CN206179200U - Remote gas meter collector system based on WIFI - Google Patents
Remote gas meter collector system based on WIFI Download PDFInfo
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- CN206179200U CN206179200U CN201621157621.1U CN201621157621U CN206179200U CN 206179200 U CN206179200 U CN 206179200U CN 201621157621 U CN201621157621 U CN 201621157621U CN 206179200 U CN206179200 U CN 206179200U
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- module
- gas meter
- mcu
- wifi
- collector systems
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Abstract
The utility model discloses a remote gas meter collector system based on WIFI, including power module, MCU, memory module, wireless module, WIFI module, USB OTG module, card operation module and RTC module. MCU respectively with power module, memory module, wireless module, WIFI module, USB OTG module, card operation module, RTC module communication connection. The utility model discloses a does the WIFI module realize the data interaction between collector system and the user's cell -phone, simultaneously with USB the OTG module is for supplementary, and data format is simple, and transmission speed is fast, and not restriction is connected to the operation demand of adaptable different cell -phones, has stronger commonality.
Description
Technical field
The utility model belongs to remote transmitting gas meter technical field, and in particular to a kind of remote transmitting gas meter collection based on WIFI
The design of device system.
Background technology
With the development of teletransmission reading technique, conveniently hand-held meter reading method is increasingly favored by market,
STM32 platforms are emerging high-performance embedded processors, and many gas meter, flow meter manufacturers domestic at present are all assessing or replacing
Onto this platform, the platform facilitates C language to develop, rich hardware resource, is adapted to answering for treatment remote transmitting gas meter collector complexity
Use task.
After user carries out copy reading using collector to remote transmitting gas meter, may also need to by corresponding reading send to
Mobile phone terminal and back-end data system carry out subsequent treatment.In the prior art collector and mobile phone are realized usually using bluetooth module
Between communication, there are following several inferior positions in it：
(1) poor universality, there is i Phone bluetooth in bluetooth module and the Bluetooth of mobile phone of some general Android systems cannot
The problems such as pairing, when module is selected, have apple bluetooth module and Android bluetooth module point, versatility is poor, if selection is logical
Android bluetooth module, the task of checking meter cannot be completed if the mobile phone of the part such as i Phone.
(2) agreement is cumbersome, and mobile phone terminal Bluetooth protocol one has eight layers, and api function is more, and bottom needs to write related protocol,
Difficulty is brought for the connection between bluetooth and mobile phone.
In addition to bluetooth, module and mobile communication also have the mode of WIFI, and WIFI is a kind of to allow electronic equipment to be connected to one
The technology of individual WLAN (WLAN), usually using 2.4G UHF or 5G SHF ISM radio frequency bands.It is connected to wireless local
Net typically has cryptoguard, but may also be open, so allows for any equipment in the range of WLAN to connect
On.
Utility model content
The purpose of this utility model is to solve to realize remote transmitting gas meter collector using bluetooth module in the prior art
Communication and mobile phone between, poor universality and the cumbersome problem of agreement, it is proposed that a kind of remote transmitting gas meter collection based on WIFI
Device system.
The technical solution of the utility model is：A kind of remote transmitting gas meter collector systems based on WIFI, including power supply mould
Block, MCU, memory module, wireless module, WIFI module, USB-OTG modules and card operation module；
Wireless module is communicated to connect by serial ports with MCU；
Memory module is connected by SPI with MCU；
WIFI module is communicated to connect by serial ports with MCU；
USB-OTG modules are communicated to connect by serial ports with MCU；
Card operation module is communicated to connect with MCU.
Preferably, MCU is realized using 32 single-chip microcomputer STM32F205RB.
Preferably, power module includes two No. 5 800mAh lithium ion chargeable batteries of section, and two batteries were provided with puts
Electric protection plate.
Preferably, wireless module is realized using QFT703 wireless modules.
Preferably, memory module includes SD card and E2PROM memories.
Preferably, WIFI module is realized using low-power consumption WIFI module USR-C322.
Preferably, USB-OTG modules turn serial port chip CH340G realizations using USB.
Preferably, card operation module includes IC-card and RC522 radio-frequency cards.
Preferably, collector systems also include RTC block；The RTC block is communicated to connect by I2C buses with MCU.
The beneficial effects of the utility model are：
(1) data interaction that the utility model is realized between collector systems and user mobile phone using WIFI module, data
Form is simple, and transmission speed is fast, is suitable for the operational requirements of different mobile phones, the no limitation of connection, with stronger versatility.
