CN113473650A - Intelligent distributed gateway based on AIot technology and use method thereof - Google Patents

Abstract

The intelligent distributed gateway based on the AIot technology and the using method thereof are characterized in that the gateway is formed by metal die casting and comprises an outer shell and a bottom shell, a power GPIO interface, an indicator lamp, a switch key and a power line interface are arranged in a bottom groove of the outer shell, the power supply comprises two groups of aviation plugs, the rear end of the outer shell is sealed by the bottom shell, a PCBA assembly is arranged in the outer shell, a radio frequency socket is arranged on the PCBA assembly, the radio frequency socket is provided with an SMA interface, at least two groups of radio frequency antennas are arranged on the SMA interface, the radio frequency antennas are rotatably connected with the SMA interface, one group of radio frequency antennas are connected with a cloud server, and the other group of radio frequency antennas are connected with an AIot intelligent distributed controller; the invention sets a plurality of radio frequency antennas on the SMA interface, and simultaneously has the connection transfer control capability of the uplink and the downlink, when the uplink can not contact the cloud server, the edge calculation and the edge server exist independently, thereby avoiding the system paralysis caused by the loss of control of the downlink and the related equipment controlled by the downlink.

Description

Intelligent distributed gateway based on AIot technology and use method thereof

Technical Field

The invention relates to the field of gateways, in particular to an intelligent distributed gateway based on an AIot technology and a using method thereof.

Background

The existing like products are mainly made of plastic injection molding machine shell type products in the aspect of distributed controllers, aluminum alloy section bar extrusion machine shells are used for part of the products, sheet metal parts are used for part of the products to be bent and welded to form the products, almost all gateway products are used as node equipment for information forwarding, the products are provided with a framework which is centrally controlled by an upper computer, and the whole system is integrated and established.

In industrial applications, the prior art has the following problems:

the radio frequency requirement performance and the controller body are integrated, the compatibility of different radio frequency requirements is not considered, and the existing controller only selects a specific controller design scheme due to cost consideration, so that different frequency bands cannot be compatible;

only a signal control mechanism based on switching value is adopted, collection and sending of reading signals of discrete sensors are not considered, and less support is provided for other control schemes based on analog quantity collection sensors and digital quantity output;

most products are plastic casings, the strength and high-temperature characteristics, EMC and EMI characteristics are not outstanding, even the products are designed at one time, and the products cannot be overhauled;

some products are extruded and molded by aluminum alloy profiles, but the connection parts are fastened by screws, and the circuit board is inserted into the groove body of the profiles, so that the product is scrapped in advance due to the fact that the connection gap of the product is increased under the premise of external force or aging;

the precision of the product manufactured by the sheet metal is lower, and the product has a part of same situation as an aluminum alloy extruded product in performance characteristics, but the sheet metal part mostly adopts SPCC (spray copper clad laminate) to be subjected to surface treatment, so that the requirement on environmental protection is higher;

all gateway products exist only as transfer stations of information, basically do not execute operation instructions and actions, and can normally work only by being networked together with a downlink module, so that the system overhead and the cost are high.

Disclosure of Invention

The invention aims to provide an intelligent distributed gateway based on AIot technology and a using method thereof.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the intelligent distributed gateway based on the AIot technology is characterized in that the gateway is formed by metal die-casting and comprises an outer shell and a bottom shell which are sequentially arranged from top to bottom, a power GPIO interface, an indicator lamp, a switch key and a power line interface are arranged in a bottom groove of the outer shell, the power GPIO interface comprises two groups of aviation plugs, the rear end of the outer shell is sealed through the bottom shell, the bottom shell comprises an inner cover and an outer cover, the inner cover and the outer cover are sequentially arranged from top to bottom, corresponding screw holes are formed in the inner cover and the outer cover along the circumferential direction, bolts penetrate through the screw holes, a gourd hole is formed in one side of the rear end of the outer shell, an installation metal plate is arranged at the upper end of the rear cover, a metal plate gourd hole matched with the gourd hole is formed in one side of the installation metal plate, and a screw hole matched with the inner cover and the outer cover is formed in the other side of the installation metal plate;

a PCBA assembly is arranged in the outer shell, a radio frequency socket is arranged on the PCBA assembly, an SMA interface is arranged on the radio frequency socket, at least two groups of radio frequency antennas are mounted on the SMA interface, the radio frequency antennas are rotatably connected with the SMA interface, one group of radio frequency antennas is connected with the cloud server, and the other group of radio frequency antennas is connected with the AIot intelligent distributed controller;

further, a label groove is formed in the middle of the rear end of the outer cover and used for containing a label.

