CN208739147U - A kind of image aggregation gateway based on LoRa - Google Patents
A kind of image aggregation gateway based on LoRa Download PDFInfo
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- CN208739147U CN208739147U CN201821230810.6U CN201821230810U CN208739147U CN 208739147 U CN208739147 U CN 208739147U CN 201821230810 U CN201821230810 U CN 201821230810U CN 208739147 U CN208739147 U CN 208739147U
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Abstract
The image aggregation gateway based on LoRa that the utility model discloses a kind of, including power module, main control module, LoRa wireless communication module, memory module, ethernet module；Main control module: it is coupled with LoRa wireless communication module, memory module, ethernet module, power module；Main control module is sent to after the received image real time transfer conversion of LoRa wireless communication module ftp server by ethernet module, not sent or not sent successful picture, the successful picture of transmission is stored into memory module；LoRa wireless communication module: the image data information that LoRa node is sent is received, main control module is fed back to；Simultaneously according to the control of main control module, switch communication mode.There is crash phenomenon when equipment in the utility model, can carry out soft reboot by watchdog circuit, can be restarted firmly with remote control module, increase the stability of system, save human resources.
Description
Technical field
The utility model relates to safety monitoring system field of communication technology more particularly to a kind of image convergences based on LoRa
Gateway.
Background technique
For at present, in existing historical relic security system, camera timing is needed to capture picture and pass the picture captured
Return server end.Present some Cultural relics protection sites do not allow to be routed again, and existing wireless transmission method mainly passes through 3G/4G network
Or the scheme of wifi+ bridge.In currently existing scheme, it is higher that later period flow cost is transmitted by 4G, and with domestic SIM card
System of real name, process of in high volume applying for card are complicated.By wifi+ bridge mode, bridge higher cost, and reliability is unable to control, more
Number network problem appears on bridge.Both transmission modes, picture often occur Loss in transmission process and can also
There is 0KB picture.So needing a kind of preferably instead of transmission plan.
At this stage, Internet of Things industry faces comprehensive outburst trend.The network interconnection has become restriction Internet of Things and popularizes on a large scale
Factor.Using LoRa as the low-power consumption of representative, the appearance of long distance network technology, has an opportunity to break Internet of Things in terms of interconnection
Bottleneck.Currently, my company has gradually built up the communication network based on LoRa, need to communicate based on LoRa in thing network sensing layer
Image Acquisition node.
Therefore, it is necessary to a kind of image aggregation gateway based on LoRa be provided, to solve the above problems.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of image aggregation gateway based on LoRa.
A kind of image aggregation gateway based on LoRa provided by the utility model, including power module, main control module, LoRa
Wireless communication module, memory module, ethernet module；
Main control module: it is coupled with LoRa wireless communication module, memory module, ethernet module, power module；The master
Module is controlled by after the received image real time transfer conversion of LoRa wireless communication module, ftp server is sent to by ethernet module,
Not sent or not sent successful picture, the successful picture of transmission are stored into memory module；
LoRa wireless communication module: the image data information that LoRa node is sent is received, main control module is fed back to；Root simultaneously
According to the control of main control module, switch communication mode；The LoRa wireless communication module is integrated on pcb board, and is integrated with LoRa
The PCB plate of wireless communication module is connected with main control module, and is LoRa wireless communication module power supply by main control module；It is described
LoRa wireless communication module is preferably SX1278, and in the present invention, working frequency range is mainly 433M.
Memory module: it includes TF card and FLASH memory, by main control module treated image data storage, simultaneously
It stores the data such as various network protocol stacks, and there are also the information such as the subnet, channel, the ID that store product, also when network is bad,
Received data are stored, deposit not sent or not sent successful picture to ftp server in covering data when waiting network good
It stores up in FLASH memory, sends successful picture storage into TF card；The memory module is integrated on pcb board, and with
Main control module is connected, and is memory module power supply by main control module；The model of preferred flash memory herein
H27U4G8F2DTR。
Ethernet module: with ftp server communication connection, the image data after main control module processing conversion is transferred to
Ftp server；The ethernet module is integrated on pcb board, and is connected with main control module, is ether by main control module
Net module for power supply；The ethernet module is connected by communication with ftp server；
Power module: powering for entire node, while can export different voltages according to the control of main control module；It is described
Power module is connected with main control module, provides 3.3V voltage for main control module, for LoRa wireless communication module provide 3.3V and
5V voltage and voltage needed for providing work for other units or module, the signal transmission power of LoRa wireless communication module are
20db；When transmitting range farther out when provide 5V voltage, number transmission power be 30db, increase transmitting range, while reducing and losing
Packet rate, packet loss is less than 1%.
