CN213399955U

CN213399955U - Intelligent gas calibration control bottom plate based on bus control

Info

Publication number: CN213399955U
Application number: CN202022601690.XU
Authority: CN
Inventors: 贾红生; 孔祥进
Original assignee: WUXI YUNGAN TECHNOLOGY CO LTD
Current assignee: WUXI YUNGAN TECHNOLOGY CO LTD
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-06-08
Anticipated expiration: 2030-11-11

Abstract

The utility model relates to the technical field of the thing networking, specifically disclose a gaseous control bottom plate of maring of intelligence based on bus control, including main control chip, power management device, the LCD screen, status indicator, bee calling organ, the digit sets up the button, preheating voltage sets up the button, set up the button when preheating, arrange the seat address and confirm the button, mark threshold value setting button, start flow button and a plurality of module row seat, main control chip respectively with power management device, the LCD screen, status indicator, bee calling organ, the digit sets up the button, preheating voltage sets up the button, set up the button when preheating, arrange the seat address and confirm the button, mark threshold value setting button and start flow key-connection, main control chip connects a plurality of module row seats, power management device connects a plurality of module row seats. The utility model provides a gaseous control bottom plate of maring of intelligence based on bus control reserves a plurality of module row seats, supports the multimode and marks simultaneously, and is efficient.

Description

Intelligent gas calibration control bottom plate based on bus control

Technical Field

The utility model relates to a thing networking technology field, more specifically relates to a gaseous control bottom plate of maring of intelligence based on bus control.

Background

Natural gas is an important infrastructure of modern cities, and with the continuous improvement of scientific technology, household gas equipment in residential communities gradually develops towards intellectualization and digitalization; liquefied gas, natural gas and the like have been widely used as clean energy in industrial and commercial industries and urban residential and residential users; the gas alarm is widely applied as a novel device in the gas industry.

At present, the gas alarm in the market has huge demand and various types, and a core component gas sensor module in the middle of the alarm needs to be subjected to production processes such as preheating, calibration, aging and the like before use; because various alarms such as methane, propane, carbon monoxide and the like adopt different sensor modules, the power supply voltage, the preheating days, the calibration threshold value and the aging duration are different; the traditional calibration mode is carried out singly, and the operation is complex and the efficiency is low.

Disclosure of Invention

The utility model aims at overcoming the not enough of existence among the prior art, providing a gaseous control bottom plate of maring of intelligence based on bus control, reserve a plurality of modules and arrange the seat, support the multimode piece to mark simultaneously, it is efficient.

As a first aspect of the utility model provides a gaseous control bottom plate of maring of intelligence based on bus control is provided, including main control chip, power management device, LCD LCD screen, status indicator lamp, bee calling organ, digit setting button, preheating voltage set up the button, set up the button when preheating, arrange the seat address and confirm the button, mark threshold value setting button, start flow button and a plurality of module row seat, wherein, main control chip respectively with power management device, LCD LCD screen, status indicator lamp, bee calling organ, digit setting button, preheating voltage set up the button, set up the button when preheating, arrange the seat address and confirm the button, mark the threshold value and set up the button and start flow key-connection, main control chip still arranges the seat through a plurality of modules of RS485 bus connection, power management device arranges the seat through a plurality of modules of power supply line connection.

Furthermore, a plurality of module row seats are communicated with each other through an RS485 bus.

Further, the model of the main control chip is FM33G 048.

Further, each of the module row seats includes a connector row seat P10 and a TTL conversion module CON10, a fifth pin of the connector row seat P10 is connected to a third pin of the TTL conversion module CON10, and a sixth pin of the connector row seat P10 is connected to a fourth pin of the TTL conversion module CON 10.

Furthermore, the power management device comprises a first filter capacitor C34, a second filter capacitor C35, a third filter capacitor C4, a fourth filter capacitor C5, a fifth filter capacitor C7, a first farad capacitor C42, a second farad capacitor C43 and a power stabilizing chip D1, wherein the input end of the power stabilizing chip D1 is connected with the first filter capacitor C34, the output end of the power stabilizing chip D1 is connected with the second filter capacitor C35, the first farad capacitor C42 is connected with the second farad capacitor C43, and the second farad capacitor C43 is respectively connected with the output end of the power stabilizing chip D1, the third filter capacitor C4, the fourth filter capacitor C5 and the fifth filter capacitor C7.

Further, the buzzer comprises a first resistor R30, a second resistor R31, an anti-reflection diode VD7, a triode Q4 and a loudspeaker, wherein the base electrode of the triode Q4 is respectively connected with the first resistor R30 and the second resistor R31, the collector electrode of the triode Q4 is respectively connected with the anti-reflection diode VD7 and the loudspeaker, and the emitter electrode of the triode Q is grounded.

