阅读说明：本技术 一种超声波燃气表交互操作系统 (Ultrasonic gas meter interactive operation system ) 是由 邹航 方炯 丁水龙 于 2020-06-18 设计创作，主要内容包括：本发明提供一种超声波燃气表交互操作系统。包括MCU、液晶显示模块、红外光电通信模块、蓝牙通信模块、触摸按键、红外热释电模块和光线传感器；所述的MCU连接液晶显示模块、红外光电通信模块、蓝牙通信模块、触摸按键、红外热释电模块和光线传感器,负责各个功能模块的数据传输,上述模块均安装在燃气表主控板上；本发明系统可以实现背光显示的自动控制,通过光线传感器及PWM控制背光亮度可以在满足显示效果的前提下尽可能节省电池消耗；可以在出现异常现象时在现场就能够确定异常原因；通过蓝牙通信模块读取表具信息可更方便用户关注燃气使用情况,及时充值缴费,在发生异常时及时保修。(The invention provides an ultrasonic gas meter interactive operation system. The system comprises an MCU, a liquid crystal display module, an infrared photoelectric communication module, a Bluetooth communication module, a touch key, an infrared pyroelectric module and a light sensor; the MCU is connected with the liquid crystal display module, the infrared photoelectric communication module, the Bluetooth communication module, the touch key, the infrared pyroelectric module and the light sensor and is responsible for data transmission of each functional module, and the modules are all installed on a main control board of the gas meter; the system can realize the automatic control of backlight display, and the battery consumption can be saved as much as possible on the premise of meeting the display effect by controlling the backlight brightness through the light sensor and the PWM; the abnormal reason can be determined on site when the abnormal phenomenon occurs; the gas service condition can be more conveniently paid attention to by the user by reading the meter information through the Bluetooth communication module, the charging and the payment are timely carried out, and the maintenance is timely carried out when the abnormity occurs.)

1. An ultrasonic gas meter interactive operation system is characterized by comprising an MCU, a liquid crystal display module, an infrared photoelectric communication module, a Bluetooth communication module, a touch key, an infrared pyroelectric module and a light sensor;

the MCU is connected with the liquid crystal display module, the infrared photoelectric communication module, the Bluetooth communication module, the touch key, the infrared pyroelectric module and the light sensor and is responsible for data transmission of each functional module, and the modules are all installed on a main control board of the gas meter;

the touch key is arranged on the front side of the main control board, when a touch signal is detected, the touch key sends the signal to the MCU, and the MCU controls the liquid crystal display module to switch display contents;

The light infrared pyroelectric module is arranged on the front side of the main control board, when a person stands on the front side of the watch, the infrared pyroelectric module outputs a signal to the MCU, the MCU controls the liquid crystal display module to light the backlight,

the light sensor is arranged on the front side of the main control board and used for detecting the illumination intensity of the current environment;

the Bluetooth communication module broadcasts data for 1 time every 5 seconds, and the average power consumption is less than 10uA in a non-communication state;

the infrared photoelectric communication module consists of a receiving photoelectric tube and a sending photoelectric tube and is connected with a computer through infrared communication equipment; the receiving photoelectric tube is used for receiving data, and the transmitting photoelectric tube is used for transmitting data.

2. The interactive operating system for the ultrasonic gas meter according to claim 1, wherein the MCU has a model of huada HC32L136 and has an ultra-low power consumption characteristic.

3. The interactive operating system for the ultrasonic gas meter according to claim 2, further comprising a liquid crystal display module using segment liquid crystal with LED backlight.

4. The interactive operating system for ultrasonic gas meters according to claim 3, wherein the bluetooth communication module is a module conforming to BLE4.0 protocol specification.

5. The interactive operating system for the ultrasonic gas meter, according to claim 4, is characterized in that the touch key uses a low power consumption driving chip, and the standby power consumption is as low as 2 uA.

6. The interactive operating system for the ultrasonic gas meter according to claim 5, wherein the infrared pyroelectric module is a sendai BS612, which integrates operational amplification and delay trigger functions, and has a standby power consumption of 5 uA.

