CN111599122A - Alarm detection circuit for Internet of things control intensive cabinet and control method thereof - Google Patents

Alarm detection circuit for Internet of things control intensive cabinet and control method thereof Download PDF

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Publication number
CN111599122A
CN111599122A CN202010392989.0A CN202010392989A CN111599122A CN 111599122 A CN111599122 A CN 111599122A CN 202010392989 A CN202010392989 A CN 202010392989A CN 111599122 A CN111599122 A CN 111599122A
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China
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pin
resistor
capacitor
diode
triode
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辜剑
张伟
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Nanjing Qi Bao Mdt Infotech Ltd
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Nanjing Qi Bao Mdt Infotech Ltd
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Priority to CN202010392989.0A priority Critical patent/CN111599122A/en
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/181—Prevention or correction of operating errors due to failing power supply
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses an alarm detection circuit of an internet of things control intensive cabinet and a control method thereof, wherein the alarm detection circuit comprises the following steps: the power supply protection module is internally provided with a direction diode for protecting the safety of power supply voltage by a transistor M1 and a transistor M2; the variable resistor RV1 in the command control module of the Internet of things adjusts the transmission size of the stored electric energy provided for the capacitor C7, so that the voltage of a transmission control circuit is constant; a resistor R12 and a capacitor C19 in the gravity sensing module are connected in parallel to form a filter circuit, so that the response of an operational amplifier U4 is improved; the one-way silicon controlled rectifier U10 in the infrared induction module enables the alarm device to respond quickly by acquiring a detection signal instruction; the intensive cabinet comprises a cabinet body, a gravity sensing plate arranged in the cabinet body, an infrared sensor arranged above the gravity sensing plate, and a PCB arranged below the cabinet body, and further the file of the intensive cabinet is protected.

Description

Alarm detection circuit for Internet of things control intensive cabinet and control method thereof
Technical Field
The invention relates to the technical field of detection and alarm, in particular to an alarm detection circuit of an Internet of things control intensive cabinet and a control method thereof.
Background
The detection alarm is to detect the moving object in the detection range, and alarm prompt is given out when the moving object exceeds the internally set parameter value, so as to remind and alert operators of the occurrence of abnormal conditions in the range, and then the detection alarm is processed in time; the application of the dense cabinet is not only limited to the storage of the archival data, but also is more applicable to places such as courts, inspection centers, public security organs, large-scale shopping malls, schools, enterprise units and the like for storing the archival data, and the security of material storage is ensured when confidential management is performed on important data, so that higher requirements are provided for alarm control of the dense cabinet.
The existing dense cabinet adopts a multilayer file material storage mode, and the position of a taken material cannot be identified correctly when the material is taken, so that important materials are lost; when the required material is searched, the position of the required material cannot be accurately searched, so that the waste of time is caused; in some intelligent dense cabinets, an alternating current power supply mode is adopted, and the mode can generate detection of interference control signals when the dense cabinets are subjected to intelligent networking control, so that the precision of detection equipment is reduced; when important materials in the dense cabinet are stolen, the important materials cannot respond quickly and timely, so that the materials are lost.
Disclosure of Invention
The purpose of the invention is as follows: the alarm detection circuit of the Internet of things control intensive cabinet is provided to solve the problems.
The technical scheme is as follows: the utility model provides a intensive cabinet of thing networked control alarm detection circuit, includes:
the power supply protection module is used for providing safe and stable voltage for the power storage device and the Internet of things instruction control module;
the internet of things instruction control module is used for receiving external signals through a triode and transmitting and controlling the conduction of power supply voltages of the gravity sensing module and the infrared sensing module;
the gravity sensing module is used for detecting files on a gravity sensing plate arranged in the dense cabinet;
the infrared sensing module is used for detecting the opening and closing distance of the dense cabinet and controlling the on-off of the alarm circuit by receiving the quantity of feedback light.
According to one aspect of the invention, the transistor M1 and the transistor M2 in the power supply protection module are internally provided with directional diodes, so that the input and output voltages are controlled to protect the safety of the power supply voltage;
a triode Q1 in the Internet of things command control module controls the on-off of an external control signal, and a variable resistor RV1 adjusts the transmission size of stored electric energy provided for a capacitor C7, so that the voltage constancy of different transmission control circuits is met;
a resistor R12 and a capacitor C19 in the gravity sensing module are connected in parallel to form a filter circuit, so that the response of an operational amplifier U4 is improved, and a resistor R9 and a resistor R10 are connected in parallel to reduce an ohmic value and improve the detection accuracy of the gravity sensor XD 1;
the one-way silicon controlled rectifier U10 in the infrared induction module controls the conduction of voltage by acquiring a detection signal instruction, so that the alarm device can respond quickly;
the intensive cabinet comprises a cabinet body, a gravity sensing plate arranged in the cabinet body, an infrared sensor arranged above the gravity sensing plate, and a PCB arranged below the cabinet body, and further the file of the intensive cabinet is protected.
According to one aspect of the invention, the power supply protection module comprises a resistor R1, a capacitor C1, a resistor R2, a diode D1, a lamp LED1, a power manager U1, a transistor M1, a transistor M2, a capacitor C2 and a lithium battery B1, wherein one end of the resistor R1 is respectively connected with one end of the capacitor C1 and the positive end of direct current DC; the other end of the resistor R1 is respectively connected with one end of a resistor R2 and the DC negative end; the other end of the capacitor C1 is respectively connected with the negative electrode end of a diode D1, the positive electrode end of a lamp LED1, a pin 8 of a power supply manager U1, one end of a capacitor C2 and the positive electrode end of a lithium battery B1; the other end of the resistor R2 is respectively connected with the positive end of a diode D1, the negative end of a lamp LED1 and a pin 3 of a transistor M1; the pin 1 of the transistor M1 is connected with the pin 1 of the power manager U1; the pin 2 of the transistor M1 is connected with a pin 6 of a power manager U1; the pin 4 of the transistor M1 is connected with the pin 3 of the transistor M2; the pin 1 of the transistor M2 is connected with the pin 3 of the power manager U1; and a pin 2 of the transistor M2 is respectively connected with the other end of the capacitor C2, a pin 2 of the power manager U1 and the negative end of the lithium battery B1.
