Sensor device with remote monitoring and alarming functions

Abstract

The utility model provides a sensor device with a remote monitoring alarm function. The sensor device comprises a universal meter detection module, a main control module, a power supply module, a display module, a buzzer module and a serial port module, a wiring port of the universal meter detection module is connected with the gas sensitive material, and an output end of the universal meter detection module is connected with a detection data input end of the main control module; the power supply output end of the power supply module is connected with the power supply input end of the master control module and the power supply end of the universal meter detection module. The input end of the power supply module is used for connecting an external power supply. The signal output end of the display module is connected with the display input end of the main control module; the input end of the display module is used as an interface for connecting a camera device; the signal input end of the buzzer module is connected with the alarm output end of the main control module; the output end of the serial port module is connected with the serial port input end of the master control module, and the input end of the serial port module serves as an interface to be connected with external terminal equipment. And operators can remotely observe data changes to guarantee personal safety.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor gas detection, in particular to a sensor device with remote monitoring and alarm. Background Art

[0002] At present, although existing gas sensors can monitor toxic and harmful gases, most of the gas sensors are limited to the alarm prompts issued by the sensor itself. At the same time, most common gas sensors on the market are handheld sensors with built-in LCD screens, and their detection is still mainly based on manual inspections and sampling inspections. The detection process is time-consuming and labor-intensive, and the overall monitoring effect is limited. At the same time, manual inspections cannot avoid the problem that workers need to be exposed to this dangerous gas, which may cause hidden dangers of poisoning to operators without knowing it. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a sensor device with remote monitoring and alarming function, so that operators can observe the on-site detection status in a safe environment.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A sensor device with remote monitoring and alarm, comprising a multimeter detection module, a main control module, a power module, a display module, a buzzer module and a serial port module; the wiring port of the multimeter detection module is connected to a gas-sensitive material, and the output end of the multimeter detection module is connected to a detection data input end of the main control module; the power supply output end of the power supply module is respectively connected to the power supply input end of the main control module and the power supply end of the multimeter detection module, and the input end of the power supply module is used to connect an external power supply; the signal output end of the display module is connected to the display input end of the main control module, and the input end of the display module is used as an interface for connecting a camera device; the signal input end of the buzzer module is connected to the alarm output end of the main control module; the output end of the serial port module is connected to the serial port input end of the main control module, and the input end of the serial port module is used as an interface for connecting an external terminal device.

[0006] Furthermore, it also includes a key module; the output end of the key module is connected to the key input end of the main control module; the power input end of the key module is connected to the output end of the power module.

[0007] Further, it is characterized in that the button module includes at least one button unit; the button unit includes a first resistor, a first capacitor and a first switch; one end of the first resistor is connected to the output end of the power supply module, and the other end of the first resistor is respectively connected to one end of the first capacitor, one end of the first switch and the button input end of the main control module; the other end of the first capacitor is connected to the other end of the first switch and is grounded.

[0008] Furthermore, the power supply module includes a power supply interface, a linear regulator and a first light-emitting diode; the input end of the power supply interface is used to connect an external power supply, and the output end of the power supply interface is connected to the power supply end of the linear regulator; the input end of the linear regulator is connected to the positive electrode of the first light-emitting diode, and the negative electrode of the first light-emitting diode is grounded; the input end of the linear regulator is connected to the power supply input end of the main control module and the power supply end of the multimeter detection module as a power supply output.

[0009] Furthermore, the buzzer module includes a second resistor, a third resistor, a speaker and a first transistor; one end of the second resistor is connected to the output end of the power supply module, and the other end of the second resistor is connected to the positive electrode of the speaker; the collector of the first transistor is connected to the negative electrode of the speaker, the base of the first transistor is connected to one end of the third resistor, and the emitter of the first transistor is grounded; the other end of the third resistor is connected to the alarm output end of the main control module.

[0010] Furthermore, it also includes an alarm status indicator light module; the alarm status indicator light module includes a fourth resistor, a fifth resistor, a second light-emitting diode and a second transistor; one end of the fourth resistor is connected to the output end of the power supply module, and the other end of the fourth resistor is connected to the positive electrode of the light-emitting diode; the collector of the second transistor is connected to the negative electrode of the second light-emitting diode, the base of the second transistor is connected to one end of the fifth resistor, and the emitter of the second transistor is grounded; the other end of the fifth resistor is connected to the alarm output end of the main control module.

