CN116301103A - Intelligent household electrical appliances cooling system based on WIFI communication technology - Google Patents

Abstract

The invention discloses an intelligent household appliance cooling system based on a WIFI communication technology, and relates to a household appliance cooling system, wherein an indoor cooling appliance is controlled by a received control signal through the wireless remote communication technology of WIFI, so that an intelligent cooling effect is achieved; the indoor temperature is acquired and converted into corresponding digital signals to be transmitted to the main control chip module, so that intelligent control is helped to be detected; the voltage regulator between the voltage regulating module main control chip module and the temperature measuring module, the voltage regulator between the cooling module and the main control chip module and the like, the communication module is connected with the output of the main control chip based on the WIFI module, the main control chip module is connected with devices such as household appliances and the like through the WIFI communication module, the mutual data interaction is realized, the household appliance control information is connected to the mobile phone software, and the remote intelligent control of the household appliances can be realized through the WIFI communication module.

Description

Intelligent household electrical appliances cooling system based on WIFI communication technology

Technical Field

The invention relates to a household appliance cooling system, in particular to an intelligent household appliance cooling system based on a WIFI communication technology.

Background

Along with the trend of human society into the era of digitalization and informatization, the intelligent life becomes the main direction of future development, and the intelligent life is gradually filled in every corner of people's daily life, so that people can fully feel the convenience and comfort brought by the intelligent life.

In the continuous updating of intelligent household appliances, the pursuit of people on comfortable life is earliest in temperature control, in order to enable the indoor temperature to provide a comfortable and stable working environment, the temperature in a room or a factory is controlled to be at a moderate temperature, and the indoor temperature is increased along with the change of some factors, so that a cooling system is additionally arranged, and the indoor temperature is reduced to be moderate.

In order to further facilitate the resident, the cooling control system can be connected with a network, and the remote control can be realized through WiFi, so that the resident has a comfortable temperature environment when arriving at home, and the resident does not need to start after arriving at home, thereby avoiding the dysphoria caused in the process of waiting for the temperature to be reduced to a moderate level. Meanwhile, when the boiler room in a factory is in a room through a steam pipeline, once leakage occurs, the temperature of the steam can directly scald a person, and the alarm device cannot be installed because the temperature of the steam is too high in the room, so that the steam can be effectively processed when a safety accident occurs, the cooling device is connected with the WiFi to realize remote starting control, and workers can conveniently enter the emergency repair fault point.

The cooling system based on WiFi control can effectively realize remote control of the cooling system, damage to staff caused by high temperature is reduced through intelligent technical means, maintenance risk of technicians is reduced, the technology has a very wide market due to potential value of application, and is also a model of science and technology benefit for human society life, meanwhile, the 51 single-chip microcomputer adopted by the technology is low in price, cost of the technology can be effectively reduced, and a good competition space is provided for technology popularization. The 51 single chip microcomputer has a complete management system, the functions of the bit-based operating system from the internal hardware to the software are complete, the strong compatibility is provided for later maintenance, and the problem of difficult maintenance caused by different use habits of different staff is avoided. Meanwhile, in the on-chip RAM section of the 51 type singlechip, an address section with double functions exists, so that different functions can be directly called when a program is written, the programming difficulty is reduced, and the singlechip can realize more complex functions. The 51 single chip microcomputer also has a very rich data instruction library, compared with the single chip microcomputer of other models, the 51 single chip microcomputer has more rich logic bit operation functions, so that the single chip microcomputer has stronger programmability and developability, and more complex logic operation is executed through a shorter program, so that the logic operation is faster to execute, and the effect is more ideal.

Based on the defects of the prior art, the intelligent cooling system is designed by utilizing the functions of the existing single chip microcomputer.

Disclosure of Invention

The invention aims to provide an intelligent household appliance cooling system based on a WIFI communication technology, which adopts a WIFI communication mode to realize intelligent household cooling, and the WiFi-controlled cooling system can effectively realize remote control of the cooling system, reduce discomfort of a high-temperature household environment to an occupant through an intelligent technical means, and improve the comfort level of a household.

