CN113205165A - Fire-fighting equipment management method and device based on Internet - Google Patents
Fire-fighting equipment management method and device based on Internet Download PDFInfo
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- CN113205165A CN113205165A CN202110490950.7A CN202110490950A CN113205165A CN 113205165 A CN113205165 A CN 113205165A CN 202110490950 A CN202110490950 A CN 202110490950A CN 113205165 A CN113205165 A CN 113205165A
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Abstract
A fire fighting equipment management system and method based on the Internet belong to the technical field of information processing. The system comprises a read-write card device and a radio frequency card RFID arranged on the fire fighting equipment, wherein the read-write card device comprises a processor, N read-write card devices and a first signal generator, and the first signal generator generates N carrier signals according to control words provided by the processor and respectively provides the N carrier signals for the N read-write card devices; every N fire fighting equipment are divided into a group, and the fire fighting equipment is characterized in that the N card readers simultaneously provide wireless electric energy for each radio frequency card RFID, and the radio frequency card RFID can write codes or read codes through any one of the N card readers. The system and the method provided by the invention can simultaneously read and write N radio frequency cards RFID, thereby improving the working efficiency.
Description
Technical Field
The invention relates to a fire fighting equipment management method and device based on the Internet, and belongs to the technical field of information processing.
Background
The management of fire-fighting equipment is generally difficult because the use of fire-fighting equipment is urgent and the use of fire-fighting equipment is not registered in time.
In the prior art, a server client mode can be used to store the use status of the fire-fighting equipment, and a database is provided in the server and is used to store the use status of the fire-fighting equipment. Although the registration means is changed from handwriting to internet registration, fire-fighting equipment still needs to be manually registered when going out of the warehouse and entering the warehouse, and the problem of registering the fire-fighting equipment when going out of the warehouse and entering the warehouse in an emergency is still solved.
Disclosure of Invention
The invention aims to provide a fire fighting equipment management system and method based on the Internet, which can read and write a plurality of Radio Frequency Identification (RFID) cards at the same time and improve the working efficiency.
In order to achieve the purpose, the invention provides an internet-based fire fighting equipment management system, which comprises a read-write card device and a radio frequency card RFID arranged on fire fighting equipment, wherein the read-write card device comprises a processor, N read-write card devices and a first signal generator, and the signal generator generates N carrier signals according to control words provided by the processor and respectively provides the N carrier signals for the N read-write card devices; every N fire fighting equipment are divided into a group, and the fire fighting equipment is characterized in that the N card readers-writers simultaneously provide microwave electric energy for each radio frequency card RFID, and the radio frequency card RFIDN can write codes or read codes through any one of the N card readers-writers.
Preferably, the first mentioned signal generator includes a direct digital frequency synthesizer, N-1 first adders and a first clock source, which are cascaded in sequence, wherein the first direct digital frequency synthesizer generates a first frequency signal according to a control word provided by the processor and provides the first frequency signal to first input terminals of the N-1 adders, respectively, the clock source is used for generating a second frequency signal, an output terminal of the clock source is connected to a second input terminal of a signal of the first adder, a signal output terminal of the first adder is used for providing a carrier signal to at least one card reader, and is connected to a second input terminal of the next first adder, and each first adder adds signals provided by the first input terminal and the second input terminal and provides the added signal to the output terminal.
Preferably, the radio frequency card RFID includes: the RFID signal processing device comprises a receiving antenna, N antenna loops, N filters and N rectifiers, wherein the N antenna loops are respectively in series resonance with N frequencies generated by a signal generator, the N filters respectively filter high-frequency signals generated by the N antenna loops, the N rectifiers respectively rectify signals generated by the N filters, and direct-current voltages output by the N rectifiers are connected in series, so that electric energy required by the RFID of the wireless radio frequency card is generated.
Preferably, the radio frequency card RFID further comprises a controller, a power amplifier, a modem, a memory and a first switch, when the code is written into the radio frequency card RFID, the controller connects the first switch to one of the N antenna loops, and a small signal amplifier in the amplifier amplifies the signal received by the antenna loop; the demodulator in the modem demodulates the signal provided by the amplifier to take out the code, and the controller stores the code in the memory; when reading the radio frequency card RFID writing code, the controller makes the code stored in the memory modulated onto the carrier wave generated by the second signal generator via the modem, amplified by the power amplifier in the amplifier and coupled to the antenna via the antenna loop.
Preferably, the radio frequency card RFID further includes a second signal generator, which includes a second direct digital frequency synthesizer, N-1 second adders and a second clock source, which are sequentially cascaded, where the second direct digital frequency synthesizer generates a third frequency signal according to a control word provided by the controller and provides the third frequency signal to the first inputs of the N-1 second adders, respectively, the second clock source generates a fourth frequency signal, an output end of the second clock source is connected to the second signal input end of the first second adder, a signal output end of the first second adder is used for modulation and demodulation to provide a carrier signal and is connected to the second input end of the next second adder, and each second adder adds signals provided by the first input end and the second input end and provides the carrier signal to the output end.
Preferably, the frequency of the third frequency signal is the same as the frequency of the first frequency signal; the frequency of the fourth frequency signal is the same as the frequency of the second frequency signal.
Preferably, the processor executes at least a control program, the control program comprising a generating module for generating metadata comprising time stamp and location information when reading and/or writing the radio frequency card RFID.
Preferably, the control program further includes a block registration module for writing the code and metadata of the radio frequency card RFID into the blocks of the block chain through the communication unit.
In order to achieve the purpose, the invention also provides a method for managing the fire fighting equipment by using the system.
Has the advantages that:
compared with the prior art, the invention can read and write a plurality of Radio Frequency Identification (RFID) cards at the same time, thereby improving the working efficiency.
Drawings
FIG. 1 is a circuit diagram of a read/write card apparatus provided by the present invention;
FIG. 2 is a circuit diagram of a radio frequency card RFID provided by a first embodiment of the present invention;
fig. 3 is a circuit diagram of a radio frequency card RFID according to a second embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "connected" and "connected" should be interpreted broadly, and for example, they may be fixedly connected, detachably connected, or integrally connected, directly connected, indirectly connected through an intermediate medium, or communicated between two elements, and those skilled in the art may specifically understand the meaning of the terms in the present invention.
The fire fighting equipment management system based on the Internet comprises a read-write card device and radio frequency card RFID devices arranged on the fire fighting equipment, wherein every N fire fighting equipment are divided into a group, N read-write card devices simultaneously provide microwave electric energy for each radio frequency card RFID, and the radio frequency card RFID devices can write codes or read codes through any one of the N read-write card devices.
Fig. 1 is a circuit diagram of a card reader/writer device according to the present invention, and as shown in fig. 1, the card reader/writer device according to the present invention includes a processor 200, N card readers/writers such as 201 and 202, and a first signal generator; the first signal generator generates N carrier signals according to the control words provided by the processor 200 and provides the N carrier signals to the N card readers/writers respectively, wherein N is an integer greater than or equal to 2; every N fire fighting devices are grouped into one group. A first of said signal generators comprises a direct digital frequency synthesizer 204, N-1 first adders and a first clock source 208, first adders such as 205, 206 and 207, which are cascaded in sequence, wherein the first direct digital frequency synthesizer 204 generates a first frequency signal Foff according to a control word supplied by the processor 200 and supplies the first frequency signal Foff to first inputs of the N-1 adders, respectively, a clock source 208 for generating a second frequency signal, an output of which is connected to a second input of a signal of the first adder 207, the clock source 208 also supplies a carrier signal to a card reader such as 201, a signal output of the first adder 207 is used for supplying the carrier signal to at least one card reader such as 202 and is connected to a second input of a next first adder such as 206, each first adder adding signals supplied from the first input and the second input, then supplied to the output terminal, thereby obtaining N carrier signals F0,F1,F2…, wherein F1=F0+Foff, F2=F0+2Foff, F3=F0+3Foff,…,FN-1=F0+(N-1)Foff. In the present invention, the second frequency signal generated by the clock source 208 is provided to the direct digital frequency synthesizer 204 by the frequency multiplier 209 via P-multiplication to provide the reference frequency. In the present invention, each card reader/writer comprises a card reader/writer unit, an antenna loop and an antenna, wherein the antenna loops respectively operate in different frequency bands, for example, the resonant frequency of the antenna loop of the card reader/writer 201 is F0Antenna of card reader 202Resonant frequency of the circuit being F0+FoffEtc., their operating bands do not overlap each other.
