CN210514246U - Wireless remote gas monitoring alarm device - Google Patents
Wireless remote gas monitoring alarm device Download PDFInfo
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- CN210514246U CN210514246U CN201921254799.1U CN201921254799U CN210514246U CN 210514246 U CN210514246 U CN 210514246U CN 201921254799 U CN201921254799 U CN 201921254799U CN 210514246 U CN210514246 U CN 210514246U
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Abstract
The utility model provides a wireless long-range gas monitoring alarm device, alarm device includes the shell, the protecgulum, the mounting panel, the circuit board, the display screen mounting panel, display screen and master controller, the protecgulum passes through rotary mechanism and installs on the shell, mounting panel fixed mounting is in the shell, the fixed couple that is provided with on the mounting panel, the circuit board articulates on the couple, display screen mounting panel fixed mounting is on the circuit board, master controller fixed mounting is on the circuit board, display screen fixed mounting is on the display screen mounting panel, the through-hole has been seted up corresponding to display screen position department on the protecgulum, the inboard fixed mounting of protecgulum has the protection shield, the protecgulum outside is corresponding to through-hole position department fixed mounting has the panel, fixed mounting has button and pilot lamp on the display screen. The utility model discloses a special structural design can make overall structure compacter, exquisite, and the volume is littleer. The utility model discloses a GPRS and network interface can realize the remote monitoring of data.
Description
Technical Field
The utility model discloses a gas monitoring device, especially a wireless long-range gas monitoring alarm device.
Background
The gas monitor is an atmospheric environment detection instrument, and is generally used in transportation, environmental protection, safety supervision and other departments for monitoring atmospheric conditions in certain specific areas. The conventional gas monitor is large in size and is usually fixedly installed at a certain specific position, the display on the monitor displays the air quality, detection parameters and the like, if specific conditions are required to be known, the gas monitor can only be used for watching on site or reading data through a storage card, and the use is not convenient enough. In addition, the existing gas monitoring devices are all atmospheric environment monitoring devices which are complex in structure and large in size, and bring inconvenience to installation and transportation.
Disclosure of Invention
To the complicated shortcoming of the gaseous monitoring devices structure among the above-mentioned prior art, the utility model provides a wireless long-range gaseous monitoring alarm device, it adopts special structural design, can make overall structure compacter, exquisite.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a wireless long-range gas monitoring alarm device, alarm device includes the shell, the protecgulum, the mounting panel, the circuit board, the display screen mounting panel, display screen and master controller, the protecgulum passes through rotary mechanism and installs on the shell, mounting panel fixed mounting is in the shell, the fixed couple that is provided with on the mounting panel, the circuit board articulates on the couple, display screen mounting panel fixed mounting is on the circuit board, master controller fixed mounting is on the circuit board, display screen fixed mounting is on the display screen mounting panel, the through-hole has been seted up corresponding to the display screen position department on the protecgulum, the inboard fixed mounting of protecgulum has the protection shield, the protecgulum outside corresponds to through-hole position department fixed mounting has the panel, fixed mounting has button and pilot lamp on the display screen mounting panel, the through-hole has been seted up corresponding, The GPRS unit is connected to the central control unit, the LCD interface is connected to the central control unit, the Ethernet unit is connected to the central control unit, the network interface is connected to the Ethernet unit, the input interface unit is connected to the central control unit, the digital signal input unit is connected to the central control unit, and the power supply unit is used for supplying power.
The utility model provides a technical scheme that its technical problem adopted further still includes:
the front cover is provided with a groove on the outer side, and the panel is arranged in the groove.
The bottom of the shell is fixedly provided with a line interface, and the side surface of the shell is provided with a door lock.
The waterproof groove is fixedly arranged around the opening of the shell and adopts a flanging structure.
The input unit is provided with 8 current signal input interfaces for inputting 4-20 mA, the digital signal input unit is provided with 8 input interfaces, each input interface is connected with a current-limiting resistor in series, and each input interface is connected with a photoelectric coupler.
