CN206673956U - Radio communication device - Google Patents
Radio communication device Download PDFInfo
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- CN206673956U CN206673956U CN201621216287.2U CN201621216287U CN206673956U CN 206673956 U CN206673956 U CN 206673956U CN 201621216287 U CN201621216287 U CN 201621216287U CN 206673956 U CN206673956 U CN 206673956U
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Abstract
The utility model provides a kind of radio communication device, and the device includes：Control circuit, Mobile Communication Circuit and LAN circuit；Control circuit is bi-directionally connected with Mobile Communication Circuit and LAN circuit respectively；Control circuit is used to control Mobile Communication Circuit and LAN circuit respectively；Mobile Communication Circuit is used for the first control command sent according to control circuit, is carried out data transmission with first object equipment by mobile network；LAN circuit is used for the second control command sent according to control circuit, is carried out data transmission with the second target device by WLAN.It can be seen that, control circuit can control Mobile Communication Circuit or LAN circuit in running order, realize and mode is combined with WLAN using mobile communications network carried out data transmission, improve the reliability of communications network system in industrial field control system, data transmission efficiency is improved simultaneously, and saves expense caused by mobile communications network.
Description
Technical field
It the utility model is related to communication technical field, more particularly to a kind of radio communication device.
Background technology
In existing industrial field control field, the telecommunications network of generally use is general packet radio service technology
(General Packet Radio Service, abbreviation GPRS) network, that is, usually said second generation mobile communication skill
Art (2-Generation wireless telephone technology, abbreviation 2G) network, the limitation of its peak transfer rate
In 56~114kbps.
With the continuous development of information industry, the data that each equipment needs to handle and receive and dispatch in industrial field control system are got over
Come more.By taking track transportation industry as an example, locomotive or subway are required for operationally with very high frequency record vehicle
Service data, event and fault message etc.；Locomotive or subway need to record when preset time and generation catastrophe failure
Service data, event and the fault message of vehicle etc. report GCU；Due to the maximum transmitted speed of GPRS network
The limitation of rate, causes data transfer to need the long period.
Utility model content
The utility model embodiment provides a kind of radio communication device, realizes using mobile communications network and wireless local
Network, which is combined mode, to carry out data transmission, and improves the reliability of communications network system in industrial field control system, simultaneously
Data transmission efficiency is improved, and saves expense caused by mobile communications network.
In a first aspect, the utility model embodiment provides a kind of radio communication device, including：Control circuit, mobile communication
Circuit and LAN circuit；The control circuit respectively with the Mobile Communication Circuit and the two-way company of LAN circuit
Connect；
Wherein, the control circuit is used to control the Mobile Communication Circuit and the LAN circuit respectively；
The Mobile Communication Circuit is used for the first control command sent according to the control circuit, with first object equipment
Carried out data transmission by mobile network；
The LAN circuit is used for the second control command sent according to the control circuit, leads to the second target device
WLAN is crossed to carry out data transmission.
Further, the control circuit is used for when detecting that wireless lan signal intensity is less than predetermined threshold value, to
The Mobile Communication Circuit sends first control command.
Further, the control circuit is used for when detecting that wireless lan signal intensity is more than predetermined threshold value, to
The LAN circuit sends second control command.
Further, the control circuit by universal asynchronous receiving-transmitting transmitter UART respectively with the Mobile Communication Circuit
It is bi-directionally connected with the LAN circuit.
Further, the Mobile Communication Circuit is 3G telecommunication circuits, and/or, the LAN circuit is WIFI circuits.