The invention aims at realizing the following technical scheme:

the intelligent household appliance cooling system based on the WIFI communication technology comprises a key and indicator lamp module, a cooling module, a temperature measuring module, a pressure regulating module, a main control chip module and a communication module; the cooling module comprises household cooling appliances, such as a cabinet air conditioner, a central air conditioner, a fan and the like, and controls the indoor cooling appliances through received control signals; the temperature measuring module is connected with the main control chip module to collect and convert the indoor temperature into corresponding digital signals and transmit the digital signals to the main control chip module; the voltage regulating module is used for balancing different devices with different voltages, such as a voltage regulator between the main control chip module and the temperature measuring module, a voltage regulator between the cooling module and the main control chip module, and the like; the communication module is connected with the output of the main control chip based on the WIFI module, and the main control chip module is connected with equipment such as household appliances through the WIFI communication module to realize mutual data interaction and connect household appliance control information to the mobile phone software; the communication module comprises a WIFI communication mode, adopts a WIFI-based communication module with the model of ATK_ESP8266, takes an ATK-ESP-01 chip as a core, converts analog quantity through 22 pins and forms a double channel for data interaction through serial port connection.

The intelligent household appliance cooling system based on the WIFI communication technology comprises an L9110 motor driving module and a fan module of the cooling device; the L9110 motor driving module is a device specially designed for controlling and driving a motor, is provided with a double-channel push-pull type power amplifier integrated circuit element, and integrates a discrete circuit into a single board; and a motor which is controlled by the fan module and rotates in the positive and negative directions drives the fan blades.

The intelligent household appliance cooling system based on the WIFI communication technology comprises a DS18B20 digital thermometer module, wherein the module is provided with a single-wire interface, a power supply and a communication port, and read-write data are transmitted by adopting one wire.

The intelligent household appliance cooling system based on the WIFI communication technology is characterized in that the voltage regulating module is an AMS1117-ADJ voltage regulating chip low-dropout three-terminal voltage stabilizer, and outputs 1A current capacity.

The intelligent household appliance cooling system based on the WIFI communication technology comprises a main control chip module, an AT89C51 singlechip module, a clock circuit module, a reset circuit module, a pull-up resistor module, a download circuit module and a 1602LCD display screen module.

According to the intelligent household appliance cooling system based on the WIFI communication technology, the clock circuit module adopts 12Mhz crystal oscillator, and capacitors are respectively connected to two ends of the clock circuit module to form a parallel oscillation feedback circuit.

The intelligent household appliance cooling system based on the WIFI communication technology is characterized in that the reset circuit module controls the reset of the system, RST of the AT89C51 singlechip module is set to be low level, and the reset of the singlechip is realized.

According to the intelligent household appliance cooling system based on the WIFI communication technology, the pull-up resistor module is connected with resistors through a flat cable to P0 to P7 pin ports of the AT89C51 singlechip module of the system respectively, and the output voltage of 8 pins of the singlechip is pulled up.

The intelligent household appliance cooling system based on the WIFI communication technology is characterized in that the downloading circuit module is connected with the main control chip module and the computer through the USB port.

According to the intelligent household appliance cooling system based on the WIFI communication technology, the 1602LCD display screen module reads, writes and displays through different level states of 16 pins.

The invention has the advantages and effects that:

according to the intelligent household cooling technology based on the WIFI, a communication mode based on the WIFI is adopted, the intelligent household cooling technology is firstly connected to a mobile phone of a user, when the user enters a coverage range of the WIFI, the singlechip receives indoor temperature returned by the temperature sensor, and according to program setting, control signals are transmitted to cooling equipment to cool the indoor in advance. Therefore, the cooling system based on WiFi control can effectively realize remote control of the cooling system, discomfort of a high-temperature household environment to an occupant is reduced through an intelligent technical means, comfort level of the household is improved, harm of the high temperature to staff is reduced through remote control, maintenance risk of technicians is reduced, the technology has a very wide market due to potential value of application, the technology is also a model of technological benefit of human society life, meanwhile, the 51 single-chip microcomputer adopted by the technology is low in price, cost of the technology can be effectively reduced, and a good competition space is provided for technological popularization.

