CN112395171A - Block chain enterprise data management system - Google Patents
Block chain enterprise data management system Download PDFInfo
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- CN112395171A CN112395171A CN202011468203.5A CN202011468203A CN112395171A CN 112395171 A CN112395171 A CN 112395171A CN 202011468203 A CN202011468203 A CN 202011468203A CN 112395171 A CN112395171 A CN 112395171A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3037—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a memory, e.g. virtual memory, cache
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3055—Monitoring arrangements for monitoring the status of the computing system or of the computing system component, e.g. monitoring if the computing system is on, off, available, not available
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Abstract
The invention discloses a block chain enterprise data management system, which comprises a management system terminal, a storage device, a sampling module, a reference input module and a comparison switch module, wherein a signal sampler with the model number of NewStar210A is selected to sample block chain encrypted analog signals of enterprise data input into the storage device, meanwhile, standard reference signals of the block chain encrypted analog signals are input into the reference input module, the comparison switch module utilizes a comparison signal value of an operational amplifier AR5 and a comparison signal value of an operational amplifier AR7 to be detected by a triode Q3 switch to serve as a result for judging the data information state of the storage device, a power supply +3.3V is utilized to divide voltage through a resistor R21 to raise the collector value of a triode Q3 to be 0.5V, namely, when the potential difference of signals output by the operational amplifier AR5 and the operational amplifier AR7 is actually greater than 0.2V, the block chain encrypted analog signals are considered to be abnormal, a high-level signal is sent to the early warning input port of the, and the management system terminal backs up corresponding data information in time or directly replaces the storage equipment.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a block chain enterprise data management system.
Background
The block chain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism and an encryption algorithm, the consensus mechanism is a mathematical algorithm for establishing trust and obtaining rights and interests among different nodes in the block chain system, the current enterprise data management system relates to core secrets developed by enterprises, in particular to a scientific and technological core technology, so that the enterprise data management system is combined with the block chain technology to carry out encryption transmission on enterprise data signals, the security of the enterprise data management system can be greatly improved, however, due to the addition of the block chain, the enterprise data is introduced into the forms of distributed data storage and point-to-point transmission, although information is not leaked, the distributed data storage uses disk space on each machine in the enterprise through a network, and the distributed storage resources form a virtual storage device, the data is stored in various corners of the enterprise in a scattered manner.
Therefore, when data is dispersedly stored in each corner of an enterprise, that is, the risk of data loss is increased, and although the data is not leaked, the loss of original storage data also causes a significant loss of the enterprise, especially, the failure of signal transmission of a virtual storage device, if only one storage device block chain encryption analog signal failure exists, the data information of the storage device is lost, once the data information cannot be found back in time, the original data information sent to the storage device cannot be recovered, the data information of the storage device is lost forever, and the loss which is difficult to imagine is brought to the enterprise.
Disclosure of Invention
In view of the above situation, the present invention provides a block chain enterprise data management system, which can compare a block chain encryption analog signal with a standard reference signal thereof, so as to detect a data information state of a storage device and send the data information state to a management system terminal early warning module, and respond to a signal transmission fault of a virtual storage device in time.
