CN105761470A - Use method of bluetooth based wireless meter reading device - Google Patents
Use method of bluetooth based wireless meter reading device Download PDFInfo
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- CN105761470A CN105761470A CN201610124458.7A CN201610124458A CN105761470A CN 105761470 A CN105761470 A CN 105761470A CN 201610124458 A CN201610124458 A CN 201610124458A CN 105761470 A CN105761470 A CN 105761470A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a bluetooth based wireless meter reading device, which includes a power module, a bluetooth communication module, a processor, an infrared communication module, an RS485 communication module and an RS232 communication module, and through the bluetooth communication module, the processor, a Freescale MC9S12 chip, frequency division duplex communication equipment, a Beidou satellite locator, driving control equipment and the like, the invention solves the problem that existing intelligent hand-held terminals cannot be applied to power meter reading because of no infrared interface. The wireless meter reading device provided by the invention is used for power meter reading.
Description
Technical field
The present invention relates to power domain, particularly relate to the using method of a kind of wireless meter-copy device based on bluetooth.
Background technology
At present, the meter reading method of China's power industry is mainly wireless remote collection and copies and manual metering, and both meter reading methods are dependent on special hardware device, it is necessary to customed product.Intelligent hand-held terminal on market, such as panel computer and smart mobile phone etc., they are cheap, manual dexterity, interface are various, compact, but all without infrared copy meter port, if increasing the special infrared interface of power system can increase volume and the manufacturing cost of equipment.
Summary of the invention
According to an aspect of the present invention, provide a kind of wireless meter-copy device based on bluetooth, it is arranged at the electric automobile based on the Big Dipper navigation, described electric automobile includes Freescale MC9S12 chip, frequency duplex communications equipment, the Big Dipper position finder and running control apparatus, the Big Dipper position finder is for positioning charging station near electric automobile and electric automobile, frequency duplex communications equipment is used for receiving charging station near the service condition of charging station near electric automobile and electric automobile and is distinguished the congestion level in each section of correspondence, Freescale MC9S12 chip and frequency duplex communications equipment, the Big Dipper position finder and running control apparatus connect respectively, for controlling running control apparatus to drive the traveling of electric automobile based on the output of frequency duplex communications equipment and the Big Dipper position finder.
More specifically, in the described electric automobile based on the Big Dipper navigation, including: frequency duplex communications equipment, it is arranged on the outside of electric automobile, for taking percentage ratio based on current the Big Dipper navigation position of electric automobile from what the charging station of far-end managed that server receives each charging station near current the Big Dipper navigation position of electric automobile, also receive from the traffic administration server of far-end and arrive at each charging station near current the Big Dipper navigation position and distinguished the congestion level in each corresponding section；The Big Dipper position finder, for receiving current the Big Dipper navigation position that the Big Dipper navigation positioning satellite sends in real time, electric automobile, it is additionally operable to receive in the Big Dipper map of navigation electronic, the Big Dipper navigation position of each charging station near current the Big Dipper navigation position of electric automobile；Speed motor controller, is arranged in the front end instrumental panel of electric automobile, is used for receiving actuating speed, and determines speed electric motor control signal based on actuating speed；Speed electric motor driver, is arranged on above the driving wheel of electric automobile, is connected respectively with speed motor controller and speed electric motor, is used for receiving speed electric motor control signal, and determines that speed electric motor drives signal based on speed electric motor control signal；Speed electric motor, it is arranged on above the driving wheel of electric automobile, is connected respectively with the driving wheel of speed electric motor driver and electric automobile, be used for receiving speed electric motor and drive signal, and drive signal to determine the rotating speed of self based on speed electric motor, to control the gait of march driving wheel of electric automobile；Electric power detection equipment, is arranged in the accumulator of electric automobile, for detecting the real-time dump energy of accumulator；Running control apparatus, it is arranged on electric automobile, it is connected with the direction electric machine controller of electric automobile and speed motor controller, for receiving position control signal, position-based control signal determines that direction drives signal and speed to drive signal, position-based control signal determines driving direction and actuating speed, and driving direction and actuating speed are sent respectively to direction electric machine controller