CN218888162U - Edge thing allies oneself with fuses terminal circuit - Google Patents

Edge thing allies oneself with fuses terminal circuit Download PDF

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Publication number
CN218888162U
CN218888162U CN202222426615.3U CN202222426615U CN218888162U CN 218888162 U CN218888162 U CN 218888162U CN 202222426615 U CN202222426615 U CN 202222426615U CN 218888162 U CN218888162 U CN 218888162U
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China
Prior art keywords
resistor
capacitor
electrically connected
pin
charge
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CN202222426615.3U
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Chinese (zh)
Inventor
林健
翁斌
陈煌
林智炳
程春松
杨晋鑫
林明星
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Fuzhou Dingxin High Voltage Electrical Co ltd
Fujian Cecc Electric Power Technology Co ltd
Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Fuzhou Dingxin High Voltage Electrical Co ltd
Fujian Cecc Electric Power Technology Co ltd
Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Priority to CN202222426615.3U priority Critical patent/CN218888162U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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Abstract

The utility model relates to the technical field of charge-discharge control, in particular to a marginal internet of things fusion terminal circuit, which comprises a power module, a standby power charge-discharge module, a super capacitor C5 and a super capacitor C6; the standby power supply charge-discharge module comprises a super capacitor group charge-discharge controller U1, one end of a super capacitor C5 is electrically connected with one end of a super capacitor C6, the super capacitor group charge-discharge controller U1 is electrically connected with the other end of the super capacitor C5, and the other end of the super capacitor C6 is grounded; the power supply module is electrically connected with the standby power supply charge-discharge module, and the power supply module and the standby power supply charge-discharge module are respectively and electrically connected with the peripheral internet of things integration terminal. The super capacitor bank is used as an electric energy storage medium, so that the problem that the standby power supply cannot be charged for recycling is solved, the limitation of charging service life times caused by a rechargeable battery is avoided, certain limitation of the applicable environment is effectively improved, and voltage variation caused by temperature change is effectively avoided.

Description

Edge thing allies oneself with fuses terminal circuit
Technical Field
The utility model relates to a charge-discharge control technical field especially relates to a marginal thing allies oneself with fuses terminal circuit.
Background
After the mains supply is powered off, the Internet of things integration terminal mostly uses a lithium-thionyl chloride battery as a standby power supply for uploading alarm data of equipment, and has the advantages of large capacity, low self-discharge rate, non-charging, large influence by the temperature of a use environment, possible battery voltage reduction at low temperature, and the fact that partial equipment uses a lithium rechargeable battery as the standby power supply after the mains supply is powered off, although the problem of incapability of charging is solved, the applicable environment temperature range is small, the problem of heating during charging, the charging service life and other factors cause the equipment standby power supply to be incapable of being used normally.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a marginal thing allies oneself with fuses terminal circuit is provided to can solve the unable cyclic problem of charging of stand-by power supply.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a marginal Internet of things fusion terminal circuit comprises a power module, a standby power charge-discharge module, a super capacitor C5 and a super capacitor C6;
the standby power supply charge-discharge module comprises a super capacitor group charge-discharge controller U1;
one end of the super capacitor C5 is electrically connected with one end of the super capacitor C6, the super capacitor group charge-discharge controller U1 is electrically connected with the other end of the super capacitor C5, and the other end of the super capacitor C6 is grounded;
the power supply module is electrically connected with the standby power supply charge-discharge module, and the power supply module and the standby power supply charge-discharge module are respectively and electrically connected with the peripheral internet of things integration terminal.
Further, the standby power supply charging and discharging module further comprises a resistor R1, a resistor R2, a resistor R4, a resistor R10, a resistor R13, a resistor R14, a capacitor C2 and a capacitor C4;
one end of the capacitor C2 is electrically connected with one end of the capacitor C5, the other end of the capacitor C2 is grounded, one end of the resistor R2 is electrically connected with one end of the capacitor C5, the other end of the resistor R2 is respectively electrically connected with a fifth pin of the super capacitor group charge-discharge controller U1 and one end of the resistor R1, and the other end of the resistor R1 is grounded;
one end of the resistor R10 is electrically connected with one end of the capacitor C5, the other end of the resistor R10 is electrically connected with a fourth pin of the super capacitor group charge-discharge controller U1, one end of the resistor R4 and one end of the capacitor C4 respectively, and the other end of the resistor R4 and the other end of the capacitor C4 are grounded;
one end of the resistor R13 is electrically connected with one end of the resistor R14 and an external 3.3V power supply respectively, the other end of the resistor R13 is electrically connected with a first pin of the super capacitor bank charge-discharge controller U1, and the other end of the resistor R14 is electrically connected with a second pin of the super capacitor bank charge-discharge controller U1.
