CN112909886A - Reclosing controller with touch interaction mode - Google Patents

Reclosing controller with touch interaction mode Download PDF

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Publication number
CN112909886A
CN112909886A CN202110108120.3A CN202110108120A CN112909886A CN 112909886 A CN112909886 A CN 112909886A CN 202110108120 A CN202110108120 A CN 202110108120A CN 112909886 A CN112909886 A CN 112909886A
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CN
China
Prior art keywords
module
resistor
reclosing
port
rectifier
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Pending
Application number
CN202110108120.3A
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Chinese (zh)
Inventor
陈建余
张绪
金锡碧
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Zhejiang Hangdu Technology Co ltd
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Zhejiang Hangdu Technology Co ltd
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Priority to CN202110108120.3A priority Critical patent/CN112909886A/en
Publication of CN112909886A publication Critical patent/CN112909886A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/06Details with automatic reconnection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/027Details with automatic disconnection after a predetermined time

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  • Emergency Protection Circuit Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a reclosing controller with a touch interaction mode, which comprises a touch screen, a touch screen controller, a communication interface, a power supply circuit, a microprocessor MCU (microprogrammed control Unit) control module, a data storage module, a display module, an alarm module, an electric leakage detection module, a driving module, a reclosing control module, a circuit breaker, a power grid, a voltage transformer module and a current transformer module, wherein the touch screen is used for sending instructions and receiving data to the microprocessor MCU control module through the communication interface, the voltage transformer module, the electric leakage detection module and the current transformer module are used for detecting the reclosing circuit breaker and the power grid, the data storage module is used for recording and extracting data, and the display module is used for displaying data in a short distance. The reclosing controller with the touch interaction mode monitors the reclosing circuit breaker in a touch screen mode, is convenient to use, and is detected, protected and controlled by the microprocessor, so that a circuit is safer, more reliable and more intelligent.

