CN207380887U - A kind of LORA wireless communication modules - Google Patents
A kind of LORA wireless communication modules Download PDFInfo
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- CN207380887U CN207380887U CN201721076578.0U CN201721076578U CN207380887U CN 207380887 U CN207380887 U CN 207380887U CN 201721076578 U CN201721076578 U CN 201721076578U CN 207380887 U CN207380887 U CN 207380887U
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- 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
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Abstract
The utility model discloses a kind of LORA wireless communication modules.Wherein, microcontroller is electrical connected respectively with P MOS switches circuit, 485 modules of rs, LORA baseband processor；The 3.6v batteries are electrical connected respectively by conducting wire and microcontroller, P MOS switches circuit, LORA baseband processor, the utility model has the advantage of：Small size, low cost.
Description
Technical field
The utility model is related to wireless communication field, more particularly to a kind of LORA wireless communication modules.
Background technology
The current digital water meter for possessing 485 transmission modes common on the market, is different from conventional mechanical water meter, such number
Word water meter possesses RS-485 digital communication functions, can be by LORA wireless communication modules or other distant communication modules to its water meter
Data are acquired, and can teletransmission to data of water meter gather center, realize to the acquisition of the real-time intelligent of data of water meter.Its 485 biography
Defeated mode is mainly characterized by four lines, two power cords be to water meter inside RS-485 communication modules power supply, two letters are provided
Number line is for carrying out data interaction with external LORA wireless communication modules or other distant communication modules.
By taking the horizontal screw wing dismantling water meter of three river boards as an example, water meter is typically mounted at open air, separate mains supply, in order to
Realize the teletransmission data acquisition to the water meter, then the RS-485 modules needed for its inside provide the battery of 12V.And usually,
The power supply of LORA wireless modules is 3.6V, therefore is also required to provide the battery of 3.6V for the module.In addition, the RS-485 inside water meter
Module does not possess standby sleep mode, as long as then 12V batteries are connected on water meter, then battery is to be constantly in electric discharge working condition,
By taking the horizontal screw wing dismantling water meter of three river boards as an example, the power consumption of RS-485 modules is about 3mA/h, in order to keep digital water meter
The long-term works of RS-485 modules, it is necessary to install the 12V batteries of a 100000mAh, just can guarantee its continuous firing 3 years with
On.
This patent is proposed increases boost booster circuits and P-MOS switch electricity in existing LORA wireless communication modules
Road is designed, first, increased boost booster circuits can be realized DC voltage 3.6V boosting to 12V, in this manner it is possible to only give
LORA wireless modules provide 3.6V batteries, then export RS-485 module for power supply of the 12V voltages to water meter by LORA wireless modules, save
Save the use of a battery.Second is that increased P-MOS on-off circuits, when data of water meter is not required, can set the wireless moulds of LORA
Block enter standby sleep mode, the output for turning off 12V voltages can be synchronously controlled in module, may be such that water meter module and LORA without
Line communication module synchronously enters standby dormant state；At this point, it is together with the common power consumption of LORA wireless communication modules and water meter
7uA/h plays significantly energy saving function.
The utility model is related to it is a kind of based on boost booster circuits and P-MOS on-off circuits in LORA wireless modules
Design is used, it can be achieved that the work(to work while single battery is to LORA wireless modules and water meter module with standby dormancy simultaneously
Energy；It is mainly used in the intelligent acquisition field for the digital water meter for possessing 485 transmission modes.
The utility model is related to it is a kind of based on boost booster circuits and P-MOS on-off circuits in LORA wireless modules
Design is used.The circuit in existing LORA wireless communication modules by increasing boost booster circuits and P-MOS on-off circuits
Design is, it can be achieved that the function of working while single battery is to LORA wireless modules and water meter module with standby dormancy simultaneously.Base
In the circuit that this is expanded out, realizing hardly is increasing the cost of LORA wireless communication modules so that LORA is wireless
Module and water meter module can share one piece of battery, and under the idle state that need not be gathered, may be such that water meter module and LORA
Wireless communication module synchronously enters standby dormant state, plays the use for saving battery and energy saving function.
The content of the invention
The utility model in order to make up for the deficiencies of the prior art, provides a kind of LORA wireless communication modules so that reach
It is energy saving, reduce volume, reduce the purpose of cost.