(2) the utility model carries out data transmission using between QFT703 wireless modules and gas meter terminal, QFT703 without
Wire module has provided the user abundant channel resource, and is all distributed in the unlicensed band of 470MHz~471MHz, makes
Can not mutually be communicated with the intermodule of different channel, also without interference with communication with one another.User using QFT703 wireless modules with
Different channels can be independently selected to avoid Communication Jamming when carrying out data transmission between gas meter terminal.
(3) the utility model uses USB-OTG modules, on the one hand as the miscellaneous function of WIFI module, allows the hand of user
Machine, as a host main frame, is to be capable of achieving the control to PC end equipments and collector systems by operating handset；The opposing party
Face can realize the data interaction of collector systems and PC ends, facilitate user to carry out relevant subsequent to the meter reading data of collector systems
Operation.
Brief description of the drawings
A kind of remote transmitting gas meter collector systems block diagram based on WIFI that Fig. 1 is provided for the utility model.
Specific embodiment
Embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
The utility model provides a kind of remote transmitting gas meter collector systems based on WIFI, as shown in figure 1, including power supply
Module, MCU, memory module, wireless module, WIFI module, USB-OTG modules, card operation module and RTC block.
Wherein, power module is used to be provided for other modules in collector systems the power supply of adaptation.The utility model reality
Apply in example, power module includes two No. 5 800mAh lithium ion chargeable batteries of section (voltage swing is 3.7~4.2V), wherein one
Section is other module for power supply as main battery, and another section is used as reserve battery.Main battery is through a LDO (low dropout
Regulator, low pressure difference linear voltage regulator) chip voltage is to being respectively MCU, memory module, wireless module, USB- after 3.3V
OTG modules and RTC block are powered, and are powered to WIFI module through a LDO chip, and card operation mould is given after boosted chip to 5V
Block is powered.Main battery and reserve battery are provided with over plate, are put when the electricity of main battery or reserve battery was less than
During the threshold value of electric protection plate setting, over plate can automatically cut off the power supply of power module.Meanwhile, power supply circuit also sets up
There is physical power source to switch the break-make of control power supply.
Wireless module is communicated to connect by serial ports with MCU, for realizing the number between collector systems and gas meter terminal
According to transmission.In the utility model embodiment, wireless communication module is independently opened using Chengdu Chiffo Electronics Limited Corporation
The QFT703 wireless modules of hair are realized.QFT703 wireless modules use 2.54mm interval connectors, wherein the function of each pin is such as
Under：1 pin is GND earth terminals；2 pin connect positive source；3 pin retain, for meeting used by subsequent upgrade；4 pin are busy signal #
BUSY, representation module is busy when setting to 0, wouldn't the corresponding command, representation module is idle when putting 1, can take orders；5 pin are module
Serial ports transmitting terminal TXD, 6 pin are module serial ports receiving terminal RXD.
All communication operations of QFT703 wireless modules are unit completion with " packet ", with exploitation spirit very high
Activity.QFT703 wireless modules have provided the user abundant channel resource simultaneously, and are all distributed in 470MHz~471MHz
Unlicensed band in, can not mutually be communicated using the intermodule of different channel, also without interference with communication with one another.It is many due to supporting
Individual communication channel, QFT703 wireless modules can complete the higher-level address such as frequency division multiple access, CDMA under the manipulation of host computer
Differentiate, so as to realize the network application of complexity.Meanwhile, when radio communication is subject to other radio signal interferences of same frequency,
Can be avoided interference by selecting different channels.In addition QFT703 wireless modules are based on Lora platforms.Lora is wirelessly transferred
Technology is the new generation of wireless module scheme based on direct sequence spread spectrum technology, considerably beyond traditional wireless module in transmission range
Scheme, open field can reach more than 1000 meters reliable communication distances, and radio transmission characteristics meet Chinese radio control committee member
What be may require that exempts from license wireless application communication distance.
Memory module includes SD card and E2PROM (Electrically Erasable Programmable Read-
Only Memory, band EEPROM), it is connected with MCU by SPI, obtained for storing collector systems
Meter reading data.
WIFI module is communicated to connect by serial ports with MCU, for realizing the data interaction between collector systems and mobile phone.
Someone Internet of Things low-power consumption WIFI module USR-C322 is used in the utility model embodiment, it possesses simple TCP/IP,
Data form is simple, and transmission speed is fast.Only need that mobile phone sets up focus or WIFI module sets up focus, mobile phone input SSID and close
Code can just connect WIFI module, convenient and swift, and WIFI module is general for the smart mobile phone that WIFI hot spot is opened in support, more
The operational requirements of different mobile phones when user checks meter are adapted to well, and connection is without limitation.