[0011] Furthermore, it also includes a JTAG debugging interface; the JTAG debugging interface is connected to the debugging signal terminal of the main control module.

[0012] Furthermore, it also includes a camera interface; the camera interface is connected to the video signal end of the main control module.

[0013] Furthermore, it also includes a wireless communication module; the wireless communication module is connected to the data signal end of the main control module.

[0014] The beneficial effect of the utility model is that by arranging a serial port module on the device, the device can be connected to a terminal device such as a computer through the serial port module, so that after the multimeter detection module detects a change in gas concentration and transmits the data to the main control module, the main control module can control the buzzer module to sound an alarm, and at the same time transmit the gas concentration data to a terminal device such as a computer, so that the operating personnel can observe the alarm status of the device and the gas concentration change data based on the terminal device such as a computer in a safe environment, thereby ensuring the personal safety of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of a module with a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0016] Figure 2 This is a circuit diagram of a main control module in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0017] Figure 3 This is a circuit diagram of a multimeter detection module in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0018] Figure 4 This is a circuit diagram of a display module in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0019] Figure 5 This is a circuit diagram of a serial port module in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0020] Figure 6 This is a circuit diagram of a wireless communication module in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0021] Figure 7 This is a circuit diagram of a JTAG debugging interface in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0022] Figure 8 This is a circuit diagram of a camera interface in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0023] Fig. 9 This is a circuit diagram of a power module in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0024] Fig.10 This is a circuit diagram of a power module in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0025] Fig.11 This is a circuit diagram of a buzzer module in a sensor device capable of remote monitoring and alarming in an embodiment of the utility model;

[0026] Fig.12 This is a circuit diagram of an alarm status indicator light module in a sensor device capable of remotely monitoring an alarm in an embodiment of the utility model;

[0027] Description of labels:

[0028] 1. Multimeter detection module; 2. Main control module; 3. Power module; 4. Display module; 5. Buzzer module; 6. Serial port module; 7. Key module; 8. Alarm status indicator module; 9. JTAG debugging interface; 10. Camera interface; 11. Wireless communication module;

[0029] R11, first resistor; C17, first capacitor; KEY1, first switch;

[0030] USB2, power interface; U7, linear regulator; LED2, first light emitting diode;

[0031] R33, the second resistor; R36, the third resistor; BUZZER2, the speaker; Q1, the first transistor;

[0032] R34, the fourth resistor; R37, the fifth resistor; LED1, the second light emitting diode; Q2, the second transistor. DETAILED DESCRIPTION

[0033] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0034] Please refer to Figure 1 , a sensor device with remote monitoring and alarm, comprising a multimeter detection module, a main control module, a power module, a display module, a buzzer module and a serial port module; the wiring port of the multimeter detection module is connected to the gas-sensitive material, and the output end of the multimeter detection module is connected to the detection data input end of the main control module; the power supply output end of the power supply module is respectively connected to the power supply input end of the main control module and the power supply end of the multimeter detection module, and the input end of the power supply module is used to connect an external power supply; the signal output end of the display module is connected to the display input end of the main control module, and the input end of the display module is used as an interface for connecting a camera device; the signal input end of the buzzer module is connected to the alarm output end of the main control module; the output end of the serial port module is connected to the serial port input end of the main control module, and the input end of the serial port module is used as an interface for connecting an external terminal device.

[0035] From the above description, it can be seen that the beneficial effect of the utility model is that: by setting a serial port module on the device, the device can be connected to a terminal device such as a computer through the serial port module, so that after the multimeter detection module detects a change in gas concentration and transmits the data to the main control module, the main control module can control the buzzer module to sound an alarm, and at the same time transmit the gas concentration data to a terminal device such as a computer, so that the operating personnel can observe the alarm status of the device and the gas concentration change data based on a terminal device such as a computer in a safe environment, thereby ensuring the personal safety of the staff.

[0036] Furthermore, it also includes a key module; the output end of the key module is connected to the key input end of the main control module; the power input end of the key module is connected to the output end of the power module.

[0037] It can be seen from the above description that by adding a button module, functions such as setting the gas concentration threshold can be realized through buttons, which makes the operation of the device more convenient.

[0038] Further, it is characterized in that the button module includes at least one button unit; the button unit includes a first resistor, a first capacitor and a first switch; one end of the first resistor is connected to the output end of the power supply module, and the other end of the first resistor is respectively connected to one end of the first capacitor, one end of the first switch and the button input end of the main control module; the other end of the first capacitor is connected to the other end of the first switch and is grounded.

