Disclosure of Invention
The application provides an antirust paint air draft system of a refrigerator cabinet compressor bin and a control method, which aim to solve the problem of high energy consumption of the antirust paint air draft system.
In a first aspect, the present application provides a refrigerator cabinet compressor compartment rust inhibitive paint extraction system comprising:
The odor detection modules are arranged at different positions of the compressor bin and store position information, and are used for detecting the concentration of the pungent gas;
the variable frequency fan is arranged at the exhaust port;
the controller is electrically connected with the odor detection module and the variable frequency fan respectively;
The controller is configured to:
Acquiring the concentration of the stimulative gas detected by a plurality of odor detection modules;
calculating a gas concentration ratio according to the concentration of the irritant gas and the position information;
And comparing the gas concentration ratio with a preset concentration condition, and controlling the variable frequency fan to adjust the operating power according to a comparison result.
Optionally, the controller is configured to:
acquiring a weight value of the position information and the position quantity of the position information, wherein the larger the distance from the odor detection module to the variable frequency fan is, the larger the weight value is;
Calculating the product of the concentration of the stimulating gas and the weight value corresponding to the concentration of the stimulating gas;
Calculating the sum of a plurality of products;
and calculating the ratio of the sum to the number of the positions to obtain a gas concentration ratio.
Optionally, the controller is further configured to:
If the gas concentration ratio is in a first preset ratio range, controlling the variable frequency fan to operate at 100% of operating power;
if the gas concentration ratio is in a second preset ratio range, controlling the variable frequency fan to operate at 70% of operating power;
If the gas concentration ratio is in a third preset ratio range, controlling the variable frequency fan to operate at 40% of operating power;
And if the gas concentration ratio is in a fourth preset ratio range, controlling the variable frequency fan to operate at 20% of operating power.
Optionally, the first preset ratio range is 30-40%, the second preset ratio range is 20-30%, the third preset ratio range is 10-20%, and the fourth preset ratio range is 0-10%.
Optionally, the exhaust port is connected with a ventilation pipe, and one end of the ventilation pipe, which is far away from the exhaust port, is provided with a gas purifying component;
The gas cleaning assembly is used for cleaning the irritant gas.
Optionally, the gas purifying component is any one of plasma waste gas treatment equipment, photo-oxygen catalytic waste gas treatment equipment and active carbon adsorption device.
Optionally, the irritant gas comprises a gas mixture of formaldehyde, benzene, toluene, xylene.
In a second aspect, the present application provides a method for controlling the air draft of antirust paint in a compressor compartment of a refrigerator, which is applied to the air draft system of antirust paint in a compressor compartment of a refrigerator according to the first aspect, and includes:
the method comprises the steps of obtaining the concentration of the stimulative gas detected by a plurality of odor detection modules;
calculating a gas concentration ratio according to the stimulatory gas concentration and the position information;
and comparing the gas concentration ratio with a preset concentration condition, and controlling the variable-frequency fan to adjust the running power according to a comparison result.
Optionally, calculating the gas concentration ratio according to the stimulatory gas concentration and the position information includes:
acquiring a weight value of the position information and the position quantity of the position information, wherein the larger the distance from the odor detection module to the variable frequency fan is, the larger the weight value is;
Calculating the product of the concentration of the stimulating gas and the weight value corresponding to the concentration of the stimulating gas;
Calculating the sum of a plurality of products;
and calculating the ratio of the sum to the number of the positions to obtain a gas concentration ratio.
Optionally, comparing the gas concentration ratio with a preset concentration condition, so as to control the variable frequency fan to adjust the operation power according to a comparison result, wherein the step of controlling the variable frequency fan includes:
if the gas concentration ratio is in a first preset concentration range, controlling the variable frequency fan to operate at 100% of operating power;
If the gas concentration ratio is in a second preset concentration range, controlling the variable frequency fan to operate at 70% of operating power;
if the gas concentration ratio is in a third preset concentration range, controlling the variable frequency fan to operate at 40% of operating power;
And if the gas concentration ratio is in a fourth preset concentration range, controlling the variable frequency fan to operate at 20% of operating power.
