CN201096799Y - Automatic recording instrument for wind speed - Google Patents

Abstract

The utility model relates to a wind speed automatic recording apparatus which is composed of a wind speed sensor, a memory cell, a display output part, a power supply, a control button and a machine shell, six parts in total; the wind speed sensor is connected with the memory cell through a signal transmission line; the electric signals outputted by the wind speed sensor are unidirectionally inputted into the memory cell; the memory cell is connected with the display output part through a signal transmission line; the data stored in the memory cell are unidirectionally inputted into the display output part; the control button is connected with the memory cell through a signal transmission line; the memory cell unidirectionally receives the output signals of the control button; the power supply is connected with the wind speed sensor, the memory cell and the control button through signal transmission lines and supplies power to the sensor, the cell and the button; the machine shell combines the wind speed sensor, the memory cell, the display output part, the power supply and the control button as a whole. The wind speed automatic recording apparatus achieves the function of long-time automatic testing and recording of wind speed changes, which has a compact overall structure and a very small size.

Description

Automatic wind speed recorder

(1) Technical field:

The utility model relates to an automatic wind speed recorder, in particular to an intelligent miniature wind speed automatic recorder powered by a battery, which belongs to wind speed measurement and recording devices.

(two) background technology:

Wind speed is the main parameter to describe the phenomenon of air flow, and to study the law of air flow, the measurement of wind speed is necessary and critical.

At present, the measurement of wind speed in the natural environment is mainly through various anemometers, including mechanical impeller anemometers, hot-wire anemometers, and trusteeships. The principles of these wind speed measuring instruments are different, and the range of measuring wind speed is also different. But they can only be measured in real time on site, and cannot automatically record the wind speed value for a long time.

Therefore, the development of an anemometer that can automatically record can greatly save the time of manual measurement, and can also be applied to dangerous occasions that cannot be monitored manually before and occasions with limited space. This instrument can be widely used in meteorology, air-conditioning systems and other occasions that need to measure wind speed and its changing process; the development of this instrument is also necessary.

(3) Contents of utility model:

The purpose of the utility model is to provide an automatic wind speed recorder to realize the function of automatically recording wind speed changes for a long time.

The utility model is an automatic wind speed recorder, and its technical solution is: the automatic wind speed recorder is composed of six parts: a wind speed sensor, a storage unit, a display output part, a power supply, a control button and a casing: the storage unit is composed of a single-chip microcomputer, a wind speed It is composed of a sensor detection circuit and a button detection circuit; the display output part is composed of a liquid crystal screen and a USB interface. The storage unit is located in the case; the power supply is located at the bottom rear of the case and has a cover that can be opened to load and unload the battery; the wind speed sensor is located at the front of the case and can be extended and exposed when the instrument is in use, and retracted into the case when not in use; display output The parts and control buttons are located at the front and rear of the upper surface of the case respectively, providing the man-machine operation interface. Wherein, the wind speed sensor is connected to the storage unit with a signal transmission line, and the electrical signal output by the wind speed sensor is unidirectionally input to the storage unit; the storage unit is connected to the display output part through a signal transmission line, and the data stored in the storage unit is unidirectionally input to the display output part; The control button is connected with the storage unit through a signal transmission line, and the storage unit receives the output signal of the control button in one direction; the power supply is connected with the wind speed sensor, the storage unit, and the display output part through the power transmission line (wire), and provides power to them; the casing will The wind speed sensor, storage unit, display output part, power supply and control buttons are integrated into one piece.

Among them, liquid crystal display data is used, and the current date, time and working status are displayed at the same time.

Among them, the recorded data is read through the USB interface, and the USB communication protocol adopts the CJ/T188-2004 standard.

Among them, the wind speed sensor adopts the wind speed gas sensor for environmental detection of Dart sensor company in the United States, and the output signal is 2000nA/ppm.

Among them, the power supply is a 1.5v ordinary dry battery.

Among them, the single-chip microcomputer is a low-power single-chip microcomputer produced by TI Company of the United States.

The utility model is an automatic wind speed recorder, which has the following advantages compared with the prior art:

1. The utility model realizes the function of automatically measuring and recording the change value of wind speed for a long time, and the overall structure is compact, and the wind speed is small.

2. The utility model can greatly save the time of manual measurement, and can also be applied to dangerous occasions that cannot be monitored manually before and occasions with limited space.

3. The utility model can be widely used in meteorology, air-conditioning systems and other occasions where wind speed and its changing process need to be measured.