According to one aspect of the invention, the internet of things instruction control module comprises a diode D3, an inductor L2, a capacitor C5, a capacitor C6, a resistor R6, a capacitor C7, a variable resistor RV1, a resistor R8, a triode Q2, a diode D4, a resistor R7, a frequency modulation receiver U6, a resistor R3, a resistor R4, an inductor L1, a diode D2, a resistor R5, a triode Q1, a capacitor C3 and a capacitor C4, wherein the negative end of the diode D3 is respectively connected with a pin 3 of the frequency modulation receiver U6, one end of the capacitor C5, a pin 2 of a transistor M2, the other end of the capacitor C2, a pin 2 of a power manager U1 and the negative end of a lithium battery B1; the positive end of the diode D3 is connected with one end of an inductor L2; the other end of the inductor L2 is respectively connected with a pin 11 of a frequency modulation receiver U6, the other end of a capacitor C1, a negative electrode end of a diode D1, a positive electrode end of a lamp LED1, a pin 8 of a power supply manager U1, one end of a capacitor C2 and a positive electrode end of a lithium battery B1; the other end of the capacitor C5 is respectively connected with a pin 7 of a frequency modulation receiver U6 and a ground wire GND; the positive end of the capacitor C6 is connected with a pin 1 of a frequency modulation receiver U6; the negative end of the capacitor C6 is respectively connected with one end of the resistor R6, the output end of the control signal INT and the positive end of the capacitor C7; the other end of the resistor R6 is respectively connected with a pin 1 and a pin 2 of a variable resistor RV1 and an emitter terminal of a triode Q2; the pin 3 of the variable resistor RV1 is respectively connected with the negative electrode end of the capacitor C7, one end of the resistor R8 and the ground wire GND; the other end of the resistor R8 is respectively connected with the cathode end of the diode D4 and the collector end of the triode Q2; the base end of the triode Q2 is respectively connected with one end of a resistor R7 and a pin 9 of a frequency modulation receiver U6; the other end of the resistor R7 is connected with the positive end of a diode D4; the pin 24 of the frequency modulation receiver U6 is connected with one end of a resistor R3; pin 13 of the frequency modulation receiver U6 is connected with one end of a resistor R4; the pin 21 of the frequency modulation receiver U6 is connected with one end of an inductor L1; the pin 19 of the frequency modulation receiver U6 is connected with the positive end of a diode D2; the pin 18 of the FM receiver U6 is connected with one end of a resistor R5; the other end of the resistor R5 is respectively connected with a collector terminal of a triode Q1, a negative terminal of a capacitor C3 and a ground wire GND; the base end of the triode Q1 is connected with the cathode end of the diode D2; the emitter terminal of the triode Q1 is respectively connected with the other end of the inductor L1, the other end of the resistor R3, one end of the capacitor C4 and the signal input end IOT; the other end of the resistor R4 is connected with the positive end of the capacitor C3.
According to one aspect of the invention, the gravity sensing module comprises a one-way thyristor U2, a capacitor C8, a voltage stabilizer U3, a resistor R9, a resistor R10, a gravity sensor XD1, an operational amplifier U4, a resistor R12, a capacitor C9 and a resistor R11, wherein the positive terminal of the one-way thyristor U2 is respectively connected with the other terminal of an inductor L2, a pin 11 of a frequency modulation receiver U6, the other terminal of a capacitor C1, the negative terminal of a diode D1, the positive terminal of a lamp LED1, a pin 8 of a power manager U1, one terminal of a capacitor C2 and the positive terminal of a lithium battery B1; the negative end of the one-way thyristor U1 is respectively connected with pin 1 of a voltage stabilizer U2 and one end of a capacitor C8; the other end of the capacitor C8 is connected with a ground wire GND; the pin 1 of the one-way thyristor U2 is respectively connected with the negative end of a capacitor C6, one end of a resistor R6, the output end of a control signal INT and the positive end of a capacitor C7; pin 2 of the voltage stabilizer U3 is connected with a ground wire GND; the pin 3 of the voltage stabilizer U2 is respectively connected with one end of a resistor R9, one end of a resistor R10, a pin 1 of a gravity sensor XD1 and a pin 4 of an operational amplifier U4; the other end of the resistor R9 is respectively connected with the other end of the resistor R10, one end of the resistor R11, a pin 4 of the gravity sensor XD1 and a ground wire GND; the other end of the resistor R11 is respectively connected with the negative end of the capacitor C9, one end of the resistor R12 and a pin 3 of an operational amplifier U4; the positive end of the capacitor C9 is respectively connected with the other end of the resistor R12 and a pin 6 of the operational amplifier U4; and pin 3 of the gravity sensor U4 is connected with a ground wire GND.
According to one aspect of the invention, the infrared sensing module comprises a capacitor C10, a diode D5, a resistor R14, a diode D6, a capacitor C11, an infrared sensor U5, a variable resistor RV2, a capacitor C12, a diode D7, a triode Q5, a diode D8, a unidirectional silicon controlled rectifier U10, a resistor R10, a triode Q3 and a loudspeaker LS1, wherein the positive terminal of the capacitor C10 is connected with the negative terminal of the unidirectional silicon controlled rectifier U1, the pin 1 of a voltage stabilizer U2 and one end of a capacitor C8; the negative end of the capacitor C10 is connected with the positive end of a diode D5; the negative end of the diode D5 is respectively connected with one end of a resistor R14, the emitter end of a triode Q5 and the positive end of a one-way thyristor U10; the other end of the resistor R14 is respectively connected with the cathode end of the diode D6, one end of the capacitor C11 and the pin 1 of the infrared sensor U5; the other end of the capacitor C11 is respectively connected with the positive end of a diode D6, a pin 6 of an infrared sensor U5 and one end of a capacitor C12; the other end of the capacitor C12 is connected with the negative electrode end of a diode D8; the positive end of the diode D8 is connected with the collector end of the triode Q5; the base end of the triode Q5 is connected with the positive end of a diode D7; the negative end of the diode D7 is connected with a pin 8 of an infrared sensor U5; pin 2 of the infrared sensor RV2 is connected with pin 2 of a variable resistor RV 2; pin 1 and pin 3 of the variable resistor RV2 are both connected with pin 4 of an infrared sensor U5; pin 3 of the infrared sensor U5 is connected with pin 1 of a one-way thyristor U10; the negative end of the one-way thyristor U10 is respectively connected with one end of a resistor R13 and a ground wire GND; the other end of the resistor R13 is respectively connected with the positive end of the capacitor C9, the other end of the resistor R12 and a pin 6 of an operational amplifier U4; the collector terminal of the triode Q3 is connected with +6V of a power supply; the emitter end of the triode Q3 is connected with one end of a loudspeaker LS 1; the other end of the loudspeaker LS1 is connected to ground GND.
