CN216646553U - Ultrasonic wind speed and direction acquisition and display device - Google Patents
Ultrasonic wind speed and direction acquisition and display device Download PDFInfo
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- CN216646553U CN216646553U CN202123296367.7U CN202123296367U CN216646553U CN 216646553 U CN216646553 U CN 216646553U CN 202123296367 U CN202123296367 U CN 202123296367U CN 216646553 U CN216646553 U CN 216646553U
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Abstract
An ultrasonic wind speed and direction acquisition and display device comprises an acquisition device for acquiring wind speed and direction and a display device for displaying wind speed and direction information, wherein the acquisition device comprises a main body, a control unit and an ultrasonic probe for measuring wind speed and direction; the display device comprises a bottom shell, a support is arranged at the bottom of the bottom shell, an upper cover is arranged on the bottom shell, and a liquid crystal screen and a main control panel in signal connection with a control unit are arranged between the upper cover and the bottom shell. The device has the advantages that the structural design is light and exquisite, the corrosion and vibration resistance of the device is guaranteed, the system is convenient to mount, dismount and debug, and the maintenance cost is saved; possess the fault detection function simultaneously, be favorable to using manpower sparingly the cost.
Description
Technical Field
The utility model relates to the technical field of wind speed acquisition, in particular to an ultrasonic wind speed and direction acquisition and display device.
Background
Wind energy is inexhaustible energy in nature, the total energy consumption is increased in the middle-to-middle-aged transition, the problem of how to realize effective conversion and utilization of the wind energy is a key concern at present, and accurate collection and measurement of wind speed and wind direction are the primary problems for realizing effective conversion of the wind energy.
Nowadays, anemorumbometers are mainly divided into mechanical anemometers, thermoelectric anemometers and ultrasonic anemometers, the mechanical anemometers can be divided into cup-type anemometers and propeller-type anemometers, the mechanical anemometers are simple in structure and convenient and fast to acquire and process, and the anemometers are widely applied in the early stage, but the service life and the precision are inevitably poor due to abrasion of the mechanical structure; the thermoelectric anemometer adopts a heating probe, calculates the wind speed according to the energy loss of the probe, and is suitable for a low wind speed measuring environment; the ultrasonic anemometer is based on methods such as a time difference method, a Doppler method and a phase difference method, so that accurate measurement of wind speed and wind direction in different scenes is achieved; the ultrasonic anemograph is widely applied due to the advantages of convenience in measurement, high precision, long service life and the like.
At present, the existing ultrasonic wind speed and direction acquisition device is influenced by mechanical installation, different air media, data processing and the like in the design, production and use processes, so that the data acquisition precision and the data stability are reduced, and the existing ultrasonic wind speed and direction display device has various products and single display form.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art and provides an ultrasonic wind speed and direction acquisition and display device which is good in stability, can accurately measure the wind speed and direction and can display the wind speed and direction in real time.
The technical problem to be solved by the present invention is achieved by the following technical means. The utility model relates to an ultrasonic wind speed and direction acquisition and display device, which comprises an acquisition device for acquiring wind speed and direction and a display device for displaying wind speed and direction information, wherein the acquisition device comprises a main body, a control unit and an ultrasonic probe for measuring wind speed and direction;
the display device comprises a bottom shell, a support is arranged at the bottom of the bottom shell, an upper cover is arranged on the bottom shell, and a liquid crystal screen and a main control board in communication connection with a control unit are arranged between the upper cover and the bottom shell.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the ultrasonic wind speed and wind direction acquisition and display device, the ultrasonic probe is a 200KHZ ultrasonic transducer.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that 2-4 ultrasonic probes are arranged on the ultrasonic wind speed and wind direction acquisition and display device, and the 2-4 ultrasonic probes are uniformly distributed along the circumferential direction of the gland.