The utility model provides a gaseous control bottom plate that marks of intelligence based on bus control has following advantage: (1) the method can support multi-gas calibration, such as methane, propane, carbon monoxide and the like, and has high compatibility and reusability; (2) in production, parameters such as different power supply voltages, preheating days, calibration thresholds, aging duration and the like can be set according to different gas sensors, intelligent production is realized, and the operation difficulty of workers is low; (3) a plurality of module row seats are reserved, so that simultaneous calibration of a plurality of modules is supported, and the efficiency is high; (4) the main control chip and the power supply management device are connected with the multi-module row seat, distribute addresses, and support simultaneous operation of multiple modules in cooperation with PC software.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is the utility model provides a gaseous calibration control bottom plate's of intelligence structural diagram based on bus control.

Fig. 2 is a circuit diagram of a module row seat provided by the present invention.

Fig. 3 is a circuit diagram of the power management device provided by the present invention.

Fig. 4 is a circuit diagram of the buzzer provided by the present invention.

Fig. 5 is a circuit diagram of the LCD panel provided by the present invention.

Fig. 6 is a circuit diagram of the key of the present invention.

Fig. 7 is a circuit diagram of the status indicator lamp provided by the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the objectives of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of the present invention for the specific embodiments, structures, features and effects of the intelligent gas calibration control bottom plate based on bus control according to the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the embodiment, an intelligent gas calibration control bottom plate based on bus control is provided, as shown in figure 1, the intelligent gas calibration control bottom plate based on bus control comprises a main control chip, a power management device, an LCD (liquid crystal display) screen, a status indicator lamp, a buzzer, a number setting key, a preheating voltage setting key, a preheating time length setting key, a row seat address confirmation key, a calibration threshold value setting key, a flow starting key and a plurality of module row seats, wherein the main control chip is respectively connected with the power management device, the LCD screen, the status indicator lamp, the buzzer, the number setting key, the preheating voltage setting key, the preheating duration setting key, the row seat address confirming key, the calibration threshold value setting key and the flow starting key, the main control chip is connected with a plurality of module row seats through an RS485 bus, and the power management device is connected with the module row seats through a power supply line.

Preferably, a plurality of module row seats are communicated with each other through an RS485 bus.

Preferably, the model of the main control chip is FM33G 048.

Preferably, as shown in fig. 2, each of the module row seats includes a connector row seat P10 and a TTL conversion module CON10, a fifth pin of the connector row seat P10 is connected to a third pin of the TTL conversion module CON10, and a sixth pin of the connector row seat P10 is connected to a fourth pin of the TTL conversion module CON 10; the connector row seat P10 is a connector row seat reserved for gas module calibration, a GND pin of the connector row seat is grounded, a VCC pin of the connector row seat is powered, and a TX1 pin and an RX1 pin are serial TTL level communication ends; TTL conversion module CON10 is 485 commentaries on classics serial ports TTL conversion module, and its GND pin is ground connection, and the VCC pin is the power supply, and A and B end are 485 communication interfaces, and this module is from taking the 485 address, links to each other with rear end external equipment.

Preferably, as shown in fig. 3, the power management device includes a first filter capacitor C34, a second filter capacitor C35, a third filter capacitor C4, a fourth filter capacitor C5, a fifth filter capacitor C7, a first farad capacitor C42, a second farad capacitor C43, and a power stabilizing chip D1, an input end of the power stabilizing chip D1 is connected to the first filter capacitor C34, an output end of the power stabilizing chip D1 is connected to the second filter capacitor C35, the first farad capacitor C42 is connected to the second farad capacitor C43, and the second farad capacitor C43 is connected to an output end of the power stabilizing chip D1, the third filter capacitor C4, the fourth filter capacitor C5, and the fifth filter capacitor C7, and is configured to stabilize a circuit voltage and prevent voltage fluctuation caused by power-up of the gas module.

Preferably, as shown in fig. 4, the buzzer comprises a first resistor R30, a second resistor R31, an anti-reflection diode VD7, a transistor Q4 and a horn, wherein the base of the transistor Q4 is connected to the first resistor R30 and the second resistor R31 respectively, the collector of the transistor Q4 is connected to the anti-reflection diode VD7 and the horn respectively, and the emitter of the transistor Q4 is grounded; during work, the pin of the control end of the LPUART _ RXD is set to be at a high level, the triode Q4 is conducted, and the buzzer works.

Preferably, as shown in fig. 5, the LCD panel includes a control pin LCD _ COM0-4 and a segment code pin LCD _ SEG12-3, which are well known to those skilled in the art and will not be described herein.

Preferably, as shown in fig. 6, the KEY includes a pull-up resistor R6, VCC3V3 and an interrupt trigger pin KEY INT, the KEY turns on X2, and the interrupt trigger pin KEY INT triggers the chip KEY to interrupt, which is well known to those skilled in the art and will not be described herein again.