According to one aspect of the invention, the gravity sensing plates are fixed at the side wall of the interior of the cabinet body through a buffer cushion, a plurality of groups of gravity sensing plates are arranged on the inner wall of the cabinet body, a PCB (printed Circuit Board) is arranged below the inner wall of the cabinet body, and an alarm lamp is arranged above the cabinet body and fixedly connected with the upper end face of the cabinet body; and a power supply port is formed in the left side of the cabinet body.
According to one aspect of the invention, the power supply protection module, the internet of things instruction control module, the gravity sensing module and the infrared sensing module are all embedded on a PCB board arranged under the cabinet body.
According to one aspect of the invention, the capacitor C3, the capacitor C6, the capacitor C9 and the capacitor C10 are electrolytic capacitors; the diode D2, the diode D4 and the diode D5 are all voltage-stabilizing diodes; the model of the triode Q2 and the model of the triode Q3 are both NPN; the types of the triode Q1 and the triode Q5 are PNP; the power manager U1 is DW01 in model number; the model of the frequency modulation receiver U6 is MC 3361; the gravity sensor XD1 is MPX 2000; the infrared sensor U5 model is HN 911L.
According to one aspect of the invention, the control method of the alarm detection circuit of the Internet of things control intensive cabinet is characterized in that the instruction control module of the Internet of things controls the frequency modulation receiving U6 through an external system control program, so that the detection alarm device operates to protect the safety of files of the intensive cabinet, and the specific steps are as follows:
step 1, when the circuit is in a normal operation state, a triode Q1 receives an external control instruction, a triode Q1 transmits the received control instruction to a frequency modulation receiver U6 through a collector terminal, the frequency modulation receiver U6 stores the received control instruction through a capacitor C6, and then a diode D4 provides control signal transmission conduction voltage for a base terminal of a triode Q2 by utilizing unidirectional conduction specificity, so that control acquired by the base terminal of the triode Q2 can be transmitted out through an emitter terminal, and a control signal is applied to enable a pin 1 of a unidirectional silicon controlled rectifier U2 to obtain a voltage conduction signal, so that a gravity sensing module and an infrared sensing module operate, and further, confidential materials in a dense cabinet are protected, and loss caused by stealing is prevented;
step 2, when the materials need to be taken away, the conduction direction of a triode Q1 in the IOT control module needs to be closed, so that a signal transmitted to a frequency modulation receiver U6 by an external control instruction is cut off, and further the positive and negative terminals of a one-way silicon controlled U2 cannot receive conduction control signals, so that the gravity sensing module and the infrared sensing module stop working, at this time, the dense cabinets can be opened to obtain the required file materials, a plurality of groups of gravity sensing plates are adopted in each dense cabinet to detect the change of stored files constantly, when the dense cabinet is forcibly opened, the triode Q1 in the IOT instruction control module is in a conduction state, further the gravity sensing module and the infrared sensing module run normally, at this time, the infrared sensor U5 detects that the front door of the dense cabinet is opened, and further distance response is generated, so that the pin 1 of the one-way silicon controlled 10U obtains a signal transmission instruction of the infrared sensor, then, the external voltage of the triode Q3 provides quick response, so that the loudspeaker LS1 sends out alarm reminding; and then the file change of the dense cabinet is detected, and the safety of the stored file is ensured.
Has the advantages that: the invention designs an alarm detection circuit of an internet of things control dense cabinet and a control method thereof, when a material is obtained, the correct position of the material to be obtained cannot be identified, the external control instruction information is received by utilizing a triode Q1 in an internet of things instruction control module, a dense cabinet protection circuit needing to obtain the material is closed, the phenomenon of false alarm is prevented, and a plurality of layers of gravity sensing plates are designed in the dense cabinet, so that the condition of mistaken taking or excessive taking of the material is prevented, and further, the judgment is correctly made; when the required material is searched, the correct position of the material cannot be accurately found, and the name of the material stored in the dense cabinet is transmitted to a computer end by arranging the Internet of things control module in the dense cabinet, so that the placement position of the material is quickly found; the intelligent intensive cabinet adopts alternating current power supply in a power supply mode, so that an alternating current interference source can be formed, and further the stability of signal transmission is influenced, the power supply protection module adopts DC power supply, a lithium battery B1 power storage method is adopted, the state that the equipment cannot normally operate when the power is cut off is prevented, an interference section generated by a power supply is filtered by a method of designing capacitor grounding of each module, and a resistor R9 and a resistor R10 are connected in parallel to reduce resistance parameters, so that the detection precision is improved; when the materials placed in the dense cabinet are stolen, the materials cannot be quickly and timely responded, the required materials can be accurately obtained only by controlling the on-off of the alarm signal through the computer end, otherwise, the infrared sensor U5 and the gravity sensor XD1 which normally operate send out alarm prompts, and further, the important materials placed in the dense cabinet are protected.
Drawings
Fig. 1 is a block diagram of the present invention.
Fig. 2 is a distribution diagram of the alarm detection circuit of the internet of things control dense cabinet.
Fig. 3 is a circuit diagram of the gravity sensing module of the present invention.
Fig. 4 is a circuit diagram of the infrared sensing module of the present invention.
FIG. 5 is a schematic view of the structure of the densed cabinet of the present invention.
Fig. 6 is a circuit diagram of an internet of things command control module according to the present invention.