Further, the standby power supply charge-discharge module further comprises a capacitor C1, a capacitor C3, a resistor R11, a resistor R12, a resistor R16 and a resistor R17;
one end of the capacitor C1 is respectively and electrically connected with a third pin, an eighth pin, a thirteenth pin and a fifteenth pin of the super capacitor group charge-discharge controller U1 and an external 3.3V power supply;
one end of the capacitor C3 is electrically connected with one end of the resistor R3 and a twelfth pin of the super capacitor bank charge-discharge controller U1 respectively, the other end of the resistor R3 is electrically connected with a thirteenth pin of the super capacitor bank charge-discharge controller U1, and the other end of the capacitor C3 is grounded;
one end of the resistor R12 is electrically connected with one end of the resistor R11 and a ninth pin of the super capacitor bank charge-discharge controller U1, the other end of the resistor R12 is electrically connected with a thirteenth pin of the super capacitor bank charge-discharge controller U1, and the other end of the resistor R11 is grounded;
one end of the resistor R16 is electrically connected with one end of the resistor R17 and a seventh pin of the super capacitor bank charge-discharge controller U1, the other end of the resistor R16 is electrically connected with a thirteenth pin of the super capacitor bank charge-discharge controller U1, and the other end of the resistor R17 is grounded.
Further, the standby power supply charge-discharge module further comprises an inductor L4 and a resistor R15;
one end of the inductor L4 is electrically connected with the twentieth pin and the twenty-first pin of the charge-discharge controller U1 of the super capacitor bank, and the other end of the inductor L4 is electrically connected with the sixteenth pin and the seventeenth pin of the charge-discharge controller U1 of the super capacitor bank;
one end of the resistor R15 is electrically connected with a tenth pin of the super capacitor group charge-discharge controller U1, and the other end of the resistor R15 is grounded.
Further, the power supply circuit comprises a voltage stabilizing chip IC1, a common mode choke coil L1, a diode D1, a voltage stabilizing tube D2, a fuse F1, a power supply interface DC1, a voltage dependent resistor R5, a resistor R8, a capacitor C22, a capacitor C23 and a capacitor C27;
a first pin of the power interface DC1 is electrically connected with one end of a fuse F1, the other end of the fuse F1 is electrically connected with one end of a piezoresistor R5, one end of a voltage-regulator tube D2 and an anode of a diode D1 respectively, the other end of the piezoresistor D2 is electrically connected with one end of a resistor R8, one end of a capacitor C27, the other end of the voltage-regulator tube D2 and a second pin of a common-mode choke coil L1 respectively, the other end of the resistor R8 and the other end of the capacitor C27 are grounded, and the anode of the diode D1 is electrically connected with the first pin of the common-mode choke coil L1; the fourth pin of the common mode choke coil L1 is electrically connected to one end of the capacitor C22, one end of the capacitor C23, and the fourth pin and the fifth pin of the voltage stabilization chip IC1, respectively, and the third pin of the common mode choke coil L1 is electrically connected to the other end of the capacitor C22 and the other end of the capacitor C23, respectively.
Further, the power supply circuit further comprises a magnetic bead L2, an inductor L3, a diode D3, a light emitting diode D4, a resistor R6, a resistor R7, a resistor R9, a capacitor C21, a capacitor C24, a capacitor C25 and a capacitor C26;
a sixth pin of the voltage stabilizing chip IC1 is respectively electrically connected with one end of a capacitor C21, one end of an inductor L3 and a cathode of a diode D3, the other end of the capacitor C21 is electrically connected with a first pin of the voltage stabilizing chip IC1, and an anode of the diode D3 is grounded;
the other end of the inductor L3 is electrically connected with one end of a resistor R7, one end of a capacitor C24, one end of a capacitor C25, one end of a capacitor C26 and one end of a magnetic bead L2 respectively, the other end of the resistor R7 is electrically connected with a third pin of the voltage stabilizing chip IC1, one end of a resistor R9 and the other end of the capacitor C24 respectively, the other end of the resistor R9 is grounded, and the other end of the capacitor C25 and the other end of the capacitor C26 are grounded;
the other end of the magnetic bead L2 is electrically connected with one end of a resistor R6, the other end of the resistor R6 is connected with the anode of the light-emitting diode D4, and the cathode of the light-emitting diode D4 is grounded.
