CN113282048A - Control circuit for realizing low power consumption - Google Patents

Control circuit for realizing low power consumption Download PDF

Info

Publication number
CN113282048A
CN113282048A CN202110678773.5A CN202110678773A CN113282048A CN 113282048 A CN113282048 A CN 113282048A CN 202110678773 A CN202110678773 A CN 202110678773A CN 113282048 A CN113282048 A CN 113282048A
Authority
CN
China
Prior art keywords
circuit
pin
output
communication module
control circuit
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.)
Pending
Application number
CN202110678773.5A
Other languages
Chinese (zh)
Inventor
刘伟成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110678773.5A priority Critical patent/CN113282048A/en
Publication of CN113282048A publication Critical patent/CN113282048A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25257—Microcontroller
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Measuring Volume Flow (AREA)

Abstract

A control circuit for realizing low power consumption comprises a communication module, a peripheral control circuit and a battery, wherein the battery is electrically connected with the peripheral control circuit, the peripheral control circuit is electrically connected with the communication module, and the communication module is externally connected with an antenna; in the circuit composition of the invention, under the condition of not using the MCU, the peripheral control circuit controls the communication module to wake up and measure, thereby realizing the function of remote meter reading, saving the cost, having simple circuit, improving the reliability and reducing the average power consumption of the communication module.