7. A using method of an ultrasonic gas meter interactive operation system is characterized by comprising the following steps:

when the information of the watch needs to be checked, whether a human body exists in front of the watch is detected through the infrared pyroelectric module, when a human body exists in front of the watch, the infrared pyroelectric module outputs a signal to the MCU, the MCU controls the liquid crystal display module to light the backlight, the MCU records time at the moment, the MCU switches the liquid crystal display content after detecting the signal output by the infrared pyroelectric module again after 10 seconds, the backlight is continuously lightened, the MCU records the time again, the liquid crystal backlight is closed and the default display state is switched back if the output signal of the infrared pyroelectric module is not detected after 20 seconds, and the display content can be quickly switched through a touch key;

When the backlight needs to be started, the MCU reads the current illumination intensity a from the light sensor, when the illumination intensity a is greater than the illumination intensity b for setting the backlight to be started, the MCU does not control the liquid crystal display to start the backlight, otherwise, the backlight is started, and when the backlight is started, the duty ratio of a PWM output signal for controlling the backlight by the MCU is adjusted according to the illumination intensity, so that the brightness of the backlight is controlled;

the user can also obtain meter information through the mobile phone, the mobile phone APP is connected with the Bluetooth communication module, the mobile phone sends a communication instruction to the Bluetooth communication module, the Bluetooth communication module sends the instruction to the meter MCU, the MCU reads data in the meter according to the instruction, the read data are returned to the Bluetooth communication module, the Bluetooth communication module sends the data to the mobile phone APP, and finally the data are displayed to the client; the meter information comprises meter reading, battery capacity, valve state and abnormal information;

when the meter detection is needed, an engineer is connected with a computer and an infrared photoelectric communication module through infrared communication equipment, the computer sends an instruction to a meter MCU through the infrared photoelectric communication module, the MCU reads or writes meter data according to the instruction, returns a result to the specially-made infrared communication equipment through the infrared photoelectric communication module, returns the data to the computer through the specially-made infrared communication equipment, and finally displays the data to the engineer so as to analyze the current running state of the meter;

The meter data read by the infrared photoelectric module comprises: the table shows the internal state, the daily freezing data, the event record in the operation process and the parameter values of various logic judgments;

the data written by the infrared photoelectric module are parameter values judged by various logics;

the parameter values judged by the logic include but are not limited to: the flow value and detection time for detecting small flow and large flow, the control code for opening or closing abnormal detection and the meter serial number for identifying the identity of the meter.

Technical Field

The invention belongs to the technical field of ultrasonic gas meter structures, and particularly relates to an ultrasonic gas meter interactive operation system.

Technical Field

Gas meters are generally installed in cabinets without light sources, and when the information of the meter needs to be checked, a flashlight is often needed to illuminate a screen of the meter. Part has the gas table that the LCD screen is shaded and also needs manual key operation just can lighten the LCD screen and be shaded, when needing to look over a plurality of information, still needs many times key operation, and operation process is loaded down with trivial details. According to the method, various sensors are arranged on the meter, when data need to be checked, the meter automatically judges according to the current environment, the liquid crystal backlight is controlled, and the data are displayed in a rolling mode, so that manual operation on the meter is simplified, and meanwhile, consumption of battery power is saved to the greatest extent on the premise that the use requirements of users are met.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an ultrasonic gas meter interactive operation system.

An ultrasonic gas meter interactive operation system comprises an MCU, a liquid crystal display module, an infrared photoelectric communication module, a Bluetooth communication module, a touch key, an infrared pyroelectric module and a light sensor.

The MCU is connected with the liquid crystal display module, the infrared photoelectric communication module, the Bluetooth communication module, the touch key, the infrared pyroelectric module and the light sensor and is responsible for data transmission of all the functional modules, and the modules are all installed on a main control board of the gas meter.

The touch key is arranged on the front side of the main control board, when the touch signal is detected, the touch key sends the signal to the MCU, and the MCU controls the liquid crystal display module to switch display content.

The light infrared pyroelectric module is arranged on the front side of the main control board, when a person stands on the front side of the watch, the infrared pyroelectric module outputs a signal to the MCU, the MCU controls the liquid crystal display module to light the backlight,

the light sensor is arranged on the front side of the main control panel and used for detecting the illumination intensity of the current environment.

The Bluetooth communication module carries out data broadcasting for 1 time every 5 seconds, and the average power consumption is less than 10uA in a non-communication state.

