36 results about "Odor source" patented technology

The invention discloses a microbiological deodorization method, which belongs to the technical field of disinfection and deodorization, and comprises the following steps: S1, preparing a microbial preparation, S2, pre-stirring a strain combination; S3, preparing a deodorant from the prepared composite microbial preparation according to the mass; and S4, putting a prepared deodorant into an ultrasonic atomizer or a spray tower. According to the invention, the microbial preparation is creatively adopted to perform spray deodorization on the odor source, so that the deodorization efficiency is high, the effect is good, the treatment cost of the odor source and odor is effectively reduced, the overall operation difficulty is low, only the polluted area is atomized, the odor is effectively controlled before volatilization, the odor pollution spreading can be effectively controlled, and the influence on the operation environment is avoided; the microbial inoculum is non-toxic, can be naturally degraded, has no residue after deodorization, does not need additional neutralization and filtration, has higher environmental adaptability, and meets the deodorization requirements of small and medium-sized farms and small and medium-sized garbage collection stations.

The invention provides a low-power-consumption cooperative sewer water body integrated monitoring method. The method comprises the following steps: carrying out model selection and deployment on sensing node hardware of an adaptive scene; a low-power-consumption internet of things network topology and power supply design; a time-sharing triggering acquisition strategy of the multi-modal data is carried out; node-level environment self-adaptive data calibration is carried out; node-level flow velocity-stink association anomaly recognition is carried out; carrying out network-level data fusion and validity verification; collaborative traceability, diffusion simulation and linkage control are carried out. According to the invention, the problems of data distortion, difficulty in source tracing of pollution sources, short equipment endurance and response lag caused by independent collection of flow and stink and environmental interference in traditional sewer monitoring are solved; the integrated effect of ultrasonic Doppler and electronic nose cooperative monitoring, environment self-adaption accurate calibration, odor source rapid positioning and diffusion simulation and low-power-consumption and long-endurance linkage control is achieved.

The embodiment of the invention relates to an intelligent treatment method for a toilet peculiar smell source, which comprises the following steps: firstly, acquiring real-time temperature, humidity, various gas concentrations and peculiar smell intensity from a temperature and humidity sensor, an ammonia gas sensor, a hydrogen sulfide sensor, a TVOC (Total Volatile Organic Compound) sensor and a peculiar smell sensor according to a preset frequency to form current monitoring data; then, whether all the gas concentrations exceed the threshold value or not is recognized, if yes, the force of the ventilation and exhaust device is reduced, and the ion generator and the photocatalytic oxidation module are closed; if not, the ventilation force is increased, the device is started, and the deodorant atomizing and spraying device is driven to spray. Then, whether the odor intensity exceeds a threshold value or not is judged, if yes, an environment monitoring vector is generated based on current data, an odor source recognition model is input to obtain a classification vector, the total probability of the sources exceeding the threshold value is counted, a manual cleaning instruction is sent to a cleaning client when the total probability is larger than 0, and precise treatment of the toilet odor is achieved.

The invention belongs to the field of multi-odor scene presentation, and particularly relates to a multi-odor-source odor scene dynamic presentation method and system, and the method comprises the steps: obtaining the odor source release point information of a current space, and simulating the odor concentration distribution field of each release point through a distributed simulation model; calculating a mixed odor concentration distribution field through an odor mixing model, and fusing the mixed odor concentration distribution field with the spatial position coordinates to form a mixed odor position concentration distribution field; according to the real-time position and orientation of the advancing individual, the mixed odor concentration distribution of the current position point is matched and secondarily adjusted; inputting the adjusted mixed concentration control vector into a fuzzy control model, generating a smell release instruction, and controlling a smell release device to release mixed smell with corresponding concentration; and finally, dynamically adjusting the released mixed odor and concentration by updating the odor source release point information and the advancing direction of the advancing space in real time. According to the invention, accurate simulation and real-time presentation of mixed odor in a complex space are realized through a multi-level data processing and dynamic adjustment mechanism.

The present application belongs to the field of multi-odor scene presentation, and particularly relates to a multi-odor source odor scene dynamic presentation method and system, comprising: acquiring odor source release point information of a current space, simulating odor concentration distribution fields of each release point by using a distributed simulation model; calculating a mixed odor concentration distribution field by an odor mixing model, and fusing with space position coordinates to form a mixed odor position concentration distribution field; matching and secondarily adjusting the mixed odor concentration distribution of the current position point according to the real-time position and orientation of the individual; inputting the adjusted mixed concentration control vector into a fuzzy control model to generate an odor release instruction, and controlling the odor release device to release the mixed odor with the corresponding concentration; and finally dynamically adjusting the released mixed odor and concentration by real-time updating the odor source release point information and the moving direction of the space; the present application realizes the accurate simulation and real-time presentation of the mixed odor in a complex space through multi-level data processing and dynamic adjustment mechanism.

