TWM611539U - Separation type range hood - Google Patents

Abstract

A separated range hood includes a smoke collecting body, a pressurized exhaust pipe, an air collecting body, an exhaust duct, a fan, an indicator light, and a control unit. The smoke collecting body is used to be installed above the heating stove, one end of the air collecting body is connected to the smoke collecting body by the pressurized exhaust pipe, and the other end of the air collecting body is connected to the exhaust duct; The fan is arranged in the air collecting body. The control unit is electrically connected to the fan and the indicator light, and the control unit can be used to control the opening and closing of the fan and the adjustment of the speed, and can be used to control the opening and closing of the indicator light and the brightness of the light. Adjustment to improve the overall user experience of the range hood.

Description

Separate range hood

This creation relates to a separate range hood, especially a range hood in which the fan and the smoke collecting body are separated.

With the advancement of science and technology and the improvement of living standards, various household appliances are rapidly popularized and widely used. Range hoods have long become a must-have appliance in the kitchen. At present, most of the fans of range hoods on the market are directly above the fume hood, which causes too much noise and the fan is easily damaged by pollution, and the range hoods are not sufficiently automated and user-friendly in use, so users are The user experience of using the range hood cannot be effectively improved.

Therefore, the inventor of this creation feels that the above-mentioned shortcomings can be improved, and with great concentration of research and the application of academic theory, finally proposed a rational design and effective improvement of the above-mentioned shortcomings of the original creation.

The technical problem to be solved by this creation is to provide a separate range hood for the shortcomings of the prior art.

In order to solve the above technical problems, this creation provides a separate range hood, including: a smoke collecting body, a pressurized exhaust pipe, an air collecting body, an exhaust duct, a fan, an indicator light, and A control unit, the smoke collecting body is used to install above the heating stove, one end of the air collecting body is connected to the smoke collecting body by the pressurized exhaust pipe, and the other end of the air collecting body is connected to the An exhaust duct, the fan is arranged in the air collector, the control unit is electrically connected to the fan and the indicator light, and the control unit can be used to control the opening and closing of the fan and the adjustment of the speed , And can be used to control the opening and closing of the indicator light and adjust the brightness of the light.

Preferably, the control unit is electrically connected to a first wireless signal transceiver, the fan is electrically connected to a second wireless signal transceiver, and the control unit transmits a wireless signal through the first wireless signal transceiver. Signal, the fan receives the wireless signal through the second wireless signal transceiver.

Preferably, the wireless signal sent by the control unit through the first wireless signal transceiver is a Bluetooth signal, Wi-Fi signal, infrared signal, UWB signal, RFID signal, RF signal, GPRS signal, Zig- One of Bee signal, NFC signal, Z-Wave signal.

Preferably, the control unit receives an external wireless signal through the first wireless signal transceiver, and can control the opening and closing of the fan and the adjustment of the rotation speed according to the external wireless signal, and correspondingly control the indicator light The opening and closing of the lamp, the adjustment of the brightness of the light and the change of the color of the light.

Preferably, the external wireless signal received by the control unit through the first wireless signal transceiver is a Bluetooth signal, Wi-Fi signal, infrared signal, UWB signal, RFID signal, RF signal, GPRS signal, Zig -One of Bee signal, NFC signal, Z-Wave signal.

Preferably, the smoke collecting body is provided with an infrared temperature detector electrically connected to the control unit, and the infrared temperature detector can be used to detect the temperature under the smoke collecting body and feed it back to the control Unit to enable the control unit to automatically control the operation of the fan according to the temperature fed back by the infrared temperature detector, and control the operation of the fan when the temperature fed back by the infrared temperature detector is the first temperature The rotation speed is the first rotation speed; when the temperature feedback by the infrared temperature detector is the second temperature, the rotation speed of the fan is controlled to the second rotation speed; when the temperature feedback by the infrared temperature detector is the third temperature , Control the rotation speed of the fan as the third rotation speed.

Preferably, the control unit can further control the fan to continue to run for a period of time before stopping when judging that the change in temperature per unit time is greater than a certain value based on the temperature fed back by the infrared temperature detector.