The beneficial effects of the utility model reside in that: the super capacitor group is used as an electric energy storage medium, the problem that the standby power supply cannot be charged and recycled is solved, the limitation of charging service life times caused by the rechargeable battery is avoided, and the service life of the rechargeable battery is greatly prolonged by enabling the super capacitor to be charged for 50 ten thousand times between rated voltage and half rated voltage by using constant current under the normal temperature environment. The super capacitor bank is used as an electric energy storage medium, so that certain limitation of the applicable environment and voltage variation caused by temperature change can be effectively improved.
Drawings
FIG. 1 is a circuit diagram of a power module;
fig. 2 is a circuit connection diagram of the standby power charge-discharge module and the super capacitor set.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 2, the present invention provides a marginal internet of things fusion terminal circuit, which includes a power module, a standby power charging and discharging module, a super capacitor C5 and a super capacitor C6;
the standby power supply charge-discharge module comprises a super capacitor group charge-discharge controller U1;
one end of the super capacitor C5 is electrically connected with one end of the super capacitor C6, the super capacitor group charge-discharge controller U1 is electrically connected with the other end of the super capacitor C5, and the other end of the super capacitor C6 is grounded;
the power supply module is electrically connected with the standby power supply charge-discharge module, and the power supply module and the standby power supply charge-discharge module are respectively and electrically connected with the peripheral internet of things integration terminal.
From the above description, it can be known that, by using the super capacitor bank as the electric energy storage medium, the problem that the backup power supply cannot be charged and recycled and the limitation of the number of charging life times brought by the rechargeable battery are solved, and the super capacitor can be charged cyclically for 50 ten thousand times between the rated voltage and the half-rated voltage by using the constant current under the normal temperature environment and is far longer than the life of the rechargeable battery. The super capacitor bank is used as an electric energy storage medium, so that certain limitation of the applicable environment and voltage variation caused by temperature change can be effectively improved.
Further, the standby power supply charging and discharging module further comprises a resistor R1, a resistor R2, a resistor R4, a resistor R10, a resistor R13, a resistor R14, a capacitor C2 and a capacitor C4;
one end of the capacitor C2 is electrically connected with one end of the capacitor C5, the other end of the capacitor C2 is grounded, one end of the resistor R2 is electrically connected with one end of the capacitor C5, the other end of the resistor R2 is respectively electrically connected with a fifth pin of the super capacitor group charge-discharge controller U1 and one end of the resistor R1, and the other end of the resistor R1 is grounded;
one end of the resistor R10 is electrically connected with one end of the capacitor C5, the other end of the resistor R10 is electrically connected with a fourth pin of the super capacitor group charge-discharge controller U1, one end of the resistor R4 and one end of the capacitor C4 respectively, and the other end of the resistor R4 and the other end of the capacitor C4 are grounded;
one end of the resistor R13 is electrically connected with one end of the resistor R14 and an external 3.3V power supply respectively, the other end of the resistor R13 is electrically connected with a first pin of the super capacitor bank charge-discharge controller U1, and the other end of the resistor R14 is electrically connected with a second pin of the super capacitor bank charge-discharge controller U1.
Further, the standby power supply charge-discharge module further comprises a capacitor C1, a capacitor C3, a resistor R11, a resistor R12, a resistor R16 and a resistor R17;
one end of the capacitor C1 is respectively and electrically connected with a third pin, an eighth pin, a thirteenth pin and a fifteenth pin of the super capacitor group charge-discharge controller U1 and an external 3.3V power supply;
one end of the capacitor C3 is electrically connected with one end of the resistor R3 and a twelfth pin of the super capacitor bank charge-discharge controller U1 respectively, the other end of the resistor R3 is electrically connected with a thirteenth pin of the super capacitor bank charge-discharge controller U1, and the other end of the capacitor C3 is grounded;
one end of the resistor R12 is electrically connected with one end of the resistor R11 and a ninth pin of the super capacitor bank charge-discharge controller U1, the other end of the resistor R12 is electrically connected with a thirteenth pin of the super capacitor bank charge-discharge controller U1, and the other end of the resistor R11 is grounded;
one end of the resistor R16 is electrically connected with one end of the resistor R17 and a seventh pin of the super capacitor bank charge-discharge controller U1, the other end of the resistor R16 is electrically connected with a thirteenth pin of the super capacitor bank charge-discharge controller U1, and the other end of the resistor R17 is grounded.
Further, the standby power supply charge-discharge module further comprises an inductor L4 and a resistor R15;
one end of the inductor L4 is electrically connected with the twentieth pin and the twenty-first pin of the charge-discharge controller U1 of the super capacitor bank, and the other end of the inductor L4 is electrically connected with the sixteenth pin and the seventeenth pin of the charge-discharge controller U1 of the super capacitor bank;
one end of the resistor R15 is electrically connected with a tenth pin of the charge-discharge controller U1 of the super capacitor bank, and the other end of the resistor R15 is grounded.
From the above description, the function of the module is to control the charging and discharging functions of the two super capacitors, to realize seamless switching between the commercial power and the standby power, and to improve the service life of the super capacitors. U1 is super capacitor group charge-discharge control IC, and C1 is paster ceramic capacitor for stabilizing power input and output voltage, improve system operating stability. The resistor R11 and the resistor R12 are used for regulating the output stable voltage. The resistor R1 and the resistor R2 are used for adjusting the series output voltage of the super capacitor C5 and the super capacitor C6. The resistor R16 and the resistor R17 are used for dividing voltage to enable the voltage value to be higher than an IC rising threshold value, the IC is configured to be charged for the super capacitor bank in a charger mode, and R15 is configured to be charged with the charging current.
R13 and R14 are pull-up resistors for providing voltage bias to the first pin of U1 and the second pin of U2 for open drain output. The resistor R10 and the resistor R4 are used for configuring the trigger threshold of the internal comparator, and the C4 is a filter capacitor, so that the stability of the voltage input into the internal comparator can be improved. The resistor R3 and the capacitor C3 constitute an RC filter.
Further, the power supply circuit comprises a voltage stabilizing chip IC1, a common mode choke coil L1, a diode D1, a voltage stabilizing tube D2, a fuse F1, a power supply interface DC1, a voltage dependent resistor R5, a resistor R8, a capacitor C22, a capacitor C23 and a capacitor C27;
a first pin of the power interface DC1 is electrically connected with one end of a fuse F1, the other end of the fuse F1 is electrically connected with one end of a piezoresistor R5, one end of a voltage-regulator tube D2 and an anode of a diode D1 respectively, the other end of the piezoresistor D2 is electrically connected with one end of a resistor R8, one end of a capacitor C27, the other end of the voltage-regulator tube D2 and a second pin of the common mode choke coil L1 respectively, the other end of the resistor R8 and the other end of the capacitor C27 are grounded, and the anode of the diode D1 is electrically connected with the first pin of the common mode choke coil L1; the fourth pin of the common mode choke coil L1 is electrically connected to one end of the capacitor C22, one end of the capacitor C23, and the fourth pin and the fifth pin of the voltage stabilization chip IC1, respectively, and the third pin of the common mode choke coil L1 is electrically connected to the other end of the capacitor C22 and the other end of the capacitor C23, respectively.
Further, the power supply circuit further comprises a magnetic bead L2, an inductor L3, a diode D3, a light emitting diode D4, a resistor R6, a resistor R7, a resistor R9, a capacitor C21, a capacitor C24, a capacitor C25 and a capacitor C26;
a sixth pin of the voltage stabilizing chip IC1 is electrically connected with one end of a capacitor C21, one end of an inductor L3 and a cathode of a diode D3 respectively, the other end of the capacitor C21 is electrically connected with a first pin of the voltage stabilizing chip IC1, and an anode of the diode D3 is grounded;
the other end of the inductor L3 is electrically connected with one end of a resistor R7, one end of a capacitor C24, one end of a capacitor C25, one end of a capacitor C26 and one end of a magnetic bead L2 respectively, the other end of the resistor R7 is electrically connected with a third pin of the voltage stabilizing chip IC1, one end of a resistor R9 and the other end of the capacitor C24 respectively, the other end of the resistor R9 is grounded, and the other end of the capacitor C25 and the other end of the capacitor C26 are grounded;
the other end of the magnetic bead L2 is electrically connected with one end of a resistor R6, the other end of the resistor R6 is connected with the anode of the light-emitting diode D4, and the cathode of the light-emitting diode D4 is grounded.