Furthermore, a plurality of rear cover connecting columns are arranged in the outer shell along the front-rear direction, rear cover connecting holes are formed in the center of the rear cover connecting columns, and the rear cover connecting holes are connected with the inner cover and the screw holes of the outer cover in a matched mode through bolts.

Further, the outer fringe of PCBA assembly is equipped with a plurality of fixed orificess, be equipped with a plurality of PCBA spliced poles along the fore-and-aft direction in the shell, the central authorities of PCBA spliced pole are equipped with the PCBA connecting hole, the PCBA connecting hole passes through the bolt cooperation with the fixed orifices and is connected.

Furthermore, still be equipped with waterproof RJ45 interface on the PCBA assembly, waterproof RJ45 interface is connected with the STP twisted pair.

The use method of the intelligent distributed gateway based on the AIot technology is characterized by comprising the following steps:

step S1), logging in a cloud background system through a WEB end or a mobile end APP of a computer, judging whether a used link is a paid public network link or a free industrial frequency band, if the used link is the paid public network link, skipping to step S2, and if the used link is the free industrial frequency band, skipping to step S3;

step S2), if the link uses a 4G \ NBIot \ GPRS payment public network link, adding an ISD serial number in a cloud background system, finding an MAC address to set binding when using RJ45 connection, and jumping to the step S4;

step S3) if the link uses a free industrial frequency band, adding an AIot intelligent distributed gateway, logging in the gateway after the adding is successful, searching downlink equipment from the gateway end, scanning codes by using a mobile end APP after the searching is finished, or inputting an ISD serial number in the mobile end APP for binding and installation, and jumping to the step S4;

step S4), after the signals of the gateway, the cloud background system and the distributed controller end of the downlink are switched on, a test signal is transmitted, the suction and the break of a plurality of paths of relays are respectively monitored according to the type of the distributed controller equipment, and if the corresponding suction sound of the relays is repeatedly heard, the switching value is good;

step S5), when the gateway takes the MOS tube and the transistor as output, the normal range of the output voltage and the current is monitored, and after the output is determined to be normal, the function is debugged normally;

step S6), when the signal output function of the PWM and the analog-digital/digital-analog converter is used, the APP outputs and inputs related signals at the mobile terminal, and loads the normal execution and monitoring sensor, and the parameter state is maintained after the test is normal;

step S7), in the temperature and humidity monitoring function, the temperature and humidity environment of the gateway is changed for the jump of the monitoring parameters to observe the sensitivity and the accuracy of the monitoring;

step S8), the AIot intelligent distributed controller is installed on the lamp, and the antenna position angle is debugged.

According to the invention, the plurality of radio frequency antennas are arranged on the SMA interface, and simultaneously, the system has the connection transfer control capability of the uplink and the downlink, when the uplink does not contact the cloud server, the edge computing and the edge server can exist independently, and the downlink and the related equipment controlled by the edge computing and the edge server are not out of control, so that the system is not paralyzed; the modularized design scheme is used, the strength of the machine body is separated from the electrical scheme, the maximum electrical operation space is provided, and support is provided for iterative upgrading and deployment of different radio frequency schemes.

Drawings

FIG. 1 is a disassembled view of the overall structure of the present invention;

FIG. 2 is a disassembled view of the outer housing, PCBA assembly and bottom housing of the present invention;

FIG. 3is another exploded view of the outer housing, PCBA assembly and bottom shell of the present invention;

FIG. 4 is an assembled view of the present invention;

fig. 5 is a system configuration diagram in the practice of the present invention.