The central control unit is connected with a USB-to-serial port unit, the USB-to-serial port unit comprises a USB-to-serial port chip and a MICRO _ USB interface, the MICRO _ USB interface is connected to the USB-to-serial port chip, the USB-to-serial port chip is connected with the central control module through a serial interface, the central control unit is connected with a USB interface, and a USB drive chip is directly connected to a USB pin of the central control unit.
The central control unit is connected with a TF card unit, the TF card unit adopts a MICRO-SD card interface, and data of the MICRO-SD card interface are connected with a positive power supply through pull-up resistors respectively.
The central control unit is connected with an MOS tube Q2, the buzzer is grounded through an MOS tube Q2, the central control unit is connected with an MOS tube Q11, and the alarm interface is grounded through an MOS tube Q11.
The central control unit is connected with an active relay K2 and a passive relay K1, and the on-off of the active relay K2 and the passive relay K1 is controlled through the central control unit.
The power supply unit include lithium cell, battery charging unit and voltage stabilizing unit, the battery charging unit is connected on the lithium cell, voltage stabilizing unit includes 3.8V voltage stabilizing unit and 3.3V voltage stabilizing unit, the lithium cell is connected with 3.8V voltage stabilizing unit and 3.3V voltage stabilizing unit respectively.
The utility model has the advantages that: the utility model discloses a special structural design can make overall structure compacter, exquisite, and the volume is littleer. The utility model discloses a GPRS and network interface can realize the remote monitoring of data.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the present invention.
Fig. 2 is a schematic view of the structure of the utility model in an exploded state.
Fig. 3 is a block diagram of the circuit of the present invention.
Fig. 4 is a schematic circuit diagram of the middle main control part of the present invention.
Fig. 5 is a schematic diagram of a part of a circuit of a controller according to the present invention (the contents are many, the figures and the characters are not clear enough, the figure is intended to show a general circuit structure, and each part in the figure will be shown in detail by separating a plurality of figures).
Fig. 6 is the utility model discloses well ethernet control chip part circuit schematic.
Fig. 7 is a schematic diagram of a part of a GPRS circuit according to the present invention.
Fig. 8 is a schematic circuit diagram of the middle test key portion of the present invention.
Fig. 9 is a schematic diagram of a circuit of a portion of the indicating lamp of the present invention.
Fig. 10 is a schematic circuit diagram of the FLASH memory of the present invention.
Fig. 11 is a schematic circuit diagram of the EEPROM memory of the present invention.
Fig. 12 is a schematic diagram of a part of the circuit of the TF card of the present invention.
Fig. 13 is a schematic circuit diagram of the interface portion of the LCD according to the present invention.
Fig. 14 is a schematic circuit diagram of the interface part of the network interface according to the present invention.
Fig. 15 is a schematic diagram of the RS-485 circuit connected to the controller according to the present invention.
Fig. 16 is a schematic diagram of the RS-485 part of the circuit connected to the instrument according to the present invention.
Fig. 17 is a schematic circuit diagram of a part of the buzzer of the present invention.
Fig. 18 is a schematic circuit diagram of a part of the alarm of the present invention.
Fig. 19 is a schematic circuit diagram of a part of the USB adapter of the present invention.
Fig. 20 is a schematic circuit diagram of the current input part of the present invention.
Fig. 21 is a schematic diagram of the power supply and peripheral circuit of the present invention (the contents are many, the graphic and text display is not clear, the figure is intended to show the general circuit structure, and the following drawings are separated to show each part in the figure in detail).
Fig. 22 is a schematic diagram of a circuit of the input interface part of the 24V power supply of the present invention.
Fig. 23 is a schematic circuit diagram of a 24V-5V power conversion part of the present invention.
Fig. 24 is a schematic circuit diagram of the middle 5V output part of the present invention.
Fig. 25 is a schematic diagram of a part of the circuit simulating 3.3V in the present invention.
Fig. 26 is a schematic circuit diagram of a part of the low dropout linear regulator of the present invention.
Fig. 27 is a schematic diagram of a 5V-3.8V partial circuit of the present invention.
Fig. 28 is a schematic diagram of a charging part of the battery according to the present invention.
Fig. 29 is a schematic circuit diagram of the digital signal input part of the present invention.
Fig. 30 is a schematic circuit diagram of a USB interface portion according to the present invention.