The reference signs are: power supply port 1, alarm lamp 2, infrared inductor 3, gravity induction board 4, cabinet body 5, PCB board 6.
Detailed Description
As shown in fig. 1, in this embodiment, an alarm detection circuit for a control dense cabinet of the internet of things includes:
the power supply protection module is used for providing safe and stable voltage for the power storage device and the Internet of things instruction control module;
the internet of things instruction control module is used for receiving external signals through a triode and transmitting and controlling the conduction of power supply voltages of the gravity sensing module and the infrared sensing module;
the gravity sensing module is used for detecting files on a gravity sensing plate arranged in the dense cabinet;
the infrared sensing module is used for detecting the opening and closing distance of the dense cabinet and controlling the on-off of the alarm circuit by receiving the quantity of feedback light.
In a further embodiment, as shown in fig. 2, the transistor M1 and the transistor M2 in the power supply protection module are internally provided with a directional diode, so as to control the input and output voltages and protect the safety of the power supply voltage;
a triode Q1 in the Internet of things command control module controls the on-off of an external control signal, and a variable resistor RV1 adjusts the transmission size of stored electric energy provided for a capacitor C7, so that the voltage constancy of different transmission control circuits is met;
a resistor R12 and a capacitor C19 in the gravity sensing module are connected in parallel to form a filter circuit, so that the response of an operational amplifier U4 is improved, and a resistor R9 and a resistor R10 are connected in parallel to reduce an ohmic value and improve the detection accuracy of the gravity sensor XD 1;
the one-way silicon controlled rectifier U10 in the infrared induction module controls the conduction of voltage by acquiring a detection signal instruction, so that the alarm device can respond quickly;
the intensive cabinet comprises a cabinet body, a gravity sensing plate arranged in the cabinet body, an infrared sensor arranged above the gravity sensing plate, and a PCB arranged below the cabinet body, and further the file of the intensive cabinet is protected.
In a further embodiment, the power supply protection module includes a resistor R1, a capacitor C1, a resistor R2, a diode D1, a lamp LED1, a power manager U1, a transistor M1, a transistor M2, a capacitor C2, and a lithium battery B1.
In a further embodiment, one end of the resistor R1 in the power supply protection module is connected to one end of the capacitor C1 and the positive DC terminal, respectively; the other end of the resistor R1 is respectively connected with one end of a resistor R2 and the DC negative end; the other end of the capacitor C1 is respectively connected with the negative electrode end of a diode D1, the positive electrode end of a lamp LED1, a pin 8 of a power supply manager U1, one end of a capacitor C2 and the positive electrode end of a lithium battery B1; the other end of the resistor R2 is respectively connected with the positive end of a diode D1, the negative end of a lamp LED1 and a pin 3 of a transistor M1; the pin 1 of the transistor M1 is connected with the pin 1 of the power manager U1; the pin 2 of the transistor M1 is connected with a pin 6 of a power manager U1; the pin 4 of the transistor M1 is connected with the pin 3 of the transistor M2; the pin 1 of the transistor M2 is connected with the pin 3 of the power manager U1; and a pin 2 of the transistor M2 is respectively connected with the other end of the capacitor C2, a pin 2 of the power manager U1 and the negative end of the lithium battery B1.
In a further embodiment, as shown in fig. 6, the internet of things command control module includes a diode D3, an inductor L2, a capacitor C5, a capacitor C6, a resistor R6, a capacitor C7, a variable resistor RV1, a resistor R8, a transistor Q2, a diode D4, a resistor R7, a frequency modulation receiver U6, a resistor R3, a resistor R4, an inductor L1, a diode D2, a resistor R5, a transistor Q1, a capacitor C3, and a capacitor C4.
In a further embodiment, the negative terminal of the diode D3 in the internet of things command control module is respectively connected to pin 3 of the fm receiver U6, one terminal of the capacitor C5, pin 2 of the transistor M2, the other terminal of the capacitor C2, pin 2 of the power manager U1, and the negative terminal of the lithium battery B1; the positive end of the diode D3 is connected with one end of an inductor L2; the other end of the inductor L2 is respectively connected with a pin 11 of a frequency modulation receiver U6, the other end of a capacitor C1, a negative electrode end of a diode D1, a positive electrode end of a lamp LED1, a pin 8 of a power supply manager U1, one end of a capacitor C2 and a positive electrode end of a lithium battery B1; the other end of the capacitor C5 is respectively connected with a pin 7 of a frequency modulation receiver U6 and a ground wire GND; the positive end of the capacitor C6 is connected with a pin 1 of a frequency modulation receiver U6; the negative end of the capacitor C6 is respectively connected with one end of the resistor R6, the output end of the control signal INT and the positive end of the capacitor C7; the other end of the resistor R6 is respectively connected with a pin 1 and a pin 2 of a variable resistor RV1 and an emitter terminal of a triode Q2; the pin 3 of the variable resistor RV1 is respectively connected with the negative electrode end of the capacitor C7, one end of the resistor R8 and the ground wire GND; the other end of the resistor R8 is respectively connected with the cathode end of the diode D4 and the collector end of the triode Q2; the base end of the triode Q2 is respectively connected with one end of a resistor R7 and a pin 9 of a frequency modulation receiver U6; the other end of the resistor R7 is connected with the positive end of a diode D4; the pin 24 of the frequency modulation receiver U6 is connected with one end of a resistor R3; pin 13 of the frequency modulation receiver U6 is connected with one end of a resistor R4; the pin 21 of the frequency modulation receiver U6 is connected with one end of an inductor L1; the pin 19 of the frequency modulation receiver U6 is connected with the positive end of a diode D2; the pin 18 of the FM receiver U6 is connected with one end of a resistor R5; the other end of the resistor R5 is respectively connected with a collector terminal of a triode Q1, a negative terminal of a capacitor C3 and a ground wire GND; the base end of the triode Q1 is connected with the cathode end of the diode D2; the emitter terminal of the triode Q1 is respectively connected with the other end of the inductor L1, the other end of the resistor R3, one end of the capacitor C4 and the signal input end IOT; the other end of the resistor R4 is connected with the positive end of the capacitor C3.
