CN114765333A - Intelligent socket and use method - Google Patents
Intelligent socket and use method Download PDFInfo
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- CN114765333A CN114765333A CN202110053382.4A CN202110053382A CN114765333A CN 114765333 A CN114765333 A CN 114765333A CN 202110053382 A CN202110053382 A CN 202110053382A CN 114765333 A CN114765333 A CN 114765333A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides an intelligent socket and a using method thereof, comprising the following steps: the intelligent state detection module is configured to detect the charging state of the charging object to form real-time charging voltage; a smart state detection module further configured to provide the real-time charging voltage to a smart state processing module; the intelligent state processing module is configured to compare the real-time charging voltage with a charging voltage fitting curve to obtain a voltage control instruction; and the intelligent state control module is configured to adjust the charging voltage of the charging object according to the voltage control instruction.
Description
Technical Field
The invention relates to the technical field of consumer household appliances, in particular to an intelligent socket and a using method thereof.
Background
The socket is used as the most common equipment in industrial production and civil consumption, and the most important trouble exists when a user uses the socket is that the correct power supply can not be obtained when a charging object with a battery is charged, so that the service life of the battery of the charging object is reduced, the battery is damaged, even if the charging object catches fire, property loss and environmental pollution resource waste are caused.
The conventional intelligent socket only opens the relay when detecting that a load exists, has no real intelligent detection function and only is passively executed; in the prior art, after a charging object is powered on, the charging object is generally charged by a constant current, and actually, the demand of the charging object on the current is always changed, and particularly when the charging object is a battery, the situation is easy to cause the battery to bulge, explode and catch fire, and the safety and reliability are poor. The existing intelligent socket only can play an intelligent on-off effect, cannot understand the current requirement of a charging object, only can be on-off, and only plays an energy-saving role; in fact, from analysis of a large amount of failure data, the service life of charging objects with batteries, such as household mobile phones and flat plates, is reduced by nearly 30% compared with the ideal service life; where the damage accounts for 5%, this is enough to say that the level of intelligence of the socket is still to be raised!
In summary, the existing smart socket does not solve the problem of intelligent detection and control of the current magnitude of the charging object, and only opens the gate to allow the charging object to obtain the current magnitude by itself; therefore, the problem of intelligent control is not solved, and the battery is overcharged and even damaged; although the above risks are avoided to some extent with the upgrading of battery technology and the popularization of corresponding protection circuits, it is long thought that the treatment should be done on the original source.
Disclosure of Invention
The invention aims to provide an intelligent socket and a using method thereof, and aims to solve the problem that the intelligent detection and control of the current magnitude of a charging object are not solved by the conventional intelligent socket.
In order to solve the above technical problem, the present invention provides an intelligent socket, including:
the intelligent state detection module is configured to detect the charging state of the charging object to form a real-time charging voltage;
a smart state detection module further configured to provide the real-time charging voltage to a smart state processing module;
the intelligent state processing module is configured to compare the real-time charging voltage with a charging voltage fitting curve to obtain a voltage control instruction;
and the intelligent state control module is configured to adjust the charging voltage of the charging object according to the voltage control instruction.
Optionally, in the smart jack, the smart jack further includes:
the preset state module is configured to store the charging voltage fitting curve and the temperature rise threshold value and provide the charging voltage fitting curve and the temperature rise threshold value for the intelligent state processing module;
a preset state module further configured to receive and store a new charging voltage fitted curve;
the preset state module provides a charging voltage fitting curve corresponding to the voltage control instruction for the intelligent state control module, so that the intelligent state control module adjusts the charging voltage of the charging object according to the charging voltage fitting curve.
Optionally, in the smart socket, the intelligent state processing module compares the real-time charging voltage with the charging voltage fitting curve to obtain a voltage control command, and includes:
the preset state module provides a plurality of charging voltage fitting curves for the intelligent state control module;
the intelligent state processing module respectively compares the voltage of each node of each charging voltage fitting curve with the real-time charging voltage, if the charging voltage fitting curve currently used by the intelligent state control module is superposed with the real-time charging voltage, the voltage control instruction is a state maintaining charging instruction, and if the real-time charging voltage is superposed with one of the other charging voltage fitting curves, the voltage control instruction is a state converting charging instruction;
and if all the charging voltage fitting curves are not superposed with the real-time charging voltage, the voltage control instruction is a state updating charging instruction.