The infrared photoelectric communication module consists of a receiving photoelectric tube and a sending photoelectric tube and is connected with a computer through infrared communication equipment; the receiving photoelectric tube is used for receiving data, and the transmitting photoelectric tube is used for transmitting data.

Further, the MCU is in a model of Huada HC32L136, and the MCU has the characteristic of ultra-low power consumption.

Furthermore, the liquid crystal display module adopts segment liquid crystal and is provided with LED backlight.

Further, the bluetooth communication module adopts a module conforming to BLE4.0 protocol specification.

Furthermore, the touch key uses a low-power-consumption driving chip, and the standby power consumption is as low as 2 uA.

Furthermore, the infrared pyroelectric module adopts a Senba BS612, the module integrates the functions of operational amplifier and delay trigger, and the standby power consumption is 5 uA.

The use method of the ultrasonic gas meter interactive operation system comprises the following steps:

when the information of the watch needs to be checked, whether a human body exists in front of the watch is detected through the infrared pyroelectric module, when the human body exists in front of the watch, the infrared pyroelectric module outputs a signal to the MCU, the MCU controls the liquid crystal display module to light the backlight, the MCU records time at the moment, the MCU switches the liquid crystal display content after detecting the signal output by the infrared pyroelectric module again after 10 seconds, the backlight is continuously lightened, the MCU records the time again, the liquid crystal backlight is closed and the default display state is switched back if the output signal of the infrared pyroelectric module is not detected after 20 seconds, and the display content can be quickly switched through the touch key.

When the backlight needs to be started, the MCU reads the current illumination intensity a from the light sensor, when the illumination intensity a is larger than the illumination intensity b for setting the backlight to be started, the MCU does not control the liquid crystal display to start the backlight, otherwise, the backlight is started, and when the backlight is started, the duty ratio of a PWM output signal for controlling the backlight by the MCU is adjusted according to the illumination intensity, so that the backlight brightness is controlled.

The user also can carry out the acquirement of table utensil information through the cell-phone, through cell-phone APP connection bluetooth communication module, the cell-phone sends communication instruction for bluetooth communication module, sends the instruction for table utensil MCU by bluetooth communication module again, and MCU reads the interior data of table according to the instruction, then returns the data of reading for bluetooth communication module, sends data for cell-phone APP by bluetooth communication module again, finally shows data for the customer. The meter information includes meter reading, battery capacity, valve status and abnormal information (whether sending leakage alarm, whether remaining gas is insufficient).

When the meter needs to be detected, an engineer is connected with the computer and the infrared photoelectric communication module through the infrared communication equipment, the computer sends an instruction to the meter MCU through the infrared photoelectric communication module, the MCU reads or writes meter data according to the instruction, returns a result to the special infrared communication equipment through the infrared photoelectric communication module, returns the data to the computer through the special infrared communication equipment, and finally displays the data to the engineer so as to analyze the current running state of the meter.

The meter data read by the infrared photoelectric module comprises: the table shows the internal state, the daily freezing data, the event record in the operation process and the parameter values of various logic judgments;

The data written by the infrared photoelectric module are parameter values judged by various logics.

The parameter values judged by the logic include but are not limited to: the flow value and detection time for detecting small flow and large flow, the control code for opening or closing abnormal detection and the meter serial number for identifying the identity of the meter.

The invention has the following beneficial effects:

1. the system of the invention can improve the integral waterproof grade of the meter by using the touch keys, and the meter can be operated without punching and installing mechanical keys on the shell;

2. the backlight brightness is controlled through the light sensor and the PWM, so that the battery consumption can be saved as far as possible on the premise of meeting the display effect;

3. the abnormal reason can be determined on site when the abnormal phenomenon occurs by reading the meter data through the infrared photoelectric communication port, and the meter does not need to be disassembled to return to a factory for abnormal analysis, so that the abnormal condition can be positioned more quickly;

4. the gas service condition can be more conveniently paid attention to by the user by reading the meter information through the Bluetooth communication module, the charging and the payment are timely carried out, and the maintenance is timely carried out when the abnormity occurs.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1, an interactive operation system for an ultrasonic gas meter includes an MCU, a liquid crystal display module, an infrared photoelectric communication module, a bluetooth communication module, a touch button, an infrared pyroelectric module, and a light sensor.

