CN208924232U - A kind of super low-power consumption gprs- serial ports transparent transmission conversion module - Google Patents
A kind of super low-power consumption gprs- serial ports transparent transmission conversion module Download PDFInfo
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- CN208924232U CN208924232U CN201821002850.5U CN201821002850U CN208924232U CN 208924232 U CN208924232 U CN 208924232U CN 201821002850 U CN201821002850 U CN 201821002850U CN 208924232 U CN208924232 U CN 208924232U
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- power consumption
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Abstract
The utility model belongs to embedded system technology field, discloses a kind of super low-power consumption gprs- serial ports transparent transmission conversion module, including power circuit (1), gprs 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 gprs- 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 gprs 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 gprs 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 gprs- serial ports transparent transmission conversion
Module.
Background technique
GPRS(General Packet Radio Service) Universal Wireless Packet Service is a kind of based on gsm system
Wireless, packet-switched technology, provide end to end, the wireless IP connection of wide area.GPRS is the skill of high-speed data processing
Art, method are to transmit data between devices in the form of " grouping ".
Serial ports is a standard interface of single-chip microcontroller, and single-chip microcontroller may be implemented using gprs- serial ports transparent transmission conversion module and set
Telecommunication is completed between standby.Since gprs 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 the side for using gprs- serial ports transparent transmission conversion module in the product
Formula is achieved, so gprs- 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 gprs- serial ports transparent transmission conversion module, in power consumption, there are many deficiencies: (1) due to gprs technology
Oneself power consumption is relatively high, and in normal work, average consumed cur-rent is in 200mA or so, by this number for existing gprs module
Value calculates, the battery of a 2200mAh, is only capable of maintaining 3.05 days (2200mAh/200mA/24h=0.45 day) of equipment work；(2)
In general, most of wireless device does not all need to work long hours in continuous uninterrupted state, saturating in order to reduce gprs- serial ports
The power consumption for passing conversion module, can control the input power of module, allows its most of the time to be in power-down state, to save function
Consumption, but this mode will lead to the direct loss of data, be unable to the number that other equipment are passed in real-time response wireless network
According to etc. problems；(3) its power supply of existing gprs- serial ports transparent transmission conversion module is supplied by user equipment, cannot be set to user
It is standby that power supply is provided.
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 gprs- serial ports turn
Block is changed the mold, disposable lithium cell is used directly to power, 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 pass through gprs
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, receives clothes
The data of business device are again introduced into sleep pattern if server informs that no data need to transmit at once, this process average consumption
When be 3s；Module is provided out controllable electric power to power to user equipment, under normal state, gives user equipment power-off, only when
When receiving gprs wireless data, just it is powered on to user equipment to save overall power.If according to 1 hour Wakeup interval meter
It calculates, uses 1200 times that the time is the common gprs- serial ports transparent transmission conversion module working time, it is contemplated that the power consumption of user equipment
The factors such as amount, battery capacity, by 50% efficient calculating, the battery of 2200mAh can make equipment work 0.73.
To achieve the above object, the utility model provides the following technical solutions: a kind of super low-power consumption gprs- serial ports transparent transmission turn
Change the mold block, including power circuit (1), gprs circuit (2), low-power consumption mcu circuit (3)；Described power circuit (1) power circuit
(1) using 3.7V reason battery power supply, power supply is provided for gprs circuit (2), low-power consumption mcu circuit (3) and user equipment, wherein
The power supply of gprs circuit (2) and user equipment is controlled by low-power consumption mcu circuit (3)；Described gprs circuit (2) the gprs circuit
(2) for communicating with remote server, the data received are passed into low-power consumption mcu(3), and by low-power consumption mcu circuit (3)
The data sended over are transmitted to remote server, and power supply is controlled by low-power consumption mcu circuit (3)；The low-power consumption mcu electricity
Road (3) low-power consumption mcu circuit (3) controls the power supply of gprs circuit (2) and user equipment, uses SPI interface and gprs circuit
Connection, is connect using serial ports with user equipment, is responsible for completing the data exchange between user equipment and distal end gprs equipment.
Preferably, the power circuit (1) power circuit (1) using 3.7V reason battery power supply, be gprs circuit (2),
Low-power consumption mcu circuit (3) and user equipment provide power supply, and wherein the power supply of gprs 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 given by DU3 chip MCP33 pressure stabilizing for 3.3V
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 gprs 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, gprs circuit (2) the gprs circuit (2) with remote server for communicating, the number that will be received
According to passing to low-power consumption mcu(3), and the data that low-power consumption mcu circuit (3) sends over are transmitted to remote server, electricity
Source is controlled by low-power consumption mcu circuit (3);Circuit is by gprs chips W U1, SIM card holder WU2, antennal interface WP1 and its peripheral circuit
Composition；The model that WU1 is used is TS55678, and WU2 uses 6 foot deck of clamshell, and WP1 uses ANT_SMA5P；The built-in processing of WU1
Device, all power pins do decoupling processing, and reset pin connects rc reset circuit；Electrostatic protection core is used between WP1 and U1
Piece WU3 carries out EMC protection, model SMF05C；Its power supply by power circuit (1) provide, using SPI interface CS, SCK,
MOSI and MISO is communicated with low-power consumption mcu circuit (3).
Preferably, low-power consumption mcu circuit (3) the low-power consumption mcu circuit (3) control gprs circuit (2) and user set
Standby power supply is connect using serial ports with user equipment using SPI interface and gprs circuit connection, is responsible for completing user equipment
With the data exchange between the gprs equipment of distal end;Circuit is STM32L053R8T6 by its model of low-power consumption mcu chip MU1(), journey
Sequence download interface MP1, Transistor-Transistor Logic level serial line interface MP2 composition；It passes through SPI interface CS, SCK, MOSI and MISO signal and gprs
Circuit (2) communication；The power supply of gprs circuit (2) and user equipment is controlled, by C_W and C_E signal to reduce overall power.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) transparent transmission of data between remote server and user equipment in gprs and Internet is realized；
(2) ultralow Consumption, standby current are lower than 2uA；
(3) 1 hour Wakeup interval is used, under conditions of the supply of no any power supply, can be worked using 2200mAh battery
0.73；
(4) it is suitable for data communication in wireless gprs 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.
Detailed description of the invention
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 gprs circuit diagram；Fig. 4 is low function
Consume 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 gprs- serial ports transparent transmission conversion module, including power circuit (1), gprs circuit (2), low-power consumption
Mcu circuit (3)；Power circuit (1) power circuit (1) is gprs circuit (2), low function using 3.7V reason battery power supply
It consumes mcu circuit (3) and user equipment provides power supply, wherein the power supply of gprs circuit (2) and user equipment is by low-power consumption mcu circuit
(3) it controls；Gprs circuit (2) the gprs circuit (2) passes to the data received for communicating with remote server
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 by low function
Consume mcu circuit (3) control；Low-power consumption mcu circuit (3) low-power consumption mcu circuit (3) control gprs circuit (2) and user
The power supply of equipment is connect using serial ports with user equipment using SPI interface and gprs circuit connection, is responsible for completion user and is set
The standby data exchange between the gprs equipment of distal end.
Fig. 1 and 2 is please referred to,
Power circuit (1) power circuit (1) is gprs 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 gprs 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 gprs circuit (2), and E3.3V is used to power to user equipment；The control terminal of W3.3V and E3.3V is by low function
It consumes mcu circuit (3) to generate, be 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), gprs 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 gprs 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-power consumption for communicating with remote server by gprs circuit (2) gprs circuit (2)
Mcu(3 it), and by the data that low-power consumption mcu circuit (3) sends over is transmitted to remote server, power supply is by low-power consumption mcu electricity
Road (3) control;Circuit is made of gprs chips W U1, SIM card holder WU2, antennal interface WP1 and its peripheral circuit；What WU1 was used
Model is TS55678, and WU2 uses 6 foot deck of clamshell, and WP1 uses ANT_SMA5P；WU1 internal processor, all power supplys draw
Foot does decoupling processing, and reset pin connects rc reset circuit；EMC guarantor is carried out using electrostatic protection chips W U3 between WP1 and U1
Shield, model SMF05C；Its power supply is provided by power circuit (1), using SPI interface CS, SCK, MOSI and MISO and low function
Consume mcu circuit (3) communication.
Circuit theory: circuit is communicated with equipment other in wireless network by gprs 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 gprs circuit (2) and user equipment, makes
It with SPI interface and gprs circuit connection, is connect using serial ports with user equipment, is responsible for completing user equipment and distal end gprs equipment
Between data exchange;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 communicated by SPI interface CS, SCK, MOSI and MISO signal with gprs circuit (2)；It is logical
The power supply of C_W and C_E signal control gprs circuit (2) and user equipment is crossed, 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 gprs circuit (2) and user equipment, so overall power is lower than 2uA；Low-power consumption
Mcu has serial port wake-up and timing wake-up two ways, when user equipment passes through serial ports to its (user equipment is independently-powered)
It automatically wakes up when transmission data, or automatically wakes up by the prior preset time；After low-power consumption mcu wakes up, gprs circuit is given
(2) it powers, gprs connection remote server is directly entered normal mode of operation if server has data transmission, if clothes
Business device does not have data transmission, then sleeps again at once, to achieve the purpose that reduce power consumption.