More preferred herein, the power module includes transformation voltage-stablizer, power supply；The transformation voltage-stablizer input terminal
It is electrically connected to a power source, output end is electrically connected with main control module, and output certain value electricity can be exported according to the control of main control module
Pressure, provide 3.3V voltage for main control module, provide 3.3V and 5V voltage for LoRa wireless communication module and be other units or
Voltage needed for module provides work.It is preferred herein, transformation voltage-stablizer model MP2303ADN voltage stabilizing chip, certainly
The transformation voltage stabilizing chip of other models can be selected according to actual needs, and the model of the listed transformation voltage-stablizer is only herein
Its selectable model, is not defined its brand and model, and those skilled in the art can according to actual needs, arbitrarily
Selection, no longer excessively repeats herein.
Herein more preferably, the power module includes line, AC-DC Switching Power Supply, DC-DC power source core
Piece, rechargeable battery, switch, booster circuit, diode, remote control module, LDO power supply chip, line is to pass through AC- herein
DC Switching Power Supply is transformed to the direct current transmission line of 12V, and the DC-DC power source chip is step down supplies chip, and model is preferred
For MP2303ADN, the rechargeable battery, switch, booster circuit, diode are all electric elements common in the art, therefore
This will not be repeated here, and diode is mainly used for being depressured, and the remote control module is mainly used for control output 5V voltage, receives long-range
The instruction short message that terminal is sent, at the same when system breaks down can by relay power-off restarting, solving therefore
The self-recovering function of device can be improved relative to simple gate dog circuit is only arranged in barrier；The LDO power supply chip is market
Upper common power supply chip, can be depressured with pressure stabilizing；The electrical energy inputs and AC-DC Switching Power Supply of the DC-DC power source chip
Output be connected, electrical energy inputs and the city of AC-DC Switching Power Supply are electrically connected, and the electric energy of electric energy output end and rechargeable battery is defeated
Enter end, the anode of diode is connected；The electric energy output end of the rechargeable battery is connected with the input terminal of booster circuit, booster circuit
Output end with switch be connected；The cathode of the diode is connected with switch；The output end of the switch and remote control module it is defeated
Enter end to be connected, the output end of the remote control module is connected with LDO power supply chip, main control module；The AC-DC Switching Power Supply also with
The input terminal of remote control module is connected, and powers for remote control module；The remote control module is also connect with mobile control device wireless telecommunications.
The remote control module includes control chip, relay；The control chip is electrically connected with relay, for control after
Electric appliance on-off, is connected with main control module, connect with mobile control device wireless telecommunications, under the instruction of mobile control device,
Control relay on-off；The input terminal of the relay is connected with the output end of switch, AC-DC Switching Power Supply；The relay
Output end be connected with LDO power supply chip input terminal, main control module；The control chip is coupled with main control module.When control core
After piece receives the instruction of mobile control device, chip controls relay on-off, Lai Shixian power-off restarting are controlled.
The control chip is wireless communication chips, model SIM800C.
Further embodiment is that the main control module includes embeded processor, expansion interface module, internet interface mould
Block, watchdog circuit, wherein watchdog circuit, is used to restart embedded when embeded processor generation erroneous procedures run winged
Processor；Its principle is that watchdog circuit is electrically connected with one I/O pin of embeded processor, and embeded processor is by being somebody's turn to do
I/O pin timing is sent into high level to watchdog circuit, once erroneous procedures, which occur, for embeded processor runs winged, this period
Watchdog circuit cannot receive the feeding-dog signal that embeded processor is sent, and watchdog circuit output reset signal is forced embedded
Processor is restarted；Preferred herein, watchdog circuit model CAT823 does not power off restarting for embeded processor.
The expansion interface module, internet interface module, watchdog circuit are connected with embeded processor.The insertion
Formula processor is single-chip microcontroller, and model is preferably AM3358, naturally it is also possible to select the monolithic of other models according to actual needs
Machine, the model of the listed single-chip microcontroller is only its selectable model herein, is not defined to its brand and model, this
Field technical staff can be any to select according to actual needs, no longer excessively repeats herein.
