CN109407560B

CN109407560B - Device for remotely controlling household appliances to work by computer

Info

Publication number: CN109407560B
Application number: CN201811244988.0A
Authority: CN
Inventors: 陆易
Original assignee: Suzhou Jindi Intelligent Technology Co ltd
Current assignee: Suzhou Jindi Intelligent Technology Co.,Ltd.
Priority date: 2018-10-24
Filing date: 2018-10-24
Publication date: 2021-05-11
Anticipated expiration: 2038-10-24
Also published as: CN109407560A; WO2020082434A1; AU2019101276A4

Abstract

A computer remote control device for household appliances, the transmitting equipment includes photoelectric switch, front baffle, storage battery, charging socket, power switch, time circuit and wireless transmitting circuit, the back end of the front baffle is installed on the computer shell of the front end under the CD cabin door, the back side of the photoelectric switch is installed on the middle outside end of the CD cabin door, the storage battery, charging socket, power switch, time circuit and wireless transmitting circuit are installed in the component box and connected with the photoelectric switch by wire, the receiving equipment includes switch power supply, the wireless receiving circuit, the control relay, the first information feedback circuit, the second information feedback circuit and the short message sending module are mounted on a second circuit board and connected through a lead, and the second circuit board is mounted in the lower end of the patch board shell. The invention can effectively ensure the normal work of the controlled household appliance.

Description

Device for remotely controlling household appliances to work by computer

Technical Field

The invention relates to the field of remote control equipment, in particular to a device for remotely controlling the work of household appliances by a computer.

Background

Nowadays, computers are very popular, and the functions of computers are more and more perfect. Along with the increasing competition of society and the acceleration of the rhythm of life of people, the remote household appliance control device which can realize ready-to-cook rice and warm indoor environment after returning home is more and more popular (such as remotely turning on a power switch of an electric cooker, turning on an electric blanket and the like before returning home).

In the existing remote control device for controlling the work of the household appliance by adopting a computer, a general working principle is that an operator sends a control instruction at a far end through computer software, and then a home computer sends a wireless signal (including a WIFI signal) control instruction through related control equipment so as to control the work or the closing of the household appliance; because computer and control signal end (that is the required control consumer) at home have the distance at an interval, and the wall stops in the house, and the wireless interference signal that other household electrical appliances work produced, consequently can not guarantee at every turn that the user is at the remote end through the control command that the computer end sent at home, can both effectively act on near household electrical appliances, have the receiving terminal that wireless control signal connects the receiving board, therefore also can not guarantee that the receiving terminal can effectively export or close the power to the consumer, also can not reach the purpose of effective remote control household electrical appliances work yet.

Based on the above, the device with the information feedback function is provided, after an operator sends a control instruction at a far end every time, the operator can give a prompt to the operator at the far end as long as the instruction is valid, and if the instruction is invalid, the operator can send the far end control instruction again, so that the device which ensures the reliable and controlled work of the electric equipment is particularly necessary.

Disclosure of Invention

The invention provides a device for remotely controlling the work of household appliances by a computer, which is used by combining the existing mature remote on-off technology of the computer and is provided with a first information feedback circuit, a second information feedback circuit, a short message sending module and the like.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a device for remotely controlling the work of household appliances by a computer comprises a computer and a patch board, and is characterized by also comprising a transmitting device and a receiving device, wherein the transmitting device comprises a photoelectric switch, a front baffle, a storage battery, a charging socket, a power switch, a time circuit and a wireless transmitting circuit, the rear end of the front baffle is arranged on a computer shell at the lower front end of a CD cabin door of the computer, the rear side of the photoelectric switch is arranged at the outer side end of the middle part of the CD cabin door of the computer, the time circuit and the wireless transmitting circuit are arranged on a first circuit board, the storage battery, the charging socket and the power switch are arranged in an element box, two ends of the charging socket and two ends of a storage battery power supply are respectively connected through leads, the element box is arranged at the outer side of the upper part of the computer shell, the positive pole of the storage battery is connected with one end, The receiving device comprises a switching power supply, a wireless receiving circuit, a control relay, a first information feedback circuit, a second information feedback circuit and a short message sending module, wherein the switching power supply, the wireless receiving circuit, the control relay, the first information feedback circuit, the second information feedback circuit and the short message sending module are arranged on the second circuit board, the second circuit board is arranged in the lower end of the plug board shell, the two input ends of the switching power supply are respectively connected with two inlet wires of the plug board, the two output ends of the first path of power supply of the switching power supply are respectively connected with the two input ends of the power supply of the wireless receiving circuit through leads, two power input ends of a control relay and two power output sockets of a patch board are respectively connected through leads, two second power output ends of a switch power supply are respectively connected with two power input ends of a first information feedback circuit, a second information feedback circuit and a short message sending module through leads, one incoming wire of the patch board is connected with a control power input end of a wireless receiving circuit through leads, a control power output end of the wireless receiving circuit is connected with one power input end of the control relay through leads, the other incoming wire of the patch board is connected with the other power input end of the control relay through leads, the positive pole of the second power output end of the switch power supply is connected with a signal input end of the control relay through leads, two signal output ends of the control relay are respectively connected with the signal input ends of the first information feedback circuit and the second information feedback circuit through leads, and the first information feedback circuit, the second information, The signal output end of the second information feedback circuit is connected with the signal input end of the short message sending module through a lead.