Optionally, in the smart jack, the smart jack further includes:
the intelligent state processing module compares the temperature rise threshold value with the real-time temperature of the charging object, and if the real-time temperature of the charging object is higher than the temperature rise threshold value, the voltage control instruction is a state conversion charging instruction or a state danger charging instruction.
Optionally, in the smart socket,
when the voltage control instruction is a state maintaining charging instruction, the intelligent state control module adjusts the charging voltage of the charging object according to the voltage of each node of the current charging voltage fitting curve;
when the voltage control instruction is a state conversion charging instruction, the intelligent state processing module adjusts the charging voltage of the charging object according to the voltage of each node of a charging voltage fitting curve corresponding to the state conversion charging instruction;
when the voltage control instruction is a state updating charging instruction, the intelligent state control module forms a new charging voltage fitting curve for the real-time charging voltage and provides the new charging voltage fitting curve to the preset state module for storage;
and when the voltage control instruction is a state dangerous charging instruction, sending an alarm signal.
Optionally, in the smart jack, the smart state detection module includes a sampling sensor circuit and an analog-to-digital conversion circuit, where:
the sampling sensor circuit comprises a voltage sensor, a temperature sensor and a conditioning circuit;
the conditioning circuit converts signals detected by the voltage sensor and the temperature sensor into a detection range of the analog-to-digital conversion circuit;
the analog-to-digital conversion circuit is connected between the sampling sensor circuit and the intelligent state processing module.
Optionally, in the smart jack, the smart state control module includes a voltage regulation circuit, wherein:
the voltage regulating circuit comprises a photoelectric converter and a buck conversion circuit, and the isolated photoelectric converter is used for regulating a digital potentiometer on the buck conversion circuit so as to regulate the charging voltage of a charging object.
The invention also provides a use method of the intelligent socket, which comprises the following steps:
the intelligent state control module obtains a preset charging voltage fitting curve, and adjusts the charging voltage of the charging object according to the charging voltage fitting curve;
the intelligent state detection module detects the charging state of a charging object to form a real-time charging voltage, and the real-time charging voltage is provided to the intelligent state processing module;
the intelligent state processing module compares the voltage of each node of the charging voltage fitting curve with the real-time charging voltage to obtain a voltage control instruction;
and the intelligent state control module adjusts the charging voltage of the charging object according to the voltage control instruction.
Optionally, in the method for using the smart socket, the comparing, by the intelligent state processing module, the voltage of each node of the charging voltage fitting curve with the real-time charging voltage to obtain the voltage control instruction includes:
the preset state module provides a plurality of charging voltage fitting curves for the intelligent state control module;
the intelligent state processing module respectively compares the voltage of each node of each charging voltage fitting curve with the real-time charging voltage, if the charging voltage fitting curve currently used by the intelligent state control module is superposed with the real-time charging voltage, the voltage control instruction is a state maintaining charging instruction, and if the real-time charging voltage is superposed with one of the other charging voltage fitting curves, the voltage control instruction is a state converting charging instruction;
and if all the charging voltage fitting curves are not coincident with the real-time charging voltage, the voltage control instruction is a state updating charging instruction.
Optionally, in the method for using the smart socket,
when the voltage control instruction is a state maintaining charging instruction, the intelligent state control module adjusts the charging voltage of the charging object according to the voltage of each node of the current charging voltage fitting curve;
when the voltage control instruction is a state conversion charging instruction, the intelligent state processing module adjusts the charging voltage of a charging object according to the voltage of each node of a charging voltage fitting curve corresponding to the state conversion charging instruction;
when the voltage control instruction is a state updating charging instruction, the intelligent state control module forms a new charging voltage fitting curve for the real-time charging voltage and provides the new charging voltage fitting curve to the preset state module for storage.