Reference numerals:

1 outer shell, 2 bottom shell, 3 power GPIO interface, 4 indicator light, 5 switch key,

6 aviation plug, 7 PCBA assembly, 8 power line interface, 9 inner cover, 10 outer cover,

11 gourd holes, 12 mounting metal plates, 13 screw holes, 14 radio frequency sockets, 15 metal plate gourd holes,

16 radio frequency antenna, 17 label groove, 18 back cover connecting column, 19 back cover connecting hole, 20 bolt,

21 fixed holes, 22 PCBA connecting columns, 23 PCBA connecting holes, 24 waterproof RJ45 interfaces,

25 spare lithium batteries, 26 switching power supply modules, 27 power supply sockets, 28 GPIO connectors,

29 relays, 30 RJ45 modules, 31 transistor output groups, 32 switch indicator light sockets,

33 gateway, 34 distributed controller, 35 computer, 36 mobile terminal APP, 37 cloud background system.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention discloses an intelligent distributed gateway based on an AIot technology, as shown in figure 1, the gateway is formed by metal die casting and comprises an outer shell 1 and a bottom shell 2 which are sequentially arranged from top to bottom, a power GPIO interface 3, an indicator lamp 4, a switch key 5 and a power line interface 8 are arranged in a bottom groove of the outer shell 1, the power GPIO interface 3 comprises two groups of aviation plugs 6, the rear end of the outer shell 1 is sealed by the bottom shell 2, the bottom shell 2 comprises an inner cover 9 and an outer cover 10, the inner cover 9 and the outer cover 10 are sequentially arranged from top to bottom, corresponding screw holes 13 are formed in the circumferential direction of the inner cover 9 and the outer cover 10, and bolts 20 penetrate through the screw holes 13.

One side of 1 rear end of shell body is equipped with calabash hole 11, the upper end of back lid is equipped with installation panel beating 12, one side of installation panel beating 12 is equipped with the panel beating calabash hole 15 with calabash hole 11 matched with, the opposite side of installation panel beating 12 is equipped with and inner cup 9 and enclosing cover 10 complex screw 13.

Be equipped with PCBA assembly 7 in the shell body 1, be equipped with radio frequency socket 14 on the PCBA assembly 7, radio frequency socket 14 is equipped with the SMA interface, at least two sets of radio frequency antenna 16 of SMA interface installation, radio frequency antenna 16 and SMA interface swivelling joint, one of them group's radio frequency antenna 16 is connected with the high in the clouds server, and another group's radio frequency antenna 16 is connected with AIot intelligence distributed controller and comes cluster control.

The middle part of enclosing cover 10 rear end is equipped with label groove 17, label groove 17 holds the label, be equipped with a plurality of back lid spliced pole 18 along the fore-and-aft direction in the shell body 1, the central authorities of back lid spliced pole 18 are equipped with back lid connecting hole 19, back lid connecting hole 19 passes through bolt 20 cooperation with the screw 13 of inner cup 9 and enclosing cover 10 and is connected.

The outer fringe of PCBA assembly 7 is equipped with a plurality of fixed orificess 21, be equipped with a plurality of PCBA spliced pole 22 along the fore-and-aft direction in the shell body 1, PCBA spliced pole 22's central authorities are equipped with PCBA connecting hole 23, PCBA connecting hole 23 passes through the bolt 20 cooperation with fixed orifices 21 and is connected.

The PCBA assembly 7 is provided with a waterproof RJ45 interface 24, the waterproof RJ45 interface 24 is connected with an STP twisted pair, the wired connection of a super six types of STP twisted pairs is allowed to be used as a backup of a wireless link, and communication faults are prevented in important industrial occasions to improve the reliability of the system.

The integrated reserve lithium cell 25 that sets up in upper end of PCBA assembly 7, switching power supply module 26, supply socket 27, GPIO connects 28, a plurality of relays 29, RJ45 module 30, 31 and the switch indication lamp socket 32 of transistor output group, reserve lithium cell 25 is the power supply of PCBA assembly 7, switching power supply module 26 corresponds with switch button 5 and is connected, GPIO connects 28 and power GPIO interface 3 and corresponds and is connected, RJ45 module 30 corresponds with RJ45 interface 24 and is connected, switch indication lamp socket 32 corresponds with switch button 5 and is connected.

As shown in fig. 5, the intelligent distributed gateway of the present invention cooperates with the cloud background system 37, the mobile APP36 and the distributed controller 34 to control specific devices in a downlink manner.

