CN108156183B - Wireless charging secret sensing module and electric storage and information transmission method thereof - Google Patents
Wireless charging secret sensing module and electric storage and information transmission method thereof Download PDFInfo
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- CN108156183B CN108156183B CN201810149797.XA CN201810149797A CN108156183B CN 108156183 B CN108156183 B CN 108156183B CN 201810149797 A CN201810149797 A CN 201810149797A CN 108156183 B CN108156183 B CN 108156183B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/606—Protecting data by securing the transmission between two devices or processes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H02J7/025—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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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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- Health & Medical Sciences (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a wireless charging confidentiality sensing module and an electric storage and information transmission method thereof. The module comprises a wireless rechargeable accumulator, a receiving detection electric signal identification unit and an information storage and transmission unit, wherein: the wireless charging accumulator is charged wirelessly, so that the accumulator obtains electric quantity supply, and the receiving detection electric signal identification unit and the information storage and transmission unit are automatically powered and kept running; the receiving detection electric signal identification unit is used for receiving electric signals of the ground detector, comparing the electric signals with the autonomous instruction protocol information, and if the information is not matched, outputting no information; if the information is matched, an authorization instruction is sent to the information storage and sending unit; and the information storage and transmission unit receives the authorization instruction and controls the encryption output of various information of the underground space facilities. By adopting the method, the running information of underground space facilities is effectively ensured, and the behavior of unauthorized acquisition of underground data is prevented; the service life of the module electronic components is prolonged.
Description
Technical Field
The invention belongs to the technical field of information, and mainly relates to a wireless charging security sensing module and an electricity storage and information transmission method thereof.
Background
The information and intelligent management of the underground space facilities adopts a new generation of information technology products, a Beidou navigation and positioning system and a geographic information system, utilizes the Internet of things and the Internet technology, combines GIS, BIM, VR technology and realizes information sharing and original scene reconstruction through an application platform, and can intuitively carry out visual management on the underground space facilities so as to discover problems and solve the problems more quickly and eliminate the problems in a sprouting state.
With the advancement of technology, the requirements for information acquisition and transmission are also increasing. The type, azimuth, trend and depth of the underground construction facilities are national-level secrets, the problem of non-confidentiality of the implementation of the existing chip data management on the underground space is required to be technically solved, encryption processing is carried out on the used electronic chips, information data leakage of the embedded positions and space facilities is prevented, and serious consequences caused by improper use of products in the intelligent city informatization and intelligent construction process are avoided. Meanwhile, because the underground closed space is moist, the electronic product needs to be subjected to high-level anti-corrosion treatment, and because the anti-corrosion difficulty is high, the service life of each electronic component of the current integrated circuit is far shorter than the time above the ground.
The inventors have studied intensively about the above technical problems, and have found that these problems can be avoided or alleviated. Therefore, a wireless charging secret sensing module special for underground facilities and an electric storage and information transmission method thereof are proposed, and the self-supply of power of the module is realized, so that a maintenance-free power source is realized; and the sensor and the security measures are combined to realize the wireless security acceptance and transmission of the perception early warning. In terms of manufacturing cost, the wireless sensor will enter the time of using high-quality and low-cost wireless sensors from the time of using high-cost wired sensors. From the application scope, the power supply generated by the module can meet the requirements of each unit device of the low-energy module and automatic data acquisition and transmission at the beginning of the occurrence of problems of underground space facilities, solves or avoids major accidents, reduces the risk of loss for the country, ensures the life and property safety of people and has regions with self-powered conditions, and the module can be widely used. In terms of confidentiality, the underground space facilities are national-level secrets, the module adopts an encryption processing technology of an autonomous instruction protocol, the problem of non-confidentiality of RFID chip data management to the underground space facilities is technically solved, and serious consequences caused by improper use of products in the novel intelligent city informatization and intelligent construction process are avoided. From the information transmission depth, because the module belongs to an active module, compared with the single-item short-distance acquisition technology of the RFID passive radio frequency chip, the module has deeper acquisition and self-reporting functions. The invention uses the characteristic of nanometer micropores of the polymer nanometer resin material and the technology to carry out coating and encapsulation, thereby enhancing the corrosion resistance of the components.
