Ultrasonic liquid level distance measuring system based on Internet of Things

Abstract

The utility model relates to the technical field of ultrasonic ranging equipment, and discloses an internet-of-things ultrasonic liquid level ranging system which comprises a blind area liquid level trigger switch, an internet-of-things terminal, an ultrasonic ranging module, a cloud platform and a client. The blind area liquid level trigger switch is used for being in contact with fluid in the container to output a fluid low-level signal; the Internet of Things terminal is electrically connected with the blind area liquid level trigger switch and the ultrasonic ranging module and used for receiving the fluid low-level signal to stop collecting ultrasonic ranging data of the ultrasonic ranging module and outputting a fluid full-gathering signal. The trigger position of the blind area liquid level trigger switch is lower than the position of the ultrasonic ranging module. According to the ultrasonic liquid level distance measuring system of the internet of things, the ultrasonic high-resolution measuring technology is innovatively adopted, the physical verification mechanism of the blind area liquid level trigger switch is combined, the problem that data of ultrasonic measurement in a blind area and when the ultrasonic measurement exceeds the range is effectively solved, and accuracy and reliability of liquid level monitoring are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic distance measuring equipment, in particular to an Internet of Things ultrasonic liquid level distance measuring system. Background Art

[0002] In industries such as chemical, petroleum, water treatment, and agriculture, accurately monitoring fluid levels within containers is crucial for ensuring production safety and optimizing resource utilization. Traditional level monitoring methods suffer from insufficient accuracy and susceptibility to environmental interference. Ultrasonic ranging technology, however, is widely used due to its non-contact nature and wide measurement range. However, ultrasonic measurement has a blind spot near the top of the container, and over-range measurements when the container is full can easily lead to data distortion, compromising monitoring accuracy. Utility Model Content

[0003] The purpose of the utility model is to overcome the problems of the prior art and provide an Internet of Things ultrasonic liquid level ranging system.

[0004] In order to achieve the above purpose, the present invention adopts the following scheme:

[0005] An Internet of Things ultrasonic liquid level ranging system, comprising:

[0006] Blind zone liquid level trigger switch, used to contact with the fluid in the container to output a fluid low-level signal;

[0007] An Internet of Things terminal and an ultrasonic ranging module; the Internet of Things terminal is electrically connected to the blind spot liquid level trigger switch and the ultrasonic ranging module, respectively, and is used to receive the fluid low-level signal to stop collecting ultrasonic ranging data of the ultrasonic ranging module;

[0008] Cloud platform, client; the Internet of Things terminal is connected to the client through the cloud platform;

[0009] The trigger position of the blind spot liquid level trigger switch is lower than the position of the ultrasonic ranging module.

[0010] Furthermore, the blind spot liquid level trigger switch includes a float switch, an internal logic processing module and a switch quantity interface; the float switch is electrically connected to the internal logic processing module; the internal logic processing module is electrically connected to the Internet of Things terminal through the switch quantity interface; the trigger position of the float switch is lower than the position of the ultrasonic ranging module.

[0011] Furthermore, the client is a mobile communication device and / or a PC.

[0012] Furthermore, the ultrasonic ranging module is an ultrasonic sensor.

[0013] Furthermore, the Internet of Things terminal includes an Internet of Things communication module; the Internet of Things communication module is an NB-IoT communication module, a Wifi communication module, a LoRa communication module, or a 4G / 5G communication module.

[0014] Furthermore, the Internet of Things ultrasonic liquid level ranging system also includes a button and a display screen that are electrically connected to the blind spot liquid level trigger switch and the Internet of Things terminal.

[0015] Furthermore, the Internet of Things terminal is arranged in an installation box installed on the top of the container; the blind spot liquid level trigger switch and the ultrasonic ranging module are both located on the bottom of the installation box and are installed on the top of the container.