Description

Control circuit for realizing low power consumption
Technical Field
The invention relates to the technical field of communication, in particular to a control circuit for realizing low power consumption.
Background
Conventionally, in order to realize remote meter reading of an intelligent water meter and a gas meter, a communication module and a control circuit formed by a Microcontroller (MCU) are generally used, the MCU is used to collect flow pulses and control the communication module to be powered up and awakened to realize data uploading, so that the communication module cannot enter a sleep mode; according to the composition scheme with the MCU control communication module, the cost of the whole scheme is high due to the fact that the MCU is high in cost and needs programming design, and the overall reliability of a circuit is low due to the fact that the scheme is multiple in devices and complex in structure; therefore, it is desirable to provide a circuit with low cost, low power consumption and simple device configuration.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a control circuit for realizing low power consumption, which can effectively solve the problems proposed in the background art.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the utility model provides a realize low-power consumption's control circuit, includes communication module, peripheral control circuit and battery, the battery is connected with the peripheral control circuit electricity, the peripheral control circuit is connected with the communication module electricity, the communication module is external to have the antenna, a serial communication port, the peripheral control circuit is including the switching element, monostable, gate circuit and the level shift circuit that connect electrically in proper order, monostable is used for receiving and changes the signal that the switching element sent and send to the gate circuit along the signal, the gate circuit is exported to the level shift circuit after merging the negative pulse signal, the level shift circuit sends the signal to the communication module and awakens up it.
Preferably, the communication module is provided with a serial port awakening end, the serial port awakening end is electrically connected with the magnetic switch through a discrete device, and the discrete device is a triode.
Preferably, the switch element is a water meter sampling switch or a gas meter sampling switch, the switch element includes a magnetic switch signal IN1 and a magnetic switch signal IN2, the switch element is configured to send an edge signal, and the edge signal includes a rising edge and a falling edge.
Preferably, the output end of the switching element is connected with the input end of a monostable circuit, the monostable circuit is used for converting an edge signal into a negative pulse signal, the monostable circuit is a 74HC123 circuit, and the 74HC123 circuit comprises a U28 unit circuit and a U29 unit circuit; the gate circuit is a nand gate circuit, the nand gate circuit is used for combining and outputting a plurality of negative pulse signals, and the nand gate circuit is a 74HC00 circuit.
Preferably, the U28 unit circuit includes an input pin 1A, an input pin 2A, an output pin 1Q/and an output pin 2Q/, and the magnetic switching signal IN1 of the switching element is connected to the negative input pin 1A and is output from the output pin 1Q/; the magnetic switching signal IN2 of the switching element is connected to the negative input pin 2A and is output from the output pin 2Q.
Preferably, the U29 unit circuit includes an input pin 1B, an input pin 2B, an output pin 1Q/and an output pin 2Q/, and the magnetic switching signal IN1 of the switching element is connected to the positive input pin 1B and is output from the output pin 1Q/; the magnetic switching signal IN2 of the switching element is connected to the positive input pin 2B and is output from the output pin 2Q.
Preferably, the 74HC00 circuit includes an input pin 1A, an input pin 1B, an input pin 4B, and an input pin 4A; the output pin 1Q/of the U28 unit circuit is connected with the input pin 1A of the 74HC00 circuit, and the output pin 2Q/of the U28 unit circuit is connected with the input pin 1B of the 74HC00 circuit; the output pin 1Q/of the U29 unit circuit is connected with the input pin 4A, and the output pin 2Q/of the U29 unit circuit is connected with the input pin 4B.
Preferably, the 74HC00 circuit further includes an output pin 2Y and an output pin 3Y, the output pin 2Y is connected to the input PSM _ EINT0 of the communication module, and the output pin 3Y is connected to the input PSM _ EINT1 of the communication module.
Compared with the prior art, the invention provides a control circuit for realizing low power consumption, which has the following beneficial effects:
1. in the circuit composition of the invention, under the condition of not using MCU, the peripheral control circuit controls the communication module to wake up and measure, thereby realizing the function of remote meter reading, saving the cost and having more advantages under the condition of scarce chips in the world;
2. the invention adopts simple gate circuit and discrete device to control the communication module to wake up, the circuit is simple, the reliability is improved, and the average power consumption of the communication module is also reduced.
Drawings
FIG. 1 is a schematic diagram of the components of a conventional control communication module;
FIG. 2 is a schematic diagram of the components of the control communication module according to the present invention;
FIG. 3 is a schematic diagram of the overall structure of the control circuit according to the present invention;
FIG. 4 is a schematic diagram of a gate circuit of the present invention;
fig. 5 is a schematic circuit diagram of the serial port wake-up magnetic switch of the communication module according to the present invention.
Wherein: 1. the circuit comprises a battery, 2, a peripheral control circuit, 21, a switching element, 22, a monostable circuit, 23, an NAND gate circuit, 24, a level conversion circuit, 3, a communication module, 31, a triode, 32 and a magnetic switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, the invention provides a control circuit for realizing low power consumption, which includes a communication module 3, a peripheral control circuit 2 and a battery 1, wherein the battery 1 is electrically connected with the peripheral control circuit 2, the battery 1 is used for supplying power to the communication module 3, the peripheral control circuit 2 is electrically connected with the communication module 3, and the communication module 3 is externally connected with an antenna, and is characterized in that the peripheral control circuit 2 includes a switch element 21, a monostable circuit 22, a gate circuit and a level conversion circuit 24 which are electrically connected in sequence, the monostable circuit 22 is used for receiving and converting an edge signal sent by the switch element 21 and sending the edge signal to the gate circuit, the gate circuit combines negative pulse signals and then outputs the negative pulse signals to the level conversion circuit 24, and the level conversion circuit 24 transmits the signals to the communication module 3 and awakens the communication module 3.
Preferably, the communication module 3 is provided with a serial port awakening end, the serial port awakening end is electrically connected with the magnetic switch 32 through a discrete device, and the discrete device is a triode 31.
Preferably, the switch element 21 is a water meter sampling switch or a gas meter sampling switch, the switch element 21 includes a magnetic switch signal IN1 and a magnetic switch signal IN2, the switch element 21 is configured to send an edge signal, and the edge signal includes a rising edge and a falling edge;
the switch element 21 comprises two magnetic switch devices, the two magnetic switch devices can send out magnetic switch signals IN1 and IN2, when the pointer rotates, the magnetic steel is driven to rotate, the two magnetic switch devices can attract and disconnect IN turn, and therefore the switch element 21 sends out different edge signals, namely a rising edge and a falling edge.
Preferably, the output terminal of the switching element 21 is connected to the input terminal of a monostable circuit 22, the monostable circuit 22 is used for converting an edge signal into a negative pulse signal, the monostable circuit 22 is a 74HC123 circuit, and the 74HC123 circuit comprises a U28 unit circuit and a U29 unit circuit; the gate circuit is a nand gate circuit 23, the nand gate circuit 23 is used for combining a plurality of negative pulse signals and outputting the combined negative pulse signals to the level conversion circuit 24, and the nand gate circuit 23 is a 74HC00 circuit.
Preferably, the U28 unit circuit includes an input pin 1A, an input pin 2A, an output pin 1Q/and an output pin 2Q/, and the magnetic switching signal IN1 of the switching element 21 is connected to the negative input pin 1A and is output from the output pin 1Q/; the magnetic switching signal IN2 of the switching element 21 is connected to the negative input pin 2A and is output from the output pin 2Q.
Preferably, the U29 unit circuit includes an input pin 1B, an input pin 2B, an output pin 1Q/and an output pin 2Q/, the magnetic switching signal IN1 of the switching element 21 is connected to the positive input pin 1B and is output from the output pin 1Q/; the magnetic switching signal IN2 of the switching element 21 is connected to the positive input pin 2B and is output from the output pin 2Q.
Preferably, the 74HC00 circuit includes an input pin 1A, an input pin 1B, an input pin 4B, and an input pin 4A; the output pin 1Q/of the U28 unit circuit is connected with the input pin 1A of the 74HC00 circuit, and the output pin 2Q/of the U28 unit circuit is connected with the input pin 1B of the 74HC00 circuit; the output pin 1Q/of the U29 unit circuit is connected with the input pin 4A, and the output pin 2Q/of the U29 unit circuit is connected with the input pin 4B.
Preferably, the 74HC00 circuit further includes an output pin 2Y and an output pin 3Y, the output pin 2Y is connected to the input PSM _ EINT0 of the communication module 3, and the output pin 3Y is connected to the input PSM _ EINT1 of the communication module 3.
As a specific embodiment of the present invention:
referring to fig. 3, in the running process of the water meter, when the meter hand rotates, the magnetic steel is driven to rotate, the two magnetic switches 32 are attracted and disconnected in turn, the water meter sampling switch can send out a rising edge and a falling edge according to a certain rule, if the edge signals directly control the communication module 3 to wake up, the communication module 3 can not enter a sleep mode, the edge signals are converted into negative pulse signals through the monostable circuit 22 in the peripheral control circuit 2, because the communication module 3 only has two wake-up ports, the nand gate circuit 23 is used again to combine 4 negative pulse signals output by the monostable circuit 22 into two negative pulse signals, and the level conversion circuit 24 transmits the two negative pulse signals to the communication module 3 and wakes up the communication module 3.
Referring to fig. 4, the magnetic switching signal IN1 and the magnetic switching signal IN2 are respectively connected to two monostable circuits 74HC123, i.e., the U28 unit circuit and the U29 unit circuit, the U28 unit circuit and the U29 unit circuit are respectively connected to the nand gate circuit 23, and the nand gate circuit 23 combines the negative pulse signals and outputs the combined negative pulse signals to the level shift circuit 24 and then to the communication module 3;
IN the U28 unit circuit, a magnetic switch signal IN1 is connected with a negative pole input pin 1A, is output by an output pin 1Q and is connected with an input pin 1A of a NAND gate circuit; the magnetic switch signal IN2 is connected with a negative input pin 2A, is output by an output pin 2Q and is connected with an input pin 1B of the NAND gate circuit 74HC 00; when the magnetic switch signal IN1 and the magnetic switch signal IN2 both have falling edges, the output pin 1Q/and the output pin 2Q/of the U28 both output a 20ms negative pulse, and the negative pulse wakes up the communication module 3 through the level conversion circuit 24;
IN the U29 unit circuit, the magnetic switching signal IN1 is connected to the positive input pin 1B, is output from the output pin 1Q, and is connected to the input pin 4A of the nand gate; when the magnetic switch signal IN1 and the magnetic switch signal IN2 both have rising edges, the output pin 1Q/and the output pin 2Q/of the U29 both output 20ms negative pulses, and the negative pulses wake up the communication module 3 through the level conversion circuit 24;
four output pins of the U28 unit circuit and the U29 unit circuit are respectively connected to four input pins of the nand gate circuit, and after the nand gate circuit performs primary inversion, the signals are output to two wake-up ends of the communication module 3 through an output pin 2Y and an output pin 3Y, namely PSM _ EINT0 and PSM _ EINT 1; thus, each rising edge and each falling edge of the switching element are converted into 20ms negative pulses, so that the communication module 3 is awakened; after the communication module 3 is awakened, the state of the switch element 21 is immediately scanned, the data of the switch element 21 is sampled, and the sampling 1 and the sampling 2 are transmitted to the communication module 3 through the level conversion circuit 24, so that the accumulated usage is calculated and stored;
referring to fig. 5, the serial port wakeup end of the communication module 3 realizes the function of waking up the magnetic switch 32, the output end of the magnetic switch 32 is connected to the b pole of the PNP triode through the resistor R158, the e pole of the PNP triode is connected to the serial port NB _ RX end of the communication module 3, and the c pole of the PNP triode is grounded; when the magnetic switch 32 is not attracted, the output of the magnetic switch 32 is high level, the PNP triode is cut off, the high level of the serial port NB _ RX end is high level, and the communication module 3 is not awakened; when the magnetic switch 32 is attracted, the magnetic switch 32 outputs a low level, the PNP triode is conducted, the serial port NB _ RX end is pulled down, the communication module 3 is awakened, meanwhile, the stored data is uploaded, and the data is immediately dormant after the data is completed.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. The utility model provides a realize low-power consumption's control circuit, includes communication module (3), peripheral control circuit (2) and battery (1), battery (1) is connected with peripheral control circuit (2) electricity, peripheral control circuit (2) are connected with communication module (3) electricity, communication module (3) are external to have the antenna, its characterized in that, peripheral control circuit (2) are including switch element (21), monostable circuit (22), gate circuit and level conversion circuit (24) that connect electrically in proper order, monostable circuit (22) are used for receiving and the signal of sending of change over switch element (21) and send to the gate circuit, the gate circuit is exported to level conversion circuit (24) after merging pulse signal, level conversion circuit (24) convey signal transfer to communication module (3) and awaken up it.
2. The control circuit for realizing low power consumption according to claim 1, wherein the communication module (3) is provided with a serial port wake-up terminal, the serial port wake-up terminal is electrically connected with the magnetic switch (32) through a discrete device, and the discrete device is a triode (31).
3. The control circuit for realizing low power consumption according to claim 1, wherein the switch element (21) is a water meter sampling switch or a gas meter sampling switch, the switch element (21) comprises a magnetic switch signal IN1 and a magnetic switch signal IN2, the switch element (21) is used for sending an edge signal, and the edge signal comprises a rising edge and a falling edge.
4. A control circuit for realizing low power consumption according to claim 1, wherein the output terminal of the switching element (21) is connected to the input terminal of a monostable circuit (22), the monostable circuit (22) is used for converting an edge signal into a negative pulse signal, the monostable circuit (22) is a 74HC123 circuit, and the 74HC123 circuit comprises a U28 unit circuit and a U29 unit circuit; the gate circuit is a NAND gate circuit (23), the NAND gate circuit (23) is used for combining and outputting a plurality of negative pulse signals, and the NAND gate circuit (23) is a 74HC00 circuit.
5. The control circuit for realizing low power consumption of claim 4, wherein the U28 unit circuit comprises an input pin 1A, an input pin 2A, an output pin 1Q/, and an output pin 2Q/, and the magnetic switching signal IN1 of the switching element (21) is connected to the negative input pin 1A and output by the output pin 1Q/; the magnetic switching signal IN2 of the switching element (21) is connected to the negative input pin 2A and is output from the output pin 2Q.
6. The control circuit for realizing low power consumption of claim 4, wherein the U29 unit circuit comprises an input pin 1B, an input pin 2B, an output pin 1Q/, and an output pin 2Q/, and the magnetic switching signal IN1 of the switching element (21) is connected to the positive input pin 1B and output by the output pin 1Q/; the magnetic switching signal IN2 of the switching element (21) is connected to the positive input pin 2B and is output from the output pin 2Q.
7. The control circuit for realizing low power consumption according to claim 4, wherein the 74HC00 circuit comprises an input pin 1A, an input pin 1B, an input pin 4B and an input pin 4A; the output pin 1Q/of the U28 unit circuit is connected with the input pin 1A of the 74HC00 circuit, and the output pin 2Q/of the U28 unit circuit is connected with the input pin 1B of the 74HC00 circuit; the output pin 1Q/of the U29 unit circuit is connected with the input pin 4A, and the output pin 2Q/of the U29 unit circuit is connected with the input pin 4B.
8. The control circuit for realizing low power consumption of claim 7, wherein the 74HC00 circuit further comprises an output pin 2Y and an output pin 3Y, the output pin 2Y is connected to the input end PSM _ EINT0 of the communication module (3), and the output pin 3Y is connected to the input end PSM _ EINT1 of the communication module (3).
CN202110678773.5A 2021-06-18 2021-06-18 Control circuit for realizing low power consumption Pending CN113282048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110678773.5A CN113282048A (en) 2021-06-18 2021-06-18 Control circuit for realizing low power consumption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110678773.5A CN113282048A (en) 2021-06-18 2021-06-18 Control circuit for realizing low power consumption