This invention discloses an amine liquid tank liquid sealing system, belonging to the petrochemical field. The amine liquid tank liquid sealing system includes an amine liquid tank and an amine liquid sealing tank, wherein the bottom of the amine liquid sealing tank is higher than the top of the amine liquid tank; the top of the amine liquid tank is connected to the top of the amine liquid sealing tank; and the bottom of the amine liquid sealing tank is connected to the amine liquid tank. This invention solves the problem of hydrogen sulfide emissions from amine liquid tank exhaust gas under normal and stable operating conditions by optimizing the on-site layout of the water sealing tank and improving the liquid sealing medium of the water sealing tank. This provides technical support for the control of odor sources in the plant and the creation of an odor-free factory.

1. The name of the design product: negative pressure fresh air ion deodorization all-in-one machine. 2. The use of the design product: for industrial environment deodorization and garbage transfer station, garbage sorting center, farm, toilet, etc. odor source. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention belongs to the technical field of bathroom equipment, and discloses a suction deodorization device and a toilet stool, and the suction deodorization device comprises a sealing shell, a suction assembly and a cover body. The sealing shell is provided with an inner cavity, a first water seal can be formed in the inner cavity, and a discharge port is formed in the side wall of the sealing shell and communicated with an external discharge space; the suction end of the suction assembly selectively communicates with an odor source, and the discharge end of the suction assembly is located in the sealing shell; the cover body is movably arranged in the sealing shell, the cover body can be far away from and open a port of the discharge end under the action of fluid at the discharge end of the suction assembly so that the discharge end can be communicated with the discharge port, the cover body can also be close to and block the port of the discharge end, and when the cover body blocks the port of the discharge end, the bottom of the cover body is inserted into the first water seal. According to the suction deodorization device, the deodorization effect can be effectively improved, odor dissipation is avoided, no extra agent needs to be placed, operation is convenient and fast, and the use experience of a user is improved.

The invention relates to the technical field of pest trapping and monitoring, and discloses a pest trapping and monitoring device capable of carrying out spectrum adjusting.The pest trapping and monitoring device comprises a trapping box installed on a vertical rod, an air guide assembly is further arranged in the trapping box and comprises an annular air guide ring arranged on the top layer, and an air guide nozzle inclining downwards is arranged on the annular air guide ring; the annular air guide ring is downwards communicated with an air bin, a smell source is arranged in the air bin, the air bin of the air guide assembly is communicated with an air pump, the air pump is connected with a spectrum adjusting controller of the trapping light source in a controlled mode, and the spectrum and the airflow velocity are adjusted according to the types of pests needing to be attracted. Precise attraction, efficient capture and long-term stable monitoring of target pests are realized through cooperative cooperation of spectrum adjustment and annular wind guide capable of adjusting the flow speed; the problems that an existing spectrum adjusting trapping device neglects pest airflow tropism, smell transmission efficiency is low, the trapping rate is insufficient, and due to the fact that a light-transmitting cover is prone to dust accumulation, trapping pertinence is poor, and stability is weak are solved.

The application discloses an odor control system and method for a toilet, belonging to the technical field of sanitary wares. The system comprises three core modules: a negative pressure capture unit, a gas transmission path, and a negative pressure generating device. The gas transmission path adopts a dual-path compatible architecture: one is an isolation section bypassing the water seal (integrated in the double-channel flange plate), and the other is a hydrophobic capillary tube (inner diameter 0.5-2.0 mm, preferably 0.8-1.5 mm, contact angle ≥110°) passing through the water seal. The negative pressure generating device supports three types of brushless DC centrifugal fans, piezoelectric micropumps, or Venturi ejectors, with the maximum working negative pressure strictly limited to ≤50 Pa, which is much lower than the national standard water seal static breaking threshold of 490 Pa, forming a safety redundancy coefficient of ≥9.8 times. The method includes source negative pressure capture, dual-path safe discharge, quantitative negative pressure driving, and intelligent control (pre-pumping for sitting, delayed shutdown, VOC speed regulation, water seal self-checking, and capillary tube backflush self-cleaning). The application realizes zero leakage of odor sources, zero disturbance of water seals, low noise, low cost, and full-scene compatibility, with an incremental cost of a new toilet of ≤40 yuan and a cost of a stock retrofit kit of ≤65 yuan, which has great industrialization promotion value.