and speed motor controller；Charging pile detection equipment, for electric automobile front scene shoots to obtain forward image, and carries out image recognition to determine whether front exists charging pile, correspondingly, sends and there is charging pile signal or be absent from charging pile signal forward image；Ultrasonic detecting equipment, is arranged on electric automobile front portion, differs distance in real time for what detect electric automobile front distance charging pile；ZIGBEE communication equipment, is arranged on electric automobile, carries out handshake operation for the ZIGBEE communication interface with charging pile, shakes hands and successfully then send charging pile qualifying signal, and failure of shaking hands then sends the defective signal of charging pile；Automatic charging equipment, it is arranged on electric automobile, including localizer, displacement driver, mechanical hand and charging head, localizer, displacement driver and charging head are all disposed within mechanical hand, localizer is for the relative distance between inspecting manipuator and the charging socket of charging pile, displacement driver is connected with localizer, is used for going to based on relative distance driving mechanical hand in the charging socket that the charging socket of charging pile, mechanical hand are used for being inserted by charging head charging pile after arriving at the charging socket of charging pile；Freescale MC9S12 chip, it is connected respectively with frequency duplex communications equipment, electric power detection equipment, running control apparatus, the Big Dipper position finder, charging pile detection equipment, ultrasonic detecting equipment, ZIGBEE communication equipment and automatic charging equipment, when real-time dump energy presets power threshold less than or equal to first, enter self-navigation pattern；nullWherein，Freescale MC9S12 chip is in self-navigation pattern，Start frequency duplex communications equipment、The Big Dipper position finder and charging pile detection equipment，The Big Dipper navigation position of current the Big Dipper navigation position and each charging station neighbouring is received from the Big Dipper position finder，Current the Big Dipper navigation position is sent to frequency duplex communications equipment with the congestion level in each section taking percentage ratio and each charging station neighbouring difference correspondence of each charging station near obtaining，The Big Dipper navigation position based on current the Big Dipper navigation position and each charging station neighbouring determines current the Big Dipper navigation position each charging station the Big Dipper navigation distance to the Big Dipper navigation position of each charging station neighbouring，Congestion level based on section corresponding to each charging station、Congestion level weight、Near each charging station take percentage ratio、Take percentage weight、The Big Dipper navigation distance of each charging station neighbouring and distance weighting calculate the convenience degree of each charging station neighbouring，Congestion level is more low，Convenience degree is more high，Take percentage ratio more low，Convenience degree is more high，The Big Dipper navigation distance is more short，Convenience degree is more high，Select the neighbouring charging station that convenience degree is the highest as target charging station；Freescale MC9S12 chip is additionally based upon the Big Dipper navigation position of current the Big Dipper navigation position and target charging station and determines position control signal, position control signal is sent to running control apparatus and goes to nearest charging station in the electronic chart that prestores to control electric automobile, when from charging pile detect equipment receive there is charging pile signal time, start ultrasonic detecting equipment and ZIGBEE communication equipment；Congestion level weight, take percentage weight, distance weighting, first preset power threshold, second preset power threshold and predeterminable range threshold value and be default fixed numbers.
More specifically, in the described electric automobile based on the Big Dipper navigation: Freescale MC9S12 chip is when receiving charging pile qualifying signal and difference distance is less than or equal to predeterminable range threshold value in real time, starting automatic charging equipment to be inserted by charging head in the charging socket of charging pile, Freescale MC9S12 chip exits self-navigation pattern.
More specifically, in the described electric automobile based on the Big Dipper navigation, also include: SD storage card, it is arranged in the front end instrumental panel of electric automobile, is used for prestoring congestion level weight, takies percentage weight, distance weighting, first preset power threshold, second preset power threshold and predeterminable range threshold value.
More specifically, in the described electric automobile based on the Big Dipper navigation: Freescale MC9S12 chip presets power threshold at real-time dump energy be more than or equal to second, controls the mechanical hand of automatic charging equipment so that charging head to pull away the charging socket of charging pile.
More specifically, in the described electric automobile based on the Big Dipper navigation: second presets power threshold presets power threshold more than first.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the electric automobile based on the Big Dipper navigation illustrated according to an embodiment of the present invention.