Preferably, the control unit is further configured to control the light brightness of the indicator light to the first brightness when the rotation speed of the fan is controlled to be the first rotation speed, and to control the lighting when the rotation speed of the fan is controlled to the second rotation speed. The light brightness of the indicator light is the second brightness, and when the rotation speed of the fan is controlled to the third rotation speed, the light brightness of the indicator light is controlled to the third brightness.

Preferably, the control unit is further configured to control the light color of the indicator light to the first light color when the rotation speed of the fan is controlled to the first rotation speed, and to control when the rotation speed of the fan is controlled to the second rotation speed. The light color of the indicator light is the second light color, and when the rotation speed of the fan is controlled to be the third rotation speed, the light color of the indicator light is controlled to be the third light color.

Preferably, the indicator light is provided with an indicator light rotating motor electrically connected to the control unit, and the smoke collecting body is provided with a human body sensor electrically connected to the control unit, and the human body sensor can For sensing the human body position information of the surrounding area of the cigarette collecting body, the control unit can control the indicator light according to the human body position information fed back by the human body sensor to control the opening and closing and brightness of the indicator light, Therefore, the rotation of the indicator light is controlled as the human body enters and leaves the peripheral area of the smoke collecting body.

Preferably, the smoke collecting body is provided with a PM2.5 concentration detecting device electrically connected to the control unit, and the PM2.5 concentration detecting device can be used to detect and feed back PM2.5 concentration information in the air To the control unit, and the control unit is configured to control the PM2.5 concentration detection device to start detection when receiving the human body position information fed back by the human sensor, and when the PM2.5 concentration detection device is not received When the human body position information is fed back by the human body sensor, the PM2.5 concentration detection device is controlled to turn off detection, and the PM2.5 concentration detection device will be fed back according to the PM2.5 concentration detection device after the PM2.5 concentration detection device is activated. When it is determined that the PM2.5 concentration information is greater than the preset threshold, the fan is controlled to start, thereby forming a negative pressure in the room, and achieving indoor air circulation to reduce the PM2.5 concentration.

Preferably, the control unit can control the opening and closing of the indicator light and the adjustment of the light color according to the PM2.5 concentration information fed back by the PM2.5 concentration detection device, so that the light color of the indicator light follows The PM2.5 concentration information fed back by the PM2.5 concentration detecting device changes.

Preferably, the smoke collecting body is provided with a carbon monoxide detecting device electrically connected to the control unit, and the carbon monoxide detecting device can be used to detect carbon monoxide concentration information in the air and feed it back to the control unit, and When the control unit judges that the carbon monoxide concentration information fed back by the carbon monoxide detecting device is greater than a preset threshold value, it controls the fan to start, thereby forming a negative pressure in the room to achieve indoor air circulation to reduce the carbon monoxide concentration.

Preferably, the smoke collecting body is provided with a carbon dioxide detection device electrically connected to the control unit, and the carbon dioxide detection device can be used to detect carbon dioxide concentration information in the air and feed it back to the control unit, and When the control unit determines that the carbon dioxide concentration information fed back by the carbon dioxide detection device is greater than a predetermined threshold value, the control unit controls the fan to start, thereby forming a negative pressure in the room to achieve indoor air circulation to reduce the carbon dioxide concentration.

Preferably, the control unit can control the opening and closing of the indicator lights according to the carbon monoxide concentration information fed back by the carbon monoxide detecting device and the carbon dioxide concentration information fed back by the carbon dioxide detecting device, and display them in different light colors.

Preferably, the cigarette collecting body is provided with a body sensor electrically connected to the control unit, and the body sensor can be used to sense body position information in the peripheral area of the cigarette collecting body, and the control The unit can control the opening and closing of the indicator light according to the human body position information fed back by the human body sensor.

Preferably, the cigarette collecting body is provided with a Bluetooth audio device electrically connected to the control unit, which can be connected to a mobile phone to play the sent audio.

