CN102374613B - Method for controlling air conditioner to be powered on through human body induction - Google Patents

Abstract

The invention discloses a method for controlling the electrification of an air conditioner through human body induction, which comprises the following steps: a. installing at least one human body detection sensor on the air conditioning system; b. arranging a signal processing chip connected with each human body detection sensor, and connecting the signal processing chip with a control panel of an air conditioner indoor unit for communication; c. setting a power-on controller controlled by the output signal of the signal processing chip; d. when a human body is detected in the continuous A time period, the signal processing chip controls the power-on controller to power on the air conditioning system; e. the air conditioner is started, and in the running process of the air conditioning system, if the human body is detected to leave and no human body is detected in the continuous time period B, the signal processing chip controls the power-on controller to power off the air conditioning system; f. and (4) shutting down the air conditioner, and if the human body is not detected in the time period C, powering off the air conditioner system. The method has good safety and low power consumption.

Description

Method for controlling power-on of air conditioner through human body induction

technical field

The invention relates to the technical field of air conditioner control, in particular to a method for controlling power-on of an air conditioner through human body induction.

Background technique

The air conditioner in the prior art is directly powered, so there is still power input when the air conditioner is in standby, which will not only increase the unnecessary power consumption of the air conditioner, but also cause safety hazards when the air conditioner is charged and in standby, causing a fire. Therefore, based on the above reasons, there is an urgent need for a method for controlling the power-on of the air conditioner through human body induction, so as to solve the above problems.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the above defects of the prior art and provide a method for controlling the power-on of the air conditioner through human body induction with good safety and low power consumption.

The technical solution of the present invention is to provide a method for controlling the power-on of the air conditioner through human body induction, which includes the following steps:

a. Install at least one human detection sensor on the air conditioning system;

b. Set up a signal processing chip connected with each human body detection sensor, and connect the signal processing chip with the control board of the air conditioner internal unit for communication;

c. Setting a power-on controller controlled by the output signal of the signal processing chip;

d. When a human body is detected within a continuous period of time A, the signal processing chip controls the power-on controller to power on the air-conditioning system;

e. If the return signal of normal operation sent by the control board is not detected during the D period of power-on, it will display a fault and cut off the power to the air-conditioning system;

f. The air conditioner is turned on. During the operation of the air conditioner system, if the human body is detected to leave and no human body is detected for a continuous B period of time, the signal processing chip controls the power-on controller to power off the air conditioner system;

g. Set up a load detection module, connect the load detection module with the signal processing module, and connect the detection terminal of the load detection module to the line between the power-on controller and the air conditioner internal unit; when the load detection module detects that the input voltage is low When it is 165V or higher than 265V, it will display a voltage fault and cut off the power to the air conditioning system; when the load detection module detects that the input current is less than the limit value for 10 consecutive minutes or the current is greater than the limit value for 2 minutes, it will display a current fault and cut off the air conditioning system. electricity;

h. When the air conditioner is turned off, if no human body is detected within the time period C, the air conditioner system will be powered off.

After adopting the above structure, compared with the prior art, the present invention has the following advantages:

The method of the present invention controls the power-on of the air conditioner through human body induction. By setting the human body detection sensor and the power-on controller on the air-conditioning system, the air-conditioner is automatically powered on and off, so that there will be no power input when the air-conditioner is in standby, which not only reduces the The energy consumption of the air conditioner is reduced, and the potential safety hazards caused when the air conditioner is charged and standby is avoided. Step e reduces the live operation caused by the failure of the air conditioner, thus further improving its safety. In step g, through the detection by the load detection module, the air conditioner can be powered off when a fault occurs, thereby further improving the safety of the air conditioner.

Description of drawings

Fig. 1 is a flow chart of the method for controlling the power-on of an air conditioner through human body induction in the present invention.

Fig. 2 is a circuit block diagram of an embodiment of the present invention.

Figure 3 is a circuit schematic diagram of the load selection module.

Figure 4 is a circuit schematic diagram of the load detection module.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention provides a human body induction type air conditioner power-on switch device, including a signal processing chip, a power-on controller, a human body detection sensor and a power module; The human body detection sensor and the input port of the signal processing chip, the human body detection sensor is a human body infrared detection chip in this embodiment, and the signal output end of the chip is connected with the I/O port of the signal processing chip; Connected to the output port of the signal processing chip, the power-on controller is a relay, and the signal output end of the relay is connected to the I/O port of the signal processing chip; the power input end of the power-on controller is connected to the external grid , the power output end of the power-on controller is connected to the power input end of the air-conditioning internal unit, and the loop is a strong current loop, generally connected to 220V alternating current; the signal processing chip is also connected to the control panel on the air-conditioning internal unit, Used for the signal processing chip to communicate with the control board on the air conditioner internal unit; the power input terminal of the power module is connected to the external power grid, and the power output terminal of the power module is respectively connected to the signal processing chip, the power-on controller and the human body detection sensor Connect to provide working power for these chips, modules, etc.

The human body induction type air conditioner power-on switch device also includes a load selection module, the load selection module is connected to the signal processing chip, this module is a commercially available module, and the load selection module used in this embodiment is shown in Figure 2 As shown; the power input terminal of the load selection module is connected to the power supply module to provide working power for the load selection module.