In summary: a kind of super low-power consumption gprs- serial ports transparent transmission conversion module is realized remote in gprs and Internet
The transparent transmission of data between journey server and user equipment, ultralow Consumption, standby current are lower than 2uA, use 1 small
When Wakeup interval, no any power supply supply under conditions of, can be worked 0.73 using 2200mAh battery, it is suitable for nothings
Data communication in line gprs and Internet, user equipment automatically wake up when sending data, and the timing wake-up time can set
It sets, 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 gprs- serial ports transparent transmission conversion module, including power circuit (1), gprs circuit (2), low-power consumption mcu
Circuit (3)；The power circuit (1) use 3.7V lithium battery power supply, be gprs circuit (2), low-power consumption mcu circuit (3) and
User equipment provides power supply, and wherein the power supply of gprs circuit (2) and user equipment is controlled by low-power consumption mcu circuit (3)；Described
Gprs circuit (2) passes to low-power consumption mcu circuit (3) for communicating with remote server, by the data received, and by low function
The data that consumption mcu circuit (3) sends over are transmitted to remote server, and power supply is controlled by low-power consumption mcu circuit (3)；It is described
Low-power consumption mcu circuit (3) control gprs circuit (2) and user equipment power supply, using SPI interface and gprs circuit company
It connects, is connect using serial ports with user equipment, be responsible for completing the data exchange between user equipment and distal end gprs equipment.
2. a kind of super low-power consumption gprs- serial ports transparent transmission conversion module according to claim 1 is it is characterized in that, the electricity
Source circuit (1) uses 3.7V lithium battery power supply, provides power supply for gprs circuit (2), low-power consumption mcu circuit (3) and user equipment,
Wherein the power supply of gprs circuit (2) and user equipment is controlled by low-power consumption mcu circuit (3);Lithium battery connects DP1 interface and supplies to module
To power supply, 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
Chip DU1 and DU2 are connected with DQ3, generate controllable voltage W3.3V and E3.3V；W3.3V is used to power to gprs circuit (2),
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), by C_W and
C_E is controlled.
3. a kind of super low-power consumption gprs- serial ports transparent transmission conversion module according to claim 1 is it is characterized in that, described
Gprs circuit (2) passes to low-power consumption mcu circuit (3) for communicating with remote server, by the data received, and by low function
The data that consumption mcu circuit (3) sends over are transmitted to remote server, and power supply is controlled by low-power consumption mcu circuit (3);Circuit
It is made of gprs chips W U1, SIM card holder WU2, antennal interface WP1 and its peripheral circuit；The model that WU1 is used is TS55678,
WU2 uses 6 foot deck of clamshell, and WP1 uses ANT_SMA5P；WU1 internal processor, all power pins do decoupling processing,
Reset pin connects rc reset circuit；EMC protection, model are carried out using electrostatic protection chips W U3 between WP1 and U1
SMF05C；Its power supply is provided by power circuit (1), using SPI interface CS, SCK, MOSI and MISO and low-power consumption mcu circuit (3)
Communication.
4. a kind of super low-power consumption gprs- serial ports transparent transmission conversion module according to claim 1 is it is characterized in that, described is low
Power consumption mcu circuit (3) controls the power supply of gprs circuit (2) and user equipment, using SPI interface and gprs circuit connection, makes
It is connect with serial ports with user equipment, is responsible for completing the data exchange between user equipment and distal end gprs equipment;Circuit is by low function
Mcu chip MU1 is consumed, model is STM32L053R8T6, program download interface MP1, Transistor-Transistor Logic level serial line interface MP2 composition；Its
It is communicated by SPI interface CS, SCK, MOSI and MISO signal with gprs circuit (2)；Gprs electricity is controlled by C_W and C_E signal
The power supply of road (2) and user equipment, to reduce overall power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002850.5U CN208924232U (en) | 2018-06-27 | 2018-06-27 | A kind of super low-power consumption gprs- serial ports transparent transmission conversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002850.5U CN208924232U (en) | 2018-06-27 | 2018-06-27 | A kind of super low-power consumption gprs- serial ports transparent transmission conversion module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208924232U true CN208924232U (en) | 2019-05-31 |
Family
ID=66694903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821002850.5U Expired - Fee Related CN208924232U (en) | 2018-06-27 | 2018-06-27 | A kind of super low-power consumption gprs- serial ports transparent transmission conversion module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208924232U (en) |
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2018
- 2018-06-27 CN CN201821002850.5U patent/CN208924232U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20210627 |