The invention relates to the technical field of garbage treatment, and discloses a negative pressure operation control method, device and equipment for a garbage incineration power plant and a medium. The method comprises the steps that a ventilation network system is generated, and the ventilation network system takes an incinerator combustion fan as a terminal, takes a mechanical ventilator of each odor source workshop as a front end and takes each odor source workshop as a link point; acquiring operation state parameters of the ventilation network system; and on the basis of the operation state parameters, the operation frequency of each mechanical ventilator is adjusted with the real-time combustion-supporting air volume of the incinerator as the system boundary condition, so that each odor source workshop is in a negative pressure state, the harmful gas concentration is in a preset safety interval, and meanwhile, the total energy consumption of fans of the ventilation network is minimum. On the premise that effective negative pressure of all odor source workshops is maintained, odor is prevented from escaping, and it is guaranteed that the concentration of harmful gas is within a safety interval, the operation working condition of the draught fan is actively optimized, and the overall energy consumption of the ventilation system is remarkably reduced.

The invention provides a peculiar smell removal method, device and equipment of clothes treatment equipment and a storage medium, and relates to the technical field of intelligent household appliances. The peculiar smell removing method of the clothes treating equipment comprises the steps that when the peculiar smell concentration captured by the smell sensors is larger than or equal to a first peculiar smell concentration threshold value within a preset time period, the sensor number of the smell sensors and the current peculiar smell concentration of each smell sensor are obtained; according to the number of the sensors and the current odor concentration of each odor sensor, determining an odor source of the clothes treatment equipment; according to the peculiar smell source, controlling the clothes treatment equipment to carry out peculiar smell treatment operation. By means of the mode, real-time monitoring of the peculiar smell of the clothes treatment equipment can be achieved, peculiar smell treatment operation is carried out based on the peculiar smell concentration monitored in real time, and the peculiar smell removal efficiency is improved.

The utility model discloses an air purifier, and relates to the technical field of air purifiers. The air purifier comprises an air purifier body, a first air inlet hole is formed in the rear side of the air purifier body, a corrugated pipe is fixedly connected to one side of the first air inlet hole, an outer frame is fixedly connected to one end of the corrugated pipe, and a clamping mechanism is rotationally connected to the bottom of the outer frame through a damping rotating shaft. The clamping mechanism comprises a damping telescopic rod, one end of the damping telescopic rod is rotationally connected with a connecting rod through a damping rotating shaft, the corrugated pipe, the clamping mechanism and the wind shield are arranged, when a person eats food with heavy smell indoors, the state of the components is adjusted, and the odor source can be approached to the maximum extent; and the air exhaust effect on the peculiar smell source is improved, so that the air purification effect is further improved, the flexibility and practicability of the equipment are improved, and the purification effect of the air purifier and the user experience are further improved.

The invention relates to the technical field of automobile part processing detection, in particular to an automobile metal part processing peculiar smell detection method based on a smell sensor. According to the peculiar smell tracing positioning method based on the concentration rising rate and historical characteristic parameter fusion, tracing positioning is optimized by introducing multi-dimensional gas characteristic parameters, and the accuracy of the system is remarkably improved. Positioning is triggered by using the concentration rising rate instead of absolute concentration, focusing on the change trend of gas concentration, false triggering caused by environmental fluctuation or long-term drifting of a sensor is avoided, and accurate positioning of the odor source is achieved.

This invention discloses a rotating crab trap device, aiming to provide a device that can effectively utilize ocean currents to diffuse bait odors, thereby leveraging the crabs' tendency to swim upstream to find odor sources, thus improving the trapping effect. It includes: a base; a crab trap, rotatably mounted on the base via a central shaft; a bait unit disposed in the center of the crab trap; a guide plate disposed at the top of the crab trap; and two side guide channels, one located on the upstream side of the crab trap and the other on the downstream side. One end of each side guide channel connects to the side of the crab trap, forming a guide opening on the side of the trap, while the other end extends towards the center of the crab trap and faces the bait unit. The opening area of ​​the side guide channel gradually decreases from one end to the other.