To solve the above-mentioned problems, the utility model is achieved through the following technical solutions：
A kind of LORA wireless communication modules, including：P-MOS on-off circuits, BOOST booster circuits, digital water meter, LORA bases
Provided with processor, microcontroller, rs-485 modules, 3.6v batteries, wherein：Microcontroller respectively with P-MOS on-off circuits, rs-485
Module, LORA baseband processor are electrical connected；The 3.6v batteries switch electricity by conducting wire and microcontroller, P-MOS respectively
Road, LORA baseband processor are electrical connected；The P-MOS on-off circuits are electrical by BOOST booster circuits and digital water meter
It is connected；The rs-485 modules are electrical connected by conducting wire and digital water meter.
A kind of LORA wireless communication modules, wherein：The P-MOS switching circuit structures are as follows：
Q101 be P-MOS triodes, source electrode（S）With battery powered 3.6V batteries（PWR_3.6V）Connect, and and resistance
One end of R132 and capacitance C135 connect；It drains（D）With the output voltage terminal of rear end BOOST booster circuits（D_3.6V）Phase
It connects, and connects with one end of capacitance C82, the other end of capacitance C82 connects with ground；Its grid（G）With the other end of capacitance C135
Connect with one end of resistance R134；The other end of resistance R134 connects with the other end of resistance R132, and with N-type triode Q107
Collector（C）Connect；The emitter of Q107（E）Connect with ground；The base stage of Q107（B）With being controlled on microcontroller
The LORA-SLE signaling interfaces of P-MOS on-off circuits connect.
A kind of LORA wireless communication modules, wherein：The BOOST boost circuit structures are as follows：
BOOST booster circuits have used IC chip SY7208C that DC voltage 3.6V is boosted to 12V to realize,
The foot 6 of chip U18 is the drain electrode of the Q101 in control source foot, with P-MOS on-off circuits（D）Connect, and respectively with capacitance
One end of C675, C22, resistance R53 and inductance L2 connect and the foot 4 with U18（Enabled foot）Connect, and capacitance C675, C22
Connect with the other end of resistance R53 with ground.The foot 2 of U18 is grounding leg, is connected with ground；The foot 1 of U18 is PMW switch modulation feet
（LX）, connect with the other end of inductance L2, and connect with one end of diode D101, the foot 3 of U18 is feedback foot, with resistance R60
Connect with one end of R35, the other end of resistance R35 connects with ground, the other end of resistance R60 and the other end phase of diode D101
It connects, and connects with one end of capacitance C17, C34 and voltage output D_12V, the other end of capacitance C17, C34 connect with ground；Voltage
Output D_12V is then connected with the control source interface of water meter, and required power supply is provided for the rs-485 modules of water meter.
The utility model has the advantage of：The utility model mainly has the advantage that：
1. low cost：Only need increase in original LORA wireless communication modules low cost P-MOS on-off circuits and
BOOST booster circuits, you can realize the 12V batteries of one 100000mAh of saving and the function that standby dormancy is energy saving；
2. small size：Since increased circuit is simply by common inductance, capacitance, resistive element and small encapsulation
（SSOT23-6 is encapsulated）Microchip composition, it can be ensured that do not increase the size of original LORA wireless communication modules.
Description of the drawings
Fig. 1 is the LORA wireless module block diagrams of the utility model；
Fig. 2 is the P-MOS on-off circuit figures of the utility model；
Fig. 3 is the BOOST booster circuit figures of the utility model；
Description of the drawings：P-MOS on-off circuits, BOOST booster circuits, digital water meter, LORA baseband processor, microcontroller
Device, rs-485 modules, 3.6v batteries.
Specific embodiment
Embodiment 1, a kind of LORA wireless communication modules, including：P-MOS on-off circuits, BOOST booster circuits, number
Water meter, LORA baseband processor, microcontroller, rs-485 modules, 3.6v batteries, wherein：Microcontroller switchs respectively with P-MOS
Circuit, rs-485 modules, LORA baseband processor are electrical connected；The 3.6v batteries respectively by conducting wire and microcontroller,
P-MOS on-off circuits, LORA baseband processor are electrical connected；The P-MOS on-off circuits pass through BOOST booster circuits and number
Word water meter is electrical connected；The rs-485 modules are electrical connected by conducting wire and digital water meter.
Embodiment 2, a kind of LORA wireless communication modules, wherein：The P-MOS switching circuit structures are as follows：
Q101 be P-MOS triodes, source electrode（S）With battery powered 3.6V batteries（PWR_3.6V）Connect, and and resistance
One end of R132 and capacitance C135 connect；It drains（D）With the output voltage terminal of rear end BOOST booster circuits（D_3.6V）Phase
It connects, and connects with one end of capacitance C82, the other end of capacitance C82 connects with ground；Its grid（G）With the other end of capacitance C135
Connect with one end of resistance R134；The other end of resistance R134 connects with the other end of resistance R132, and with N-type triode Q107
Collector（C）Connect；The emitter of Q107（E）Connect with ground；The base stage of Q107（B）With being controlled on microcontroller
The LORA-SLE signaling interfaces of P-MOS on-off circuits connect.Remaining is the same as embodiment 1.
Embodiment 3, a kind of LORA wireless communication modules, wherein：The BOOST boost circuit structures are as follows：
BOOST booster circuits have used IC chip SY7208C that DC voltage 3.6V is boosted to 12V to realize,
The foot 6 of chip U18 is the drain electrode of the Q101 in control source foot, with P-MOS on-off circuits（D）Connect, and respectively with capacitance
One end of C675, C22, resistance R53 and inductance L2 connect and the foot 4 with U18（Enabled foot）Connect, and capacitance C675, C22
Connect with the other end of resistance R53 with ground.The foot 2 of U18 is grounding leg, is connected with ground；The foot 1 of U18 is PMW switch modulation feet
（LX）, connect with the other end of inductance L2, and connect with one end of diode D101, the foot 3 of U18 is feedback foot, with resistance R60
Connect with one end of R35, the other end of resistance R35 connects with ground, the other end of resistance R60 and the other end phase of diode D101
It connects, and connects with one end of capacitance C17, C34 and voltage output D_12V, the other end of capacitance C17, C34 connect with ground；Voltage
Output D_12V is then connected with the control source interface of water meter, and required power supply is provided for the rs-485 modules of water meter.Remaining is same
Embodiment 1 or 2.
Operation principle
In Fig. 1, in order to save battery capacity, when data of water meter need not be gathered, i.e., LORA wireless modules in 6S not
When receiving any LORA wireless datas, microcontroller can be automatically into standby dormant state；Synchronously, microcontroller is used to control
The LORA-SLE signals of P-MOS on-off circuits processed can become low potential from high potential, in this way, P-MOS on-off circuits are just no longer defeated
Go out 3.6V voltages and be given to BOOST booster circuits, similarly, BOOST booster circuits for back-end digital water meter also just by providing 12V
Power voltage supply, water meter also synchronously enter holding state.
When needing to gather data of water meter, distal end wireless control center can first send aerial wake-up command, at LORA base band
When reason device receives aerial wireless awakening order, it can first wake up microprocessor and enter working condition；Synchronously, microcontroller is used
Can high potential be become from low potential in the LORA-SLE signals of control P-MOS on-off circuits, in this way, P-MOS on-off circuits can
BOOST booster circuits are given to export 3.6V voltages, similarly, BOOST booster circuits also export 12V voltages as back-end digital water
Table provides power supply, and water meter also synchronously enters working condition.
Then, distal end wireless control center is further continued for sending water meter reading order, and LORA baseband processor receives in the air
Water meter reading order, microcontroller is transferred to by SPI, microcontroller passes through TTL again（TXD/RXD）It is transferred to rs-485 moulds
Block, finally by rs-485 module transfers to digital water meter.Digital water meter receives meter reading instruction, can return to corresponding water immediately
Table data in the rs-485 modules that LORA wireless modules are returned to through rs-485 modules, then through TTL are transferred to microcontroller, pass through
SPI is transmitted to LORA baseband processor, and last data of water meter is back to by LORA wireless communication techniques in the wireless control of distal end
The heart.
When LORA-SLE signals are high potential, triode Q107 conductings, then the C poles of triode Q107 are in low potential,
The current potential for the grid for causing triode Q101 is inconjunction with well below source electrode, at this point, triode Q101 is turned on, at this point, electric current can
Source electrode flow direction drain electrode through Q101, can provide 3.6V power supplys for rear class BOOST booster circuits；When LORA-SLE signals are low potential
When, triode Q107 is by then the C poles of triode Q107 are in high potential, are inconjunction with the electricity for the grid for causing triode Q101
Position is not less than source electrode, at this point, triode Q101 at this point, electric current can not be flowed to through the source electrode of Q101 also by draining, at this time D_
3.6V ends do not have voltage.
Thermoelectric generation film can be installed on the outer surface of digital water meter in this certain structure, and pass through conducting wire and filled with electric power storage
It puts connected, can be used as stand-by power supply.
Claims (3)
1. a kind of LORA wireless communication modules, including：P-MOS on-off circuits, BOOST booster circuits, digital water meter, LORA base band
Processor, microcontroller, rs-485 modules, 3.6v batteries, it is characterised in that：Microcontroller respectively with P-MOS on-off circuits,
Rs-485 modules, LORA baseband processor are electrical connected；The 3.6v batteries pass through conducting wire and microcontroller, P-MOS respectively
On-off circuit, LORA baseband processor are electrical connected；The P-MOS on-off circuits pass through BOOST booster circuits and digital water
Table is electrical connected；The rs-485 modules are electrical connected by conducting wire and digital water meter.
2. a kind of LORA wireless communication modules according to claim 1, it is characterised in that：The P-MOS on-off circuits
Structure is as follows：
Q101 is P-MOS triodes, and source electrode (S) connects with battery powered 3.6V batteries (PWR_3.6V), and with resistance R132
Connect with one end of capacitance C135；Its drain electrode (D) connects with the output voltage terminal (D_3.6V) of rear end BOOST booster circuits, and
Connect with one end of capacitance C82, the other end of capacitance C82 connects with ground；The other end and resistance of its grid (G) and capacitance C135
One end of R134 connects；The other end of resistance R134 connects with the other end of resistance R132, and with the current collection of N-type triode Q107
(C) connects for pole；The emitter (E) of Q107 connects with ground；The base stage (B) of Q107 on microcontroller with controlling P-MOS to open
The LORA-SLE signaling interfaces on powered-down road connect.
3. a kind of LORA wireless communication modules according to claim 1 or 2, it is characterised in that：The BOOST boosting electricity
Line structure is as follows：
BOOST booster circuits have used IC chip SY7208C that DC voltage 3.6V is boosted to 12V, chip to realize
The foot 6 of U18 is control source foot, is connected with the drain electrode (D) of the Q101 in P-MOS on-off circuits, and respectively with capacitance C675,
One end of C22, resistance R53 and inductance L2 connect and connect with the foot 4 of U18, and capacitance C675, C22 and resistance R53's is another
One end connects with ground；The foot 2 of U18 is grounding leg, is connected with ground；The foot 1 of U18 is PMW switch modulations foot (LX), with inductance L2's
The other end connects, and connects with one end of diode D101, and the foot 3 of U18 is to feed back foot, one end phase with resistance R60 and R35
It connects, the other end of resistance R35 connects with ground, and the other end of resistance R60 connects with the other end of diode D101, and and capacitance
One end of C17, C34 and voltage output D_12V connect, and the other end of capacitance C17, C34 connect with ground；Voltage output D_12V is then
It is connected with the control source interface of water meter, required power supply is provided for the rs-485 modules of water meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721076578.0U CN207380887U (en) | 2017-08-26 | 2017-08-26 | A kind of LORA wireless communication modules |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721076578.0U CN207380887U (en) | 2017-08-26 | 2017-08-26 | A kind of LORA wireless communication modules |
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| CN207380887U true CN207380887U (en) | 2018-05-18 |
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| CN201721076578.0U Expired - Fee Related CN207380887U (en) | 2017-08-26 | 2017-08-26 | A kind of LORA wireless communication modules |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055403A (en) * | 2020-09-18 | 2020-12-08 | 浙江万松电气有限公司 | Power consumption management method for converting RS485 mode communication into LORA micropower wireless communication |
| CN113922841A (en) * | 2021-11-19 | 2022-01-11 | 杭州朗亦通科技有限公司 | Lora communication module of wide voltage work |
-
2017
- 2017-08-26 CN CN201721076578.0U patent/CN207380887U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055403A (en) * | 2020-09-18 | 2020-12-08 | 浙江万松电气有限公司 | Power consumption management method for converting RS485 mode communication into LORA micropower wireless communication |
| CN113922841A (en) * | 2021-11-19 | 2022-01-11 | 杭州朗亦通科技有限公司 | Lora communication module of wide voltage work |
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| GR01 | Patent grant | ||
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Granted publication date: 20180518 Termination date: 20200826 |