Description

Reclosing controller with touch interaction mode
Technical Field
The invention relates to the field of electric power, in particular to a reclosing controller with a touch interaction mode.
Background
Along with the rapid development of power electronics, the application of power equipment in life becomes an indispensable part in the world at present, the quality of power supply and the stability and safety of power supply are also necessary guarantees for normal life of people, in order to adapt to the development of power enterprises, a reclosing circuit breaker is frequently used on a power grid or power utilization equipment, and the on-off of a main power supply is realized through the cooperation with a reclosing controller, so that the safety of people and equipment is guaranteed.
Disclosure of Invention
The present invention is directed to a reclosing controller with a touch interaction mode, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a reclosing controller with touch interaction mode, includes the touch-sensitive screen, the touch-sensitive screen controller, communication interface, power supply circuit, microprocessor MCU control module, data storage module, display module, alarm module, electric leakage detection module, drive module, reclosing lock control module, the circuit breaker, the electric wire netting, voltage transformer module, current transformer module, the touch-sensitive screen is used for sending the instruction and receiving data microprocessor MCU control module through communication interface, and voltage transformer module, electric leakage detection module and current transformer module are used for the detection to reclosing lock circuit breaker and electric wire netting, and data storage module is used for the record and draws data, and display module is used for closely showing data.
As a further technical scheme of the invention: the touch-sensitive screen passes through the SPI three-wire control connection communication interface of touch-sensitive screen controller, microprocessor MCU control module passes through the clock line SLCK of SPI interface, the SPI interface of communication interface is connected to data input line MDI and data output line MDO, power module connects microprocessor MCU control module's power end, microprocessor MCU control module's IO mouth is connected the electric leakage detection circuit, voltage transformer module, current transformer module, display module and alarm module, microprocessor MCU control module's Reading (RD) end and Writing (WR) end are connected to data storage module, microprocessor MCU control module's control end connection drive module, drive module connects circuit breaker and electric wire netting through reclosing lock control module.
As a further technical scheme of the invention: the current transformer module collects alternating current signals through a current transformer U1, a primary end of the current transformer U1 is connected with a circuit breaker QF, a secondary end of the current transformer U1 is connected with a cathode of a diode D1, an anode of a diode D2 and a port 1 of a rectifier T1, the other end of a secondary end of the current transformer U1 is connected with an anode of a diode D1, a cathode of a diode D2 and a port 3 of the rectifier T1, a port 4 of the rectifier T1 is connected with an anode of a capacitor C1, a resistor R1 and a resistor R1, a port 2 of the rectifier T1 is connected with the other end of a cathode resistor R1 of the capacitor C1, a same-phase end of the operational amplifier A1, a capacitor C1 and a ground end, the other end of the resistor 2 is connected with an inverting end of the operational amplifier A1, a resistor R1, a potentiometer RP1 and a sliding vane end of the potentiometer RP 72, the other end of the resistor R1 is connected with the other end of the resistor R1 of the capacitor R1, the other end of the potentiometer RP1 is connected with the other end of the potentiometer RP2, and the other end of the resistor R4 is connected with the other end of the capacitor C3 and the ADC end of the microprocessor MCU.
As a further technical scheme of the invention: the voltage transformer module detects a voltage signal by a voltage transformer U2, the voltage transformer and a primary end of the voltage transformer U2 are sequentially connected with a breaker QF by an equal resistance resistor R6 and a resistor R5, the other end of the primary end of the voltage transformer U2 is connected with the other end of a breaker U2, a secondary end of the voltage transformer U2 is connected with a cathode of a diode D3, an anode of a diode D4, a resistor R7 and a port 1 of a rectifier T2, the other end of a secondary end of the voltage transformer U2 is connected with an anode of the diode D3 and a cathode of a diode D4, the other end of the resistor R7 is connected with a port 3 and a ground end of a rectifier T2, a port 4 of the rectifier T2 is connected with a non-inverting end of the operational amplifier A2, a port 2 of the rectifier T2 is connected with an inverting end of the operational amplifier A2, the resistor R9 and the capacitor C4 through R8, and the output end of the operational amplifier A2 is connected with the other end of the resistor R9, the other end of the capacitor C4 and an ADC end of the microprocessor MCU.
As a further technical scheme of the invention: the leakage detection module senses whether voltage is output or not by a current transformer TA, the current transformer TA is connected with a resistor R11, a capacitor C6 and a control electrode of a transistor SCR, the other end of the current transformer TA is connected with the other end of a resistor R11, the other end of the capacitor C6, a port 2 of a rectifier T3, an anode of a diode D5 and a relay K1, the other end of the relay K1 is connected with a cathode of a diode D5 and the transistor SCR, the other end of the transistor SCR is connected with a port 4 of a rectifier T3, a port 3 of the rectifier T3 is connected with an N end of commercial power, a port 1 of the rectifier T3 is connected with a resistor R10 and a capacitor C5, the other end of the capacitor C5 and the other end of the resistor R10 are connected with an L end of the commercial power, the commercial power RL is connected through the internal load of the current transformer TA, a contact switch K1-1 is connected with a resistor R63, the other end of the contact switch K1-1 is connected to ground.
As a further technical scheme of the invention: the four-wire resistive touch screen is selected as the touch screen, the XPT2046 gradual approximation type A/D converter is selected as the touch controller, and a client can remotely monitor various index conditions of the reclosing breaker through the touch screen.
As a further technical scheme of the invention: and the display module displays various index conditions of the reclosing breaker on site through a liquid crystal display screen.
As a further technical scheme of the invention: the microprocessor MCU adopts a singlechip STC15W404AS chip.
As a further technical scheme of the invention: and the data storage module selects an external expansion memory FLASH and accesses the related data through the external expansion memory FLASH.