The technical problem to be solved by the present invention can be further solved by the following technical solution, in the above ultrasonic wind speed and direction acquisition and display device, the control unit includes a GD32F4 chip, the GD32F4 chip is connected with a power module and a communication module, the GD32F4 chip is connected with the ultrasonic probe through a PWM module and a driving circuit, and the ultrasonic probe is connected with the GD32F4 chip through an amplifying circuit and a microwave circuit.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the ultrasonic wind speed and wind direction acquisition and display device, the liquid crystal screen is a 5-inch liquid crystal screen.
The technical problem to be solved by the utility model can be further solved by adopting the following technical scheme that for the ultrasonic wind speed and direction acquisition and display device, a GD32F1 chip is installed on a main control board, and a power supply interface, an analog quantity interface, a communication interface and a network interface which are connected with the GD32F1 chip are also arranged on the side wall of a bottom shell.
Compared with the prior art, the wind speed and direction accurate measurement in the fields of ports, meteorology and the like can be realized through the design and development of the wind speed and direction accurate measurement device, real-time display can be realized through a display device or a remote large screen, and reliable data support is provided for wind energy surveying; simultaneously, this application has the alarm function, can realize the wind speed alarm to can link to each other with on-the-spot PLC equipment, trigger equipment shut down during the alarm, ensure large-scale equipment safety. The device has the advantages that the structural design is light and exquisite, the corrosion and vibration resistance of the device is guaranteed, the system is convenient to mount, dismount and debug, and the maintenance cost is saved; and meanwhile, the system has a fault detection function, and is favorable for saving labor cost.
Drawings
FIG. 1 is a diagram of an apparatus frame of the present invention;
FIG. 2 is a diagram of an ultrasound signal transmission model according to the present invention;
FIG. 3 is a schematic view of the structure of the collecting device of the present invention;
FIG. 4 is an electrical schematic of the acquisition device of the present invention;
FIG. 5 is a schematic view of a display device according to the present invention;
fig. 6 is an electrical schematic diagram of the display device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, an ultrasonic wind speed and direction acquisition and display device comprises an acquisition device and a display device, wherein the acquisition device adopts a 200KHz ultrasonic transducer and a high-frequency signal to increase acquisition precision; the device utilizes the basic principle of a time difference method to amplify, filter, detect peak values and the like, reduces hardware delay and further improves acquisition precision;
the display device adopts a 5-inch liquid crystal screen and displays instantaneous and average wind speed and wind direction information; the display device is reserved with various interfaces, 485, 4-20 mA, pulse Gray codes and the like, and can be butted with different interface acquisition devices and field PLC equipment; meanwhile, the display device can set the alarm wind speed and provide sound and light alarm; the display and control device is also provided with a network port, a 4G interface and the like, and can be butted with a cloud platform to carry out large-screen real-time display;
the whole device frame is shown in figure 1;
1. collection device
The collecting device adopts a court type structure, so that the influence of rain and snow on the coverage of the probe is prevented, and meanwhile, the whole device is made of aluminum alloy, so that the device is light in weight, has better corrosion resistance and meets the outdoor use requirement;
the wind speed and direction acquisition device mainly comprises three parts, namely a reflection cover plate 11, a probe and a cavity;
the ultrasonic transducer sends out signals with a certain divergence angle, in order to ensure small energy loss of the signals in transmission, the inner side of the reflecting cover plate 11 adopts a horizontal sampling mode, and a signal transmission model is shown in figure 2;
in order to ensure the efficient transmission of signals, the inner side of the reflecting cover plate 11 is subjected to plastic spraying treatment, so that the horizontal smoothness of the inner wall is ensured; meanwhile, the ultrasonic transducer mounting plate is a die-casting aluminum alloy plate, so that the horizontal precision is ensured; the reflecting cover plate 11 and the ultrasonic transducer mounting plate are fixed by a bracket 25, so that the reflecting cover plate and the ultrasonic transducer mounting plate are parallel;
the ultrasonic probe 13 adopts a 200KHz transducer, has higher central frequency, can reduce the attenuation of suspended particles in the air to sound waves, increases the signal receiving energy and improves the detection precision;
the cavity of the wind speed and direction device adopts a circular cavity structure, and a stud is reserved in the cavity, so that the main control board 23 is convenient to mount; meanwhile, the bottom is provided with a mounting fixing hole which is fixed on the mounting column through screws, and the specific structure is shown in figure 3;