Drawings

FIG. 1 is a schematic diagram of a system;

FIG. 2 is a wiring diagram of a master control chip;

FIG. 3 is a display screen wiring diagram;

FIG. 4 is a download circuit wiring diagram;

FIG. 5 is a wiring diagram of a key and a small light;

FIG. 6 is a wiring diagram of a thermometry module;

fig. 7 is a WIFI module wiring diagram;

FIG. 8 is a diagram of the communication module and the main control chip module data interaction wiring;

FIG. 9 is a diagram of a voltage regulation module configuration;

FIG. 10 is a diagram of the internal structure of the voltage regulating module;

FIG. 11 is an internal structural view of an AMS1117-ADJ chip;

FIG. 12 is a fan module wiring diagram;

fig. 13 is an internal structure diagram of the L9110 chip.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As can be seen from the structure diagram shown in fig. 1, the intelligent cooling system based on WIFI of the present invention mainly includes: a main control chip module 3, a temperature measuring module 1, a communication module 2, a cooling module 4, a voltage regulating module 5 and a key and indicator lamp module based on a singlechip; the main control chip module 3 mainly comprises an AT89C51 single chip microcomputer chip 6, the temperature measuring module 1 is connected with the AT89C51 single chip microcomputer chip 6 in the main control chip module 3 and transmits the measured temperature to the main control chip module 3, the voltage regulating module 5 is connected with the communication module 2 and provides rated voltage for the communication module, the communication module 2 is connected with the main control chip, when the WIFI communication module 2 detects a connection signal, the main control chip module 3 is in communication connection, and the main control chip module 3 is controlled according to program setting; the cooling module 4 is connected to the main control chip module 3, and according to the common feedback of the temperature measurement module 1 and the communication module 2, the main control chip module 3 sends out corresponding control instructions to realize the control of the cooling module 4.

The principle of the invention is that when the WIFI communication module 2 detects communication connection, signals are fed back to the connected main control chip module 3, the main control chip module 3 requests the temperature measurement module 2 to collect temperature data, the temperature measurement module 1 transmits the collected temperature data to the main control chip module 3 in an electric signal mode, the main control chip module 3 judges according to the collected temperature, generates different control signals according to a temperature range preset by a program and transmits the different control signals to the cooling module 4, and the cooling module 4 correspondingly opens different gears according to the corresponding control signals, and when a client enters the coverage range of the WIFI, the intelligent cooling system can be automatically started according to room temperature.

The system of the invention adopts the wireless remote communication technology of WIFI, and comprises a key and indicator lamp module, a cooling module, a temperature measurement module, a voltage regulation module, a main control chip module and a communication module; the key module mainly realizes the starting of basic functions of the main control chip module, provides assistance for subsequent maintenance and parameter change, and is used for representing a working state; the cooling module can comprise various household cooling appliances, such as a cabinet air conditioner, a central air conditioner, a fan and the like, and controls the indoor cooling appliances through the received control signals so as to achieve the effect of intelligent cooling; the temperature measuring module can be connected with the main control chip module to collect and convert the indoor temperature into corresponding digital signals to be transmitted to the main control chip module, so as to help to detect intelligent control; the voltage regulator between the voltage regulating module main control chip module and the temperature measuring module, the voltage regulator between the cooling module and the main control chip module and the like are mainly the problem of different voltages required by balancing different devices; the communication module is connected with the output of the main control chip based on the WIFI module, the main control chip module is connected with devices such as home appliances and the like through the WIFI communication module, mutual data interaction is achieved, home appliance control information is connected to the mobile phone software, and intelligent control of the home appliances can be achieved remotely through the WIFI communication module.

The cooling module comprises an L9110 motor driving module and a fan module of the cooling device;

the L9110 motor driving module is a device specially designed for controlling and driving a motor, is a push-pull type power amplifier integrated circuit element with double channels, integrates a discrete circuit into a single-chip board, reduces the cost of peripheral devices, and improves the reliability of a system;

the motor which is controlled by the fan module and rotates positively and negatively drives the fan blade, so that the rotation condition of the fan blade can be clearly observed, and the display of design results is convenient. The temperature measuring module comprises a DS18B20 digital thermometer module, the module is simple in configuration and has the most unique single-wire interface, and the power supply, the communication port and the read-write data are transmitted by adopting one wire, so that the trouble caused by the interfaces is greatly saved. The temperature measuring module also has the capability of multipoint cooperation temperature measurement, simplifies the difficulty of distributed temperature detection, does not need auxiliary addition of other external elements, and has a more stable structure. The voltage regulating module AMS1117-ADJ voltage regulating chip is a low-dropout three-terminal voltage regulator, has the capability of outputting 1A current, solves the problem of untimely response of low voltage and transient response, reduces the loss of idle work of static current, improves the effective power, and has the following voltage regulating formula:

V _out ＝V _REF (1+R2/R1)+I _ADJ *R2

wherein V is _out Representing the voltage after voltage regulation, V _REF Representing the voltage before voltage regulation, R1 and R2 are respectively two resistors on the voltage regulation module, I _ADJ Is the off-voltage current output from the ADJ port of the voltage regulating chip.

