Disclosure of Invention
The present invention is directed to a water detection system for an automatic calibration type liquid atomizer, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automatic calibration formula liquid atomizing device examines water system, includes mutual electric connection's microprocessor, power supply, electric capacity detection module and current detection module periodically send detected signal, and when electric capacity detection module and current detection module testing result inconsistent, electric capacity detection module calibration threshold.
In a further technical scheme, the capacitance detection module and the current detection module are synchronously detected.
According to the technical scheme, the output end of the power supply is connected with the input end of the microprocessor, the output end of the capacitance detection module is connected with the input end of the microprocessor, and the output end of the current detection module is connected with the input end of the microprocessor.
The technical scheme is that the current detection module is used for compensating errors of the water quantity in the atomizer detected by the capacitance detection module, the current detection module comprises a phase current generator and a clock circuit module, the output end of the current generator is connected with the input end of the clock circuit module, the output end of the clock circuit module is connected with the input end of the microprocessor, the current generator sends current to the clock circuit module, and the current forms periodic signals after being processed by the clock circuit module and is sent to the microprocessor.
According to the technical scheme, the capacitance detection module is used for detecting the water quantity in the atomizer and comprises an RC oscillator, a storage and a comparison module which are electrically connected with each other, a water level threshold value is stored in the storage, the comparison module acquires the current detection value of the RC oscillator and the storage register threshold value of the storage to compare, a comparison result forms a periodic signal, and the periodic signal is sent to the microprocessor.
According to a further technical scheme, the capacitance detection module further comprises a calibration module, the calibration module is connected with the storage, when the detection results of the capacitance detection module and the current detection module are inconsistent, the microprocessor sends a calibration signal to the calibration module based on the detection result of the current detection module, the calibration module erases an original water level threshold value registered by the storage, and the current value detected by the RC oscillator is rewritten in the storage to serve as a new water level threshold value.
According to the technical scheme, the intelligent alarm device further comprises an alarm module, the input end of the alarm module is connected with the output end of the microprocessor, and when the detection results of the capacitance detection module and the current detection module are inconsistent, the microprocessor sends an alarm signal to the alarm module.
The invention has the beneficial effects that:
the invention provides a water detection system of an automatic calibration type liquid atomization device, which adopts a capacitance detection mode and a current detection mode to carry out synchronous detection, overcomes the defect that the detection effect is influenced by impurities such as water scales and the like only by adopting the capacitance detection mode, and is additionally provided with a clock circuit module in the aspect of current detection, so that the current detection forms a periodic detection signal, and the service life of an atomizer is prolonged.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention,
referring to figures 1-6 of the drawings,
the utility model provides an automatic calibration formula liquid atomizer examines water system, includes mutual electric connection's microprocessor 1, power supply 2, electric capacity detection module 3 and current detection module 4 periodically send detected signal, and when electric capacity detection module 3 and current detection module 4 testing result inconsistent, electric capacity detection module 3 calibrates the threshold value.
In a further technical scheme, the capacitance detection module 3 and the current detection module 4 are synchronously detected.
According to the further technical scheme, the output end of the power supply 2 is connected with the input end of the microprocessor 1, the output end of the capacitance detection module 3 is connected with the input end of the microprocessor 1, and the output end of the current detection module 4 is connected with the input end of the microprocessor 1.
Further technical scheme, current detection module 4 is used for compensating the error that electric capacity detection module 3 detected the interior water yield of atomizer, current detection module 4 includes looks current generator 41 and clock circuit module, current generator 41's output is connected with clock circuit module 42's input, clock circuit module 42's output is connected with microprocessor 1's input, current generator 41 sends out the electric current to clock circuit module 42, the electric current forms periodic signal after passing through clock circuit module 42 and handling to microprocessor 1.
According to a further technical scheme, the capacitance detection module 3 is used for detecting the amount of water in the atomizer, the capacitance detection module 3 comprises an RC oscillator 31, a storage 32 and a comparison module 33 which are electrically connected with each other, the storage 32 stores a water level threshold value, the comparison module 33 obtains the current detection value of the RC oscillator 31 and the storage threshold value of the storage 32 to compare, and a comparison result forms a periodic signal and is sent to the microprocessor 1.
In a further technical scheme, the capacitance detection module 3 further includes a calibration module 34, the calibration module 34 is connected to the storage 32, when the detection results of the capacitance detection module 3 and the current detection module 4 are inconsistent, the microprocessor 1 sends a calibration signal to the calibration module 34 based on the detection result of the current detection module 4, the calibration module 34 erases the original water level threshold value registered in the storage 32, and rewrites the current value detected by the RC oscillator 31 in the storage 32 as a new water level threshold value.
According to the further technical scheme, the intelligent alarm device further comprises an alarm module 5, the input end of the alarm module 5 is connected with the output end of the microprocessor 1, and when the detection results of the capacitance detection module 3 and the current detection module 4 are inconsistent, the microprocessor 1 sends an alarm signal to the alarm module 5.
In an embodiment of the invention, the capacitance detection module 3 tests whether water exists in the atomizer in a way of simulating a human body touch screen, when water exists in the atomizer, the oscillation frequency of the RC oscillator 31 in the capacitance detection module 3 changes, so that a signal sent by the capacitance detection module 3 is different from a water level threshold value registered by the storage 32, then the current detection value of the RC oscillator 31 and the registered threshold value of the storage 32 are obtained through the comparison module 33 for comparison, the comparison result forms a periodic signal and is sent to the microprocessor 1, the microprocessor 1 identifies the signal, considers that water exists in the atomizer, and the atomizer continues to work,
because the above-mentioned detection mode when the incrustation scale exists in the atomizer inside wall, the oscillation frequency of RC oscillator 31 can be influenced as well, finally, capacitance detection module 3 sends out the signal different from the water level threshold value, let the treater believe that still there is water in the atomizer by mistake, lead to the testing result inaccurate, therefore be used for compensating the error that capacitance detection module 3 detected the water yield in the atomizer through increasing current detection module 4, whether there is water in detecting the atomizer through current generator 41, send the result to clock circuit module 42 with the form of electric current simultaneously, form periodic signal after processing through clock circuit module 42, and send microprocessor 1 to.
The calibration system of the present invention combines the detection capacitance with the current direction, and generates the following four conditions:
1. the microprocessor 1 receives a detection result of the capacitance detection module 3 as water in the atomizer and a detection result of the current detection module 4 as no water in the atomizer, the judgment results of the two are inconsistent, the calibration module 34 is started, the microprocessor 1 sends a calibration signal to the calibration module 34 based on the detection result of the current detection module 4, the calibration module 34 erases an original water level threshold value registered by the storage 32, the current value detected by the RC oscillator 31 is rewritten into the storage 32 as a new water level threshold value to complete calibration, and meanwhile, the microprocessor 1 sends an alarm signal to the alarm module 5 to prompt that no water is in the atomizer;
2. the microprocessor 1 receives the detection result of the capacitance detection module 3 that water exists in the atomizer, and receives the detection result of the current detection module 4 that water exists in the atomizer, and the judgment results of the two are consistent, and the water exists in the atomizer, so that calibration is not needed;
3. the microprocessor 1 receives the detection result of the capacitance detection module 3 that the atomizer is anhydrous and the detection result of the current detection module 4 that the atomizer is anhydrous, and the judgment results of the two are consistent, so that the atomizer has no water in the memory and does not need calibration;
4. microprocessor 1 receives the testing result of electric capacity detection module 3 and is anhydrous in the atomizer to and the testing result of receiving current detection module 4 has water in being the atomizer, and both judge that the result is inconsistent, and microprocessor 1 regards the result of current detection module 4 testing result as the standard, thinks that there is water in the atomizer, and microprocessor 1 sends alarm signal to alarm module 5 this moment, has water in the suggestion atomizer, and electric capacity detection module 3 detects unusually.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.