Monitoring liquid level instrument

Abstract

The utility model relates to the technical field of liquid level instruments, and provides a monitoring liquid level instrument which comprises a liquid level instrument body. A radar module, a piezoelectric detection module and a transceiving processing module are arranged in the liquid level instrument body; the radar module can emit detection sound waves to the external environment and receive reflection sound waves returned from the external environment. The piezoelectric detection module is used for detecting real-time air pressure of an external environment; the transmit-receive processing module is electrically connected with the radar module and the piezoelectric detection module and can receive and process detection information of the radar module and the piezoelectric detection module and transmit the detection information to external equipment. The liquid level monitoring instrument has the advantages of being simple in structure, diverse in detection function and capable of feeding detection results back to external equipment in time.

Description

Technical Field

[0001] The present disclosure relates to the technical field of liquid level meters, and in particular to a monitoring liquid level meter. Background Art

[0002] A liquid level meter is an instrument that uses electronic or other technologies to detect the flow rate and velocity of liquid surfaces. It is suitable for a variety of environmental monitoring, including but not limited to groundwater monitoring, double-walled oil tank interlayer monitoring, pressure pipeline leak detection, and fuel dispenser chassis monitoring.

[0003] The liquid level meter in the prior art specifically includes various types of structures, such as electronic instrument type and mechanical instrument type. The more common electronic instrument type is the magnetic telescopic liquid level meter; the more common mechanical instrument type is the optical liquid level meter. The internal structure of the liquid level meter in the prior art is basically relatively complex, and the detection function of the liquid level is relatively single, which is difficult to meet the current detection needs of information digital integration.

[0004] Therefore, there is an urgent need for a liquid level meter with a new structure on the market to solve the problems of relatively complex structure and relatively single detection function of the liquid level meter in the prior art. Utility Model Content

[0005] The disclosed embodiment provides a liquid level monitoring instrument to solve the problems of relatively complex structure and single detection function in the prior art liquid level instruments.

[0006] The monitoring liquid level meter provided in the embodiment of the present disclosure includes a liquid level meter body;

[0007] The liquid level meter body is provided with a radar module, a piezoelectric detection module and a transceiver processing module;

[0008] The radar module is capable of transmitting detection sound waves to the external environment and receiving reflected sound waves returned from the external environment;

[0009] The piezoelectric detection module is used to detect the real-time air pressure of the external environment;

[0010] The transceiver processing module is electrically connected to the radar module and the piezoelectric detection module respectively, and can receive and process the detection information of the two respectively, and transmit and send it to an external device.

[0011] In one possible implementation manner, the radar module includes a radar lens, a radar mainboard and a radar transmission cover;

[0012] The radar lens is arranged on a side wall of the liquid level meter body;

[0013] The radar main board is arranged inside the liquid level meter body and corresponds to the radar lens;

[0014] The radar transmitting cover is arranged outside the liquid level meter body and corresponds to the radar lens;

[0015] The detection sound waves emitted by the radar mainboard can be converged by the radar lens, transmitted through the radar transmitting cover, and finally reflected and projected onto the liquid level surface to be measured.

[0016] In one possible implementation manner, the radar transmission cover includes a mounting portion and a reflecting portion connected in sequence;

[0017] The mounting portion is correspondingly connected to the top side of the liquid level meter body;

[0018] The reflecting portion is configured to be in an arc-shaped plate shape that is bent toward the radar lens.

[0019] In one possible implementation, the piezoelectric detection module includes a pressure circuit board and an absolute pressure core;

[0020] The pressure circuit board is arranged inside the liquid level meter body;

[0021] The absolute pressure core is provided with the pressure circuit board and is electrically connected with the pressure circuit board.

[0022] In one possible implementation, the transceiver processing module includes an antenna transceiver and a Bluetooth light;

[0023] The antenna transceiver and the Bluetooth lamp are electrically connected to the electric control hub in the liquid level meter body respectively.

[0024] In one possible implementation manner, a level bubble for displaying the installation level of the liquid level meter body is further provided on the top side of the liquid level meter body.