Preferably, as shown in fig. 7, the status indicator light includes a control end LED1, a resistor R12, a resistor R15, a transistor Q1, a power supply end 3.3V, and a light emitting diode D7, wherein when the control end LED1 is set to a high level, the transistor Q1 is turned on, and the light emitting diode D7 operates, which is well known to those skilled in the art and will not be described herein.

The utility model provides a gaseous calibration control bottom plate's of intelligence working process based on bus control as follows:

when the intelligent control system starts to work, the main control chip detects the gas types of a plurality of module row seats according to own protocols, and respectively adjusts parameters such as preheating voltage, preheating duration, row seat addresses and calibration thresholds on the digital setting keys according to methane, propane or carbon monoxide and confirms the parameters on the corresponding keys;

clicking a start process button, controlling a power supply management device to start outputting voltage values corresponding to different gas sensor modules to a plurality of module row seats by a main control chip, supplying power to the plurality of module row seats, starting timing and bringing preheating time into the main control chip, starting displaying the countdown of the preheating time by an LCD (liquid crystal display) screen, and indicating that a state indicator lamp flickers corresponding frequency to indicate that the state indicator lamp is in a preheating state; if the parameter is set to be wrong, the LCD display screen displays the mistake, and the buzzer prompts the mistake;

after preheating is completed, the main control chip sends calibration commands of various concentrations to the plurality of module row seats through a 485 communication line according to external gas concentration changes to complete a calibration flow, and the main control chip controls the state indicator lamp to flash corresponding frequency to indicate that calibration is completed; if the command is failed to be sent, the LCD display screen displays errors, and the buzzer prompts errors;

and after the module calibration is finished, the main control chip starts power-on aging timing, controls the power management device to cut off the power supply when the aging process is finished, controls the state indicator lamp to indicate the test completion state of the module, and ends the batch module calibration process.

The utility model provides a gaseous control bottom plate of maring of intelligence based on bus control can be according to different types of gas sensor module, and different supply voltage is set for to intelligence, the number of days of preheating, when maring the threshold value, ageing, because the row seat of a plurality of modules has been reserved on the device to all use 485 bus connection and distribution address between each other, cooperation PC software, consequently can produce simultaneously in batches by a plurality of modules.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a gaseous control bottom plate that marks of intelligence based on bus control, its characterized in that, includes main control chip, power management device, LCD screen, status indicator lamp, bee calling organ, digit setting button, preheating voltage setting button, preheating duration setting button, row's seat address confirm the button, mark threshold value setting button, start flow button and a plurality of module row seat, wherein, main control chip respectively with power management device, LCD screen, status indicator lamp, bee calling organ, digit setting button, preheating voltage setting button, preheating duration setting button, row seat address confirm the button, mark threshold value setting button and start flow button connection, main control chip still arranges the seat through a plurality of modules of RS485 bus connection, power management device arranges the seat through a plurality of modules of power supply line connection.

2. The intelligent gas calibration control bottom plate based on bus control as claimed in claim 1, wherein a plurality of module row seats are communicated with each other through RS485 bus.

3. The intelligent gas calibration control backplane based on bus control as claimed in claim 1, wherein the type of the main control chip is FM33G 048.

4. The intelligent gas calibration control backplane based on bus control as claimed in claim 1, wherein each of said module row seats comprises a connector row seat P10 and a TTL conversion module CON10, wherein a fifth pin of said connector row seat P10 is connected to a third pin of said TTL conversion module CON10, and a sixth pin of said connector row seat P10 is connected to a fourth pin of said TTL conversion module CON 10.

5. The intelligent gas calibration control bottom plate based on bus control as claimed in claim 1, wherein the power management device comprises a first filter capacitor C34, a second filter capacitor C35, a third filter capacitor C4, a fourth filter capacitor C5, a fifth filter capacitor C7, a first farad capacitor C42, a second farad capacitor C43, and a power stabilizing chip D1, an input end of the power stabilizing chip D1 is connected to the first filter capacitor C34, an output end of the power stabilizing chip D1 is connected to the second filter capacitor C35, the first farad capacitor C42 is connected to the second farad capacitor C43, and the second farad capacitor C43 is connected to an output end of the power stabilizing chip D1, the third filter capacitor C4, the fourth filter capacitor C5, and the fifth filter capacitor C7, respectively.

6. The intelligent gas calibration control bottom plate based on bus control as claimed in claim 1, wherein the buzzer comprises a first resistor R30, a second resistor R31, an anti-reflection diode VD7, a triode Q4 and a horn, the base of the triode Q4 is respectively connected with the first resistor R30 and the second resistor R31, the collector of the triode Q4 is respectively connected with the anti-reflection diode VD7 and the horn, and the emitter of the triode Q is grounded.