The beneficial effect of this creation is at least that the separated range hood provided by this creation is a range hood in which the fan is separated from the smoke collecting body, which effectively reduces the noise of the range hood as a whole, and through the control unit Electrically connect the fan and the indicator light, so that the control unit controls the opening and closing of the fan and the adjustment of the rotation speed, and correspondingly controls the opening and closing of the indicator light, the adjustment of the brightness of the light, and the adjustment of the color of the light. The automation and humanization of the range hood can be effectively improved, thus greatly improving the user experience of the user in using the range hood.

In order to further understand the features and technical content of this creation, please refer to the following detailed descriptions and drawings about this creation. However, the drawings provided are only for reference and explanation, and are not used to limit this creation.

The following are specific specific examples to illustrate the related implementations disclosed in this creation, and those skilled in the art can understand the advantages and effects of this creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of this creation. In addition, the drawings of this creation are merely schematic illustrations, and are not depicted in actual size, and are stated in advance. The following implementations will further describe the related technical content of this creation in detail, but the disclosed content is not intended to limit the protection scope of this creation. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

Please refer to Figure 1 and Figure 2. This creation provides a separate range hood. As shown in Figure 1, the separated range hood provided by this creation basically includes a smoke collecting body 1, a pressurized exhaust pipe 2, an air collecting body 3, an exhaust duct 4, a fan 5, and a Indicator light 6, and a control unit 7. In addition, the separated range hood provided by this creation is a range hood in which the fan 5 and the smoke collecting body 1 are separated.

The smoke collecting body 1 is used to be installed above the heating stove H. In this embodiment, the smoke-collecting body 1 may be a smoke-collecting hood, that is, a cover with an opening formed at the bottom, so that the fume in the kitchen can be sucked in from the bottom of the smoke-collecting body 1. The shape of the smoke collecting body 1 of this embodiment is not limited, and can be changed according to actual needs. In this embodiment, the smoke collecting body 1 is roughly rectangular.

One end of the air collecting body 3 is connected to the smoke collecting body 1 by the pressurized exhaust pipe 2, and the fan 5 is arranged in the air collecting body 3 so that the fan 5 and the air collecting body 3 are connected to each other. The body 3 is far away from the smoke collecting body 1 so as to reduce the noise of the smoke collecting body 1. In addition, the pressurized exhaust pipe 2 has a bent portion to prevent the smoke collected by the smoke collecting body 1 from directly rushing to the fan 5 and the air collecting body 3 and being contaminated.

Furthermore, the air collecting body 3 has an air collecting opening 31 and an air outlet 32 at both ends, and the air collecting body 3 may also be provided with multiple air collecting openings, for example, at the top and bottom of the air collecting body 3, etc. The location is equipped with air collecting openings, and each air collecting opening can be opened or closed according to actual needs. In this embodiment, the air collecting port 31 at one end of the air collecting body 3 is connected to the smoke collecting body 1 by the pressurized exhaust pipe 2, and the air outlet 32 at the other end of the air collecting body 3 is connected to the Exhaust duct 4. When the fan 5 installed in the air collecting body 3 is operating, the flue gas can pass through the smoke collecting body 1, the pressurized exhaust pipe 2, the air collecting port 31, and the air outlet 32. The exhaust duct 4 is exhausted to the outside.

The indicator light 6 and the control unit 7 are usually arranged on the smoke collecting body 1, but may not be arranged on the smoke collecting body 1, and may be independent devices. The control unit 7 may be a fixed type or a separate type. The indicator light 6 may be an atmosphere light, and the number and shape of the indicator light 6 are not limited, and can be appropriately changed according to needs. The control unit 7 is electrically connected to the indicator light 6 and the fan 5, and the control unit 7 can be used to control the opening and closing of the fan 5 and the speed adjustment, and the control unit 7 can be used to Control the opening and closing of the indicator light 6, the adjustment of the brightness of the light, and the adjustment of the color of the light.

Furthermore, the control unit 7 can wirelessly or wiredly control the opening and closing of the fan 5 and the adjustment of the speed, and can also wirelessly or wiredly control the opening and closing of the indicator light 6, the adjustment of the brightness of the light, and the adjustment of the light color Adjustment.