The photoelectric switch of the transmitting device is an infrared induction photoelectric switch, the infrared induction photoelectric switch is matched with a relay, the 3 pins of the high-level output wiring terminal of the infrared induction photoelectric switch are connected with the positive power input end of the relay through leads, and the positive and negative power input ends of the infrared induction photoelectric switch are respectively connected with the control power input end of the relay and the negative power input end of the relay through leads.

The time circuit of the transmitting device comprises a time controller module and a relay, wherein a normally open power supply output end of the time controller module is connected with a positive power supply input end of the relay through a lead, and a negative power supply input end of the time controller module, a negative trigger signal input end of the time controller module and a negative power supply input end of the relay are connected through a lead.

The switch power supply of the receiving equipment is provided with two

power input ends

1 and 2 pins, two

power output ends

3 and 4 pins, 5 and 4 pins, the two power output ends share one negative power output end 4 pin, the 3 and 4 pins output 5V direct current power, and the 5 and 6 pins output 12V direct current power.

The wireless receiving circuit of the receiving device further comprises a resistor, an NPN triode and a relay, wherein the resistor, the NPN triode and the relay are connected through a second circuit board in a wiring mode, a pin 1 of a positive power input end of the wireless receiving circuit is connected with a positive power input end of the relay, a pin 3 of a negative power input end of the wireless receiving circuit is connected with an emitting electrode of the NPN triode, a pin 4 of a first output end of the wireless receiving circuit is connected with one end of the resistor, the other end of the resistor is connected with a base electrode of the NPN triode, and a collector.

The first feedback circuit and the second feedback circuit of the receiving device are consistent in structure and respectively comprise a time controller module, a resistor and an NPN triode, the time controller module, the resistor and the NPN triode are connected through a circuit board in a wiring mode, a negative power supply input end and a negative trigger signal input end of the time controller module are connected with an emitting electrode of the NPN triode, a normally-open power supply output end of the time controller module is connected with one end of the resistor, and the other end of the resistor is connected with a base electrode of the NPN.

The short message sending module of the receiving device is a GSM short message alarm module finished product.

The invention has the beneficial effects that: the remote power-on and power-off control system is used by combining the existing mature remote power-on and power-off control technology of the computer, the computer at home is set by the remote power-on function of the computer before use, and a user can use another computer at a remote end to control the power-on and power-off state of the computer at home and control the working state of the computer at home during subsequent use; before leaving home, a power plug of a computer at home is inserted into an indoor power socket, the computer is in a standby state, and a power plug of a household appliance to be controlled is inserted into the patch board. During the use, after far-end user passes through the computer remote boot in with the computer in family through the personal side, through the operation interface of remote operation computer in the family (for example use video broadcast software), open or close CD storehouse door, the detecting head that enables photoelectric switch is blocked or is not blockked by preceding baffle respectively, thereby under the relevant circuit effect, wireless transmitting circuit sends out wireless closed signal and wireless disconnected signal respectively, be located the wiring board casing after wireless receiving circuit receives wireless control signal, can control the output of wiring board respectively or not output power, thereby reach the user remote control household consumer and work or the inoperative purpose. When the remote control device is used, as long as a user controls home appliances to work or not work at a remote end, the short message sending module can send a short message to the remote user in real time, and therefore if the user fails to receive the short message after remote operation, the remote control device can be operated again to represent that the remote control fails, and accordingly the reliability of remote control of the work of the home appliances is guaranteed. The invention has convenient control, can effectively ensure the effective execution of the control instruction and ensure the normal work of the controlled household appliance. Based on the above, the invention has good application prospect.

Drawings

The invention is further illustrated below with reference to the figures and examples.

Fig. 1 is a schematic diagram of the structure between the transmitting device of the present invention and a computer.

Fig. 2 is a schematic diagram of the structure between the receiving apparatus of the present invention and the patch panel.

Fig. 3 is a circuit diagram of the transmitting device of the present invention.

Fig. 4 is a circuit diagram of the receiving apparatus of the present invention.

Detailed Description

As shown in figures 1 and 2, a device for remotely controlling the work of household appliances by a computer comprises a computer 1 and a patch board 2, wherein the lower end of the shell of the patch board 2 is provided with no socket, so that a circuit board is convenient to install, and the device also comprises a transmitting device and a receiving device, the transmitting device comprises a photoelectric switch 3, a front baffle 4, a storage battery 5, a charging socket 6, a power switch 7, a time circuit 8 and a wireless transmitting circuit 9, the rear end of the front baffle 4 is glued on the computer shell at the lower front end of a CD-ROM door 1-1 of the computer, the rear side of the photoelectric switch 3 is glued on the middle outer side end of the CD-ROM door 1-1 of the computer, the time circuit 8 and the wireless transmitting circuit 9 are installed on a first circuit board, the first circuit board and the storage battery 5, the charging socket 6 and the power switch 7 are installed in a component box 10, a jack of the charging socket 6 and an operating handle of the power switch 7 are positioned outside two openings at the left, the component box 10 is installed on the outer side of the upper portion of the shell of the computer 1, the receiving device comprises a switch power supply 11, a wireless receiving circuit 12, a control relay 13, a first information feedback circuit 14, a second information feedback circuit 15 and a short message sending module 16, the switch power supply 11, the wireless receiving circuit 12, the control relay 13, the first information feedback circuit 14, the second information feedback circuit 15 and the short message sending module 16 are installed on a second circuit board, and the second circuit board is installed in the lower end of the patch board shell 2. After the photoelectric switch 3 and the front baffle 4 of the transmitting equipment are installed, when the CD door 1-1 of the computer is not opened, the detection head of the photoelectric switch 3 is blocked by the baffle 4, when the CD door 1-1 of the computer is opened, the detection head of the photoelectric switch 3 is not blocked by the baffle 4 any more, and the baffle 4 is an opaque plastic plate.

As shown in FIG. 3, the optoelectronic switch U1 of the transmitting device is a finished product of an infrared sensing optoelectronic switch manufactured by Hu worker M18 and model E3F-DS30C4, the finished product U1 of the infrared sensing optoelectronic switch has two

power input terminals

1 and 2 pins and a high level output terminal 3 pin, the working voltage is direct current 12V, the front part of the shell of the finished product U1 of the infrared sensing optoelectronic switch is provided with an integrated infrared transmitting and receiving photoelectric tube detecting head, the detecting head can detect objects between 6 cm and 70cm, when no object blocks exist at the front end of the detecting head, the high level output terminal 3 pin can output high level, the maximum output current can reach 300mA, the rear part of the shell of the finished product U1 of the infrared sensing optoelectronic switch is provided with an adjusting knob, when the adjusting knob is adjusted leftwards, the detecting distance of the detecting head becomes short, when the adjusting knob is adjusted rightwards, the detecting distance of the detecting head becomes long (the invention is, the finished product U1 of the infrared induction photoelectric switch is matched with a relay K1, a pin 3 of a high-level output terminal of the finished product U1 of the infrared induction photoelectric switch is connected with an anode power input end of the relay K1 through a lead, and

pins

1 and 2 of a positive and negative pole power input end of the finished product U1 of the infrared induction photoelectric switch are respectively connected with a control power input end and a cathode power input end of the relay K1 through leads. After the photoelectric switch U1 and the baffle of the launching equipment are installed, when the door of the computer disk is not opened, the detecting head of the photoelectric switch U1 is blocked by the front baffle, when the door of the computer disk is opened, the detecting head of the photoelectric switch U1 is not blocked by the baffle, and the baffle is an opaque plastic plate. The storage battery G of the launching equipment is a 12V lithium storage battery, the charging socket CZ is a coaxial power socket, and the power switch S1 is a toggle power switch. The time circuit of the transmitting device comprises a finished time controller module product U2 of brand Quason and a relay K2 which are connected through circuit board wiring, the working voltage of the finished time controller module product U2 is direct current 12V,

the time controller module finished product U2 has a digital LED tube with a three-position time display, and also has two

