CN208623661U - A kind of super low-power consumption nbiot- serial ports transparent transmission conversion module - Google Patents
A kind of super low-power consumption nbiot- serial ports transparent transmission conversion module Download PDFInfo
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- CN208623661U CN208623661U CN201821001837.8U CN201821001837U CN208623661U CN 208623661 U CN208623661 U CN 208623661U CN 201821001837 U CN201821001837 U CN 201821001837U CN 208623661 U CN208623661 U CN 208623661U
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Abstract
The utility model belongs to embedded system technology field, discloses a kind of super low-power consumption nbiot- serial ports transparent transmission conversion module, including power circuit (1), nbiot circuit (2), low-power consumption mcu circuit (3).The utility model provide it is a kind of it is novel use disposable lithium cell directly to power based on battery powered super low-power consumption nbiot- serial ports conversion module, standby current 2uA, has timing wake-up and serial ports wakes up two ways.When user equipment sends data to module by serial ports, module can be automatically waken up, and the data for responding user equipment are sent by nbiot module；In addition to this, it is also equipped with timing wake-up function, wakeup time is adjustable；Module is provided out controllable electric power to power to user equipment, under normal state, powers off to user equipment, only when receiving nbiot wireless data, is just powered on to user equipment to save overall power.
Description
Technical field
The utility model relates to embedded system technology field, specially a kind of super low-power consumption nbiot- serial ports transparent transmission conversion
Module.
Background technique
Nbiot technology refers to based on cellular narrowband Internet of Things, is implemented in cellular network, only consumes about 180KHz's
Bandwidth can be deployed directly into GSM network, UMTS network or LTE network, and realizing reduces lower deployment cost, the purpose of smooth upgrade.
Nbiot technology supports low power consuming devices to connect in the cellular data of wide area network, supports stand-by time length, to network connectivity requirements
The efficient connection of higher device.
Serial ports is a standard interface of single-chip microcontroller, and single-chip microcontroller may be implemented using nbiot- serial ports transparent transmission conversion module and set
Telecommunication is completed between standby.Since nbiot communication is related to high frequency wiring, so it has comparable difficulty on PCB layout
Degree, the single-chip microcontroller design engineer of general technology level are all made of in the product using nbiot- serial ports transparent transmission conversion module
Mode is achieved, so nbiot- serial ports transparent transmission conversion module has relatively broad application field.
When carrying out design of electronic products, it is difficult that wireless device overcomes wireline equipment difficult wiring, cost height and construction
Spend many defects such as big.But it is not due to having wire cable directly to power, so itself taking electric problem is wireless device extensive
In application, Important Problems to be solved.A variety of sides such as solar energy, wind energy, pressure and kinetic energy can be used to wireless device power supply
Formula, but these power taking technologies are not also high and very big by environmental constraints in transfer efficiency at this stage, may not apply to all nothings
Line equipment.In addition to this, technology the most universal is directly powered using battery, and this mode is the most flexible and convenient, not by ground
The influence of domain environment can use for a long time in any place.But, it due to the supply approach of not no energy, but also need to examine
Consider the multiple factors such as capacity, volume and cost of battery, if it is desired to equipment can long-play, must just reduce equipment
Oneself power consumption.Existing nbiot- serial ports transparent transmission conversion module, in power consumption, there are many deficiencies: (1) due to nbiot
Technology oneself power consumption is relatively high, and existing nbiot module in normal work, press in 20mA or so by average consumed cur-rent
This numerical value calculates, the battery of a 2200mAh, is only capable of maintaining 3.05 days (2200mAh/20mA/24h=4.5 day) of equipment work；
(2) in general, most of wireless device does not all need to work long hours in continuous uninterrupted state, in order to reduce nbiot- string
The power consumption of mouth transparent transmission conversion module, can control the input power of module, its most of the time is allowed to be in power-down state, to save
Power consumption, but this mode will lead to the direct loss of data, be unable to what other equipment in real-time response wireless network were passed over
The problems such as data；(3) its power supply of existing nbiot- serial ports transparent transmission conversion module is supplied by user equipment, cannot to
Family equipment provides power supply.
Summary of the invention
The purpose of this utility model is to provide a kind of novel based on battery powered super low-power consumption nbiot- serial ports
Conversion module uses disposable lithium cell directly to power, standby current 2uA, has timing wake-up and serial ports wakes up two kinds of sides
Formula.When user equipment sends data to module by serial ports, module can be automatically waken up, and the data for responding user equipment pass through
Nbiot module is sent；In addition to this, it is also equipped with timing wake-up function, wakeup time is adjustable, logging in network after wake-up,
The data of server are received, if server informs that no data need to transmit, are again introduced into sleep pattern at once, this process
It is average time-consuming for 0.5s；Module is provided out controllable electric power to power to user equipment, under normal state, breaks to user equipment
Electricity is just powered on only when receiving nbiot wireless data to user equipment to save overall power.If called out according to 10 minutes
Awake interval calculation uses 1200 times that the time is the common nbiot- serial ports transparent transmission conversion module working time, it is contemplated that user
The factors such as power consumption, the battery capacity of equipment, by 50% efficient calculating, the battery of 2200mAh can make equipment work 7.39.
To achieve the above object, the utility model provides the following technical solutions: a kind of super low-power consumption nbiot- serial ports transparent transmission
Conversion module, including power circuit (1), nbiot circuit (2), low-power consumption mcu circuit (3)；Described power circuit (1) power supply
Circuit (1) provides power supply using 3.7V reason battery power supply for nbiot circuit (2), low-power consumption mcu circuit (3) and user equipment,
Wherein the power supply of nbiot circuit (2) and user equipment is controlled by low-power consumption mcu circuit (3)；The nbiot circuit (2)
The data received are passed to low-power consumption mcu(3 for communicating with remote server by nbiot circuit (2)), and by low-power consumption
The data that mcu circuit (3) sends over are transmitted to remote server, and power supply is controlled by low-power consumption mcu circuit (3)；Described
Low-power consumption mcu circuit (3) low-power consumption mcu circuit (3) controls the power supply of nbiot circuit (2) and user equipment, is connect using SPI
Mouth and nbiot circuit connection, are connect using serial ports with user equipment, are responsible for completing between user equipment and distal end nbiot equipment
Data exchange.
Preferably, the power circuit (1) power circuit (1) using 3.7V reason battery power supply, be nbiot circuit (2),
Low-power consumption mcu circuit (3) and user equipment provide power supply, and wherein the power supply of nbiot circuit (2) and user equipment is by low-power consumption
Mcu circuit (3) control;Lithium battery connects DP1 interface and supplies power supply BAT to module, and BAT is 3.3V by the MCP33 pressure stabilizing of DU3 chip
To entire module for power supply；BAT also passes through 2 controllable metal-oxide-semiconductor DQ1 and connects chip DU1 and DU2 with DQ3, generates controllable voltage
W3.3V and E3.3V；W3.3V is used to power to nbiot circuit (2), and E3.3V is used to power to user equipment；W3.3V and E3.3V
Control terminal by low-power consumption mcu circuit (3) generate, controlled by C_W and C_E.
Preferably, nbiot circuit (2) the nbiot circuit (2) with remote server for communicating, by what is received
Data pass to low-power consumption mcu(3), and the data that low-power consumption mcu circuit (3) sends over are transmitted to remote server,
Power supply is controlled by low-power consumption mcu circuit (3);Circuit is by nbiot chips W U1, SIM card circuit WU2, antennal interface WP1 and its outer
Enclose circuit composition；The model that WU1 is used is SIM7020, and the model of the 6 foot clamshell SIM card holders that WU2 is used, WP1 selection is
ANT-SMA5P, all power pins do decoupling processing；Reset pin connects rc reset circuit；Its power supply is by power circuit (1)
It provides, is communicated using SPI interface CS, SCK, MOSI and MISO with low-power consumption mcu circuit (3).
Preferably, low-power consumption mcu circuit (3) the low-power consumption mcu circuit (3) control nbiot circuit (2) and user set
Standby power supply is connect using serial ports with user equipment using SPI interface and nbiot circuit connection, is responsible for completing user equipment
With the data exchange between the nbiot equipment of distal end;Circuit is STM32L053R8T6 by its model of low-power consumption mcu chip MU1(),
Program download interface MP1, Transistor-Transistor Logic level serial line interface MP2 composition；Its by SPI interface CS, SCK, MOSI and MISO signal with
Nbiot circuit (2) communication；The power supply of nbiot circuit (2) and user equipment is controlled, by C_W and C_E signal to reduce entirety
Power consumption.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) transparent transmission of data between any appliance and user equipment in nbiot and Internet is realized；
(2) ultralow Consumption, standby current are lower than 2uA；
(3) 10 minutes Wakeup intervals are used, it, can work using 2200mAh battery under conditions of the supply of no any power supply
Make 7.39；
(4) it is suitable for data communication in wireless nbiot and Internet；
(5) it is automatically waken up when user equipment sends data, the timing wake-up time is settable；
(6) power supply can be provided to user equipment.
The utility model relates to the Detailed description of the invention arrived is as follows:
Fig. 1 is the system the general frame of utility model；Fig. 2 is power circuit diagram；Fig. 3 is nbiot circuit diagram；Fig. 4 is
Low-power consumption mcu circuit diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1,
A kind of super low-power consumption nbiot- serial ports transparent transmission conversion module, including power circuit (1), nbiot circuit (2), low function
It consumes mcu circuit (3)；Power circuit (1) power circuit (1) is nbiot circuit (2), low using 3.7V reason battery power supply
Power consumption mcu circuit (3) and user equipment provide power supply, and wherein the power supply of nbiot circuit (2) and user equipment is by low-power consumption mcu
Circuit (3) control；Nbiot circuit (2) the nbiot circuit (2) with remote server for communicating, the data that will be received
Pass to low-power consumption mcu(3), and the data that low-power consumption mcu circuit (3) sends over are transmitted to remote server, power supply
It is controlled by low-power consumption mcu circuit (3)；Low-power consumption mcu circuit (3) the low-power consumption mcu circuit (3) controls nbiot circuit (2)
It is connect using serial ports with user equipment with the power supply of user equipment using SPI interface and nbiot circuit connection, is responsible for completion
Data exchange between user equipment and distal end nbiot equipment.
Fig. 1 and 2 is please referred to,
Power circuit (1) power circuit (1) is nbiot circuit (2), low-power consumption mcu circuit using 3.7V reason battery power supply
(3) and user equipment provides power supply, and wherein the power supply of nbiot circuit (2) and user equipment is controlled by low-power consumption mcu circuit (3);
Lithium battery connects DP1 interface and supplies power supply BAT to module, and BAT is 3.3V to entire module for power supply by the MCP33 pressure stabilizing of DU3 chip；
BAT also passes through 2 controllable metal-oxide-semiconductor DQ1 and connects chip DU1 and DU2 with DQ3, generates controllable voltage W3.3V and E3.3V；
W3.3V is used to power to nbiot circuit (2), and E3.3V is used to power to user equipment；The control terminal of W3.3V and E3.3V is by low
Power consumption mcu circuit (3) generates, and is controlled by C_W and C_E.
Circuit theory: power circuit (1) generates 3 road 3.3V power supplys, gives low-power consumption mcu circuit (3), nbiot circuit respectively
(1) it powers with user equipment；Wherein low-power consumption mcu circuit (3) is in continuous energized state, is generated by it 2 control signal C_W
Power supply with C_E to control nbiot circuit (1) and user equipment；Control circuit uses MOS control method, the metal-oxide-semiconductor of selection
DQ1 and DQ3 leakage current very little, when it is in when state, leakage current is less than 1uA, almost can be ignored, so whole
The power consumption of a module need to only consider the power consumption of low-power consumption mcu circuit (3) in the most of the time.