Furthermore, the control unit 7 is electrically connected to a first wireless signal transceiver 8, the fan 5 is electrically connected to a second wireless signal transceiver 9, and the control unit 7 transmits the first wireless signal The transceiver 8 sends out a wireless signal, and the fan 5 receives the wireless signal through the second wireless signal transceiver 9. Wherein, the wireless signal may be a Bluetooth signal, Wi-Fi signal, infrared signal, UWB (ultra-wideband) signal, RFID (radio frequency identification) signal, RF (radio frequency) signal, GPRS (General Packet Radio Service) signal, One of Zig-Bee signals, NFC (Near-field communication) signals, and Z-Wave signals.

Furthermore, the control unit 7 can further receive an external wireless signal through the first wireless signal transceiver 8, such as an external wireless signal sent by a remote controller or a mobile phone, and can control the external wireless signal according to the external wireless signal. The opening and closing of the fan 5 and the adjustment of the rotating speed and correspondingly control the opening and closing of the indicator light 6, the adjustment of the light brightness and the adjustment of the light color. Wherein, the external wireless signal may be one of a Bluetooth signal, a Wi-Fi signal, an infrared signal, a UWB signal, an RFID signal, an RF signal, a GPRS signal, a Zig-Bee signal, an NFC signal, and a Z-Wave signal.

In one embodiment, referring to FIG. 3 further, an infrared temperature detector 11 electrically connected to the control unit 7 may be provided at an appropriate position of the smoke collecting body 1, such as the bottom. The sensor 11 can be used to detect the temperature under the smoke collecting body 1 and feed it back to the control unit 7, so that the control unit 7 can automatically control the fan according to the temperature fed back by the infrared temperature detector 11 The operation of 5, that is, the operation of the fan 5 can be automatically controlled according to the temperature generated by the heating furnace H under the smoke collecting body 1, when the temperature feedback by the infrared temperature detector 11 is low (the first temperature) ), the rotation speed of the fan 5 is controlled to a low speed (first rotation speed); when the temperature fed back by the infrared temperature detector 11 is a medium temperature (second temperature), the rotation speed of the fan 5 is controlled to a medium speed (Second rotation speed); when the temperature fed back by the infrared temperature detector 11 is a high temperature (third temperature), the rotation speed of the fan 5 is controlled to a high speed (third rotation speed).

Furthermore, the control unit 7 can further control the fan 5 to continue to run for a period of time before stopping when judging that the change in temperature per unit time is greater than a certain value based on the temperature fed back by the infrared temperature detector 11 Eliminate waste heat. In addition, the control unit 7 may also control the fan 5 to continue to run for a period of time before stopping when receiving the shutdown signal, so as to quickly remove the residual heat.

In one embodiment, the control unit 7 is further configured to control the light brightness of the indicator light 6 to low brightness (first brightness) when the rotation speed of the fan 5 is controlled to be a low speed. When the rotation speed is medium speed, the light brightness of the indicator light 6 is controlled to be medium brightness (second brightness), and when the rotation speed of the fan 5 is controlled to be high speed, the light brightness of the indicator light 6 is controlled to be high brightness (third brightness). Brightness), which allows users to intuitively understand the current fan speed through different light brightness.

In different embodiments, the control unit 7 is configured to control the light color of the indicator light 6 to be green (the first light color) when the rotation speed of the fan 5 is controlled to be a low speed, and when the fan 5 is controlled, the light color of the indicator light 6 is green (the first light color). When the rotation speed is medium speed, the light color of the indicator light 6 is controlled to be blue (the second light color), and when the rotation speed of the fan 5 is controlled to be high speed, the light color of the indicator light 6 is controlled to be red (the third light color). Light color), which allows users to get a more intuitive understanding of the current fan speed through different light colors.