The main control chip module comprises an AT89C51 singlechip module, a clock circuit module, a reset circuit module, a pull-up resistor module, a download circuit module and a 1602LCD display screen module;

the AT89C51 singlechip module has ultrahigh cost performance; the operation of prohibiting the latch address can be realized, and the filtering performance of the system is better improved; a low power mode may be turned on; the clock circuit module adopts 12Mhz crystal oscillator, and two ends of the clock circuit module are respectively connected with a capacitor to form a parallel oscillation feedback circuit, so that the pulse signal source of the system is ensured, and the functions of a system timer and a counter are conveniently called; the reset circuit module controls the reset of the system, and the reset of the singlechip can be realized by setting RST of the AT89C51 singlechip module to be low level; the pull-up resistor module is used for respectively connecting resistors to P0 to P7 pin ports of the AT89C51 singlechip module of the system through a flat cable, and pulling up the output voltage of 8 pins of the singlechip, so that the problem of low-level misjudgment caused by insufficient voltage is solved;

the download circuit module realizes the link between the main control chip module and the computer through the USB port, thereby being convenient for realizing data interaction;

the 1602LCD display screen module has super compatibility, and can realize different functions of reading, writing and displaying through different level states of 16 pins. The communication module comprises a WIFI communication mode, adopts a WIFI-based communication module with the model of ATK_ESP8266, takes an ATK-ESP-01 chip as a core, can realize conversion of analog quantity through 22 pins, and forms a double channel of data interaction through serial port connection.

The following describes each part in detail.

1. Main control chip module 3

As shown in fig. 2, the AT89C51 single-chip microcomputer chip 6 is arranged in the middle, the reset circuit 7 is connected to the upper left side, when the single-chip microcomputer chip 6 falls into a dead-loop state, the reset circuit is powered on and restarted, the reset circuit is connected to the RST pin of the single-chip microcomputer chip 6, and when high-level input is performed, the single-chip microcomputer chip 6 can automatically start the reset state; the clock circuit 8 is connected with the singlechip chip 6 at the lower left side, charges and discharges the crystal oscillator 9 through two capacitors, and provides pulse counting for the singlechip chip 6, so that the functions of counting and timing are realized; the upper right side is connected with the singlechip chip 6, is provided with an exclusion resistor 10, also called a pull-up resistor, and provides normal output capacity for the P0 port of the singlechip chip 6; fig. 3 shows a display screen module 11 connected with pins such as P0 of the singlechip chip 6, relevant data of the cooling system is transmitted to the display screen module 11 through a P0 port of the singlechip, and the display screen module 11 displays the data through reading and writing, so that the working state and the data feedback condition of the system can be checked conveniently; as shown in fig. 9, the download circuit module 12 connected to two ports RXD and TXD of the single-chip microcomputer chip 6 provides a channel for the single-chip microcomputer chip 6 to connect with a computer, so that a program of the computer can be burnt into the single-chip microcomputer chip 6 to realize the burning of a control program; as shown in fig. 10, the button and the indicator lamp module connected to the P2 port of the singlechip chip 6 are used for displaying the corresponding function through the indicator lamp, so as to facilitate displaying the running state of the equipment, and facilitate the later maintenance, and the button is used for closely starting the cooling module 4 in a pressing manner, so as to realize an intelligent cooling system in two control modes of long-range and short-range.

2. Temperature measuring module 1

The temperature measuring module 1 shown in fig. 6 is mainly used for measuring indoor temperature, and transmits digital quantity to the AT89C51 singlechip chip 6 of the main control chip module 6 in an electric signal mode.