power input ends

1 and 2, two trigger

signal input ends

3 and 4, a setting key 5, an emergency stop key 6, a time adding key 7, a time reducing key 8 and a normally open power output end 9, after the power input ends of the positive and negative poles of the time controller module finished product U2 are powered on, the operator presses the setting key and then operates the time adding key and the time reducing key respectively through the digital display of the digital tube, the normally open power output end can be set to output positive power in a required time period, after the set time period, the normally open power output end stops outputting power, the maximum setting time is 999 minutes, after the time controller module finished product U2 sets the time, the internal setting data will not change as long as the next setting is not performed, the time is set, after the trigger power supply signals are input into the two trigger signal input ends, the finished product U2 of the time relay module carries out set time timing, the pin 9 of the normally open power supply output end of the finished product U2 of the time controller module is connected with the positive power supply input end of the relay K2 through a lead, and the pin 2 of the negative power supply input end of the finished product U2 of the time controller module, the pin 4 of the negative trigger signal input end of the time controller module and the negative power supply input end of the relay K2 are connected through leads. The wireless transmitting circuit U3 of the transmitting equipment is a finished wireless transmitting circuit product of model ZYO300-A72, the working voltage of the finished wireless transmitting circuit product is direct current 12V, the working frequency is 315MHz, and four wireless signal transmitting keys are arranged on the finished wireless transmitting circuit product U3. Two ends of a charging socket CZ and two ends of a storage battery G power supply are respectively connected through leads, the positive pole of the storage battery G is connected with one end of a power switch S1 through leads, the other end of the power switch S1, the negative pole of the storage battery G, the positive and negative pole power

supply input ends

1 and 2 pins of a photoelectric switch U1, VCC and GND of a wireless transmitting circuit finished product U3 at the positive and negative pole power supply input ends, and 1 and 2 pins of a time controller module finished product U2 at the positive and negative pole power supply input ends of a time circuit are respectively connected through leads, a normally open contact end of an output end relay K1 of the photoelectric switch U1 is connected with 3 pins of a time controller module finished product U2 at a time circuit signal input end, the time circuit signal output end relay K2 controls the power input end and the normally open contact end and the wireless transmitting circuit signal input end, and the two contacts under the first signal transmitting key SK key of the wireless transmitting circuit finished product U3 are respectively connected through leads.

As shown in fig. 4, the switching power supply U4 of the receiving device is a finished product of a switching power supply module of a bright weft brand, and has a model of 220V/12V/5V, and has two

power input terminals

1 and 2 pins, two

power output terminals

3 and 4 pins, and 5 and 4 pins, wherein the two power output terminals share one negative power output terminal 4 pin, 3 and 4 pins output 5V dc power, and 5 and 6 pins output 12V dc power. The wireless receiving circuit of the receiving equipment comprises a finished wireless receiving circuit product U5 (the finished wireless receiving circuit product U5 works in a self-locking state) of a model ZYO-A72, a resistor R1, an NPN triode Q1 and a relay K3, wherein the finished wireless receiving circuit product U5 is connected through a second circuit board in a wiring mode, the finished wireless receiving circuit product ZYO-A72 is provided with two power

supply input ends

1 and 3 pins, four

output ends

4, 5, 6 and 7 pins, an effective decoding pulse output end 2 pin, the working voltage of the effective decoding pulse output end is direct current 5V, the working frequency is 315MHz, a positive power supply input end 1 pin (VCC) of the finished wireless receiving circuit product U5 is connected with a positive power supply input end of the relay K3, a negative power supply input end 3 pin (GND) of the finished wireless receiving circuit product U5 is connected with an emitter of the NPN triode Q1, a first output end 4 pin of the finished wireless receiving circuit product U5 is connected with one end of the resistor, the collector of the NPN triode Q1 is connected with the negative power supply input end of the relay K3. The first feedback circuit of the receiving device comprises a finished time controller module U6 of brand Quason, a resistor R2 and an NPN triode Q2 which are connected through circuit board wiring, the working voltage of the finished time controller module U6 is direct current 12V, a pin 2 of a negative power supply input end and a pin 4 of a negative trigger signal input end of a finished time controller module U6 are connected with an emitter of the NPN triode Q2, a pin 9 of a normally-open power supply output end of a finished time controller module U6 is connected with one end of a resistor R2, and the other end of the resistor R2 is connected with a base of the NPN triode Q2. The second feedback circuit of the receiving device comprises a finished time controller module U7 of brand Quason, a resistor R3 and an NPN triode Q3, wherein the finished time controller module U7 is connected through circuit board wiring, the working voltage of the finished time controller module U7 is direct current 12V, a pin 2 of a negative power supply input end and a pin 4 of a negative trigger signal input end of a finished time controller module U7 are connected with an emitter of the NPN triode Q3, a pin 9 of a normally-open power supply output end of a finished time controller module U7 is connected with one end of a resistor R3, and the other end of the resistor R3 is connected with a base of the NPN triode Q3. The short message sending module U8 of the receiving device is a GSM short message alarm module finished product with the safety reaching brand and model RPXK, the short message alarm module finished product is provided with two