According to the technical scheme, the application provides an antirust paint air draft system for a refrigerator compressor bin and a control method, wherein the antirust paint air draft system for the refrigerator compressor bin comprises a plurality of odor detection modules, a plurality of air draft units and a plurality of air draft units, wherein the odor detection modules are arranged at different positions of the compressor bin, and position information is stored in the odor detection modules; the device comprises an odor detection module, a variable frequency fan, a controller and a control unit, wherein the odor detection module is used for detecting the concentration of the stimulative gas, the variable frequency fan is arranged at an exhaust port, the controller is electrically connected with the odor detection module and the variable frequency fan respectively, the controller is configured to acquire the concentration of the stimulative gas detected by the odor detection module, calculate the gas concentration ratio according to the concentration of the stimulative gas and the position information, and compare the gas concentration ratio with a preset concentration condition according to a comparison result so as to control the variable frequency fan to adjust the running power. The pungent gas concentration is detected in real time through the odor detection module, and the running power of the variable-frequency fan is controlled according to the pungent gas concentration, so that the problem of high energy consumption of the antirust paint exhaust system is solved.
Detailed Description
Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the application. Merely exemplary of systems and methods consistent with aspects of the application as set forth in the claims.
In the refrigerator production process, rust-proof paint is required to be coated on pipelines welded by the compressor, so as to prevent the pipeline welded parts from rusting. Because the paint has a relatively unpleasant smell, the pungent gas in the air at the place is pumped away and treated by the air pumping system in consideration of factors such as workshop personnel production environment and the like.
Wherein, a plurality of exhaust openings 3 are arranged above and around the rust-proof paint brushing part, and are connected to an outdoor gas treatment device by adopting pipelines, and are discharged into the atmosphere after being treated by primary and secondary activated carbon. The exhaust system is an exhaust fan with fixed power, and the exhaust fan is started before the work is started until the exhaust fan is closed after the work is finished, and the exhaust fan continuously works during the work.
However, the exhaust system cannot detect the exhaust effect, namely the content of the pungent odor in the air cannot be detected, and the exhaust system is always in an open state by adopting a fixed-power exhaust fan, so that the energy consumption is high.
In order to solve the problem of greater energy consumption of the rust-proof paint exhaust system, referring to fig. 1 and 2, some embodiments of the present application provide a rust-proof paint exhaust system for a compressor bin of a refrigerator cabinet, including:
The odor detection modules 1 are arranged at different positions of the compressor bin, the odor detection modules 1 store position information, and the odor detection modules 1 are used for detecting the concentration of the pungent gas. The variable frequency fan 2, the variable frequency fan 2 sets up in exhaust port 3 department.
Specifically, the odor detection module 1 may detect the concentration of the irritating gas in the air. The variable frequency fan 2 is a device which can adjust the operating power according to the need. The operating power of the variable frequency fan 2 can be adjusted according to the gas concentration detected by the odor detection module 1.
The odor detection modules 1 are arranged at different positions of the compressor bin, the distance from the odor detection module 1 to the variable frequency fan 2 is obtained by recording the position information of each odor detection module 1, and when the concentration of the pungent gas detected by the odor module far away from the variable frequency fan 2 is larger, the power of the variable frequency fan 2 needs to be improved, and the pungent gas is pumped away as soon as possible.
The controller is electrically connected with the odor detection module 1 and the variable frequency fan 2 respectively;
The controller is configured to:
The method comprises the steps of obtaining the concentration of the stimulative gas detected by a plurality of smell detection modules 1;
calculating a gas concentration ratio according to the concentration of the irritant gas and the position information;
And comparing the gas concentration ratio with a preset concentration condition, and controlling the variable frequency fan 2 to adjust the running power according to a comparison result.
Wherein the controller is responsible for receiving and processing the concentration of the stimulating gas from the scent detection module 1, and then calculating the gas concentration ratio of several stimulating gas concentrations and the position information stored in the scent detection module 1. Meanwhile, the controller is also connected with the variable frequency fan 2 and can send control instructions to control the variable frequency fan 2 to perform cooling operation in different modes.
The controller first obtains data from the odor detection module 1, knowing the current compressor compartment gas concentration. The controller then calculates a gas concentration ratio in combination with the positional information. Finally, the controller compares the calculated gas concentration ratio with a preset concentration condition. If the ratio exceeds a preset condition, the controller instructs the variable frequency fan 2 to increase the operating power to exhaust the irritating gases through the variable frequency fan 2. To ensure that the compressor compartment maintains the air quality at a safe and comfortable level while conserving energy as much as possible.
In some embodiments, the controller is configured to:
Acquiring a weight value of the position information and the position number of the position information, wherein the larger the distance from the odor detection module 1 to the variable frequency fan 2 is, the larger the weight value is;
calculating the product of the concentration of the stimulating gas and the weight value corresponding to the concentration of the stimulating gas;
Calculating the sum of a plurality of products;
The ratio of the sum to the number of locations is calculated to obtain a gas concentration ratio.