Disclosure of Invention
In order to better intelligent information management of underground space facilities, electric storage and information secret transmission are carried out on the underground facilities, information leakage is prevented, and the problem that the underground space is wet and has high anti-corrosion requirements on electronic products is solved.
The invention aims to provide a wireless charging confidentiality sensing module, which comprises a wireless charging accumulator, a receiving detection electric signal identification unit and an information storage and transmission unit, wherein:
the wireless charging accumulator is used for enabling the accumulator to obtain electric quantity supply through wireless charging, and automatically supplying power to the receiving detection electric signal identification unit and the information storage and transmission unit to keep running;
the receiving detection electric signal identification unit is used for receiving electric signals of the ground detector, comparing information with autonomous instruction protocol information, and if the information is not matched, outputting no information; if the information is matched, an authorization instruction is sent to the information storage and sending unit;
the information storage and transmission unit is used for controlling the encryption output of storage information and underground space facility perception response information according to the received authorization instruction.
Further, the wireless charging accumulator comprises a wireless charging unit, a receiving charging unit, one or more accumulators, wherein,
the wireless charging unit is used for carrying out coil resonance on a receiving charging unit which is positioned in a closed space and underground or has a movable space through a transmitting coupling coil of a charging power supply or charging equipment which is arranged on the ground or has the movable space;
the receiving and charging unit is used for generating electric energy through the resonance generated by the coupling of the receiving coupling coil and the transmitting coupling coil of the wireless charging unit, so that the accumulator is supplied with electric quantity;
the accumulator is used for charging and storing the received electric energy.
Further, the wireless charging accumulator further comprises a multiplexer, and when the number of the accumulator is two or more, the multiplexer is used for switching each accumulator to charge and store.
Further, the wireless charging unit comprises a power adapter, a power management circuit, an oscillator, a power amplifier circuit, a transmitting coupling coil and a peripheral protection circuit,
the power adapter provides power to the power management circuit;
the power supply management circuit performs voltage conversion and management on the power supply and provides power for the oscillator, the power amplifier circuit, the transmission coupling coil and the protection circuit;
the oscillator generates an alternating current signal and sends the alternating current signal to the power amplifier circuit;
the power amplifier circuit receives the alternating current signal, performs driving amplification, and resonates with the receiving coupling coil through the transmitting coupling coil;
the peripheral protection circuit provides protection for each circuit.
The receiving and charging unit comprises a receiving coupling coil, a rectifying and voltage stabilizing circuit and a control circuit, wherein:
the control circuit controls the receiving coupling coil and the rectifying and voltage stabilizing circuit to work;
and the receiving coupling coil is coupled with the transmitting coil of the wireless charging unit to generate electric energy through resonance, the electric energy is rectified and stabilized by the rectifying and stabilizing circuit, and the electric energy with fixed voltage is output and is sent to the accumulator.
Furthermore, the communication mode of the detection electric signal identification circuit and the ground detector is that a handshake protocol is added in a traditional RFID information transmission protocol; the receiving detection electric signal identification unit comprises a signal receiving unit, a signal identification unit and a driving circuit, wherein:
the driving circuit is used for driving the signal receiving unit and the signal identifying unit to work;
the signal receiving unit is used for receiving the electric signal of the ground detector and sending the electric signal to the signal identifying unit;
the signal identification unit is used for receiving the electric signal, comparing the electric signal with the autonomous instruction protocol information, and if the information is not matched, outputting no information; and if the information is matched, transmitting an authorization instruction to the information storage transmitting unit.
Further, the wireless charging confidentiality sensing module also comprises a sensor group, wherein the sensor group is automatically powered by the wireless charging accumulator and kept running, and is used for collecting information of underground space facilities, and when the information is slightly changed, the sensor group automatically reports related information to the information storage and transmission unit; the sensor group comprises a temperature sensor, a humidity sensor and a gas identification sensor, wherein:
the temperature sensor is used for collecting the temperature of underground space facilities, and when the temperature is slightly changed, the temperature sensor automatically reports related temperature information to the information storage and transmission unit;
the humidity sensor is used for collecting humidity of underground space facilities, and automatically reporting related humidity information to the information storage and transmission unit when the humidity is slightly changed;
the gas identification sensor is used for collecting the gas category of underground space facilities, and when the gas category is slightly changed, the gas identification sensor automatically reports the related gas category information to the information storage and transmission unit, wherein the identifiable gas comprises methane gas, propane gas, butane gas, oxygen, hydrogen and carbon monoxide;
in the running process of the underground space facility, when the underground pipeline which utilizes the sensor group to collect information is broken or leaked, the wireless charging secret sensing module can enter a self-starting mode, and an information storage and transmission unit is utilized to encrypt and transmit an alarm signal to a ground signal collection system, so that the system enters a management and control center;
devices and connection parts on the circuit board of the wireless charging security sensing module are subjected to corrosion prevention treatment by adopting nano resin tape casting coating.
The invention also provides a method for carrying out electric power storage and information transmission by using the wireless charging secret sensing module, which comprises the following steps:
step S1, wirelessly charging an accumulator by using a wireless charging accumulator, so that the accumulator obtains electric quantity supply, and automatically supplies power to a receiving detection electric signal identification unit and an information storage and transmission unit to keep running;
s2, receiving an electric signal of a ground detector by using the receiving detection electric signal identification unit, comparing the electric signal with pre-stored autonomous instruction protocol information, and outputting no information if the information is not matched; if the information is matched, an authorization instruction is sent to the information storage and sending unit;
and step S3, the information storage and transmission unit is used for receiving the authorization instruction and controlling the encryption output of various information of the underground space facility.
Further, in step S1: the power storage mode of the wireless charging energy accumulator comprises the following steps of:
performing coil resonance on a receiving charging unit which is positioned in a closed space and has a moving space underground by using a ground of the wireless charging unit or a charging power supply with the moving space or a transmitting coupling coil of the charging equipment;
the receiving and charging unit is utilized, and the receiving and coupling coil and the transmitting and coupling coil of the wireless charging unit are coupled to generate resonance to generate electric energy, so that the accumulator is supplied with electric quantity;
and when the number of the storage batteries is two or more, when the storage batteries in use lose the storage function, the multiplexer is used for automatically switching the other storage battery to charge and store.
Further, the charging mode of the wireless charging unit comprises the following steps:
providing power to a power management circuit by using the power adapter;
the power supply management circuit is used for carrying out voltage conversion and management on the power supply and providing power for the oscillator, the power amplifier circuit, the transmission coupling coil and the protection circuit;
generating an alternating current signal by using the oscillator and sending the alternating current signal to the power amplifier circuit;
the alternating current signal is received by the power amplifier circuit to be driven and amplified, and resonance occurs between the transmitting coupling coil and the receiving coupling coil;
providing protection for each circuit by using the peripheral protection circuit;
the charging mode of the receiving and charging unit comprises the following steps:
the control circuit is used for controlling the work of the receiving coupling coil and the rectifying and voltage stabilizing circuit;
and the receiving coupling coil and the transmitting coil of the wireless charging unit are coupled to generate resonance to generate electric energy, the electric energy is rectified and stabilized by the rectifying and stabilizing circuit, and the electric energy with fixed voltage is output to the accumulator.
Further, in step S2: the information comparison mode of the receiving detection electric signal identification unit comprises the following steps:
driving the signal receiving unit and the signal identifying unit to work by using a driving circuit;
receiving an electric signal of the ground detector by using the signal receiving unit and sending the electric signal to the signal identifying unit;
the signal identification unit is used for receiving the electric signal, and information comparison is carried out through the electric signal and the autonomous instruction protocol information, and if the information is not matched, no information is output; and if the information is matched, transmitting an authorization instruction to the information storage transmitting unit.
The invention achieves very obvious benefits:
the operation information of underground space facilities can be effectively ensured, and the behavior of unauthorized acquisition of underground data is prevented;
under the passive condition, the information required by underground space facilities is effectively transmitted for a long time by the self-power of the modules, and the communication service life of special module electronic components in underground special environments is prolonged;
in the aspect of corrosion prevention treatment, in order to ensure that each device and the connecting part on the circuit board can meet the corrosion prevention requirement of working in an underground airtight wet space for a long time, the nano resin tape casting coating is adopted, the nano micropore characteristics of the nano materials are utilized to effectively protect the circuit and each device, the corrosion prevention density is increased for the resin materials, the toughening effect is achieved, and the service lives of each integrated circuit and electronic component in the module are prolonged.
Drawings
FIG. 1 is a schematic diagram of the system components according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a wireless charging unit according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a receiving charging unit according to an embodiment of the invention.
Fig. 4 is a schematic diagram showing the composition of a recognition unit for receiving detection electric signals according to an embodiment of the present invention.
Detailed Description
The following detailed description of specific embodiments of the invention is provided in connection with the accompanying drawings and examples in order to provide a better understanding of the aspects of the invention and advantages thereof. However, the following description of specific embodiments and examples is for illustrative purposes only and is not intended to be limiting of the invention.
FIG. 1 is a schematic diagram of the system components of an embodiment of the present invention. As shown in fig. 1, a wireless charging security sensing module is dedicated for underground space facilities, and comprises a wireless charging accumulator 1, a receiving and detecting electric signal identification unit 2 and an information storage and transmission unit 3, wherein: the wireless charging accumulator 1 is used for enabling the accumulator to obtain electric quantity supply through wireless charging, and automatically supplying power to the receiving detection electric signal identification unit 2 and the information storage and transmission unit 3 to keep running; the receiving detection electric signal identification unit 2 is used for receiving an electric signal of the ground detector, comparing information with autonomous instruction protocol information, and if the information is not matched, outputting no information; if the information is matched, an authorization instruction is sent to the information storage and sending unit 3; the information storage and transmission unit 3 is used for controlling the encryption output of storage information and temperature, humidity and gas type information which are sensed and transmitted by underground space facilities according to the received authorization instruction.
The wireless charging accumulator 1 comprises a wireless charging unit 11, a receiving charging unit 12 and one or more accumulators, wherein the wireless charging unit 11 is used for carrying out coil resonance on the receiving charging unit 12 which is arranged in a closed space and underground or has a movable space through a charging power supply or a transmitting coupling coil 115 of charging equipment on the ground or has the movable space; the receiving and charging unit 12 generates electric energy by coupling the receiving and coupling coil 121 and the transmitting and coupling coil 115 of the wireless charging unit 11 to generate resonance, so that the accumulator is supplied with electric energy; the accumulator is used for charging and storing the received electric energy, and can be sent to a receiving station when information is sent.
For longer-term power supply, the accumulator number may be one or more, and when the number is two or more, the wireless charging accumulator 1 further includes a multiplexer 14, for example, when the first accumulator 131 in use loses its power storage function, the multiplexer 14 automatically switches to the second accumulator 132 for charging storage.
Fig. 2 is a schematic diagram of a wireless charging unit according to an embodiment of the invention. The wireless charging unit 11 as shown in fig. 2 includes a power adapter 111, a power management circuit 112, an oscillator 113, a power amplifier circuit 114, a transmission coupling coil 115, and a peripheral protection circuit 116, wherein the power adapter 111 supplies power to the power management circuit 112; the power management circuit 112 performs voltage conversion and management on the power supply, and provides power for the oscillator 113, the power amplifier circuit 114, the transmission coupling coil 115 and the protection circuit 116; the oscillator 113 generates an ac signal and sends the ac signal to the power amplifier circuit 114; the power amplifier circuit 114 receives the ac signal, performs driving amplification, and resonates with the receiving coupling coil through the transmitting coupling coil 115; the peripheral protection circuit 116 provides protection for the power management circuit 112.
Fig. 3 is a schematic diagram of a receiving charging unit according to an embodiment of the invention. As shown in fig. 3, the receiving and charging unit 12 includes a receiving coupling coil 121, a rectifying and voltage stabilizing circuit 122, and a control circuit 123, wherein: the control circuit 123 controls the receiving coupling coil 121 and the rectifying and voltage stabilizing circuit 122 to work; the receiving coupling coil 121 is coupled with the transmitting coupling coil 115 of the wireless charging unit 11 to generate electric energy, the rectifying and voltage stabilizing circuit 122 rectifies and stabilizes the electric energy, and the electric energy with fixed voltage is output to the accumulator.
Fig. 4 is a schematic diagram showing the composition of a recognition unit for receiving detection electric signals according to an embodiment of the present invention. As shown in fig. 4, the reception probe electrical signal recognition unit 2 includes a signal reception unit 21, a signal recognition unit 22, and a driving circuit 23, wherein: the driving circuit 23 is used for driving the signal receiving unit 21 and the signal identifying unit work 22; the signal receiving unit 21 is used for receiving the electric signal of the ground detector and sending the electric signal to the signal identifying unit 22; the signal recognition unit 22 is configured to receive the electrical signal, compare the electrical signal with the autonomous instruction protocol information, and if the electrical signal is not matched with the autonomous instruction protocol information, output no information; if the information matches, an instruction is sent to the information storage and transmission unit 3. The communication mode between the detection electric signal identification unit 2 and the ground detector is that a handshake protocol is added in a traditional RFID information transmission protocol.
The wireless charging secret sensing module further comprises a sensor group 4, the sensor group 4 is automatically powered by the wireless charging accumulator 1 to keep running, is used for collecting information of underground space facilities according to the security requirements of the underground space facilities, and can pertinently store the needed sensed content, such as flow, temperature, humidity, stress change, different gas identification, sound waves and the like, an interface is reserved through the wireless charging secret sensing module, and when the information of the underground space facilities is subjected to micro change, the sensor group 4 can automatically report related information to the information storage and transmission unit 3.
The sensor group 4 includes a temperature sensor 41, a humidity sensor 42, a gas recognition sensor 43, wherein: the temperature sensor 41 is used for collecting the temperature of underground space facilities, and automatically reporting the related temperature information to the information storage and transmission unit 3 when the temperature slightly changes; the humidity sensor 42 is configured to collect humidity of an underground space facility, and automatically report related humidity information to the information storage and transmission unit 3 when humidity changes slightly; the gas identifying sensor 43 is used for collecting the gas category of the underground space facilities, and when the gas category is slightly changed, the gas category information is automatically reported to the information storage and transmission unit 3, and the identified gas comprises methane gas, propane gas, butane gas, oxygen, hydrogen and carbon monoxide.
In the running process of the underground space facility, once the underground pipeline which utilizes the sensor group 4 to collect information is broken or leaked, the wireless charging secret sensing module can enter a self-starting mode, and the information storage and transmission unit 3 is utilized to encrypt and transmit an alarm signal to a ground signal collection system, so that the system enters a management and control center.
Devices and connection parts on the circuit board of the wireless charging security sensing module are subjected to corrosion prevention treatment by adopting nano resin tape casting coating. In the aspect of corrosion prevention treatment, in order to ensure that each device and the connecting part on the circuit board can meet the corrosion prevention requirement of working in an underground airtight wet space for a long time, the nano resin tape casting coating is adopted, the nano micropore characteristics of the nano materials are utilized to effectively protect the circuit and each device, the corrosion prevention density is increased for the resin materials, the toughening effect is achieved, and the service lives of each integrated circuit and electronic component in the module are prolonged.
The method for carrying out electric power storage and information transmission by utilizing the wireless charging security sensing module comprises the following steps:
step S1, wirelessly charging the accumulator 1 by using a wireless charging accumulator, so that the accumulator obtains electric quantity supply, and automatically supplies power to the receiving detection electric signal identification unit 2 and the information storage and transmission unit 3 to keep running;
step S2, the electric signal of the ground detector is received by the receiving detection electric signal identification unit 2, and compared with pre-stored autonomous instruction protocol information, if the information is not matched, no information is output; if the information is matched, an authorization instruction is sent to the information storage and sending unit 3;
and step S3, the information storage and transmission unit 3 is used for receiving the authorization instruction and controlling the encryption output of various information of the underground space facility.
In step S1: the manner in which the wireless charging accumulator 1 performs power storage includes the following steps: coil resonance is performed on the receiving charging unit 12 in the closed space under the ground or with a moving space by using the ground of the wireless charging unit 11 or the transmitting coupling coil 115 of the charging power source or the charging device with the moving space; the receiving and charging unit 12 is utilized to generate electric energy through the resonance generated by the coupling of the receiving and coupling coil 121 and the transmitting and coupling coil 115 of the wireless charging unit 11, so that the accumulator can obtain electric quantity supply; the accumulator is used for charging and storing the received electric energy; if the number of the electric storage devices is two or more, when the electric storage device in use loses the electric storage function, the multiplexer 14 automatically switches the other electric storage device to charge and store.
The wireless charging unit 11 is charged by providing power to a power management circuit 112 by the power adapter 111; voltage conversion and management are performed on the power supply by the power supply management circuit 112, and power is supplied to the oscillator 113, the power amplifier circuit 114, the transmission coupling coil 115 and the peripheral protection circuit 116; generating an alternating current signal by using the oscillator 113 and sending the alternating current signal to the power amplifier circuit 114; the ac signal is received by the power amplifier circuit 114, and is driven and amplified, and resonated with the receiving and coupling coil 121 by the transmitting and coupling coil 115; the peripheral protection circuit 116 is utilized to provide protection for the circuits.
The charging mode of the receiving and charging unit 12 includes the steps of controlling the receiving and coupling coil 121 and the rectifying and voltage stabilizing circuit 122 to work by using the control circuit; the receiving coupling coil 121 is coupled with the transmitting coupling coil 115 of the wireless charging unit 11 to generate electric energy, the rectifying and voltage stabilizing circuit 122 rectifies and stabilizes the electric energy, and the electric energy with fixed voltage is output to the accumulator.
In step S2: the manner of the receiving detection electric signal identification unit 2 for information comparison comprises the following steps: the driving circuit 23 is used for driving the signal receiving unit 21 and the signal identifying unit work 22; the signal receiving unit 21 is used for receiving the electric signal of the ground detector and sending the electric signal to the signal identifying unit 22; the signal recognition unit 22 is configured to receive the electrical signal, compare the electrical signal with the autonomous instruction protocol information, and if the electrical signal is not matched with the autonomous instruction protocol information, output no information; if the information matches, an instruction is sent to the information storage and transmission unit 3.
Finally, it should be noted that: the above examples are only illustrative of the invention and are not intended to be limiting of the embodiments. Other variations or modifications of the various aspects of the invention are within the scope of the invention as described above.
Claims (9)
1. The utility model provides a wireless secret sensing module that charges, includes wireless accumulator that charges, receipt detection signal of telecommunication identification element, information storage sending unit and sensor group, wherein:
the wireless rechargeable accumulator is used for enabling the accumulator to obtain electric quantity supply through wireless charging, and automatically supplies power to the receiving detection electric signal identification unit and the information storage and transmission unit to keep running, and the wireless rechargeable accumulator comprises a wireless charging unit, a receiving charging unit and one or more accumulators, wherein:
the wireless charging unit is used for carrying out coil resonance on a receiving charging unit which is positioned in a closed space and underground or has a movable space through a transmitting coupling coil of a charging power supply or charging equipment which is arranged on the ground or has the movable space;
the receiving and charging unit is used for generating electric energy through the resonance generated by the coupling of the receiving coupling coil and the transmitting coupling coil of the wireless charging unit, so that the accumulator is supplied with electric quantity;
the accumulator is used for charging and storing the received electric energy;
the receiving detection electric signal identification unit is used for receiving electric signals of the ground detector, comparing information with autonomous instruction protocol information, and if the information is not matched, outputting no information; if the information is matched, an authorization instruction is sent to the information storage and sending unit;
the information storage and transmission unit is used for controlling the encryption output of various information of underground space facilities according to the received authorization instruction;
the sensor group is automatically powered by the wireless rechargeable accumulator to keep running and is used for collecting information of underground space facilities, and when the information is slightly changed, the sensor group automatically reports related information to the information storage and transmission unit;
in the running process of the underground space facility, once the underground pipeline which utilizes the sensor group to collect information is broken or leaked, the wireless charging secret sensing module can enter a self-starting mode, and the information storage and transmission unit is utilized to encrypt and transmit an alarm signal to the ground signal collection system, so that the system enters the management and control center.
2. The wireless charging security sensor module of claim 1, wherein the wireless charging accumulator further comprises a multiplexer for switching each accumulator for charging storage when the number of accumulators is two or more.
3. The wireless charging privacy sensing module of claim 1, wherein:
the wireless charging unit comprises a power adapter, a power management circuit, an oscillator, a power amplifier circuit, a transmitting coupling coil and a peripheral protection circuit,
the power adapter provides power to the power management circuit;
the power supply management circuit performs voltage conversion and management on the power supply and provides power for the oscillator, the power amplifier circuit, the transmission coupling coil and the peripheral protection circuit;
the oscillator generates an alternating current signal and sends the alternating current signal to the power amplifier circuit;
the power amplifier circuit receives the alternating current signal, performs driving amplification, and resonates with the receiving coupling coil through the transmitting coupling coil;
the peripheral protection circuit provides protection for each circuit;
the receiving and charging unit comprises a receiving coupling coil, a rectifying and voltage stabilizing circuit and a control circuit, wherein:
the control circuit controls the receiving coupling coil and the rectifying and voltage stabilizing circuit to work;
and the receiving coupling coil is coupled with the transmitting coil of the wireless charging unit to generate electric energy through resonance, the electric energy is rectified and stabilized by the rectifying and stabilizing circuit, and the electric energy with fixed voltage is output and is sent to the accumulator.
4. The wireless charging security sensing module according to claim 1, wherein the communication mode between the receiving detection electric signal identification unit and the ground detector is that a handshake protocol is added in a traditional RFID information transmission protocol; the receiving detection electric signal identification unit comprises a signal receiving unit, a signal identification unit and a driving circuit, wherein:
the driving circuit is used for driving the signal receiving unit and the signal identifying unit to work;
the signal receiving unit is used for receiving the electric signal of the ground detector and sending the electric signal to the signal identifying unit;
the signal identification unit is used for receiving the electric signal, comparing the electric signal with the autonomous instruction protocol information, and if the information is not matched, outputting no information; and if the information is matched, transmitting an authorization instruction to the information storage transmitting unit.
5. The wireless charging privacy sensing module of claim 1, wherein the sensor group comprises a temperature sensor, a humidity sensor, a gas identification sensor, wherein:
the temperature sensor is used for collecting the temperature of underground space facilities, and when the temperature is slightly changed, the temperature sensor automatically reports related temperature information to the information storage and transmission unit;
the humidity sensor is used for collecting humidity of underground space facilities, and automatically reporting related humidity information to the information storage and transmission unit when the humidity is slightly changed;
the gas identification sensor is used for collecting the gas category of underground space facilities, and when the gas category is slightly changed, the gas identification sensor automatically reports the related gas category information to the information storage and transmission unit, wherein the identifiable gas comprises methane gas, propane gas, butane gas, oxygen, hydrogen and carbon monoxide;
devices and connection parts on the circuit board of the wireless charging security sensing module are subjected to corrosion prevention treatment by adopting nano resin tape casting coating.
6. A method of storing electricity and transmitting information using a wireless charging privacy sensing module according to any one of claims 1 to 5, the method comprising the steps of:
step S1, wirelessly charging an accumulator by using a wireless charging accumulator, so that the accumulator obtains electric quantity supply, and automatically supplies power to a receiving detection electric signal identification unit and an information storage and transmission unit to keep running;
s2, receiving an electric signal of a ground detector by using the receiving detection electric signal identification unit, comparing the electric signal with pre-stored autonomous instruction protocol information, and outputting no information if the information is not matched; if the information is matched, an authorization instruction is sent to the information storage and sending unit;
and step S3, the information storage and transmission unit is used for receiving the authorization instruction and controlling the encryption output of various information of the underground space facility.
7. The method according to claim 6, wherein in step S1: the mode of the wireless rechargeable accumulator for electricity storage comprises the following steps:
performing coil resonance on a receiving charging unit which is positioned in a closed space and has a moving space underground by using a ground of the wireless charging unit or a charging power supply with the moving space or a transmitting coupling coil of the charging equipment;
the receiving and charging unit is utilized, and the receiving and coupling coil and the transmitting and coupling coil of the wireless charging unit are coupled to generate resonance to generate electric energy, so that the accumulator is supplied with electric quantity;
and when the number of the storage batteries is two or more, when the storage batteries in use lose the storage function, the multiplexer is used for automatically switching the other storage battery to charge and store.
8. The method of claim 7, wherein the manner in which the wireless charging unit charges comprises the steps of:
providing power to the power management circuit by using the power adapter;
the power supply management circuit is utilized to perform voltage conversion and management on the power supply, and power supply is provided for the oscillator, the power amplifier circuit, the transmitting coupling coil and the peripheral protection circuit;
generating an alternating current signal by using the oscillator and sending the alternating current signal to the power amplifier circuit;
the alternating current signal is received by the power amplifier circuit to be driven and amplified, and resonance occurs between the transmitting coupling coil and the receiving coupling coil;
providing protection for each circuit by using a peripheral protection circuit;
the charging mode of the receiving and charging unit comprises the following steps:
the control circuit is used for controlling the receiving coupling coil and the rectifying and voltage stabilizing circuit to work;
and the receiving coupling coil and the transmitting coil of the wireless charging unit are coupled to generate resonance to generate electric energy, the electric energy is rectified and stabilized by the rectifying and stabilizing circuit, and the electric energy with fixed voltage is output to the accumulator.
9. The method according to claim 6, wherein in step S2, the manner in which the received probe electrical signal identifying unit performs the information comparison includes the steps of:
driving the signal receiving unit and the signal identifying unit to work by using the driving circuit;
receiving an electric signal of the ground detector by using the signal receiving unit and sending the electric signal to the signal identifying unit;
the signal identification unit is used for receiving the electric signal, and information comparison is carried out through the electric signal and the autonomous instruction protocol information, and if the information is not matched, no information is output; and if the information is matched, transmitting an authorization instruction to the information storage transmitting unit.
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| CN111188041B (en) * | 2020-01-08 | 2021-06-18 | 大连理工大学 | Submarine equipment anticorrosion protection device based on wireless charging |
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