In one embodiment, referring to FIG. 4 further, the indicator light 6 may be provided with an indicator light rotating motor 12 electrically connected to the control unit 7 at an appropriate position, such as the top or the side. A human body sensor 13 electrically connected to the control unit 7 can be provided at an appropriate position of the main body 1, such as the bottom or the side, and the human body sensor 13 can be used to sense the peripheral area of the smoke collecting main body 1. The control unit 7 can control the indicator light rotating motor 12 according to the human body position information fed back by the human body sensor 13 to control the rotation of the indicator light 6, so as to follow the human body into the set The peripheral area of the cigarette main body 1 and the peripheral area away from the cigarette main body 1 control the display and rotation of the indicator light 6, thereby allowing the user to be able to control the display and rotation of the indicator light 6 at a distance or directly under the cigarette main body 1. The indicator light 6 can be clearly seen by the indicator light 6 which can be rotated automatically. Moreover, in addition to controlling the rotation of the indicator light 6 according to the body position information fed back by the body sensor 13, the control unit 7 can also control the indication according to the body position information fed back by the body sensor 13 The opening and closing of the lamp 6, the adjustment of the brightness of the light, and the adjustment of the light color make the light intensity frequency and light color of the indicator light 6 change with the human body position information.

In one embodiment, referring to FIG. 5 further, a PM2.5 concentration detecting device 14 electrically connected to the control unit 7 may be provided at an appropriate position of the smoke collecting body 1, such as the bottom or the side. Moreover, the PM2.5 concentration detecting device 14 can be used to detect PM2.5 concentration information in the air and feed it back to the control unit 7. In addition, the control unit 7 is configured to control the PM2.5 concentration detection device 14 to start detection when receiving the human body position information fed back by the human body sensor 13, and when the body sensor 13 is not received When the human body position information fed back by the detector 13 controls the PM2.5 concentration detection device 14 to turn off detection, and after the PM2.5 concentration detection device 14 starts the detection, the PM2.5 concentration detection device is controlled according to the PM2.5 concentration detection device 14 When the feedback PM2.5 concentration information is judged to be greater than the preset threshold value, the fan is controlled to start, thereby forming a negative pressure in the room, and achieving indoor air circulation to reduce the PM2.5 concentration, so as to effectively remove the PM2.5 concentration when there are people. PM2.5 quickly improves air quality.

Furthermore, the control unit 7 can also control the opening and closing of the indicator light 6 and the adjustment of the light color according to the PM2.5 concentration information fed back by the PM2.5 concentration detecting device 14, so that the indicator light 6 is The color of the light changes with the PM2.5 concentration information.

In one embodiment, referring to FIG. 6, a carbon monoxide detecting device 15 electrically connected to the control unit 7 may be provided at an appropriate position of the smoke collecting body 1, such as the bottom or the side, and the The carbon monoxide detecting device 15 can be used to detect the carbon monoxide concentration information in the air and feed it back to the control unit 7, and the control unit 7 judges that the carbon monoxide concentration information fed back by the carbon monoxide detecting device 15 is greater than a preset threshold value, The fan 5 is controlled to start, thereby forming a negative pressure in the room, so as to achieve the indoor air circulation and reduce the carbon monoxide concentration. In addition, a carbon dioxide detecting device 16 electrically connected to the control unit 7 can be provided at an appropriate position of the smoke collecting body 1, such as the bottom or the side, and the carbon dioxide detecting device 16 can be used to detect air. The carbon dioxide concentration information is fed back to the control unit 7, and when the control unit 7 determines that the carbon dioxide concentration information fed back by the carbon dioxide detection device 16 is greater than a predetermined threshold, it controls the fan 5 to start, thereby enabling the indoor Form negative pressure to achieve indoor air circulation to reduce carbon dioxide concentration.

Furthermore, the control unit 7 can also control the opening and closing of the indicator light 6 based on the carbon monoxide concentration information fed back by the carbon monoxide detecting device 15 and the carbon dioxide concentration information fed back by the carbon dioxide detecting device 16 Light color display.

In addition, a Bluetooth audio device 17 electrically connected to the control unit can be provided at an appropriate position of the cigarette collecting body 1, such as the bottom or the side, which can be connected with a mobile phone to play audio sent by the mobile phone. Making cooking is also a kind of enjoyment.