In the intelligent socket and the using method provided by the invention, a preset charging voltage fitting curve is obtained through the intelligent state control module, the charging voltage of a charging object is adjusted through the charging voltage fitting curve, the intelligent state detection module detects the charging state of the charging object to form a real-time charging voltage, the intelligent state processing module compares the voltage of each node of the charging voltage fitting curve with the real-time charging voltage to obtain a voltage control instruction, the intelligent state control module adjusts the charging voltage of the charging object according to the voltage control instruction to realize an automatic control closed loop, whether the current charging state is reasonable or not is monitored in real time by judging whether the charging voltage fitting curve is matched with the real-time charging voltage, and the intelligent degree of the whole process is high.
The novel intelligent household socket provided by the invention is different from the traditional socket, can intelligently control the charging voltage of a charging object, is more energy-saving, and is high in safety and reliability.
Drawings
Fig. 1 is a schematic diagram of a smart jack according to an embodiment of the present invention;
fig. 2 is a flow chart illustrating a method for using a smart jack according to an embodiment of the present invention;
fig. 3 is a flow chart illustrating a method for using a smart jack according to an embodiment of the present invention;
fig. 4 is a circuit diagram of an intelligent status detecting module in an intelligent socket according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a voltage regulation circuit in a smart jack according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a current regulating circuit in a smart jack according to an embodiment of the present invention.
Detailed Description
The smart socket and the method for using the smart socket according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is provided for the purpose of facilitating and clearly illustrating embodiments of the present invention.
Furthermore, features from different embodiments of the invention may be combined with each other, unless otherwise indicated. For example, a feature of the second embodiment may be substituted for a corresponding or functionally equivalent or similar feature of the first embodiment, and the resulting embodiments are likewise within the scope of the disclosure or recitation of the present application.
The core idea of the invention is to provide an intelligent socket and a using method thereof, so as to solve the problem that the current magnitude of a charging object is not intelligently detected and controlled by the existing intelligent socket.
In order to realize the thought, the invention provides an intelligent socket and a using method thereof, wherein the intelligent socket comprises the following steps: the intelligent state control module obtains a preset charging voltage fitting curve, and adjusts the charging voltage of the charging object according to the charging voltage fitting curve; the intelligent state detection module detects the charging state of a charging object to form a real-time charging voltage, and the real-time charging voltage is provided to the intelligent state processing module; the intelligent state processing module compares the voltage of each node of the charging voltage fitting curve with the real-time charging voltage to obtain a voltage control instruction; and the intelligent state control module adjusts the charging voltage of the charging object according to the voltage control instruction.
The present embodiment provides a smart socket, as shown in fig. 1, including: the intelligent state control module 30 obtains a preset charging voltage fitting curve, and the intelligent state control module 30 adjusts the charging voltage of the charging object according to the charging voltage fitting curve; the intelligent state detection module 10 detects the charging state of the charging object to form a real-time charging voltage, and provides the real-time charging voltage to the intelligent state processing module 20; the intelligent state processing module 20 compares the voltage of each node of the charging voltage fitting curve with the real-time charging voltage to obtain a voltage control instruction; the intelligent state control module 30 adjusts the charging voltage of the charging object according to the voltage control instruction.
Specifically, in the smart socket, the real-time charging voltage may be replaced with parameters such as a real-time charging current and/or a real-time temperature of a charging object.
In an embodiment of the present invention, the smart socket further includes a preset state module 40 configured to store the charging voltage fitting curve and the temperature rise threshold, and provide the charging voltage fitting curve and the temperature rise threshold to the smart state processing module 20; a preset state module 40 further configured to receive and store a new charging voltage fitted curve; the preset state module 40 provides the charging voltage fitting curve corresponding to the voltage control instruction to the intelligent state control module 30, so that the intelligent state control module 30 adjusts the charging voltage of the charging object according to the charging voltage fitting curve.
In an embodiment of the present invention, the comparing the real-time charging voltage with the fitted charging voltage curve by the intelligent state processing module 20 to obtain the voltage control command includes: the preset state module 40 provides a plurality of charging voltage fitting curves to the intelligent state control module 30; the intelligent state processing module 20 compares the voltage of each node of each charging voltage fitting curve with the real-time charging voltage, if the charging voltage fitting curve currently used by the intelligent state control module 30 coincides with the real-time charging voltage, the voltage control instruction is a state maintaining charging instruction, and if the real-time charging voltage coincides with one of the other charging voltage fitting curves, the voltage control instruction is a state converting charging instruction; and if all the charging voltage fitting curves are not coincident with the real-time charging voltage, the voltage control instruction is a state updating charging instruction. In an embodiment of the present invention, the intelligent state processing module 20 compares the temperature rise threshold with the real-time temperature of the charging object, and if the real-time temperature of the charging object is higher than the temperature rise threshold, the voltage control command is a state transition charging command or a state dangerous charging command.