[0016] Compared with the existing technology, the utility model has the following advantages:

[0017] The utility model combines a blind spot liquid level trigger switch, an Internet of Things terminal, an ultrasonic ranging module, a cloud platform and a client. When the fluid in the container touches the trigger position of the blind spot liquid level trigger switch, the blind spot liquid level trigger switch outputs a fluid low-level signal and feeds back to the Internet of Things terminal. When the Internet of Things terminal receives the fluid low-level signal, it immediately stops collecting the ultrasonic ranging data of the ultrasonic ranging module, that is, the fluid in the container is in a full state at this time, and the container fluid is full signal is output; when the fluid in the container does not touch the trigger position of the blind spot liquid level trigger switch, the blind spot liquid level trigger switch does not receive the fluid low-level signal and feeds back to the Internet of Things terminal. When the Internet of Things terminal does not receive the fluid low-level signal, it collects the ultrasonic ranging data of the ultrasonic ranging module. The ultrasonic ranging data of the block is converted into fluid level information through a preset algorithm, and the container fluid level signal is output in real time. Then the Internet of Things terminal transmits the container fluid full signal or the container fluid level signal to the client through the cloud platform to realize remote monitoring and data analysis. With this design, the present application innovatively adopts ultrasonic high-resolution measurement technology, combined with the physical verification mechanism of the blind spot liquid level trigger switch, effectively solves the data distortion problem of ultrasonic measurement in blind spots and over-range, and improves the accuracy and reliability of liquid level monitoring; at the same time, it takes into account the automation and intelligence of the system, realizes real-time data collection, processing and remote transmission through the Internet of Things technology, and provides users with a convenient and efficient liquid level monitoring solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present application will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a structural diagram of the Internet of Things ultrasonic liquid level ranging system of the present utility model.

[0020] Figure 2This is a flowchart of the electrical connections between the various structures of the Internet of Things ultrasonic liquid level ranging system of the present invention.

[0021] The diagram includes:

[0022] Blind spot liquid level trigger switch 1, float switch 11, internal logic processing module 12, switch quantity interface 13, Internet of Things terminal 2, Internet of Things communication module 21, ultrasonic ranging module 3, cloud platform 4, client 5, button 6, display screen 7. DETAILED DESCRIPTION

[0023] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] like Figures 1 to 2 As shown, an Internet of Things ultrasonic liquid level measurement system includes a blind spot liquid level trigger switch 1, an Internet of Things terminal 2, an ultrasonic ranging module 3, a cloud platform 4 and a client 5. The blind spot liquid level trigger switch 1 is used to contact the fluid in the container to output a low-level fluid signal; the Internet of Things terminal 2 is electrically connected to the blind spot liquid level trigger switch 1 and the ultrasonic ranging module 3, respectively, and is used to receive the low-level fluid signal to stop collecting the ultrasonic ranging data of the ultrasonic ranging module 3; preferably, the ultrasonic ranging module 3 is an ultrasonic sensor. The Internet of Things terminal 2 is connected to the client 5 through the cloud platform 4. The client 5 can also be called a user end, and the names are different. It is mainly a mobile communication device and / or a PC end, and a mobile communication device is such as a mobile phone.

[0025] The Internet of Things ultrasonic liquid level measurement system is combined by setting a blind spot liquid level trigger switch 1, an Internet of Things terminal 2, an ultrasonic ranging module 3, a cloud platform 4 and a client 5. When the fluid in the container touches the trigger position of the blind spot liquid level trigger switch 1, the blind spot liquid level trigger switch 1 outputs a fluid low-level signal and feeds back to the Internet of Things terminal 2. When the Internet of Things terminal 2 receives the fluid low-level signal, it immediately stops collecting the ultrasonic ranging data of the ultrasonic ranging module 3, that is, the fluid in the container is in a full state at this time, and the container fluid is full signal is output; when the fluid in the container does not touch the trigger position of the blind spot liquid level trigger switch 1, the blind spot liquid level trigger switch 1 does not receive the fluid low-level signal and feeds back to the Internet of Things terminal 2. When the Internet of Things terminal 2 does not receive the fluid low-level signal, The ultrasonic ranging data of the ultrasonic ranging module 3 is collected, and the ultrasonic ranging data is converted into fluid level information through a preset algorithm, and the container fluid level signal is output in real time. Then, the Internet of Things terminal 2 transmits the container fluid fullness signal or the container fluid level signal to the client 5 through the cloud platform 4 to realize remote monitoring and data analysis. With this design, the present application innovatively adopts ultrasonic high-resolution measurement technology, combined with the physical verification mechanism of the blind spot liquid level trigger switch 1, effectively solves the data distortion problem of ultrasonic measurement in blind spots and over-range, and improves the accuracy and reliability of liquid level monitoring; at the same time, it takes into account the automation and intelligence of the system, realizes real-time data collection, processing and remote transmission through the Internet of Things technology, and provides users with a convenient and efficient liquid level monitoring solution.