Fig. 31 is a schematic circuit diagram of a battery voltage detecting portion of the present invention.
Fig. 32 is a schematic diagram of the RS-485 circuit connected to the LED screen according to the present invention.
Fig. 33 is a schematic circuit diagram of a part of the passive relay of the present invention.
Fig. 34 is a schematic circuit diagram of a part of the active relay of the present invention.
In the figure, 1-a shell, 2-a front cover, 3-a panel, 4-a display screen, 5-a button, 6-an indicator light, 7-a line interface, 8-a door lock, 9-a main controller, 10-a groove, 11-a protection board, 12-a mounting board, 13-a circuit board, 14-a display screen mounting board, 15-a hook and 16-a waterproof groove.
Detailed Description
The embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the embodiment, and are within the protection scope of the present invention.
Please refer to fig. 1 and fig. 2 in combination, the utility model mainly comprises a housing 1, a front cover 2, a mounting plate 12, a circuit board 13, a display screen mounting plate 14, a display screen 4 and a main controller 9, wherein the front cover 2 is mounted on the housing 1 through a rotating mechanism, so that the front cover can rotate along the rotating mechanism, thereby realizing the door opening and closing effect, the mounting plate 12 is fixedly mounted in the housing 1, a hook 15 is fixedly arranged on the mounting plate 12, the circuit board 13 is hung on the hook 15, thereby facilitating the mounting and dismounting, the display screen mounting plate 14 is fixedly mounted on the circuit board 13, the main controller 9 is fixedly mounted on the circuit board 13, the display screen 4 is fixedly mounted on the display screen mounting plate 14, a through hole is arranged on the front cover 2 corresponding to the position of the display screen 4, a protection plate 11 is fixedly mounted on the inner side of the front cover 2, thereby protecting the display screen 4, the outer side of the front cover 2 is provided with a groove 10, and the panel 3 is arranged in the groove 10. In this embodiment, the display screen mounting plate 14 is fixedly provided with the button 5 and the indicator lamp 6, and the front cover 2 is provided with through holes corresponding to the button 5 and the indicator lamp 6.
In this embodiment, shell 1 bottom fixed mounting has circuit interface 7 for input power gives the utility model discloses the power supply. A door lock 8 is installed on the side of the housing 1 for locking the front cover 2.
In this embodiment, fixed waterproof groove 16 that is provided with all around of 1 opening part of shell, waterproof groove 16 adopts turn-ups structure, wholly be "concave" font, 1 opening part of shell inwards buckles promptly, then buckle forward again, outwards buckle at last, form waterproof groove 16, when current lid 2 lid was on shell 1, 2 fenders of protecgulum are in waterproof groove 16 departments, can make the water of infiltration between protecgulum 2 and the shell 1 flow away along waterproof groove 16, make it can not flow into in the shell 1, thereby reach waterproof effect.
The main controller 9 is provided with a control circuit, please refer to fig. 3 to fig. 34 in combination, the control circuit mainly comprises a central control unit, a GPRS unit, an LCD interface, an ethernet unit, a network interface, an input interface unit, a digital signal input unit and a power supply unit, the GPRS unit is connected to the central control unit for GPRS communication, the LCD interface is connected to the central control unit, the central control unit outputs a display signal to the LCD interface and outputs the display signal to the display screen 4 through the LCD interface, the ethernet unit is connected to the central control unit, the network interface is connected to the ethernet unit for network connection with an upper computer through the network interface, thereby realizing network communication, the input interface unit is connected to the central control unit for external sensor signal input, the digital signal input unit is connected to the central control unit for external digital signal input, the power supply unit is used for supplying power.
In this embodiment, the central control unit adopts a single chip microcomputer with the model of STM32_ TQFP144, and during specific implementation, single chip microcomputers with other models can also be adopted. The GPRS unit is externally connected with a GPRS module, and wireless network communication can be carried out through GPRS. The Ethernet unit adopts an Ethernet communication chip with the model W5500, and the network interface is connected to the Ethernet unit. The input unit is provided with 8 input interfaces, 4-20 mA current signals are directly input respectively, the corresponding interface of the central control unit has an ADC function, the digital signal input unit is provided with 8 input interfaces, a current-limiting resistor is connected in series on each input interface, a photoelectric coupler is connected on each input interface, and the photoelectric coupler is isolated from the rear end to prevent damage.