Publications (1)

Publication Number Publication Date
CN113282048A true CN113282048A (en) 2021-08-20

Family

ID=77284971

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110678773.5A Pending CN113282048A (en) 2021-06-18 2021-06-18 Control circuit for realizing low power consumption

Country Status (1)

Country Link
CN (1) CN113282048A (en)

Similar Documents

Publication Publication Date Title
CN213243599U (en) BMS low-power consumption dormancy power supply control and awakening circuit
CN107128191B (en) A kind of electric car lithium-ion-power cell group voltage synchronous Acquisition Circuit and its control method
CN202758378U (en) Active RFID electronic label
CN113795007B (en) Wireless sensor for measuring vibration signal of transformer and low-power-consumption working method
CN115598406B (en) Low-power-consumption voltage monitoring method and system based on state machine
CN106781054B (en) A kind of low power-consumption intelligent IC Card Water-Instrument system
CN109828506A (en) A kind of new-energy automobile electronics full-vehicle control module quiescent dissipation control system
CN102495576B (en) Ultra-low power circuit control system and method thereof
CN112020031A (en) Low-power consumption thing allies oneself with communication device based on wireless awakening of low frequency and wiFi
CN214751464U (en) Control circuit for realizing low power consumption
CN205596357U (en) Open -air detection device of low -power consumption
CN113282048A (en) Control circuit for realizing low power consumption
CN205596356U (en) Open -air detection device of low -power consumption of solar energy power supply
CN107318154A (en) Low power consumption method based on Lora communicators
CN208386945U (en) A kind of wake-up circuit for acquiring RF energy for wireless sensor node
CN109993953B (en) Low-power consumption power supply module
CN113660735B (en) Self-driven wireless sensing node powered by radio frequency energy and energy management method thereof
CN213579477U (en) Water quality and water quantity ecological compensation monitoring system and unmanned ship
CN204741115U (en) Row is inserted to intelligent modularization based on time control
CN111555947B (en) MCU low-power consumption dormancy awakening system
CN210181456U (en) Data acquisition unit on buoy
CN201383706Y (en) Bidirectional wireless electric energy control circuit
CN110190868A (en) Wake-up circuit and IoT device
CN110853330A (en) Voice system microwave sound wave infrared power saving module and intelligent device awakening system
CN217088159U (en) Take 4G module low-power consumption sensor control collection system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination