CN110861528A - Charging system based on voice interaction and working method thereof - Google Patents
Charging system based on voice interaction and working method thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention belongs to the technical field of charging piles, and discloses a charging system based on voice interaction and a working method thereof. The system comprises a cloud server and a plurality of charging piles; each charging pile comprises a pile body and a control box; a control chip is arranged in the control box; the front of the pile body is provided with a human body sensing device, a biological characteristic acquisition device, an audio acquisition device and an audio output device. The method comprises the following steps: detecting whether a human body approaches in a preset range, and if so, triggering an audio acquisition device; judging that audio information is generated, if so, forming a voice instruction; judging whether the current voice instruction is authorized to operate the instruction, if so, triggering a biological characteristic acquisition device; and judging whether the user database has the user biological characteristics matched with the biological characteristics of the current human body, if so, executing the current voice command. According to the invention, the user does not need to participate in the interaction with the charging pile through other equipment, and the direct interaction between the user and the charging pile is realized.
Description
Technical Field
The invention belongs to the technical field of charging systems, and particularly relates to a charging system based on voice interaction and a working method thereof.
Background
The charging pile is a power supply device which can be fixed on the ground or on the wall, and has the function similar to that of a fuel charger in a gas station; fill electric pile and generally install in public building parking area, residential area parking area and charging station.
The charging pile can charge various types of electric automobiles according to different voltage grades; fill electric pile's input and generally with alternating current network direct electrical connection, its output generally is connected with the rifle that charges that is used for electric automobile to charge. The charging pile generally provides two charging modes of conventional charging and quick charging, and people can use a specific charging card to swipe the card on a human-computer interaction operation interface provided by the charging pile to perform operations such as charging mode selection, charging time selection, cost data printing and the like; the existing charging pile can generally display and display data such as charging amount, charging cost, charging time and the like.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:
in the use process of the existing charging pile, card swiping interaction and touch screen interaction are mostly adopted in an interaction mode; among them, the touch screen interaction is influenced by reasons such as illumination and weather in outdoor environment, and various conditions are easy to appear, such as: under the condition of strong ambient brightness, the touch screen can reflect light, and the touch screen is easy to form condensation after heavy rain, so that water drops are distributed in the screen, and the screen can recover automatically or cannot recover at all after several days. Under the above circumstances, it is difficult for people to clearly see the content displayed on the touch screen, which greatly affects people who want to charge at this time. Meanwhile, with the rapid development of network and electronic technology, the payment mode gradually changes from certificate card cash to mobile phone payment, and fewer people go out and carry cash or cards, so that the interaction mode in the prior art is too single in the aspect of user use.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems to a certain extent.
Therefore, the invention aims to provide a charging system based on voice interaction and a working method thereof, so as to solve the problem that the existing charging interaction mode is easily influenced by external factors.
The technical scheme adopted by the invention is as follows:
a charging system based on voice interaction comprises a cloud server and a plurality of charging piles; each charging pile comprises a pile body and a control box arranged in the pile body; a control chip in communication connection with the cloud server is arranged in the control box; the front surface of the pile body is embedded with a human body sensing device, a biological characteristic acquisition device, an audio acquisition device and an audio output device which are respectively and electrically connected with the control chip; the cloud server comprises a user database;
the human body induction device is used for inducing whether a human body approaches in a preset range or not and sending an induction result to the control chip;
the biological characteristic acquisition device is used for acquiring the biological characteristics of a human body close to the pile body and sending the acquired biological characteristics to the control chip;
the audio acquisition device is used for acquiring the audio information of a human body close to the pile body and sending the acquired audio information to the control chip;
the audio output device is used for receiving and outputting the audio file from the control chip;
the control chip is used for receiving the induction result, the biological characteristics and the audio information, then sending the induction result, the biological characteristics and the audio information to the cloud server, and also used for receiving and processing instruction information from the cloud server;
the cloud server is used for receiving and processing induction results, biological characteristics and audio information from the control chip, sending instruction information to the control chip and storing registered user data in a user database.
Preferably, the front surface of the pile body is embedded with an induction type display device electrically connected with the control chip; the induction type display device is used for receiving and outputting video files, picture files and/or text files from the control chip, and is also used for receiving effective contact instructions and sending the effective contact instructions to the control chip.
Preferably, the biological characteristic acquisition device comprises a fingerprint acquisition device, an iris acquisition device, a vein recognition instrument and a face acquisition device which are respectively and electrically connected with the control chip.
Preferably, an audio codec electrically connected with the control chip is further arranged in the control box; the audio acquisition device and the audio output device are electrically connected with the control chip through the audio codec; the audio codec is used for encoding the audio information from the audio acquisition device into digital audio and then sending the digital audio to the control chip, and is also used for decoding the digital audio file from the control chip into analog audio and then sending the analog audio to the audio output device.
Preferably, the charging pile further comprises a charging gun embedded in the front face of the pile body; the output end of the charging gun is electrically connected with the control chip through the charging switch.
The working method of the charging system based on voice interaction comprises the following steps:
detecting whether a human body approaches in a preset range in real time, if so, sending an audio file to an audio output device, and triggering an audio acquisition device;
judging whether audio information is generated, if so, coding and analyzing the current audio file to form a voice instruction;
judging whether the current voice instruction is authorized to operate the instruction, if so, triggering the biological characteristic acquisition device, and if not, executing the current voice instruction;
and after triggering the biological characteristic acquisition device, acquiring the biological characteristics of the current human body, and then judging whether the user database of the cloud server has the user biological characteristics matched with the biological characteristics of the current human body, if so, executing the current voice instruction, and if not, sending an audio file containing prompt information to the audio output device.
Preferably, the authority operation instruction comprises a charging gun use instruction, an account balance change instruction and a user information viewing instruction.
The invention has the beneficial effects that:
through the matching use of the charging pile and the cloud server, based on voice interaction and by combining a biological characteristic recognition technology, a user does not need to participate in the interaction through an identification card or a terminal when interacting with the charging pile, so that the direct interaction between the user and the charging pile is realized, and the problem that the user cannot normally use the charging pile when a touch screen fault and other reasons occur is avoided;
according to the invention, the audio information of the user is acquired through the audio acquisition device, the control chip judges whether to execute the corresponding instruction after the audio information is processed by the cloud server, and if the instruction which can be executed only by the authority verification needs to be involved, the biological characteristic verification of the user is carried out, so that the user can use the charging system without being influenced by factors such as weather, environment brightness, inconvenience in card carrying and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of the structure of embodiment 1 of the present invention.
Fig. 2 is a flow chart of embodiment 2 of the present invention.
Fig. 3 is a circuit diagram of a control chip in embodiment 1 of the present invention.
Fig. 4 is a circuit diagram of a human body induction device in embodiment 1 of the present invention.
Fig. 5 is a circuit diagram of the audio acquisition device and the audio output device in embodiment 1 of the present invention.
Fig. 6 is a circuit diagram of an image capturing circuit in embodiment 1 of the present invention.
Fig. 7 is a circuit diagram of a current detection circuit in embodiment 1 of the present invention.
Fig. 8 is a circuit diagram of a voltage detection circuit in embodiment 1 of the present invention.
Fig. 9 is a circuit diagram of a power supply step-down circuit in embodiment 1 of the present invention.
Fig. 10 is a circuit diagram of a network interface circuit in embodiment 1 of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. When the terms "comprises," "comprising," "includes," and/or "including" are used herein, they specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
Example 1:
as shown in fig. 1, the present embodiment provides a charging system based on voice interaction, including a cloud server and a plurality of charging piles; each charging pile comprises a pile body and a control box arranged in the pile body; a control chip in communication connection with the cloud server is arranged in the control box; a human body sensing device, a biological characteristic acquisition device, an audio acquisition device and an audio output device which are respectively and electrically connected with the control chip are embedded in the front of the pile body; the cloud server includes a user database. In this embodiment, an inductive display device electrically connected to the control chip is further embedded in the front surface of the pile body; the induction type display device is used for receiving and outputting video files, picture files and/or text files from the control chip, and is also used for receiving effective contact instructions and sending the effective contact instructions to the control chip.
As one of the preferred embodiments, as shown in fig. 3, the model of the control chip may be, but is not limited to, STM32F407ZGT 6; STM32F407ZGT6 is an ST (Italian semiconductor) derived CortexTMThe M4 is a kernel STM32F4 series high-performance microcontroller which adopts a 90-nanometer NVM process and ART (adaptive real-time memory accelerator), wherein the ART technology enables a program to be executed in a zero waiting mode, the program execution efficiency is improved, the performance of cortex-M4 is brought into full play, and the STM32F4 series can reach 210DMIPS @168 MHz. Meanwhile, the STM32F4 series of microcontrollers integrate single-cycle DSP instructions and FPUs (floating point units), so that the computing power is improved, and some complex computations and control can be performed.
As another preferred embodiment, as shown in fig. 7-10, the control chip is further electrically connected with a current detection circuit, a voltage detection circuit, a power supply voltage reduction circuit and a network interface circuit; the current detection circuit is connected to a P20 port of the control chip through a current signal generated by the current transformer, amplified by a primary small signal of an operational amplifier U19A, followed by an emitter of U19B, rectified by voltage clamp to a forward waveform and output to an AD sampling pin of the control chip for ADC analog quantity acquisition; after the voltage detection circuit is subjected to voltage division and reduction by a plurality of 240K resistors, voltage signals are converted into current signals in an equal proportion through isolation conversion of a voltage type current transformer (2mA/2mA), the signal processing mode after the current signals are converted into the current signals is similar to that of the current detection circuit, and the current signals are amplified, followed and rectified and then output to an AD sampling pin of a control chip for ADC sampling; the power supply voltage reduction chip adopts a TPS54531 chip with high efficiency and low power consumption, has the highest 28V input voltage and supplies 5A current, and is internally provided with overvoltage and overcurrent protection; a network interface chip in the network port circuit adopts a W5500 chip of Wiznet; the W5500 chip is a full hardware TCP/IP embedded Ethernet controller, provides a simpler Internet connection scheme for an embedded system, and integrates a TCP/IP protocol stack, an 10/100M Ethernet data link layer (MAC) and a physical layer (PHY), so that network connection can be expanded by using a single chip; in addition, the W5500 chip is embedded with 32 Kbyte on-chip cache for Ethernet packet processing, and the W5500 chip provides SPI (peripheral serial interface) so as to be more easily integrated with a control chip or other processors; moreover, the W5500 chip uses a new high-efficiency SPI protocol to support the rate of 80MHz, so that high-speed network communication can be better realized; in order to reduce the system energy consumption, the W5500 chip also provides a network wake-up mode (WOL) and a power-down mode for selective use.
The human body induction device is used for inducing whether a human body is close to the preset range or not and sending an induction result to the control chip. As one of the preferable technical solutions, the human body induction sensor may be, but not limited to, an infrared proximity sensor or a microwave proximity sensor.
As another preferred embodiment, as shown in fig. 4, the human body sensing device adopts a human body sensing sensor, the output signal of the human body sensing sensor is an analog signal, a proportional relation exists between the sampling value of ADC _ TEMP and the distance, the distance between the human body and the pile body is obtained after signal sampling processing, and whether a person is near the pile body is judged according to the distance; wherein, the emitter follower formed by LM258, BAT54S, plays the role of voltage clamp, prevents that the output voltage is too high to cause MCU to destroy.
The biological characteristic acquisition device is used for acquiring the biological characteristics of the human body close to the pile body and sending the acquired biological characteristics to the control chip. In this embodiment, the biometric feature acquisition device includes a fingerprint acquisition device, an iris acquisition device, a vein recognition instrument and a face acquisition device which are respectively electrically connected with the control chip; the face collector can be but not limited to adopt an infrared camera, the infrared camera can cover a face detection area, and the face collection rate can reach more than 80%.
In another preferred embodiment, the vein recognizer and the fingerprint collector are connected with the control chip through a USB interface, and the control chip uploads the sampled data to the cloud server.
As another preferred embodiment, as shown in fig. 6, the iris collector and the face collector are both implemented by using image collecting circuits, and the iris recognition and the face recognition are both implemented by using cameras to take pictures and then performing data processing on a cloud server, and then implementing a subsequent interaction function after the verification of the cloud server is passed; XC6206P302MR in the image acquisition circuit is an LDO chip and outputs 3V to provide voltage for an active crystal oscillator of the camera module; the camera needs a built-in 24M crystal oscillator, and I2C communication is a camera control pin.
The audio acquisition device is used for acquiring the audio information of the human body close to the pile body and sending the acquired audio information to the control chip; the audio output device is used for receiving and outputting the audio file from the control chip. As one of the preferable technical solutions, the audio collecting device may, but is not limited to, employ a sound pick-up, and the audio output device may, but is not limited to, employ a speaker.
In this embodiment, an audio codec electrically connected to the control chip is further disposed in the control box; the audio acquisition device and the audio output device are electrically connected with the control chip through the audio codec; the audio codec is used for encoding the audio information from the audio acquisition device into digital audio and then sending the digital audio to the control chip, and is also used for decoding the digital audio file from the control chip into analog audio and then sending the analog audio to the audio output device.
As another preferred embodiment, as shown in fig. 5, in this embodiment, a WM S chip is used as audio acquisition and encoding/decoding and outputting of audio signals, and the audio acquisition and encoding/decoding are performed with a main chip through an I2S interface, MIC is a voice input interface, and can be connected with the WM S chip through LIP, LIN, MBCBIAS interfaces of a control chip, after audio information acquisition, the WM S chip can communicate with the control chip through an I2S interface, and upload received voice information to a cloud server through a network interface; in addition, AW8733TQR is a power amplifier chip, and is connected with the WM 1 chip through the SPK _ INN, SPKINP and SPKSHDN interfaces of the control chip, when voice is output, the voice signal can be amplified and then voice information is output through the K1 interface; the PJ12 can be connected with an external microphone input, and the PJ13 can be connected with an external sound box.
The control chip is used for receiving the induction result, the biological characteristics and the audio information and then sending the induction result, the biological characteristics and the audio information to the cloud server, and is also used for receiving and processing instruction information from the cloud server.
The cloud server is used for receiving and processing induction results, biological characteristics and audio information from the control chip, sending instruction information to the control chip and storing registered user data in a user database.
In this embodiment, the charging pile further comprises a charging gun embedded in the front face of the pile body; the output end of the charging gun is electrically connected with the control chip through a charging switch; it should be noted that the rifle that charges is current mature technique, and the rifle that charges is connected with alternating current electric wire netting direct electrical, and the switch that charges is used for controlling whether the rifle that charges can charge.
Example 2:
the embodiment is made on the basis of embodiment 1, and specifically includes:
as shown in fig. 2, this embodiment provides an operating method of the charging system based on voice interaction in embodiment 1, including the following steps:
detecting whether a human body approaches in a preset range in real time, if so, sending an audio file to an audio output device, and triggering an audio acquisition device; therefore, resource waste caused by standby of all parts is avoided, the audio acquisition device is started when a human body approaches, and audio such as prompts is played.
Judging whether audio information is generated, if so, coding and analyzing the current audio file to form a voice instruction; wherein the voice instruction is generated based on voice content recognition issued by a user.
And judging whether the current voice instruction is authorized to operate the instruction, if so, triggering the biological characteristic acquisition device, and if not, executing the current voice instruction. In this embodiment, the permission operation instruction includes a charging gun use instruction, an account balance change instruction, and a user information check instruction, that is, instructions related to personal information of the user are permission operation instructions, so that account security of the user is ensured.
And after triggering the biological characteristic acquisition device, acquiring the biological characteristics of the current human body, and then judging whether the user database of the cloud server has the user biological characteristics matched with the biological characteristics of the current human body, if so, executing the current voice instruction, and if not, sending an audio file containing prompt information to the audio output device.
The embodiments described above are merely illustrative, and may or may not be physically separate, if referring to units illustrated as separate components; if reference is made to a component displayed as a unit, it may or may not be a physical unit, and may be located in one place or distributed over a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.
Claims (7)
1. A charging system based on voice interaction is characterized in that: the charging system comprises a cloud server and a plurality of charging piles; each charging pile comprises a pile body and a control box arranged in the pile body; a control chip in communication connection with the cloud server is arranged in the control box; the front surface of the pile body is embedded with a human body sensing device, a biological characteristic acquisition device, an audio acquisition device and an audio output device which are respectively and electrically connected with the control chip; the cloud server comprises a user database;
the human body induction device is used for inducing whether a human body approaches in a preset range or not and sending an induction result to the control chip;
the biological characteristic acquisition device is used for acquiring the biological characteristics of a human body close to the pile body and sending the acquired biological characteristics to the control chip;
the audio acquisition device is used for acquiring the audio information of a human body close to the pile body and sending the acquired audio information to the control chip;
the audio output device is used for receiving and outputting the audio file from the control chip;
the control chip is used for receiving the induction result, the biological characteristics and the audio information, then sending the induction result, the biological characteristics and the audio information to the cloud server, and also used for receiving and processing instruction information from the cloud server;
the cloud server is used for receiving and processing induction results, biological characteristics and audio information from the control chip, sending instruction information to the control chip and storing registered user data in a user database.
2. The voice interaction-based charging system according to claim 1, wherein: the front surface of the pile body is also embedded with an induction type display device electrically connected with the control chip; the induction type display device is used for receiving and outputting video files, picture files and/or text files from the control chip, and is also used for receiving effective contact instructions and sending the effective contact instructions to the control chip.
3. The voice interaction-based charging system according to claim 1, wherein: the biological characteristic acquisition device comprises a fingerprint acquisition device, an iris acquisition device, a vein recognition instrument and a human face acquisition device which are respectively and electrically connected with the control chip.
4. The voice interaction-based charging system according to claim 1, wherein: the control box is also internally provided with an audio codec electrically connected with the control chip; the audio acquisition device and the audio output device are electrically connected with the control chip through the audio codec; the audio codec is used for encoding the audio information from the audio acquisition device into digital audio and then sending the digital audio to the control chip, and is also used for decoding the digital audio file from the control chip into analog audio and then sending the analog audio to the audio output device.
5. The voice interaction-based charging system according to claim 1, wherein: the charging pile also comprises a charging gun embedded in the front of the pile body; the output end of the charging gun is electrically connected with the control chip through the charging switch.
6. A working method of a charging system based on voice interaction is characterized in that: the method comprises the following steps:
detecting whether a human body approaches in a preset range in real time, if so, sending an audio file to an audio output device, and triggering an audio acquisition device;
judging whether audio information is generated, if so, coding and analyzing the current audio file to form a voice instruction;
judging whether the current voice instruction is authorized to operate the instruction, if so, triggering the biological characteristic acquisition device, and if not, executing the current voice instruction;
and after triggering the biological characteristic acquisition device, acquiring the biological characteristics of the current human body, and then judging whether the user database of the cloud server has the user biological characteristics matched with the biological characteristics of the current human body, if so, executing the current voice instruction, and if not, sending an audio file containing prompt information to the audio output device.
7. The operating method of the voice interaction-based charging system according to claim 6, wherein: the permission operation instruction comprises a charging gun use instruction, an account balance change instruction and a user information checking instruction.
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