In this embodiment, the central control unit is connected with a USB-to-serial port unit, the USB-to-serial port unit includes a USB-to-serial port chip and a MICRO _ USB interface, the MICRO _ USB interface is connected to the USB-to-serial port chip, the USB-to-serial port chip is connected to the central control module through a serial port, and the USB-to-serial port chip is a USB-to-serial port chip with a model CH 340E.
In this embodiment, the central control unit is connected to a USB interface, the USB interface uses a USB driver chip of USB lc6, and the USB driver chip is directly connected to a USB pin of the central control unit.
In this embodiment, the central control unit is connected with three RS-485 interfaces, which are respectively connected with the upper computer, the detection instrument and the LED display screen, and the RS-485 interface adopts a driving chip with model number SP 3485.
In this embodiment, the central control unit is connected with a TF card unit for inserting a TF card, the TF card is used as a memory card, the TF card unit uses a MICRO-SD card interface, the MICRO-SD card interface is directly connected to the central control unit, and data of the MICRO-SD card interface is connected to a positive power supply through pull-up resistors.
In this embodiment, the central control unit is connected with a test key, and the test key uses a contact switch for inputting a test signal.
In this embodiment, the central control unit is connected with a MOS transistor Q2, the buzzer is grounded through a MOS transistor Q2, the central control unit can control the on/off of the MOS transistor Q2, and the MOS transistor Q2 can control the operation of the buzzer. In this embodiment, the central control unit is connected with an MOS transistor Q11, the alarm interface is grounded through an MOS transistor Q11, the central control unit can control the on-off of the MOS transistor Q11, and the operation of the alarm is controlled through an MOS transistor Q11.
In this embodiment, the central control unit is connected to a FLASH memory and an EEPROM memory for storing data.
In this embodiment, be connected with battery voltage detecting element on the central control unit, battery voltage detecting element adopts the small-size singlechip that has the ADC interface, controls battery voltage input through divider resistance, detects battery voltage.
In this embodiment, the central control unit is connected with an active relay K2 and a passive relay K1, and the central control unit controls the on-off of the active relay K2 and the passive relay K1 so as to control external components connected to the active relay K2 and the passive relay K1.
In this embodiment, the power supply unit includes a lithium battery, a battery charging unit and a voltage stabilizing unit, the battery charging unit is connected to the lithium battery, the external power source is converted into a charging voltage by the battery charging unit to charge the battery, in this embodiment, the battery charging unit adopts a charging chip of a multi-type lithium battery or a lithium iron phosphate battery with the model number of SLM6900, which can convert an external 24V power supply into +16.8V power supply to charge a lithium battery, the voltage stabilizing unit comprises a 3.8V voltage stabilizing unit and a 3.3V voltage stabilizing unit, the output of the lithium battery is the +5V power supply, the voltage is converted into 3.8V by the 3.8V voltage-stabilizing unit, and the GPRS unit is powered by the voltage-stabilizing unit, in this embodiment, the 3.8V voltage-stabilizing unit adopts the voltage-stabilizing chip whose model is SY8113B, the +5V power supply 3.3V voltage-stabilizing unit output by the lithium battery is converted into 3.3V to supply power for other power consumption units, and the 3.3V voltage-stabilizing unit adopts the voltage-stabilizing chip whose model is TPS 73733. In this embodiment, the power supply unit further includes a 24V-5V conversion unit, and the 24V-5V conversion unit directly converts an external 24V power supply into 5V power supply by using a voltage stabilization chip with a model number of MP1584 EN.
The utility model discloses a special structural design can make overall structure compacter, exquisite, and the volume is littleer. The utility model discloses a GPRS and network interface can realize the remote monitoring of data.
