CN207638903U - A kind of double card GPRS data transparent transmission device - Google Patents
A kind of double card GPRS data transparent transmission device Download PDFInfo
- Publication number
- CN207638903U CN207638903U CN201721814493.8U CN201721814493U CN207638903U CN 207638903 U CN207638903 U CN 207638903U CN 201721814493 U CN201721814493 U CN 201721814493U CN 207638903 U CN207638903 U CN 207638903U
- Authority
- CN
- China
- Prior art keywords
- gprs
- chips
- double card
- card
- master control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model belongs to the technical field of data transmission based on GPRS network, discloses a kind of double card GPRS data transparent transmission device, is provided with：Power supply circuit, microUSB interface circuits, dual-mode antenna, electric quantity monitoring circuit, master control mcu chips, four frequency GSM/GPRS communication chips of double card, storage chip, the first SIM card, the second SIM card.The utility model is cooperated by master control mcu chips and four frequency double card of double card, four frequency GSM/GPRS communication chips, reliable data link is established in user equipment and corresponding server, as long as after data are sent to device by user equipment by serial ports, device will complete the follow-up work for sending data to server；And it is capable of the signal condition of real time monitoring network, allow data that reliable network to be selected to be transmitted, eliminates harmful effect of the single Information Mobile Service quotient network to data transmission.
Description
Technical field
The utility model belongs to technical field of data transmission more particularly to a kind of double card GPRS data based on GPRS network
Transparent transmission device.
Background technology
GPRS (General Packet Radio Service) is the abbreviation of general packet radio service technology, it is
A kind of available mobile data services of gsm mobile telephone user have Information Mobile Service quotient to provide relevant service.Domestic Information Mobile Service
Quotient mainly has：China Mobile, China Unicom and China Telecom.GPRS data transparent transmission device is a kind of by GPRS network data transmission
In protocol integration to device.User only needs the data that will be sent to be sent to device by the serial ports set, then device
Automatically data can be sent to specified server by GPRS network after packed.Existing GPRS data transparent transmission device is mostly
Single deck tape-recorder GPRS data transparent transmission device, that is to say, that the related service that an Information Mobile Service quotient can only be used to provide.When the shifting used
The GPRS network of dynamic service provider, can be to the data transmission of user because equipment fault or other factors cause network signal poor
Stability generates extreme influence and just will produce deleterious effect in some occasions high to the requirement of real-time of data.It is a small number of double
Card GPRS data transparent transmission device can not monitor the network state of 2 different Information Mobile Service quotient, can not accomplish intelligent selection in real time
Suitable Information Mobile Service quotient network is to ensure the height reliability of data transmission.
In conclusion problem of the existing technology is：Existing GPRS data transparent transmission device is mostly single deck tape-recorder GPRS data
Transparent transmission device can not accomplish the suitable Information Mobile Service quotient network of intelligent selection to ensure the height reliability of data transmission；It is existing
GPRS data transparent transmission device it is of high cost.
Invention content
In view of the problems of the existing technology, the utility model provides a kind of double card GPRS data transparent transmission device.
The utility model is realized in this way a kind of double card GPRS data transparent transmission device is provided with：Power supply circuit, master control
Mcu chips, four frequency GSM/GPRS communication chips of double card；The power supply circuit, master control mcu chips, four frequency GSM/GPRS of double card are logical
News chip welds on circuit boards；
It is welded with electric quantity monitoring circuit below power supply circuit；It is welded with master control mcu chips on the right of electric quantity monitoring circuit；
It is welded with microUSB interface circuits above master control mcu chips；Master control mcu beneath chips are welded with storage chip；
It is welded with four frequency GSM/GPRS communication chips of double card on the right of master control mcu chips；
Dual-mode antenna is welded with by IPEX antenna pedestals above four frequency GSM/GPRS communication chips of double card；Four frequency GSM/ of double card
It is welded with sim card slot below GPRS communication chips；First SIM card, the second SIM card are connected in card slot.
Further, the master control mcu chips are separately connected microUSB interface circuits, electric quantity monitoring electricity by circuit line
Road, four frequency GSM/GPRS communication chips of double card, storage chip.
Further, four frequency GSM/GPRS communication chips of the double card are separately connected dual-mode antenna, the first SIM by circuit line
Card, the second SIM card.
The advantages of the utility model and good effect are：The utility model passes through master control mcu chips (STM32F103RBT6)
It cooperates with four frequency double card of double card, four frequency GSM/GPRS communication chips (sim800c-ds), in user equipment and corresponding service
Reliable data link is established in device, as long as after data are sent to device by user equipment by serial ports, device will be completed follow-up
Send data to the work of server；And device can use the sim cards of 2 different Information Mobile Service quotient simultaneously：First
SIM card and the second SIM card, that is, can support the network of 2 different Information Mobile Service quotient, and it is capable of the letter of real time monitoring network
Number state, allows data that reliable network to be selected to be transmitted, eliminates single Information Mobile Service quotient network to data transmission
Harmful effect.
The maximum effect of the utility model is exactly that Information Mobile Service quotient's network is temporarily unavailable, can be at 1~2 minute
It is interior to be quickly switched into another Information Mobile Service quotient's network, it is forever all online to be equivalent to equipment.2 shiftings can also be monitored in real time
The signal quality of dynamic network, the high-quality network of automatic selecting signal carry out data transmission, and network signal is good, and data transmission is just
Soon, the bit error rate of data transmission is with regard to low.
Description of the drawings
Fig. 1 is the double card GPRS data transparent transmission device structural schematic diagram that the utility model embodiment provides.
In figure：1, power supply circuit；2, microUSB interface circuits；3, dual-mode antenna；4, electric quantity monitoring circuit；5, master control
Mcu chips (STM32F103RBT6)；6, four frequency GSM/GPRS communication chips (sim800c-ds) of double card；7, storage chip；8,
One SIM card；9, the second SIM card.
Specific implementation mode
For that can further appreciate that the invention, features and effects of the utility model, the following examples are hereby given, and coordinates
Detailed description are as follows for attached drawing.
The structure of the utility model is explained in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, double card GPRS data transparent transmission device provided by the utility model includes：Power supply circuit 1, microUSB
Interface circuit 2, dual-mode antenna 3, electric quantity monitoring circuit 4, master control mcu chips (STM32F103RBT6) 5, four frequency GSM/ of double card
GPRS communication chips (sim800c-ds) 6, storage chip 7, the first SIM card 8, the second SIM card.
1 lower section of power supply circuit is welded with electric quantity monitoring circuit 4；4 the right of electric quantity monitoring circuit is welded with master control mcu cores
Piece (STM32F103RBT6) 5；5 top of master control mcu chips (STM32F103RBT6) is welded with microUSB interface circuits 2；It is main
5 lower section of control mcu chips (STM32F103RBT6) is welded with storage chip 7；Master control mcu chips (STM32F103RBT6) 5
The right is welded with four frequency GSM/GPRS communication chips (sim800c-ds) 6 of double card；Four frequency GSM/GPRS communication chips of double card
(sim800c-ds) 6 tops are welded with dual-mode antenna 3；Under four frequency GSM/GPRS communication chips (sim800c-ds) 6 of double card
Side is welded with the first SIM card 8, the second SIM card 9；Master control mcu chips (STM32F103RBT6) 5 are separately connected by circuit line
MicroUSB interface circuits 2, electric quantity monitoring circuit 4, four frequency GSM/GPRS communication chips (sim800c-ds) 6 of double card, storage core
Piece 7；Four frequency GSM/GPRS communication chips (sim800c-ds) 6 of double card are separately connected dual-mode antenna 3, the first SIM by circuit line
Block the 8, second SIM card 9.
The utility model power supply circuit 1 provides device required voltage；Electric quantity monitoring circuit 4 acquires current power supply in real time
Electricity, convenient in using battery power supply system, user can have found battery capacity deficiency in time, adopt appropriate measures；
MicroUSB interface circuits 2 provide microUSB interfaces external all the way, and user-friendly PC machine sets device parameter
Set and carry out various tests；Four frequency GSM/GPRS communication chips 6 of master control mcu chips 5 (STM32F103RBT6) and double card
(sim800c-ds) it cooperates, reliable data link is established in user equipment and corresponding server, as long as user sets
After data are sent to device by serial ports, device will be completed subsequently to send data to the work of server；Device can be with
Simultaneously using the sim cards of 2 different Information Mobile Service quotient：First SIM card 8 and the second SIM card 9, that is, can support 2 not
With the network of Information Mobile Service quotient, and it is capable of the signal condition of real time monitoring network, allows data that reliable network to be selected to carry out
Transmission, eliminates harmful effect of the single Information Mobile Service quotient network to data transmission.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is every according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (3)
1. a kind of double card GPRS data transparent transmission device, which is characterized in that the double card GPRS data transparent transmission device is provided with：
Power supply circuit, master control mcu chips, four frequency GSM/GPRS communication chips of double card；It is the power supply circuit, master control mcu chips, double
Block four frequency GSM/GPRS communication chips to weld on circuit boards；
It is welded with electric quantity monitoring circuit below power supply circuit；It is welded with master control mcu chips on the right of electric quantity monitoring circuit；
It is welded with microUSB interface circuits above master control mcu chips；Master control mcu beneath chips are welded with storage chip；Master control
It is welded with four frequency GSM/GPRS communication chips of double card on the right of mcu chips；
Dual-mode antenna is welded with by IPEX antenna pedestals above four frequency GSM/GPRS communication chips of double card；Four frequency GSM/GPRS of double card
It is welded with sim card slot below communication chip；First SIM card, the second SIM card are connected in card slot.
2. double card GPRS data transparent transmission device as described in claim 1, which is characterized in that the master control mcu chips pass through circuit
Line is separately connected microUSB interface circuits, electric quantity monitoring circuit, four frequency GSM/GPRS communication chips of double card, storage chip.
3. double card GPRS data transparent transmission device as described in claim 1, which is characterized in that four frequency GSM/GPRS communications of the double card
Chip is separately connected dual-mode antenna, the first SIM card, the second SIM card by circuit line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814493.8U CN207638903U (en) | 2017-12-22 | 2017-12-22 | A kind of double card GPRS data transparent transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814493.8U CN207638903U (en) | 2017-12-22 | 2017-12-22 | A kind of double card GPRS data transparent transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638903U true CN207638903U (en) | 2018-07-20 |
Family
ID=62853486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721814493.8U Active CN207638903U (en) | 2017-12-22 | 2017-12-22 | A kind of double card GPRS data transparent transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207638903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351707A (en) * | 2019-08-22 | 2019-10-18 | 广东电网有限责任公司 | A kind of metering automation terminal, metering system and metering method |
| CN111220870A (en) * | 2020-02-28 | 2020-06-02 | 成都领派科技有限公司 | Gas fire extinguishing equipment monitoring circuit |
-
2017
- 2017-12-22 CN CN201721814493.8U patent/CN207638903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351707A (en) * | 2019-08-22 | 2019-10-18 | 广东电网有限责任公司 | A kind of metering automation terminal, metering system and metering method |
| CN111220870A (en) * | 2020-02-28 | 2020-06-02 | 成都领派科技有限公司 | Gas fire extinguishing equipment monitoring circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105376819B (en) | A kind of network formats switching method, device and terminal | |
| CN204926472U (en) | Power distribution station discernment appearance - PDA composite set | |
| CN207638903U (en) | A kind of double card GPRS data transparent transmission device | |
| CN105007638B (en) | Train-installed wireless communication apparatus | |
| CN201750566U (en) | Double-mode mobile terminal | |
| CN206236264U (en) | A kind of medium-voltage carrier system | |
| CN104849591A (en) | Power distribution automation integrated test detection device | |
| CN203057540U (en) | 3G web-enabled multimedia telephone set terminal device supporting GSM/WCDMA and WIFI | |
| CN205793375U (en) | A kind of roaming LTE terminal based on virtual SIM card technology | |
| CN107819629A (en) | The communication system and maintaining method of mobile terminal and power line carrier equipment | |
| CN207283545U (en) | A kind of orientable medium voltage electricity line carrier communication double-channel data transmitting device | |
| CN208078703U (en) | A kind of wireless charging with intelligent control charging is precious | |
| CN202190315U (en) | Tester and test system of program control exchanger | |
| CN206274405U (en) | A kind of bluetooth Time Attendance Device | |
| CN104298578A (en) | Testing device, system and method for double-way power supply of board card | |
| CN204719152U (en) | A kind of power distribution automation integration test pick-up unit | |
| CN209250671U (en) | A kind of gateway of internet of things system based on cellular mobile network | |
| CN211928415U (en) | Universal external controller for internet of things terminal | |
| CN201066904Y (en) | Interface communication circuit with anti-interference capability and mobile phone applying this circuit | |
| CN210670573U (en) | Communication terminal and electricity collection equipment | |
| CN107590981A (en) | A kind of LORAWAN ammeters communication module and its control method | |
| CN207625592U (en) | Wireless Communication Equipment | |
| CN216390997U (en) | Wireless communication device based on micropower wireless transmission | |
| CN207939751U (en) | A kind of network access equipment | |
| CN110650470A (en) | Multi-card single-standby implementation method of communication terminal, communication terminal and electricity acquisition equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |