CN207150594U - A kind of long range wireless communication relay - Google Patents
A kind of long range wireless communication relay Download PDFInfo
- Publication number
- CN207150594U CN207150594U CN201721203419.2U CN201721203419U CN207150594U CN 207150594 U CN207150594 U CN 207150594U CN 201721203419 U CN201721203419 U CN 201721203419U CN 207150594 U CN207150594 U CN 207150594U
- Authority
- CN
- China
- Prior art keywords
- module
- power supply
- wireless communication
- range wireless
- long range
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of long range wireless communication relay, including power supply module, central control unit and spread spectrum communication module, described central control unit electrically connects with power supply module and spread spectrum communication module respectively, and described spread spectrum communication module uses LoRa1278 wireless communication modules.Using linear spread spectrum, using 470~510MHz ISM unlicensed bands, communication distance farther out can be realized with relatively low transmission power.
Description
Technical field
The communications field is the utility model is related to, specifically a kind of long range wireless communication relay.
Background technology
In recent years, China's electric railway is popularized comprehensively, and contact net is as core power supply unit, its security run
Railway line with sexual intercourse is stablized, the contact line of contact net every 800-2000 rice just need to use some power line clamp continued accesses with
Ensure the continuity of power supply, technical term is referred to as Electricity Federation contact, and temperature monitoring is carried out to it just becomes very necessary.Relaying dress
Put and play the function served as bridge that temperature data is transferred to data monitoring center, installation site is return wire, it is desirable to small in volume,
It is more than the several years that power itself reliably working must be relied on once installing and using, therefore has strict requirements, Electricity Federation to power consumption
Node is more dispersed in chainlike distribution along circuit.
The method that can be easier to realize along the railway at present is sent data to using mobile data carrier network
Surveillance center, conventional is GSM/GPRS (GPRS, 2G networks) technology at this stage, but the technology can not be from pass
Machine state is rapidly switched to data transmission state, is required to every time using dial mode again through base station and the core of operator
Net is then connected to data monitoring center after establishing connection, and time-consuming for this process up to 60~180 seconds, and data pass after connection is established
The defeated time is shorter only several seconds, and most of energy expenditure is connected how establishing data with Operator Core Network, is during which put down
Electric current about 160mA (3.5V operating voltages) is consumed, if carrying out a data transfer according to 900 seconds, average consumed power is
37~112mW, low-power consumption application scenario can not be adapted to.
Utility model content
In order to solve the above problems, there is provided a kind of long range wireless communication relay, using linear spread spectrum, make
With 470~510MHz ISM unlicensed bands, communication distance farther out can be realized with relatively low transmission power.
The utility model embodiment provides a kind of long range wireless communication relay, including power supply module, center control
Unit processed and spread spectrum communication module, described central control unit electrically connect with power supply module and spread spectrum communication module respectively, institute
The spread spectrum communication module stated uses LoRa1278 wireless communication modules.
Further, described CPU uses the 8-digit microcontroller of TI companies MSP430 series reduced instruction 16.
Further, described power supply module includes main power supply module, auxiliary power module and power supply selection circuit, described
Main power supply module and auxiliary power module connect the input of power supply selecting module, the output end of the power supply selecting module respectively
Connect CPU.
Further, described power supply selecting module uses the BQ25504 chips of TI companies as main control chip.
Further, described main power supply module is lithium battery.
Further, described auxiliary power module includes feeder ear, energy acquisition circuit and energy storage module, described
The input of the output end connection energy acquisition circuit of feeder ear, the output end connection energy stores of described energy acquisition circuit
The input of module, the input of the output end connection power supply selecting module of the energy storage module.
Further, described feeder ear is solar panel or Current Mutual Inductance coil.
Further, described energy acquisition circuit includes mu balanced circuit and hysteresis loop comparator, the mu balanced circuit it is defeated
Enter end connection feeder ear, the output end connection hysteresis loop comparator input of the mu balanced circuit, the output of the hysteresis loop comparator
The input of end connection energy storage module.
Further, described energy storage module uses the one or more in following device：Super capacitor, polymer
Lithium battery, ferric phosphate lithium cell, polynary lithium battery, lithium titanate battery.