The human body induction type air conditioner power-on switch device also includes a display module, the display module is connected to the signal processing chip, and what is used in this embodiment is a display module in the form of an indicator light; the power supply of the display module The input end is connected with the power module to provide power for the display module.

The human body induction type air conditioner power-on switch device also includes a system reset module, the system reset module is connected to the signal processing chip, and this module is a commercially available module; the power input terminal of the system reset module is connected to the power module Connect to provide power to the system reset module.

The human body induction type air conditioner power-on switch device also includes a load detection module, the load detection module is connected with the signal processing chip, this module is a commercially available module, and its specific structure is shown in Figure 3; The power input terminal of the detection module is connected to the power module to provide power for the load detection module; the detection port of the load detection module is connected to the power line between the power-on controller and the air conditioner internal unit for detecting voltage and current .

A method for controlling the power-on of an air conditioner through human body induction in the present invention comprises the following steps:

a. At least one human detection sensor is installed on the air conditioning system, that is, one or more human detection sensors are installed on the outer surface of the air conditioner to detect the existence of the human body.

b. Set a signal processing chip connected to each human body detection sensor, and connect the signal processing chip with the control board of the air conditioner for communication. The signal processing chip processes the signal transmitted by the human body detection sensor, At the same time, it can communicate with the control board of the air conditioner.

c. Set up a power-on controller controlled by the output signal of the signal processing chip; install a power-on controller to control whether the air conditioner is powered on or not.

d. When a human body is detected within a period of time A, the signal processing chip controls the power-on controller to power on the air conditioning system. Generally, when a human body is detected for 8 to 12 seconds, a signal is sent to the signal processing chip, and the signal processing signal is received. After the signal, an instruction is sent to the power-on controller, and the air-conditioning system is powered on through the power-on controller.

e. If the return signal of normal operation sent by the control board is still not detected during the D period of time when the power is turned on, it will display a fault and cut off the power to the air conditioning system.

f. The air conditioner is turned on. During the operation of the air conditioner system, if the human body is detected to leave and no human body is detected for a continuous B period of time, the signal processing chip controls the power-on controller to power off the air conditioner system;

g. Set up a load detection module, connect the load detection module with the signal processing module, and connect the detection terminal of the load detection module to the line between the power-on controller and the air conditioner internal unit; when the load detection module detects that the input voltage is low When it is 165V or higher than 265V, it will display a voltage fault and cut off the power to the air conditioning system; when the load detection module detects that the input current is less than the limit value for 10 consecutive minutes or the current is greater than the limit value for 2 minutes, it will display a current fault and cut off the air conditioning system. For electricity, the limit value of 1P is 10A, and the subsequent ones can be set to 10A as the base, 1.5P is 1.2*10A as the limit value, and so on.

h. When the air conditioner is turned off, if no human body is detected within the time period C, the air conditioner system will be powered off.

The following steps are also included between the step d and the step e:

The following steps are also included between the step e and the step f:

The time period of A is 8-12 seconds.

The time period of B is 25-35 minutes.

The time period of C is 8-12 minutes.

The D time period is 8-12 minutes.

The above are only descriptions of the preferred embodiments of the present invention, but should not be construed as limiting the claims. The present invention is not limited to the above embodiments, and its specific structure is allowed to vary. All changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims (5)

1. A method for controlling the power-on of an air conditioner by human body induction, characterized in that: comprising the following steps: a. Install at least one human detection sensor on the air conditioning system; b. Set up a signal processing chip connected with each human body detection sensor, and connect the signal processing chip with the control board of the air conditioner internal unit for communication; c. Setting a power-on controller controlled by the output signal of the signal processing chip; d. When a human body is detected within a continuous period of time A, the signal processing chip controls the power-on controller to power on the air-conditioning system; e. If the return signal of normal operation sent by the control board is not detected during the D period of power-on, it will display a fault and cut off the power to the air-conditioning system; f. The air conditioner is turned on. During the operation of the air conditioner system, if the human body is detected to leave and no human body is detected for a continuous B period of time, the signal processing chip controls the power-on controller to power off the air conditioner system; g. Set up a load detection module, connect the load detection module with the signal processing module, and connect the detection terminal of the load detection module to the line between the power-on controller and the air conditioner internal unit; when the load detection module detects that the input voltage is low When it is 165V or higher than 265V, it will display a voltage fault and cut off the power to the air conditioning system; when the load detection module detects that the input current is less than the limit value for 10 consecutive minutes or the current is greater than the limit value for 2 minutes, it will display a current fault and cut off the air conditioning system. electricity; h. When the air conditioner is turned off, if no human body is detected within the time period C, the air conditioner system will be powered off. 2. The method for controlling the power-on of the air conditioner through human body induction according to claim 1, characterized in that: the time period A is 8-12 seconds. 3. The method for controlling the power-on of the air conditioner through human body induction according to claim 1, characterized in that: the B time period is 25-35 minutes. 4. The method for controlling the power-on of the air conditioner through human body induction according to claim 1, characterized in that: the time period C is 8-12 minutes. 5. The method for controlling the power-on of the air conditioner through human body induction according to claim 2, characterized in that: the D time period is 8-12 minutes.

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