[0025] In one possible implementation manner, a signal light and a navigation plug are also provided on the top side of the liquid level meter body.

[0026] In one possible implementation manner, two ends of the radar lens are respectively embedded in a side wall of the liquid level meter body through a sealing ring.

[0027] In one possible implementation manner, the liquid level meter body further includes a mounting and fixing bracket;

[0028] The mounting and fixing bracket is arranged on a side of the liquid level meter body facing away from the radar lens, and is used for mounting and fixing the liquid level meter body.

[0029] In one possible implementation manner, the mounting and fixing bracket is provided with mounting sliding grooves in the horizontal direction and the vertical direction respectively;

[0030] The installation slide groove is provided with a slidably adjustable fastening screw.

[0031] Compared with the prior art, the technical solution provided by the embodiments of the present disclosure has the following advantages:

[0032] When the monitoring liquid level meter provided by the embodiment of the present disclosure is used, after the liquid level meter body is installed in the detection station, the radar module can emit detection sound waves to the water level to be measured, and the detection sound waves will be received by the radar module after being reflected by the water level. The radar module can calculate the distance between the detection station and the water level to be measured according to the time difference, so as to obtain the actual height information of the water level to be measured. The radar module has a simple structure, sensitive detection and high efficiency. In addition, the piezoelectric detection module can also detect the real-time air pressure of the environment to be measured in real time, and the transceiver processing module is also electrically connected to the radar module 11 and the piezoelectric detection module respectively, so that the transceiver processing module can timely transmit the height information of the water level to be measured and the air pressure information of the water level environment to be measured to the external device, so that the observer can statistically process the corresponding information. The monitoring liquid level meter has the beneficial effects of simple structure, diverse detection functions, and the ability to feed back the detection results to the external device in a timely manner.

[0033] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will become readily understood by reading the detailed description below with reference to the accompanying drawings. In the accompanying drawings, several embodiments of the present disclosure are shown in an exemplary and non-limiting manner, in which:

[0035] In the drawings, the same or corresponding reference numerals represent the same or corresponding parts.

[0036] Figure 1 A three-dimensional schematic diagram of a liquid level monitoring instrument provided by an embodiment of the present disclosure is shown;

[0037] Figure 2 A top view of a liquid level monitoring instrument provided by an embodiment of the present disclosure is shown;

[0038] Figure 3 A vertical cross-sectional view of a liquid level monitoring instrument provided by an embodiment of the present disclosure is shown.

[0039] Explanation of the numbers in the figure: 1. Liquid level meter body; 11. Radar module; 111. Radar lens; 112. Radar main board; 113. Radar transmitting cover; 113a. Mounting part; 113b. Reflection part; 12. Piezoelectric detection module; 121. Pressure circuit board; 122. Absolute pressure core; 13. Transceiver processing module; 131. Antenna transceiver; 132. Bluetooth light; 14. Level bubble; 15. Signal light; 16. Aviation plug; 17. Mounting bracket; 171. Mounting slide; 172. Fastening screws. DETAILED DESCRIPTION

[0040] In order to make the purpose, features, and advantages of the present disclosure more obvious and easy to understand, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present disclosure.

[0041] The embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

[0042] Combination Figure 1 and Figure 3 As shown, an embodiment of the present disclosure provides a liquid level monitoring instrument, which includes a liquid level instrument body 1; a radar module 11, a piezoelectric detection module 12 and a transceiver processing module 13 are arranged inside the liquid level instrument body 1; the radar module 11 can transmit detection sound waves to the external environment, and receive reflected sound waves returned from the external environment; the piezoelectric detection module 12 is used to detect the real-time air pressure of the external environment; the transceiver processing module 13 is electrically connected to the radar module 11 and the piezoelectric detection module 12 respectively, and can respectively receive and process the detection information of the two, and transmit and send it to an external device.

[0043] The monitoring liquid level meter can be specifically but not limited to being used for water level monitoring in a drainage system, and this example is used to illustrate the working process of use.