The effect provided in utility model content is only the effect of embodiment, rather than whole effects that utility model is all
Fruit, a technical scheme in above-mentioned technical proposal has the following advantages that or beneficial effect：
1st, this programme uses linear spread spectrum, using 470~510MHz ISM unlicensed bands, in negative signal to noise ratio bar
Under part still can recovering signal, communication distance farther out can be realized with relatively low transmission power；Use 470~510MHz frequencies
Section, when carrying out remote-wireless communication, than the obstacle energy of operator working frequency range (800/850/900/1800/1900Mhz)
Power is more preferable.Meanwhile in actual applications, the present apparatus electrically connects the temperature monitoring number of temperature collecting device by wirelessly receiving nearby
According to jumping mode by the temperature monitoring data forwarding of covered section to data centralised arrangement using level.
2nd, the present apparatus using solar energy and induction electric energy it is complementary collect based on energy power supply, the scheme that battery powered is auxiliary, when
In use, battery is not involved in power supply as standby, the valuable energy content of battery is saved the enough relays of collected energy
Get off, when collected energy is not enough to provide relay in use, battery intervention power supply, continues to ensure that relay is stable
Work, until being collected into enough energy, battery is transferred to backup status again.It can effectively improve and relay dress with the technical field
The self-powered ability put, reduce battery system capacity and volume, device power supply reliability is improved while cost-effective.
Brief description of the drawings
Fig. 1 is the theory diagram of the utility model embodiment；
Fig. 2 is the utility model application principle figure.
Embodiment
For the technical characterstic for illustrating this programme can be understood, below by embodiment, and its accompanying drawing is combined, to this reality
It is described in detail with new.It is of the present utility model for realizing that following disclosure provides many different embodiments or example
Different structure.In order to simplify disclosure of the present utility model, hereinafter the part and setting of specific examples are described.In addition,
The utility model can in different examples repeat reference numerals and/or letter.This repetition is to simplify and clear mesh
, the relation between itself not indicating discussed various embodiments and/or setting.It is it should be noted that illustrated in the accompanying drawings
Part is not drawn necessarily to scale.The utility model eliminates the description to known assemblies and treatment technology and process to avoid not
Necessarily limit the utility model.
A kind of long range wireless communication relay as shown in Figure 1, including power supply module, central control unit and spread spectrum are logical
Believe module, described central control unit electrically connects with power supply module and spread spectrum communication module respectively.
Described spread spectrum communication module uses Shenzhen to think the LoRa1278 wireless communication modules for wireless tech, and its core is
The SX1278 high sensitivity spread spectrum communication chips of Sheng Te companies of the U.S..The module peak emission current about 90mA, transmission power is only
100mW, antenna gain 2.5dBi, along the railway may be used in open field with 9.6kbps communication speeds communication distance up to 4Km
By communication distance ＞ 2Km, quiescent current ＜ 2uA.
Described CPU uses the 8-digit microcontroller of MSP430 series reduced instruction 16 of TI companies, the microcontroller
Utensil has the when excellent performance of power consumption splendid in the industry, and MSP430FR5738 is preferably used in this example.
The present apparatus operating voltage 3.5V, quiescent current 5uA, sleep time 500mS, detection time window are 2mS, detection electricity
8mA, therefore averaged static power consumption about 0.032mW are flowed, if carrying out a data transfer every 900S, traffic rate 9.6kbps,
Transmit 1500 bytes, it is contemplated that data packet retransmission, communication duration are not higher than 3S, consume electric current 90mA, then average single relaying dress
Put maximum power dissipation ＜ 1.1mW, if with power section most it is short 800 meters set 1, by 10Km set 13 calculating, then last
Level power consumption ＜ 1.1mW × 13=14.3mW.
Described power supply module includes main power supply module, auxiliary power module and power supply selection circuit, the main power supply mould
Block and auxiliary power module connect the input of power supply selecting module, the output end connection center of the power supply selecting module respectively
Processing unit.
Described main power supply module is lithium battery, described auxiliary power module include feeder ear, energy acquisition circuit and
Energy storage module, the input of the output end connection energy acquisition circuit of the feeder ear, described energy acquisition circuit
Output end connects the input of energy storage module, the input of the output end connection power supply selecting module of the energy storage module
End.
Described power supply selecting module is using the BQ25504 chips of TI companies as main control chip.Energy storage module
Electric energy accesses the chip, as the 14th pin VBAT voltage 3.1V-3.56V, 11 pin VBAT_OK output high level, now by energy
The energy of memory module is powered for subsequent conditioning circuit, if energy storage module supplements without external energy, input voltage continues to decline
When being not enough to maintain BQ25504 chips the 14th pin VBAT voltages of maintenance, VBAT voltages are begun to decline, as ＜ 2.39V, 11 pin
VBAT_OK exports low level, is now powered by disposable lithium cell for subsequent conditioning circuit, until energy storage module is collected into enough
Energy rises the pin VBAT voltages of BQ25504 the 14th, and as VBAT ＞ 3.1V, BQ25504 changes to energy stores again
Module for power supply, disposable lithium cell switch to backup status.
Described feeder ear is solar panel or Current Mutual Inductance coil.
Solar panel uses monocrystalline silicon or polycrystalline silicon material, using special stand be fixed on contact net return wire it
On, outdoor application need to use safety glass to protect, maximum output current 80mA, and energy acquisition circuit is accessed through diode-isolated.
2-40mA electric currents can be collected under rainy days or more cloud environments, 80mA electric current is may be up under fine day environment.
Current Mutual Inductance coil is installed on contact net return wire, and contact net return wire passes through electricity taking coil, and tolerance is once
Side electric current ＜ 1800A, secondary side output current ＜ 5A, when have electric locomotive by when, return wire can produce alternating current, take
On electric coil also simultaneously inductive output electric current, through diode rectifier circuit be converted to direct current access energy acquisition circuit.
Described energy acquisition circuit includes mu balanced circuit and hysteresis loop comparator, and the input connection of the mu balanced circuit supplies
Electric end, the output end connection hysteresis loop comparator input of the mu balanced circuit, the output end connection energy of the hysteresis loop comparator
The input of memory module.
Described energy storage module can be super capacitor, poly-lithium battery, ferric phosphate lithium cell, polynary lithium electricity
Pond, lithium titanate battery, flexibly selected according to the different scenes (environment temperature and power consumption situation) of application.
Super capacitor temperature range is wide (- 40~85 DEG C), discharge and recharge long lifespan (more than 500,000 times), is adapted to environment temperature
It is required that high non-maintaining occasion stored energy application.
Poly-lithium battery temperature range is narrow (0~60 DEG C), and charge and discharge electric life is shorter (800 times), is adapted to environment temperature
It is less demanding, there are the applications of maintenance condition.
Ferric phosphate lithium cell temperature range (- 20~70 DEG C), charge and discharge electric life (2000 times), is adapted to have certain environment temperature
It is required that there are the applications of maintenance condition.
Polynary lithium battery temperature range (- 30~70 DEG C), charge and discharge electric life (3000 times), be adapted to environment temperature requirement compared with
Applications that are high, having maintenance condition.
Lithium titanate battery temperature range (- 40~85 DEG C), charge and discharge electric life (20,000 times), be adapted to environment temperature requirement compared with
High almost maintenance-free applications.
Entirely the operation principle of power supply module is：
Induction electric energy accesses the double threshold voltage ratio being made up of amplifier jointly through bridge rectifier, solar energy through diode counnter attack
Compared with device composition energy acquisition circuit, when have external energy input and energy storage module stored by energy be not up to specified appearance
Amount, the switch that energy acquisition circuit opens energy delivery outlet charges for energy storage module, when the energy of energy storage module storage
Amount reaches rated capacity, and energy acquisition circuit short circuit exterior source of energy stops external energy and continues to input, and it is defeated to close energy afterwards
The switch of outlet.When the energy of energy storage module drops to the 90% of rated capacity, energy acquisition circuit release external energy
The short switch in source, the switch for opening energy delivery outlet afterwards continue as energy storage module charging.
Unnecessary energy is supplied to relay to use by power selection circuit, the release storage of night energy storage module
Energy by power selection circuit be communication module, CPU power, when power selection circuit detects energy storage module energy
Disposable lithium cell is switched to when only surplus 5% to power for communication module, CPU, once the energy that energy storage module is collected into reaches
To the 30% of rated capacity, power selection circuit automatically selects energy storage module and powered for communication module, CPU, and will once
Property lithium battery, which is changed to backup status, no longer discharges electric energy.
When applying at the scene, as shown in Fig. 2 using the present apparatus as communicator, according to the spacing distance of 800-2000 rice
It is configured, receives the temperature monitoring data of Electricity Federation contact temperature collecting device nearby and be transmitted to prime relay or data
Centralised arrangement.
Have been carried out being described in detail although specification and drawings and examples create the utility model, ability
Field technique personnel should be appreciated that still to create the utility model and modify or equivalent substitution；And all are not departed from
The technical scheme for the spirit and scope that the utility model is created and its improvement, it is encompassed by the guarantor that the utility model creates patent
Protect among scope.
Claims (9)
1. a kind of long range wireless communication relay, it is characterized in that：Including power supply module, central control unit and spread spectrum communication
Module, described central control unit electrically connect with power supply module and spread spectrum communication module respectively, described spread spectrum communication module
Using LoRa1278 wireless communication modules.