Preferably, the expansion interface module includes that SPI interface, LCD interface, RS485 interface, USB interface and SD card connect
Mouthful, a variety of external extension functions may be implemented, increased considerably the versatility of gateway.
Preferably, the internet interface module is one of GPRS interface, 3G/4G interface or WIFI interface or several
Kind, to realize the information exchange of gateway and internet, user can inquire gateway, node related information by mobile terminal.
Compared with the relevant technologies, the utility model has the following beneficial effects:
1. can carry out soft reboot when crash phenomenon occurs in equipment by watchdog circuit, can be carried out with remote control module
Restart firmly, increase the stability of system, saves human resources；
2. supporting not sent image querying and not sent image data being supported to export；Line node can be inquired not by gateway
The inquiry for sending image, determines the number and size of not sent image；
3. can switch sending mode according to transmitting range, convenient and small power consumption can carry out NTP time service by lora；
4. can control gateway by terminal real-time query gateway node related data by short message and restart, switching is different
Sending mode.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the power module circuitry connection relationship diagram of the utility model embodiment 1；
Fig. 3 is the power module circuitry connection relationship diagram of the utility model embodiment 2；
Fig. 4 is the remote control module connection relationship diagram of the utility model embodiment 2；
Fig. 5 is the main control module connection relationship diagram of the utility model embodiment 3.
Specific embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of image aggregation gateway based on LoRa of the utility model, including power module, master control mould
Block, LoRa wireless communication module, memory module, ethernet module；
Main control module: it is coupled with LoRa wireless communication module, memory module, ethernet module, power module；The master
Module is controlled by after the received image real time transfer conversion of LoRa wireless communication module, ftp server is sent to by ethernet module,
Not sent or not sent successful picture, the successful picture of transmission are stored into memory module；
LoRa wireless communication module: the image data information that LoRa node is sent is received, main control module is fed back to；Root simultaneously
According to the control of main control module, switch communication mode；The LoRa wireless communication module is integrated on pcb board, and is integrated with LoRa
The PCB plate of wireless communication module is connected with main control module, and is LoRa wireless communication module power supply by main control module；It is described
LoRa wireless communication module is preferably SX1278, and in the present invention, working frequency range is mainly 433M.
Memory module: it includes TF card and FLASH memory, by main control module treated image data storage, simultaneously
It stores the data such as various network protocol stacks, and there are also the information such as the subnet, channel, the ID that store product, also when network is bad,
Storage acquisition data store not sent or not sent successful picture to ftp server in covering data when waiting network good
Into FLASH memory, successful picture storage is sent into TF card；The memory module is integrated on pcb board, and with master
It controls module to be connected, and is memory module power supply by main control module；The model of preferred flash memory herein
H27U4G8F2DTR。
Ethernet module: with ftp server communication connection, the image data after main control module processing conversion is transferred to
Ftp server；The ethernet module is integrated on pcb board, and is connected with main control module, is ether by main control module
Net module for power supply；The ethernet module is connected by communication with ftp server；
Power module: powering for entire node, while can export different voltages according to the control of main control module；It is described
Power module is connected with main control module, provides 3.3V voltage for main control module, for LoRa wireless communication module provide 3.3V and
5V voltage and voltage needed for providing work for other units or module, the signal transmission power of LoRa wireless communication module are
20db；When transmitting range farther out when provide 5V voltage, number transmission power be 30db, increase transmitting range, while reducing and losing
Packet rate, packet loss 1%.
Embodiment 1
As shown in Fig. 2, in the present embodiment, the power module includes transformation voltage-stablizer, power supply；The transformation voltage-stablizer
Input terminal is electrically connected to a power source, and output end is electrically connected with main control module, can export output one according to the control of main control module
Fixed value voltage provides 3.3V voltage for main control module, provides 3.3V and 5V voltage for LoRa wireless communication module and is other
Voltage needed for unit or module provide work.It is preferred herein, transformation voltage-stablizer model MP2303ADN voltage stabilizing chip,
The transformation voltage stabilizing chip of other models can certainly be selected according to actual needs, herein the type of the listed transformation voltage-stablizer
Number be only its selectable model, its brand and model are not defined, those skilled in the art can be according to practical need
It wants, it is any to select, it no longer excessively repeats herein.