The MCU is connected with the liquid crystal display module, the infrared photoelectric communication module, the Bluetooth communication module, the touch key, the infrared pyroelectric module and the light sensor and is responsible for data transmission of all the functional modules, and the modules are all installed on a main control board of the gas meter.

The touch key is arranged on the front side of the main control board, when the touch signal is detected, the touch key sends the signal to the MCU, and the MCU controls the liquid crystal display module to switch display content.

The infrared pyroelectric module is arranged at the front side of the main control board, can detect the human body within 120 degrees, has the maximum detection distance of 2 meters, outputs a signal to the MCU when a person stands on the front surface of the watch, controls the liquid crystal display module to light the backlight by the MCU,

the light sensor is arranged on the front side of the main control panel and used for detecting the illumination intensity of the current environment.

The Bluetooth communication module carries out data broadcasting for 1 time every 5 seconds, and the average power consumption is less than 10uA in a non-communication state.

The infrared photoelectric communication module consists of a receiving photoelectric tube and a sending photoelectric tube and is connected with a computer through infrared communication equipment; the receiving photoelectric tube is used for receiving data, and the transmitting photoelectric tube is used for transmitting data.

Further, the MCU is in a model of Huada HC32L136, and the MCU has the characteristic of ultra-low power consumption.

Furthermore, the liquid crystal display module adopts segment liquid crystal and is provided with LED backlight.

Further, the bluetooth communication module adopts a module conforming to BLE4.0 protocol specification.

Furthermore, the touch key uses a low-power-consumption driving chip, and the standby power consumption is as low as 2 uA.

Furthermore, the infrared pyroelectric module adopts a Senba BS612, the module integrates the functions of operational amplifier and delay trigger, and the standby power consumption is 5 uA.

The use method of the ultrasonic gas meter interactive operation system comprises the following steps:

when the information of the watch needs to be checked, whether a human body exists in front of the watch is detected through the infrared pyroelectric module, when the human body exists in front of the watch, the infrared pyroelectric module outputs a signal to the MCU, the MCU controls the liquid crystal display module to light the backlight, the MCU records time at the moment, the MCU switches the liquid crystal display content after detecting the signal output by the infrared pyroelectric module again after 10 seconds, the backlight is continuously lightened, the MCU records the time again, the liquid crystal backlight is closed and the default display state is switched back if the output signal of the infrared pyroelectric module is not detected after 20 seconds, and the display content can be quickly switched through the touch key.

When the backlight needs to be started, the MCU reads the current illumination intensity a from the light sensor, when the illumination intensity a is larger than the illumination intensity b for setting the backlight to be started, the MCU does not control the liquid crystal display to start the backlight, otherwise, the backlight is started, and when the backlight is started, the duty ratio of a PWM output signal for controlling the backlight by the MCU is adjusted according to the illumination intensity, so that the backlight brightness is controlled.

The user also can carry out the acquirement of table utensil information through the cell-phone, through cell-phone APP connection bluetooth communication module, the cell-phone sends communication instruction for bluetooth communication module, sends the instruction for table utensil MCU by bluetooth communication module again, and MCU reads the interior data of table according to the instruction, then returns the data of reading for bluetooth communication module, sends data for cell-phone APP by bluetooth communication module again, finally shows data for the customer. The meter information includes meter reading, battery capacity, valve status and abnormal information (whether sending leakage alarm, whether remaining gas is insufficient).

When the meter needs to be detected, an engineer is connected with the computer and the infrared photoelectric communication module through the infrared communication equipment, the computer sends an instruction to the meter MCU through the infrared photoelectric communication module, the MCU reads or writes meter data according to the instruction, returns a result to the special infrared communication equipment through the infrared photoelectric communication module, returns the data to the computer through the special infrared communication equipment, and finally displays the data to the engineer so as to analyze the current running state of the meter.

The meter data read by the infrared photoelectric module comprises: the table shows the internal state, the daily freezing data, the event record in the operation process and the parameter values of various logic judgments;

the data written by the infrared photoelectric module are parameter values judged by various logics.

The parameter values judged by the logic include but are not limited to: the flow value and detection time for detecting small flow and large flow, the control code for opening or closing abnormal detection and the meter serial number for identifying the identity of the meter.