2. a kind of long range wireless communication relay according to claim 1, it is characterized in that：Described central processing list
Member uses the 8-digit microcontroller of TI companies MSP430 series reduced instruction 16.
3. a kind of long range wireless communication relay according to claim 1 or 2, it is characterized in that：Described power supply mould
Block includes main power supply module, auxiliary power module and power supply selection circuit, main power supply module and the auxiliary power module difference
The input of connection power supply selecting module, the output end connection CPU of the power supply selecting module.
4. a kind of long range wireless communication relay according to claim 3, it is characterized in that：Described power supply selection mould
Block is using the BQ25504 chips of TI companies as main control chip.
5. a kind of long range wireless communication relay according to claim 3, it is characterized in that：Described main power supply module
For lithium battery.
6. a kind of long range wireless communication relay according to claim 3, it is characterized in that：Described auxiliary power supply mould
Block includes feeder ear, energy acquisition circuit and energy storage module, the output end connection energy acquisition circuit of the feeder ear
Input, the input of the output end connection energy storage module of described energy acquisition circuit, the energy storage module
The input of output end connection power supply selecting module.
7. a kind of long range wireless communication relay according to claim 6, it is characterized in that：Described feeder ear is too
Positive energy cell panel or Current Mutual Inductance coil.
8. a kind of long range wireless communication relay according to claim 6, it is characterized in that：Described energy acquisition electricity
Road includes mu balanced circuit and hysteresis loop comparator, the input connection feeder ear of the mu balanced circuit, the output of the mu balanced circuit
End connection hysteresis loop comparator input, the input of the output end connection energy storage module of the hysteresis loop comparator.
9. a kind of long range wireless communication relay according to claim 6, it is characterized in that：Described energy stores mould
Block uses the one or more in following device：Super capacitor, poly-lithium battery, ferric phosphate lithium cell, polynary lithium battery, titanium
Acid lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721203419.2U CN207150594U (en) | 2017-09-20 | 2017-09-20 | A kind of long range wireless communication relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721203419.2U CN207150594U (en) | 2017-09-20 | 2017-09-20 | A kind of long range wireless communication relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150594U true CN207150594U (en) | 2018-03-27 |
Family
ID=61668019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721203419.2U Active CN207150594U (en) | 2017-09-20 | 2017-09-20 | A kind of long range wireless communication relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207150594U (en) |
-
2017
- 2017-09-20 CN CN201721203419.2U patent/CN207150594U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106059034B (en) | The electrical system and method for supplying power to of wireless data transmission device | |
| CN104955237A (en) | Intelligent switch adopting single firewire to obtain power and control method | |
| CN206019730U (en) | Ambient parameter collection transmitting terminal and environmental parameter acquisition system | |
| CN106253395B (en) | The electronic automobile-used Intelligent charging unit of one kind and its application method | |
| CN204347122U (en) | For reducing the thunderbolt detection system that the transmission line of electricity of tripping rate with lightning strike is transformed | |
| CN105676759A (en) | Power management system and method for online monitoring device of power distribution line | |
| CN102879117B (en) | Electric field induction powered disconnector contact temperature online measurement and wireless transmission device | |
| CN102097858A (en) | Mixed direct-current power system for large LED display screen | |
| CN205123401U (en) | Super capacitor UPS device based on buck circuit | |
| CN205453152U (en) | Little grid system of hybrid intelligence | |
| CN104428970A (en) | Cell protection circuit and method | |
| CN206118131U (en) | Street lamp system based on solar energy | |
| CN106707368B (en) | Novel power supply mode's transmission line environment meteorological monitoring device | |
| CN207150594U (en) | A kind of long range wireless communication relay | |
| CN110492611B (en) | 5G base station power supply system based on shared charging cabinet | |
| CN104242433A (en) | Energy management system for mixed energy source power station | |
| CN204179731U (en) | Support the distribution line on-line monitoring acquisition terminal of circuit automatic electricity getting | |
| CN115579988A (en) | Base station battery intelligent management system and method | |
| CN107706975A (en) | A kind of method and system of the automatic distribution power of wireless charging router | |
| CN105634040A (en) | Solar power supply system | |
| CN211744121U (en) | Energy storage system applied to 5G microwave communication | |
| CN105207613B (en) | A kind of solar energy POE with intelligent network management powers single devices | |
| CN204243535U (en) | Distribution box | |
| CN204243532U (en) | Distribution box | |
| CN104143841A (en) | Positioning tracking circuit and device for container trailer frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |