CN219670865U - Human body induction circuit of clothes airing machine and clothes airing machine thereof - Google Patents
Human body induction circuit of clothes airing machine and clothes airing machine thereof Download PDFInfo
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- CN219670865U CN219670865U CN202320253246.4U CN202320253246U CN219670865U CN 219670865 U CN219670865 U CN 219670865U CN 202320253246 U CN202320253246 U CN 202320253246U CN 219670865 U CN219670865 U CN 219670865U
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- 230000006854 communication Effects 0.000 claims description 7
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- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000011896 sensitive detection Methods 0.000 claims 1
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- 102100037566 RNA/RNP complex-1-interacting phosphatase Human genes 0.000 description 2
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- 230000000844 anti-bacterial effect Effects 0.000 description 1
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- 230000002070 germicidal effect Effects 0.000 description 1
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Abstract
The utility model provides a human body induction circuit of a clothes airing machine and the clothes airing machine, and the human body induction circuit of the clothes airing machine is characterized by comprising a clothes airing machine main control module for outputting a fan state signal, a processing unit capable of receiving the fan state signal, an infrared detection unit for outputting an infrared detection signal and a radar detection unit for outputting a radar detection signal; the infrared detection unit, the radar detection unit and the airing machine main control module are respectively connected with the processing unit, the processing unit is used for outputting one or two of the infrared detection signals and the radar detection signals to the airing machine main control module, the airing machine is further disclosed, the human body induction circuit of the airing machine is included, the scheme can achieve that the airing machine avoids fan interference, accurately identifies personnel, and improves identification accuracy.
Description
Technical Field
The utility model relates to the field of human body detection of clothes airing machines, in particular to a human body sensing circuit of a clothes airing machine and the clothes airing machine.
Background
The airing machine is a balcony household product integrating various intelligent automatic functions such as full-effect three-dimensional drying technology, wireless radio frequency remote control, LED artistic lighting, light wave intelligent sterilization and the like.
Along with the intelligent development of the airing machine, the airing machine can automatically turn off a sterilizing lamp when sensing personnel, or sense personnel to automatically turn on the lamp in the night, and the principle of detecting personnel of the airing machine can refer to the technical scheme of patent application number 202210602005.6, so that the control method for the airing machine and the airing machine are disclosed, and the aim of solving the problem that misjudgment easily occurs when judging whether people are close or not in the existing airing machine is achieved. For this reason, be provided with sterilamp, radar sensor and infrared thermoscope on the airing machine, the sterilamp is used for disinfecting the clothing on the airing machine, and control method includes: in the running process of the bactericidal lamp, detecting whether a moving object exists in a set range of the clothes airing machine or not through a radar sensor; when the moving object is detected, detecting the temperature of the moving object through an infrared thermometer; the germicidal lamp is selectively turned off in accordance with the temperature of the moving object. When the radar sensor detects that a moving object is close to the clothes airing machine, the temperature of the moving object can be detected through the infrared thermometer, so that whether the moving object is a person or not is judged, the sterilizing lamp is turned off only when the moving object is judged to be the person, and the probability of misjudgment can be greatly reduced.
According to the scheme, the clothes airing machine detects whether a moving object exists through the radar, and then activates infrared detection to detect the temperature of the moving object, so that people can be accurately sensed, but the fan movement and the heat emitted by the fan easily cause detection misidentification.
Therefore, the scheme solves the problems of avoiding fan interference, accurately identifying personnel and improving identification accuracy of the clothes airing machine.
Disclosure of Invention
The utility model aims to provide a human body induction circuit of a clothes airing machine and the clothes airing machine, which can avoid the interference of a fan, accurately identify personnel and improve the identification accuracy.
In order to achieve the above object, the present utility model provides the following technical solutions:
the human body induction circuit of the clothes airing machine comprises a clothes airing machine main control module for outputting a fan state signal, a processing unit capable of receiving the fan state signal, an infrared detection unit for outputting an infrared detection signal and a radar detection unit for outputting a radar detection signal; the infrared detection unit, the radar detection unit and the airing machine main control module are respectively connected with the processing unit, and the processing unit is used for outputting one or two of the infrared detection signals and the radar detection signals to the airing machine main control module.
In the human body induction circuit of the clothes airing machine, when the fan state signal of the main control module of the clothes airing machine is at a high level, the output signal of the processing unit is an infrared detection signal of the infrared detection unit;
when the fan state signal of the main control module of the clothes airing machine is at a low level, the output signal of the processing unit is a radar detection signal of the radar detection unit or a combined signal of the radar detection unit and the infrared detection unit.