When the irritant gas is discharged out of the compressor bin through the variable frequency fan 2, the position close to the variable frequency fan 2 can cause lower concentration of the irritant gas detected by the odor detection module 1 due to faster wind speed, and the position far away from the variable frequency fan 2 can cause higher concentration of the irritant gas due to long-time deposition, so that the odor detection module 1 can be arranged at different positions of the compressor bin, then the concentration of the irritant gas at different positions detected by the plurality of odor detection modules 1 is calculated, and then the power of the variable frequency fan 2 is adjusted.
Specifically, when the distance from the odor detection module 1 to the variable frequency fan 2 is further, in calculating the gas concentration ratio, the weight of the concentration of the exciting gas detected by the odor detection module 1 is larger, for example, three odor detection modules 1 are provided and respectively denoted as a first odor detection module 1, a second odor detection module 1, and a third odor detection module 1. The distance from the first odor detection module 1 to the variable frequency fan 2 is a, the distance from the second odor detection module 1 to the variable frequency fan 2 is b, the distance from the third odor detection module 1 to the variable frequency fan 2 is c, and a < b < c. That is, the weight value occupied by the concentration of the irritant gas detected by the first odor detection module 1 is d, that is, the weight value occupied by the concentration of the irritant gas detected by the first odor detection module 1 is e, that is, the weight value occupied by the concentration of the irritant gas detected by the first odor detection module 1 is f, d < e < f.
It will be appreciated that the formula for calculating the gas concentration ratio is
Wherein M is the gas concentration ratio, g n is the concentration of the stimulating gas detected by the nth gas detection module, g n is the weight value of the nth gas detection module, and n is the position number.
The content of the irritant gas in the compressor bin can be obtained more accurately by calculating the gas concentration ratio, and then the operation power of the variable frequency fan 2 is controlled according to the gas concentration ratio, when the content of the irritant gas in the compressor bin is higher, the operation power of the compressor bin can be improved, and when the content of the irritant gas in the compressor bin is lower, the operation power of the compressor bin can be reduced, so that the variable frequency fan 2 can operate with different operation powers under different conditions, and the power consumption is reduced.
In some embodiments, the controller is further configured to:
If the gas concentration ratio is within a first preset ratio range, controlling the variable frequency fan 2 to operate at 100% of operating power;
If the gas concentration ratio is in the second preset ratio range, controlling the variable frequency fan 2 to operate at 70% of operating power;
if the gas concentration ratio is in the third preset ratio range, controlling the variable frequency fan 2 to operate at 40% of operating power;
And if the gas concentration ratio is in the fourth preset ratio range, controlling the variable frequency fan 2 to operate at 20% of operating power.
Wherein the first preset ratio range is 30-40%, the second preset ratio range is 20-30%, the third preset ratio range is 10-20%, and the fourth preset ratio range is 0-10%.
Specifically, after the controller receives the concentration of the irritant gas, the controller obtains the weight value according to the position information and further calculates the gas concentration ratio according to the weight value and the concentration of the irritant gas, and finally comparing the gas concentration ratio with a preset concentration condition stored in the controller, and when the gas concentration ratio obtained by calculating the concentration of the stimulating gas detected in real time is in a first preset ratio range, sending a signal to the variable frequency fan 2 by the controller to enable the variable frequency fan 2 to operate according to 100% of operating power, wherein the air draft of the variable frequency fan 2 is maximum. When the gas concentration ratio obtained by calculating the concentration of the stimulating gas detected in real time is in a second preset concentration range, the controller sends a signal to the variable frequency fan 2, so that the variable frequency fan 2 operates according to 70% of operating power, namely 70% of the maximum air extraction quantity. When the gas concentration ratio obtained by calculating the concentration of the stimulating gas detected in real time is in a third preset concentration range, the controller sends a signal to the variable frequency fan 2, so that the variable frequency fan 2 operates according to 40% of operating power, namely 40% of the maximum draft. When the gas concentration ratio obtained by calculating the concentration of the stimulating gas detected in real time is in a fourth preset concentration range, the controller sends a signal to the variable frequency fan 2, so that the variable frequency fan 2 operates according to 10% of operating power, namely 10% of the maximum air extraction quantity.