USB-OTG modules are communicated to connect by serial ports with MCU, for realizing between collector systems and mobile phone and PC ends
Data interaction.OTG is on the go, allows mobile phone to turn into a host main frame, is controllable PC end equipments by operating handset
(such as mouse, keyboard, USB flash disk etc.).USB-OTG modules are used as the miscellaneous function of WIFI module in the utility model embodiment
Nanjing Qin Heng limited companies USB turns serial port chip CH340G with the USB-OTG data wires that close, and adds APP ends and drives and assist
View, you can realize the data interaction with collector systems using APP, the purpose that portable convenient is checked meter can be reached.Additionally, USB-
Second function of OTG modules is that data interaction is realized at achievable collector systems and PC ends, facilitates user to collector systems
Meter reading data carries out relevant subsequent operation.
Card operation module includes IC-card (Integrated Circuit Card, integrated circuit card) and RC522 radio-frequency cards,
Communicated to connect with MCU, for realizing some functional tasks such as the reading of the wrong data in collector systems.
RTC (Real-Time Clock, real-time clock) module is communicated to connect by I2C buses with MCU, for mobile phone
Or PC ends upload time data of checking meter.
In the utility model embodiment, MCU is realized using 32 single-chip microcomputer STM32F205RB.The single-chip microcomputer has higher
Data-handling capacity and enough serial ports, be very easy to Software for Design.On memory space, the maximum tool of the single-chip microcomputer
There is the Flash program memory of 1MB, the RAM data memory of 128kB, Pin-To-Pin compatibilities in series subsequently should can meet
Extended with demand.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this reality
With new principle, it should be understood that protection domain of the present utility model is not limited to such especially statement and embodiment.
One of ordinary skill in the art can these technical inspirations according to disclosed in the utility model make and various do not depart from this practicality
New substantive other various specific deformations and combination, these deformations and combination are still in protection domain of the present utility model.
Claims (9)
1. a kind of remote transmitting gas meter collector systems based on WIFI, it is characterised in that including power module, MCU, memory mould
Block, wireless module, WIFI module, USB-OTG modules and card operation module；
The wireless module is communicated to connect by serial ports with MCU；
The memory module is connected by SPI with MCU；
The WIFI module is communicated to connect by serial ports with MCU；
The USB-OTG modules are communicated to connect by serial ports with MCU；
The card operation module is communicated to connect with MCU.
2. remote transmitting gas meter collector systems according to claim 1, it is characterised in that the MCU uses 32 monolithics
Machine STM32F205RB is realized.
3. remote transmitting gas meter collector systems according to claim 1, it is characterised in that the power module includes two sections
No. 5 800mAh lithium ion chargeable batteries, two batteries are provided with over plate.
4. remote transmitting gas meter collector systems according to claim 1, it is characterised in that the wireless module is used
QFT703 wireless modules are realized.
5. remote transmitting gas meter collector systems according to claim 1, it is characterised in that the memory module includes SD
Card and E2PROM memories.
6. remote transmitting gas meter collector systems according to claim 1, it is characterised in that the WIFI module uses low work(
Consumption WIFI module USR-C322 is realized.
7. remote transmitting gas meter collector systems according to claim 1, it is characterised in that the USB-OTG modules are used
USB turns serial port chip CH340G realizations.
8. remote transmitting gas meter collector systems according to claim 1, it is characterised in that the card operation module includes IC
Card and RC522 radio-frequency cards.
9. remote transmitting gas meter collector systems according to claim 1, it is characterised in that also including RTC block；It is described
RTC block is communicated to connect by I2C buses with MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157621.1U CN206179200U (en) | 2016-10-31 | 2016-10-31 | Remote gas meter collector system based on WIFI |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157621.1U CN206179200U (en) | 2016-10-31 | 2016-10-31 | Remote gas meter collector system based on WIFI |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206179200U true CN206179200U (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621157621.1U Active CN206179200U (en) | 2016-10-31 | 2016-10-31 | Remote gas meter collector system based on WIFI |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107566086A (en) * | 2017-09-06 | 2018-01-09 | 石化盈科信息技术有限责任公司 | A kind of intelligence instrument data transmission method based on LoRa technologies |
-
2016
- 2016-10-31 CN CN201621157621.1U patent/CN206179200U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107566086A (en) * | 2017-09-06 | 2018-01-09 | 石化盈科信息技术有限责任公司 | A kind of intelligence instrument data transmission method based on LoRa technologies |
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