From the above description, the function of this module is to convert the higher dc voltage input into the voltage value required in the system; DC1 is a power interface through which an external power is input. The fuse F1, the piezoresistor R5 and the diode D2 form a protection circuit; the resistor R8 and the capacitor C27 form an ESD leakage protection circuit to prevent the equipment from being damaged when the equipment is subjected to electrostatic interference. The D1 diode plays a role in power supply reverse-connection prevention protection. L1 is a common mode choke coil, and plays a role in suppressing common mode interference signals input and output by the power supply. C22, C23, C26 and C25 are filter capacitors and play a role in stabilizing a system power supply and filtering interference of high-frequency signals. The voltage stabilizing chip IC1, the diode D3, the inductor L3, the resistor R7, the resistor R9, the capacitor C21 and the capacitor C24 form a DC-DC voltage reduction conversion circuit, wherein the C21 is used for IC1 internal feedback, and the C24 is used for voltage reference alternating current feedback, so that the voltage stability output by the DC-DC circuit can be effectively improved. L2 is a magnetic bead and plays a role of suppressing high-frequency signals in a circuit. And the R6 and the D4 form an indicator light circuit, and the indicator light circuit is lightened after the system is electrified to play an indicating role.
The utility model provides a pair of marginal thing allies oneself with fuses theory of operation of terminal circuit does:
in the power supply module, a voltage stabilizing chip IC1, a diode D3, an inductor L3, a resistor R7, a resistor R9, a capacitor C21 and a capacitor C24 form a DC-DC voltage step-down conversion circuit to convert the input higher direct current voltage into a 3.3V voltage value and supply power to an external charging and discharging module of an internet of things and a standby power supply;
when the external input voltage is abnormal, the super capacitor group charge-discharge controller U1 in the standby power supply charge-discharge module compares the input voltage, when the input voltage value is lower than the charge rising threshold value of the super capacitor group charge-discharge controller U1, the super capacitor group charge-discharge controller U1 stops charging the super capacitor C5 and the super capacitor C6, and the super capacitor is changed into a discharge state to supply power to the peripheral internet of things fusion terminal.
Referring to fig. 1 to fig. 2, a first embodiment of the present invention is:
a marginal Internet of things fusion terminal circuit comprises a power supply module, a standby power supply charge-discharge module, a super capacitor C5 and a super capacitor C6; the standby power supply charge-discharge module comprises a super capacitor group charge-discharge controller U1; one end of the super capacitor C5 is electrically connected with one end of the super capacitor C6 to form a super capacitor group, the charge and discharge controller U1 of the super capacitor group is electrically connected with one end of the super capacitor group, and the other end of the super capacitor group is grounded; the power module is electrically connected with the standby power supply charge-discharge module, and the power module and the standby power supply charge-discharge module are electrically connected with the rear-stage circuit module respectively. The capacitance value of the super capacitor C5 is 10F, the capacitance value of the super capacitor C6 is 10F, and the type of the super capacitor group charging and discharging controller U1 is LTC3110IFE.
In this embodiment, the standby power supply charging and discharging module further includes a resistor R1, a resistor R2, a resistor R4, a resistor R10, a resistor R13, a resistor R14, a capacitor C2, a capacitor C4, a capacitor C1, a capacitor C3, a resistor R11, a resistor R12, a resistor R16, a resistor R17, an inductor L4, and a resistor R15.
The resistance value of the resistor R1 is 523K Ω, the resistance value of the resistor R2 is 1.91M Ω, the resistance value of the resistor R4 is 523K Ω, the resistance value of the resistor R10 is 1.91M Ω, the resistance value of the resistor R13 is 1M Ω, the resistance value of the resistor R14 is 1M Ω, the capacitance value of the capacitor C2 is 1uF, the resistance value of the capacitor C4 is 100nF, the resistance value of the capacitor C1 is 47uF, the resistance value of the capacitor C3 is 220uF, the resistance value of the resistor R3 is 51.1 Ω, the resistance value of the resistor R11 is 221K Ω, the resistance value of the resistor R12 is 976K Ω, the resistance value of the resistor R16 is 604K Ω, the resistance value of the resistor R17 is 1M Ω, the parameter of the inductor L4 is 1.5uH, and the resistance value of the resistor R15 is 6.04K Ω.
