CN217304054U - Gas flowmeter acquisition terminal capable of acquiring in multiple ways - Google Patents

Abstract

The application relates to a gas flowmeter acquisition terminal that can multichannel gather relates to gas check out test set's technical field. This terminal includes the casing, establishes circuit board and the detecting system inside the casing, detecting system includes: the power supply module comprises a main power supply and a standby power supply and is used for providing power supply; the processing module is used for processing the detection information received by the information receiving module so as to convert the detection signal into a human-readable form; the communication module is used for connecting the multi-path gas flowmeter; and the display module is used for displaying the detection types output by the gas flow meters and the corresponding detection monitoring values. The method and the device have the effects of improving the meter reading efficiency and reducing the operation and maintenance cost of enterprises.

Description

Gas flowmeter acquisition terminal capable of acquiring in multiple ways

Technical Field

The application relates to the technical field of gas detection equipment, in particular to a gas flowmeter acquisition terminal capable of multi-path acquisition.

Background

A gas meter is a type of gas meter that many users use. In order to count the gas fee used by the user every month, the gas supplier needs to arrange personnel to read the meter on site every month; most of the existing gas meters are manually read, but the manual reading mode has low efficiency, errors are easy to occur in the manual reading process, and the manual cost is high, so that the operation cost of an enterprise is high; some modes of checking meter are bluetooth or NFC meter reading in addition, and this needs to be used for matching the butt joint through cell-phone APP and gas flowmeter to need in the gas user fixed time point sends gas flowmeter's testing result to the server of relevant enterprise by oneself, this will bring inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of checking meter, reduce the operation maintenance cost of enterprise, this application provides a gas flowmeter acquisition terminal that can multichannel gather.

The application provides a but gas flowmeter acquisition terminal of multichannel collection adopts following technical scheme:

the utility model provides a but gas flowmeter acquisition terminal of multichannel collection, includes the casing, establishes circuit board and detecting system inside the casing, detecting system includes:

the power supply module comprises a main power supply and a standby power supply and is used for providing power supply;

the processing module is used for processing the detection information received by the information receiving module so as to convert the detection signal into a form of characters or numbers;

the communication module is used for connecting the multi-path gas flowmeters and acquiring data information detected by each gas flowmeter, and the data information detected by the gas flowmeters comprises standard condition accumulated flow, surplus, standard condition flow, working condition flow, temperature information and pressure information; and

and the display module is used for displaying the detection types output by the gas flow meters and the corresponding detection monitoring values.

Optionally, the communication module includes an RS485 communication unit, and the RS485 communication unit is connected to the signal output end of the multi-channel gas flowmeter through a communication cable.

Optionally, the communication module includes a wireless network transmission unit, a card slot for inserting an SIM card is disposed on the circuit board, and the wireless network transmission unit includes a 4G network or a 5G network.

Optionally, the detection system further includes an alarm module, and the alarm module is configured to send an alarm signal after receiving the abnormal signal.

Optionally, the housing is an explosion-proof housing, and a through hole for passing a cable is formed in the housing.

Optionally, a power button is arranged on the housing, connected to the power module, and used for connecting and disconnecting the power module.

Optionally, the detection system further includes a clock module, and the clock module is configured to send the processed data information at regular time.

Optionally, the detection system further includes a storage module, configured to store data information output by each gas flowmeter and detected time information.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the communication module's setting on the acquisition terminal can be connected all gas flowmeter in a certain region to gather the data information that each flowmeter detected out, and send each gas flowmeter's collection information to the server by oneself through processing module and communication module's effect, the loaded down with trivial details process of reducible staff on-the-spot meter reading improves the degree of accuracy of checking meter, reduces the fortune dimension cost of enterprise.

2. In the power module on the acquisition terminal, the main power supply and the standby power supply are arranged, so that the acquisition terminal can be always in a power-on state, the acquisition of detection data of each gas flowmeter at any time point can be realized, and the loss of the remote detection function due to power failure is reduced.