In the embodiment of the present application, radio communication device includes：Control circuit, Mobile Communication Circuit and LAN circuit；
Control circuit is bi-directionally connected with Mobile Communication Circuit and LAN circuit respectively.Wherein, control circuit is used for control movement respectively
Telecommunication circuit and LAN circuit；Mobile Communication Circuit is used for the first control command sent according to control circuit, with first
Target device is carried out data transmission by mobile network；The second control that LAN circuit is used to be sent according to control circuit is ordered
Order, is carried out data transmission with the second target device by WLAN；It can be seen that control circuit can be according to application scenarios
Difference, control Mobile Communication Circuit or LAN circuit in running order, realize using mobile communications network with it is wireless
LAN, which is combined mode, to carry out data transmission, and improves the reliability of communications network system in industrial field control system,
Data transmission efficiency is improved simultaneously, and saves expense caused by mobile communications network.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model radio communication device embodiment one；
Fig. 2 is the circuit diagram of the STM32F103VG chips of the utility model control circuit 101；
Fig. 3 is the partial circuit schematic diagram of the utility model MF210v2 circuits；
Fig. 4 A are a part of circuit diagram of the utility model HLK-RM04 circuits；
Fig. 4 B are another part circuit diagram of the utility model HLK-RM04 circuits.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Term " first ", " second " in specification and claims of the present utility model and above-mentioned accompanying drawing etc. (if
In the presence of) it is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that embodiment of the present utility model described herein for example can be with except at this
In diagram or description those beyond order implement.In addition, term " comprising " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process of series of steps or device, method, system, product or equipment not
Be necessarily limited to those steps or the device clearly listed, but may include not list clearly or for these processes, method,
The intrinsic other steps of product or equipment or device.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and may be repeated no more for same or analogous concept or process in some embodiments.
Fig. 1 is the structural representation of the utility model radio communication device embodiment one.Alternatively, the nothing that the application is related to
Line communicator can be arranged in train or subway etc., certainly, may also be disposed in miscellaneous equipment, in the embodiment of the present application
This is not restricted.As shown in figure 1, radio communication device 10 includes：Control circuit 101, Mobile Communication Circuit 102 and office
Domain net circuit 103；Control circuit 101 is bi-directionally connected with Mobile Communication Circuit 102 and LAN circuit 103 respectively.Wherein, control
Circuit 101 is used to control Mobile Communication Circuit 102 and LAN circuit 103 respectively；Mobile Communication Circuit 102 is used for according to control
The first control command that circuit 101 processed is sent, is carried out data transmission with first object equipment by mobile network；LAN circuit
103 are used for the second control command according to the transmission of control circuit 101, enter line number by WLAN with the second target device
According to transmission.
In the utility model embodiment, radio communication device 10 includes：Control circuit 101, Mobile Communication Circuit 102 and
LAN circuit 103；Control circuit 101 is bi-directionally connected with Mobile Communication Circuit 102 and LAN circuit 103 respectively, to control
Circuit 101 processed controls Mobile Communication Circuit 102 and LAN circuit 103 respectively, and alternatively, control circuit 101 can basis
The difference of application scenarios, control Mobile Communication Circuit 102 or LAN circuit 103 in running order, for example, working as train or ground
When iron is in running status, control circuit 101 controls 102 in running order (alternatively, control circuit of Mobile Communication Circuit
101 to Mobile Communication Circuit 102 by sending the first control command, so that Mobile Communication Circuit 102 is by resting state or pass
Closed state switches to working condition), enter for example with 3rd generation mobile communication technology (3rd Generation, abbreviation 3G) network
Row data transfer, or, (entered the station) when train or subway are in halted state, the control area net(CAN) of control circuit 101 electricity
Road 103 is in running order, and (alternatively, control circuit 101 sends the second control command to LAN circuit 103, so that local
Net circuit 103 switches to working condition by resting state or closed mode), for example with Wireless Fidelity (Wireless
Fidelity, abbreviation WIFI) etc. cordless communication network carry out data transmission, can further save produced by mobile communications network
Expense.Alternatively, control circuit 101 passes through universal asynchronous receiving-transmitting transmitter (Universal Asynchronous
Receiver/Transmitter, abbreviation UART) it is bi-directionally connected respectively with Mobile Communication Circuit 102 and LAN circuit 103, when
So, control circuit 101 can also pass through universal synchronous/asynchronous serial reception/transmitter (Universal Synchronous/
Asynchronous, abbreviation USART), universal input/output (General Purpose Input Output, abbreviation GPIO)
It is bi-directionally connected respectively with Mobile Communication Circuit 102 and LAN circuit 103 Deng other manner, in the embodiment of the present application to this not
It is restricted.