[0044] When the liquid level monitoring instrument is used, after the liquid level instrument body 1 is installed at the detection station, the radar module 11 can emit detection sound waves to the water level to be measured, and the detection sound waves will be received by the radar module 11 after being reflected by the water level. The radar module 11 can calculate the distance between the detection station and the water level to be measured according to the time difference, thereby obtaining the actual height information of the water level to be measured. The radar module 11 has a simple structure, sensitive detection and high efficiency.

[0045] In addition, the piezoelectric detection module 12 can also detect the real-time air pressure of the environment to be tested in real time, and the transceiver processing module 13 is also electrically connected to the radar module 11 and the piezoelectric detection module 12 respectively, so that the transceiver processing module 13 can transmit the height information of the water level to be tested and the air pressure information of the water level environment to be tested to the external device in a timely manner, so that the observer can count and process the corresponding information.

[0046] In summary, the liquid level monitoring instrument provided by the embodiment of the present disclosure has the beneficial effects of simple structure, diverse detection functions, and the ability to feed back detection results to external devices in a timely manner.

[0047] In one embodiment, the radar module 11 includes a radar lens 111, a radar main board 112 and a radar transmitting cover 113; the radar lens 111 is arranged on a side wall of the liquid level meter body 1; the radar main board 112 is arranged inside the liquid level meter body 1 and corresponds to the radar lens 111; the radar transmitting cover 113 is arranged outside the liquid level meter body 1 and corresponds to the radar lens 111; wherein the detection sound waves emitted by the radar main board 112 can be converged by the radar lens 111, transmitted through the radar transmitting cover 113, and finally reflected and projected onto the liquid level surface to be measured.

[0048] Specific, combined Figure 3 To further explain in detail, the radar module 11 is specifically formed into a radar lens 111, a radar main board 112 and a radar transmitting cover 113, and the radar lens 111 is arranged on a side wall of the liquid level meter body 1, and the radar main board 112 corresponds to the radar lens 11 and is arranged inside the liquid level meter body 1, so that the detection sound waves emitted by the radar main board 112 can be concentrated and emitted outward by the radar lens 11, and the radar transmitting cover 113 can also reflect and direct the detection sound waves, so that the detection sound waves can be projected in the opposite direction to the liquid level surface to be measured, thereby improving the intensity and detection sensitivity of the detection sound waves of the radar module 11.

[0049] The specific configuration of the radar module 11 has the beneficial effects of simple structure, ability to increase the intensity of detected sound waves, and increase detection sensitivity.

[0050] In one embodiment, the radar transmitting cover 113 includes a mounting portion 113a and a reflecting portion 113b connected in sequence; the mounting portion 113a is correspondingly connected to the top side of the liquid level meter body 1; and the reflecting portion 113b is configured to be an arc-shaped plate bent toward the radar lens 111 .

[0051] Specific, combined Figure 3To further explain in detail, the radar transmitting cover 113 is specifically formed into a mounting portion 113a and a reflecting portion 113b which are connected in sequence, and the mounting portion 113a is correspondingly connected to the top side of the liquid level meter body 1, and can be specifically arranged to be fixedly installed by screw connection, and the reflecting portion 113b is arranged to be an arc-shaped plate bent toward the radar lens 111, and the arc circle can be consistent with the center of the focal circle of the radar lens 111, so that after the detection sound wave is reflected by the water level surface, the divergent reflected sound wave will be converged by the radar transmitting cover 113 and reflected back to the radar lens 111 and the radar main board 112, thereby further significantly improving the detection sensitivity of the radar module 11.

[0052] The specific configuration of the radar transmission cover 113 has the beneficial effects of simple structure and being able to further improve the detection sensitivity of the radar module 11 .

[0053] In one embodiment, the piezoelectric detection module 12 includes a pressure circuit board 121 and an absolute pressure core 122 ; the pressure circuit board 121 is disposed inside the liquid level meter body 1 ; the absolute pressure core 122 is provided with the pressure circuit board 121 and is electrically connected to the pressure circuit board 121 .