In the human body induction circuit of the clothes airing machine, the processing unit comprises an induction main control module and a thermosensitive detection module, wherein the induction main control module is connected with the main control module of the clothes airing machine in a bidirectional communication mode; the induction main control module is respectively connected with the infrared detection unit, the radar detection unit and the thermosensitive detection module;
when the environmental temperature signal of the thermosensitive detection module is low level and the fan state signal of the clothes airing machine main control module is low level, the output signal of the induction main control module is a combined signal of an infrared detection unit and a radar detection unit;
when the environmental temperature signal of the thermosensitive detection module is high level and the fan state signal of the clothes airing machine main control module is low level, the output signal of the induction main control module is a radar detection signal of a radar detection unit.
In the human body induction circuit of the clothes airing machine, the processing unit further comprises a filtering module; the voltage input end of the filtering module is connected with the VDD end of the induction main control module.
In the human body induction circuit of the clothes airing machine, the processing unit further comprises a first serial port module; the main control module, the first serial port module and the induction main control module of the clothes airing machine are sequentially connected in a serial port communication mode.
In the human body induction circuit of the clothes airing machine, the infrared detection unit comprises an infrared detection module and a voltage stabilizing module; the signal output end of the infrared detection module is connected with the infrared signal receiving end of the processing unit, and the voltage output end of the infrared detection module is connected with the voltage output end of the voltage stabilizing module.
In the human body induction circuit of the clothes airing machine, the radar detection unit comprises a second serial port module and a radar detection module; the processing unit, the second serial port module and the radar detection module are sequentially connected in a serial port communication mode.
In the human body induction circuit of the clothes airing machine, the radar detection unit further comprises a state indication module; the voltage input and output end of the state indicating module is connected with the voltage output end of the radar detection module, and the voltage output end of the state indicating module is grounded.
The human body induction circuit of the clothes airing machine further comprises a photosensitive detection module; the signal output end of the photosensitive detection module is connected with the photosensitive signal input end of the processing unit.
The airing machine comprises a machine body and further comprises the human body induction circuit of the airing machine, wherein the main control module of the airing machine is located in the machine body, and the infrared detection unit, the radar detection unit and the processing unit are arranged on the outer surface of the machine body.
Compared with the prior art, the scheme of the utility model has the following advantages:
1. in the human body induction circuit of the clothes airing machine, the main control module of the clothes airing machine outputs the state signal of the fan to the processing unit, after the processing unit receives the fan state signal, the corresponding module is selected for detection according to the rotating or stopping state of the fan, if the fan is in the rotating state, the processing unit takes the infrared detection signal received from the infrared detection unit as an output signal, so that the detection is carried out in an infrared detection mode, and the fan interference is avoided; when the fan is in a static state, the processing unit recognizes and outputs the fan to the main control module of the airing machine in a mode of combining the radar detection unit, the radar detection unit and the infrared detection unit, so that the airing machine can avoid the interference of the fan, accurately recognize personnel and improve the recognition accuracy.
2. In the human body induction circuit of the clothes airing machine, the main control module of the clothes airing machine correspondingly indicates the states of a rotating fan and a static fan by outputting high level and low level, the processing unit receives different levels so as to identify the states of the fan, and the high level and the low level are mutually contrast systems and can be implemented in the forms of pulse signals, sine waves and the like.
3. In the human body induction circuit of the clothes airing machine, the thermosensitive detection module and the induction main control module are combined for use, so that the processing unit can avoid the influence of the ambient temperature, and the identification accuracy is improved, for example, the induction main control module identifies the ambient temperature through the thermosensitive detection module, the ambient temperature is greater than or equal to the human body temperature, and the induction main control module identifies through a radar detection mode and outputs the identification to the main control module of the clothes airing machine; when the ambient temperature is less than the human body temperature, the detection mode is used for identifying through the combination detection of the infrared detection unit and the radar detection unit, so that the influence of the ambient temperature on detection personnel of the airing machine is reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a block diagram of a human body sensing circuit of a clothes drying machine according to an embodiment of the present utility model;
FIG. 2 is a circuit diagram of an inductive master module according to an embodiment of the utility model;
FIG. 3 is a circuit diagram of a filter module in an embodiment of the utility model;
FIG. 4 is a circuit diagram of a first serial port module according to an embodiment of the utility model;
FIG. 5 is a circuit diagram of an infrared detection module in an embodiment of the utility model;
FIG. 6 is a circuit diagram of a voltage regulator module according to an embodiment of the utility model;
FIG. 7 is a circuit diagram of a radar detection module in one embodiment of the utility model;
FIG. 8 is a circuit diagram of a second serial port module according to an embodiment of the utility model;
FIG. 9 is a circuit diagram of a status indication module in one embodiment of the utility model;
FIG. 10 is a circuit diagram of a photosensitive detection module in an embodiment of the present utility model;
fig. 11 is a circuit diagram of a thermal sensing module in an embodiment of the utility model.
Reference numerals: 1. the induction main control module; 2. a filtering module; 3. the first serial port module; 4. an infrared detection module; 5. a voltage stabilizing module; 6. a radar detection module; 7. the second serial port module; 8. a status indication module; 9. a photosensitive detection module; 10. and a thermosensitive detection module.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in fig. 1-11, the utility model provides a human body induction circuit of a clothes airing machine, which comprises a clothes airing machine main control module for outputting a fan state signal, a processing unit for receiving the fan state signal, an infrared detection unit for outputting an infrared detection signal and a radar detection unit for outputting a radar detection signal; the infrared detection unit, the radar detection unit and the airing machine main control module are respectively connected with the processing unit, and the processing unit is used for outputting one or two of the infrared detection signals and the radar detection signals to the airing machine main control module.
The main control module of the clothes airing machine outputs a state signal of a fan to the processing unit, and after the processing unit receives the fan state signal, the corresponding module is selected to detect according to the rotating or stopping state of the fan, if the fan is in a rotating state, the processing unit takes an infrared detection signal received from the infrared detection unit as an output signal, so that the fan is identified in an infrared detection mode, and the fan interference is avoided; when the fan is in a static state, the processing unit recognizes and outputs the fan to the main control module of the airing machine in a mode of combining the radar detection unit, the radar detection unit and the infrared detection unit, so that the airing machine can avoid the interference of the fan, accurately recognize personnel and improve the recognition accuracy.
In a specific implementation, when the fan state signal of the main control module of the clothes airing machine is at a high level, the output signal of the processing unit is an infrared detection signal of the infrared detection unit;
when the fan state signal of the main control module of the clothes airing machine is at a low level, the output signal of the processing unit is a radar detection signal of the radar detection unit or a combined signal of the radar detection unit and the infrared detection unit.
The main control module of the clothes airing machine correspondingly indicates the states of the rotating fan and the static fan by outputting high level and low level, the processing unit receives different levels so as to identify the states of the fan, the high level and the low level are mutually contrast systems, the high level and the low level can be implemented in the forms of pulse signals, sine waves and the like, and the implementation is not excessively limited.
The processing unit comprises an induction main control module 1 and a thermosensitive detection module 10, wherein the induction main control module 1 is connected with a main control module of the clothes airing machine in a bidirectional communication mode, and the thermosensitive detection module is used for outputting an ambient temperature signal; the induction main control module 1 is respectively connected with an infrared detection unit, a radar detection unit and a thermosensitive detection module 10;
when the environmental temperature signal of the thermistor is low level and the fan state signal of the main control module of the clothes airing machine is low level, the output signal of the induction main control module 1 is a combined signal of an infrared detection unit and a radar detection unit; when the environmental temperature signal of the thermistor is at a high level and the fan state signal of the main control module of the clothes airing machine is at a low level, the output signal of the induction main control module 1 is a radar detection signal of a radar detection unit.
The working principle of the processing unit is that the thermosensitive detection module 10 is combined with the induction main control module 1, so that the processing unit can avoid the influence of the ambient temperature, and the identification accuracy is improved, for example, the induction main control module 1 identifies the ambient temperature through the thermosensitive detection module 10, the ambient temperature is greater than or equal to the human body temperature, and the induction main control module 1 identifies and outputs the ambient temperature to the main control module of the clothes airing machine in a radar detection mode; when the ambient temperature is less than the human body temperature, the detection mode is used for identifying through the combination detection of the infrared detection unit and the radar detection unit, so that the influence of the ambient temperature on detection personnel of the airing machine is reduced.
The sensing main control module 1 is specifically a chip U1, and the specific model is SC92F7461B, as shown IN fig. 1, and there are 16 pins, pin 1 is a VDD terminal, pin 2 is an ld_in terminal, pin 3 is a VSS terminal, pin 5 is a RXO terminal, pin 6 is a TXO terminal, pin 9 is an LR terminal, pin 10 is an IR terminal, pin 11 is an NTC terminal, pin 12 is an RX1 terminal, pin 13 is a TX1 terminal, and pin 15 is a Dext terminal.
Preferably, the processing unit further comprises a filtering module 2; the voltage input end of the filtering module 2 is connected with the VDD end of the induction main control module 1.
As shown in fig. 10, the specific structure of the thermal sensing module 10 includes a resistor R12, a thermistor RT1, and a capacitor C12 connected in parallel with the thermistor RT 1; the voltage output end of the resistor R12 is connected with the NTC end of the chip U1, the voltage input end of the thermistor RT1 is connected with the voltage output end of the resistor R12, and the voltage output end is grounded.
The filtering module 2 is connected in parallel with the sensing main control module 1, so as to achieve the filtering effect, and in specific implementation, the +5V end (namely the voltage input end) of the filtering module 2 is connected with the VDD end of the sensing main control module 1.
As shown in fig. 2, the specific structure of the filtering module 2 includes capacitors C1 and C2 connected in parallel, where a voltage output terminal of the capacitor C1 is grounded, and a voltage input terminal (i.e., a +5v terminal of the filtering module 2) of the capacitor C1 is connected to a VDD terminal of the sensing main control module 1.
Preferably, the processing unit further comprises a first serial port module 3; the main control module, the first serial port module 3 and the induction main control module 1 of the clothes airing machine are sequentially connected in a serial port communication mode.
The first serial port module 3 is specifically a serial port ISP, as shown in fig. 3, and has four pins, where the first pin is grounded, the second pin is a TXO end, connected to the TXO end of the chip U1, the third pin is an RX0 end, connected to the RXO end of the chip U1, and the fourth pin is a voltage input end.
The specific structure of the infrared detection unit is that the infrared detection unit comprises an infrared detection module 4 and a voltage stabilizing module 5; the signal output end of the infrared detection module 4 is connected with the infrared signal receiving end of the processing unit, and the voltage output end of the infrared detection module 4 is connected with the voltage output end of the voltage stabilizing module 5.
As shown in fig. 5, the voltage stabilizing module 5 has a specific structure including a chip U3, a capacitor C9 and a capacitor C10; the chip U3 is provided with three pins, the 1 st pin is grounded, the 2 nd pin is a voltage output end, the 3 rd pin is a voltage output end and is connected with the voltage output end of the infrared detection module 4, the voltage input end of the capacitor C9 is connected with the 2 nd pin of the chip U1, the voltage output end is grounded, and the voltage input end of the capacitor C10 is connected with the 3 rd pin of the chip U1 and the voltage output end is grounded.
As shown in fig. 4, the specific structure of the infrared detection module 4 includes a chip U2 and a probe PIR1; the S end of the probe PIR1 outputs an analog signal to the 2 nd pin of the chip U2, the analog signal is output through the 6 th pin, and the 6 th pin is connected with the LR end of the chip U1.
A further improvement, the radar detection unit comprises a second serial port module 7 and a radar detection module 6; the processing unit, the second serial port module 7 and the radar detection module 6 are sequentially connected in a serial port communication mode.
The second serial port module 7 is arranged, so that the induction main control module 1 and the radar detection module 6 are in bidirectional communication, and the sensitivity of the radar detection module 6 can be adjusted by the induction main control module 1 through the second serial port module 7.
As shown in fig. 7, the specific structure of the second serial port module 7 includes a serial port JP1, five pins are all provided, the 1 st pin is a voltage output terminal, the 2 nd pin is grounded, the 3 rd pin is connected with the ct terminal of the chip U1, the 4 th pin is connected with the TX1 of the chip U1, the 5 th pin is connected with the RX1 of the chip U1, and a capacitor C11 is connected between the first pin and the 2 nd pin.
Further improved, the radar detection unit further comprises a status indication module 8; the voltage input and output end of the state indicating module 8 is connected with the voltage output end of the radar detection module 6, and the voltage output end of the state indicating module is grounded.
The operating state of the radar detection unit is displayed by means of a state indication module 8.
As shown in fig. 8, the specific structure of the status indication module 8 includes a resistor R15 and a light emitting diode Gr; the voltage input end of the resistor R15 is connected with the LD_IN end (namely the 3 rd pin) of the radar detection module 6CN1, the voltage output end is connected with the voltage input end of the light emitting diode, and the voltage output end of the light emitting diode is grounded.
As a further improvement of the present embodiment, a photosensitive detection module 9 is also included; the signal output end of the photosensitive detection module 9 is connected with the photosensitive signal input end of the processing unit.
The photosensitive detection module 9 has a specific structure comprising a resistor R1, a photosensitive resistor RL1 and a capacitor C3 connected with the photosensitive resistor RL1 in parallel; the voltage output end of the resistor R1 is connected with the LR end of the chip U1, the voltage input end of the photoresistor RL1 is connected with the voltage output end of the resistor R1, and the voltage output end is grounded.