[0039] From the above description, it can be seen that by setting at least one button unit, multiple groups of button units can be set according to actual setting requirements to achieve different control functions; at the same time, a switch is used as a button, and the corresponding button function is achieved based on the closing and opening of the switch.

[0040] Furthermore, the power supply module includes a power supply interface, a linear regulator and a first light-emitting diode; the input end of the power supply interface is used to connect an external power supply, and the output end of the power supply interface is connected to the power supply end of the linear regulator; the input end of the linear regulator is connected to the positive electrode of the first light-emitting diode, and the negative electrode of the first light-emitting diode is grounded; the input end of the linear regulator is connected to the power supply input end of the main control module and the power supply end of the multimeter detection module as a power supply output.

[0041] From the above description, it can be seen that by setting a linear regulator, the power input from the power interface can be converted into the voltage required by other modules, thereby realizing the circuit function; at the same time, a light-emitting diode is also provided to intuitively display the current power output status.

[0042] Furthermore, the buzzer module includes a second resistor, a third resistor, a speaker and a first transistor; one end of the second resistor is connected to the output end of the power supply module, and the other end of the second resistor is connected to the positive electrode of the speaker; the collector of the first transistor is connected to the negative electrode of the speaker, the base of the first transistor is connected to one end of the third resistor, and the emitter of the first transistor is grounded; the other end of the third resistor is connected to the alarm output end of the main control module.

[0043] It can be seen from the above description that the buzzer module formed by the second resistor, the third resistor, the speaker and the first transistor can effectively control the speaker to sound based on the alarm signal sent by the main control module.

[0044] Furthermore, it also includes an alarm status indicator light module; the alarm status indicator light module includes a fourth resistor, a fifth resistor, a second light-emitting diode and a second transistor; one end of the fourth resistor is connected to the output end of the power supply module, and the other end of the fourth resistor is connected to the positive electrode of the light-emitting diode; the collector of the second transistor is connected to the negative electrode of the second light-emitting diode, the base of the second transistor is connected to one end of the fifth resistor, and the emitter of the second transistor is grounded; the other end of the fifth resistor is connected to the alarm output end of the main control module.

[0045] From the above description, it can be seen that the alarm status indicator light module formed by the fourth resistor, the fifth resistor, the second light emitting diode and the second transistor can effectively control the second light emitting diode to emit light based on the alarm signal sent by the main control module to indicate the existence of danger.

[0046] Furthermore, it also includes a JTAG debugging interface; the JTAG debugging interface is connected to the debugging signal terminal of the main control module.

[0047] It can be seen from the above description that by setting the JTAG debugging interface, the main control module can be debugged based on the JTAG debugging interface, so that the main control module can work stably and realize corresponding control functions.

[0048] Furthermore, it also includes a camera interface; the camera interface is connected to the video signal end of the main control module.

[0049] From the above description, it can be seen that by adding a camera interface, the main control module can be connected to the camera device to realize the monitoring of the environmental picture.

[0050] Furthermore, it also includes a wireless communication module; the wireless communication module is connected to the data signal end of the main control module.

[0051] It can be seen from the above description that by providing a wireless communication module, the main control module can perform data transmission with other devices based on the wireless communication module.

[0052] The sensor device with remote monitoring and alarm provided by the utility model can be applied to gas monitoring scenarios, such as coal power plants and other environments where gas concentration needs to be monitored. The following is an explanation through specific implementation methods:

[0053] Embodiment 1

[0054] Please refer to Figure 1 , a sensor device with remote monitoring alarm, including a multimeter detection module 1, a main control module 2, a power module 3, a display module 4, a buzzer module 5, a serial port module 6, a button module 7, an alarm status indicator module 8, a JTAG debugging interface 9, a camera interface 10 and a wireless communication module 11;