In an embodiment of the present invention, when the voltage control command is a state maintaining charging command, the intelligent state control module 30 adjusts the charging voltage of the charging object according to the voltage of each node of the current charging voltage fitting curve; when the voltage control instruction is a state transition charging instruction, the intelligent state processing module 20 adjusts the charging voltage of the charging object according to the voltage of each node of the charging voltage fitting curve corresponding to the state transition charging instruction; when the voltage control command is a state update charging command, the intelligent state control module 30 forms a new charging voltage fitting curve from the real-time charging voltage, and provides the new charging voltage fitting curve to the preset state module 40 for storage; and when the voltage control command is a state dangerous charging command, sending an alarm signal.
In one embodiment of the invention, once the real-time temperature of the charging object is monitored to be higher than the temperature rise threshold value, other charging voltage fitting curves with smaller average voltage values are immediately taken as the basis for adjusting the charging voltage of the charging object, and are taken in sequence from large to small according to the amplitude of the average voltage values until the real-time temperature of the charging object is no longer higher than the temperature rise threshold value, and at the moment, the voltage control instruction is converted into a state conversion charging instruction; and if all the charging voltage fitting curves cannot enable the real-time temperature of the charging object to be lower than the temperature rise threshold value, converting the voltage control instruction into a state dangerous charging instruction and sending an alarm signal.
In one embodiment of the present invention, the intelligent state detection module 10 comprises a sampling sensor circuit 11 and an analog-to-digital conversion circuit 12, wherein: the sampling sensor circuit 11 comprises a voltage sensor, a temperature sensor and a conditioning circuit; the conditioning circuit converts signals detected by the voltage sensor and the temperature sensor into a detection range of the analog-to-digital conversion circuit 12; the analog-to-digital conversion circuit 12 is connected between the sampling sensor circuit 11 and the intelligent state processing module 20.
In one embodiment of the present invention, as shown in fig. 1, in the smart socket, the smart state control module 30 includes a voltage regulating circuit, wherein: the voltage regulating circuit includes a photoelectric converter 34 and a buck conversion circuit 35, and regulates a digital potentiometer on the buck conversion circuit 35 through the isolated photoelectric converter 34 to adjust a charging voltage of a charging target.
The embodiment also provides a use method of the smart socket, as shown in fig. 2, including: the intelligent state control module 30 obtains a preset charging voltage fitting curve, and the intelligent state control module 30 adjusts the charging voltage of the charging object according to the charging voltage fitting curve; the intelligent state detection module 10 detects the charging state of the charging object to form a real-time charging voltage, and provides the real-time charging voltage to the intelligent state processing module 20; the intelligent state processing module 20 compares the voltage of each node of the charging voltage fitting curve with the real-time charging voltage to obtain a voltage control instruction; the intelligent state control module 30 adjusts the charging voltage of the charging object according to the voltage control instruction.
In an embodiment of the present invention, the comparing, by the intelligent state processing module 20, the voltage of each node of the charging voltage fitting curve with the real-time charging voltage to obtain the voltage control command includes: the preset state module 40 provides a plurality of charging voltage fitting curves to the intelligent state control module 30; the intelligent state processing module 20 compares the voltage of each node of each charging voltage fitting curve with the real-time charging voltage, if the charging voltage fitting curve currently used by the intelligent state control module 30 coincides with the real-time charging voltage, the voltage control instruction is a state maintaining charging instruction, and if the real-time charging voltage coincides with one of the other charging voltage fitting curves, the voltage control instruction is a state converting charging instruction; and if all the charging voltage fitting curves are not coincident with the real-time charging voltage, the voltage control instruction is a state updating charging instruction.
In an embodiment of the present invention, when the voltage control command is a state maintaining charging command, the intelligent state control module 30 adjusts the charging voltage of the charging object according to the voltage of each node of the current charging voltage fitting curve; when the voltage control instruction is a state-conversion charging instruction, the intelligent state processing module 20 adjusts the charging voltage of the charging object according to the voltage of each node of the charging voltage fitting curve corresponding to the state-conversion charging instruction; when the voltage control command is a state update charging command, the intelligent state control module 30 forms a new charging voltage fitting curve from the real-time charging voltage, and provides the new charging voltage fitting curve to the preset state module 40 for storage.
In one embodiment of the present invention, as shown in fig. 3, includes: firstly, the preset state module 40 provides a certain charging voltage fitting curve to the intelligent state control module 30;
secondly, the intelligent state processing module 20 compares the voltage of each node of the charging voltage fitting curve with the real-time charging voltage, if the voltage of each node is coincident with the real-time charging voltage, the third step is implemented, and if not, the fourth step is implemented;
thirdly, the voltage control command is a state maintaining charging command (the charging voltage fitting curve is just the basis of the current adjusting charging voltage) or a state converting charging command (the charging voltage fitting curve is not the basis of the current adjusting charging voltage);
if the voltage control command is a state maintaining charging command, the intelligent state control module 30 further charges the voltage of each node of the current charging voltage fitting curve;
if the voltage control instruction is a state conversion charging instruction, converting the current charging voltage fitting curve into the charging voltage fitting curve to be used as a basis for newly adjusting the charging voltage;
step four, judging whether all the charging voltage fitting curves are implemented in the step two, if so, implementing the step five, otherwise, returning to the step one again;
in the fifth step, the voltage control command is a state update charging command, and the intelligent state control module 30 forms a new charging voltage fitting curve from the real-time charging voltage and provides the new charging voltage fitting curve to the preset state module 40.
In an embodiment of the present invention, the charging voltage is used as a determination parameter and may be replaced by a charging current; further, as shown in fig. 4, in the smart socket, the sampling sensor circuit 11 may further include a current sensor; the conditioning circuit converts the signal detected by the current sensor into the detection range of the analog-to-digital conversion circuit 12.
In one embodiment of the invention, the regulated charging voltage may be replaced with a regulated charging current; for example, in the smart socket, the smart state control module 30 may further include a digital-to-analog conversion circuit, a current driver, and a voltage-to-current conversion circuit, where the digital-to-analog conversion circuit converts the digital signal output by the smart state processing module 20 into a voltage-to-analog signal and sends the voltage-to-analog signal to the current driver, the current driver amplifies the voltage-to-analog signal to a control range of the voltage-to-current conversion circuit, and the voltage-to-current conversion circuit converts the voltage-to-analog signal into a current-to-analog signal. Specifically, as shown in fig. 6, the voltage-current conversion circuit includes a first operational amplifier, a second operational amplifier, a triode, and a darlington transistor, wherein: the negative input end of the first operational amplifier is grounded through a first resistor, is connected with the output end of the first operational amplifier through a second capacitor, and is connected with the positive input end of the second operational amplifier through a third resistor, a fourth resistor, a sixth resistor, a ninth resistor and an eighth resistor which are sequentially connected, and the first capacitor is connected with the third resistor and the fourth resistor in parallel; the positive input end of the first operational amplifier is connected with a voltage analog signal through a second resistor and is connected with the output end of the second operational amplifier through a fifth resistor; the output end of the first operational amplifier is connected with the base electrode of the triode through a seventh resistor; the negative input end of the second operational amplifier is connected with the output end of the second operational amplifier; the positive input end of the second operational amplifier is connected with a current analog signal; the base electrode of the triode is connected with the emitter electrode of the triode and the base electrode of the Darlington tube through a tenth resistor; the collector of the triode is connected with a power supply and the collector of the Darlington tube; and the emitter of the Darlington tube is connected to the current analog signal through a ninth resistor and an eighth resistor.
