CN215175360U - Range hood purifier and range hood - Google Patents
Range hood purifier and range hood Download PDFInfo
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- CN215175360U CN215175360U CN202121397619.2U CN202121397619U CN215175360U CN 215175360 U CN215175360 U CN 215175360U CN 202121397619 U CN202121397619 U CN 202121397619U CN 215175360 U CN215175360 U CN 215175360U
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Abstract
The utility model relates to a range hood purifier includes sensing element, plasma purification subassembly and control module, the sensing element gathers the inside bacterial content of range hood to with the inside bacterial content of range hood of gathering send to control module, control module will bacterial content and the comparison of predetermineeing bacterial content threshold value in the range hood work as bacterial content exceedes in the range hood when predetermineeing the bacterial content threshold value, control plasma purification subassembly starts and controls bacterial content changes in the sensing element real-time supervision range hood, and bacterial content does not surpass when the range hood when predetermineeing the bacterial content threshold value, control plasma purification subassembly closes. In addition, this application still provides a built-in range hood that has above-mentioned range hood purifier, and it can realize the purification to harmful bacterium in the range hood.
Description
Technical Field
The application relates to the technical field of intelligent household appliances, in particular to a range hood purifying device and a range hood.
Background
The range hood is also called as a suction range hood and is a kitchen appliance for purifying the kitchen environment. The kitchen ventilator is arranged above a kitchen stove, can rapidly pump away waste burnt by the stove and oil smoke harmful to human bodies generated in the cooking process, and exhaust the oil smoke out of a room, and simultaneously condenses and collects the oil smoke, thereby reducing pollution, purifying air and having the safety guarantee effects of gas defense and explosion prevention.
At present, after most range hoods are used for a period of time, oil stains are accumulated in the smoke collection cavity and the volute, harmful bacteria are gradually generated, and the harm to human bodies is large, so that the problem that how to control the range hoods to purify the harmful bacteria is urgently needed to be solved at present is solved.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a range hood purification device and a range hood capable of purifying harmful bacteria, aiming at the problem that the conventional range hood cannot purify the harmful bacteria.
A range hood purification device comprises a sensing assembly, a plasma purification assembly and a control module;
the plasma purification assembly and the sensing assembly are respectively connected with the control module;
the sensing assembly collects the content of bacteria in the range hood, the collected content of bacteria in the range hood is sent to the control module, the control module compares the content of bacteria in the range hood with a preset threshold value of the content of bacteria, when the content of bacteria in the range hood exceeds the preset threshold value of the content of bacteria, the plasma purification assembly is controlled to be started, the sensing assembly is controlled to monitor the change of the content of bacteria in the range hood in real time, and when the content of bacteria in the range hood does not exceed the preset threshold value of the content of bacteria, the plasma purification assembly is controlled to be closed.
In one embodiment, the plasma purifying assembly includes a deodorizing module for purifying odor and a plasma generator.
In one embodiment, the deodorization module comprises a copper ion deodorization module.
In one embodiment, the deodorization module comprises a honeycomb-shaped copper ion layer.
In one embodiment, the deodorization module further comprises a base, wherein openings are arranged at two ends of the base, the cellular copper ion layer is arranged at the opening at one end of the base, and the opening at the other end of the base is connected with the plasma generator.
In one embodiment, a groove is arranged at one end of the plasma generator, a plurality of active oxidation substance output ports are arranged in the groove, and the base is nested in the groove.
In one embodiment, the plasma generator comprises an ozone plasma generator.
In one embodiment, the sensing assembly includes a bacterial content sensor.
In one embodiment, the sensing assembly comprises a plurality of bacteria content sensors which are distributed in the range hood to be cleaned.