The card reader-writer device provided by the invention further comprises a memory 205 for storing data and control programs; further comprises an input/output interface 206 for connecting external devices such as a keyboard, a mouse, etc., a display 204 for displaying data and control programs, and a communication unit 210 for connecting the card reader/writer device to the internet, which is connectable to a P2P network. The system further comprises a positioning time service module 211, which is used for acquiring the position of the device and for acquiring the standard time.
Fig. 2 is a circuit diagram of a radio frequency card RFID according to a first embodiment of the present invention, and as shown in fig. 2, the radio frequency card RFID according to the first embodiment includes: the power supply circuit comprises N antenna loops, N filters and N rectifiers, wherein the N filters are 101, 102 and 103, the N rectifiers are 104, 105 and 106, the N antenna loops are respectively in series resonance with N frequencies generated by the signal generator, the N filters respectively filter high-frequency signals generated by the N antenna loops, the N rectifiers respectively rectify signals generated by the N filters, and direct-current voltages output by the N rectifiers are added to generate electric energy required by the wireless radio frequency card RFID. The antenna loop of the radio frequency card RFID provided in the first embodiment is composed of the inductance and the capacitance of the antenna 111 itself, for example, the first antenna loop is composed of the inductance and the capacitance C1 of the antenna 111, the second antenna loop is composed of the inductance and the capacitance C2 of the antenna 111, and the nth antenna loop is composed of the inductance and the capacitance CN of the antenna 111, and the resonant frequencies of the antenna loops of the N card readers-writers are the same.
In the first embodiment, the radio frequency card RFID further includes a controller 107, an amplifier 108, a modem 109, a memory 110, and a first switch K, when writing a code into the radio frequency card RFID, the controller 107 connects the first switch to one of the N antenna loops, and a small signal amplifier in the amplifier 108 amplifies a signal received by the antenna loop; the demodulator in the modem 109 demodulates the signal supplied from the amplifier to extract the code, and the controller 107 stores the code in the memory 110; when reading the RFID write code of the radio frequency card, the controller 107 modulates the code stored in the memory 110 onto a carrier wave by the modulator in the modem 109, amplifies the modulated code by the power amplifier in the amplifier, couples the amplified code to the antenna 111 by the antenna loop, and sends the amplified code to the card reader/writer device. The card reader/writer with the same working frequency as the transmitting carrier frequency of the radio frequency card RFID in the card reader/writer device receives the signal transmitted by the radio frequency card RFID, demodulates the signal, extracts the coded signal and transmits the coded signal to the processor 200. The processor 200 executes a control program comprising a generation module for generating metadata comprising time stamp and location information when reading and/or writing the radio frequency card RFID. The control program further includes at least a block registration module for writing the codes and metadata of the radio frequency card RFID into blocks of the block chain and then shared in the P2P network through the communication unit 210. The management department connected to the P2P network through the application program manages and tracks the fire fighting equipment attached with the RFID of the wireless radio frequency card.
The first embodiment also provides a method for managing fire fighting equipment by using the system, which comprises the following steps: s01, grouping N fire fighting devices, wherein N is more than or equal to 2; and S02, respectively pairing the N card readers and the N radio frequency card RFIDs of the card reader-writer device, respectively performing writing and coding operation on the N radio frequency card RFIDs by the N card readers, respectively attaching the N radio frequency card RFIDs to the N fire fighting devices, and storing the fire fighting devices in a warehouse. In emergency, when fire fighting equipment needs to be used, a plurality of firemen can group and cancel the fire fighting equipment, when the fire fighting equipment approaches to the read-write card device, the power circuit of the radio frequency card RFID generates direct current power + Ec, the dc power is provided to the controller 107, the amplifier 108, the modem 109 and the memory 110 of the radio frequency card RFID, the controller 107 modulates the code stored in the memory 110 onto a carrier wave through the modulator of the modem 109 and then puts the modulated code into the antenna loop through the power amplifier in the amplifier 108 and couples the modulated code to the antenna loop through the switch K, then the data is sent to the card reader-writer device through the antenna 111, the card reader-writer device successfully matched with the antenna radio frequency card RFID in the card reader-writer device takes out the coded information and provides the coded information to the processor 200, the processor 200 generates the metadata through a generating module, the metadata comprises time interception and position information when the radio frequency card RFID is read and/or written; the blockchain is shared over the P2P network by the registration module writing the encoding and metadata into the blocks of the blockchain.