As a further technical scheme of the invention: the operational amplifier A1-A2 selects an LM358 operational amplifier.
Compared with the prior art, the invention has the beneficial effects that: the reclosing controller with the touch interaction mode monitors the reclosing circuit breaker in a touch screen mode, is convenient to use, and is detected, protected and controlled by the microprocessor, so that a circuit is safer, more reliable and more intelligent.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of the present invention.
Fig. 2 is a circuit diagram of a current transformer module according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a voltage transformer module of an embodiment of the present invention.
Fig. 4 is a circuit diagram of a leakage detection module according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1, a reclosing controller with a touch interaction mode includes a touch screen, a touch screen controller, a communication interface, a power circuit, a microprocessor MCU control module, a data storage module, a display module, an alarm module, an electric leakage detection module, a driving module, a reclosing control module, a circuit breaker, a power grid, a voltage transformer module, a current transformer module, wherein the touch screen is used for sending commands and receiving data to the microprocessor MCU control module through the communication interface, the voltage transformer module, the electric leakage detection module and the current transformer module are used for detecting the reclosing circuit breaker and the power grid, the data storage module is used for recording and extracting data, the display module is used for displaying data at a short distance, the touch screen is connected with the communication interface through the SPI three-wire control of the touch screen controller, and the microprocessor MCU control module is connected with the communication interface through the clock wires SLCK, The communication interface's SPI interface is connected to data input line MDI and data output line MDO, power module connects microprocessor MCU control module's power end, the electric leakage detection circuitry is connected to microprocessor MCU control module's IO mouth, the voltage transformer module, the current transformer module, display module and alarm module, microprocessor MCU control module's Reading (RD) end and Writing (WR) end are connected to data storage module, microprocessor MCU control module's control end connection drive module, drive module passes through reclosing lock control module and connects circuit breaker and electric wire netting.
Example 2: on the basis of embodiment 1, referring to fig. 2, the current transformer module collects an ac current signal from a current transformer U1, a primary end of the current transformer U1 is connected to a circuit breaker QF, a secondary end of the current transformer U1 is connected to a cathode of a diode D1, an anode of a diode D2 and a port 1 of a rectifier T1, another end of a secondary end of the current transformer U1 is connected to an anode of a diode D1, a cathode of a diode D2 and a port 3 of a rectifier T1, a port 4 of a rectifier T1 is connected to an anode of a capacitor C1, a resistor R1 and a resistor R2, a port 2 of a rectifier T1 is connected to the other end of a negative resistance R1 of the capacitor C1, a non-phase end of the operational amplifier a1, a capacitor C1 and a ground, another end of the resistor 2 is connected to an inverting end of the operational amplifier a1, the resistor R1, the potentiometer RP 72, the slider 1 of the operational amplifier a1, the output end of the operational amplifier a RP1 is connected to the resistor R1, the other end of the resistor R3 is connected with the other end of the capacitor C2, the other end of the potentiometer RP1 is connected with the other end of the potentiometer RP2, the other end of the resistor R4 is connected with the other end of the capacitor C3 and an ADC end of the microprocessor MCU, the voltage transformer module detects a voltage signal through a voltage transformer U2, the voltage transformer is characterized in that a primary end of the voltage transformer U2 is connected with a breaker QF through an equal resistance resistor R6 and a resistor R5 in sequence, the other end of a primary end of the voltage transformer U9 is connected with the other end of a breaker U2, a secondary end of the voltage transformer U2 is connected with a cathode of a diode D3, an anode of a diode D4, a resistor R7 and a port 1 of a rectifier T2, the other end of a secondary end of the voltage transformer U2 is connected with an anode of the diode D3, a cathode of the diode D3, a port 3 and a ground end of the other end of the rectifier T3, a port 4 of the rectifier T3 is connected with a same-phase port of an, A resistor R9 and a capacitor C4, wherein the output end of an operational amplifier A2 is connected with the other end of a resistor R9, the other end of a capacitor C4 and the ADC end of the microprocessor MCU, a leakage detection module senses whether voltage is output by a current transformer TA, the current transformer TA is connected with a resistor R11, a capacitor C6 and the control electrode of a transistor SCR, the other end of the current transformer TA is connected with the other end of a resistor R11, the other end of a capacitor C6, a port 2 of a rectifier T3, the anode of a diode D5 and a relay K1, the other end of a relay K1 is connected with the cathode of a diode D5 and the transistor SCR, the other end of the transistor SCR is connected with a port 4 of a rectifier T3, a port 3 of the rectifier T3 is connected with the N end of commercial power, a port 1 of the rectifier T3 is connected with a resistor R10 and a capacitor C5, the other end of a capacitor C5 and the other, the contact switch K1-1 is connected with the resistor R12 and the I/O port of the microprocessor MCU, the other end of the resistor R12 is connected with +5V voltage, and the other end of the contact switch K1-1 is connected with the ground end.
The working principle of the invention is as follows: before the circuit starts to operate, the microprocessor MCU is initialized and relevant software programs are recorded, after the circuit is electrified, the microprocessor MCU monitors the current and the voltage of the circuit in real time through a current transformer and a voltage transformer, the comprehensive intelligent control of a power grid and reclosing is realized, when the conditions of overvoltage, current overload fault, short-circuit fault, leakage fault and the like of the power grid or electric equipment are detected, the circuit automatically carries out reclosing operation through the cooperation of a reclosing controller and a reclosing circuit breaker, wherein the time for delaying switching-on and switching-off is set in the microprocessor MCU, the circuit breaker can be switched off only when the voltage is abnormal and the set switching-off delay time is reached, the circuit voltage is recovered to be normal and reaches the switching-on time of the circuit breaker, and when the instantaneous fault is detected, the reclosing controller detects that the power grid is normal, the microprocessor MCU sends a switching-on instruction to the driving module, switching-on processing is carried out on switching-on, when the permanent fault occurs, the microprocessor MCU controls the driving module to accelerate switching-off of the circuit breaker, data in the process are stored in an external expansion memory FLASH, fault time recording is carried out on the condition of the fault through a clock circuit, the communication module transmits to the user side, and the user can select and check through the touch screen.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. A reclosing controller with a touch interaction mode comprises a touch screen, a touch screen controller, a communication interface, a power supply circuit, a microprocessor MCU control module, a data storage module, a display module, an alarm module, an electric leakage detection module, a driving module, a reclosing control module, a circuit breaker, an electric network, a voltage transformer module and a current transformer module, and is characterized in that the touch screen is connected with the communication interface through SPI three-wire control of the touch screen controller, the microprocessor MCU control module is connected with the SPI interface of the communication interface through a clock line SLCK, a data input line MDI and a data output line MDO of the SPI interface, the power supply module is connected with the power supply end of the microprocessor MCU control module, an I/O port of the microprocessor MCU control module is connected with the electric leakage detection circuit, the voltage transformer module, the current transformer module, the display module and the alarm module, the data storage module is connected with a Read (RD) end and a Write (WR) end of the microprocessor MCU control module, the control end of the microprocessor MCU control module is connected with the driving module, and the driving module is connected with the circuit breaker and the power grid through the reclosing control module.
2. The reclosure controller with touch interaction mode according to claim 1, wherein the current transformer module collects alternating current signals from a current transformer U1, a primary end of the current transformer U1 is connected with a breaker QF, a secondary end of the current transformer U1 is connected with a cathode of a diode D1, an anode of a diode D2 and a port 1 of a rectifier T1, the other end of a secondary end of the current transformer U1 is connected with an anode of a diode D1, a cathode of a diode D2 and a port 3 of a rectifier T1, a port 4 of a rectifier T1 is connected with an anode of a capacitor C1, a resistor R1 and a resistor R2, a port 2 of the rectifier T1 is connected with the other end of a cathode resistor R9 of a capacitor C1, an in-phase end of an operational amplifier a1, a capacitor C3 and a ground, the other end of a resistor T5732 is connected with an inverting end of an operational amplifier a1, a resistor R3, a potentiometer RP1 and a slider end of a potentiometer RP 6867, and an output end of an operational amplifier R87458 is connected with, The other end of the resistor R3 is connected with the other end of the capacitor C2, the other end of the potentiometer RP1 is connected with the other end of the potentiometer RP2, and the other end of the resistor R4 is connected with the other end of the capacitor C3 and the ADC end of the microprocessor MCU.
3. The reclosing controller with touch interaction mode according to claim 2, wherein the voltage transformer module detects a voltage signal by a voltage transformer U2, the voltage transformer, a primary end of the voltage transformer U2 is connected with a breaker QF through an equal resistance resistor R6 and a resistor R5 in sequence, the other end of the primary end of the voltage transformer U2 is connected with the other end of the breaker U2, a secondary end of the voltage transformer U2 is connected with a cathode of a diode D3, an anode of a diode D4, a resistor R7 and a port 1 of a rectifier T2, the other end of a secondary end of the voltage transformer U2 is connected with an anode of a diode D3, a cathode of a diode D4, a port 3 of a rectifier T2 and a ground at the other end of a resistor R7, a port 4 of a rectifier T2 is connected with an equal phase end of an operational amplifier A2, a port 2 of the rectifier T2 is connected with an inverting end of the operational amplifier A2, a resistor R9 and a capacitor C4, the output end of the operational amplifier A2 is connected with the other end of the resistor R9, the other end of the capacitor C4 and the ADC end of the microprocessor MCU.
4. The reclosing controller with touch interaction mode according to claim 3, wherein the leakage detecting module senses whether there is a voltage output from a current transformer TA, the current transformer TA connects a resistor R11, a capacitor C6 and a control electrode of a transistor SCR, the other end of the current transformer TA connects the other end of a resistor R11, the other end of a capacitor C6, a port 2 of a rectifier T3, an anode of a diode D5 and a relay K1, the other end of the relay K1 connects a cathode of a diode D5 and the transistor SCR, the other end of the transistor SCR connects a port 4 of a rectifier T3, a port 3 of the rectifier T3 connects an N terminal of the commercial power, a port 1 of the rectifier T3 connects the resistor R10 and a capacitor C5, the other end of the capacitor C5 and the other end of the resistor R10 connect an L terminal of the commercial power, the commercial power connects a load RL through the current transformer TA, a contact switch K1-1 connects the resistor R12 and an I/O port of the microprocessor, the other end of the resistor R12 is connected with +5V voltage, and the other end of the contact switch K1-1 is connected with the ground end.
5. The reclosing controller with touch interaction mode as claimed in claim 4, wherein the touch screen is a four-wire resistive touch screen, the touch controller is an XPT2046 gradual approximation type A/D converter, and a customer can remotely monitor various index conditions of the reclosing circuit breaker through the touch screen.
6. The reclosing controller with touch interaction mode according to claim 5, wherein the display module displays the index conditions of the reclosing circuit breaker on site through a liquid crystal display screen.
7. The reclosing controller with touch interaction according to claim 6, wherein the microprocessor MCU is a single chip microcomputer STC15W404AS chip.
8. The reclosing controller with touch interaction mode according to claim 1, wherein the data storage module selects an external expansion memory FLASH and accesses the relevant data through the external expansion memory FLASH.
9. The reclosing controller with touch interaction of claim 3, wherein the operational amplifier A1-A2 is LM358 operational amplifier.
CN202110108120.3A 2021-01-27 2021-01-27 Reclosing controller with touch interaction mode Pending CN112909886A (en)

