CN206743467U - The remote communication devices of power information acquisition terminal - Google Patents
The remote communication devices of power information acquisition terminal Download PDFInfo
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- CN206743467U CN206743467U CN201720605845.2U CN201720605845U CN206743467U CN 206743467 U CN206743467 U CN 206743467U CN 201720605845 U CN201720605845 U CN 201720605845U CN 206743467 U CN206743467 U CN 206743467U
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Abstract
The utility model discloses a kind of remote communication devices of power information acquisition terminal, including remote communication interface module, electric power management circuit, module control circuit, USB upgrade interfaces, 4G modules, SIM card interface circuit, antenna interface circuit, antenna and USB change-over circuits；Remote communication interface module connects terminal；Electric power management circuit is powered；Module control circuit obtains order and issues 4G modules；USB change-over circuits connect remote communication interface module and 4G modules, 4G modules connection SIM card interface circuit, and connect antenna by antenna interface circuit；4G modules obtain data by USB change-over circuits, and information is read by SIM card interface circuit, and data are uploaded into main website by antenna interface circuit and antenna or obtains main website order by antenna interface circuit and antenna and issues terminal by USB change-over circuits.The utility model uplink and downlink communication transmission rate is high, and communication is reliable and stable.
Description
Technical field
The utility model is specifically related to a kind of remote communication devices of power information acquisition terminal.
Background technology
With the development and the improvement of people's living standards of national economy technology, electric energy has become people's production and life
One of essential secondary energy sources in work, endless facility is brought for the production and life of people.
Power information acquisition terminal be to each information gathering point power information collection equipment, abbreviation acquisition terminal；It can
With the equipment realized the collection of electric energy meter data, data management, data double-way transmission and forwarding or perform control command.Cause
This, among power information acquisition terminal has been widely used for existing power network, plays huge effect.
The functional block diagram of existing power information acquisition terminal and its remote communication devices is as shown in Figure 1：Its is up logical
Letter（With master station communication）Largely using 4G remote communication modules；4G remote communication modules are compared to traditional 2G GPRS
Data communicate, and have the speed of bigger bandwidth and Geng Gao, are especially suitable for big data telecommunication, its traffic rate reaches as high as
150Mbps, and the theoretical highest communication speed that GPRS network is supported is only 171.2kbps, therefore 4G traffic rates are far longer than
2G GPRS traffic rates.
And the power information acquisition terminal of now widely used 2G GPRS communication or 4G telecommunications, itself and terminal（Such as
Electric energy meter）It is to use UART serial communications to carry out communication and data interaction, but UART serial port baud rates are generally
38400bps or 115200bps, it is very low, therefore the uplink communication of 4G remote communication modules compared with 4G wireless communication rates
Integrated communication speed is substantially still with 2G GPRS, not any difference, its downlink communication with acquisition terminal
Speed is still very low, and traffic rate simply improves uplink communication between communication module and main website.Therefore, the big bandwidth of 4G communications
Embodied with not having the advantages of high traffic rate in the 4G remote communication modules being commonly used.
Utility model content
The purpose of this utility model is to provide that a kind of uplink and downlink communication transmission rate is very fast and transmission is reliable and stable
Power information acquisition terminal remote communication devices.
The remote communication devices of this power information acquisition terminal provided by the utility model, including remote communication interface mould
Block, electric power management circuit, module control circuit, USB upgrade interfaces, 4G modules, SIM card interface circuit, antenna interface circuit and
Antenna, in addition to USB change-over circuits；Remote communication interface module is the connecting interface of the remote communication devices and terminal, electric
Power management circuits are connected with remote communication module interface, power taking and are powered；Module control circuit connects from remote communication interface module
Receive the control command that terminal is sent and issue 4G modules；USB change-over circuits be connected to remote communication interface module and 4G modules it
Between, 4G modules are also connected with SIM card interface circuit, and connect antenna by antenna interface circuit；4G modules are used to change by USB
Circuit obtains data in a manner of usb communication from terminal, and after by SIM card interface circuit reading SIM card information, data are passed through
Antenna interface circuit and antenna upload the order that main website or 4G modules are issued by antenna interface circuit and antenna acquisition main website,
And terminal is issued by USB change-over circuits and remote communication interface module.
The remote communication devices of described power information acquisition terminal also include LED display circuit；LED display circuit and 4G
Module connects, for showing the working condition of the 4G modules.
Described USB change-over circuits are that the USB being made up of model USB2514Bi USB high speed HUB control chips is changed
Circuit.
Described 4G modules are the circuit being made up of model N710 4G communication modules.
Described electric power management circuit is the power circuit being made up of model LP38501TJ low-dropout regulator.
Described module control circuit includes on/off circuit and reset circuit；On/off circuit obtains switching on and shutting down from terminal
Signal is simultaneously uploaded to 4G modules；Reset circuit obtains reset signal from terminal and uploads 4G modules.