Fig. 1 and 3 are please referred to,
The data received are passed to low function for communicating with remote server by nbiot circuit (2) nbiot circuit (2)
Consume mcu(3), and the data that low-power consumption mcu circuit (3) sends over are transmitted to remote server, power supply is by low-power consumption mcu
Circuit (3) control;Circuit is made of nbiot chips W U1, SIM card circuit WU2, antennal interface WP1 and its peripheral circuit；WU1 is adopted
Model is SIM7020, and the 6 foot clamshell SIM card holders that WU2 is used, the model that WP1 is selected is ANT-SMA5P, all power supplys
Pin does decoupling processing；Reset pin connects rc reset circuit；Its power supply is provided by power circuit (1), using SPI interface
CS, SCK, MOSI and MISO are communicated with low-power consumption mcu circuit (3).
Circuit theory: circuit is communicated with equipment other in wireless network by nbiot wireless mode, by SPI interface CS,
SCK, MOSI and MISO signal are communicated with low-power consumption mcu circuit (3), and power supply is controlled by low-power consumption mcu circuit (3), usual shape
Off-position is under state, to save power consumption.
Fig. 1 and 4 are please referred to,
Low-power consumption mcu circuit (3) low-power consumption mcu circuit (3) controls the power supply of nbiot circuit (2) and user equipment, makes
It with SPI interface and nbiot circuit connection, is connect using serial ports with user equipment, is responsible for completion user equipment and is set with distal end nbiot
Data exchange between standby;Circuit is STM32L053R8T6 by its model of low-power consumption mcu chip MU1(), program download interface
MP1, Transistor-Transistor Logic level serial line interface MP2 composition；It is logical by SPI interface CS, SCK, MOSI and MISO signal and nbiot circuit (2)
Letter；The power supply of nbiot circuit (2) and user equipment is controlled, by C_W and C_E signal to reduce overall power.
Circuit theory: power circuit (1) gives low-power consumption mcu circuit (3) continued power, but low-power consumption mcu circuit (3) is usually
Power down process is carried out in sleep state, and to nbiot circuit (2) and user equipment, so overall power is lower than 2uA；Low function
Consumption mcu has serial port wake-up and timing wake-up two ways, when by serial ports, to it, (user equipment independently supplies user equipment
Electricity) it automatically wakes up when sending data, or automatically wakes up by the prior preset time；After low-power consumption mcu wakes up, nbiot is given
Circuit (2) power supply, nbiot connection remote server are directly entered normal mode of operation if server has data transmission,
If server does not have data transmission, sleep again at once, to achieve the purpose that reduce power consumption.
In summary: a kind of super low-power consumption nbiot- serial ports transparent transmission conversion module realizes nbiot and Internet
The transparent transmission of data between interior any appliance and user equipment, ultralow Consumption, standby current are lower than 2uA, use
10 minutes Wakeup intervals can be worked 7.39 under conditions of the supply of no any power supply using 2200mAh battery, be applicable in
In data communication in wireless nbiot and Internet, user equipment automatically wakes up when sending data, the timing wake-up time
It is settable, user equipment can be given to provide power supply, therefore effective solution the deficiencies in the prior art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of super low-power consumption nbiot- serial ports transparent transmission conversion module characterized by comprising power circuit (1), nbiot electricity
Road (2), low-power consumption mcu circuit (3)；The power circuit (1) is nbiot circuit (2), low using 3.7V reason battery power supply
Power consumption mcu circuit (3) and user equipment provide power supply, and wherein the power supply of nbiot circuit (2) and user equipment is by low-power consumption mcu
Circuit (3) control；The data received are passed to low-power consumption for communicating with remote server by the nbiot circuit (2)
Mcu circuit (3), and the data that low-power consumption mcu circuit (3) sends over are transmitted to remote server, power supply is by low-power consumption
Mcu circuit (3) control；The power supply of low-power consumption mcu circuit (3) control nbiot circuit (2) and user equipment, uses
SPI interface and nbiot circuit connection, are connect using serial ports with user equipment, are responsible for completing user equipment and distal end nbiot equipment
Between data exchange.