Taking a railway tunnel intelligent shock absorber as an example, a free 2.4G zigbee protocol is used at a shock absorber end, a group of intelligent shock absorber groups within 256 are connected to an AIot intelligent distributed gateway through a downlink, and then the gateway end is connected to a cloud server end through 4G \ NBIot, and the real-time shock absorber state and fault indication are monitored through a web end or a mobile App end.

By taking intelligent distributed control in railway lighting as an example, when the intelligent gateway is installed on an LED lighting lamp, the intelligent gateway Can be directly started and closed according to the requirements of time, weather, environment and special events, and also has the functions of monitoring the current, voltage and power of the lamp, an internal basic temperature and humidity sensor monitors the temperature and humidity situation of the intelligent gateway at any time, and on the basis, the intelligent gateway also has PWM and an analog-digital/digital-analog converter, and Can also carry out bus monitoring and control under the condition of integrating 485 or Can chips according to the number of ports.

The data is insensitive in cost, high in real-time requirement and low in deployment amount, and can be directly sent to a server side by adopting frequency bands such as 4G \ NBIot and the like to carry out web or mobile side APP monitoring control;

when the cost-sensitive deployment volume is large, a 4G-function AIot intelligent distributed gateway is adopted, 4G is used as an uplink connection server, 315M, 433M, 2.4G and 5.8G are used as downlinks, the gateway is deployed for free by using Zigbee, LORA and wifi protocols or technologies, and no less than 200 pieces of downlink node equipment are mounted by one gateway according to overhead and link environments.

In specific implementation, taking railway or tunnel lighting as an example, the use method of the intelligent distributed gateway based on the AIot technology comprises the following steps:

step S1) logging in the cloud background system 37 through the WEB end or the mobile end APP36 of the computer 35, judging whether the used link is a paid public network link or a free industrial frequency band, if the used link is the paid public network link, skipping to the step S2, and if the used link is the free industrial frequency band, skipping to the step S3;

step S2) if the link uses a 4G \ NBIot \ GPRS payment public network link, adding an ISD serial number in the cloud background system 37, finding an MAC address to set binding when using RJ45 connection, and jumping to the step S4;

step S3) if the link uses free industrial frequency band, adding the AIot intelligent distributed gateway 33, logging in the gateway 33 after the addition is successful, searching downlink equipment from the gateway 33, using the mobile terminal APP36 to scan codes after the search is completed, or inputting ISD serial number at the mobile terminal APP36 to bind and install, and jumping to step S4;

step S4), after the signals of the gateway 33, the cloud background system 37 and the distributed controller 34 end of the downlink are switched on, a test signal is transmitted, the suction on/off of a plurality of paths of relays 29 is respectively monitored according to the type of the distributed controller 34 equipment, and if the suction on/off sound of the corresponding relays 29 is repeatedly heard, the switching value is good;

step S5) when the gateway 33 uses the MOS transistor and the transistor as the output, monitoring the normal range of the output voltage and the current, and after determining that the output is normal, the function is normally debugged;

step S6), when the PWM and analog-digital/digital-analog converter signal output functions are used, the input related signals are output at the mobile terminal APP36, the sensors are normally executed and monitored, and the parameter state is kept after the test is normal;

step S7), in the temperature and humidity monitoring function, the temperature and humidity environment of the gateway 33is changed for the jump of the monitoring parameters to observe the sensitivity and accuracy of the monitoring;

step S8), after the debugging is normally finished, the AIot intelligent distributed controller 34 is installed on the lamp, and the position angle of the antenna is debugged to achieve a better signal state.

Taking the track floating plate intelligent damper as an example, the method comprises the following steps:

before the use, login the cloud backstage system 37 through the WEB end of computer 35 or mobile end APP36 first, when the link uses 4G/NBIot/GPRS pay public network link, the cloud backstage system 37 adds the ISD serial number, when using RJ45 to connect, find the MAC address and set the binding.

The mobile terminal APP36 who uses intelligent shock absorber logs in the registration back to the administrator identity adds gateway 33ISD number and binds, then uses mobile terminal APP36 to scan the two-dimensional code of intelligent shock absorber, adds or inputs the ISD serial number of intelligent shock absorber, and initial data and save in the high in the clouds are recorded to grade highway section and shock absorber identity number.