power input ends

1 and 2 pins (VCC and GND) and an eight-way control signal end X, an SIM card is arranged in the short message alarm module finished product, the working voltage is direct current 12V, after any one end of the eight-way control signal end X inputs low level, the short message alarm module finished product U8 can send a short message for a preset telephone number in the short message alarm module through a mobile network, the short message can be sent for six telephone numbers at most simultaneously, before use, a short message is stored in the short message alarm module finished product U8 through the self function of the short message alarm module finished product, the content is 'household appliance control success', and the telephone number. Two

ends

1 and 2 of the power input of a switch power supply U4 are respectively connected with two inlet wires CX1 and CX2 of a patch board, two

ends

3 and 4 of the first power output of the switch power supply U4 are respectively connected with two ends VCC and GND of the power input of a wireless receiving circuit finished product U5 through leads, two

ends

5 and 4 of the second power output of the switch power supply U4 are respectively connected with 1 and 2 pins of a first information feedback circuit power input two-end time controller module finished product U6, 1 and 2 pins of a second information feedback circuit power input two-end time controller module finished product U7 and two ends VCC and GND of the power input of a short message sending module U8 through leads, one inlet wire CX1 of the patch board is connected with the control power input end of a relay K3 of a wireless receiving circuit through leads, the control power relay output end K3 normally open contact end of the wireless receiving circuit is connected with one end of the power input of a control relay K4 through leads, the other end of the power input of the inlet CX2 of the patch board is connected with the other end of the power input of the control relay K4 through a lead, the two power input ends of the control relay K4 are respectively connected with the two ends of the power output socket CZ1 of the patch board through leads, the positive 5 pin of the second power output end of the switching power supply U4 is connected with the control power input end of the control relay K4 through a lead, the normally open contact end and the normally closed contact end of the signal output end of the control relay K4 are respectively connected with the 3 pin of the signal input end time controller module finished product U6 of the first information feedback circuit and the 3 pin of the signal input end time controller module finished product U7 of the second information feedback circuit, the signal output end of the first information feedback circuit is an NPN triode Q2 emitter, the signal output end of the second information feedback circuit is an NPN triode Q3 emitter, and the signal input end X of the short message sending module U8 is connected through leads.

As shown in fig. 3 and 4, when the power switch S1 is turned on, the photoelectric switch U1 is powered on by positive and negative poles, the wireless transmitting circuit is powered on by positive and negative poles, and the time circuit is powered on by positive and negative poles. After a power plug of the patch board is plugged into a 220V mains supply socket, a 220V alternating-current power supply can enter

pins

1 and 2 of a switch power supply U4, under the action of an internal circuit of the switch power supply U4, a first power output end 3 and a first power output end 4 of the switch power supply U4 can output stable 5V direct-current power supplies to enter two power input ends VCC and GND of a finished wireless receiving circuit product U5, and the finished wireless receiving circuit product U5 is in a power-on state; two 5 output ends and 4 pins of a second power output end of the switching power supply U4 output stable 12V direct current power to enter two power input ends of a first information feedback circuit, two power input ends of a second information feedback circuit and two power input ends of a short message sending module U8, and the first information feedback circuit power, the second information feedback circuit and the short message sending module U8 are in a power-on state. One pole of a 220V alternating current power supply enters the control power supply input end of the relay K3 through one inlet wire CX1 of the patch board, the other pole of the 220V alternating current power supply enters the other end of the power supply input end of the control relay K4 through the other inlet wire CX2 of the patch board, and the positive pole of a 12V power supply output by a pin 5 at the positive pole of the second power supply output end of the switching power supply U4 enters the control power supply input end of the control relay K4. In the invention, after the storage battery G is out of power, an external 12V power supply charger plug can be inserted into the charging socket CZ so as to charge the storage battery G.