2. a kind of super low-power consumption nbiot- serial ports transparent transmission conversion module according to claim 1, which is characterized in that described
Power circuit (1) provides electricity using 3.7V reason battery power supply for nbiot circuit (2), low-power consumption mcu circuit (3) and user equipment
Source, wherein the power supply of nbiot circuit (2) and user equipment is controlled by low-power consumption mcu circuit (3);Lithium battery connects DP1 interface to mould
Block supplies power supply BAT, and BAT is 3.3V to entire module for power supply by the MCP33 pressure stabilizing of DU3 chip；BAT also pass through 2 it is controllable
Metal-oxide-semiconductor DQ1 connects chip DU1 and DU2 with DQ3, generates controllable voltage W3.3V and E3.3V；W3.3V is for giving nbiot circuit
(2) it powers, E3.3V is used to power to user equipment；The control terminal of W3.3V and E3.3V is generated by low-power consumption mcu circuit (3), is led to
It crosses C_W and C_E is controlled.
3. a kind of super low-power consumption nbiot- serial ports transparent transmission conversion module according to claim 1, which is characterized in that described
The data received are passed to low-power consumption mcu circuit (3), and will be low for communicating with remote server by nbiot circuit (2)
The data that power consumption mcu circuit (3) sends over are transmitted to remote server, and power supply is controlled by low-power consumption mcu circuit (3);Electricity
Route nbiot chips W U1, SIM card circuit WU2, antennal interface WP1 and its peripheral circuit composition；WU1 use model be
The 6 foot clamshell SIM card holders that SIM7020, WU2 are used, the model that WP1 is selected is ANT-SMA5P, and all power pins are gone
Coupling processing；Reset pin connects rc reset circuit；Its power supply is provided by power circuit (1), using SPI interface CS, SCK, MOSI
It is communicated with MISO with low-power consumption mcu circuit (3).
4. a kind of super low-power consumption nbiot- serial ports transparent transmission conversion module according to claim 1, which is characterized in that described
Low-power consumption mcu circuit (3) controls the power supply of nbiot circuit (2) and user equipment, is connected using SPI interface and nbiot circuit
It connects, is connect using serial ports with user equipment, be responsible for completing the data exchange between user equipment and distal end nbiot equipment;Circuit
By low-power consumption mcu chip MU1, model is STM32L053R8T6, program download interface MP1, Transistor-Transistor Logic level serial line interface MP2 group
At；It is communicated by SPI interface CS, SCK, MOSI and MISO signal with nbiot circuit (2)；It is controlled by C_W and C_E signal
The power supply of nbiot circuit (2) and user equipment, to reduce overall power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001837.8U CN208623661U (en) | 2018-06-27 | 2018-06-27 | A kind of super low-power consumption nbiot- serial ports transparent transmission conversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001837.8U CN208623661U (en) | 2018-06-27 | 2018-06-27 | A kind of super low-power consumption nbiot- serial ports transparent transmission conversion module |
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| Publication Number | Publication Date |
|---|---|
| CN208623661U true CN208623661U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821001837.8U Expired - Fee Related CN208623661U (en) | 2018-06-27 | 2018-06-27 | A kind of super low-power consumption nbiot- serial ports transparent transmission conversion module |
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| CN (1) | CN208623661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115009023A (en) * | 2022-08-08 | 2022-09-06 | 阳光电源股份有限公司 | Vehicle-mounted power supply, power supply and control system thereof and power supply and control method thereof |
-
2018
- 2018-06-27 CN CN201821001837.8U patent/CN208623661U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115009023A (en) * | 2022-08-08 | 2022-09-06 | 阳光电源股份有限公司 | Vehicle-mounted power supply, power supply and control system thereof and power supply and control method thereof |
| CN115009023B (en) * | 2022-08-08 | 2023-03-28 | 阳光电源股份有限公司 | Vehicle-mounted power supply, power supply and control system thereof and power supply and control method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |