CN111148083B - Low-power-consumption realization method based on low-power-consumption Bluetooth circuit breaker circuit board assembly - Google Patents
Low-power-consumption realization method based on low-power-consumption Bluetooth circuit breaker circuit board assembly Download PDFInfo
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- CN111148083B CN111148083B CN201911334365.7A CN201911334365A CN111148083B CN 111148083 B CN111148083 B CN 111148083B CN 201911334365 A CN201911334365 A CN 201911334365A CN 111148083 B CN111148083 B CN 111148083B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 3
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 abstract 1
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- 230000005611 electricity Effects 0.000 description 6
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- 238000006243 chemical reaction Methods 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
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- 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
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
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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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- Automation & Control Theory (AREA)
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Abstract
The invention relates to a low-power consumption realization method based on a BLE breaker PCBA.A power chip, a BLE module and a master control MCU are all in a sleep mode in a power-on state; sending a data connection request instruction by using the electric meter, waking up the BLE module, carrying out data interaction, and establishing link connection with the electric meter; the command instruction is sent through the ammeter, and when the BLE module judges the correct command instruction, the main control MCU is awakened, and the command instruction is simplified; after waiting for the set time, the BLE module sends a simplified command instruction to the main control MCU; the main control MCU receives the command instruction and returns a reply instruction; the BLE module receives the reply instruction, reassembles into a complete instruction, returns the complete instruction to the ammeter, and enters a sleep mode after returning the instruction; the main control MCU judges the received command instruction and completes corresponding action, and through the low-power-consumption operation steps, most of the time of the BLE module and the main control MCU is ensured to be in a dormant state, so that the average power consumption of the system is greatly reduced.
Description
Technical Field
The invention relates to the technical field of low-voltage power distribution, in particular to a low-power-consumption realization method based on a low-power-consumption Bluetooth circuit breaker circuit board assembly.
Background
Along with the continuous improvement of market to intelligent electric energy meter functional requirement, the external circuit breaker of intelligent electric energy meter also receives more and more attention as comparatively important control element in the electric power system. The existing external circuit breaker for the electric meter generally adopts a wired mode to control switching-on and switching-off and feed back switching-on and switching-off information, but the wired control can increase power consumption to a certain extent, and has certain defects in the aspects of electricity larceny prevention, safety and convenience. The user hopes to have a lower consumption, safer, more convenient external circuit breaker of ammeter, can solve multiple defect in the current scheme.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a low-power-consumption realization method based on a low-power-consumption Bluetooth circuit breaker circuit board assembly.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for realizing low power consumption based on a circuit board assembly of a low power consumption Bluetooth breaker comprises the following steps:
step one, in a power-on state, a power chip, a low-power-consumption Bluetooth module and a main control chip are all in a sleep mode;
step two, the ammeter sends a data connection request instruction, the low-power-consumption Bluetooth module is awakened, data interaction is carried out, and link connection with the ammeter is established;
step three, the low-power-consumption Bluetooth module enters a sleep mode, waits for the ammeter to send heartbeat data frames, and maintains link connection;
step four, the ammeter sends a command instruction, the low-power-consumption Bluetooth module is awakened, when the low-power-consumption Bluetooth module judges the correct command instruction, the main control chip is awakened, and the command instruction is simplified;
after waiting for the set time, the low-power-consumption Bluetooth module sends a simplified command instruction to the main control chip;
step six, the main control chip receives the command instruction and returns a reply instruction;
seventhly, the low-power-consumption Bluetooth module receives the reply instruction, reassembles the reply instruction into a complete instruction, returns the complete instruction to the ammeter, and enters a sleep mode after returning the instruction;
and step eight, the main control chip judges the received command instruction, if the command instruction is a read instruction, the main control chip enters a sleep mode, if the command instruction is a control instruction, the main control chip turns on the power chip, and after the command instruction is finished, the power chip is turned off and enters the sleep mode.
Under the power-on state, the power supply chip is in a sleep mode and is powered by the mains supply power-taking circuit.
In the first step, the main control chip enters a sleep mode, the IO pin of the main control chip is always in a low level, and the main control chip waits for the Bluetooth low energy module to control the rising edge of the IO pin to wake up.
In step five, the set time is 10ms.
The communication between the low-power-consumption Bluetooth module and the ammeter adopts a data encryption mode.
The invention has the beneficial effects that:
1) When the motor is in standby, the power supply chip is turned off, and the electricity is directly taken from the commercial power taking circuit, so that the power conversion efficiency loss of the power supply chip is reduced;
2) Through the low-power consumption operation step, the most time of furthest assurance low-power consumption bluetooth module and main control chip is in the dormant state, greatly reduced the average power consumption of system.
Drawings
FIG. 1 is a logic diagram of the present invention.
FIG. 2 is a waveform timing diagram of a read command according to the present invention.
FIG. 3 is a waveform timing diagram of a write command according to the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The low-power-consumption Bluetooth circuit breaker comprises a power supply processing module, a low-power-consumption Bluetooth module and a control unit, wherein the control unit controls a main control chip MCU, a motor driving circuit, a data storage circuit and a position detection circuit, the low-power-consumption Bluetooth circuit breaker adopts a wireless low-power-consumption Bluetooth mode to be linked with an ammeter, the low-power-consumption Bluetooth module communicates with the main control chip through a BLE mode, and the power supply processing module supplies power for the circuit part of the whole circuit breaker.
The main control chip adopts a power supply chip with ultralow static working current, so that the power loss of the power supply chip during working is reduced.
The power supply processing module comprises a mains supply electricity taking circuit and a high-power output circuit, the mains supply electricity taking circuit supplies power to the main control chip, the low-power-consumption Bluetooth module and the data storage circuit, the power supply chip adopted by the high-power output circuit is a non-isolated AC-DC conversion switch power supply chip with ultralow static working current, the power supply output can be closed through a pin of the main control chip, the power supply output is started before the motor works, and high-power current is provided for the driving motor.
The low-power-consumption Bluetooth module comprises a circuit board, a low-power-consumption Bluetooth chip and a low-power-consumption peripheral device.
The low-power-consumption Bluetooth module is connected with the awakening pin of the main control chip and awakens the main control chip through an output signal.
The position detection circuit comprises a switching-on and switching-off detection circuit and a motor positioning position detection circuit.
Based on the structure, the invention discloses a low-power-consumption realization method of PCBA (printed circuit board assembly) based on a low-power-consumption Bluetooth circuit breaker, which comprises the following steps:
step one, in a power-on state, a power supply chip closes power supply output, power is supplied to the whole system only by virtue of a mains supply electricity taking circuit, meanwhile, a low-power-consumption Bluetooth module enters a sleep mode, a main control chip enters the sleep mode after an ammeter sends a request for connection data to wake up, the wake-up IO of the main control chip is at a low level, and the low-power-consumption Bluetooth module controls the rising edge of an IO pin to wake up;
step two, the ammeter sends a data connection request instruction, the low-power-consumption Bluetooth module is awakened to perform data interaction, and link connection between the low-power-consumption Bluetooth module and the ammeter is established;
step three, the low-power-consumption Bluetooth module enters a sleep mode, waits for the ammeter to send a heartbeat data frame, and maintains link connection;
step four, the ammeter sends a command instruction to wake up the low-power-consumption Bluetooth module, and after the low-power-consumption Bluetooth module judges a correct command instruction, the IO pin is pulled up to wake up the main control chip and simplify the command instruction;
after waiting for 10ms, the low-power-consumption Bluetooth module sends the simplified command instruction to a main control chip;
step six, the main control chip receives the command instruction and returns a simplified reply instruction according to the received command instruction;
seventhly, after receiving the reply instruction returned by the main control chip, the low-power-consumption Bluetooth module reassembles the low-power-consumption Bluetooth module into a complete instruction according to the reply instruction, returns the instruction to the ammeter through the low-power-consumption Bluetooth link, and enters a sleep mode after returning the instruction;
and step eight, the main control chip judges the received command instruction, if the command instruction is a read instruction, the main control chip enters a sleep mode, if the command instruction is a control instruction, the main control chip turns on the power chip, and after the command instruction is finished, the power chip is turned off and enters the sleep mode.
When the motor is in standby, the power supply chip is turned off, and the commercial power circuit supplies power, so that the power conversion efficiency loss of the power supply chip is reduced.
In addition, through the steps, the low-power-consumption Bluetooth module and the master control chip are ensured to be in the sleep state most of the time, and the average power consumption of the system is greatly reduced.
In order to ensure safety, data encryption is adopted for communication between the low-power-consumption Bluetooth module and the ammeter, and electricity stealing prevention capability is greatly improved.
And adopt the mode of bluetooth low energy wireless communication, can effectively prevent wired connection's reversal or misconnection, improved the security and the agility of connecting.
Meanwhile, comprehensive data communication can be realized, and all operation parameters of the circuit breaker can be monitored in real time.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
Claims (5)
1. A method for realizing low power consumption of a circuit board assembly based on a Bluetooth low energy breaker is characterized by comprising the following steps: which comprises the following steps:
step one, in a power-on state, a power chip, a low-power-consumption Bluetooth module and a main control chip are all in a sleep mode;
step two, the ammeter sends a data connection request instruction, the low-power-consumption Bluetooth module is awakened, data interaction is carried out, and link connection with the ammeter is established;
step three, the low-power-consumption Bluetooth module enters a sleep mode, waits for the ammeter to send a heartbeat data frame, and maintains link connection;
step four, the ammeter sends a command instruction to wake up the low-power-consumption Bluetooth module, and when the low-power-consumption Bluetooth module judges a correct command instruction, the main control chip is waken up, and the command instruction is simplified;
after waiting for the set time, the low-power-consumption Bluetooth module sends a simplified command instruction to the main control chip;
step six, the main control chip receives the command instruction and returns a reply instruction;
seventhly, the low-power-consumption Bluetooth module receives the reply instruction, reassembles the reply instruction into a complete instruction, returns the complete instruction to the ammeter, and enters a sleep mode after returning the instruction;
and step eight, the main control chip judges the received command instruction, if the command instruction is a read instruction, the main control chip enters a sleep mode, if the command instruction is a control instruction, the main control chip turns on the power chip, and after the command instruction is finished, the power chip is turned off and enters the sleep mode.
2. The method for realizing low power consumption based on the Bluetooth low energy circuit breaker circuit board assembly according to claim 1, characterized in that: under the power-on state, the power supply chip is in a sleep mode and is powered by the mains supply power-taking circuit.
3. The method for realizing low power consumption based on the Bluetooth low energy circuit breaker circuit board assembly according to claim 1, characterized in that: in the first step, the main control chip enters a sleep mode, the IO pin of the main control chip is always in a low level, and the main control chip waits for the Bluetooth low energy module to control the rising edge of the IO pin to wake up.
4. The method for realizing low power consumption of the circuit board assembly based on the Bluetooth low energy circuit breaker according to claim 1, is characterized in that: in the fifth step, the set time is 10ms.
5. The method for realizing low power consumption of the circuit board assembly based on the Bluetooth low energy circuit breaker according to claim 1, is characterized in that: the communication between the low-power-consumption Bluetooth module and the ammeter adopts a data encryption mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911334365.7A CN111148083B (en) | 2019-12-23 | 2019-12-23 | Low-power-consumption realization method based on low-power-consumption Bluetooth circuit breaker circuit board assembly |
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| CN201911334365.7A CN111148083B (en) | 2019-12-23 | 2019-12-23 | Low-power-consumption realization method based on low-power-consumption Bluetooth circuit breaker circuit board assembly |
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| CN111148083A CN111148083A (en) | 2020-05-12 |
| CN111148083B true CN111148083B (en) | 2023-04-07 |
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| CN117693001B (en) * | 2023-11-27 | 2024-05-17 | 青岛登云智谷科技有限公司 | Low-power distribution network and operation monitoring system and method based on BLE protocol |
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