[Beneficial effects of the embodiment]

The beneficial effect of this creation is at least that the separated range hood provided by this creation is a range hood in which the fan 5 is separated from the smoke collecting body 1, which effectively reduces the noise of the range hood as a whole, and through the described The control unit 7 is electrically connected to the fan 5 and the indicator light 6, so that the control unit 7 controls the opening and closing of the fan 5 and the adjustment of the speed, and controls the opening and closing of the indicator 6 and the brightness of the light. The adjustment and the adjustment of the light color have effectively improved the automation and humanization of the range hood, thus greatly improving the user experience of the user in the use of the range hood.

The content disclosed above is only a preferred and feasible embodiment of this creation, and does not limit the scope of patent application for this creation. Therefore, all equivalent technical changes made using this creation specification and schematic content are included in the application for this creation. Within the scope of the patent.

1: Cigarette body 2: Pressurized exhaust pipe 3: wind-collecting body 31: set tuyere 32: Air outlet 4: Exhaust duct 5: Fan 6: indicator light 7: Control unit 8: The first wireless signal transceiver 9: The second wireless signal transceiver 11: Infrared temperature detector 12: Indicator light rotating motor 13: Human body sensor 14: PM2.5 concentration detection device 15: Carbon monoxide detection device 16: Carbon dioxide detection device 17: Bluetooth audio device H: Heating stove

Figure 1 is a schematic diagram of the created separate range hood.

Figure 2 is a functional block diagram (1) of the created separate range hood.

Figure 3 is a functional block diagram of the creative separate range hood (2).

Figure 4 is a functional block diagram (3) of the creative separate range hood.

Figure 5 is a functional block diagram (4) of the creative separate range hood.

Figure 6 is a functional block diagram of the creative separate range hood (5).

1: Cigarette body

2: Pressurized exhaust pipe

3: wind-collecting body

31: set tuyere

32: Air outlet

4: Exhaust duct

5: Fan

6: indicator light

7: Control unit

8: The first wireless signal transceiver

9: The second wireless signal transceiver

H: Heating stove

Claims (15)