4. The utility model has simple operation interface and convenient control.

(4) Description of drawings:

Figure 1 shows a schematic diagram of the overall structure of the wind speed automatic recorder;

Figure 2 is a schematic diagram of the circuit connection and signal transmission of the wind speed automatic recorder

Figure 3 shows the working flow diagram of the wind speed automatic recorder (signal transmission diagram)

The specific labels in the figure are as follows:

1. Wind speed sensor 2. Storage unit

2-a microcontroller 2-b wind speed sensor detection circuit 2-c button detection circuit

3. Display output part 3-a LCD display 3-b USB interface

4. Power supply 5. Control button 6. Housing

Unit Description:

m/s meter/second

(5) Specific implementation methods:

The utility model is an automatic wind speed recorder, as shown in Fig. 1 and Fig. 3, it is composed of a wind speed sensor 1, a storage unit 2, a display output part 3, a power supply 4, a control button 5 and a casing 6.

Wherein, the storage unit 2 is located in the case 6; the power supply 4 is located at the bottom rear end of the case 6 and has a cover that can be opened to load and unload the battery; the wind speed sensor 1 is located at the front end of the case 6 and can be extended and exposed when the instrument is in use. Shrunk into the casing; the display output part 3 and the control button 5 are respectively located at the front and rear of the upper surface of the casing to provide a man-machine operation interface.

Among them, the storage unit 2 is composed of a single chip microcomputer 2-a, a wind speed sensor detection circuit 2-b, and a button detection circuit 2-c; the display output part 3 is composed of a liquid crystal display 3-a and a USB interface 3-b.

Wherein, the display output part 3 adopts a liquid crystal display 3-a to display data, and simultaneously display the current date, time and working status.

Wherein, the recorded data is read through the USB interface 3-b, and the USB communication protocol adopts the CJ/T188-2004 standard.

Among them, the wind speed sensor 1 adopts the wind speed gas sensor for environmental detection of the American Dart sensor company, and the output signal is 2000nA/ppm.

Wherein, the power supply 4 is powered by a 1.5v common dry battery.

Among them, the single-chip microcomputer 2-a is a low-power single-chip microcomputer produced by TI Company of the United States.

Please continue to refer to Figures 1 to 3, the wind speed sensor 1 is connected to the storage unit 2 through the transmission signal line, and the induced wind speed change value is converted into a current signal for unidirectional input to the wind speed sensor detection circuit 2-b; the wind speed sensor detection circuit 2 -b convert the current signal directly into a voltage signal through the operational amplifier, and input it into the single-chip microcomputer 2-a in one direction; the single-chip microcomputer 2-a inputs the real-time sensed wind speed value into the liquid crystal display 3-a through calculation and storage, and continuously The wind speed value stored in the time record is transmitted bidirectionally with the outside through the USB interface 3-b; the non-volatile FLASH memory is used in the single-chip microcomputer 2-a, and the data will not be lost after power failure; the control button 5 and the button detection circuit 2-c Connected through the transmission signal line, the button detection circuit 2-c inputs the button control signal into the single-chip microcomputer 2-a through the signal transmission line, and the single-chip microcomputer 2-a performs calculations and realizes the on/off of the wind speed automatic recorder, recording time setting and display , the display of the remaining power of the power supply; the power supply 4 is connected with the wind speed sensor 1, the single-chip microcomputer 2-a, and the liquid crystal display 3-a to provide power for it. The casing 6 integrates the wind speed sensor 1 , the storage unit 2 , the display output part 3 , the power supply 4 and the control button 5 . The whole instrument is compact in structure, small in size and easy to carry.

Claims (3)

1. wind speed self-recording device is characterized in that: this wind speed self-recording device by air velocity transducer (1), storage unit (2), show that output (3), power supply (4), control knob (5) and casing (6) six parts form; Wherein, storage unit (2) is positioned at casing (6); Power supply (4) is positioned at casing (6) rear end, bottom and has lid can open with loading and unloading battery; Air velocity transducer (1) is positioned at casing (6) front end and stretches out when instrument uses and exposes, and is contracted to when not using in the casing; Show that output (3) and control knob (5) lay respectively at the casing upper surface front and rear; Air velocity transducer (1) links to each other with signal transmssion line with storage unit (2), the unidirectional input storage unit of electric signal of air velocity transducer output; Storage unit (2) links to each other by signal transmssion line with showing output, the data sheet of cell stores to be input to the demonstration output; Control knob (5) links to each other by signal transmssion line with storage unit (2), the output signal of the reception control knob that storage unit is unidirectional; Power supply (4) links to each other with air velocity transducer (1), storage unit (2), demonstration output (3) by power transmission line; Casing (6) is incorporated into one with air velocity transducer (1), storage unit (2), demonstration output (3), power supply (4), control knob (5).

2, wind speed self-recording device according to claim 1 is characterized in that: this storage unit is made up of single-chip microcomputer (2-a), air velocity transducer testing circuit (2-b), button testing circuit (2-c).

3, wind speed self-recording device according to claim 1 is characterized in that: this demonstration output is made up of liquid crystal display (3-a), USB interface (3-b).

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