Accompanying drawing labelling: 1 Freescale MC9S12 chip；2 frequency duplex communications equipment；3 the Big Dipper position finders；4 running control apparatus
Detailed description of the invention
Below with reference to accompanying drawings the embodiment based on the electric automobile of the Big Dipper navigation of the present invention is described in detail.
In generation nineteen ninety, starts each main automobile production producer and begins to focus on the future development of electric automobile and start infusion of financial resources and technology in electric automobile field.On Los Angeles auto show in January nineteen ninety, the president of General Motors to the whole world promotion Impact pure electric sedan.Within 1992, Ford Motor uses the Ecostar of calcium sulfur battery, within 1996, Toyota Motor uses the RAV4LEV of Ni-MH battery, the Clio of French Reynolds automobile in 1996, the Prius hybrid power car of Toyota in 1997 rolls off the production line, Nissan Motor first electric automobile PrairieJoyEV using lithium ion battery in the world in 1997, within 1999, Honda Motor issues, sells hybrid power Insight.
Currently, although electric automobile initially enters huge numbers of families, but still too much rely on manual operation, automatization level is relatively low, especially when electric automobile electricity deficiency, cannot automatically searching suitable charging pile and suitable charging station and automatically go to, also cannot realize full-automatic formula electronics charging at charging scene, this is inconsistent with the intelligentized trend of electric automobile.
In order to overcome above-mentioned deficiency, the present invention has built a kind of electric automobile based on the Big Dipper navigation, existing electric automobile increases some high accuracy, targetedly electronic assistance aids, electric automobile is helped automatically to search for charging station, the automatically nearest charging pile of identification and automatically drive electric automobile to go to nearest charging pile to realize automatic charging, whole process does not need any manual operation, greatly provides the automatization level of electric automobile.
Fig. 1 is the block diagram of the electric automobile based on the Big Dipper navigation illustrated according to an embodiment of the present invention, described electric automobile includes Freescale MC9S12 chip, frequency duplex communications equipment, the Big Dipper position finder and running control apparatus, the Big Dipper position finder is for positioning charging station near electric automobile and electric automobile, frequency duplex communications equipment is used for receiving charging station near the service condition of charging station near electric automobile and electric automobile and is distinguished the congestion level in each section of correspondence, Freescale MC9S12 chip and frequency duplex communications equipment, the Big Dipper position finder and running control apparatus connect respectively, for controlling running control apparatus to drive the traveling of electric automobile based on the output of frequency duplex communications equipment and the Big Dipper position finder.
Then, continue the concrete structure based on the electric automobile of the Big Dipper navigation of the present invention is further detailed.
Described electric automobile includes: frequency duplex communications equipment, it is arranged on the outside of electric automobile, for taking percentage ratio based on current the Big Dipper navigation position of electric automobile from what the charging station of far-end managed that server receives each charging station near current the Big Dipper navigation position of electric automobile, also receive from the traffic administration server of far-end and arrive at each charging station near current the Big Dipper navigation position and distinguished the congestion level in each corresponding section.
Described electric automobile includes: the Big Dipper position finder, for receiving current the Big Dipper navigation position that the Big Dipper navigation positioning satellite sends in real time, electric automobile, it is additionally operable to receive in the Big Dipper map of navigation electronic, the Big Dipper navigation position of each charging station near current the Big Dipper navigation position of electric automobile；Speed motor controller, is arranged in the front end instrumental panel of electric automobile, is used for receiving actuating speed, and determines speed electric motor control signal based on actuating speed；Speed electric motor driver, is arranged on above the driving wheel of electric automobile, is connected respectively with speed motor controller and speed electric motor, is used for receiving speed electric motor control signal, and determines that speed electric motor drives signal based on speed electric motor control signal.
Described electric automobile includes: speed electric motor, it is arranged on above the driving wheel of electric automobile, it is connected respectively with the driving wheel of speed electric motor driver and electric automobile, signal is driven for receiving speed electric motor, and drive signal to determine the rotating speed of self based on speed electric motor, to control the gait of march driving wheel of electric automobile.