A separated range hood, comprising: a smoke collecting body, a pressurized exhaust pipe, an air collecting body, an exhaust duct, a fan, an indicator light, and a control unit. When installed above the heating stove, one end of the air collecting body is connected to the smoke collecting body with the pressurized exhaust pipe, the other end of the air collecting body is connected to the exhaust duct, and the fan is arranged at the In the air collecting body, the control unit is electrically connected to the fan and the indicator light, and the control unit can be used to control the opening and closing of the fan and the adjustment of the rotation speed, and can be used to control the indicator light The opening and closing of the lamp, the adjustment of the brightness of the light. The separate range hood according to claim 1, wherein the control unit is electrically connected to a first wireless signal transceiver, the fan is electrically connected to a second wireless signal transceiver, and the control unit is electrically connected to The first wireless signal transceiver sends out a wireless signal, and the wind turbine receives the wireless signal through the second wireless signal transceiver. The separate range hood according to claim 2, wherein the wireless signal sent by the control unit through the first wireless signal transceiver is a Bluetooth signal, Wi-Fi signal, infrared signal, UWB signal, RFID One of signal, RF signal, GPRS signal, Zig-Bee signal, NFC signal, Z-Wave signal. The separate range hood according to claim 2, wherein the control unit receives an external wireless signal through the first wireless signal transceiver, and can control the opening and closing of the fan according to the external wireless signal The adjustment of the speed and the corresponding control of the opening and closing of the indicator light, the adjustment of the light brightness and the change of the light color. The separate range hood according to claim 4, wherein the external wireless signal received by the control unit through the first wireless signal transceiver is a Bluetooth signal, a Wi-Fi signal, an infrared signal, a UWB signal, One of RFID signal, RF signal, GPRS signal, Zig-Bee signal, NFC signal, Z-Wave signal. The separate range hood according to claim 1, wherein the smoke collecting body is provided with an infrared temperature detector electrically connected to the control unit, and the infrared temperature detector can be used to detect the smoke collecting body The temperature under the body is fed back to the control unit, so that the control unit can automatically control the operation of the fan according to the temperature fed back by the infrared temperature detector. When the temperature fed back by the infrared temperature detector is At the first temperature, control the rotation speed of the fan to the first rotation speed; when the temperature fed back by the infrared temperature detector is the second temperature, control the rotation speed of the fan to the second rotation speed; when the infrared temperature detector When the temperature fed back by the sensor is the third temperature, the rotation speed of the fan is controlled to be the third rotation speed. The separate range hood according to claim 6, wherein the control unit is further capable of controlling the fan to continue when the temperature drop per unit time is determined to be greater than a certain value based on the temperature fed back by the infrared temperature detector It runs for a while before stopping. The separate range hood according to claim 1, wherein the indicator light is provided with an indicator light rotating motor electrically connected to the control unit, and the smoke collecting body is provided with a human body feel electrically connected to the control unit The human body sensor can be used to sense human body position information in the peripheral area of the smoke collecting body, and the control unit can control the indicator light rotation motor according to the human body position information fed back by the human body sensor Thus, the rotation of the indicator light is controlled, so that the rotation of the indicator light is controlled as the human body enters and leaves the peripheral area of the smoke collecting body. The separate range hood according to claim 8, wherein the smoke collecting body is provided with a PM2.5 concentration detection device electrically connected to the control unit, and the PM2.5 concentration detection device can be used The PM2.5 concentration information in the air is detected and fed back to the control unit, and the control unit is configured to control the PM2.5 concentration detection device to activate when receiving the human body position information fed back by the human sensor Detect, and control the PM2.5 concentration detection device to turn off detection when the human body position information fed back by the human sensor is not received, and control the PM2.5 concentration detection device to turn off detection after the PM2.5 concentration detection device is activated. When the PM2.5 concentration information fed back by the PM2.5 concentration detecting device is judged to be greater than a preset threshold, the fan is controlled to start, thereby forming a negative pressure in the room to achieve indoor air circulation to reduce the PM2.5 concentration. The separate range hood according to claim 9, wherein the control unit can control the opening and closing of the indicator light and the adjustment of the light color according to the PM2.5 concentration information fed back by the PM2.5 concentration detecting device, The light color of the indicator lamp is changed according to the PM2.5 concentration information fed back by the PM2.5 concentration detecting device. The separate range hood according to claim 8, wherein the smoke collecting body is provided with a carbon monoxide detecting device electrically connected to the control unit, and the carbon monoxide detecting device can be used to detect carbon monoxide concentration information in the air And feed it back to the control unit, and when the control unit determines that the carbon monoxide concentration information fed back by the carbon monoxide detection device is greater than a preset threshold, it controls the fan to start, thereby creating a negative pressure in the room to reach the indoor air Cyclically reduce the concentration of carbon monoxide. The separate range hood according to claim 11, wherein the smoke collecting body is provided with a carbon dioxide detection device electrically connected to the control unit, and the carbon dioxide detection device can be used to detect carbon dioxide concentration information in the air And feed it back to the control unit, and when the control unit determines that the carbon dioxide concentration information fed back by the carbon dioxide detection device is greater than a predetermined threshold, it controls the fan to start, thereby creating a negative pressure in the room to achieve indoor air circulation Reduce carbon dioxide concentration. The separate range hood according to claim 12, wherein the control unit can control the activation of the indicator light based on the carbon monoxide concentration information fed back by the carbon monoxide detecting device and the carbon dioxide concentration information fed back by the carbon dioxide detecting device Closed and displayed in different light colors. The separate range hood according to claim 1, wherein the smoke collecting body is provided with a human body sensor electrically connected to the control unit, and the human body sensor can be used to sense the power of the smoke collecting body For the human body position information of the surrounding area, the control unit can control the opening and closing of the indicator light according to the human body position information fed back by the human body sensor. The separate range hood according to claim 1, wherein the smoke collecting body is provided with a Bluetooth audio device electrically connected to the control unit that can be connected to a mobile phone to play the sent audio.

Images