the acquisition device comprises a main body 16, a control unit 15 and an ultrasonic probe 13 for measuring wind speed and wind direction, wherein a cavity convenient for the installation of the control unit 15 is arranged in the main body 16, the cavity is sealed by a gland 14, a sensor is installed on the gland 14, a reflecting cover plate 11 matched with the sensor is also installed on the gland 14 through an upright post 12, the gland 14 and the upright post 12 are fixedly connected with the main body 16 through a fastener 17, and a plug 18 is also installed on the main body 16;
the wind speed and direction acquisition device adopts GD32F4 series as a core chip, the chip has higher processing speed and can rapidly process acquired information, the internal functional modules of the acquisition device can be divided into a power supply module, a core module, a communication module, a pulse transceiving module, an amplifying and filtering module and the like, and the electrical schematic block diagram of the acquisition device is shown in figure 4;
a power supply module of the wind speed and direction acquisition device converts a 24VDC power supply into 12V power through a switching power supply chip to supply power for a transducer driving circuit; converting 12VDC into 5VDC to supply power for the operational amplifier; the 5VDC is converted into 3.3VDC through a linear power supply to supply power for a core chip, a core module comprises a GD32 circuit, a clock circuit, a reset circuit, a boot circuit and a programming circuit, and a communication module comprises 485 communication and 4-20 mA communication according to field transmission and communication requirements and is provided with an isolation circuit for ensuring the stability and anti-interference type of a transmission signal; the PWM module is used for producing 200KHz pulse signals through GD32 and obtaining a high-energy driving transducer through a transducer driving circuit; the signal received by the transducer is amplified to a voltage suitable for the detection range of the singlechip through an amplifying circuit, and then an interference signal is removed through a filtering circuit; GD32 processes the collected signals through AD, obtains the time of receiving the signals through peak detection, and calculates the wind speed and the wind direction;
the peak detection is an important part of the wind speed and direction acquisition device, the traditional data processing mode is to compare the signal intensity through a comparator and judge the signal receiving time, but the method has low precision and is troublesome to debug; the device adopts a peak value detection method, AD sampling and sampling value comparison are carried out to find out a peak value, and then the signal receiving time is accurately calculated; meanwhile, the single chip microcomputer also consumes certain time for processing, and the time is required to be counted in order to further increase the precision;
2. display device
The fast wind direction display device adopts an aluminum alloy structure, the surface is sprayed with plastic, and the structure is simple, convenient and light. The display device is fixed in the on-site case through bottom screws, so that the assembly and disassembly are convenient, and the structure of the display device is shown in figure 5;
the display device consists of an upper cover 21, a bottom shell 24, a liquid crystal display, a main control panel 23 and a support 25, wherein the upper cover 21 and the bottom shell 24 are fixed together through screws to form the whole shell structure of the display device; the liquid crystal screen is arranged on the inner side of the upper shell, and a user can conveniently check an operation result through the liquid crystal screen; the bottom of the display device is provided with a detachable support 25 which is used for being fixed in a user case, all interfaces are arranged on the side wall of a bottom shell 24 of the display device, and the display device comprises a power supply interface, an analog quantity interface, a communication interface and a network interface, so that the system circuit connection is greatly facilitated; the whole display device has delicate structural design and convenient installation, disassembly, system line connection and debugging;
the wind speed and direction display device adopts GD32F1 series as a core chip, the chip has rich interfaces and can be butted with various serial-parallel port equipment, the internal functional modules of the display device can be divided into a power supply module, a core module, a communication module, an alarm circuit and the like, and the electrical schematic block diagram of the display device is shown in figure 6;
the power supply module of the wind speed and direction display device converts a 220VAC power supply into 24V through a switch power supply chip to supply power to the acquisition device; the 24VDC is converted into 5VDC to supply power for the operational amplifier and the 4G module; the 5VDC is converted into 3.3VDC through a linear power supply to supply power for the core chip; the core module comprises a GD32F1 power supply, a clock circuit, a reset circuit, a boot circuit and a programming circuit. The communication module can select LoRa communication, 4G communication and the like according to the requirements of field transmission and communication, and is provided with an isolation circuit for ensuring the stability and anti-interference type of a transmission signal;
the display device can be screwed on the control cabinet body through the back screw hole; can also be arranged in the user control box through a bracket 25; or by replacing the form of the bracket 25, the guide rail is installed.