Embodiment 2
As shown in figure 3, in the present embodiment, the power module includes line, DC-DC power supply chip, charging electricity
Pond, switch, booster circuit, diode, remote control module, LDO power supply chip, line is to switch electricity by AC-DC herein
Source is transformed to the direct current transmission line of 12V.The DC-DC power source chip is step down supplies chip, and model is preferably
MP2303ADN, the rechargeable battery, switch, booster circuit, diode are all electric elements common in the art, therefore
This is not repeated them here, and diode is mainly used for being depressured, and the remote control module is mainly used for control output 3.3V voltage and 5V voltage,
Receive the instruction short message that remote terminal is sent, at the same when system breaks down can by relay power-off restarting,
Failure is solved, relative to simple gate dog circuit is only arranged, the self-recovering function of device can be improved；The LDO power supply core
Piece is power supply chip common on the market, can be depressured with pressure stabilizing；The electrical energy inputs and AC-DC of the DC-DC power source chip
The output of Switching Power Supply is connected, and the input of AC-DC Switching Power Supply is connected with 220V electric main, electric energy output end and charging electricity
The electrical energy inputs in pond, the anode of diode are connected；The input terminal phase of the electric energy output end of the rechargeable battery and booster circuit
Even, the output end of booster circuit is connected with switch；The cathode of the diode is connected with switch；The output end of the switch with it is distant
The input terminal for controlling module is connected, and the output end of the remote control module is connected with LDO power supply chip, main control module；The AC-DC is opened
Powered-down source is also connected with the input terminal of remote control module, powers for remote control module；The remote control module also with mobile control device without
Line communication connection.
As shown in figure 4, the remote control module includes control chip, relay；The control chip is electrically connected with relay,
For controlling relay on-off, it is connected with main control module, is connect with mobile control device wireless telecommunications, in mobile control device
Instruction under, control relay on-off；The input terminal of the relay is connected with the output end of switch, AC-DC Switching Power Supply；Institute
The output end for stating relay is connected with LDO power supply chip input terminal, main control module；The control chip is coupled with main control module.
After control chip receives the instruction of mobile control device, the on-off of chip controls relay, Lai Shixian power-off restarting are controlled.
The control chip is wireless communication chips, model SIM800C.
Embodiment 3
As the preferred embodiment of above-described embodiment, attached drawing 5 is please referred to, in the present embodiment, the main control module includes
Embeded processor, expansion interface module, internet interface module, watchdog circuit, wherein watchdog circuit, is embedded in for working as
When formula processor generation erroneous procedures run winged, embeded processor is restarted；Its principle is watchdog circuit and embeded processor
One I/O pin electrical connection, embeded processor are sent into high level to watchdog circuit by the I/O pin timing, once it is embedding
Enter the generation erroneous procedures race of formula processor to fly, this period watchdog circuit, which cannot receive the dog that feeds that embeded processor is sent, to be believed
Number, watchdog circuit output reset signal forces embeded processor to be restarted；It is preferred herein, watchdog circuit model
MAX6369 does not power off restarting for embeded processor.
The expansion interface module, internet interface module, watchdog circuit are connected with embeded processor.The insertion
Formula processor is single-chip microcontroller, and model is preferably AM3358, naturally it is also possible to select the monolithic of other models according to actual needs
Machine, the model of the listed single-chip microcontroller is only its selectable model herein, is not defined to its brand and model, this
Field technical staff can be any to select according to actual needs, no longer excessively repeats herein.
The expansion interface module includes SPI interface, LCD interface, RS485 interface, USB interface and SD card interface, can
To realize a variety of external extension functions, the versatility of gateway has been increased considerably.
The internet interface module is one or more of GPRS interface, 3G/4G interface or WIFI interface, thus real
The information exchange of existing gateway and internet, user can inquire gateway, node related information by mobile terminal, mobile phone etc..
When in use, when memory module is filled with, embeded processor can close LoRa radio communication mold after Ethernet suspension
The receive capabilities of block.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of image aggregation gateway based on LoRa, it is characterised in that: including power module, main control module, LoRa channel radio
Believe module, memory module, ethernet module；
Main control module: it is coupled with LoRa wireless communication module, memory module, ethernet module, power module；The master control mould
Block is sent to ftp server by ethernet module for after the received image real time transfer conversion of LoRa wireless communication module, will not
It sends or not sent successful picture, the successful picture of transmission is stored into memory module；
LoRa wireless communication module: the image data information that LoRa node is sent is received, main control module is fed back to；Simultaneously according to master
The control of module is controlled, communication mode is switched；The LoRa wireless communication module is integrated on pcb board, and it is wireless to be integrated with LoRa
The pcb board of communication module is connected with main control module, and is LoRa wireless communication module power supply by main control module；
Memory module: it includes TF card and FLASH memory, and by main control module treated image data storage, while it is stored up
There are the data such as various network protocol stacks, there are also the subnet, channel, the id informations that store product, also when network is bad, store institute
Receive data, arrives not sent or not sent successful picture storage to ftp server in covering data when waiting network good
In FLASH memory, successful picture storage is sent into TF card；The memory module is integrated on pcb board, and and master control
Module is connected, and is memory module power supply by main control module；
Ethernet module: with ftp server communication connection, the image data after main control module processing conversion is transferred to FTP clothes
Business device；The ethernet module is integrated on pcb board, and is connected with main control module, is Ethernet mould by main control module
Block power supply；The ethernet module is connected by communication with ftp server；
Power module: powering for entire node, while can export different voltages according to the control of main control module；The power supply
Module is connected with main control module.
2. a kind of image aggregation gateway based on LoRa as described in claim 1, it is characterised in that: the power module includes
Transformation voltage-stablizer, power supply；The transformation voltage-stablizer input terminal is electrically connected to a power source, and output end is electrically connected with main control module.
3. a kind of image aggregation gateway based on LoRa as described in claim 1, it is characterised in that: the power module includes
Line, AC-DC Switching Power Supply, DC-DC power source chip, rechargeable battery, switch, booster circuit, diode, remote control module,
LDO power supply chip；The electrical energy inputs of the DC-DC power source chip are connected with the output of AC-DC Switching Power Supply, AC-DC switch
The input of power supply is electrically connected with city, and electric energy output end is connected with the anode of the electrical energy inputs of rechargeable battery, diode；It is described
The electric energy output end of rechargeable battery is connected with the input terminal of booster circuit, and the output end of booster circuit is connected with switch；Described two
The cathode of pole pipe is connected with switch；The output end of the switch is connected with the input terminal of remote control module, the remote control module it is defeated
Outlet is connected with LDO power supply chip, main control module；The AC-DC Switching Power Supply is also connected with the input terminal of remote control module；It is described
Remote control module is also connect with mobile control device wireless telecommunications.
4. a kind of image aggregation gateway based on LoRa as claimed in claim 3, it is characterised in that: the remote control module includes
Control chip, relay；The control chip is electrically connected with relay, for controlling relay on-off, with main control module phase
Even, it is connect with mobile control device wireless telecommunications, under the instruction of mobile control device, controls relay on-off；The relay
The input terminal of device is connected with the output end of switch, AC-DC Switching Power Supply；The output end of the relay and LDO power supply chip are defeated
Enter end, main control module is connected；The control chip is coupled with main control module.
5. a kind of image aggregation gateway based on LoRa as claimed in claim 4, it is characterised in that: the control chip is nothing
Line communication chip.
6. a kind of image aggregation gateway based on LoRa as described in claim 1-4 is any, it is characterised in that: the master control mould
Block includes embeded processor, expansion interface module, internet interface module, watchdog circuit；The expansion interface module, mutually
Networking interface module, watchdog circuit are connected with embeded processor.
7. a kind of image aggregation gateway based on LoRa as claimed in claim 6, it is characterised in that: the expansion interface module
Including SPI interface, LCD interface, RS485 interface, USB interface and SD card interface.
8. a kind of image aggregation gateway based on LoRa as claimed in claim 6, it is characterised in that: the internet interface mould
Block is one or more of GPRS interface, 3G/4G interface or WI F PCI interface.
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| CN201821230810.6U CN208739147U (en) | 2018-08-01 | 2018-08-01 | A kind of image aggregation gateway based on LoRa |
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| CN201821230810.6U CN208739147U (en) | 2018-08-01 | 2018-08-01 | A kind of image aggregation gateway based on LoRa |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113438619A (en) * | 2021-06-29 | 2021-09-24 | 中车青岛四方车辆研究所有限公司 | Multi-data-source information acquisition system and method based on Internet of things |
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2018
- 2018-08-01 CN CN201821230810.6U patent/CN208739147U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113438619A (en) * | 2021-06-29 | 2021-09-24 | 中车青岛四方车辆研究所有限公司 | Multi-data-source information acquisition system and method based on Internet of things |
| CN113438619B (en) * | 2021-06-29 | 2023-03-03 | 中车青岛四方车辆研究所有限公司 | Multi-data-source information acquisition system and method based on Internet of things |
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