[0026] Preferably, the trigger position of the blind spot liquid level trigger switch 1 is lower than the position of the ultrasonic ranging module 3. This design prevents the ultrasonic ranging module 3 from coming into contact with the fluid, making it suitable for non-contact measurement of materials including, but not limited to, corrosive solids and liquids, achieving contactless monitoring. Fluids include, but are not limited to, liquids and flowing solids. This IoT ultrasonic liquid level ranging system can also measure toxic and corrosive fluids.

[0027] In this embodiment, the blind spot liquid level trigger switch 1 includes a float switch 11, an internal logic processing module 12 and a switch quantity interface 13; the float switch 11 is electrically connected to the internal logic processing module 12; the internal logic processing module 12 is electrically connected to the Internet of Things terminal 2 through the switch quantity interface 13; the trigger position of the float switch 11 is lower than the position of the ultrasonic ranging module 3. When the fluid in the container touches the trigger position of the float switch 11, the internal logic processing module 12 outputs a fluid low-level signal through the switch interface 13 and feeds it back to the Internet of Things terminal 2; similarly, when the fluid in the container does not touch the trigger position of the float switch 11, the internal logic processing module 12 does not receive the fluid low-level signal through the switch interface 13 and feeds it back to the Internet of Things terminal 2, which helps to realize the physical verification mechanism of the blind spot liquid level trigger switch 1. Combined with the use of ultrasonic high-resolution measurement technology, it effectively solves the data distortion problem of ultrasonic measurement in blind spots and over-range, and improves the accuracy and reliability of liquid level monitoring. At the same time, it takes into account the automation and intelligence of the system, realizes real-time data collection, processing and remote transmission through Internet of Things technology, and provides users with a convenient and efficient liquid level monitoring solution.

[0028] In order to provide good protection for the Internet of Things terminal 2, the Internet of Things terminal 2 is arranged in an installation box installed on the top of the container; the blind spot liquid level trigger switch 1 and the ultrasonic ranging module 3 are both located on the bottom of the installation box and are installed on the top of the container.

[0029] In this embodiment, the IoT terminal 2 includes an IoT communication module 21 and an existing central processing unit (CPU). The CPU serves as the "brain" of the IoT terminal 2, coordinating and managing the operations of its various components. It receives data output from the zone liquid level trigger switch and ultrasonic ranging module 3, performs necessary processing and decision-making, and then transmits the data to the cloud platform 4 or client 5 via the IoT communication module 21. The IoT communication module 21 can be an NB-IoT communication module, a Wi-Fi communication module, a LoRa communication module, or a 4G / 5G communication module. The components of this IoT communication module 21 are mature and reliable, and most are readily available on the market, resulting in low cost and favorable market adoption.

[0030] In this embodiment, the Internet of Things ultrasonic liquid level ranging system further includes a button 6 and a display screen 7, both electrically connected to the blind spot liquid level trigger switch 1 and the Internet of Things terminal 2. The button 6 allows manual operation of the Internet of Things ultrasonic liquid level ranging system, while the display screen 7 displays data such as the signal data output by the blind spot liquid level trigger switch 1 and the signal data output by the Internet of Things terminal 2.

[0031] It should be noted that the Internet of Things terminal 2, ultrasonic ranging module 3, cloud platform 4 and client 5, float switch 11, internal logic processing module 12 and switch interface 13 are all universal standard parts or components known to those skilled in the art. Their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods. The specific implementation of this application may involve the use of software, but the software used is the most commonly used software by those skilled in the art and is not within the scope of protection of the claims of this patent application.

[0032] The working process of this utility model is:

[0033] When the fluid in the container touches the trigger position of the blind spot liquid level trigger switch 1, the blind spot liquid level trigger switch 1 outputs a fluid low-level signal and feeds it back to the Internet of Things terminal 2. Upon receiving the fluid low-level signal, the Internet of Things terminal 2 immediately stops collecting ultrasonic ranging data from the ultrasonic ranging module 3. That is, the fluid in the container is now full and is directly regarded as full. The Internet of Things terminal 2 outputs a container fluid full signal.

