CN207869410U - A kind of bimodulus single-antenna wireless group network system of embedded gateway - Google Patents

Abstract

The utility model provides a kind of bimodulus single-antenna wireless group network system of embedded gateway, is related to wireless telecommunications system field.Wherein, including at least one embedded relay and at least one embedded end-point devices, the embedded end-point devices include the first pcb board and endpoint unit, and the endpoint unit includes endpoint MCU and the first LORA modem；The embedded relay includes the second pcb board and relay unit, and the relay unit includes combiner, NB IoT modules and the 2nd LORA modem；It is NB signals by the LORA signals sent after the aspect conversion of the NB IoT modules, the NB IoT modules can send the NB signals to the combiner, and the combiner is exported after combining the NB signals and the LORA signals by second antenna.A kind of bimodulus single-antenna wireless group network system of embedded gateway of the utility model is simple in structure and low-power consumption, can be compatible with LORA and NB IoT modules using single MCU, overall structure miniaturization can be embedded in inside equipment.

Description

A kind of bimodulus single-antenna wireless group network system of embedded gateway

Technical field

The utility model is related to wireless telecommunications system technical fields, in particular to a kind of bimodulus of embedded gateway Single-antenna wireless group network system.

Background technology

At present the wireless data monitorings industries such as traditional sensor monitoring, radio meter register, unmanned counter (as municipal administration, environmental sanitation, Agricultural irrigation, wisdom block, the industries such as intelligence wearing), usually using various wireless networking modes；And in this high speed of Internet of Things The age of development, the demand of wireless device networking are even more to be broken out in blowout.Networking difficulty and networking load are also increasingly heavier.

Traditional networking mode, in certain area coverage carry out constructing local network (such as wifi, zigbee, bluetooth, LORA, 433Mhz), then several data concentrators of arrangement or intelligent gateway in place, intelligent gateway use again The communication modes such as GPRS or 3G/4G are connected with platform, carry out data and mutually pass and monitor.This networking mode, need one or Several high costs, big power consumption, the intelligent gateway being individually laid out.Using the platforms communication modes such as GPRS or 3G/4G, again Increase and outer antenna；And increasing with area's intradomain gateway number, base station also increasingly can't bear the heavy load.So with Internet of Things Networking equipment develops towards smallerization, explosion type equipment amount, low-power consumption, small data quantity demand direction, traditional wireless networking Mode will increasingly be not suitable for and cause cost waste and load down phenomenon.Then it is proposed that a kind of pair of embedded gateway Mould single-antenna wireless group network system solves this Internet of Things industry wireless networking pain spot.

Utility model content

The utility model provides a kind of simple in structure, low-power consumption, single MCU can be compatible with LORA and NB-IoT modules Embedded gateway bimodulus single-antenna wireless group network system, it is intended to improve increasing due to gateway number, lead to load of base station mistake Big and big overall power technical problem.

The utility model is realized in this way：

A kind of bimodulus single-antenna wireless group network system of embedded gateway, including at least one embedded relay and extremely Few embedded end-point devices；Each embedded end-point devices include the first PCB plates and endpoint unit, the endpoint Unit includes the endpoint MCU and the first LORA modem of circuit connection, and the first LORA modem are received by first antenna LORA signals, and under the control of the endpoint MCU LORA signals are sent to the embedded relay；It is each described Embedded relay includes the second pcb board and relay unit, and the relay unit includes combiner, NB-IoT modules and second LORA modem；The 2nd LORA modem receive the LORA signals that the first antenna is sent by the second antenna, And the LORA signals are sent to the NB-IoT modules and the combiner under the control of the NB-IoT modules；Definition is logical It is NB signals to cross the LORA signals that send after the aspect conversion of the NB-IoT modules, and the NB-IoT modules can be to described Combiner sends the NB signals, and the combiner passes through described second day after combining the NB signals and the LORA signals Line exports.

As a further improvement, the NB-IoT modules include main control MCU and NB-IoT transceivers, the main control MCU is used The LORA signals are sent to the NB-IoT transceivers and the combiner in controlling the 2nd LORA modem, it is described NB-IoT transceivers send the NB signals to the combiner and receive the LORA signals.

As a further improvement, the main control MCU includes main control chip, the main control MCU is further with described second LORA modem chip circuits connection in LORA modem；The main control MCU for control the LORA modem chips into The reception of the row LORA signals, and the control LORA modem chips realize the 2nd LORA modem to the conjunction Road device sends the LORA signals.

As a further improvement, the main control chip can be Hi2110 or MT2625 or RD8909 or MDM9206；It is described LORA modem chips can be SX1276 or SX1278.

It is decorated as a further improvement, each embedded relay corresponds at least one embedded end of reception The signal data set.

As a further improvement, the NB signals and the LORA signals are sent respectively to the base stations NB-IoT by the antenna With the base stations LORA.

As a further improvement, first pcb board is single sided board, second pcb board is dual platen.

As a further improvement, the band limits of the antenna is 433~960Mhz.

The utility model has the beneficial effects that：

1. a kind of bimodulus single-antenna wireless group network system of embedded gateway of the utility model integrally uses unique LORA The combination of ad hoc network and NB-IoT wide area networks avoids each equipment from being directly connected to by first building LAN with LORA To base station, then with NB-IoT network connections to the base stations NB-IoT, wide area network base station load is reduced；Simultaneously from LAN to wide area network All using the lowest power consumptions agreement such as LORA+NB-IoT, abandoning tradition networking mode, using the extra small structure of embedded equipment, It can be directly embedded into and want inside networked devices, without in addition arrangement gateway, realize the low-consumption wireless networking for removing gateway, substantially drop The cost and power consumption of low Tandem Gateway are particularly suitable for the wireless networking application of Internet of Things small data quantity.

2. the NB-IoT modules in a kind of bimodulus single-antenna wireless group network system of embedded gateway of the utility model use Existing NB-IoT chips connect LORA modem chips on the basis of this main control MCU, then by the addition of simple software, So that main control MCU controls the transmitting-receiving that LORA modem chips realize LORA signals, LORA modem chips are this saved former The control MCU of this needs reduces device cost, and without repeating individually to remove power supply modules.

3. a kind of bimodulus single-antenna wireless group network system of embedded gateway of the utility model is designed using combiner, can incite somebody to action The signal composition of different frequency range together afterwards by single antenna receiving and transmitting signal, can common antenna, the double antenna installation of abandoning tradition, Lower equipment cost significantly.

4. a kind of bimodulus single-antenna wireless group network system overall power of embedded gateway of the utility model is low, using single electricity Pressure design can use battery powered, reduce cost and be more suitable for industry or the inconvenient occasion of power supply.

5. a kind of bimodulus single-antenna wireless group network system of embedded gateway of the utility model includes integrally NB-IoT moulds The combination of block, the 2nd LORA modem, endpoint MCU, the first tetra- parts LORA modem can freely convert endpoint and trunk network It closes, can be used as the use of networking endpoint, and can be used as gateway relay, accomplish that super-small, low-power consumption realize arbitrary insertion The purpose of free wireless networking.

Description of the drawings

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is a kind of structural schematic diagram of the bimodulus single-antenna wireless group network system of embedded gateway of the utility model；

Fig. 2 is a kind of systematic schematic diagram of the bimodulus single-antenna wireless group network system of embedded gateway of the utility model.

Main element symbol description

Embedded end-point devices 10

First pcb board 11

Endpoint unit 12

Endpoint MCU 121

First LORA modem 122

Embedded relay 20

Second pcb board 21

Relay unit 22

NB-IoT modules 221

Main control MCU 2211

NB-IoT transceivers 2212

2nd LORA modem 222

Combiner 223

First antenna 30

Second antenna 40

The base stations NB-IoT x

The base stations LORA y

Specific implementation mode

To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Described convenient for description the utility model and simplifying, do not indicate or imply the indicated equipment or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

It please refers to Fig.1 to Fig. 2, in embodiment, a kind of bimodulus single-antenna wireless group network system of embedded gateway, specifically , including at least one embedded relay 20, at least one embedded end-point devices 10, first antenna 30 and the second antenna 40, each embedded relay 20 and each embedded end-point devices 10 are correspondingly arranged in what a needs were networked In equipment；The embedded relay 20 and the embedded end-point devices 10 are by being wirelessly connected, distance between the two Up to 1~2 km.

Each embedded end-point devices 10 include the first pcb board 11 and endpoint unit 12, and the endpoint unit 12 wraps The endpoint MCU121 and the first LORA modem122 of circuit connection are included, the first LORA modem122 pass through first antenna 30 LORA signals are received, and the LORA letters are sent to the embedded relay 20 under the control of the endpoint MCU121 Number.The endpoint MCU121 can be common microcontroller.

Each embedded relay 20 includes the second pcb board 21 and relay unit 22, and the relay unit 22 wraps Include combiner 223, NB-IoT modules 221 and the 2nd LORA modem222 of equal circuit connection between any two；2nd LORA Modem222 receives the LORA signals of the transmission of the first antenna 30 by the second antenna 40, and in the NB-IoT modules Under 221 control the LORA signals are sent to the NB-IoT modules 221 and the combiner 223；Definition passes through described The LORA signals sent after the aspect conversion of NB-IoT modules 221 are NB signals, and the NB-IoT modules 221 can be to institute It states combiner 223 and sends the NB signals, the combiner 223 passes through after combining the NB signals and the LORA signals Second antenna 40 exports.It is designed using combiner 223, after being embedded into user equipment inside, it is only necessary to pull out an antenna The signal of different frequency range can be formed and signal is sent by single antenna afterwards together, the double antenna of abandoning tradition is installed, significantly Lower equipment cost.

The whole combination using unique LORA ad hoc network and NB-IoT wide area networks, by first with LORA structures office Domain net avoids each equipment from being connected directly to base station, then with NB-IoT network connections to the base stations NB-IoT x, reduces wide area network Load of base station；Simultaneously all using the lowest power consumptions agreement such as LORA+NB-IoT, abandoning tradition networking from LAN to wide area network Mode can be directly embedded into and be wanted inside networked devices using the extra small structure of embedded equipment, real without in addition arrangement gateway The cost and power consumption of Tandem Gateway is greatly reduced in the low-consumption wireless networking for now removing gateway, is particularly suitable for Internet of Things small data quantity Wireless networking application.

Referring to FIG. 2, in embodiment, the NB-IoT modules 221 include main control MCU 2211 and NB-IoT transceivers 2212, the main control MCU 2211 is for controlling the 2nd LORA modem222 to the NB-IoT transceivers 2212 and institute It states combiner 223 and sends the LORA signals, the NB-IoT transceivers 2212 send the NB signals to the combiner 223 With the reception LORA signals.

Further, the main control MCU 2211 include main control chip, the main control MCU further with the 2nd LORA LORA modem chip circuits connection in modem；The main control chip carries out institute for controlling the LORA modem chips The reception of LORA signals is stated, and the control LORA modem chips realize the 2nd LORA modem222 to the conjunction Road device 223 sends the LORA signals.

Specifically, the main control chip can be Hi2110 or MT2625 or RD8909 or MDM9206；The LORA modem Chip can be SX1276 or SX1278.

The NB-IoT modules 221 use existing NB-IoT chips, and LORA is connected on the basis of this main control MCU 2211 Modem chips, then the addition that passes through simple software so that main control MCU 2211 realizes LORA letters to control LORA modem chips Number transmitting-receiving, this save the control MCU that LORA modem chips need originally, reduce device cost, and without repeating Individually remove power supply modules.

Please refer to Fig.1 to Fig. 2, in embodiment, each embedded relay 20 correspond to receive it is at least one described The signal data of embedded end-point devices 10, specifically, because being limited by distance and region, an embedded relay 20 Possibly all embedded end-point devices 10 can not be covered, at this point, multiple embedded relays 20 are then needed, and it is different Embedded relay 20 can by the ID of each embedded end-point devices 10 and with they the distance between avoid repeating The LORA signals that identical embedded end-point devices 10 are sent out are received, for example, embedded in the center of one km of radius placement one Relay 20, the embedded end-point devices 10 in radius carry respective ID, and embedded relay 20 can only connect Receive the signal data of the correspondence ID in radius.By first building LAN with LORA, each equipment is avoided to be directly connected to To base station, then with NB-IoT network connections to the base stations NB-IoT x, the connection number of the current base stations 2G/3G/4G and negative is greatly reduced It carries, the connection number and coverage area of the base stations NB-IoT x are significantly larger than the tradition base stations 2G/3G/4G.

Referring to FIG. 1, in embodiment, the NB signals and the LORA signals are sent respectively to NB-IoT by the antenna The base station base station x and LORA y.

Referring to FIG. 1, in embodiment, first pcb board 11 is single sided board, and the 2nd PCB plates 21 are dual platen, Because embedded relay 20 contains two chips of NB-IoT chips and LORA modem, dual platen is needed to increase cloth Area is set, the size on the projecting direction of plank can reduce at this time, to realize the miniaturization of structure.

Further, it is respectively arranged with Quick Response Code in the embedded relay 20 and the embedded end-point devices 10 With respective ID, P2P configurations can be carried out by cell phone application barcode scanning or remote platform, replace screen, preferably realize integrally-built Miniaturization.

It please refers to Fig.1 to Fig. 2, the NB-IoT modules 221 and the 2nd LORA modem222 can also directly lead to The ttl serial ports crossed on first pcb board 11 is connect with computer, to realize the backup of the NB signals and the LORA signals, At this point, backup signal need not can be realized by not needing antenna and combiner 223.

The band limits of the antenna is 433~960Mhz, at present country's mainstream NB-IoT frequency ranges be Band5 (824~ 849Mhz, 869~894Mhz), Band8 (880~915Mhz, 925~960Mhz)；LORA frequency ranges are 433,470 frequency ranges.Therefore This antenna is merged using the combiner 223 comprising the i.e. 433~960Mhz of LORA and NB-IoT frequency ranges, reaches common antenna Purpose saves few cost, and facilitates installation.