The utility model provides a range hood purifier includes sensing element, plasma purifies subassembly and control module, sensing element gathers the inside bacterial content of range hood, and send the inside bacterial content of range hood of gathering to control module, control module is with bacterial content in the range hood and predetermine the bacterial content threshold value relatively, when bacterial content exceedes predetermines the bacterial content threshold value in the range hood, control plasma purifies the subassembly and starts, and control sensing element real-time supervision range hood in the bacterial content change, when bacterial content does not surpass when predetermineeing the bacterial content threshold value in the range hood, control plasma purifies the subassembly and closes. In the whole process, the bacteria content in the range hood is automatically detected, and when the bacteria content exceeds a preset bacteria content threshold value, the plasma purification function is started, the interior of the range hood is continuously purified until the bacteria content in the range hood is reduced to the preset bacteria content threshold value, so that the harmful bacteria in the range hood are purified.
In addition, this application still provides a range hood, including range hood body and as above-mentioned range hood purifier, place the range hood body in the range hood purifier.
This application range hood includes the range hood body and as above-mentioned range hood purifier, and it can detect to bacterium content in the range hood automatically to when exceeding preset bacterium content threshold value, start plasma purification function, continuously purify in the range hood until bacterium content in the range hood descends to presetting the bacterium content threshold value, thereby realize the purification to harmful bacteria in the range hood.
Drawings
Fig. 1 is an application environment diagram of a range hood purification device according to an embodiment of the present application;
fig. 2 is a block diagram of the purifying apparatus of the range hood according to the present application in one embodiment;
FIG. 3 is a schematic diagram of the structure of a plasma purification assembly in one embodiment;
fig. 4 is a schematic view of the overall process of the range hood purification in an application example.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The application provides a range hood purifier can be applied to the application environment as shown in figure 1. The range hood purification device is arranged in the range hood and is used for carrying out purification operation control on harmful bacteria in the range hood, and the range hood purification device is used for firstly acquiring the content of the bacteria in the range hood; comparing the content of bacteria in the range hood with a preset threshold value of the content of bacteria; if the content of bacteria in the range hood exceeds a preset bacteria content threshold value, starting a plasma purification function; monitoring the content of bacteria in the range hood after the plasma purification function is started in real time; and when the content of bacteria in the range hood does not exceed the preset threshold value of the content of bacteria, the plasma purification function is closed.
As shown in fig. 2, the present application provides a range hood purification apparatus, which includes a sensing assembly 100, a plasma purification assembly 200, and a control module 300;
the plasma purification assembly 200 and the sensing assembly 100 are respectively connected with the control module 300;
the sensing assembly 100 collects the content of bacteria in the range hood, the collected content of bacteria in the range hood is sent to the control module 300, the control module 300 compares the content of bacteria in the range hood with a preset threshold value of the content of bacteria, when the content of bacteria in the range hood exceeds the preset threshold value of the content of bacteria, the plasma purification assembly 200 is controlled to be started, the sensing assembly 100 is controlled to monitor the change of the content of bacteria in the range hood in real time, and when the content of bacteria in the range hood does not exceed the preset threshold value of the content of bacteria, the plasma purification assembly 200 is controlled to be closed.
The plasma purification assembly 200 is used for realizing plasma purification in the range hood so as to kill harmful bacteria bred by oil stains of the range hood and purify odor in the range hood. The sensing assembly 100 is used for sensing and detecting the content of bacteria in the range hood. The control module 300 stores a preset bacteria content threshold, and is used for comparing the bacteria content in the range hood sent by the sensing assembly 100 with the preset bacteria content threshold, when the bacteria content in the range hood exceeds the preset bacteria content threshold, the plasma purification assembly 200 is controlled to be started, so as to realize plasma purification in the range hood, and the bacteria content in the range hood after the plasma purification is continuously obtained, and is compared with the preset bacteria content threshold, when the bacteria content is not exceeded, the plasma purification assembly 200 is controlled to be closed, and the purification operation of the range hood is completed. Further, the control module 300 may also control the starting of the extractor hood fan after controlling the plasma purifying assembly 200 to be turned off, and turn off the extractor hood fan after delaying the preset time.