The application discloses a method and device for determining a source of an odor, equipment, a storage medium and a product, and relates to the technical field of air conditioning equipment control. The method comprises the following steps: obtaining a first TVOC concentration at an air inlet of air conditioning equipment and a second TVOC concentration at an air outlet of the air conditioning equipment; calculating a first difference between the first TVOC concentration and the second TVOC concentration; and determining whether the odor is from inside the air conditioning equipment or outside the air conditioning equipment based on the size relationship between the first difference and a preset threshold. The application can identify the source of an indoor odor.

The invention discloses a microorganism for treating cyanobacteria and stink in park landscape lake water and a culture process thereof, the microorganism comprises a microbial agent, a compound enzyme, tartaric acid and free fatty acid, and the microbial agent is composed of biphasic photosynthetic bacteria, bifidobacterium, mesophilic actinomycetes, nitrosobacteria and bacillus megatherium. The microbial agent is compounded with the compound enzyme, the tartaric acid and the free fatty acid, five strains in the microbial agent are clear in division of labor, the biphasic photosynthetic bacteria decompose organic matters released by cyanobacteria residues and reduce ammonia nitrogen, the bifidobacterium adjusts the balance of water flora and inhibits reproduction of malodorous bacteria, and the mesophilic actinomycetes secretes antibacterial substances to prevent recurrence of the cyanobacteria. Nitrosobacteria convert an odor source into harmless substances, bacillus megaterium further secretes extracellular enzyme to accelerate degradation of residues, and microorganisms and bioactive substances have a synergistic effect, so that the removal period of blue-green algae is shortened, and the odor removal rate is increased and is far superior to that of a single microbial preparation.

The invention belongs to the technical field of processing of automotive interior materials, and discloses a production method of a low-VOC and low-odor automotive carpet. The method sequentially comprises the steps of back face gluing and pre-curing, front face atomization spraying devolatilization, differential opposite blowing multi-section drying, steam and organic matter condensation and recovery, cooling and shaping, condensate purification and recycling and performance detection, and a permeable structure is formed on a gluing layer and combined with spraying devolatilization and differential drying. Uniform drying and organic matter migration of inner and outer layers of the carpet are realized; according to the technology, waste gas and waste liquid emission is reduced through a condensation recovery and circulation purification system, a closed-loop water circulation system is formed, volatile organic compound residues and odor sources can be remarkably reduced, and the environment safety and production stability of carpet products are improved.

The application relates to the technical field of police dog equipment, in particular to a sniffing behavior visualized reinforcement training device suitable for local dog breeds, which comprises a sniffing box and a reward box. The middle part of the sniffing box is provided with a perforated partition plate, so that the sniffing box is divided into an upper part and a lower part. The upper part of the sniffing box is provided with no top and a transparent side wall, and the side wall is provided with a size scale drawn from top to bottom. The lower part of the sniffing box can accommodate an odor source and is provided with an air inlet. The air inlet is provided with an airflow detection device. The reward box is arranged beside the sniffing box. The reward box can accommodate food or toys, and the top part is provided with an openable cover plate. The sniffing behavior visualized reinforcement training device suitable for local dog breeds can help the training personnel to better distinguish effective sniffing from superficial exploration, reduce the error reinforcement caused by misjudgment, ensure that the reinforcement moment is highly synchronized with the effective sniffing behavior, significantly enhance the positive reinforcement effect, and promote the rapid solidification of the target sniffing mode.

To provide a method for more safely removing an offensive smell without requiring large-scale mechanical equipment.SOLUTION: A method for removing a strange odor in a building includes a first step of disinfecting a strange odor region in the building, a second step of removing a source of the strange odor in the strange odor region after the first step, a third step of coating a portion from which the source of the strange odor has been removed with a resin coating material after the second step, a fourth step of spraying hot water at a predetermined temperature to the strange odor region after the third step, and a fifth step of spraying a deodorizing, neutralizing, and decomposing agent to the strange odor region after the fourth step.SELECTED DRAWING: Figure 1

This utility model discloses an odor sample preparation device, including an odor source storage chamber and bases disposed at the four corners of the lower side of the odor source storage chamber. The odor source storage chamber has a storage space inside, and an anti-volatility sealing cover is provided on the rear exterior of the storage space. A temperature control module is disposed inside the upper rear left side of the odor source storage chamber, a suction pump is disposed inside the left side of the odor source storage chamber, and a controller is disposed on the upper right front side of the odor source storage chamber. This device supports the rapid replacement of different types of adsorption materials (such as activated carbon and molecular sieves) to meet the directional enrichment needs of diverse odor samples (such as explosives, plant fragments, food, etc.), avoiding the limitations of a single material. The temperature control module is electrically connected to the external heating structure and can flexibly adjust the heating mode according to the odor source form (solid or liquid), improving the volatile efficiency of odor molecules while supporting standardized and streamlined operation.