The wind speed and direction accurate measurement in the fields of ports, meteorology and the like can be realized through the design and development of the wind power measuring instrument, the real-time display can be realized through a display device or a remote large screen, and reliable data support is provided for wind power surveying; simultaneously, this application has the alarm function, can realize the wind speed alarm to can link to each other with on-the-spot PLC equipment, trigger equipment shut down during the alarm, ensure large-scale equipment safety. The device has the advantages that the structural design is light and exquisite, the corrosion and vibration resistance of the device is guaranteed, the system is convenient to mount, dismount and debug, and the maintenance cost is saved; possess the fault detection function, the cost of using manpower sparingly.
Claims (6)
1. The utility model provides an ultrasonic wave wind speed wind direction gathers and display device which characterized in that: the wind speed and direction acquisition device comprises an acquisition device and a display device, wherein the acquisition device is used for acquiring wind speed and direction information, the display device is used for displaying the wind speed and direction information, the acquisition device comprises a main body, a control unit and an ultrasonic probe used for measuring the wind speed and direction, a cavity convenient for the control unit to install is arranged in the main body, the cavity is sealed through a gland, a sensor is arranged on the gland, and a reflecting cover plate matched with the sensor is also arranged on the gland through an upright post;
the display device comprises a bottom shell, a support is arranged at the bottom of the bottom shell, an upper cover is arranged on the bottom shell, and a liquid crystal screen and a main control board in communication connection with a control unit are arranged between the upper cover and the bottom shell.
2. The ultrasonic wind speed and direction acquisition and display device according to claim 1, wherein: the ultrasonic probe is a 200KHZ ultrasonic transducer.
3. The ultrasonic wind speed and direction acquisition and display device according to claim 1 or 2, characterized in that: the ultrasonic probes are arranged in 2-4 numbers, and the 2-4 ultrasonic probes are uniformly distributed along the circumferential direction of the gland.
4. The ultrasonic wind speed and direction acquisition and display device according to claim 1, wherein: the control unit comprises a GD32F4 chip, a power supply module and a communication module are connected to the GD32F4 chip, the GD32F4 chip is connected with the ultrasonic probe through a PWM module and a driving circuit, and the ultrasonic probe is connected with the GD32F4 chip through an amplifying circuit and a microwave circuit.
5. The ultrasonic wind speed and direction collection and display device according to claim 1, wherein: the liquid crystal screen is a 5-inch liquid crystal screen.
6. The ultrasonic wind speed and direction acquisition and display device according to claim 1 or 5, wherein: the main control board is provided with a GD32F1 chip, and the side wall of the bottom shell is also provided with a power interface, an analog quantity interface, a communication interface and a network interface which are connected with the GD32F1 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123296367.7U CN216646553U (en) | 2021-12-27 | 2021-12-27 | Ultrasonic wind speed and direction acquisition and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123296367.7U CN216646553U (en) | 2021-12-27 | 2021-12-27 | Ultrasonic wind speed and direction acquisition and display device |
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| Publication Number | Publication Date |
|---|---|
| CN216646553U true CN216646553U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123296367.7U Active CN216646553U (en) | 2021-12-27 | 2021-12-27 | Ultrasonic wind speed and direction acquisition and display device |
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| CN (1) | CN216646553U (en) |
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2021
- 2021-12-27 CN CN202123296367.7U patent/CN216646553U/en active Active
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