The temperature measuring module 1 mainly comprises a DS18B20 digital thermometer module, the temperature measuring module 1 is simple in configuration and has the most unique single-wire interface, and power, a communication port and read-write data are transmitted by adopting one wire, so that the trouble caused by the interfaces is greatly saved. The temperature measuring module also has the capability of multipoint cooperation temperature measurement, simplifies the difficulty of distributed temperature detection, does not need auxiliary addition of other external elements, and has a more stable structure. The module has an ultra-large temperature measurement range, can realize temperature measurement from-55 ℃ to +125 ℃, has a minimum increment unit of 0.5 ℃, is equivalent to-67 to +257 degrees Fahrenheit, and has an increment of 0.9. The time for displaying the temperature by the module is not more than 1 second, and the temperature is converted into a number through a 9-bit digital value, so that the temperature is conveniently extracted.

3. Communication module 2

The communication module 2 shown in fig. 7 is mainly an atk_esp8266 communication module, and the module is in a default running program state in a non-specified state, and when a new program needs to be considered, the program can be burnt into the module only by outputting a low level to the I0-0 pin, so that the use is convenient and quick, and the operation is simple. The built-in TCP protocol is arranged in the module, so that data interconnection between WiFi and serial ports can be realized, and the serial ports of traditional serial port equipment can be configured through the module, so that a WIFI interconnection channel is formed for transmitting data. And the module supports LVTTL serial ports, and can be compatible with various singlechip systems.

Fig. 8 is a wiring diagram of data interaction between the communication module 2 and the main control chip module 3, wherein the main control chip module 3 is powered by a power supply, meanwhile, the communication module 2 is powered by a voltage regulating module 5, and an RXD pin of the main control chip module 3 is connected with a TX pin of the communication module 2 to realize data transmission of the main control chip module 3 by the communication module 2; an RX pin of the communication module 2 is connected with a TXD pin of the main control chip module 3, so that data transmission of the main control chip module 3 to the communication module 2 is realized; the communication module 2 and the GND end of the main control chip module 3 are commonly grounded.

4. Pressure regulating module 5

Fig. 9 shows a wiring diagram of the voltage regulating module 5, in which the voltage regulating module 5 adopts AMS1117-ADJ modules, and the voltage regulating module AMS1117 series modules are cheaper than a power supply, and can also realize the same function as a 3.3V power supply, and the device also has a thermal limiting function, so as to provide protection for the device, and prevent damage or functional obstruction of the device caused by excessive temperature generated by any reasons such as overload or excessive ambient temperature. Unlike conventional PNP regulators, in which up to 10% of the output current is lost additionally as quiescent current, in AMS1117 series devices, the quiescent current flows into the load, reducing the loss of idle work by the quiescent current, and increasing the effective power. Meanwhile, the AMS117 series voltage stabilizer adopts industry standard SOT-223 and TO-252 power packs, so that the use is convenient.

Fig. 10 shows a voltage conversion function demonstration circuit of the AMS1117-ADJ module, and it can be seen from the figure that when a voltage of 5V is applied to the voltage conversion circuit at the left side, the capacitor at the input side of AMS117 is in a charged state, the input voltage is 5V, after passing through the AMS1117 voltage regulation circuit, the ADJ is connected with the R2 resistor and then connected to the ground, and the output end is connected with the ground after being connected with the R1 resistor and the R2 resistor, so that the voltage is formed through the resistor.

FIG. 11 is a schematic diagram showing the internal structure of an AMS1117-ADJ chip, wherein the AMS1117 chip has a complex structure, and a current limiter is further arranged in the AMS1117 chip to stably protect devices from damage caused by excessive current, and meanwhile, the overheat protector also has a thermal limit to effectively avoid mechanical faults caused by excessive temperature.

5. Cooling module 4

Fig. 12 is a wiring diagram of a cooling module 4, where the cooling module 4 mainly includes an L9110 fan module, and the fan module is one of important constituent modules for making a fire extinguishing robot, and drives a fan blade through a controllable motor capable of rotating in forward and reverse directions, so that a candle far at 20cm can be blown out by loosening gently, and meanwhile, the cooling module is provided with a mounting hole, and is compatible with controlling a propeller through a steering wheel, so that the efficiency of fan rotation is higher. Other corresponding cooling devices can be adopted, and the fan module is adopted for example in the invention.

The core of the fan module of the L9110 chip, fig. 13 is an internal wiring diagram of the driving module of the L9110, and the L9110 chip is used as a driving module of a motor, so that two motors can be synchronously driven, and it can be seen that the L9110 chip is a push-pull type power amplifier integrated circuit element with two channels, and discrete circuits are integrated in a single board, so that the cost of peripheral devices is reduced, and the reliability of the system is improved. The chip is compatible with two level signals, has extremely strong anti-interference capability and strong current driving capability, can be directly connected with a motor without a driver, realizes the control of forward and reverse rotation movement of the motor, is internally provided with a clamping diode for protecting circuit elements, can release reverse impact current of inductive load, and provides guarantee for operation safety of devices such as the motor. The circuit diagram can show that the control of the main control chip module 3 to the cooling module 4 can be realized only by connecting the L9110 fan module to the pins P1.0 and P1.1 of the main control chip module 3.

Claims (10)

1. The intelligent household appliance cooling system based on the WIFI communication technology is characterized by comprising a key, an indicator lamp module, a cooling module, a temperature measuring module, a voltage regulating module, a main control chip module and a communication module; the cooling module comprises household cooling appliances, such as a cabinet air conditioner, a central air conditioner, a fan and the like, and controls the indoor cooling appliances through received control signals; the temperature measuring module is connected with the main control chip module to collect and convert the indoor temperature into corresponding digital signals and transmit the digital signals to the main control chip module; the voltage regulating module is used for balancing different devices with different voltages, such as a voltage regulator between the main control chip module and the temperature measuring module, a voltage regulator between the cooling module and the main control chip module, and the like; the communication module is connected with the output of the main control chip based on the WIFI module, and the main control chip module is connected with equipment such as household appliances through the WIFI communication module to realize mutual data interaction and connect household appliance control information to the mobile phone software; the communication module comprises a WIFI communication mode, adopts a WIFI-based communication module with the model of ATK_ESP8266, takes an ATK-ESP-01 chip as a core, converts analog quantity through 22 pins and forms a double channel for data interaction through serial port connection.

2. The intelligent household appliance cooling system based on the WIFI communication technology according to claim 1, wherein the cooling module comprises an L9110 motor driving module and a fan module of the cooling device; the L9110 motor driving module is a device specially designed for controlling and driving a motor, is provided with a double-channel push-pull type power amplifier integrated circuit element, and integrates a discrete circuit into a single board; and a motor which is controlled by the fan module and rotates in the positive and negative directions drives the fan blades.

3. The intelligent household appliance cooling system based on the WIFI communication technology according to claim 1, wherein the temperature measuring module comprises a DS18B20 digital thermometer module, the module is provided with a single-wire interface, a power supply and a communication port, and read-write data are transmitted by adopting one wire.

4. The intelligent household appliance cooling system based on the WIFI communication technology according to claim 1, wherein the voltage regulating module is an AMS1117-ADJ voltage regulating chip low-dropout three-terminal voltage stabilizer and outputs 1A current capacity.

5. The intelligent household appliance cooling system based on the WIFI communication technology according to claim 1, wherein the main control chip module comprises an AT89C51 single-chip microcomputer module, a clock circuit module, a reset circuit module, a pull-up resistor module, a download circuit module and a 1602LCD display screen module.

6. The intelligent household appliance cooling system based on the WIFI communication technology according to claim 5, wherein the clock circuit module adopts 12Mhz crystal oscillator, and capacitors are respectively connected to two ends of the clock circuit module to form a parallel oscillation feedback circuit.

7. The intelligent household appliance cooling system based on the WIFI communication technology according to claim 5, wherein the reset circuit module controls the reset of the system, the RST of the AT89C51 singlechip module is set to be low level, and the reset of the singlechip is performed.

8. The intelligent household appliance cooling system based on the WIFI communication technology according to claim 5, wherein the pull-up resistor module is used for connecting resistors to ports from P0 to P7 of the AT89C51 singlechip module of the system respectively through a flat cable, and pulling up output voltages of 8 pins of the singlechip.

9. The intelligent household appliance cooling system based on the WIFI communication technology according to claim 5, wherein the downloading circuit module is connected with the main control chip module and the computer through a USB port.

10. The intelligent household appliance cooling system based on the WIFI communication technology according to claim 5, wherein the 1602LCD display screen module reads, writes and displays through different level states of 16 pins.

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