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CN202110108120.3A CN112909886A (en) 2021-01-27 2021-01-27 Reclosing controller with touch interaction mode

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Application Number Priority Date Filing Date Title
CN202110108120.3A CN112909886A (en) 2021-01-27 2021-01-27 Reclosing controller with touch interaction mode

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2227840Y (en) * 1994-10-21 1996-05-22 董飞 Current sneaking-proof device for electrometer
CN101431851A (en) * 2008-10-30 2009-05-13 安徽长远绿色能源有限公司 D/A signal superposition feedback circuit
CN102522731A (en) * 2011-11-30 2012-06-27 日升集团有限公司 Intelligent reclosing controller
CN104362580A (en) * 2014-10-17 2015-02-18 温州大学 Permanent magnet type double-breakpoint residual current reclose switch
CN205003262U (en) * 2015-08-24 2016-01-27 深圳市赋安安全系统有限公司 Fire control device power detection device
CN107832249A (en) * 2017-10-29 2018-03-23 北京联合大学 The system and method that three lines are realized and communicated with SPI interface peripheral hardware
CN108134365A (en) * 2018-02-05 2018-06-08 国网河南省电力公司新乡供电公司 A kind of distribution line Intelligent recloser device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2227840Y (en) * 1994-10-21 1996-05-22 董飞 Current sneaking-proof device for electrometer
CN101431851A (en) * 2008-10-30 2009-05-13 安徽长远绿色能源有限公司 D/A signal superposition feedback circuit
CN102522731A (en) * 2011-11-30 2012-06-27 日升集团有限公司 Intelligent reclosing controller
CN104362580A (en) * 2014-10-17 2015-02-18 温州大学 Permanent magnet type double-breakpoint residual current reclose switch
CN205003262U (en) * 2015-08-24 2016-01-27 深圳市赋安安全系统有限公司 Fire control device power detection device
CN107832249A (en) * 2017-10-29 2018-03-23 北京联合大学 The system and method that three lines are realized and communicated with SPI interface peripheral hardware
CN108134365A (en) * 2018-02-05 2018-06-08 国网河南省电力公司新乡供电公司 A kind of distribution line Intelligent recloser device

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Application publication date: 20210604

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