Claims (10)
1. The utility model provides a wireless long-range gas monitoring alarm device which characterized by: the alarm device comprises a shell, a front cover, a mounting plate, a circuit board, a display screen mounting plate, a display screen and a main controller, wherein the front cover is installed on the shell through a rotating mechanism, the mounting plate is fixedly installed in the shell, a hook is fixedly arranged on the mounting plate, the circuit board is hung on the hook, the display screen mounting plate is fixedly installed on the circuit board, the main controller is fixedly installed on the circuit board, the display screen is fixedly installed on the display screen mounting plate, a through hole is formed in the front cover corresponding to the position of the display screen, a protection plate is fixedly installed on the inner side of the front cover, a panel is fixedly installed on the outer side of the front cover corresponding to the position of the through hole, a button and an indicator lamp are fixedly installed on the display screen mounting plate, a through hole is formed in the front cover corresponding to the position of the button, The GPRS unit is connected to the central control unit, the LCD interface is connected to the central control unit, the Ethernet unit is connected to the central control unit, the network interface is connected to the Ethernet unit, the input interface unit is connected to the central control unit, the digital signal input unit is connected to the central control unit, and the power supply unit is used for supplying power.
2. The wireless remote gas monitoring alarm device of claim 1, wherein: the front cover is provided with a groove on the outer side, and the panel is arranged in the groove.
3. The wireless remote gas monitoring alarm device of claim 1, wherein: the bottom of the shell is fixedly provided with a line interface, and the side surface of the shell is provided with a door lock.
4. The wireless remote gas monitoring alarm device of claim 1, wherein: the waterproof groove is fixedly arranged around the opening of the shell and adopts a flanging structure.
5. The wireless remote gas monitoring alarm device of claim 1, wherein: the input unit is provided with 8 current signal input interfaces for inputting 4-20 mA, the digital signal input unit is provided with 8 input interfaces, each input interface is connected with a current-limiting resistor in series, and each input interface is connected with a photoelectric coupler.
6. The wireless remote gas monitoring alarm device of claim 1, wherein: the central control unit is connected with a USB-to-serial port unit, the USB-to-serial port unit comprises a USB-to-serial port chip and a MICRO _ USB interface, the MICRO _ USB interface is connected to the USB-to-serial port chip, the USB-to-serial port chip is connected with the central control module through a serial interface, the central control unit is connected with a USB interface, and a USB drive chip is directly connected to a USB pin of the central control unit.
7. The wireless remote gas monitoring alarm device of claim 1, wherein: the central control unit is connected with a TF card unit, the TF card unit adopts a MICRO-SD card interface, and data of the MICRO-SD card interface are connected with a positive power supply through pull-up resistors respectively.
8. The wireless remote gas monitoring alarm device of claim 1, wherein: the central control unit is connected with an MOS tube Q2, the buzzer is grounded through an MOS tube Q2, the central control unit is connected with an MOS tube Q11, and the alarm interface is grounded through an MOS tube Q11.
9. The wireless remote gas monitoring alarm device of claim 1, wherein: the central control unit is connected with an active relay K2 and a passive relay K1, and the on-off of the active relay K2 and the passive relay K1 is controlled through the central control unit.
10. The wireless remote gas monitoring alarm device of claim 1, wherein: the power supply unit include lithium cell, battery charging unit and voltage stabilizing unit, the battery charging unit is connected on the lithium cell, voltage stabilizing unit includes 3.8V voltage stabilizing unit and 3.3V voltage stabilizing unit, the lithium cell is connected with 3.8V voltage stabilizing unit and 3.3V voltage stabilizing unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921254799.1U CN210514246U (en) | 2019-08-05 | 2019-08-05 | Wireless remote gas monitoring alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921254799.1U CN210514246U (en) | 2019-08-05 | 2019-08-05 | Wireless remote gas monitoring alarm device |
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| Publication Number | Publication Date |
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| CN210514246U true CN210514246U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921254799.1U Active CN210514246U (en) | 2019-08-05 | 2019-08-05 | Wireless remote gas monitoring alarm device |
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| CN (1) | CN210514246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185239A1 (en) * | 2022-03-29 | 2023-10-05 | 深圳市道通合创数字能源有限公司 | Charging pile |
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2019
- 2019-08-05 CN CN201921254799.1U patent/CN210514246U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185239A1 (en) * | 2022-03-29 | 2023-10-05 | 深圳市道通合创数字能源有限公司 | Charging pile |
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