Drawings

Fig. 1 is a schematic cross-sectional overall structure provided in an embodiment of the present application.

Fig. 2 is a system block diagram of a detection system according to an embodiment of the present application.

Reference numerals: 1. a housing; 11. a through hole; 12. a button; 2. a circuit board; 31. a processing module; 32. a communication module; 321. an RS485 communication unit; 322. a wireless network transmission unit; 323. a transmitting antenna; 33. a display module; 34. a power supply module; 341. a main power supply; 342. a standby power supply; 35. a clock module; 36. a storage module; 37. and an alarm module.

Detailed Description

The technical solutions in the present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses gas flowmeter collection terminal that can multichannel gather. Referring to fig. 1, the acquisition terminal includes a housing 1, a circuit board 2 disposed inside the housing 1, and a detection system connected to the circuit board 2. Wherein, the shell 1 is an explosion-proof shell, namely, the shell 1 is fixedly connected by adopting materials such as cast aluminum or carbon steel and the like to form a hollow shell 1; the casing 1 is provided with an observation window and a through hole 11 for the cable to pass through.

Referring to fig. 2, the detection system includes a processing module 31, a communication module 32, a display module 33, a power module 34, a clock module 35, a storage module 36, and an alarm module 37.

And the processing module 31 is configured to process the detection information received by the information receiving module to convert the detection signal into a text or digital format. The processing module 31 may be an MPU, an MCU, or a single chip microcomputer, which can receive and process corresponding operating instructions, for example, the processing module 31 is an STM32 type microcontroller, which has lower power consumption, higher integration level and higher compatibility, and can adapt to gas flow meters of different types while having good performance.

And the communication module 32 comprises an RS485 communication unit 321 for connecting the multi-path gas flowmeter. For example, in the same building, all the gas flow meters in the building can be connected through communication cables, and the terminals of the communication cables are connected to the RS485 communication unit 321, so as to collect the information detected by all the gas flow meters, where the data information detected by the gas flow meters includes standard condition accumulated flow, residual quantity, standard condition flow, operating condition flow, ambient temperature information, and gas pressure information. The communication module 32 further includes a wireless network transmission unit 322, the circuit board 2 is provided with a card slot for inserting a SIM card, the wireless network transmission unit 322 may be a 4G network or a 5G network, the communication module 32 is further electrically connected with a transmitting antenna 323, and the transmitting antenna 323 is fixedly arranged on the upper portion outside the housing 1. After the processing module 31 processes the signals collected by each gas flowmeter, the signals are sent to the cloud server through the 4G network or the 5G network, relevant workers can remotely monitor various information detected by each gas flowmeter, and the complex process that the workers are in person on site to read meters is avoided.

The display module 33 is used for displaying the detection types and the corresponding detection monitoring values output by the gas flow meters, and the display module 33 can be an electronic display screen, such as a digital tube display screen or a liquid crystal display screen, and is electrically connected with the processing module 31; the shell is provided with an observation window, and the observation window is just opposite to the display module 33, so that a worker can check the detection information of each gas flowmeter on the spot through the display module 33, and the phenomenon that the communication module 32 fails due to network failure or interference is prevented.

The power module 34 includes a main power source 341 and a backup power source 342. The main power source 341 is a rectifier filter circuit, and is configured to convert an incoming ac mains supply into a dc power and provide a power supply to other modules in the acquisition terminal; the standby power source 342 is a storage battery, and under the condition of normal power-on, the mains supply continuously supplies power to the storage battery, and after the power failure occurs, the standby power source 342 can supply power to other modules in the acquisition terminal, so that the phenomena of detection and networking function loss caused by power failure can be reduced.

Referring to fig. 1 and 2, the power module 34 further includes a power button 12 for turning on and off the power module 34, and the power button 12 is used to turn off the power of the acquisition terminal, so that the acquisition terminal is convenient for workers to align for installation and wiring, and the life health of the installation workers is prevented from being threatened by higher voltage; the power module 34 is powered on or off through the power button 12, so that the acquisition terminal can be conveniently debugged by workers, and the running reliability of the equipment is improved.

Alarm module 37, including the warning light, be used for sending alarm signal after receiving abnormal signal, the warning light is controlled through processing module 31, for example after taking place the outage, when stand-by power supply 342 gets into operating condition, or can not receive part or whole gas flowmeter's detected data, send alarm signal, and instruct with different colours, processing module 31 passes through communication module 32 remote transmission with unusual reason in the high in the clouds database simultaneously, can make the staff can remote monitoring to various abnormal conditions.

And the clock module 35 is connected with the processing module 31, and the clock module 35 can adopt a clock chip of a DS1302 model, has a main power supply 341/backup power supply dual power supply pin, can correspond to the main power supply 341 and the backup power supply 342 of the power module 34, and is mainly used for providing a timing clock and a time recording function. For example, the acquisition terminal is set to transmit the processed data information through a specific time point or a time period with fixed intervals, and the data information and the time information for acquiring the data are synchronously transmitted, so that when a worker checks the data acquired by each gas flowmeter, the worker corresponds to the acquired time.

And the storage module 36 is connected with the processing module 31 and comprises a ferroelectric random access memory of FM24CL64 model and is used for storing the data information output by each gas flowmeter and the detected time information in real time. Ferroelectric random access memory is nonvolatile and can be read and written as fast as RAM. The data in FM24CL64 may be stored for 45 years after power is lost. Compared with an EEPROM or other nonvolatile memories, the FM24CL64 has many advantages, such as simpler structure and higher system reliability.

The implementation principle of the embodiment of the application is as follows: when the acquisition terminal is used, data information detected by a plurality of gas flowmeters can be acquired in real time through the communication module 32, the data information corresponds to detection time through the clock module 35, and the received detection information is processed by the processing module 31 and then stored in the storage module 36 and can be displayed in the display module 33 in a rolling manner; the communication module 32 may send the data information in the storage module 36 to the cloud server, so that the relevant staff can remotely monitor the detection information of multiple gas flow meters.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (5)

1. The utility model provides a but gas flowmeter acquisition terminal of multichannel collection which characterized in that, includes the casing, establishes circuit board and detecting system inside the casing, detecting system includes:

the power supply module comprises a main power supply and a standby power supply and is used for providing power supply;

the processing module is used for processing the detection information received by the information receiving module so as to convert the detection signal into a digital or character form;

the communication module is used for connecting the multi-path gas flowmeters and acquiring data information detected by each gas flowmeter, and the data information detected by the gas flowmeters comprises standard condition accumulated flow, surplus, standard condition flow, working condition flow, temperature information and pressure information;

the display module is used for displaying the detection types output by the gas flow meters and the corresponding detection monitoring values;

the alarm module is used for sending out an alarm signal after receiving the abnormal signal;

the clock module is used for sending the processed data information at regular time; and

and the storage module is used for storing the data information and the detected time information output by each gas flowmeter.

2. The gas flowmeter acquisition terminal capable of multi-path acquisition according to claim 1, characterized in that: the communication module comprises an RS485 communication unit, and the RS485 communication unit is connected to the signal output end of the multi-path gas flowmeter through a communication cable.

3. The gas flowmeter collection terminal capable of multi-channel collection according to claim 2, wherein: the communication module comprises a wireless network transmission unit, a card slot for inserting the SIM card is arranged on the circuit board, and the wireless network transmission unit comprises a 4G network or a 5G network.

4. The gas flowmeter acquisition terminal capable of multi-path acquisition according to claim 1, characterized in that: the shell is an explosion-proof shell, and a through hole for the cable to pass through is formed in the shell.

5. The gas flowmeter acquisition terminal capable of multi-path acquisition according to claim 4, wherein: and the shell is provided with a power button which is connected with the power module and used for connecting and disconnecting the power module.

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