Traditional gateway mostly using the form of ready-made packaged communication module combination in the market, as LORA modules+ NB-IoT modules 221 or LORA module+3G/4G modules etc., these virtually both increase hardware cost, dimensionally Gateway device can be made larger, it is poor in environmental signal, and be easy to interfere with each other.And the system of the utility model is whole It is low in energy consumption, it is all made of the hardware device most simplified, all using the device of low-power consumption and LORA and NB-IoT agreements, using single electricity Pressure design can be directly powered by external connection battery without centainly needing powerful power module to be powered, reduce at Originally and industry or the inconvenient occasion of power supply are more suitable for.

In addition to this, the bimodulus single-antenna wireless group network system of the embedded gateway need to only be done simple on hardware device Modification just can be used as the use of networking endpoint, and can be used as gateway relay；Such as：When this system is as wireless networking Endpoint when, 221 and the 2nd LORA modem222 of the NB-IoT modules can be saved, only use endpoint MCU121 and the first LORA The transmitting-receiving control of LORA signals can be completed in modem122, the LORA signal datas of endpoint is obtained from end-point devices, utmostly Optimize cost；Simultaneously compare traditional Tandem Gateway, this system as Tandem Gateway in use, additional LORA can be eliminated MCU is controlled, 2211 part of main control MCU of NB-IoT modules 221 is shared.It, also can be single when use condition does not have the base stations NB-IoT x The LORA signals that endpoint is solely collected using the 2nd LORA modem222 are concurrently served and pass to the base stations LORA y.

To sum up, the bimodulus single-antenna wireless group network system of this embedded gateway includes NB-IoT modules 221, second The combination of LORA modem222, endpoint MCU121, the first tetra- parts LORA modem122 can freely convert endpoint in After gateway, the use of networking endpoint is can be used as, and can be used as gateway relay, accomplishes that super-small, low-power consumption are realized arbitrary The purpose of embedded free wireless networking.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (8)

1. a kind of bimodulus single-antenna wireless group network system of embedded gateway, it is characterised in that：Including it is at least one it is embedded in After device and at least one embedded end-point devices；Each embedded end-point devices include the first pcb board and endpoint unit, The endpoint unit includes the endpoint MCU and the first LORA modem of circuit connection, and the first LORA modem pass through first Antenna receives LORA signals, and sends the LORA signals to the embedded relay under the control of the endpoint MCU； Each embedded relay includes the second pcb board and relay unit, and the relay unit includes combiner, NB-IoT moulds Block and the 2nd LORA modem；The 2nd LORA modem are received by the second antenna described in the first antenna transmission LORA signals, and under the control of the NB-IoT modules LORA letters are sent to the NB-IoT modules and the combiner Number；The LORA signals sent after the aspect conversion that definition passes through the NB-IoT modules are NB signals, the NB-IoT moulds Block can send the NB signals to the combiner, and the combiner passes through after combining the NB signals and the LORA signals The second antenna output.

2. the bimodulus single-antenna wireless group network system of embedded gateway according to claim 1, it is characterised in that：The NB- IoT modules include main control MCU and NB-IoT transceivers, and the main control MCU is for controlling the 2nd LORA modem to described NB-IoT transceivers and the combiner send the LORA signals, and the NB-IoT transceivers are to described in combiner transmission NB signals and the reception LORA signals.

3. the bimodulus single-antenna wireless group network system of embedded gateway according to claim 2, it is characterised in that：The master control MCU includes main control chip, and the main control MCU further connects with the LORA modem chip circuits in the 2nd LORA modem It connects；The main control MCU is used to control the reception that the LORA modem chips carry out the LORA signals, and described in control LORA modem chips realize that the 2nd LORA modem send the LORA signals to the combiner.

4. the bimodulus single-antenna wireless group network system of embedded gateway according to claim 3, it is characterised in that：The master control Chip can be Hi2110 or MT2625 or RD8909 or MDM9206；The LORA modem chips can be SX1276 or SX1278.

5. the bimodulus single-antenna wireless group network system of embedded gateway according to claim 1, it is characterised in that：It is each described Embedded relay corresponds to the signal data for receiving at least one embedded end-point devices.

6. the bimodulus single-antenna wireless group network system of embedded gateway according to claim 1, it is characterised in that：The antenna The NB signals and the LORA signals are sent respectively to the base stations NB-IoT and the base stations LORA.

7. the bimodulus single-antenna wireless group network system of embedded gateway according to claim 1, it is characterised in that：Described first Pcb board is single sided board, and second pcb board is dual platen.

8. the bimodulus single-antenna wireless group network system of embedded gateway according to claim 1, it is characterised in that：The antenna Band limits be 433~960Mhz.