Accordingly, the first control command that Mobile Communication Circuit 102 is sent according to control circuit 101 switches to work shape
State, carried out data transmission with first object equipment by mobile network's (such as 3G network, 4G networks etc.), due to 3G network, 4G
The peak transfer rate of the mobile communications networks such as network is higher than 2G networks, so as to improve data transmission efficiency；Or LAN
The second control command that circuit 103 is sent according to control circuit 101 switches to working condition, passes through with the second target device wireless
LAN (such as the cordless communication network such as WIFI) carries out data transmission, due to the maximum transmitted of the cordless communication networks such as WIFI
Speed is higher than 2G networks, so as to improve data transmission efficiency, and can also save expense caused by mobile communications network.Can
Selection of land, first object equipment can be same target device or different target equipment with the second target device, and the application is implemented
This is not restricted in example；Alternatively, first object equipment and/or the second target device can be GCU, when
So, it can also be miscellaneous equipment, this is not restricted in the embodiment of the present application.
Alternatively, included in the application with industrial field control system：Exemplified by GCU and train or subway etc.
It is described in detail, certainly, industrial field control system can also be other control systems, and corresponding embodiment is the same as above-mentioned
The embodiment of the industrial field control system of the compositions such as GCU and train or subway is similar, in the embodiment of the present application
Repeat no more.
In the embodiment of the present application, radio communication device 10 includes：Control circuit 101, Mobile Communication Circuit 102 and local
Net circuit 103；Control circuit 101 is bi-directionally connected with Mobile Communication Circuit 102 and LAN circuit 103 respectively.Wherein, control electricity
Road 101 is used to control Mobile Communication Circuit 102 and LAN circuit 103 respectively；Mobile Communication Circuit 102 is used for according to control
The first control command that circuit 101 is sent, is carried out data transmission with first object equipment by mobile network；LAN circuit
103 are used for the second control command according to the transmission of control circuit 101, enter line number by WLAN with the second target device
According to transmission；It can be seen that control circuit 101 can control Mobile Communication Circuit 102 or LAN electricity according to the difference of application scenarios
Road 103 is in running order, realizes and is combined mode with WLAN using mobile communications network and carries out data transmission,
The reliability of communications network system in industrial field control system is improved, while improves data transmission efficiency, and is saved
Expense caused by mobile communications network.
Further, control circuit 101 is used to (arrange when detecting that wireless lan signal intensity is less than predetermined threshold value
Either the location of subway is not covered or the location of train or subway car by available WLAN
Available wireless network signal is weaker etc., such as train or subway are in running status), send institute to Mobile Communication Circuit 102
The first control command is stated, so that the first control command that Mobile Communication Circuit 102 is sent according to control circuit 101 switches to work
State, carried out data transmission with first object equipment by mobile network's (such as 3G network, 4G networks etc.), so as to improve number
According to efficiency of transmission.
Further, control circuit 101 is used to (arrange when detecting that wireless lan signal intensity is more than predetermined threshold value
The location of car or subway are covered by available WLAN, and/or, the location of train or subway can
Wireless network signal is stronger etc., such as train or subway are in halted state, such as enter the station), sent out to LAN circuit 103
Second control command is sent, so that the second control command that LAN circuit 103 is sent according to control circuit 101 switches to work
Make state, carried out data transmission with the second target device by WLAN (such as the cordless communication network such as WIFI), from
And data transmission efficiency is not only increased, and can also save expense caused by mobile communications network.
Alternatively, the Mobile Communication Circuit 102 being related in the above embodiments of the present application can be 3G telecommunication circuits, and/or,
LAN circuit 103 can be WIFI circuits；Alternatively, Mobile Communication Circuit 102 can also be other Mobile Communication Circuit (examples
Such as 4G telecommunication circuits), this is not restricted in the embodiment of the present application.And/or LAN circuit 103 can also be other
WLAN circuit, this is not restricted in the embodiment of the present application.
Alternatively, 3G telecommunication circuits can use MF210v2 circuits, and/or, WIFI circuits can use HLK-RM04 electricity
Road；Alternatively, the master chip of control circuit 101 can use STM32F103VG.Certainly, 3G telecommunication circuits can also be used and removed
Other 3G telecommunication circuits outside MF210v2 circuits, WIFI circuits can also use other in addition to HLK-RM04 circuits
WIFI circuits, and/or, the master chip of control circuit 101 can also use other chips in addition to STM32F103VG, this Shen
This please be restricted in embodiment.
Alternatively, MF210v2 circuit realirations externally carry out High Bit-rate Wireless Data Communication function, such as MF210v2 circuits can
External bus data are sent to other remote equipments by 3G network, and/or, also can be by 3G network high-speed downloads data extremely
Local device.Alternatively, the peripheral circuit of MF210v2 circuits includes but is not limited to：Power circuit, dormancy and wake-up circuit, answer
Position circuit, serial port circuit, Global Subscriber identification card (Universal Subscriber Identity Module, abbreviation USIM)
Circuit, peripheral hardware interconnection standard (Peripheral Component Interconnect, abbreviation PCI) interface circuit, general serial
Bus (Universal Serial Bus, abbreviation USB) bus interface circuit, Serial Peripheral Interface (SPI) (Serial Peripheral
Interface, abbreviation SPI) circuit.
Alternatively, HLK-RM04 circuit realirations externally carry out WIFI WLANs and wired ethernet communication function.Should
HLK-RM04 circuits can realize conversion between this 3 interfaces of user's serial ports, Ethernet, wireless network by configuring, to realize nothing
Gauze card, WAP or radio router function.Alternatively, the peripheral circuit of HLK-RM04 circuits includes but unlimited
In：LAN (Local Area Network, abbreviation LAN) Ethernet interface, wide area network (Wide Area Network, abbreviation
WAN) Ethernet interface, serial ports, working station indicator circuit etc..
Alternatively, the STM32F103VG of control circuit 101 is by sending AT (Attention) instructions to HLK-RM04 electricity
Road and MF210v2 circuits are configured, so that MF210v2 circuits utilize WCDMA (Wideband Code
Division Multiple Access, abbreviation WCDMA) 3G network realize that the data of high speed are uploaded and downloaded, while can be with
Realize and send short message and global positioning system (Global Positioning System, abbreviation GPS)/assisted global satellite
The functions such as position system (Assisted Global Positioning System, abbreviation AGPS), and HLK-RM04 circuits lead to
Cross WIFI and Ethernet interface realizes route and the function of ethernet communication, wirelessly or non-wirelessly LAN can be carried out with miscellaneous equipment
Communication etc..Alternatively, the peripheral circuit of control circuit 101 includes but is not limited to：Power supply and earthed circuit, crystal oscillating circuit, hardware
Watchdog circuit, serial port circuit.
Fig. 2 is the circuit diagram of the STM32F103VG chips of the utility model control circuit 101, and Fig. 3 is that this practicality is new
The partial circuit schematic diagram of type MF210v2 circuits, Fig. 4 A are a part of circuit diagram of the utility model HLK-RM04 circuits,
Fig. 4 B are another part circuit diagram of the utility model HLK-RM04 circuits.As shown in Fig. 2, Fig. 3, Fig. 4 A and Fig. 4 B,
STM32F103VG chips are communicated by the realization of PA parts pin with the UART of MF210v2 circuits and HLK-RM04 circuits, for example,
USART1_RI exports for the relay indicating light of serial ports 1, and USART1_TX is used for serial ports 1 and sends data (connection 3G telecommunication circuits),
USART1_RX is used for serial ports 1 and receives data (connection 3G telecommunication circuits), and USART2_TX is used for serial ports 2 and sends data (connection
WIFI circuits), USART2_RX is used for serial ports 2 and receives data (connection WIFI circuits)；Alternatively, STM32F103VG chips pass through
Send AT instructions to configure MF210v2 circuits and HLK-RM04 circuits, complete corresponding radio communication function.Wherein,
3G_RX_TTL in MF210v2 circuits is used for serial ports and sends data, and 3G_TX_TTL is used for serial ports and receives data, and UART1_RI is used
Indicated in ring, UART1_CTS, which is used for serial ports, to be allowed to send, and UART1_RFR is used for serial ports request and sent, UART1_DTR data
Terminal ready, UART1_DCD detect for carrier wave.
For example, initialization operation of the STM32F103VG chips completion of control circuit 101 to MF210v2 circuits, including but
It is not limited to：Detection MF210v2 circuit hardwares function, shake hands and serial port setting, inquiry MF210v2 circuits current state, to environment
Configured with function.
Such as：The STM32F103VG chips of control circuit 101 to MF210v2 circuits by serial ports send AT instruction "+
CGDCONT " orders set packet data protocol (Packet Data Protocol, abbreviation PDP) relevant parameter, then pass through
MF210v2 circuits send " ATDT*99# " and dialled, and MF210v2 circuits return to " CONNECT ".Subsequent STM32F103VG cores
Piece initiates point-to-point protocol (Point to Point Protocol, abbreviation PPP) LCP (Link Control
Protocol, abbreviation LCP) request, subsequent PPP LCP of both sides' completion, Auth (purview certification), IP control protocol (IP
Control Protocol, abbreviation IPCP) after process, PPP connections, which are established, to be completed, and successful connection, MF210v2 circuits start to transmit
3G grouped datas.LCP is initiated when STM32F103VG chips and terminates request, then after disconnecting PPP connections, MF210v2 circuits return
" NO CARRIER " give STM32F103VG chips, and " AT+CGACT=0,1 " completes to hang up for subsequent STM32F103VG chips transmission
Data connect.Certainly, it can also realize that PPP connections are established, disconnected otherwise, this is not limited in the embodiment of the present application
System.
Alternatively, STM32F103VG chips instruct control HLK-RM04 circuits to complete communication function by AT, alternatively,
Communication function can be divided into 4 large models：Default mode, serial ports turn Ethernet pattern, serial ports turns wireless network card pattern and serial ports turns
Wireless access dot pattern.
1st, serial ports turns Ethernet pattern：As shown in fig. 4 a and fig. 4b, ETH1 is enabled under the pattern, and WIFI, ETH2 function are closed
Close.Pass through corresponding setting, WIFI_RX_TTL and WIFI_TX_TTL data and ETH1 (such as accompanying drawing 4A as shown in fig 4
With WLANRX_P, WLANRX_N, WLANTX_P, WLANTX_N, WLAN_LINK shown in Fig. 4 B) network data mutually change.
2nd, serial ports turns wireless network card pattern：As shown in fig. 4 a and fig. 4b, WIFI is enabled under the pattern, is operated in wireless network card
Under pattern, ETH1, ETH2 function are closed.Pass through corresponding setting, WIFI_RX_TTL and WIFI_TX_ as shown in fig 4
TTL data and WIFI network data are mutually changed.
3rd, serial ports turns WAP：As shown in fig. 4 a and fig. 4b, WIFI is enabled under the pattern, is operated under ap mode,
ETH1, ETH2 function are closed.By corresponding setting, WIFI_RX_TTL as shown in fig 4 and WIFI_TX_TTL data
Mutually changed with WIFI network data.Wherein, WIFI secure contexts support cipher modes all at present；Under this pattern,
WIFI equipment can connect to HLK-RM04 circuits, turn into the equipment under WIFI LANs.
4th, default mode：As shown in fig. 4 a and fig. 4b, WIFI is enabled under the pattern, is operated in wireless access dot pattern；
ETH1, ETH2 function enable, and ETH1 is as WAN, and ETH2 is as LAN.WIFI_RX_TTL and WIFI_TX_ as shown in fig 4
TTL data are mutually changed with network data.Wherein, WIFI secure contexts support cipher modes all at present；Under this pattern,
WIFI equipment can connect to HLK-RM04 circuits, turn into the equipment under WIFI LANs.Dynamic IP addressing mode is given tacit consent at WAN ends,
LAN, WIFI are same LAN, and acquiescence opens DHCP (Dynamic Host Configuration
Protocol, abbreviation DHCP) server.
In summary, in the radio communication device that the embodiment of the present application provides, control circuit is by detecting wireless office
Domain net signal intensity controls Mobile Communication Circuit in running order when being less than predetermined threshold value, or, detecting wireless local
Control area net(CAN) circuit is in running order when net signal intensity is more than predetermined threshold value, realizes using mobile communications network and nothing
Line LAN, which is combined mode, to carry out data transmission, and improves the reliable of communications network system in industrial field control system
Property, while data transmission efficiency is improved, and save expense caused by mobile communications network.
In wireless communications method embodiment one provided by the utility model, alternatively, wireless communications method is applied to wireless
Communicator, radio communication device include：Control circuit, Mobile Communication Circuit and LAN circuit；The control circuit point
It is not bi-directionally connected with the Mobile Communication Circuit and the LAN circuit；
Wherein, control circuit detection wireless lan signal intensity, and according to testing result to the control circuit
The first control command is sent, and/or, the second control command is sent to the control circuit according to testing result；
The Mobile Communication Circuit enters line number with first object equipment according to first control command by mobile network
According to transmission；
The LAN circuit is carried out according to second control command with the second target device by WLAN
Data transfer.
Alternatively, the control circuit detection wireless lan signal intensity, and it is electric to the control according to testing result
Road sends the first control command, including：
The control circuit detects wireless lan signal intensity, is detecting that it is default that wireless lan signal intensity is less than
During threshold value, first control command is sent to the Mobile Communication Circuit.
Alternatively, the control circuit detection wireless lan signal intensity, and it is electric to the control according to testing result
Road sends the second control command, including：
The control circuit detects wireless lan signal intensity, is detecting that it is default that wireless lan signal intensity is more than
During threshold value, second control command is sent to the LAN circuit.
The wireless communications method of the utility model embodiment, the above-mentioned radio communication device of the utility model can be used any
Technical scheme in embodiment, its implementing principle and technical effect is similar, and here is omitted.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.For example, apparatus embodiments described above are only schematical, for example, the unit or module
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or module when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, equipment or module
Close or communicate to connect, can be electrical, mechanical or other forms.
The module illustrated as separating component can be or may not be physically separate, show as module
The part shown can be or may not be physical module, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of module therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (2)
- A kind of 1. radio communication device, it is characterised in that including：Control circuit, Mobile Communication Circuit and LAN circuit；Institute Control circuit is stated to be bi-directionally connected with the Mobile Communication Circuit and the LAN circuit respectively；Wherein, the control circuit is used to control the Mobile Communication Circuit and the LAN circuit respectively；The Mobile Communication Circuit is used for the first control command sent according to the control circuit, passes through with first object equipment Mobile network carries out data transmission；The LAN circuit is used for the second control command sent according to the control circuit, passes through nothing with the second target device Line LAN carries out data transmission；Wherein, the control circuit is used for when detecting that wireless lan signal intensity is less than predetermined threshold value, to the movement Telecommunication circuit sends first control command；The control circuit is used for when detecting that wireless lan signal intensity is more than predetermined threshold value, to the LAN circuit Send second control command；The control circuit by universal asynchronous receiving-transmitting transmitter UART respectively with the Mobile Communication Circuit and the LAN Circuit is bi-directionally connected.
- 2. device according to claim 1, it is characterised in that the Mobile Communication Circuit is 3G telecommunication circuits, and/or, The LAN circuit is WIFI circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621216287.2U CN206673956U (en) | 2016-11-11 | 2016-11-11 | Radio communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621216287.2U CN206673956U (en) | 2016-11-11 | 2016-11-11 | Radio communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673956U true CN206673956U (en) | 2017-11-24 |
Family
ID=60357672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621216287.2U Active CN206673956U (en) | 2016-11-11 | 2016-11-11 | Radio communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673956U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366399A (en) * | 2018-01-23 | 2018-08-03 | 北京邮电大学 | A kind of frequency band switching method of urban track traffic CBTC land mobile communication systems, system |
| CN111034253A (en) * | 2018-04-09 | 2020-04-17 | 联发科技股份有限公司 | AT commands for 5G session management |
| CN113055920A (en) * | 2021-03-29 | 2021-06-29 | 联想(北京)有限公司 | Electronic equipment and control method |
-
2016
- 2016-11-11 CN CN201621216287.2U patent/CN206673956U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366399A (en) * | 2018-01-23 | 2018-08-03 | 北京邮电大学 | A kind of frequency band switching method of urban track traffic CBTC land mobile communication systems, system |
| CN108366399B (en) * | 2018-01-23 | 2020-06-16 | 北京邮电大学 | Frequency band switching method and system for CBTC (communication based train-ground) communication system of urban rail transit |
| CN111034253A (en) * | 2018-04-09 | 2020-04-17 | 联发科技股份有限公司 | AT commands for 5G session management |
| CN111034253B (en) * | 2018-04-09 | 2023-10-13 | 联发科技股份有限公司 | Wireless communication method in 5G network and user equipment |
| CN113055920A (en) * | 2021-03-29 | 2021-06-29 | 联想(北京)有限公司 | Electronic equipment and control method |
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