[0055] Please refer to Figures 2 to 5 , the connection ports (U5 and U6) of the multimeter detection module 1 are connected to the gas-sensitive material, the output end (SELECT) of the multimeter detection module 1 is connected to the detection data input end (SELECT) of the main control module 2; the power supply output end of the power supply module 3 is respectively connected to the power supply input end (VDD) of the main control module 2 and the power supply end (VCC) of the multimeter detection module 1, and the input end of the power supply module 3 is used to connect an external power supply; the signal output end of the display module 4 is connected to the display input end of the main control module 2, and the input end of the display module 4 is used as an interface for connecting a camera device; Figure 4 As shown, the display module 4 in this embodiment adopts an LCD interface, and is connected to the display screen device through the LCD interface to form the display module 4. The signal input end of the buzzer module 5 is connected to the alarm output end (BEEPER) of the main control module 2; the output end of the serial port module 6 is connected to the serial port input end of the main control module 2, and the input end of the serial port module 6 is used as an interface to connect to an external terminal device. Figure 5 As shown, the serial port module 6 in this embodiment includes a USB interface, a USB chip CH340C and a high-speed USB multiplexer chip RS2228 to realize the USB serial port function. The wireless communication module 11 is connected to the data signal end of the main control module 2; Figure 6 As shown, the wireless communication module 11 in this embodiment adopts WiFi communication and realizes the wireless communication function through the WiFi chip ESP82866.

[0056] In this embodiment, the circuit also includes a JTAG debugging interface 9 and a camera interface 10; please refer to Figure 7 , JTAG debugging interface 9 is connected to the debugging signal terminal of the main control module 2. Please refer to Figure 8, the camera interface 10 is connected to the video signal end of the main control module 2.

[0057] Please refer to Fig. 9 , the output end of the key module 7 is connected to the key input end of the main control module 2; the power input end of the key module 7 is connected to the output end of the power module 3. Wherein, the key module 7 includes at least one key unit; the key unit includes a first resistor R11, a first capacitor C17 and a first switch KEY1; one end of the first resistor R11 is connected to the output end of the power module 3, and the other end of the first resistor R11 is respectively connected to one end of the first capacitor C17, one end of the first switch KEY1 and the key input end of the main control module 2; the other end of the first capacitor C17 is connected to the other end of the first switch KEY1 and is grounded; Fig. 9 As shown, in this embodiment, a total of 6 groups of button units are provided to form 6 function buttons; among them, the function buttons up and down can adjust the warning value of the gas concentration, for example, up1 and down1 are used to adjust the first threshold TH1, up2 and down2 are used to adjust the second threshold TH2, and the alarm resistance value can be flexibly set; the WARING_SW function button is used as an alarm switch.

[0058] Please refer to Fig.10 The power module 3 includes a power interface USB2, a linear regulator U7 and a first light-emitting diode LED2; the input end of the power interface USB2 is used to connect an external power supply, and the output end of the power interface USB2 is connected to the power end of the linear regulator U7; the input end of the linear regulator U7 is connected to the positive electrode of the first light-emitting diode LED2, and the negative electrode of the first light-emitting diode LED2 is grounded; the input end of the linear regulator U7 is connected to the power supply input end of the main control module 2 and the power supply end of the multimeter detection module 1 as a power output.

[0059] Please refer to Fig.11 The buzzer module 5 includes a second resistor R33, a third resistor R36, a speaker BUZZER2 and a first transistor Q1; one end of the second resistor R33 is connected to the output end of the power supply module 3, and the other end of the second resistor R33 is connected to the positive electrode of the speaker BUZZER2; the collector of the first transistor Q1 is connected to the negative electrode of the speaker BUZZER2, the base of the first transistor Q1 is connected to one end of the third resistor R36, and the emitter of the first transistor Q1 is grounded; the other end of the third resistor R36 is connected to the alarm output end of the main control module 2.

[0060] Please refer to Fig.12The alarm status indicator light module 8 includes a fourth resistor R34, a fifth resistor R37, a second light emitting diode LED1 and a second triode Q2; one end of the fourth resistor R34 is connected to the output end of the power module 3, and the other end of the fourth resistor R34 is connected to the positive electrode of the light emitting diode; the collector of the second triode Q2 is connected to the negative electrode of the second light emitting diode LED1, the base of the second triode Q2 is connected to one end of the fifth resistor R37, and the emitter of the second triode Q2 is grounded; the other end of the fifth resistor R37 is connected to the alarm output end of the main control module 2. At the same time, the above circuit module also includes other components such as capacitors and resistors for making the circuit module work stably.

[0061] The working principle and use method of the sensor device with remote monitoring alarm in this embodiment are as follows:

[0062] The device is connected to external devices such as a computer terminal, a display and a camera through the serial port module 6, the camera interface 10 and the display module 4; and the power interface USB2 of the power module 3 is connected to the power adapter line to power on. After the device is powered on, a stable voltage (3.3V) is output through the linear regulator U7 to supply the multimeter detection module 1, the main control module 2 and other circuit modules; after the wiring ports (U5 and U6) of the multimeter detection module 1 are connected to the gas-sensitive material, the external gas concentration is detected; wherein, after the internal sensor wiring port is connected to the material, the detected resistance value is refreshed and displayed on the corresponding screen through the multimeter detection module 1.