The remote communication devices of this power information acquisition terminal provided by the utility model, by USB change-over circuits from
Terminal obtains data, and uploads data to main website by 4G modules, therefore this power information provided by the utility model gathers
The remote communication devices of terminal, can in a manner of USB communication protocol quickly from terminal obtain data and in a manner of 4G on the hero of biography
Stand, be truly realized the quick upload of terminal data, and uplink and downlink communication transmission rate is very fast, and transmission is reliable and stable.
Brief description of the drawings
Fig. 1 is the functional block diagram of existing power information acquisition terminal and its remote communication devices.
Fig. 2 is the functional block diagram of power information acquisition terminal of the present utility model and its remote communication devices.
Fig. 3 is the circuit theory diagrams of 4G modules of the present utility model.
Fig. 4 is the circuit theory diagrams of USB change-over circuits of the present utility model.
Fig. 5 is the circuit theory diagrams of electric power management circuit of the present utility model.
Fig. 6 is the circuit theory diagrams of on/off circuit of the present utility model.
Fig. 7 is the circuit theory diagrams of reset circuit of the present utility model.
Embodiment
It is illustrated in figure 2 the functional block diagram of power information acquisition terminal and its remote communication devices of the present utility model：
The remote communication devices of this power information acquisition terminal provided by the utility model, including remote communication interface module, power supply
Manage circuit, module control circuit, USB upgrade interfaces, 4G modules, SIM card interface circuit, antenna interface circuit, antenna, USB
Change-over circuit and LED display circuit；Remote communication interface module is the connecting interface of the remote communication devices and terminal, power supply
Management circuit is connected with remote communication module interface, power taking and powered；Module control circuit receives from remote communication interface module
The control command of terminal transmission simultaneously issues 4G modules；USB change-over circuits are connected between remote communication interface module and 4G modules,
4G modules are also connected with SIM card interface circuit, and connect antenna by antenna interface circuit；4G modules are used to change electricity by USB
Road obtains data in a manner of usb communication from terminal, and after by SIM card interface circuit reading SIM card information, data are passed through into day
Interface circuit and antenna upload the order that main website or 4G modules are issued by antenna interface circuit and antenna acquisition main website, and
Terminal is issued by USB change-over circuits and remote communication interface module；LED display circuit is connected with 4G modules, for showing
State the working condition of 4G modules.
It is illustrated in figure 3 the circuit theory diagrams of 4G modules of the present utility model：4G modules are to be led to by model N710 4G
Believe the circuit of module composition；1 pin, 16 pin and 20 pin of module are directly grounded；17 ~ 19 pins of module are all connected with 4V power supplys；Core
22 ~ No. 25 pins of piece are that SIM card information obtains pin, are connected to SIM card interface circuit；The 34 of chip connect with 35 pins
USB change-over circuits, for obtaining the data of terminal or by USB change-over circuit transmitting order to lower levels to terminal；No. 37 of chip are drawn
Pin is reset pin, connects reset circuit and obtains reset signal；No. 38 pins of chip are switching on and shutting down signal pins, for obtaining
Take away the signal of shutdown circuit and 4G modules are booted up or turned off；No. 58 pins of chip then connect antenna interface circuit.
It is illustrated in figure 4 the circuit theory diagrams of USB change-over circuits of the present utility model：USB change-over circuits are by model
The USB change-over circuits that USB2514Bi USB high speed HUB control chips are formed；The 27 pin connection power pins of chip；Chip
No. 26 pins are reset pin, are that low level is effective, therefore No. 26 pins of pin are being directly connected to power supply just by pull-up resistor R18
Pole；32 and No. 33 pins of chip are crystal oscillator pin, are directly connected to crystal oscillating circuit（Crystal oscillator XL1, electric capacity C10 and C12）；Chip
No. 23, No. 15, No. 5, No. 10, No. 29 and No. 36 pins are directly connected to positive source, also by respective filter capacitor（C11、
C13、C14、C17~C20）Ground connection；3 pin and 4 pin of chip are usb communication pin, connect 4G modules and transmit data；The 1 of chip
Pin and 2 pin are similarly usb communication pin, and it connects USB upgrade interfaces, for outside by USB upgrade interfaces to power information
Acquisition terminal is upgraded；30 and No. 31 pins of chip are similarly usb communication circuit, and it is connected with terminal, using usb communication
Mode obtain terminal data, or order is issued into terminal.
It is illustrated in figure 5 the circuit theory diagrams of electric power management circuit of the present utility model：Electric power management circuit is by model
The power circuit formed for LP38501TJ low-dropout regulator；Voltage regulator chip is used for the 5V power supplys V5P0_ for providing terminal
GPRS is converted to 4V power supply V4P0, and output V4P0 power supplys are used to give N710 module for power supply, and V4P0 output storage capacitors employ one
Individual 1000uf electrochemical capacitor, can improve power supply instantaneous large-current afterflow ability, and V4P0 output ends additionally use 1 5V specification
Two-way TVS pipe（V7）, improve the transient overvoltage rejection ability of power supply, the other end and remote communication module of electric power management circuit
The 21 pin PCTRL signals connection of interface, PCTRL signals are used to control enabled LP38501 power supply chips, wherein feedback resistance R7 and
R8 resistances are respectively 56K and 10K, and the output voltage of chip is sampled and feeds back to chip.
It is illustrated in figure 6 the circuit theory diagrams of on/off circuit of the present utility model：After the upper electricity of V4P0, to 4G modules D3's
38 mono- more than 600ms of pin PWRKEY low level can trigger module start；Under module open state, 4G communications modules are given
D3 38 pin PWRKEY input one at least 3s low level pulse can trigger module shutdown, its on/off circuit is mainly by one
Individual PNP triode and a resistance composition；The signal of terminal output forms switching on and shutting down signal by being used as the triode of switching tube.
It is illustrated in figure 7 the circuit theory diagrams of reset circuit of the present utility model：Module resets circuit is used to reset 4G moulds
Block, 4G modules such as exist crash operation irregularity when, can to 4G modules D3 37 pin RESET signal, one at least 600ms with
On low level pulse, you can trigger module resets, and its circuit is mainly made up of a PNP triode, a resistance and electric capacity；
The RST signal of terminal output is filter capacitor by forming reset signal, electric capacity C6 after current-limiting resistance R10 and triode V5.
Claims (6)
1. a kind of remote communication devices of power information acquisition terminal, including remote communication interface module, electric power management circuit, mould
Block control circuit, USB upgrade interfaces, 4G modules, SIM card interface circuit, antenna interface circuit and antenna, it is characterised in that also wrap
Include USB change-over circuits；Remote communication interface module is the connecting interface of the remote communication devices and terminal, electric power management circuit
It is connected, power taking and powers with remote communication module interface；Module control circuit is sent from remote communication interface module receiving terminal
Control command and issue 4G modules；USB change-over circuits are connected between remote communication interface module and 4G modules, and 4G modules are also
SIM card interface circuit is connected, and antenna is connected by antenna interface circuit；4G modules are used to USB lead to by USB change-over circuits
Letter mode from terminal obtain data, then by SIM card interface circuit reading SIM card information after, by data pass through antennal interface electricity
Road and antenna upload the order that main website or 4G modules are issued by antenna interface circuit and antenna acquisition main website, and pass through USB
Change-over circuit and remote communication interface module issue terminal.
2. the remote communication devices of power information acquisition terminal according to claim 1, it is characterised in that also show including LED
Show circuit；LED display circuit is connected with 4G modules, for showing the working condition of the 4G modules.
3. the remote communication devices of power information acquisition terminal according to claim 1 or 2, it is characterised in that described
USB change-over circuits are the USB change-over circuits being made up of model USB2514Bi USB high speed HUB control chips.
4. the remote communication devices of power information acquisition terminal according to claim 1 or 2, it is characterised in that described 4G
Module is the circuit being made up of model N710 4G communication modules.
5. the remote communication devices of power information acquisition terminal according to claim 1 or 2, it is characterised in that described electricity
Power management circuits are the power circuit being made up of model LP38501TJ low-dropout regulator.
6. the remote communication devices of power information acquisition terminal according to claim 1 or 2, it is characterised in that described mould
Block control circuit includes on/off circuit and reset circuit；On/off circuit obtains switching on and shutting down signal from terminal and is uploaded to 4G moulds
Block；Reset circuit obtains reset signal from terminal and uploads 4G modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720605845.2U CN206743467U (en) | 2017-05-27 | 2017-05-27 | The remote communication devices of power information acquisition terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720605845.2U CN206743467U (en) | 2017-05-27 | 2017-05-27 | The remote communication devices of power information acquisition terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206743467U true CN206743467U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720605845.2U Active CN206743467U (en) | 2017-05-27 | 2017-05-27 | The remote communication devices of power information acquisition terminal |
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| CN (1) | CN206743467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512588A (en) * | 2018-06-05 | 2018-09-07 | 威胜信息技术股份有限公司 | Novel radio relay, radio relay method and its power information acquisition terminal |
| CN108596358A (en) * | 2018-03-08 | 2018-09-28 | 云南电网有限责任公司电力科学研究院 | A kind of intelligent power terminal and method based on Spot Price |
-
2017
- 2017-05-27 CN CN201720605845.2U patent/CN206743467U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108596358A (en) * | 2018-03-08 | 2018-09-28 | 云南电网有限责任公司电力科学研究院 | A kind of intelligent power terminal and method based on Spot Price |
| CN108512588A (en) * | 2018-06-05 | 2018-09-07 | 威胜信息技术股份有限公司 | Novel radio relay, radio relay method and its power information acquisition terminal |
| CN108512588B (en) * | 2018-06-05 | 2023-06-06 | 威胜信息技术股份有限公司 | Novel wireless relay device, wireless relay method and electricity consumption information acquisition terminal thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee after: Wasion information technology Limited by Share Ltd Address before: 413500 Yiyang Province Economic Development Zone, Anhua Province Tea Village Tea Plant Road Patentee before: Hunan wasion Information Technology Co. Ltd. |
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| CP03 | Change of name, title or address |