The field to which the invention relates is consumer household appliances. More specifically, the invention provides a novel intelligent socket which can intelligently identify the load of a plug-in charging object and correspondingly and intelligently control the charging voltage fitting curve. The invention is applied to a smart socket for consumer home use only by way of example, but it is clearly recognized that the invention has a broader range of application in other power supply fields (e.g. commercial sockets, smart posts for vehicles). The key point of the invention is how to reasonably deal with the 'demand' of the charging object. The hardware of the invention is provided with an intelligent voltage detection circuit and an intelligent voltage control circuit; the software can be linked with voltage control and detection in a matching way, and can intelligently learn the special power supply curve of the charging object; and the functions such as intelligent upgrading and the like can be realized.
The intelligent detection is a relatively complex process, and needs to monitor the voltage requirement of the load in real time and adjust the open gear of the voltage in real time; and the real-time state is adjusted under the condition of meeting reasonable temperature rise so as to ensure an excellent charging process; communication, namely adjusting gears in real time to adapt to the temperature rise of intelligent charging of different charging objects so as to ensure the health and the service life of the charging objects; prejudging, namely simply evaluating the current voltage requirement of the charging object, and judging that the temperature rise state of the charging object in a preset gear meets the preset condition if the temperature rise state meets the indexes; the curve, i.e. the shift point for the open voltage at a reasonable temperature rise under the current voltage demand, needs to be stored in the form of a table.
The current voltage and current signals of the charging object are converted into a range which is convenient for a processor to identify through a sampling sensor according to the load requirement of the charging object, and a conditioning circuit formed by combining operational amplifiers, namely the sampling sensor, is shown in FIG. 4; as shown in fig. 4, the sampling sensor converts the signals of each link and sends the converted signals to the analog-to-digital conversion processor; as shown in fig. 4, the analog-to-digital conversion processor converts the signal of each node into a digital signal that can be recognized by the central processing unit, and the central processing unit compares the digital signal with a preset signal to ensure the accuracy of closed-loop regulation, specifically, V + R1-4 and V + R1-4 are respectively connected to two ends of a sampling resistor to extract sampling voltages, one of the sampling voltages is input to the positive input end of the OPA, the other sampling voltage is grounded, and the output end of the OPA is connected to the negative input end, so that the OPA plays a role of a voltage follower (impedance transformation circuit), further enhancing the signal driving capability of the sampling voltage, or converting a current signal into a voltage signal, and the positive input end of the OPA is further connected to a voltage stabilizing diode to prevent the device from being damaged due to overvoltage; the output of which is connected to an amplifying circuit, also formed by an OPA, whose positive input is connected to the signal to be amplified, and between the output and ground are connected two proportional resistors whose junction is connected to the negative input, and further capacitively filtered, and the amplified signal is supplied to the ADC.
If the comparison of the central processing unit with the preset signal is not accurate, adjusting the digital potentiometer RW on the BUCK correspondingly through the isolated photoelectric converter OCEP as shown in fig. 5; the control voltage V-Ctrl is provided by the CPU, and the signal is easy to interfere with the digital potentiometer RW, so the optical signal is decoded and converted into the Ctrl-RW signal by the photoelectric converter, and the Ctrl-RW signal is provided to RW, and then RW further adjusts the resistance value according to the Ctrl-RW signal, so that the voltage output by BUCK is adjusted to the correct voltage value. The input end of the RW is connected with a plurality of filter capacitors, the output end FB thereof is connected with the connection point of two resistors (one is a digital potentiometer, and the other is a sampling resistor with a fixed resistance value), and the two resistors are connected between a power supply and the ground.
As shown in FIG. 6, the DAC is controlled at the same time to adjust the current Driver I-Driver to adjust the voltage-current converting circuit V-I; the double pipes are arranged together, so that the accuracy of supplying energy to the outside is ensured. The digital signal output by the central processing unit is converted into an analog signal DAC _ AQ0 through a DAC, and then passes through an amplifying circuit formed by an OPA, the principle of the amplifying circuit is the same as that of the amplifying circuit, and then the digital signal is input into a voltage follower, the principle of the voltage follower is the same as that of the amplifying circuit, the DAC _ AQ0_ Ctrl is obtained, and the digital signal is input into a voltage-current converting circuit, and the current signal AQ0_ out is obtained. The voltage-current conversion circuit comprises a first operational amplifier U1, a second operational amplifier U2, a triode M1 and a Darlington tube M2, wherein: the negative input end of the U is grounded through a first resistor R, connected with the output end of the U through a second capacitor C, connected with the positive input end of the U through a third resistor R, a fourth resistor R, a sixth resistor R, a ninth resistor R and an eighth resistor R which are connected in sequence, the first capacitor C is connected with the third resistor R and the fourth resistor R in parallel, the positive input end of the U is connected with a voltage analog signal DAC _ AQ _ Ctrl through the second resistor R, connected with the output end of the U through the fifth resistor R, the output end of the U is connected with the base electrode of the M through the seventh resistor R, the negative input end of the U is connected with the output end of the U, the positive input end of the U is connected with a current analog signal AQ _ out, the base electrode of the M is connected with the emitter electrode of the M and the base electrode of the M through the tenth resistor R, the collector electrode of the M is connected with a power supply and the collector electrode of the M, and the emitter electrode of the M is connected with the current analog signal AQ _ out through the R and the M.
In order to further improve the charging accuracy and the charging precision, the invention can simultaneously regulate the voltage and the current: the analog-to-digital conversion processor collects state data (current, voltage and temperature) of each node of the load; the central processing unit asks for the state data of each node to be loaded from the analog-to-digital conversion processor; the central processing unit compares preset or learned data and judges whether the load state is reasonable or not; on the one hand, if the voltage is not reasonable, the voltage is adjusted through the photoelectric converter and the BUCK; on the other hand, an adjusting and modifying instruction is issued by the digital-to-analog conversion processor; the digital-to-analog conversion processor delivers the instruction to the I-Driver and then converts the instruction into a proper level; I-Driver directly adjusts the voltage-current conversion circuit V-I and adjusts the current; adjusting the voltage and the current at the same time and repeating the process; and judging the state of each node is reasonable; and if the charging service is reasonable, the charging service is opened.
Compared with the traditional intelligent socket, the intelligent charging socket overcomes the defects of the common intelligent socket in a targeted manner, and through the voltage control of the intelligent charging object, the pain point of a user is solved in a targeted and effective manner through the curve learning of the intelligent charging object; the invention has the advantages that the voltage of a charging object is pre-judged, the current is buffered and controlled, the voltage of the charging object is detected, and the control is orderly and closed-loop controlled; through a strong combination mode, the stability, smoothness and variability of current for charging a charging object are ensured, and the intelligent socket is superior to the traditional intelligent socket.
In summary, the above embodiments describe the different configurations of the smart socket in detail, and it goes without saying that the present invention includes but is not limited to the configurations listed in the above embodiments, and any modifications made on the configurations provided in the above embodiments are within the scope of the present invention. One skilled in the art can take the contents of the above embodiments to take a counter-measure.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. A smart jack, comprising:
the intelligent state detection module is configured to detect the charging state of the charging object to form real-time charging voltage;
a smart state detection module further configured to provide the real-time charging voltage to a smart state processing module;
the intelligent state processing module is configured to compare the real-time charging voltage with a charging voltage fitting curve to obtain a voltage control instruction;
and the intelligent state control module is configured to adjust the charging voltage of the charging object according to the voltage control instruction.
2. The smart jack of claim 1, further comprising:
the preset state module is configured to store the charging voltage fitting curve and the temperature rise threshold value and provide the charging voltage fitting curve and the temperature rise threshold value for the intelligent state processing module;
a preset state module further configured to receive and store a new charging voltage fitted curve;
the preset state module provides a charging voltage fitting curve corresponding to the voltage control instruction for the intelligent state control module, so that the intelligent state control module adjusts the charging voltage of the charging object according to the charging voltage fitting curve.
3. The smart jack of claim 2, wherein the smart state processing module compares the real-time charging voltage to a charging voltage fitting curve to derive the voltage control command comprises:
the preset state module provides a plurality of charging voltage fitting curves for the intelligent state control module;
the intelligent state processing module respectively compares the voltage of each node of each charging voltage fitting curve with the real-time charging voltage, if the charging voltage fitting curve currently used by the intelligent state control module is superposed with the real-time charging voltage, the voltage control instruction is a state maintaining charging instruction, and if the real-time charging voltage is superposed with one of the other charging voltage fitting curves, the voltage control instruction is a state converting charging instruction;
and if all the charging voltage fitting curves are not coincident with the real-time charging voltage, the voltage control instruction is a state updating charging instruction.
4. The smart jack of claim 3, further comprising:
the intelligent state processing module compares the temperature rise threshold value with the real-time temperature of the charging object, and if the real-time temperature of the charging object is higher than the temperature rise threshold value, the voltage control instruction is a state conversion charging instruction or a state danger charging instruction.
5. The smart jack of claim 1,
when the voltage control instruction is a state maintaining charging instruction, the intelligent state control module adjusts the charging voltage of the charging object according to the voltage of each node of the current charging voltage fitting curve;
when the voltage control instruction is a state conversion charging instruction, the intelligent state processing module adjusts the charging voltage of a charging object according to the voltage of each node of a charging voltage fitting curve corresponding to the state conversion charging instruction;
when the voltage control instruction is a state updating charging instruction, the intelligent state control module forms a new charging voltage fitting curve for the real-time charging voltage and provides the new charging voltage fitting curve to the preset state module for storage;
and when the voltage control instruction is a state dangerous charging instruction, sending an alarm signal.
6. The smart jack of claim 1, wherein the smart status detection module comprises a sampling sensor circuit and an analog-to-digital conversion circuit, wherein:
the sampling sensor circuit comprises a voltage sensor, a temperature sensor and a conditioning circuit;
the conditioning circuit converts signals detected by the voltage sensor and the temperature sensor into a detection range of the analog-to-digital conversion circuit;
the analog-to-digital conversion circuit is connected between the sampling sensor circuit and the intelligent state processing module.
7. The smart jack of claim 1, wherein the smart state control module comprises a voltage regulation circuit, wherein:
the voltage regulating circuit comprises a photoelectric converter and a voltage-reducing conversion circuit, and the digital potentiometer on the voltage-reducing conversion circuit is regulated through the isolated photoelectric converter so as to regulate the charging voltage of a charging object.
8. A use method of a smart socket is characterized by comprising the following steps:
the intelligent state control module obtains a preset charging voltage fitting curve, and adjusts the charging voltage of the charging object according to the charging voltage fitting curve;
the intelligent state detection module detects the charging state of a charging object to form a real-time charging voltage, and the real-time charging voltage is provided to the intelligent state processing module;
the intelligent state processing module compares the voltage of each node of the charging voltage fitting curve with the real-time charging voltage to obtain a voltage control instruction;
and the intelligent state control module adjusts the charging voltage of the charging object according to the voltage control instruction.
9. The method as claimed in claim 8, wherein the comparing the voltage of each node of the charging voltage fitting curve with the real-time charging voltage by the intelligent state processing module to obtain the voltage control command comprises:
the preset state module provides a plurality of charging voltage fitting curves for the intelligent state control module;
the intelligent state processing module respectively compares the voltage of each node of each charging voltage fitting curve with the real-time charging voltage, if the charging voltage fitting curve currently used by the intelligent state control module is superposed with the real-time charging voltage, the voltage control instruction is a state maintaining charging instruction, and if the real-time charging voltage is superposed with one of the other charging voltage fitting curves, the voltage control instruction is a state converting charging instruction;
and if all the charging voltage fitting curves are not coincident with the real-time charging voltage, the voltage control instruction is a state updating charging instruction.
10. The method of using a smart jack of claim 9,
when the voltage control instruction is a state maintaining charging instruction, the intelligent state control module adjusts the charging voltage of the charging object according to the voltage of each node of the current charging voltage fitting curve;
when the voltage control instruction is a state conversion charging instruction, the intelligent state processing module adjusts the charging voltage of a charging object according to the voltage of each node of a charging voltage fitting curve corresponding to the state conversion charging instruction;
when the voltage control instruction is a state updating charging instruction, the intelligent state control module forms a new charging voltage fitting curve for the real-time charging voltage and provides the new charging voltage fitting curve to the preset state module for storage.
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| CN202110053382.4A CN114765333A (en) | 2021-01-15 | 2021-01-15 | Intelligent socket and use method |
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| CN202110053382.4A CN114765333A (en) | 2021-01-15 | 2021-01-15 | Intelligent socket and use method |
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