The technical scheme includes that the block chain enterprise data management system comprises a management system terminal, a storage device, a sampling module, a reference input module and a comparison switch module, wherein a signal sampler with the model number of NewStar210A is selected to sample block chain encrypted analog signals of enterprise data input into the storage device, meanwhile, standard reference signals of the block chain encrypted analog signals are input into the reference input module, the reference input module and the sampling module are synchronously input into the comparison switch module, the comparison switch module compares detection signals and then gives an early warning input port to the management system terminal, and the management system terminal detects the data information state of the storage device according to the input signals of the comparison switch module;
the comparison switch module comprises an operational amplifier AR5, wherein a non-inverting input end of the operational amplifier AR5 is connected with one end of a resistor R10, one end of a resistor R11 and an output port of the sampling module, an inverting input end of the operational amplifier AR5 is connected with one end of a resistor R19 and an output port of the reference input module, the other end of a resistor R10 is connected with a non-inverting input end of an operational amplifier AR6 and an anode of a diode D1, an inverting input end of an operational amplifier AR6 is connected with one end of a resistor R13, the other end of a resistor R13 is connected with the ground, an output end of the operational amplifier AR6 is connected with a cathode of a diode D1 and an anode of a diode D2, a cathode of a diode D2 is connected with the non-inverting input end of the operational amplifier AR2, a collector of a transistor Q2 is connected with the other end of the resistor R2, an emitter of the transistor Q2 is connected with one end of the diode Q2 and an AR base of the transistor Q2, the other end of the inverting input end of the operational, the other end of the resistor R20 is grounded, the output end of the operational amplifier AR4 is connected with the cathode of the diode D3 and the anode of the diode D4, the cathode of the diode D4 is connected with the inverting input end of the operational amplifier AR7, the output end of the operational amplifier AR7 is connected with the collector of the triode Q3 and one end of the resistor R21, the other end of the resistor R21 is connected with the power supply +3.3V, the emitter of the triode Q3 is connected with one end of the resistor R22 and one end of the resistor R23, the other end of the resistor R22 is grounded, and the other end of the resistor R23 is connected with the early.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. an RC pi-type filter circuit consisting of a resistor R4, a capacitor C1 and a capacitor C2 is used for filtering signal clutter, the signal distortion caused by the clutter in a signal when a rear-stage oscillation circuit oscillates is avoided, then an LC series oscillation circuit consisting of an inductor L1, a capacitor C5 and a capacitor C6 is used for amplifying the frequency of the signal, a small capacitor C4 is used for filtering a direct-current component in the signal, meanwhile, the capacitor C3 is used for further filtering, the reliability of the LC series oscillation circuit is improved, the frequency of the signal is amplified through oscillation, the frequency attenuation loss of a block chain encryption analog signal is compensated, the misjudgment of a comparison switch module caused by frequency attenuation is prevented, and the accuracy of the comparison switch module for comparing the signal can be improved;
2. the comparison signal value of the operational amplifier AR5 and the comparison signal value of the operational amplifier AR7 are detected by a switch of a triode Q3, and as a result of judging the data information state of the storage device, because the signal is not high in potential, the potential difference of the output signals of the operational amplifier AR5 and the operational amplifier AR7 is at most 0.3V, therefore, the +3.3V power supply is required to be used to drive the collector potential value of the transistor Q3 to be 0.5V through voltage division of the resistor R21, that is, when the potential difference of the output signals of the operational amplifier AR5 and the operational amplifier AR7 is actually greater than 0.2V, the triode Q3 is conducted, the block chain encryption analog signal is considered to be abnormal, the triode Q3 is conducted at the moment, a high-level signal is sent to the early warning input port of the management system terminal, the management system terminal timely backs up corresponding data information or directly replaces the storage device, and the effects of timely detecting and responding to the signal transmission fault of the virtual storage device are achieved.
Drawings
FIG. 1 is a circuit diagram of a comparison switch module of a blockchain enterprise data management system according to the present invention.
Fig. 2 is a circuit diagram of a sampling module of a block chain enterprise data management system according to the present invention.