[0034] When the fluid in the container does not touch the trigger position of the blind spot liquid level trigger switch 1, the blind spot liquid level trigger switch 1 does not receive the fluid low-level signal and feeds it back to the Internet of Things terminal 2. When the Internet of Things terminal 2 does not receive the fluid low-level signal, it collects the ultrasonic ranging data of the ultrasonic ranging module 3, converts the ultrasonic ranging data into fluid level information through a preset algorithm, and outputs the container fluid level signal in real time. Specifically, after not receiving the fluid low-level signal, the Internet of Things terminal 2 transmits a pulse signal to the ultrasonic module. Then, the ultrasonic module receives the pulse signal and transmits several pulses of a specified frequency to the surface of the measured fluid to form a pulse receiving signal, and feeds back the pulse receiving signal to the Internet of Things terminal 2. When the Internet of Things terminal 2 receives the pulse receiving signal, the cavity height of the container is calculated according to the ultrasonic propagation time from the pulse signal to the pulse receiving signal, which is the ultrasonic ranging, recorded as h. When the container is in an empty bottle state and the fluid is emptied, the total height of the container is measured as H. The liquid level of the container is calculated as the total height H minus the ultrasonic ranging h, and then the reserve percentage can be calculated, thereby converting it into fluid level information and outputting the container fluid level signal in real time.

[0035] Finally, the IoT terminal 2 transmits the container fluid fullness signal or the container fluid level signal to the client 5 through the cloud platform 4 to achieve remote monitoring and data analysis.

[0036] In summary, the embodiment of the present invention provides an Internet of Things ultrasonic liquid level ranging system, wherein the Internet of Things ultrasonic liquid level ranging system innovatively adopts ultrasonic high-resolution measurement technology, combined with the physical verification mechanism of the blind spot liquid level trigger switch 1, effectively solves the problem of data distortion in ultrasonic measurement in blind spots and over-range, and improves the accuracy and reliability of liquid level monitoring; at the same time, it takes into account the automation and intelligence of the system, realizes real-time data collection, processing and remote transmission through Internet of Things technology, and provides users with a convenient and efficient liquid level monitoring solution.

[0037] The above is only a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present application. These improvements and replacements should also be regarded as the scope of protection of the present application.

Claims

1. An Internet of Things ultrasonic liquid level ranging system, characterized in that: include: Blind zone liquid level trigger switch, used to contact with the fluid in the container to output a fluid low-level signal; An Internet of Things terminal and an ultrasonic ranging module; the Internet of Things terminal is electrically connected to the blind spot liquid level trigger switch and the ultrasonic ranging module, respectively, and is configured to receive the fluid low-level signal to stop collecting ultrasonic ranging data of the ultrasonic ranging module and output a fluid full signal; Cloud platform, client; the Internet of Things terminal is connected to the client through the cloud platform; the trigger position of the blind spot liquid level trigger switch is lower than the position of the ultrasonic ranging module.

2. The Internet of Things ultrasonic liquid level ranging system according to claim 1, characterized in that: The blind spot liquid level trigger switch includes a float switch, an internal logic processing module and a switch quantity interface; the float switch is electrically connected to the internal logic processing module; the internal logic processing module is electrically connected to the Internet of Things terminal through the switch quantity interface; the trigger position of the float switch is lower than the position of the ultrasonic ranging module.

3. The Internet of Things ultrasonic liquid level ranging system according to claim 2, characterized in that: The client is a mobile communication device and / or a PC.

4. The Internet of Things ultrasonic liquid level ranging system according to claim 1, characterized in that: The ultrasonic distance measurement module is an ultrasonic sensor.

5. The Internet of Things ultrasonic liquid level ranging system according to claim 1, characterized in that: The Internet of Things terminal includes an Internet of Things communication module; the Internet of Things communication module is an NB-IoT communication module, a Wifi communication module, a LoRa communication module, or a 4G / 5G communication module.

6. The Internet of Things ultrasonic liquid level ranging system according to claim 1, characterized in that: It also includes buttons and a display screen that are electrically connected to the blind spot liquid level trigger switch and the Internet of Things terminal.

7. The Internet of Things ultrasonic liquid level ranging system according to claim 1, characterized in that: The Internet of Things terminal is arranged in an installation box installed on the top of the container; the blind spot liquid level trigger switch and the ultrasonic ranging module are both located on the bottom of the installation box and are installed on the top of the container.

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