In a further embodiment, as shown in fig. 3, the gravity sensing module includes a one-way thyristor U2, a capacitor C8, a voltage regulator U3, a resistor R9, a resistor R10, a gravity sensor XD1, an operational amplifier U4, a resistor R12, a capacitor C9, and a resistor R11.
In a further embodiment, the positive terminal of the one-way thyristor U2 in the gravity sensing module is respectively connected to the other terminal of an inductor L2, the pin 11 of a fm receiver U6, the other terminal of a capacitor C1, the negative terminal of a diode D1, the positive terminal of a lamp LED1, the pin 8 of a power manager U1, one terminal of a capacitor C2, and the positive terminal of a lithium battery B1; the negative end of the one-way thyristor U1 is respectively connected with pin 1 of a voltage stabilizer U2 and one end of a capacitor C8; the other end of the capacitor C8 is connected with a ground wire GND; the pin 1 of the one-way thyristor U2 is respectively connected with the negative end of a capacitor C6, one end of a resistor R6, the output end of a control signal INT and the positive end of a capacitor C7; pin 2 of the voltage stabilizer U3 is connected with a ground wire GND; the pin 3 of the voltage stabilizer U2 is respectively connected with one end of a resistor R9, one end of a resistor R10, a pin 1 of a gravity sensor XD1 and a pin 4 of an operational amplifier U4; the other end of the resistor R9 is respectively connected with the other end of the resistor R10, one end of the resistor R11, a pin 4 of the gravity sensor XD1 and a ground wire GND; the other end of the resistor R11 is respectively connected with the negative end of the capacitor C9, one end of the resistor R12 and a pin 3 of an operational amplifier U4; the positive end of the capacitor C9 is respectively connected with the other end of the resistor R12 and a pin 6 of the operational amplifier U4; and pin 3 of the gravity sensor U4 is connected with a ground wire GND.
In a further embodiment, as shown in fig. 4, the infrared sensing module includes a capacitor C10, a diode D5, a resistor R14, a diode D6, a capacitor C11, an infrared sensor U5, a variable resistor RV2, a capacitor C12, a diode D7, a transistor Q5, a diode D8, a triac U10, a resistor R10, a transistor Q3, and a speaker LS 1.
In a further embodiment, the positive terminal of the capacitor C10 in the infrared sensing module is connected with the negative terminal of the one-way thyristor U1, the pin 1 of the voltage stabilizer U2 and one terminal of the capacitor C8; the negative end of the capacitor C10 is connected with the positive end of a diode D5; the negative end of the diode D5 is respectively connected with one end of a resistor R14, the emitter end of a triode Q5 and the positive end of a one-way thyristor U10; the other end of the resistor R14 is respectively connected with the cathode end of the diode D6, one end of the capacitor C11 and the pin 1 of the infrared sensor U5; the other end of the capacitor C11 is respectively connected with the positive end of a diode D6, a pin 6 of an infrared sensor U5 and one end of a capacitor C12; the other end of the capacitor C12 is connected with the negative electrode end of a diode D8; the positive end of the diode D8 is connected with the collector end of the triode Q5; the base end of the triode Q5 is connected with the positive end of a diode D7; the negative end of the diode D7 is connected with a pin 8 of an infrared sensor U5; pin 2 of the infrared sensor RV2 is connected with pin 2 of a variable resistor RV 2; pin 1 and pin 3 of the variable resistor RV2 are both connected with pin 4 of an infrared sensor U5; pin 3 of the infrared sensor U5 is connected with pin 1 of a one-way thyristor U10; the negative end of the one-way thyristor U10 is respectively connected with one end of a resistor R13 and a ground wire GND; the other end of the resistor R13 is respectively connected with the positive end of the capacitor C9, the other end of the resistor R12 and a pin 6 of an operational amplifier U4; the collector terminal of the triode Q3 is connected with +6V of a power supply; the emitter end of the triode Q3 is connected with one end of a loudspeaker LS 1; the other end of the loudspeaker LS1 is connected to ground GND.
In a further embodiment, as shown in fig. 5, the dense cabinet comprises a power supply port 1, an alarm lamp 2, an infrared inductor 3, a gravity sensing board 4, a cabinet body 5 and a PCB board 6.
In a further embodiment, the gravity sensing plates 4 in the dense cabinet are fixed on the inner side wall of the cabinet body 5 through a buffer pad, the inner wall of the cabinet body is provided with a plurality of groups of gravity sensing plates 4, a PCB 6 is arranged below the inner wall of the cabinet body 4, an alarm lamp 2 is arranged above the cabinet body 4, and the alarm lamp 2 is fixedly connected with the upper end face of the cabinet body 4; the left side of the cabinet body 4 is provided with a power supply port 1, a power supply protection module, an Internet of things instruction control module, a gravity sensing module and an infrared sensing module are all embedded on a PCB 6 which is issued by the cabinet body.
In a further embodiment, the capacitor C3, the capacitor C6, the capacitor C9, the capacitor C10 are electrolytic capacitors; the diode D2, the diode D4 and the diode D5 are all voltage-stabilizing diodes; the model of the triode Q2 and the model of the triode Q3 are both NPN; the types of the triode Q1 and the triode Q5 are PNP; the power manager U1 is DW01 in model number; the model of the frequency modulation receiver U6 is MC 3361; the gravity sensor XD1 is MPX 2000; the infrared sensor U5 model is HN 911L.
In a further embodiment, a control method of an alarm detection circuit of an internet of things control intensive cabinet is characterized in that an instruction control module of the internet of things performs instruction control on a frequency modulation receiving U6 through an external system control program, so that a detection alarm device operates to protect the safety of files of the intensive cabinet, and the specific steps are as follows:
step 1, when the circuit is in a normal operation state, a triode Q1 receives an external control instruction, a triode Q1 transmits the received control instruction to a frequency modulation receiver U6 through a collector terminal, the frequency modulation receiver U6 stores the received control instruction through a capacitor C6, and then a diode D4 provides control signal transmission conduction voltage for a base terminal of a triode Q2 by utilizing unidirectional conduction specificity, so that control acquired by the base terminal of the triode Q2 can be transmitted out through an emitter terminal, and a control signal is applied to enable a pin 1 of a unidirectional silicon controlled rectifier U2 to obtain a voltage conduction signal, so that a gravity sensing module and an infrared sensing module operate, and further, confidential materials in a dense cabinet are protected, and loss caused by stealing is prevented;
step 2, when the materials need to be taken away, the conduction direction of a triode Q1 in the IOT control module needs to be closed, so that a signal transmitted to a frequency modulation receiver U6 by an external control instruction is cut off, and further the positive and negative terminals of a one-way silicon controlled U2 cannot receive conduction control signals, so that the gravity sensing module and the infrared sensing module stop working, at this time, the dense cabinets can be opened to obtain the required file materials, a plurality of groups of gravity sensing plates are adopted in each dense cabinet to detect the change of stored files constantly, when the dense cabinet is forcibly opened, the triode Q1 in the IOT instruction control module is in a conduction state, further the gravity sensing module and the infrared sensing module run normally, at this time, the infrared sensor U5 detects that the front door of the dense cabinet is opened, and further distance response is generated, so that the pin 1 of the one-way silicon controlled 10U obtains a signal transmission instruction of the infrared sensor, then, the external voltage of the triode Q3 provides quick response, so that the loudspeaker LS1 sends out alarm reminding; and then the file change of the dense cabinet is detected, and the safety of the stored file is ensured.
In summary, the present invention has the following advantages: the resistor R1 obtains the positive and negative terminals of the input direct current DC through the two ends, the capacitor C1 stores the voltage in transmission, the current impact caused by the instant conduction voltage is prevented, the diode D1 has one-way conductivity, and the transmission direction of the voltage is controlled; the transistor M1 and the transistor M2 are internally provided with directional diodes, so that the input and output voltages are controlled to protect the safety of the power supply voltage, and the capacitor C1 maintains the stability of the input voltage supplied to the lithium battery B1; the triode Q1 controls the on-off of an external control signal, the variable resistor RV1 adjusts the transmission size of stored electric energy provided for the capacitor C7, and further the constancy of voltages of different transmission control circuits is met, the resistor R3 and the capacitor C4 are connected in series to filter out high-frequency signals generated by the frequency modulation receiver U6, the resistor R4, the capacitor C3 and the resistor R5 adjust and distribute control signals received by the triode Q1, one end of the capacitor C5 is grounded to eliminate power interference signals and transmit the power interference signals to the frequency modulation receiver U6, the triode Q2 controls the signal conduction direction, and the variable resistor RV1 and the resistor R8 adjust output and input voltages to ensure the stability of output signals; the capacitor C8 is grounded to filter an interference electric signal generated in the voltage stabilization of the voltage stabilizer U3, the resistor R12 and the capacitor C19 are connected in parallel to form a filter circuit, the response of the operational amplifier U4 is improved, the resistor R9 and the resistor R10 are connected in parallel to reduce an ohmic value, and the detection precision of the gravity sensor XD1 is improved; the variable resistor RV2 adjusts the detection range of the infrared sensor U5 by changing the resistance value, the triode Q5 manages the conduction direction of input voltage, so that electric energy is provided for the infrared sensor U6, the unidirectional silicon controlled rectifier U10 pin 1 obtains a conduction instruction through a signal instruction, and the unidirectional silicon controlled rectifier U10 controls the conduction of the voltage of the positive terminal and the negative terminal through obtaining a detection signal instruction, so that the alarm device can respond quickly; inlay on PCB board 6 at every detection module, speaker LS1 is installed inside alarm lamp 2, open warning effect, infrared inductor 3 is used for adsorbing the qianmen, thereby make inside infrared sensor U5 open with the qianmen and close and form apart from the response, power supply port 1 is used for connecting external power supply, and the isolation layer is placed to tablet 4 forming material, thereby survey the file material on every layer and ensure file safety, cabinet body 5 prevents inside that the device from exposing with detection circuitry and structural component installation, and then protects the file of intensive cabinet.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

Claims (9)

1. The utility model provides a intensive cabinet of thing networked control warning detection circuitry which characterized in that, includes following module:
the power supply protection module is used for providing safe and stable voltage for the power storage device and the Internet of things instruction control module;
the internet of things instruction control module is used for receiving external signals through a triode and transmitting and controlling the conduction of power supply voltages of the gravity sensing module and the infrared sensing module;
the gravity sensing module is used for detecting files on a gravity sensing plate arranged in the dense cabinet;
the infrared sensing module is used for detecting the opening and closing distance of the dense cabinet and controlling the on-off of the alarm circuit by receiving the quantity of feedback light.
2. The alarm detection circuit of the control intensive cabinet of the internet of things according to claim 1, wherein a direction diode is arranged inside a transistor M1 and a transistor M2 in the power supply protection module, so that the input and output voltages are controlled to protect the safety of the power supply voltage;
a triode Q1 in the Internet of things command control module controls the on-off of an external control signal, and a variable resistor RV1 adjusts the transmission size of stored electric energy provided for a capacitor C7, so that the voltage constancy of different transmission control circuits is met;
a resistor R12 and a capacitor C19 in the gravity sensing module are connected in parallel to form a filter circuit, so that the response of an operational amplifier U4 is improved, and a resistor R9 and a resistor R10 are connected in parallel to reduce an ohmic value and improve the detection accuracy of the gravity sensor XD 1;
the one-way silicon controlled rectifier U10 in the infrared induction module controls the conduction of voltage by acquiring a detection signal instruction, so that the alarm device can respond quickly;
the intensive cabinet comprises a cabinet body, a gravity sensing plate arranged in the cabinet body, an infrared sensor arranged above the gravity sensing plate, and a PCB arranged below the cabinet body, and further the file of the intensive cabinet is protected.
3. The alarm detection circuit for the intensive control cabinet based on the internet of things according to claim 1, wherein the power supply protection module comprises a resistor R1, a capacitor C1, a resistor R2, a diode D1, a lamp LED1, a power manager U1, a transistor M1, a transistor M2, a capacitor C2 and a lithium battery B1, wherein one end of the resistor R1 is connected with one end of a capacitor C1 and the positive end of direct current DC respectively; the other end of the resistor R1 is respectively connected with one end of a resistor R2 and the DC negative end; the other end of the capacitor C1 is respectively connected with the negative electrode end of a diode D1, the positive electrode end of a lamp LED1, a pin 8 of a power supply manager U1, one end of a capacitor C2 and the positive electrode end of a lithium battery B1; the other end of the resistor R2 is respectively connected with the positive end of a diode D1, the negative end of a lamp LED1 and a pin 3 of a transistor M1; the pin 1 of the transistor M1 is connected with the pin 1 of the power manager U1; the pin 2 of the transistor M1 is connected with a pin 6 of a power manager U1; the pin 4 of the transistor M1 is connected with the pin 3 of the transistor M2; the pin 1 of the transistor M2 is connected with the pin 3 of the power manager U1; and a pin 2 of the transistor M2 is respectively connected with the other end of the capacitor C2, a pin 2 of the power manager U1 and the negative end of the lithium battery B1.
4. The alarm detection circuit of the intensive control cabinet based on the internet of things as claimed in claim 1, wherein the command control module of the internet of things comprises a diode D3, an inductor L2, a capacitor C5, a capacitor C6, a resistor R6, a capacitor C7, a variable resistor RV1, a resistor R8, a triode Q2, a diode D4, a resistor R7, a frequency modulation receiver U6, a resistor R3, a resistor R4, an inductor L1, a diode D2, a resistor R5, a triode Q1, a capacitor C3 and a capacitor C4, wherein the negative end of the diode D3 is respectively connected with a pin 3 of the frequency modulation receiver U6, one end of the capacitor C5, a pin 2 of the transistor M2, the other end of the capacitor C2, a pin 2 of a power manager U1 and the negative end of a lithium battery B1; the positive end of the diode D3 is connected with one end of an inductor L2; the other end of the inductor L2 is respectively connected with a pin 11 of a frequency modulation receiver U6, the other end of a capacitor C1, a negative electrode end of a diode D1, a positive electrode end of a lamp LED1, a pin 8 of a power supply manager U1, one end of a capacitor C2 and a positive electrode end of a lithium battery B1; the other end of the capacitor C5 is respectively connected with a pin 7 of a frequency modulation receiver U6 and a ground wire GND; the positive end of the capacitor C6 is connected with a pin 1 of a frequency modulation receiver U6; the negative end of the capacitor C6 is respectively connected with one end of the resistor R6, the output end of the control signal INT and the positive end of the capacitor C7; the other end of the resistor R6 is respectively connected with a pin 1 and a pin 2 of a variable resistor RV1 and an emitter terminal of a triode Q2; the pin 3 of the variable resistor RV1 is respectively connected with the negative electrode end of the capacitor C7, one end of the resistor R8 and the ground wire GND; the other end of the resistor R8 is respectively connected with the cathode end of the diode D4 and the collector end of the triode Q2; the base end of the triode Q2 is respectively connected with one end of a resistor R7 and a pin 9 of a frequency modulation receiver U6; the other end of the resistor R7 is connected with the positive end of a diode D4; the pin 24 of the frequency modulation receiver U6 is connected with one end of a resistor R3; pin 13 of the frequency modulation receiver U6 is connected with one end of a resistor R4; the pin 21 of the frequency modulation receiver U6 is connected with one end of an inductor L1; the pin 19 of the frequency modulation receiver U6 is connected with the positive end of a diode D2; the pin 18 of the FM receiver U6 is connected with one end of a resistor R5; the other end of the resistor R5 is respectively connected with a collector terminal of a triode Q1, a negative terminal of a capacitor C3 and a ground wire GND; the base end of the triode Q1 is connected with the cathode end of the diode D2; the emitter terminal of the triode Q1 is respectively connected with the other end of the inductor L1, the other end of the resistor R3, one end of the capacitor C4 and the signal input end IOT; the other end of the resistor R4 is connected with the positive end of the capacitor C3.
5. The alarm detection circuit of the intensive control cabinet based on the internet of things as claimed in claim 1, wherein the gravity sensing module comprises a one-way thyristor U2, a capacitor C8, a voltage stabilizer U3, a resistor R9, a resistor R10, a gravity sensor XD1, an operational amplifier U4, a resistor R12, a capacitor C9 and a resistor R11, wherein the positive terminal of the one-way thyristor U2 is connected with the other terminal of an inductor L2, the pin 11 of a frequency modulation receiver U6, the other terminal of a capacitor C1, the negative terminal of a diode D1, the positive terminal of a lamp LED1, the pin 8 of a power manager U1, one terminal of a capacitor C2 and the positive terminal of a lithium battery B1; the negative end of the one-way thyristor U1 is respectively connected with pin 1 of a voltage stabilizer U2 and one end of a capacitor C8; the other end of the capacitor C8 is connected with a ground wire GND; the pin 1 of the one-way thyristor U2 is respectively connected with the negative end of a capacitor C6, one end of a resistor R6, the output end of a control signal INT and the positive end of a capacitor C7; pin 2 of the voltage stabilizer U3 is connected with a ground wire GND; the pin 3 of the voltage stabilizer U2 is respectively connected with one end of a resistor R9, one end of a resistor R10, a pin 1 of a gravity sensor XD1 and a pin 4 of an operational amplifier U4; the other end of the resistor R9 is respectively connected with the other end of the resistor R10, one end of the resistor R11, a pin 4 of the gravity sensor XD1 and a ground wire GND; the other end of the resistor R11 is respectively connected with the negative end of the capacitor C9, one end of the resistor R12 and a pin 3 of an operational amplifier U4; the positive end of the capacitor C9 is respectively connected with the other end of the resistor R12 and a pin 6 of the operational amplifier U4; and pin 3 of the gravity sensor U4 is connected with a ground wire GND.
6. The alarm detection circuit for the intensive control cabinets of the internet of things according to claim 1, wherein the infrared sensing module comprises a capacitor C10, a diode D5, a resistor R14, a diode D6, a capacitor C11, an infrared sensor U5, a variable resistor RV2, a capacitor C12, a diode D7, a triode Q5, a diode D8, a one-way thyristor U10, a resistor R10, a triode Q3 and a loudspeaker LS1, wherein the positive terminal of the capacitor C10 is connected with the negative terminal of the one-way thyristor U1, the pin 1 of a voltage stabilizer U2 and one end of the capacitor C8; the negative end of the capacitor C10 is connected with the positive end of a diode D5; the negative end of the diode D5 is respectively connected with one end of a resistor R14, the emitter end of a triode Q5 and the positive end of a one-way thyristor U10; the other end of the resistor R14 is respectively connected with the cathode end of the diode D6, one end of the capacitor C11 and the pin 1 of the infrared sensor U5; the other end of the capacitor C11 is respectively connected with the positive end of a diode D6, a pin 6 of an infrared sensor U5 and one end of a capacitor C12; the other end of the capacitor C12 is connected with the negative electrode end of a diode D8; the positive end of the diode D8 is connected with the collector end of the triode Q5; the base end of the triode Q5 is connected with the positive end of a diode D7; the negative end of the diode D7 is connected with a pin 8 of an infrared sensor U5; pin 2 of the infrared sensor RV2 is connected with pin 2 of a variable resistor RV 2; pin 1 and pin 3 of the variable resistor RV2 are both connected with pin 4 of an infrared sensor U5; pin 3 of the infrared sensor U5 is connected with pin 1 of a one-way thyristor U10; the negative end of the one-way thyristor U10 is respectively connected with one end of a resistor R13 and a ground wire GND; the other end of the resistor R13 is respectively connected with the positive end of the capacitor C9, the other end of the resistor R12 and a pin 6 of an operational amplifier U4; the collector terminal of the triode Q3 is connected with +6V of a power supply; the emitter end of the triode Q3 is connected with one end of a loudspeaker LS 1; the other end of the loudspeaker LS1 is connected to ground GND.
7. The alarm detection circuit of the internet of things control intensive cabinet as claimed in claim 1, wherein the gravity induction plates are fixed at the side wall of the interior of the cabinet body through a buffer pad, the inner wall of the cabinet body is provided with a plurality of groups of gravity induction plates, a PCB is arranged below the inner wall of the cabinet body, an alarm lamp is arranged above the cabinet body, and the alarm lamp is fixedly connected with the upper end face of the cabinet body; and a power supply port is formed in the left side of the cabinet body.
8. The alarm detection circuit for the intensive control cabinet based on the internet of things as claimed in claim 1, wherein the power supply protection module, the instruction control module based on the internet of things, the gravity sensing module and the infrared sensing module are all embedded on a PCB board which is issued by the cabinet body.
9. The control method of the alarm detection circuit of the IOT (Internet of things) controlled dense cabinet, according to claim 4, is characterized in that the IOT instruction control module performs instruction control on a frequency modulation receiving U6 through an external system control program, so that a detection alarm device operates to protect the security of the dense cabinet file, and the specific steps are as follows:
step 1, when the circuit is in a normal operation state, a triode Q1 receives an external control instruction, a triode Q1 transmits the received control instruction to a frequency modulation receiver U6 through a collector terminal, the frequency modulation receiver U6 stores the received control instruction through a capacitor C6, and then a diode D4 provides control signal transmission conduction voltage for a base terminal of a triode Q2 by utilizing unidirectional conduction specificity, so that control acquired by the base terminal of the triode Q2 can be transmitted out through an emitter terminal, and a control signal is applied to enable a pin 1 of a unidirectional silicon controlled rectifier U2 to obtain a voltage conduction signal, so that a gravity sensing module and an infrared sensing module operate, and further, confidential materials in a dense cabinet are protected, and loss caused by stealing is prevented;
step 2, when the materials need to be taken away, the conduction direction of a triode Q1 in the IOT control module needs to be closed, so that a signal transmitted to a frequency modulation receiver U6 by an external control instruction is cut off, and further the positive and negative terminals of a one-way silicon controlled U2 cannot receive conduction control signals, so that the gravity sensing module and the infrared sensing module stop working, at this time, the dense cabinets can be opened to obtain the required file materials, a plurality of groups of gravity sensing plates are adopted in each dense cabinet to detect the change of stored files constantly, when the dense cabinet is forcibly opened, the triode Q1 in the IOT instruction control module is in a conduction state, further the gravity sensing module and the infrared sensing module run normally, at this time, the infrared sensor U5 detects that the front door of the dense cabinet is opened, and further distance response is generated, so that the pin 1 of the one-way silicon controlled 10U obtains a signal transmission instruction of the infrared sensor, then, the external voltage of the triode Q3 provides quick response, so that the loudspeaker LS1 sends out alarm reminding; and then the file change of the dense cabinet is detected, and the safety of the stored file is ensured.
CN202010392989.0A 2020-05-11 2020-05-11 Alarm detection circuit for Internet of things control intensive cabinet and control method thereof Withdrawn CN111599122A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112505402A (en) * 2020-11-10 2021-03-16 杭州凯达电力建设有限公司自动化运维分公司 Electric energy monitoring system for solitary old people based on database prediction
CN112505401A (en) * 2020-11-10 2021-03-16 杭州凯达电力建设有限公司自动化运维分公司 Distributed electric quantity monitoring and alarming system for activity analysis of solitary old people

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112505402A (en) * 2020-11-10 2021-03-16 杭州凯达电力建设有限公司自动化运维分公司 Electric energy monitoring system for solitary old people based on database prediction
CN112505401A (en) * 2020-11-10 2021-03-16 杭州凯达电力建设有限公司自动化运维分公司 Distributed electric quantity monitoring and alarming system for activity analysis of solitary old people
CN112505402B (en) * 2020-11-10 2023-08-29 杭州凯达电力建设有限公司自动化运维分公司 Electric energy monitoring system for solitary old people based on database prediction
CN112505401B (en) * 2020-11-10 2023-08-29 杭州凯达电力建设有限公司自动化运维分公司 Distributed electric quantity monitoring alarm system for activity analysis of solitary old people

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Application publication date: 20200828