Fig. 3 is a circuit diagram of a radio frequency card RFID according to a second embodiment of the present invention, as shown in fig. 3, the radio frequency card RFID according to the second embodiment is different from the radio frequency card RFID according to the first embodiment, and further includes a second signal generator, which includes a second direct digital frequency synthesizer 112, N-1 second adders and a second clock source 113, which are sequentially cascaded, the second adders such as 114 and 115, the second direct digital frequency synthesizer 112 generates a third frequency signal according to a control word provided by the controller 107 and provides the third frequency signal to first inputs of the N-1 second adders respectively, the second clock source 113 generates a fourth frequency signal, an output end of the fourth frequency signal is connected to a second input end of the first second adder, a signal output end of the first second adder is used for providing a carrier signal to the modem 109 and is connected to a second input end of the next second adder, each second adder adds the signals provided by the first input terminal and the second input terminal and provides them to the output terminal, and the clock source and the N carrier signals provided by the output terminals of the N-1 adders are connected to the modem 109 through the second switch K2. In the second embodiment, the first switch K1 for connecting the N antenna loops is linked with the second switch K1, that is, the antenna loops connected with them and the carrier provided by the second signal generator operate in the same frequency band.
A second embodiment also provides a method of managing fire apparatus using the system described above, the method comprising: s01, grouping N fire fighting devices, wherein N is more than or equal to 2; s02, enabling the card reading and writing device to respectively perform writing and coding operation on the N radio frequency card RFID, then respectively attaching the N radio frequency card RFID to the N fire fighting devices, storing the fire fighting devices in a storehouse, and S03, broadcasting the working states of the N card reading and writing devices at regular time by the card reading and writing device. When the fire fighting equipment needs to be used in an emergency, a plurality of firemen can cancel the fire fighting equipment in groups, when the fire fighting equipment approaches the read/write card device, the power supply circuit of the wireless radio frequency card RFID generates direct current power + Ec, the direct current power is supplied to the controller 107, the amplifier 108, the modem 109, the memory 110 and the second signal generator of the wireless radio frequency card RFID, the small signal amplifier in the amplifier 109 amplifies the signal received by the antenna loop, the demodulator in the modem 109 extracts the modulated signal in the signal amplified by the small signal amplifier, the working state information of the read/write card device is extracted, the second signal generator is controlled according to the working state information, the encoded information stored in the memory 110 is modulated on the carrier wave of the idle read/write card device, then the modulated signal is put into the antenna loop through the power amplifier in the amplifier 108 and then is transmitted to the read/write card device through the antenna 111 after being coupled to the antenna loop through the switch K1, the card reader in the card reader-writer device takes out the coded information and provides the coded information to the processor 200, the processor 200 generates metadata through a generating module, and the metadata comprises time interception and position information when reading and/or writing the radio frequency card RFID; the blockchain is shared in the P2P network by the registration module writing the encoding and metadata into the blocks of the blockchain.
Since the radio frequency card RFID with the above structure is provided in the second embodiment, when one card reader/writer of the card reader/writer is in operation, that is, when information of one radio frequency card RFID is being read, other radio frequency card RFIDs can switch the operating frequency band to search for an idle card reader/writer, and when an idle card reader/writer is found, the other radio frequency card RFIDs are matched with the idle card reader/writer in operating frequency, so that the successfully matched card reader/writer reads the codes of the other radio frequency card RFIDs. Thus greatly improving the working efficiency.
The foregoing description of the embodiments has been presented for purposes of illustration and description. Obviously, many modifications and variations will be apparent to practitioners skilled in the art. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications. Thereby enabling others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use contemplated. The scope of the invention is defined by the appended claims.
Claims (9)
1. A fire fighting equipment management system based on the Internet comprises a read-write card device and a radio frequency card RFID arranged on fire fighting equipment, wherein the read-write card device comprises a processor, N read-write card devices and a first signal generator, and the signal generator generates N carrier signals according to control words provided by the processor and respectively provides the N carrier signals for the N read-write card devices; every N fire fighting equipment are divided into a group, and the fire fighting equipment is characterized in that the N card readers-writers simultaneously provide electric energy for each radio frequency card RFID, and the radio frequency card RFID can write codes or read codes through any one of the N card readers-writers.
2. The Internet-based fire apparatus management system of claim 1, the signal generator comprises a direct digital frequency synthesizer, N-1 first adders and a first clock source which are sequentially cascaded, wherein, the first direct digital frequency synthesizer generates a first frequency signal according to the control word provided by the processor and provides the first frequency signal to the first input ends of the N-1 adders respectively, the clock source is used for generating a second frequency signal, wherein the output end is connected with the second signal input end of the first adder, the signal output end of the first adder is used for providing a carrier signal for at least one card reader, and the second input end of the next first adder is connected, and each first adder adds the signals provided by the first input end and the second input end and then provides the signals to the output end.
3. The internet-based fire apparatus management system of claim 2, wherein the radio frequency card RFID comprises: the RFID signal receiving device comprises a receiving antenna, N antenna loops, N filters and N rectifiers, wherein the N antenna loops are respectively in series resonance with N frequencies generated by a first signal generator, the N filters respectively filter high-frequency signals generated by the N antenna loops, the N rectifiers respectively rectify signals provided by the N filters, and direct-current voltages output by the N rectifiers are connected in series, so that electric energy required by the RFID of the wireless radio frequency card is generated.
4. The internet-based fire apparatus management system according to claim 3, wherein the radio frequency card RFID further comprises a controller, a power amplifier, a modem, a memory, and a first switch, wherein when a code is written into the radio frequency card RFID, the controller connects the first switch to one of the N antenna loops, and a small signal amplifier in the amplifier amplifies a signal received by the antenna loop; the demodulator in the modem demodulates the signal provided by the amplifier to take out the code, and the controller stores the code in the memory; when reading the radio frequency card RFID writing code, the controller makes the code stored in the memory modulated onto the carrier wave generated by the first signal generator via the modem, amplified by the power amplifier in the amplifier and coupled to the antenna via the antenna loop.
5. The Internet-based fire fighting equipment management system according to claim 4, wherein the RFID card further comprises a second signal generator including a second direct digital frequency synthesizer, N-1 second adders and a second clock source, wherein the second direct digital frequency synthesizer generates a third frequency signal according to the control word provided by the controller and provides the third frequency signal to the first inputs of the N-1 second adders, respectively, the second clock source generates a fourth frequency signal, the output end of the fourth frequency signal is connected to the second signal input end of the first second adder, the signal output end of the first second adder is used for modulation and demodulation to provide a carrier signal and is simultaneously connected to the second input end of the next second adder, and each second adder adds the signals provided by the first input end and the second input end, and then supplied to the output terminal.
6. An internet-based fire apparatus management system as claimed in claim 5, wherein the frequency of the third frequency signal is the same as the frequency of the first frequency signal; the frequency of the fourth frequency signal is the same as the frequency of the second frequency signal.
7. An internet-based fire apparatus management system as claimed in claim 6, wherein the processor executes at least a control program, the control program including a generation module for generating metadata including time stamp and location information when reading and/or writing the radio frequency card RFID.
8. The internet-based fire apparatus management system of claim 7, wherein the control program further comprises a block registration module for writing the encoding and metadata of the radio frequency card RFID into the blocks of the block chain through the communication unit.
9. A method of managing fire fighting equipment using the system of any one of claims 1-8.
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