In fig. 3, among the photoelectric switch U1, the front baffle, the battery G, the time circuit and the wireless transmitting circuit: the remote power-on and power-off control system is used by combining the existing mature remote power-on and power-off control technology of the computer, the computer at home is set by the remote power-on function of the computer before use, and a user can use another computer at a remote end to control the power-on and power-off state of the computer at home and control the working state of the computer at home during subsequent use; before leaving home, a power plug of a computer at home is inserted into an indoor power socket, the computer is in a standby state, and a power plug of a household appliance (such as an electric cooker) to be controlled is inserted into the jack of the wiring board. When the door of the CD-ROM door of a computer at home is not opened at ordinary times, the infrared light emitted by a detection head of the photoelectric switch U1 is shielded by the front baffle, and no output exists at the 3 feet of the photoelectric switch U1 under the action of an internal circuit of the photoelectric switch U1; when a far-end user needs to control home electric equipment to be powered on for work, after the home computer is remotely started up through a personal computer, a door of the optical disk cabin is opened through an operation interface of the remote operation home computer (for example, storm video and the like are used by video playing software), so that the door of the optical disk cabin drives the photoelectric switch U1 to move forwards, a detection head of the photoelectric switch U1 is not blocked by a front baffle any more, the distance between the downward direction of the detection head of the photoelectric switch U1 and the ground is far more than 30cm, so that under the action of an internal circuit of the photoelectric switch U1, a high level is output by 3 feet of the photoelectric switch U1 to enter a positive power supply input end of the relay K1, and the relay K1 is powered on to attract the; because the positive and negative poles of the finished product U2 of the time circuit time controller module are in a power-on state at the moment, and the 3 pin of the positive trigger signal input end of the finished product U2 of the time controller module is connected with the normally open contact end of the relay K1, at the moment, the finished product U2 of the time controller module is input with a trigger signal, the 9 pin outputs a 5-second high-level signal to enter the positive power input end of the relay K2, and then the relay K2 is powered on to pull in the control power input end and the normally open contact end to be closed; because the finished product U3 of the wireless transmitting circuit is in the state of being electrified at the moment, two contacts under the SK key of the first signal transmitting key of the finished product U3 of the wireless transmitting circuit are respectively connected with the control power input end and the normally open contact end of the relay K2, therefore, the relay K2 is electrified to attract the control power input end and the normally open contact end of the relay K2 to be closed within 5 seconds, two contacts under the SK key of the first signal transmitting key of the finished product U3 of the wireless transmitting circuit can be communicated (equivalent to the hand pressing the SK key of the first signal transmitting key), and the finished product U3 of the wireless transmitting circuit can transmit a first path of wireless control signals for the first time. When a remote user needs to control home electric equipment to stop working, the door of the optical disk cabin is closed firstly through an operation interface of a remote operation home computer, then the door of the optical disk cabin drives the photoelectric switch U1 to move backwards, and the detection head of the photoelectric switch U1 is shielded by the front baffle again, so that under the action of an internal circuit of the photoelectric switch U1, no high level output by the 3 pin of the photoelectric switch U1 enters the positive power input end of the relay K1 (after the high level output by the 3 pin of the photoelectric switch U1, the high level output is always provided as long as the detection head is not shielded), the relay K1 loses power and does not attract the control power input end and the normally open contact end to be disconnected, then, the time controller module finished product U2 has no input trigger signal any more, and the time controller module finished product U2 has no output by the 9; then, a remote operator remotely operates an operation interface of a computer in a home to open the door of the optical disc cabin again, so that the door of the optical disc cabin drives the photoelectric switch U1 to move forwards again, the detection head is not blocked by the front baffle any more, under the action of an internal circuit of the photoelectric switch U1, 3 feet of the photoelectric switch U1 output high level again to enter the positive power input end of the relay K1, the relay K1 is electrified to attract the control power input end and the normally open contact end to be closed, the time controller module finished product U2 inputs a trigger signal again, 9 feet of the time controller module output a 5-second high level signal again to enter the positive power input end of the relay K2, the relay K2 is electrified to attract the control power input end and the normally open contact end to be closed, and the wireless transmitting circuit finished product U3 transmits a first path of wireless control signal.

In the wireless receiving circuit and the control relay shown in fig. 4, when a remote user needs a home controlled appliance to work, the home computer is remotely operated, a first path of wireless control signal is transmitted by a finished wireless transmitting circuit product U3, and after the finished wireless receiving circuit product U5 receives the signal, a high level is output by a first output end 4 pin, the output high level is limited in voltage by a resistor R1 and enters a base electrode of an NPN triode Q1, the high level power is amplified and inverted by the NPN triode Q1 and enters a negative power input end of a relay K3, so that the relay K3 is electrified to attract the control power input end and a normally open contact end of the relay K865 to be closed, because one pole of a 220V alternating current power supply is communicated with the control power input end of the relay K1 of a patch board, the contact end of the relay K3 is connected with the control power input end of the relay K4 through a lead wire, and the other pole of the plug board CX2 is connected with the control power input end of, the two ends of the power input of the control relay K4 are respectively connected with the two ends of the power output socket CZ1 of the patch board through leads, so that after the relay K3 is electrified to pull the control power input end and the normally open contact end of the relay K3 to be closed, two ends of the power output socket CZ1 of the patch board can respectively obtain 220V alternating-current power supplies, and therefore the controlled household appliance with the power plug inserted into the power output socket CZ1 of the patch board is electrified to work. When a remote user does not need to work at home by controlling household appliances, a home computer is remotely operated, a first path of wireless control signal is transmitted out by a finished wireless transmitting circuit product U3, after a signal is received by a finished wireless receiving circuit product U5, under the action of an internal circuit of a finished wireless receiving circuit product U5, the 4 pins of the first output end of the finished wireless receiving circuit product U5 stop outputting high level, and then, the relay K3 loses power and does not attract the control power input end of the relay and the normally open contact end to be disconnected, then, one end of a power output socket CZ1 of the patch board can not obtain 220V alternating current power supply, so that the household appliances with controlled power loss in the power output socket CZ1 of the power plug-in patch board can not work any.