The application discloses a pipe network engineering sludge treatment device capable of deodorization, which comprises a sludge conveying pipeline, a connecting sleeve and a hollow motor sleeve are arranged on one side of the sludge conveying pipeline, the outer wall of the connecting sleeve is fixedly connected with the inner wall of the hollow motor sleeve, a communicating opening is fixedly connected to the top of the connecting sleeve, a deodorization mixing mechanism is arranged in the connecting sleeve, and the application relates to the technical field of sludge treatment. Through the deodorization mixing mechanism, automatic stirring of the sludge is realized, the sludge is prevented from being blocked in the sludge conveying pipeline due to caking, and the deodorant injected into the connecting sleeve through the communicating opening and the connecting plate is communicated to the rotary telescopic rod through the connecting plate and the connecting block and sprayed out of the liquid outlet hole of the stirring plate, so that the odor in the sludge is not diffused and the odor source is inactivated. In combination with stirring, the sludge is fully mixed with the deodorant during the transportation process, so that the sludge source deodorization treatment mode is realized.

The invention provides a mosquito trapping system and method, and the system comprises a capturing module which is provided with a mosquito storage bin capable of collecting and limiting the escape of mosquitoes; the CO2 module is used for releasing CO2 to a preset mosquito trapping area so as to construct a CO2 concentration field with a mosquito attracting effect; the trapping source module comprises a light trapping source module, a heat trapping source module and / or a smell trapping source module and is used for forming a light, heat and / or smell inducing field with a mosquito attracting effect in the preset mosquito trapping area; the airflow module is used for forming a directional airflow field in the preset mosquito trapping area and guiding the mosquitoes attracted by the CO2 module and the source trapping module to enter the mosquito storage bin along a preset path; and the control module is used for coordinating the operation of the CO2 module, the trapping source module and the airflow module and constructing a multi-field collaborative mosquito trapping environment, so that the use cost and the maintenance difficulty are reduced, and the mosquito trapping efficiency can be remarkably improved.

The invention discloses a deodorant and a preparation method thereof. The deodorant comprises the following components in parts by weight: 10%-20% of photosynthetic bacteria, 5%-15% of streptococcus lactis, 5%-15% of bacillus amyloliquefaciens, 10%-20% of proteolytic enzyme, 15%-25% of compound enzyme, 10%-20% of tartaric acid and 5%-15% of free fatty acid. By adopting the synergistic effect of various microorganisms, enzymes and chemical components, the deodorant is efficient in deodorization and can quickly remove various stink; environment-friendly and safe components are selected, pollution to the environment is avoided, harmful residues are avoided, and the water purifying agent can be safely used for various water bodies and does not harm aquatic organisms and human health; the water quality improvement function is achieved, organic pollutants can be decomposed, nutrients are balanced, and the water quality is improved; the formula is high in adaptability, has a good effect on different types of odor sources, and is wide in application range; the preparation process is scientific and reasonable, operation steps and parameters of all links are clear, stable and reliable quality is guaranteed, and large-scale production and popularization are facilitated.

The invention discloses an intelligent pedestal pan with a low-temperature air curtain type vision and peculiar smell barrier and a control method. The pedestal pan comprises a pedestal pan body, an integrated water tank, a seat ring assembly, a barrier device, a pre-cooling water seal device and a main control device. The integrated water tank is provided with an ice water bin, a normal-temperature water bin and a hot water bin, a refrigerating device is arranged in the ice water bin, and a heat exchanger thermally coupled with the refrigerating device is arranged in the normal-temperature water bin to recover waste heat. The barrier device atomizes and sprays the low-temperature medium in the ice water bin through the annular distribution pipeline, a dynamic air curtain barrier is formed above the opening of the urinal, and visual shielding and peculiar smell source inhibition are achieved. The pre-cooling type water seal device is arranged below the air curtain and used for spraying low-temperature medium flow into the urinal. The master control device coordinates and controls all the functions. Through five-dimensional perception and low-temperature fluid active regulation and control, the health protection problem in the prior art is systematically solved, and high unification of health, comfort and energy conservation is achieved. The practicability is high, and the popularization significance is high.