[0054] Specific, combined Figure 3 To further explain in detail, the piezoelectric detection module 12 is specifically configured as a pressure circuit board 121 and an absolute pressure core 122; the pressure circuit board 121 can be specifically arranged at the bottom wall inside the liquid level meter body 1; the absolute pressure core 122 is provided with the pressure circuit board 121 and is electrically connected to the pressure circuit board 121, so that when the external air pressure changes, the self-resistance of the absolute pressure core 122 will change accordingly, and the pressure circuit board 121 can detect the actual situation of the external air pressure change accordingly.

[0055] The specific configuration of the piezoelectric detection module 12 has the beneficial effects of simple structure and the ability to sensitively detect changes in external air pressure.

[0056] In one possible implementation, the transceiver processing module 13 includes an antenna transceiver 131 and a Bluetooth light 132 ; the antenna transceiver 131 and the Bluetooth light 132 are electrically connected to the electric control hub in the liquid level meter body 1 , respectively.

[0057] Specific, combined Figure 2 To further explain in detail, the transceiver processing module 13 is specifically configured as an antenna transceiver 131 and a Bluetooth light 132, wherein the antenna transceiver 131 can upload the detection information to the cloud device for collection and processing, and the Bluetooth light 132 can be connected to the mobile device configured by the operator of the liquid level meter accessory through Bluetooth to realize the Bluetooth transmission connection for collecting data.

[0058] The specific configuration of the transceiver processing module 13 has a simple structure and can perform transmission connection of collected data in at least two different ways.

[0059] In one embodiment, a level bubble 14 for displaying the installation level of the liquid level meter body 1 is further provided on the top side of the liquid level meter body 1 .

[0060] Specific, combined Figure 2 To further explain in detail, a level bubble 14 for displaying the installation level of the liquid level meter body 1 is also provided on the top side of the liquid level meter body 1, so that when the monitoring liquid level meter is installed, the level bubble 14 can display the installation level of the liquid level meter body 1 in real time to ensure the correct installation posture of the monitoring liquid level meter. Moreover, after the monitoring liquid level meter has been used for a long time, the level bubble 14 can also display the level of the liquid level meter body 1 after long-term use, so as to facilitate maintenance personnel to level and reset the liquid level meter body 1.

[0061] In one embodiment, a signal light 15 and a navigation plug 16 are further provided on the top side of the liquid level meter body 1 .

[0062] Specific, combined Figure 2 To further explain in detail, a signal light 15 is also provided on the top side of the liquid level meter body 1, and the signal light 15 can directly display the setting position and working status of the monitoring liquid level meter, so as to facilitate the operator to find; the navigation plug 9 can connect external equipment, so as to expand the function of the overall structure.

[0063] In one possible implementation manner, both ends of the radar lens 111 are respectively embedded in a side wall of the liquid level meter body 1 through a sealing ring.

[0064] The two ends of the radar lens 111 are respectively embedded in a side wall of the liquid level meter body 1 through a sealing ring, so that the waterproof sealing performance of the installation place of the radar lens 111 can be ensured, and moisture and water vapor can be effectively prevented from entering the interior of the liquid level meter body 1.

[0065] In one possible implementation manner, the liquid level meter body 1 further includes a mounting and fixing bracket 17 ; the mounting and fixing bracket 17 is disposed on a side of the liquid level meter body 1 facing away from the radar lens 111 , and is used to mount and fix the liquid level meter body 1 .

[0066] Specific, combined Figure 1 To further explain in detail, the installation fixing bracket 17 can be assembled with the installation station by means of screw installation, snap-on installation, welding installation, etc., and one side of the installation fixing bracket 17 can be integrally connected with the outer shell wall of the liquid level meter body 1; the installation fixing bracket 17 and the outer shell wall of the liquid level meter body 1 can also be arranged to be detachably connected, etc., so as to facilitate the replacement of the installation fixing bracket 17 during later maintenance.

[0067] In one embodiment, the mounting bracket 17 is provided with mounting slots 171 in the horizontal direction and the vertical direction respectively; and the mounting slots 171 are provided with slidably adjustable fastening screws 172 .