FIG. 3 is a circuit diagram of a reference input module of a blockchain enterprise data management system according to the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
The first embodiment is that a block chain enterprise data management system comprises a management system terminal, a storage device, a sampling module, a reference input module and a comparison switch module, wherein a signal sampler with the model number of NewStar210A is selected to sample block chain encrypted analog signals of enterprise data input into the storage device, meanwhile, standard reference signals of the block chain encrypted analog signals are input into the reference input module, the reference input module and the sampling module are synchronously input into the comparison switch module, the comparison switch module compares detection signals and then gives an early warning input port to the management system terminal, and the management system terminal detects the data information state of the storage device according to the input signals of the comparison switch module;
in order to accurately detect the data information state of the storage device, a signal sampler with the model number of NewStar210A is selected to sample block chain encrypted analog signals of enterprise data input into the storage device, an operational amplifier AR1 is powered to ensure the signal strength, an RC pi-type filter circuit consisting of a resistor R4, a capacitor C1 and a capacitor C2 is used to filter out signal clutter, signal distortion caused by the clutter in the signals when a rear-stage oscillation circuit oscillates is avoided, an LC series oscillation circuit consisting of an inductor L1, a capacitor C5 and a capacitor C6 is used to amplify the signal frequency, the filter circuit outputs a certain frequency signal to generate resonance with the inductor L1 and the capacitor C6, oscillation occurs, the frequency is amplified, energy is consumed due to the resonance, the charge-discharge principle of a large capacitor C5 is utilized, when the capacitor C5 is charged, the triode Q1 is conducted, and the power supply +5V is used as loop supplement energy, that is, the capacitor C6 is charged all the time to supplement energy, at this time, the inductor L1 and the capacitor C6 do not resonate, when the capacitor C5 discharges, the transistor Q1 is gradually not conducted, at this time, the inductor L1 and the capacitor C6 resonate, oscillation occurs, until the capacitor C6 finishes discharging, the transistor Q1 is not conducted again, and the cycle is repeated, so that oscillation occurs continuously, because the direct current component in the signal can destroy the oscillation, the small capacitor C4 is selected to filter the direct current component in the signal, and the capacitor C3 is selected to further filter, so that the reliability of the LC series oscillation circuit is improved, and the frequency of the signal is amplified through oscillation, so that the frequency attenuation loss of the block chain encryption analog signal is compensated, the misjudgment of the comparison switch module caused by the frequency attenuation is prevented, that the comparison switch module compares the signal accuracy can be improved;
when block chain encrypted analog signals of enterprise data in a storage device are sampled, a reference input module is required to extract standard reference signals of the block chain encrypted analog signals, an operational amplifier AR2 is applied to the signals to amplify, and then an operational amplifier AR3 is applied to follow the signals, so that the reference input module and the sampling module are synchronously input into a comparison switch module;
the comparison switch module receives the signals, the comparison signal value of the operational amplifier AR5 and the comparison signal value of the operational amplifier AR7 are detected through a switch of a triode Q3 to serve as a result of judging the data information state of the storage device, namely, the operational amplifier AR5 is firstly used for directly comparing the reference input module and the sampling module input signal thereof, then the triode Q3 base electrode is used as the emitter input value of the triode Q2, namely the triode Q2 plays a role of amplifying signal current, meanwhile, the sampling module output signal is screened out through a peak value circuit composed of the operational amplifier AR6, a diode D1 and a diode D2 and is input into an in-phase input end of the operational amplifier AR7, the reference input module output signal is input into an anti-phase input end of the operational amplifier AR7 through a peak value screening circuit composed of the operational amplifier AR4, the diode D3 and a diode D4, the peak value circuit output signal is a positive signal, the operational amplifier 7 compares the two, the output signal of the operational amplifier AR7 is used as the collector potential of the triode Q3, so that the switching property of the triode Q3 detects whether the output signal values of the operational amplifier AR7 and the operational amplifier AR5 can trigger the conduction of the triode Q3, namely, the output signal potential is more than 0.7V, because the signal potential is not high, the output signal potential difference of the operational amplifier AR5 and the operational amplifier AR7 is at most 0.3V, therefore, a power supply +3.3V needs to be applied to raise the collector potential value of the triode Q3 by voltage division through a resistor R21 to be 0.5V, namely, when the output signal potential difference of the operational amplifier AR5 and the output signal potential difference of the operational amplifier AR7 is more than 0.2V, the triode Q3 is conducted, the block chain encryption analog signal is considered to be abnormal, at the moment, the triode Q3 is conducted, a high level signal is sent to the early warning input port of the management system terminal, the management system terminal backs up corresponding AR data information in time or directly replaces a storage device, namely, the sampled block chain encrypted analog signal and the reference signal thereof are within the error range, the block chain encrypted analog signal is normal, the triode Q3 is not conducted, and the sampled block chain encrypted analog signal is regarded as a low level signal and sent to the early warning input port of the management system terminal, so that the functions of timely detecting and responding to the signal transmission fault of the virtual storage device are achieved.
The comparison switch module has the specific structure that a non-inverting input end of an operational amplifier AR5 is connected with one end of a resistor R10, one end of a resistor R11 and an output port of a sampling module, an inverting input end of an operational amplifier AR5 is connected with one end of a resistor R19 and an output port of a reference input module, the other end of a resistor R10 is connected with a non-inverting input end of an operational amplifier AR6 and an anode of a diode D1, an inverting input end of an operational amplifier AR6 is connected with one end of a resistor R13, the other end of a resistor R13 is grounded, an output end of an operational amplifier AR6 is connected with a cathode of a diode D1 and an anode of a diode D2, a cathode of a diode D2 is connected with a non-inverting input end of an operational amplifier AR7, a collector of a transistor Q2 is connected with the other end of a resistor R11, an emitter of a transistor Q2 and a base of the transistor Q2, the other end of the resistor R2 is grounded, the other end of the resistor R2 is, the other end of the resistor R20 is grounded, the output end of the operational amplifier AR4 is connected with the cathode of the diode D3 and the anode of the diode D4, the cathode of the diode D4 is connected with the inverting input end of the operational amplifier AR7, the output end of the operational amplifier AR7 is connected with the collector of the triode Q3 and one end of the resistor R21, the other end of the resistor R21 is connected with the power supply +3.3V, the emitter of the triode Q3 is connected with one end of the resistor R22 and one end of the resistor R23, the other end of the resistor R22 is grounded, and the other end of the resistor R23 is connected with the early;
the sampling module has a specific structure that a non-inverting input end of an operational amplifier AR1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with an output port of the signal sampler, an inverting input end of the operational amplifier AR1 is connected with one end of the resistor R1 and one end of the resistor R1, the other end of the resistor R1 is grounded, an output end of the operational amplifier AR1 is connected with the other end of the resistor R1 and one end of the resistor R1, the other end of the capacitor C1 is grounded, the other end of the resistor R1 is connected with one end of the capacitor C1, the other end of the resistor R1 is grounded, one end of the resistor R1 and the other end of the capacitor C1 are grounded, one end of a collector of the transistor Q1 is connected with one end of the resistor R1, the other end of the resistor R1 and the other end of the capacitor C1 are grounded, a collector of the transistor Q1 is connected with one end of the power supply, the other end of the resistor R1 and the emitter of the capacitor C1 and the emitter 1 are connected with the emitter 1 of the transistor, the other end of the capacitor C6 is connected with one end of an inductor L1 and one end of a resistor R9, the other end of the inductor L1 is grounded, and the other end of the resistor R9 is connected with the non-inverting input end of the amplifier AR 5; the specific structure of the reference input module includes that a non-inverting input end of an operational amplifier AR2 is connected with one end of a resistor R14, the other end of a resistor R14 is connected with a standard reference signal input port of a block chain encrypted analog signal, an inverting input end of an operational amplifier AR2 is connected with one ends of a resistor R15 and a resistor R16, the other end of a resistor R15 is grounded, the other end of a resistor R16 is connected with an output end of the operational amplifier AR2 and one end of a resistor R17, the other end of a resistor R17 is connected with a non-inverting input end of an operational amplifier AR3, an inverting input end of an operational amplifier AR3 is connected with an output end of an operational amplifier AR3 and one end of a resistor R18, and the other end of.