[0063] When the external gas concentration changes, if the real-time resistance value is less than or greater than 20% of the set value TH1, the main control module 2 will control the buzzer module 5 to emit a buzzer sound, and control the alarm status indicator light module 8 to flash; or when the real-time resistance value is less than or greater than 20% of the set value TH2, control the buzzer sound and / or flashing. At the same time, the user can observe the changes in gas concentration on the PC side to achieve visual processing. According to different alarm values, the thresholds of TH1 and TH2 can be adjusted by buttons to meet the alarm requirements. For example, the user can record the resistance value measured in a normal environment by pressing the Record button in the function button, and use it as the initial reference resistance value; then adjust the warning values ​​of TH1 and TH2 by pressing the up and down buttons in the function button, and the alarm resistance value can be flexibly set.

[0064] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A sensor device with remote monitoring alarm, characterized in that: Including multimeter detection module, main control module, power module, display module, buzzer module and serial port module; The connection port of the multimeter detection module is connected to the gas-sensitive material, and the output end of the multimeter detection module is connected to the detection data input end of the main control module; The power supply output end of the power supply module is respectively connected to the power supply input end of the main control module and the power supply end of the multimeter detection module, and the input end of the power supply module is used to connect to an external power supply; The signal output end of the display module is connected to the display input end of the main control module, and the input end of the display module is used as an interface to connect to a camera device; The signal input terminal of the buzzer module is connected to the alarm output terminal of the main control module; The output end of the serial port module is connected to the serial port input end of the main control module, and the input end of the serial port module is used as an interface to connect to an external terminal device.

2. A sensor device with remote monitoring alarm according to claim 1, characterized in that: Also includes a key module; The output end of the button module is connected to the button input end of the main control module; The power input terminal of the key module is connected to the output terminal of the power module.

3. A sensor device with remote monitoring alarm according to claim 2, characterized in that: The key module includes at least one key unit; The button unit includes a first resistor, a first capacitor and a first switch; One end of the first resistor is connected to the output end of the power module, and the other end of the first resistor is respectively connected to one end of the first capacitor, one end of the first switch and the key input end of the main control module; The other end of the first capacitor is connected to the other end of the first switch and is grounded.

4. A sensor device with remote monitoring alarm according to claim 1, characterized in that: The power module includes a power interface, a linear regulator and a first light emitting diode; The input end of the power interface is used to connect to an external power source, and the output end of the power interface is connected to the power end of the linear regulator; The input end of the linear regulator is connected to the anode of the first light emitting diode, and the cathode of the first light emitting diode is grounded; The input end of the linear regulator is connected to the power supply input end of the main control module and the power supply end of the multimeter detection module as a power supply output.

5. A sensor device with remote monitoring alarm according to claim 1, characterized in that: The buzzer module includes a second resistor, a third resistor, a speaker and a first transistor; One end of the second resistor is connected to the output end of the power module, and the other end of the second resistor is connected to the positive electrode of the speaker; The collector of the first transistor is connected to the negative electrode of the speaker, the base of the first transistor is connected to one end of the third resistor, and the emitter of the first transistor is grounded; The other end of the third resistor is connected to the alarm output end of the main control module.

6. A sensor device with remote monitoring alarm according to claim 1, characterized in that: Also included is an alarm status indicator light module; The alarm status indicator light module includes a fourth resistor, a fifth resistor, a second light emitting diode and a second triode; One end of the fourth resistor is connected to the output end of the power module, and the other end of the fourth resistor is connected to the positive electrode of the light emitting diode; The collector of the second triode is connected to the cathode of the second light emitting diode, the base of the second triode is connected to one end of the fifth resistor, and the emitter of the second triode is grounded; The other end of the fifth resistor is connected to the alarm output end of the main control module.

7. A sensor device with remote monitoring alarm according to claim 1, characterized in that: Also includes a JTAG debug interface; The JTAG debugging interface is connected to the debugging signal terminal of the main control module.

8. A sensor device with remote monitoring alarm according to claim 1, characterized in that: Also includes camera interface; The camera interface is connected to the video signal end of the main control module.

9. A sensor device with remote monitoring alarm according to claim 1, characterized in that: Also included is a wireless communication module; The wireless communication module is connected to the data signal terminal of the main control module.

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