[0068] Specific, combined Figure 1 To further explain in detail, an installation groove 171 is opened in the installation and fixing bracket 17 along the horizontal direction and the vertical direction respectively, and a slidably adjustable fastening screw 172 is provided in the installation groove 171, so that when an assembly error occurs directly between the installation and fixing bracket 17 and the installation station, the fastening screw 172 can slide horizontally or longitudinally in the installation groove 171, thereby adjusting the relative position of the fastening screw 172 and the installation station.

[0069] The specific arrangement of the above-mentioned mounting and fixing bracket 17 has the beneficial effects of being simple in structure and being able to compensate for the mounting error between the adjustment station and the station to be installed.

[0070] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present disclosure, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0071] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A liquid level monitoring instrument, characterized in that: It comprises a liquid level meter body (1); The liquid level meter body (1) is provided with a radar module (11), a piezoelectric detection module (12) and a transceiver processing module (13) inside; The radar module (11) is capable of transmitting detection sound waves to the external environment and receiving reflected sound waves returned from the external environment; The piezoelectric detection module (12) is used to detect the real-time air pressure of the external environment; The transceiver processing module (13) is electrically connected to the radar module (11) and the piezoelectric detection module (12) respectively, and is capable of receiving and processing the detection information of the two respectively, and transmitting and sending it to an external device.

2. The liquid level monitoring instrument according to claim 1, characterized in that: The radar module (11) comprises: A radar lens (111) is arranged on a side wall of the liquid level meter body (1); A radar main board (112) is arranged inside the liquid level meter body (1) and corresponds to the radar lens (111); A radar transmitting cover (113) is arranged outside the liquid level meter body (1) and corresponds to the radar lens (111); The detection sound waves emitted by the radar main board (112) can be converged by the radar lens (111), transmitted through the radar transmitting cover (113), and finally reflected and projected onto the liquid level surface to be measured.

3. The liquid level monitoring instrument according to claim 2, characterized in that: The radar transmission cover (113) comprises a mounting portion (113a) and a reflecting portion (113b) which are connected in sequence; The mounting portion (113a) is correspondingly connected to the top side of the liquid level meter body (1); The reflecting portion (113b) is configured to be in the shape of an arc plate that is bent toward the radar lens (111).

4. The liquid level monitoring instrument according to claim 1, characterized in that: The piezoelectric detection module (12) comprises: A pressure circuit board (121) is arranged inside the liquid level meter body (1); The absolute pressure core (122) is provided with the pressure circuit board (121) and is electrically connected to the pressure circuit board (121).

5. The liquid level monitoring instrument according to claim 1, characterized in that: The transceiver processing module (13) comprises an antenna transceiver (131) and a Bluetooth lamp (132); The antenna transceiver (131) and the Bluetooth lamp (132) are respectively electrically connected to the electric control hub in the liquid level meter body (1).

6. The liquid level monitoring instrument according to claim 1, characterized in that: A level bubble (14) for displaying the installation level of the liquid level meter body (1) is also provided on the top side of the liquid level meter body (1).

7. The liquid level monitoring instrument according to claim 1, characterized in that: A signal light (15) and a navigation plug (16) are also provided on the top side of the liquid level meter body (1).

8. The liquid level monitoring instrument according to claim 2, characterized in that: Both ends of the radar lens (111) are respectively embedded in a side wall of the liquid level meter body (1) through a sealing ring.

9. The liquid level monitoring instrument according to claim 2, characterized in that: The liquid level meter body (1) also includes a mounting and fixing bracket (17); The mounting and fixing bracket (17) is arranged on a side of the liquid level meter body (1) facing away from the radar lens (111) and is used for mounting and fixing the liquid level meter body (1).

10. The liquid level monitoring instrument according to claim 9, characterized in that: The mounting and fixing bracket (17) is provided with mounting sliding grooves (171) in the horizontal direction and the vertical direction respectively; The installation sliding groove (171) is provided with a slidably adjustable fastening screw (172).

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