The invention discloses a composite multienzyme-sodium alginate synergistic deodorization spray, a preparation method and application, the deodorization spray takes a composite multienzyme system as a core catalytic component, sodium alginate as a carrier and adsorption synergistic component, tea polyphenol as an antibacterial component, and a biological enzyme synergist as a performance strengthening component; through a quadruple synergistic mechanism of adsorption, catalysis, bacteriostasis and synergy, efficient removal of multiple types of peculiar smells such as sulfur, nitrogen, protein and fat in the household garbage and the pet excrement is achieved, meanwhile, breeding of peculiar smell source microorganisms is inhibited, and excellent ecological safety is achieved. The problems that an existing deodorant is single in enzyme system, incomplete in peculiar smell coverage, poor in enzyme stability, weak in continuous deodorization effect and the like are solved, and the deodorant is simple in preparation process, safe, free of residues, suitable for deodorization of families, pet places, garbage transfer stations and other scenes and wide in application prospect.

The application discloses an olfactory training system for activating a motor-olfactory-hippocampal neural network and application, the system comprises a plurality of different odor sources, the odor source is used for alternating olfactory stimulation to stroke patients, so as to improve the cognitive function and / or olfactory function of the patient. The application firstly discloses that the function connection of the motor-olfactory-cognitive brain area is disordered after stroke, the function of the VIP neuron of the motor cortex (MO) around the infarction is inhibited; the VIP neuron of the MO region dominates the GABA neuron of the dorsal peripeduncular area (DP) through an inhibitory pathway, activating the pathway can remove the inhibition of the glutamatergic pyramidal neuron of the DP, enhance the excitatory input to the hippocampal CA3 region, and restore the olfaction and spatial memory. The application proves that the structured olfactory training can activate the loop, and significantly improve the cognitive function of the stroke patient. The application provides a simple and non-invasive stroke rehabilitation strategy.

The embodiment of the application discloses a kind of in-vehicle smell adjustment method, device, electronic equipment and computer readable medium, main technical scheme includes: using smell sensor, the smell of air in the inside and outside environment of vehicle is detected, obtain the smell detection data of car and the smell detection data in car;Based on the smell detection data of car and the smell detection data in car, determine the odor area where odor source is located;In response to determining that the odor area is located in the car, based on the current speed of the vehicle, using venturi exhaust device to suck odor air, and using partition air conditioner air supply device to adjust the airflow direction in the car, so that the odor air is discharged outside with directional airflow.This in-vehicle smell adjustment mode can make the odor in the car be efficiently and directionally discharged, improve the in-vehicle environment, and improve the experience of driver and passenger.

The application discloses a composition with synergistic bacteriostatic and deodorizing functions and application thereof. The deodorizing and bacteriostatic composition provided by the application takes capryloyl glycine, antibacterial peptide, ecological complexing factor and persimmon fruit extract as core active components, the components have synergistic effects, have good odor eliminating effects and long-acting inhibiting effects on growth of Escherichia coli, Staphylococcus aureus and human staphylococcus; the capryloyl glycine can regulate grease secretion and inhibit growth of harmful bacteria; the antibacterial peptide can kill bacteria in a wide spectrum and quickly eliminate odor sources; the ecological complexing factor can regulate microecology, enhance a barrier, inhibit bacterial breeding and promote skin repair; the persimmon fruit extract can react with protoplasm in microorganisms and various enzymes in the protoplasm, has obvious inhibiting effects on various pathogenic bacteria, the components synergistically play the roles and damage bacterial cell membranes, so that bacterial drug resistance is reduced. The composition provided by the application combines target bacteriostasis, metabolic blockage and bacterial population regulation technology and realizes integrated functions of 'bacteriostasis, deodorization and repair'.

The invention provides a refrigerator smell detection method which comprises the following steps: when a drawer opening signal or a drawer closing signal is received, starting a sensor module located at a position close to a refrigerator door body; in the opening or closing process of the drawer, smell data X is periodically collected through the sensor module. According to the invention, the relative movement between the drawer and the sensor module in the opening or closing process is utilized, so that the smell data at different positions in the drawer can be detected, and the influence of different positions of food materials on the response consistency of the sensor module is avoided. According to the odor data X, the odor condition in the drawer can be analyzed, and an odor source area can be positioned.