The operation power of the variable frequency fan 2 is controlled to operate according to the actual conditions in the compressor bin, so that the effect of reducing energy consumption is achieved.
In some embodiments, as shown in FIG. 1, the exhaust port 3 is connected with a ventilation pipe 4, and one end of the ventilation pipe 4 away from the exhaust port 3 is provided with a gas purifying component 5;
The gas cleaning assembly 5 is used to clean the stimulating gas. When the variable frequency fan 2 draws air, the stimulating gas can be discharged out of the compressor bin.
The gas purifying component 5 is any one of plasma waste gas treatment equipment, photo-oxygen catalytic waste gas treatment equipment and active carbon adsorption device.
Specifically, the plasma waste gas treatment equipment utilizes the actions of active particles such as high-energy electrons and free radicals and pollutants in the irritant gas to decompose molecules in the irritant gas in a very short time and generate subsequent various reactions to degrade harmful substances in the irritant gas.
The photo-oxygen catalytic waste gas treatment equipment irradiates the irritant gas by adopting an ultraviolet light source, and simultaneously converts harmful substances in the irritant gas into harmless substances by combining the action of a catalyst.
The activated carbon in the activated carbon adsorption device has rich micropore structures and larger specific surface area, and can effectively adsorb formaldehyde, benzene, toluene, xylene and other harmful gases in the irritant gas. However, it should be noted that the adsorption amount of activated carbon is limited, and secondary pollution may be caused after the adsorption is saturated, so that periodic replacement is required.
In some embodiments, the irritating gas comprises a gas mixture of formaldehyde, benzene, toluene, xylene.
In some embodiments, as shown in fig. 3, an embodiment of the present application provides a method for controlling an air draft of an anti-rust paint in a compressor compartment of a refrigerator, which is applied to the anti-rust paint air draft system in the compressor compartment of the refrigerator provided in the above embodiment, and includes:
s100, acquiring the concentration of the irritant gas detected by a plurality of odor detection modules 1;
s200, calculating a gas concentration ratio according to the concentration of the irritant gas and the position information;
s300, comparing the gas concentration ratio with a preset concentration condition, and controlling the variable frequency fan 2 to adjust the operating power according to a comparison result.
In some embodiments, calculating the gas concentration ratio from the stimulatory gas concentration and the positional information comprises:
Acquiring a weight value of the position information and the position number of the position information, wherein the larger the distance from the odor detection module 1 to the variable frequency fan 2 is, the larger the weight value is;
calculating the product of the concentration of the stimulating gas and the weight value corresponding to the concentration of the stimulating gas;
Calculating the sum of a plurality of products;
The ratio of the sum to the number of locations is calculated to obtain a gas concentration ratio.
In some embodiments, comparing the gas concentration ratio with the preset concentration condition to control the variable frequency fan 2 to adjust the operation power according to the comparison result includes:
if the gas concentration ratio is in a first preset concentration range, controlling the variable frequency fan 2 to operate at 100% of operating power;
if the gas concentration ratio is in the second preset concentration range, controlling the variable frequency fan 2 to operate at 70% of operating power;
If the gas concentration ratio is in the third preset concentration range, controlling the variable frequency fan 2 to operate at 40% of operating power;
and if the gas concentration ratio is in the fourth preset concentration range, controlling the variable frequency fan 2 to operate at 20% of operating power.
According to the technical scheme, the rust-proof paint exhausting system and the control method for the refrigerator cabinet compressor bin comprise a plurality of smell detection modules 1, wherein the smell detection modules 1 are arranged at different positions of the compressor bin, position information is stored in the smell detection modules 1, the smell detection modules 1 are used for detecting the concentration of the stimulative gas, the variable-frequency fan 2 is arranged at an exhaust port 3, the controller is electrically connected with the smell detection modules 1 and the variable-frequency fan 2 respectively and is configured to obtain the concentration of the stimulative gas detected by the smell detection modules 1, the gas concentration ratio is calculated according to the concentration of the stimulative gas and the position information, and the variable-frequency fan 2 is controlled to adjust the running power according to the comparison result. The concentration of the pungent gas is detected in real time through the odor detection module 1, and the running power of the variable-frequency fan 2 is controlled according to the concentration of the pungent gas, so that the problem of high energy consumption of the antirust paint exhaust system is solved.
The above-provided detailed description is merely a few examples under the general inventive concept and does not limit the scope of the present application. Any other embodiments which are extended according to the solution of the application without inventive effort fall within the scope of protection of the application for a person skilled in the art.