As shown in fig. 4, the control relay K4, the first feedback circuit and the short message sending module are: when a user needs to work the household appliance and works through the action of a related circuit, the power output socket CZ1 of the patch board outputs 220V power, and after the controlled household appliance is powered on to work, because the two ends of the power input of the control relay K4 are respectively connected with the two ends of the power output socket CZ1 of the patch board through leads, the control relay K4 (220V alternating current relay) can be powered on at the moment to close the control power input end and the normally open contact end (the control power input end and the normally closed contact end are disconnected); because the

pins

1 and 2 of the finished product U6 of the time controller module are in the power-on state, the finished product U6 of the time controller module is in the working state, the positive pole pin 5 of the second power output end of the switching power supply U4 is connected with the signal input end of the control relay K4 through a wire, and the normally open contact end of the signal output end of the control relay K4 is connected with the pin 3 of the finished product U6 of the time controller module, the control relay K4 is powered on to close the control power input end and the normally open contact end, then the pin 3 of the finished product U6 of the time controller module is input with a trigger signal, and further, under the action of the internal circuit of the finished product U6 of the time controller module, the pin 9 of the finished product U6 of the time controller module outputs a high level for 5 seconds, and the high level is reduced by the resistor R2 and enters the base of the NPN triode Q2, the triode Q2 amplifies and inverts the high level power to the signal input, therefore, under the action of the internal circuit of the short message sending module U8, the short message sending module U8 sends a short message to the remote user in real time, and the content is "successful household appliance control", so that if the user receives the short message after the remote operation, the user represents that the remote control of the household appliance is successful, and if the user does not receive the short message after the remote operation, the user represents that the remote control of the household appliance is unsuccessful, the operation can be performed again, and thus the reliability of the work of the remote control of the household appliance is ensured.

As shown in fig. 4, the control relay, the second feedback circuit, and the short message sending module: when a user does not need to work with household appliances and act through related circuits, the power output socket CZ1 of the patch board does not output 220V power, and after the controlled household appliances are not worked any more when power is lost, because the two ends of the power input of the control relay K4 and the two ends of the power output socket CZ1 of the patch board are respectively connected through wires, the control relay K4 (220V AC relay) can lose power and does not pull the control power input end and the normally closed contact end to be closed (the control power input end and the normally open contact end are disconnected); because the

pins

1 and 2 of the finished product U7 of the time controller module are in a power-on state, the finished product U7 of the time controller module is in a working state, the positive pole pin 5 of the second power output end of the switching power supply U4 is connected with the control power input end of the signal input end of the control relay K4 through a wire, and the normally closed contact end of the signal output end of the control relay K4 is connected with the pin 3 of the finished product U7 of the time controller module, after the control relay K4 loses power and closes the control power input end and the normally closed contact end, the pin 3 of the finished product U7 of the time controller module is input with a trigger signal, and further, under the action of the internal circuit of the finished product U7 of the time controller module, the pin 9 of the finished product U7 of the time controller module outputs a high level for 5 seconds, and the high level is reduced by the resistor R3 and enters the base of the NPN triode Q3, the NPN 3 amplifies and inputs the high level power, therefore, under the action of the internal circuit of the short message sending module U8, the short message sending module U8 sends a short message to the remote user in real time, and the content is "successful household appliance control", so that if the user receives the short message after the remote operation, the user represents that the remote control of the household appliance is successful, and if the user does not receive the short message after the remote operation, the user represents that the remote control of the household appliance is unsuccessful, the operation can be performed again, and thus the reliability of the work of the remote control of the household appliance is ensured.

As shown in fig. 3, 4, the relays K1, K2 of the transmitting device are DC4100 type 12V miniature relays. In the wireless receiving circuit of the receiving device shown in fig. 4, the resistance of the resistor R1 is 1K, the NPN transistor Q1 is model 9013, and the relay K3 is a DC4123 model 12V miniature relay. In a first feedback circuit of the receiving device, the resistance of a resistor R2 is 47K, and the model of an NPN triode Q2 is 9013. In a second feedback circuit of the receiving device, the resistance of the resistor R3 is 47K, and the model of the NPN triode Q3 is 9013. Control relay K4 is a brand deluxe ac 220V relay having two power inputs, a control power input, a normally open contact end, and a normally closed contact end.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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