The preset bacteria content threshold value is a preset value, and specifically, the bacteria content in the range hood can be analyzed through experimental data, historical data or expert database data and the like on the premise of not harming human health. The data supports remote setting and updating of the range hood manufacturer in the background. Further, can set up the predetermined bacterial content threshold value of different purification grades, different purification grades specifically include slight purification, standard purification and deep purification, and it is corresponding the first predetermined bacterial content threshold value, the second predetermined bacterial content threshold value and the third predetermined bacterial content threshold value that reduce in proper order respectively. Specifically, when the user side operates, a purification degree selection interface can be displayed on the range hood or a corresponding physical button is provided, the level corresponding to the purification of the range hood is determined in response to the user selection operation, for example, if the user presses the physical button for standard purification, the purification level of the range hood is the standard, and the preset bacteria content threshold is the corresponding second preset bacteria content threshold.
The utility model provides a range hood purifier includes sensing element 100, plasma purifies subassembly 200 and control module 300, sensing element 100 gathers the inside bacterial content of range hood, and send the inside bacterial content of range hood of gathering to control module 300, control module 300 compares bacterial content in with the predetermined bacterial content threshold value in the range hood, when bacterial content in the range hood exceedes predetermined bacterial content threshold value, control plasma purifies subassembly 200 and starts, and control sensing element 100 real-time supervision range hood in the bacterial content change, when bacterial content in the range hood does not exceede predetermined bacterial content threshold value, control plasma purifies subassembly 200 and closes. In the whole process, the bacteria content in the range hood is automatically detected, and when the bacteria content exceeds a preset bacteria content threshold value, the plasma purification function is started, the interior of the range hood is continuously purified until the bacteria content in the range hood is reduced to the preset bacteria content threshold value, so that the harmful bacteria in the range hood are purified.
In one embodiment, the plasma purification assembly 200 includes a deodorization module for purifying odor and a plasma generator.
The deodorization module is used for purifying odor. In the range hood, because a large amount of oil stains are accumulated, odor can be generated, the odor is mainly substances such as low molecular aldehydes, ketones or carboxylic acids, and the odor is purified by the deodorization module. The plasma generator is used for releasing plasma, contains a large number of active ions and high-energy free radical components, is very easy to chemically react with proteins and nucleic acids in bacteria, moulds, spores and viruses, can destroy microorganisms and disturb the survival function of the microorganisms, enables various microorganisms to die, can efficiently sterilize, and has short action time. Furthermore, the oxidizing substance released by the plasma generator can react with low molecular aldehyde, ketone or carboxylic acid and the like under the catalytic action of the deodorization module to degrade the substances into CO2And H2O。
Further, the deodorization module includes a copper ion deodorization module, as shown in fig. 3, which includes cellular copper ion layers to which CuO and MnO are attached2The nano particles are used as a catalyst, and the honeycomb shape can increase the contact area with gas and improve the efficiency and effect of oxidation reaction. Specifically, the copper ion deodorization module can include cellular copper ion layer and base, and the base both ends are provided with the opening, and cellular copper ion layer sets up in the one end opening part of base, and the other end opening of base is connected with plasma generator, and the oxidizing substance that plasma generator released gets into cellular copper ion layer through the other end opening of base, CuO, the MnO of cellular copper ion layer adhesion, MnO2The nanoparticles are used as catalyst to react with low molecular aldehyde, ketone or carboxylic acid in the range hood to degrade the oxidized substances into CO2And H2O。
In one embodiment, a groove is arranged at one end of the plasma generator, a plurality of active oxidation substance output ports are arranged in the groove, and the base is nested in the groove.
One end of the plasma generator is provided with a groove, a plurality of active oxidation substance output ports are arranged in the groove, the base in the deodorization module is nested in the groove, the active oxidation substances generated by the plasma generator enter the base in the deodorization module through the active oxidation substance output ports, and then enter the honeycomb-shaped copper ion layer of the deodorization exaggeration to react. In this embodiment, the deodorizing module and the plasma generator are combined into a whole by adopting the above-mentioned embedded structure, which can ensure that the active oxidation substance generated by the plasma generator is oxidized and degraded with low molecular aldehyde, ketone or carboxylic acid and other substances in the range hood as far as possible in the cellular copper ion layer, thereby improving the purification efficiency. Optionally, the plasma generator may be an ozone plasma generator, which releases ozone during operation, and the ozone is slightly less oxidizing but easily diffused, and can kill bacteria and viruses attached to the surface of the oil stain deposit.
In one embodiment, the sensing assembly 100 includes a plurality of bacteria content sensors distributed within the range hood to be cleaned.
The plurality of bacteria content sensors are distributed in the range hood to be purified, so that the bacteria content data in the range hood to be purified can be more accurately acquired, and the determined bacteria content in the range hood to be purified can be obtained by solving the average value or weighting calculation according to the data acquired by the bacteria content sensors at different positions.
Furthermore, some pairs of residual gas can be generated after the plasma purification treatment, after the plasma purification function is closed, the controller can control the fan of the range hood to be started, the residual gas is discharged, the influence on a user is avoided, and the fan is closed after a certain time delay. The preset time is a preset time, and can be specifically set according to actual needs, for example, 30 seconds, 1 minute, and the like can be set. In practical application, the plasma purification function can adopt ozone to kill bacteria and viruses in the air in the range hood, some ozone can be remained after the plasma purification is completed, the range hood fan is started at the moment, and the range hood fan is closed after 30 seconds of operation so as to discharge the hidden ozone. Unnecessary, can start the lowest grade with the fan, can also avoid noise interference user when reducing the energy consumption.
In addition, this application still provides a range hood, including range hood body and as above-mentioned range hood purifier, place the range hood body in the range hood purifier.
This application range hood includes the range hood body and as above-mentioned range hood purifier, and it can detect to bacterium content in the range hood automatically to when exceeding preset bacterium content threshold value, start plasma purification function, continuously purify in the range hood until bacterium content in the range hood descends to presetting the bacterium content threshold value, thereby realize the purification to harmful bacteria in the range hood.
The range hood is improved equipment on the basis of the traditional range hood, and the components of the range hood comprise a smoke collecting hood assembly, a volute assembly, a plasma generating action device and the like. It can remove flavor, disinfect to spiral case and collection petticoat pipe subassembly inside according to free radical and the ozone that plasma generator produced, including two kinds of control modes: plasma purification control and manual control by a user.
In order to describe the operation process and effect of the range hood purification device and range hood of the present application in detail, the whole operation process will be described in detail with specific examples. As shown in fig. 4, the whole working process includes the following procedures:
1. the user closes the range hood;
2. starting an automatic purification function; in addition, the user can press down a key of the range hood purification function to respond to the operation of the user and start the automatic purification function;
3. acquiring the content of bacteria in the range hood, comparing the content with a preset bacteria content threshold value, and judging whether the current bacteria and peculiar smell are safe or not; if yes, entering step 8; if not, entering the step 4;
4. sending a corresponding degree purification instruction, and enabling the plasma generator to work;
5. free radicals kill free bacteria, ozone kills bacteria on the surface of oil stain, and copper ions purify odor;
6. monitoring the bacterial content data in the range hood in real time;
7. comparing the real-time monitored bacteria content data with a preset bacteria content threshold value again, judging whether a safety index (health index) is reached, if so, entering a step 8, otherwise, returning to the step 4;
8. and starting the fan, and closing after delaying for 30 seconds.
The range hood purification device and the effect of the range hood in practical application will be further described through several practical application scenarios.
Practical application scenario one
A user A uses the range hood for cooking at home daily, the user A closes the range hood after having cooked late, a range hood purification device in the range hood is in a power-on state, a sensor collects the content of bacteria in the range hood at the moment, the content of the bacteria in the range hood at the moment is sent to a controller, the controller compares the content of the bacteria with a preset bacteria content threshold value, the situation that the content of the bacteria in the range hood exceeds the standard is detected through comparison, the range hood needs to be purified, otherwise, the harmful bacteria harm the health of the user A, the controller sends a starting instruction to an ozone plasma generator, the ozone plasma generator works to generate ozone, the ozone flows through a honeycomb-shaped copper ion layer through an output port and a base, CuO and MnO are adhered to the honeycomb-shaped copper ion layer2The nano particles are used as a catalyst to ensure that ozone reacts with low molecular aldehyde, ketone or carboxylic acid and the like in the range hood to degrade the substances into CO2And H2And O, meanwhile, continuously acquiring the bacterial content of the range hood by the sensor and sending the bacterial content to the controller, sending a purification stopping instruction to the ozone plasma generator by the controller when the controller judges that the bacterial content in the range hood does not exceed a preset bacterial content threshold value through comparison, sending a starting instruction to a fan of the range hood by the controller simultaneously so as to start the fan of the range hood, and sending a closing instruction to the range hood again after delaying for 30 secondsThe fan is used for closing the fan of the range hood to complete the whole purification process.
Practical application scenario two
The user B uses the range hood for cooking at home at ordinary times, a business trip is needed for one month when receiving a task at a certain day, and the user B cuts off the whole house power supply in order to ensure the power utilization safety. After one month, a user B returns home, the power supply of the whole house is recovered, the user B manually presses a purification button on a range hood, the range hood enters a purification working condition state, a sensor collects the content of bacteria in the range hood at the moment, the content of the bacteria in the range hood at the moment is sent to a controller, the controller compares the content of the bacteria with a preset bacteria content threshold value, the comparison result shows that the content of the bacteria in the range hood exceeds the standard, the purification treatment needs to be carried out in the range hood, otherwise the harmful bacteria harm the health of the user A, the controller sends a starting instruction to an ozone plasma generator, the ozone plasma generator works to generate ozone, the ozone flows through a honeycomb-shaped copper ion layer through an output port and a base, CuO and MnO are adhered to the honeycomb-shaped copper ion layer2The nano particles are used as a catalyst to ensure that ozone reacts with low molecular aldehyde, ketone or carboxylic acid and the like in the range hood to degrade the substances into CO2And H2And O, meanwhile, continuously acquiring the bacterial content of the range hood by the sensor and sending the bacterial content to the controller, sending a purification stopping instruction to the ozone plasma generator by the controller when the controller judges that the bacterial content in the range hood does not exceed a preset bacterial content threshold value through comparison, sending a starting instruction to the range hood fan by the controller simultaneously so as to start the range hood fan, and sending a closing instruction to the range hood fan again after delaying for 30 seconds so as to close the range hood fan and finish the whole purification process.
Practical application scenario three
User C uses range hood at home less time, and after certain weekend user C done dinner, close range hood, range hood purifier in range hood is under the on state, and the sensor gathers this moment and inhales the interior bacterial content of range hood, will inhale the interior bacterial content of range hood this moment and send to the controller, and the controller is with this bacterial content and the comparison of predetermineeing the bacterial content threshold value, detects through the comparison that the bacterial content does not exceed standard in the current range hood, and the range hood purifier in range hood this moment closes.
Practical application scenario four
User D daily uses range hood, range hood is in the on-state, range hood purifier sensor gathers this moment the interior bacterial content of range hood, send this moment the interior bacterial content of range hood to the controller, the controller compares this bacterial content with predetermineeing bacterial content threshold, detect through the comparison that the current interior bacterial content of range hood exceeds standard, need carry out purification treatment in the range hood, otherwise these harmful bacteria will harm user A's health, the controller sends start-up instruction to ozone plasma generator, ozone plasma generator work produces ozone, ozone passes through honeycomb copper ion layer through delivery outlet and base, CuO at honeycomb copper ion layer adhesion, MnO2The nano particles are used as a catalyst to ensure that ozone reacts with low molecular aldehyde, ketone or carboxylic acid and the like in the range hood to degrade the substances into CO2And H2And O, meanwhile, continuously acquiring the bacterial content of the range hood by the sensor and sending the bacterial content to the controller, sending a purification stopping instruction to the ozone plasma generator by the controller when the controller judges that the bacterial content in the range hood does not exceed a preset bacterial content threshold value through comparison, sending a starting instruction to the range hood fan by the controller simultaneously so as to start the range hood fan, and sending a closing instruction to the range hood fan again after delaying for 30 seconds so as to close the range hood fan and finish the whole purification process.
In summary, in the practical application of the range hood purification device and the range hood, the plasma contains a large amount of active ions and high-energy free radical components, and the plasma is very easy to chemically react with proteins and nucleic acids in bacteria, molds, spores and viruses, can destroy microorganisms and disturb the survival function of the microorganisms, so that the microorganisms die, can be sterilized efficiently, and has short action time. CuO and MnO are adhered to the surface of the copper ion deodorization block2Nanoparticles for reacting aldehyde, ketone or carboxylic acid with oxygen at room temperature by catalysisShould be degraded to CO2And H2And O. When the user used up range hood, closed the fan, program control plasma purifier opened to can correspond the purification procedure according to the inside bacterium peculiar smell degree of current range hood, the more the bacterium peculiar smell is more the purification time is more for a long time, sensor real-time supervision, when inside bacterium content of range hood, peculiar smell degree reach healthy value, the fan lowest grade is opened and is discharged and generate unnecessary ozone, the H that produces after the catalysis2And the O flows to the oil cup through the oil dropping hole. User manual control, user's back of going out to go home, the cigarette machine is out of work for a long time, and inside accumulational greasy dirt still can be produced the bacterium peculiar smell by air oxidation, presses healthy button this moment, and purifier opens.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A range hood purification device is characterized by comprising a sensing assembly, a plasma purification assembly and a control module;
the plasma purification assembly and the sensing assembly are respectively connected with the control module;
the control module is used for comparing the content of bacteria in the range hood with a preset bacteria content threshold value, controlling the plasma purification assembly to start and controlling the sensing assembly to monitor the change of the content of bacteria in the range hood in real time when the content of bacteria in the range hood exceeds the preset bacteria content threshold value, and controlling the plasma purification assembly to close when the content of bacteria in the range hood does not exceed the preset bacteria content threshold value.
2. The apparatus of claim 1, wherein the plasma purifying assembly comprises a deodorizing module for purifying odor and a plasma generator.
3. The apparatus of claim 2, wherein the deodorization module comprises a copper ion deodorization module.
4. The apparatus of claim 2 or 3, wherein the deodorizing module comprises a honeycomb-shaped copper ion layer.
5. The device of claim 4, wherein the deodorization module further comprises a base, openings are arranged at two ends of the base, the honeycomb-shaped copper ion layer is arranged at one opening end of the base, and the other opening end of the base is connected with the plasma generator.
6. The apparatus of claim 5, wherein one end of the plasma generator is provided with a recess, wherein a plurality of active oxidizing species output ports are provided in the recess, and wherein the susceptor nests in the recess.
7. The apparatus of claim 2, wherein the plasma generator comprises an ozone plasma generator.
8. The device of claim 1, wherein the sensing component comprises a bacterial content sensor.
9. The apparatus of claim 1, wherein the sensing assembly comprises a plurality of bacteria content sensors distributed within the range hood to be decontaminated.
10. A range hood is characterized by comprising a range hood body and the range hood purification device as described in any one of the items 1-9, wherein the range hood purification device is arranged in the range hood body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121397619.2U CN215175360U (en) | 2021-06-22 | 2021-06-22 | Range hood purifier and range hood |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121397619.2U CN215175360U (en) | 2021-06-22 | 2021-06-22 | Range hood purifier and range hood |
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| CN215175360U true CN215175360U (en) | 2021-12-14 |
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