Described electric automobile includes: electric power detection equipment, is arranged in the accumulator of electric automobile, for detecting the real-time dump energy of accumulator；Running control apparatus, it is arranged on electric automobile, it is connected with the direction electric machine controller of electric automobile and speed motor controller, for receiving position control signal, position-based control signal determines that direction drives signal and speed to drive signal, position-based control signal determines driving direction and actuating speed, and driving direction and actuating speed are sent respectively to direction electric machine controller and speed motor controller.
Described electric automobile includes: charging pile detection equipment, for shooting to obtain forward image to electric automobile front scene, and forward image is carried out image recognition to determine whether front exists charging pile, correspondingly, send and there is charging pile signal or be absent from charging pile signal；Ultrasonic detecting equipment, is arranged on electric automobile front portion, differs distance in real time for what detect electric automobile front distance charging pile.
Described electric automobile includes: ZIGBEE communication equipment, is arranged on electric automobile, carries out handshake operation for the ZIGBEE communication interface with charging pile, shakes hands and successfully then send charging pile qualifying signal, and failure of shaking hands then sends the defective signal of charging pile.
Described electric automobile includes: automatic charging equipment, it is arranged on electric automobile, including localizer, displacement driver, mechanical hand and charging head, localizer, displacement driver and charging head are all disposed within mechanical hand, localizer is for the relative distance between inspecting manipuator and the charging socket of charging pile, displacement driver is connected with localizer, for driving mechanical hand to go to the charging socket of charging pile based on relative distance, mechanical hand for inserting charging head in the charging socket of charging pile after arriving at the charging socket of charging pile.
Described electric automobile includes: Freescale MC9S12 chip, it is connected respectively with frequency duplex communications equipment, electric power detection equipment, running control apparatus, the Big Dipper position finder, charging pile detection equipment, ultrasonic detecting equipment, ZIGBEE communication equipment and automatic charging equipment, when real-time dump energy presets power threshold less than or equal to first, enter self-navigation pattern.
nullWherein，Freescale MC9S12 chip is in self-navigation pattern，Start frequency duplex communications equipment、The Big Dipper position finder and charging pile detection equipment，The Big Dipper navigation position of current the Big Dipper navigation position and each charging station neighbouring is received from the Big Dipper position finder，Current the Big Dipper navigation position is sent to frequency duplex communications equipment with the congestion level in each section taking percentage ratio and each charging station neighbouring difference correspondence of each charging station near obtaining，The Big Dipper navigation position based on current the Big Dipper navigation position and each charging station neighbouring determines current the Big Dipper navigation position each charging station the Big Dipper navigation distance to the Big Dipper navigation position of each charging station neighbouring，Congestion level based on section corresponding to each charging station、Congestion level weight、Near each charging station take percentage ratio、Take percentage weight、The Big Dipper navigation distance of each charging station neighbouring and distance weighting calculate the convenience degree of each charging station neighbouring，Congestion level is more low，Convenience degree is more high，Take percentage ratio more low，Convenience degree is more high，The Big Dipper navigation distance is more short，Convenience degree is more high，Select the neighbouring charging station that convenience degree is the highest as target charging station.
Wherein, Freescale MC9S12 chip is additionally based upon the Big Dipper navigation position of current the Big Dipper navigation position and target charging station and determines position control signal, position control signal is sent to running control apparatus and goes to nearest charging station in the electronic chart that prestores to control electric automobile, when from charging pile detect equipment receive there is charging pile signal time, start ultrasonic detecting equipment and ZIGBEE communication equipment；Congestion level weight, take percentage weight, distance weighting, first preset power threshold, second preset power threshold and predeterminable range threshold value and be default fixed numbers.
Alternatively, in described electric automobile: Freescale MC9S12 chip is when receiving charging pile qualifying signal and difference distance is less than or equal to predeterminable range threshold value in real time, starting automatic charging equipment to be inserted by charging head in the charging socket of charging pile, Freescale MC9S12 chip exits self-navigation pattern；Described electric automobile can also include: SD storage card, it is arranged in the front end instrumental panel of electric automobile, is used for prestoring congestion level weight, takies percentage weight, distance weighting, first preset power threshold, second preset power threshold and predeterminable range threshold value；Freescale MC9S12 chip presets power threshold at real-time dump energy be more than or equal to second, controls the mechanical hand of automatic charging equipment so that charging head to pull away the charging socket of charging pile；And second preset power threshold more than first preset power threshold.
It addition, the global positioning satellite that Beidou satellite navigation system is China to be developed voluntarily and communication system (BDS), it is the 3rd ripe satellite navigation system after U.S. global positioning system (GPS) and Russian GLONASS.System is made up of vacant terminal, ground surface end and user side, high accuracy, highly reliable location, navigation, time service service can be provided by round-the-clock, round-the-clock in the world for all types of user, and have short message communication capacity, tentatively possess area navigation, location and time service ability, positioning precision is better than 20m, and time service precision is better than 100ns.On December 27th, 2012, the formal version of dipper system spacing wave ICD is formally announced, and the Asian-Pacific area is formally provided passive location, navigation, time service service by Beidou navigation business.
Adopt the electric automobile based on the Big Dipper navigation of the present invention, the technical problem of charging cannot be automatically performed when dump energy is not enough for prior art electric automobile, by electric power detection equipment, electric automobile dump energy is detected in real time, by the Big Dipper navigator, electric automobile is carried out the location of neighbouring suitable charging station and charging pile by running control apparatus and charging pile detection equipment, and carry out handshake operation by ZIGBEE communication equipment and charging pile, the charging to electric automobile is completed by automatic charging equipment, whole process automatically carries out, without any artificial means intervention.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment is not limited to the present invention.For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above and technical solution of the present invention is made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection.
Claims (6)
1., based on a using method for the wireless meter-copy device of bluetooth, the method includes:
1) a kind of wireless meter-copy device based on bluetooth is provided, it is arranged at the electric automobile based on the Big Dipper navigation, described electric automobile includes Freescale MC9S12 chip, frequency duplex communications equipment, the Big Dipper position finder and running control apparatus, the Big Dipper position finder is for positioning charging station near electric automobile and electric automobile, frequency duplex communications equipment is used for receiving charging station near the service condition of charging station near electric automobile and electric automobile and is distinguished the congestion level in each section of correspondence, Freescale MC9S12 chip and frequency duplex communications equipment, the Big Dipper position finder and running control apparatus connect respectively, for controlling running control apparatus to drive the traveling of electric automobile based on the output of frequency duplex communications equipment and the Big Dipper position finder；
2) described wireless meter-copy device is used.
2. the method for claim 1, it is characterised in that described electric automobile includes:
Frequency duplex communications equipment, it is arranged on the outside of electric automobile, for taking percentage ratio based on current the Big Dipper navigation position of electric automobile from what the charging station of far-end managed that server receives each charging station near current the Big Dipper navigation position of electric automobile, also receive from the traffic administration server of far-end and arrive at each charging station near current the Big Dipper navigation position and distinguished the congestion level in each corresponding section；
The Big Dipper position finder, for receiving current the Big Dipper navigation position that the Big Dipper navigation positioning satellite sends in real time, electric automobile, it is additionally operable to receive in the Big Dipper map of navigation electronic, the Big Dipper navigation position of each charging station near current the Big Dipper navigation position of electric automobile；
Speed motor controller, is arranged in the front end instrumental panel of electric automobile, is used for receiving actuating speed, and determines speed electric motor control signal based on actuating speed；
Speed electric motor driver, is arranged on above the driving wheel of electric automobile, is connected respectively with speed motor controller and speed electric motor, is used for receiving speed electric motor control signal, and determines that speed electric motor drives signal based on speed electric motor control signal；
Speed electric motor, it is arranged on above the driving wheel of electric automobile, is connected respectively with the driving wheel of speed electric motor driver and electric automobile, be used for receiving speed electric motor and drive signal, and drive signal to determine the rotating speed of self based on speed electric motor, to control the gait of march driving wheel of electric automobile；
Electric power detection equipment, is arranged in the accumulator of electric automobile, for detecting the real-time dump energy of accumulator；
Running control apparatus, it is arranged on electric automobile, it is connected with the direction electric machine controller of electric automobile and speed motor controller, for receiving position control signal, position-based control signal determines that direction drives signal and speed to drive signal, position-based control signal determines driving direction and actuating speed, and driving direction and actuating speed are sent respectively to direction electric machine controller and speed motor controller；
Charging pile detection equipment, for electric automobile front scene shoots to obtain forward image, and carries out image recognition to determine whether front exists charging pile, correspondingly, sends and there is charging pile signal or be absent from charging pile signal forward image；
Ultrasonic detecting equipment, is arranged on electric automobile front portion, differs distance in real time for what detect electric automobile front distance charging pile；
ZIGBEE communication equipment, is arranged on electric automobile, carries out handshake operation for the ZIGBEE communication interface with charging pile, shakes hands and successfully then send charging pile qualifying signal, and failure of shaking hands then sends the defective signal of charging pile；
Automatic charging equipment, it is arranged on electric automobile, including localizer, displacement driver, mechanical hand and charging head, localizer, displacement driver and charging head are all disposed within mechanical hand, localizer is for the relative distance between inspecting manipuator and the charging socket of charging pile, displacement driver is connected with localizer, is used for going to based on relative distance driving mechanical hand in the charging socket that the charging socket of charging pile, mechanical hand are used for being inserted by charging head charging pile after arriving at the charging socket of charging pile；
Freescale MC9S12 chip, it is connected respectively with frequency duplex communications equipment, electric power detection equipment, running control apparatus, the Big Dipper position finder, charging pile detection equipment, ultrasonic detecting equipment, ZIGBEE communication equipment and automatic charging equipment, when real-time dump energy presets power threshold less than or equal to first, enter self-navigation pattern；
nullWherein，Freescale MC9S12 chip is in self-navigation pattern，Start frequency duplex communications equipment、The Big Dipper position finder and charging pile detection equipment，The Big Dipper navigation position of current the Big Dipper navigation position and each charging station neighbouring is received from the Big Dipper position finder，Current the Big Dipper navigation position is sent to frequency duplex communications equipment with the congestion level in each section taking percentage ratio and each charging station neighbouring difference correspondence of each charging station near obtaining，The Big Dipper navigation position based on current the Big Dipper navigation position and each charging station neighbouring determines current the Big Dipper navigation position each charging station the Big Dipper navigation distance to the Big Dipper navigation position of each charging station neighbouring，Congestion level based on section corresponding to each charging station、Congestion level weight、Near each charging station take percentage ratio、Take percentage weight、The Big Dipper navigation distance of each charging station neighbouring and distance weighting calculate the convenience degree of each charging station neighbouring，Congestion level is more low，Convenience degree is more high，Take percentage ratio more low，Convenience degree is more high，The Big Dipper navigation distance is more short，Convenience degree is more high，Select the neighbouring charging station that convenience degree is the highest as target charging station；
Wherein, Freescale MC9S12 chip is additionally based upon the Big Dipper navigation position of current the Big Dipper navigation position and target charging station and determines position control signal, position control signal is sent to running control apparatus and goes to nearest charging station in the electronic chart that prestores to control electric automobile, when from charging pile detect equipment receive there is charging pile signal time, start ultrasonic detecting equipment and ZIGBEE communication equipment；
Wherein, congestion level weight, take percentage weight, distance weighting, first preset power threshold, second preset power threshold and predeterminable range threshold value and be default fixed numbers.
3. method as claimed in claim 2, it is characterised in that:
Freescale MC9S12 chip is when receiving charging pile qualifying signal and difference distance is less than or equal to predeterminable range threshold value in real time, starting automatic charging equipment to be inserted by charging head in the charging socket of charging pile, Freescale MC9S12 chip exits self-navigation pattern.
4. method as claimed in claim 2, it is characterised in that also include:
SD storage card, is arranged in the front end instrumental panel of electric automobile, is used for prestoring congestion level weight, takies percentage weight, distance weighting, first presets power threshold, second presets power threshold and predeterminable range threshold value.
5. method as claimed in claim 2, it is characterised in that:
Freescale MC9S12 chip presets power threshold at real-time dump energy be more than or equal to second, controls the mechanical hand of automatic charging equipment so that charging head to pull away the charging socket of charging pile.
6. method as claimed in claim 2, it is characterised in that:
Second presets power threshold presets power threshold more than first.
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Application publication date: 20160713 |