When the invention is used specifically, a signal sampler with the model number of NewStar210A is selected to sample block chain encrypted analog signals of enterprise data input in a storage device, an operational amplifier AR1 is powered to ensure the signal strength, an RC pi-type filter circuit consisting of a resistor R4, a capacitor C1 and a capacitor C2 is used to filter out signal noise waves to avoid signal distortion caused by the noise waves in the signals when a rear-stage oscillation circuit oscillates, an LC series oscillation circuit consisting of an inductor L1, a capacitor C5 and a capacitor C6 is used to amplify the signal frequency, the filter circuit outputs a certain frequency signal to generate resonance with the inductor L1 and the capacitor C6 so as to oscillate and amplify the frequency, and the resonance needs energy consumption, so that by using the charge-discharge principle of a large capacitor C5, when the capacitor C5 is charged, the triode Q1 is conducted, the power supply +5V is used as the energy for supplementing of the capacitor C6, at the moment, the inductor L1 and the capacitor C6 have no resonance, when the capacitor C5 discharges, the triode Q1 is gradually not conducted, the inductor L1 and the capacitor C6 generate resonance and oscillate until the capacitor C6 finishes discharging, the triode Q1 is not conducted again, and the process is circulated, so that oscillation is continuously generated, and because the direct current component in the signal can destroy the oscillation, the small capacitor C4 is selected to filter the direct current component in the signal, and the capacitor C3 is selected to further filter the signal, the reliability of the LC series oscillation circuit is improved, the frequency of the signal is amplified through oscillation, so that the frequency attenuation loss of the block chain encryption analog signal is compensated, the misjudgment of the comparison switch module caused by frequency attenuation is prevented, and the accuracy of the comparison switch module for comparing the signal can be improved;
the reference input module extracts a standard reference signal of the block chain encrypted analog signal, simultaneously, an operational amplifier AR2 is used for amplifying the signal, and then an operational amplifier AR3 is used for following the signal, so that the reference input module and the sampling module are synchronously input into the comparison switch module; the comparison switch module receives the signals, the comparison signal value of the operational amplifier AR5 and the comparison signal value of the operational amplifier AR7 are detected through a switch of a triode Q3 to serve as a result of judging the data information state of the storage device, namely, the operational amplifier AR5 is firstly used for directly comparing the reference input module and the sampling module input signal thereof, then the triode Q3 base electrode is used as the emitter input value of the triode Q2, namely the triode Q2 plays a role of amplifying signal current, meanwhile, the sampling module output signal is screened out through a peak value circuit composed of the operational amplifier AR6, a diode D1 and a diode D2 and is input into an in-phase input end of the operational amplifier AR7, the reference input module output signal is input into an anti-phase input end of the operational amplifier AR7 through a peak value screening circuit composed of the operational amplifier AR4, the diode D3 and a diode D4, the peak value circuit output signal is a positive signal, the operational amplifier 7 compares the two, the output signal of the operational amplifier AR7 is used as the collector potential of the triode Q3, so that the switching property of the triode Q3 detects whether the output signal values of the operational amplifier AR7 and the operational amplifier AR5 can trigger the conduction of the triode Q3, namely, the output signal potential is more than 0.7V, because the signal potential is not high, the output signal potential difference of the operational amplifier AR5 and the operational amplifier AR7 is at most 0.3V, therefore, a power supply +3.3V needs to be applied to raise the collector potential value of the triode Q3 by voltage division through a resistor R21 to be 0.5V, namely, when the output signal potential difference of the operational amplifier AR5 and the output signal potential difference of the operational amplifier AR7 is more than 0.2V, the triode Q3 is conducted, the block chain encryption analog signal is considered to be abnormal, at the moment, the triode Q3 is conducted, a high level signal is sent to the early warning input port of the management system terminal, the management system terminal backs up corresponding AR data information in time or directly replaces a storage device, namely, the sampled block chain encrypted analog signal and the reference signal thereof are within the error range, the block chain encrypted analog signal is normal, the triode Q3 is not conducted, and the sampled block chain encrypted analog signal is regarded as a low level signal and sent to the early warning input port of the management system terminal, so that the functions of timely detecting and responding to the signal transmission fault of the virtual storage device are achieved.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (3)
1. A block chain enterprise data management system comprises a management system terminal, a storage device, a sampling module, a reference input module and a comparison switch module, and is characterized in that a signal sampler with the model number of NewStar210A is selected to sample block chain encrypted analog signals of enterprise data input into the storage device, meanwhile, standard reference signals of the block chain encrypted analog signals are input into the reference input module, the reference input module and the sampling module are synchronously input into the comparison switch module, the comparison switch module compares detection signals and then gives an early warning input port to the management system terminal, and the management system terminal detects the data information state of the storage device according to the input signals of the comparison switch module;
the comparison switch module comprises an operational amplifier AR5, wherein a non-inverting input end of the operational amplifier AR5 is connected with one end of a resistor R10, one end of a resistor R11 and an output port of the sampling module, an inverting input end of the operational amplifier AR5 is connected with one end of a resistor R19 and an output port of the reference input module, the other end of a resistor R10 is connected with a non-inverting input end of an operational amplifier AR6 and an anode of a diode D1, an inverting input end of an operational amplifier AR6 is connected with one end of a resistor R13, the other end of a resistor R13 is connected with the ground, an output end of the operational amplifier AR6 is connected with a cathode of a diode D1 and an anode of a diode D2, a cathode of a diode D2 is connected with the non-inverting input end of the operational amplifier AR2, a collector of a transistor Q2 is connected with the other end of the resistor R2, an emitter of the transistor Q2 is connected with one end of the diode Q2 and an AR base of the transistor Q2, the other end of the inverting input end of the operational, the other end of the resistor R20 is grounded, the output end of the operational amplifier AR4 is connected with the cathode of the diode D3 and the anode of the diode D4, the cathode of the diode D4 is connected with the inverting input end of the operational amplifier AR7, the output end of the operational amplifier AR7 is connected with the collector of the triode Q3 and one end of the resistor R21, the other end of the resistor R21 is connected with the power supply +3.3V, the emitter of the triode Q3 is connected with one end of the resistor R22 and one end of the resistor R23, the other end of the resistor R22 is grounded, and the other end of the resistor R23 is connected with the early.
2. The system according to claim 1, wherein the sampling module includes an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to one end of a resistor R1, the other terminal of the resistor R1 is connected to the output port of the signal sampler, an inverting input terminal of the operational amplifier AR1 is connected to one end of a resistor R2 and a resistor R3, the other end of the resistor R2 is grounded, an output terminal of the operational amplifier AR1 is connected to the other end of the resistor R3 and one end of a capacitor C3, the other end of the capacitor C3 is grounded, the other end of the resistor R3 is connected to the ground, the other end of the resistor R3 is connected to one end of a capacitor C3, a resistor R3, one end of a capacitor C3 and a base of a transistor Q3, the other end of the capacitor C3 is connected to the ground, and a collector of the transistor Q3 is connected to the transistor R3, the other end of the resistor R8 is connected with a power supply +5V, the emitter of the triode Q1 is connected with the other end of the capacitor C5 and one end of the capacitor C6, the other end of the capacitor C6 is connected with one end of the inductor L1 and one end of the resistor R9, the other end of the inductor L1 is grounded, and the other end of the resistor R9 is connected with the non-inverting input end of the amplifier AR 5.
3. The block chain enterprise data management system according to claim 1, wherein the reference input module comprises an operational amplifier AR2, a non-inverting input terminal of the operational amplifier AR2 is connected to one end of a resistor R14, the other end of the resistor R14 is connected to a standard reference signal input port of the block chain encrypted analog signal, an inverting input terminal of the operational amplifier AR2 is connected to one ends of a resistor R15 and a resistor R16, the other end of the resistor R15 is connected to ground, the other end of the resistor R16 is connected to an output terminal of the operational amplifier AR2 and one end of a resistor R17, the other end of the resistor R17 is connected to a non-inverting input terminal of the operational amplifier AR3, the inverting input terminal of the operational amplifier AR3 is connected to an output terminal of the operational amplifier AR3 and one end of the resistor R18, and the other end of the resistor R18.
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| CN202011468203.5A CN112395171A (en) | 2020-12-14 | 2020-12-14 | Block chain enterprise data management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112954724A (en) * | 2021-04-29 | 2021-06-11 | 沸蓝建设咨询有限公司 | 5G basic station construction engineering monitoring system |
| CN113027531A (en) * | 2021-03-30 | 2021-06-25 | 河北交通职业技术学院 | Cold region tunnel freeze injury regulation and control system based on Internet of things |
-
2020
- 2020-12-14 CN CN202011468203.5A patent/CN112395171A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027531A (en) * | 2021-03-30 | 2021-06-25 | 河北交通职业技术学院 | Cold region tunnel freeze injury regulation and control system based on Internet of things |
| CN113027531B (en) * | 2021-03-30 | 2022-02-01 | 河北交通职业技术学院 | Cold region tunnel freeze injury regulation and control system based on Internet of things |
| CN112954724A (en) * | 2021-04-29 | 2021-06-11 | 沸蓝建设咨询有限公司 | 5G basic station construction engineering monitoring system |
| CN112954724B (en) * | 2021-04-29 | 2022-08-02 | 沸蓝建设咨询有限公司 | 5G basic station construction engineering monitoring system |
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