When the non-intelligent scale shock absorber is loaded, the user logs in the gateway 33, marks the road section and the identity number of the shock absorber, records the initial value and the initial time and stores the initial value and the initial time in the cloud.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. The intelligent distributed gateway based on the AIot technology is characterized in that the gateway is formed by metal die-casting and comprises an outer shell and a bottom shell which are sequentially arranged from top to bottom, a power GPIO interface, an indicator lamp, a switch key and a power line interface are arranged in a bottom groove of the outer shell, the power GPIO interface comprises two groups of aviation plugs, the rear end of the outer shell is sealed through the bottom shell, the bottom shell comprises an inner cover and an outer cover, the inner cover and the outer cover are sequentially arranged from top to bottom, corresponding screw holes are formed in the inner cover and the outer cover along the circumferential direction, bolts penetrate through the screw holes, a gourd hole is formed in one side of the rear end of the outer shell, an installation metal plate is arranged at the upper end of the rear cover, a metal plate gourd hole matched with the gourd hole is formed in one side of the installation metal plate, and a screw hole matched with the inner cover and the outer cover is formed in the other side of the installation metal plate;

be equipped with the PCBA assembly in the shell body, be equipped with the radio frequency socket on the PCBA assembly, the radio frequency socket is equipped with the SMA interface, at least two sets of radio frequency antenna of SMA interface installation, radio frequency antenna and SMA interface swivelling joint, one of them group's radio frequency antenna is connected with high in the clouds server, and another group's radio frequency antenna is connected with AIot intelligence distributed controller.

2. The AIot technology based intelligent distributed gateway according to claim 1 wherein a label slot is provided in a middle portion of the outer lid back end, the label slot receiving a label.

3. The AIot technology-based intelligent distributed gateway of claim 1, wherein a plurality of back cover connection columns are arranged in the outer shell along the front-back direction, a back cover connection hole is arranged in the center of each back cover connection column, and the back cover connection holes are connected with the screw holes of the inner cover and the outer cover in a matched mode through bolts.

4. The AIot technology-based intelligent distributed gateway of claim 1, wherein the outer edge of the PCBA assembly is provided with a plurality of fixing holes, the inner part of the outer shell is internally provided with a plurality of PCBA connecting columns along the front-back direction, the center of the PCBA connecting column is provided with a PCBA connecting hole, and the PCBA connecting hole is in fit connection with the fixing holes through bolts.

5. The AIot technology-based intelligent distributed gateway of claim 1 wherein a waterproof RJ45 interface is further provided on the PCBA assembly, said waterproof RJ45 interface being connected with an STP twisted pair.

6. The use method of the intelligent distributed gateway based on the AIot technology is characterized by comprising the following steps:

step S1), logging in a cloud background system through a WEB end or a mobile end APP of a computer, judging whether a used link is a paid public network link or a free industrial frequency band, if the used link is the paid public network link, skipping to step S2, and if the used link is the free industrial frequency band, skipping to step S3;

step S2), if the link uses a 4G \ NBIot \ GPRS payment public network link, adding an ISD serial number in a cloud background system, finding an MAC address to set binding when using RJ45 connection, and jumping to the step S4;

step S3) if the link uses a free industrial frequency band, adding an AIot intelligent distributed gateway, logging in the gateway after the adding is successful, searching downlink equipment from the gateway end, scanning codes by using a mobile end APP after the searching is finished, or inputting an ISD serial number in the mobile end APP for binding and installation, and jumping to the step S4;

step S4), after the signals of the gateway, the cloud background system and the distributed controller end of the downlink are switched on, a test signal is transmitted, the suction and the break of a plurality of paths of relays are respectively monitored according to the type of the distributed controller equipment, and if the corresponding suction sound of the relays is repeatedly heard, the switching value is good;

step S5), when the gateway takes the MOS tube and the transistor as output, the normal range of the output voltage and the current is monitored, and after the output is determined to be normal, the function is debugged normally;

step S6), when the signal output function of the PWM and the analog-digital/digital-analog converter is used, the APP outputs and inputs related signals at the mobile terminal, and loads the normal execution and monitoring sensor, and the parameter state is maintained after the test is normal;

step S7), in the temperature and humidity monitoring function, the temperature and humidity environment of the gateway is changed for the jump of the monitoring parameters to observe the sensitivity and the accuracy of the monitoring;

step S8), the AIot intelligent distributed controller is installed on the lamp, and the antenna position angle is debugged.

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