1. A computer remote control device for household appliances comprises a computer, a patch board, and is characterized by also comprising a transmitting device and a receiving device, wherein the transmitting device comprises a photoelectric switch, a front baffle, a storage battery, a charging socket, a power switch, a time circuit and a wireless transmitting circuit, the front baffle is an opaque plastic plate, the rear end of the front baffle is arranged on a computer shell at the lower front end of a CD cabin door of the computer, the rear side of the photoelectric switch is arranged at the outer side end of the middle part of the CD cabin door of the computer, the time circuit and the wireless transmitting circuit are arranged on a first circuit board, the storage battery, the charging socket and the power switch are arranged in an element box, two ends of the charging socket and two ends of a power supply of the storage battery are respectively connected through leads, the element box is arranged at the outer side of the upper part of the computer shell, and the, the receiving device comprises a switching power supply, a wireless receiving circuit, a control relay, a first information feedback circuit, a second information feedback circuit and a short message sending module, wherein the switching power supply, the wireless receiving circuit, the control relay, the first information feedback circuit, the second information feedback circuit and the short message sending module are arranged on the second circuit board, the second circuit board is arranged in the lower end of the patch board shell, the two power supply input ends of the switching power supply are respectively connected with two incoming lines of the patch board, and the two power supply output ends of the first path of the switching power supply are respectively connected with the two power supply input ends of the wireless receiving circuit through leads, two power input ends of a control relay and two power output sockets of a patch board are respectively connected through leads, two second power output ends of a switch power supply are respectively connected with two power input ends of a first information feedback circuit, a second information feedback circuit and a short message sending module through leads, one incoming wire of the patch board is connected with a control power input end of a wireless receiving circuit through leads, a control power output end of the wireless receiving circuit is connected with one power input end of the control relay through leads, the other incoming wire of the patch board is connected with the other power input end of the control relay through leads, the positive pole of the second power output end of the switch power supply is connected with a signal input end of the control relay through leads, two signal output ends of the control relay are respectively connected with the signal input ends of the first information feedback circuit and the second information feedback circuit through leads, and the first information feedback circuit, the second information, The signal output end of the second information feedback circuit is connected with the signal input end of the short message sending module through a wire; the user uses another computer at the remote end to control the working state of the computer at home, so that the computer at home opens or closes the cabin door, and then the output of the power output socket is controlled or the power is not output, and the controlled household appliances with the power plugs inserted into the power output socket of the patch board are powered on or powered off and do not work.

2. The apparatus according to claim 1, wherein the photoelectric switch of the emitting device is an infrared ray sensing photoelectric switch, the infrared ray sensing photoelectric switch is provided with a relay, the 3 pins of the high level output terminal of the infrared ray sensing photoelectric switch are connected with the positive power input terminal of the relay through wires, and the positive and negative power input terminals of the infrared ray sensing photoelectric switch are respectively connected with the control power input terminal and the negative power input terminal of the relay through wires.

3. The apparatus of claim 1, wherein the time circuit of the transmitter comprises a time controller module and a relay, a normally open power output terminal of the time controller module is connected to a positive power input terminal of the relay via a wire, and a negative power input terminal of the time controller module, a negative trigger signal input terminal of the time controller module and a negative power input terminal of the relay are connected via a wire.

4. The device of claim 1, wherein the switching power supply of the receiving device has two power input terminals 1 and 2 pins, two power output terminals 3 and 4 pins, and 5 and 4 pins, the two power output terminals share one negative power output terminal 4 pin, 3 and 4 pins output 5V dc power, and 5 and 6 pins output 12V dc power.

5. The apparatus of claim 1, wherein the wireless receiver circuit of the receiver further comprises a resistor, an NPN transistor, and a relay, which are wired via the second circuit board, wherein the pin 1 of the positive power input terminal of the wireless receiver circuit is connected to the positive power input terminal of the relay, the pin 3 of the negative power input terminal of the wireless receiver circuit is connected to the emitter of the NPN transistor, the pin 4 of the first output terminal of the wireless receiver circuit is connected to one end of the resistor, the other end of the resistor is connected to the base of the NPN transistor, and the collector of the NPN transistor is connected to the negative power input terminal of the relay.

6. The apparatus of claim 1, wherein the first feedback circuit and the second feedback circuit of the receiving device have the same structure, and each of the first feedback circuit and the second feedback circuit comprises a time controller module, a resistor and an NPN transistor, which are connected to each other via a circuit board, wherein a negative power input terminal and a negative trigger signal input terminal of the time controller module are connected to an emitter of the NPN transistor, an output terminal of a normally open power of the time controller module is connected to one end of the resistor, and the other end of the resistor is connected to a base of the NPN transistor.

7. The device of claim 1, wherein the short message sending module of the receiving device is a GSM short message alarm module product.