power adapter. It can be understood that the power supply port 12 is composed of a group of pins or interfaces, for example, the pins are connected to the power management circuit on the control board through wires or printed circuit board (PCB) lines, and the wires or PCB lines play a role in transmitting electric energy, ensuring that electric energy can be transmitted from the power supply port 12 to the control board to provide stable and reliable electric energy for other components, ensuring that they can operate normally.

[0065] In some specific embodiments, the radar sensor includes a radio frequency chip (not shown in the figure) and a radar antenna 21, and the radio frequency chip is integrally arranged with the control board, and the radar antenna 21 is arranged at the bottom of the outer shell.

[0066] Specifically, the radio frequency chip generates high-frequency electromagnetic waves (microwaves) of a specific frequency, generally in the range of several gigahertz (GHz) to several tens of gigahertz, such as 24 GHz or 77 GHz, and the radar antenna 21 amplifies the signal. The electromagnetic wave propagates in air at the speed of light, and the electromagnetic wave emitted is reflected after encountering the water surface. At this time, part of the electromagnetic wave is reflected back after passing through the water surface, and the received target reflection backwave signal can be amplified by a low noise amplifier (LNA) in the radio frequency chip to further improve the strength of the signal, facilitating subsequent processing. Then, the amplified signal is transmitted to the mixer, and the mixer mixes the received backwave signal with the reference signal generated by the transmission module to obtain an intermediate frequency signal (IF signal). The frequency of the intermediate frequency signal is related to the distance from the target object (water surface) to the radar sensor, so the distance information can be calculated by analyzing the frequency of the intermediate frequency signal.

[0067] It should be noted that when installing the water level monitoring device, the radar sensor is known relative to a fixed height value, such as the height of the radar sensor relative to the ground. When the distance from the radar sensor to the water surface is calculated, the fixed height value is subtracted from the distance from the radar sensor to the water surface to obtain the water level height.

[0068] According to Figure 1 As shown in FIG. 1, in some specific embodiments, the top of the outer shell 1 is recessed with a positioning groove 13.

[0069] Specifically, in order to more accurately assemble the outer shell 1 to the designated position of the mounting bracket or the fixing base, thus by extending the positioning column or the positioning part of the mounting bracket or the fixing base into the positioning groove 13 of the outer shell 1, the installer can quickly find the correct installation position during installation without complicated measurement and adjustment, greatly simplifying the installation process and improving the installation efficiency, and the first screw hole of the outer shell 1 and the second screw hole of the mounting bracket or the fixing base can be correspondingly communicated.

[0070] According to Figure 1 As shown in the drawings, in some specific embodiments, the outer shell 1 comprises a seat body 14 and a mounting cover 15; the mounting cover 15 is detachably arranged on the top of the seat body 14; a mounting cavity is formed in the mounting cover 15; the air pressure monitoring module 22 and the two water immersion contacts 23 are arranged on the bottom of the seat body 14.

[0071] Specifically, when some internal components need to be maintained or repaired, the mounting cover 15 can be disassembled so that the internal components can be viewed by the maintenance personnel and replaced, or the circuit can be checked and repaired, which can further improve the convenience and efficiency of maintenance and reduce the maintenance time and cost. For example, when the control panel fails, the maintenance personnel disassembles and removes the mounting cover 15 to disassemble and replace the control panel.

[0072] The mounting cover 15 can be detachably arranged on the top of the seat body 14 by means of buckle connection or locking by screws, bolts and the like, and the specific mode is not limited herein.

[0073] In further embodiments, a sealing ring (not shown in the drawings) is arranged between the mounting cover 15 and the seat body 14.

[0074] Specifically, in some humid environments, the sealing ring can effectively prevent external moisture from entering the interior of the device. When the mounting cover 15 is tightly connected with the seat body 14, the sealing ring is extruded and deformed to fill the small gap between the two, forming a reliable waterproof barrier. It can be understood that the side opposite to the mounting cover 15 and the seat body 14 is formed with a containing groove for accommodating the sealing ring, and the seat body 14 is provided with a protrusion for extruding the sealing ring.

[0075] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A water level monitoring device, characterized in that, The water level monitoring device includes: An outer casing, wherein a mounting cavity is formed within the outer casing; A control board, which is built into the mounting cavity; The monitoring component includes a radar sensor, a barometric pressure monitoring module, and two water immersion contacts. The barometric pressure monitoring module is located at the bottom of the housing, and the water immersion contacts are spaced apart at the bottom of the housing. The radar sensor is integrated with the control board, and the control board is controllably connected to the radar sensor, the barometric pressure monitoring module, and the two water immersion contacts. A wireless signal transmitter is connected to the control board for signal transmission.

2. The water level monitoring device according to claim 1, characterized in that, The bottom of the outer casing is recessed into a first positioning cavity, and the air pressure monitoring module is detachably installed in the first positioning cavity.

3. The water level monitoring device according to claim 1, characterized in that, The water level monitoring device also includes an external signal transmitter, which is detachably mounted on the top of the housing.

4. The water level monitoring device according to claim 3, characterized in that, The top of the outer casing is recessed into a second positioning cavity; the external signal transmitter includes an antenna base and an external antenna; the antenna base is detachably disposed in the second positioning cavity, and the antenna base is provided with a connection port for signal transmission connection with the control board, and the signal connection end of the external antenna is inserted into the connection port.

5. The water level monitoring device according to claim 1, characterized in that, The top of the outer casing has multiple locking holes.

6. The water level monitoring device according to claim 1, characterized in that, A power supply port is provided on the top of the outer casing, and the power supply port is electrically connected to the control board.

7. The water level monitoring device according to claim 1, characterized in that, The radar sensor includes a radio frequency chip and a radar antenna. The radio frequency chip is integrated with the control board, and the radar antenna is located at the bottom of the housing.

8. The water level monitoring device according to claim 1, characterized in that, The top of the outer casing is recessed with a positioning groove.

9. The water level monitoring device according to any one of claims 1-8, characterized in that, The outer casing includes a base and a mounting cover; the mounting cover is detachably disposed on the top of the base; the mounting cavity is formed within the mounting cover; the air pressure monitoring module and two water immersion contacts are both disposed on the bottom of the base.

10. The water level monitoring device according to claim 9, characterized in that, A sealing ring is provided between the mounting cover and the base.

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