The radar detection module 6 in this embodiment is a doppler microwave detection radar, and as shown in fig. 1 to 10, the same reference numerals are marked on different modules to indicate that the terminals with the same symbols are connected.
The radar detection module 6, the photosensitive detection module 9, the thermosensitive detection module 10, the first serial port module 3, the second serial port module 7 and the voltage stabilizing module 5 can all take points on the main control module of the airing machine, and can also be externally connected with a power supply to take electricity, so that the embodiment does not have excessive limitation.
The airing machine comprises a machine body and further comprises a human body induction circuit of the airing machine, wherein the main control module of the airing machine is positioned in the machine body, and the infrared detection unit, the radar detection unit and the processing unit are arranged on the outer surface of the machine body.
The foregoing is only a partial embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The human body induction circuit of the airing machine comprises an airing machine main control module for outputting a fan state signal and is characterized by further comprising a processing unit capable of receiving the fan state signal, an infrared detection unit for outputting an infrared detection signal and a radar detection unit for outputting a radar detection signal; the infrared detection unit, the radar detection unit and the airing machine main control module are respectively connected with the processing unit, and the processing unit is used for outputting one or two of the infrared detection signals and the radar detection signals to the airing machine main control module.
2. The human body induction circuit of the clothes airing machine according to claim 1, wherein when a fan state signal of a main control module of the clothes airing machine is at a high level, an output signal of the processing unit is an infrared detection signal of an infrared detection unit;
when the fan state signal of the main control module of the clothes airing machine is at a low level, the output signal of the processing unit is a radar detection signal of the radar detection unit or a combined signal of the radar detection unit and the infrared detection unit.
3. The human body induction circuit of the airing machine according to claim 2, wherein the processing unit comprises an induction main control module connected with the main control module of the airing machine in a two-way communication manner and a heat-sensitive detection module for outputting an ambient temperature signal; the induction main control module is respectively connected with the infrared detection unit, the radar detection unit and the thermosensitive detection module;
when the environmental temperature signal of the thermosensitive detection module is low level and the fan state signal of the clothes airing machine main control module is low level, the output signal of the induction main control module is a combined signal of an infrared detection unit and a radar detection unit;
when the environmental temperature signal of the thermosensitive detection module is high level and the fan state signal of the clothes airing machine main control module is low level, the output signal of the induction main control module is a radar detection signal of a radar detection unit.
4. A airing machine body sensing circuit according to claim 3, wherein the processing unit further comprises a filtering module; the voltage input end of the filtering module is connected with the VDD end of the induction main control module.
5. A airing machine human body sensing circuit according to claim 3, wherein the processing unit further comprises a first serial port module; the main control module, the first serial port module and the induction main control module of the clothes airing machine are sequentially connected in a serial port communication mode.
6. The human body induction circuit of the airing machine according to claim 1, wherein the infrared detection unit comprises an infrared detection module and a voltage stabilizing module; the signal output end of the infrared detection module is connected with the infrared signal receiving end of the processing unit, and the voltage output end of the infrared detection module is connected with the voltage output end of the voltage stabilizing module.
7. The human body induction circuit of the airing machine according to claim 1, wherein the radar detection unit comprises a second serial port module and a radar detection module; the processing unit, the second serial port module and the radar detection module are sequentially connected in a serial port communication mode.
8. The human body sensing circuit of the airing machine according to claim 7, wherein the radar detection unit further comprises a status indication module; the voltage input and output end of the state indicating module is connected with the voltage output end of the radar detection module, and the voltage output end of the state indicating module is grounded.
9. The human body sensing circuit of the airing machine according to claim 1, further comprising a photosensitive detection module; the signal output end of the photosensitive detection module is connected with the photosensitive signal input end of the processing unit.
10. The airing machine comprises a machine body and is characterized by further comprising the human body induction circuit of the airing machine according to any one of claims 1-9, wherein the main control module of the airing machine is positioned in the machine body, and the infrared detection unit, the radar detection unit and the processing unit are arranged on the outer surface of the machine body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320253246.4U CN219670865U (en) | 2023-02-16 | 2023-02-16 | Human body induction circuit of clothes airing machine and clothes airing machine thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320253246.4U CN219670865U (en) | 2023-02-16 | 2023-02-16 | Human body induction circuit of clothes airing machine and clothes airing machine thereof |
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| CN219670865U true CN219670865U (en) | 2023-09-12 |
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| CN202320253246.4U Active CN219670865U (en) | 2023-02-16 | 2023-02-16 | Human body induction circuit of clothes airing machine and clothes airing machine thereof |
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