In this embodiment, the power circuit includes a voltage regulator chip IC1, a common mode choke coil L1, a diode D1, a voltage regulator tube D2, a fuse F1, a power interface DC1, a voltage dependent resistor R5, a resistor R8, a capacitor C22, a capacitor C23, a capacitor C27, a magnetic bead L2, an inductor L3, a diode D3, a light emitting diode D4, a resistor R6, a resistor R7, a resistor R9, a capacitor C21, a capacitor C24, a capacitor C25, and a capacitor C26;
the type of the voltage-stabilizing chip IC1 is ETA2842, the type of the common-mode choke coil L1 is ACP3225-501, the type of the diode D1 is 1N4007, the type of the voltage-stabilizing tube D2 is SMBJ33CA FUSE F1, the type of the power interface DC1 is DC-Socket, the type of the voltage-sensitive resistor R5 is 07D330K, the resistance value of the resistor R8 is 1M omega, the capacitance value of the capacitor C22 is 1000uF/50V, the capacitance value of the capacitor C23 is 100nF, the capacitance value of the capacitor C27 is 10nF, the resistance value of the magnetic bead L2 is 600 omega, the parameter of the inductor L3 is 10uH, the type of the diode D3 is SS24, the type of the light-emitting diode D4 is 0603, the resistance value of the resistor R6 is 4.7K, the resistance value of the resistor R7 is 68K omega, the resistance value of the resistor R9 is 22K, the capacitance value of the capacitor C21 is 10nF, the capacitance value of the capacitor C24 is 10nF, the capacitance value of the capacitor C25 nF is 100 uV/470 nF.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (6)

1. A marginal Internet of things fusion terminal circuit is characterized by comprising a power supply module, a standby power supply charge-discharge module, a super capacitor C5 and a super capacitor C6;
the standby power supply charge-discharge module comprises a super capacitor group charge-discharge controller U1;
one end of the super capacitor C5 is electrically connected with one end of the super capacitor C6, the super capacitor group charge-discharge controller U1 is electrically connected with the other end of the super capacitor C5, and the other end of the super capacitor C6 is grounded;
the power supply module is electrically connected with the standby power supply charge-discharge module, and the power supply module and the standby power supply charge-discharge module are respectively and electrically connected with the peripheral internet of things integration terminal.
2. The edge internet-of-things fusion terminal circuit according to claim 1, wherein the standby power supply charge-discharge module further comprises a resistor R1, a resistor R2, a resistor R4, a resistor R10, a resistor R13, a resistor R14, a capacitor C2 and a capacitor C4;
one end of the capacitor C2 is electrically connected with one end of the capacitor C5, the other end of the capacitor C2 is grounded, one end of the resistor R2 is electrically connected with one end of the capacitor C5, the other end of the resistor R2 is respectively electrically connected with a fifth pin of the super capacitor group charge-discharge controller U1 and one end of the resistor R1, and the other end of the resistor R1 is grounded;
one end of the resistor R10 is electrically connected with one end of the capacitor C5, the other end of the resistor R10 is electrically connected with a fourth pin of the super capacitor group charge-discharge controller U1, one end of the resistor R4 and one end of the capacitor C4 respectively, and the other end of the resistor R4 and the other end of the capacitor C4 are grounded;
one end of the resistor R13 is electrically connected with one end of the resistor R14 and an external 3.3V power supply respectively, the other end of the resistor R13 is electrically connected with a first pin of the super capacitor bank charge-discharge controller U1, and the other end of the resistor R14 is electrically connected with a second pin of the super capacitor bank charge-discharge controller U1.
3. The edge internet-of-things fusion terminal circuit according to claim 1, wherein the backup power charge-discharge module further comprises a capacitor C1, a capacitor C3, a resistor R11, a resistor R12, a resistor R16, and a resistor R17;
one end of the capacitor C1 is respectively and electrically connected with a third pin, an eighth pin, a thirteenth pin and a fifteenth pin of the super capacitor group charge-discharge controller U1 and an external 3.3V power supply;
one end of the capacitor C3 is electrically connected with one end of the resistor R3 and a twelfth pin of the super capacitor bank charge-discharge controller U1 respectively, the other end of the resistor R3 is electrically connected with a thirteenth pin of the super capacitor bank charge-discharge controller U1, and the other end of the capacitor C3 is grounded;
one end of the resistor R12 is electrically connected with one end of the resistor R11 and a ninth pin of the super capacitor bank charge-discharge controller U1, the other end of the resistor R12 is electrically connected with a thirteenth pin of the super capacitor bank charge-discharge controller U1, and the other end of the resistor R11 is grounded;
one end of the resistor R16 is electrically connected with one end of the resistor R17 and a seventh pin of the super capacitor bank charge-discharge controller U1, the other end of the resistor R16 is electrically connected with a thirteenth pin of the super capacitor bank charge-discharge controller U1, and the other end of the resistor R17 is grounded.
4. The edge internet of things fusion terminal circuit according to claim 1, wherein the standby power supply charge-discharge module further comprises an inductor L4 and a resistor R15;
one end of the inductor L4 is electrically connected with a twentieth pin and a twenty-first pin of the super capacitor group charge-discharge controller U1 respectively, and the other end of the inductor L4 is electrically connected with a sixteenth pin and a seventeenth pin of the super capacitor group charge-discharge controller U1 respectively;
one end of the resistor R15 is electrically connected with a tenth pin of the super capacitor group charge-discharge controller U1, and the other end of the resistor R15 is grounded.
5. The edge internet-of-things fusion terminal circuit according to claim 1, wherein the power circuit comprises a voltage-stabilizing chip IC1, a common mode choke coil L1, a diode D1, a voltage-stabilizing tube D2, a fuse F1, a power interface DC1, a voltage-dependent resistor R5, a resistor R8, a capacitor C22, a capacitor C23 and a capacitor C27;
a first pin of the power interface DC1 is electrically connected with one end of a fuse F1, the other end of the fuse F1 is electrically connected with one end of a piezoresistor R5, one end of a voltage-regulator tube D2 and an anode of a diode D1 respectively, the other end of the piezoresistor D2 is electrically connected with one end of a resistor R8, one end of a capacitor C27, the other end of the voltage-regulator tube D2 and a second pin of a common mode choke coil L1 respectively, the other end of the resistor R8 and the other end of the capacitor C27 are grounded, and an anode of the diode D1 is electrically connected with a first pin of the common mode choke coil L1; the fourth pin of the common mode choke coil L1 is electrically connected to one end of the capacitor C22, one end of the capacitor C23, and the fourth pin and the fifth pin of the voltage stabilization chip IC1, respectively, and the third pin of the common mode choke coil L1 is electrically connected to the other end of the capacitor C22 and the other end of the capacitor C23, respectively.
6. The edge internet-of-things fusion terminal circuit according to claim 5, wherein the power circuit further comprises a magnetic bead L2, an inductor L3, a diode D3, a light emitting diode D4, a resistor R6, a resistor R7, a resistor R9, a capacitor C21, a capacitor C24, a capacitor C25 and a capacitor C26;
a sixth pin of the voltage stabilizing chip IC1 is respectively electrically connected with one end of a capacitor C21, one end of an inductor L3 and a cathode of a diode D3, the other end of the capacitor C21 is electrically connected with a first pin of the voltage stabilizing chip IC1, and an anode of the diode D3 is grounded;
the other end of the inductor L3 is electrically connected with one end of a resistor R7, one end of a capacitor C24, one end of a capacitor C25, one end of a capacitor C26 and one end of a magnetic bead L2 respectively, the other end of the resistor R7 is electrically connected with a third pin of the voltage stabilizing chip IC1, one end of a resistor R9 and the other end of the capacitor C24 respectively, the other end of the resistor R9 is grounded, and the other end of the capacitor C25 and the other end of the capacitor C26 are grounded;
the other end of the magnetic bead L2 is electrically connected with one end of a resistor R6, the other end of the resistor R6 is connected with the anode of the light-emitting diode D4, and the cathode of the light-emitting diode D4 is grounded.
CN202222426615.3U 2022-09-14 2022-09-14 Edge thing allies oneself with fuses terminal circuit Active CN218888162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222426615.3U CN218888162U (en) 2022-09-14 2022-09-14 Edge thing allies oneself with fuses terminal circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222426615.3U CN218888162U (en) 2022-09-14 2022-09-14 Edge thing allies oneself with fuses terminal circuit

Publications (1)

Publication Number Publication Date
CN218888162U true CN218888162U (en) 2023-04-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222426615.3U Active CN218888162U (en) 2022-09-14 2022-09-14 Edge thing allies oneself with fuses terminal circuit

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Country Link
CN (1) CN218888162U (en)

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