CN205561122U - Domestic humidifier with error correction function - Google Patents
Domestic humidifier with error correction function Download PDFInfo
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- CN205561122U CN205561122U CN201620372838.8U CN201620372838U CN205561122U CN 205561122 U CN205561122 U CN 205561122U CN 201620372838 U CN201620372838 U CN 201620372838U CN 205561122 U CN205561122 U CN 205561122U
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- humidifier
- error correction
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- microcontroller chip
- correction function
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a domestic humidifier with error correction function, including data acquisition device, humidifier body, microcontroller chip, power module and display module. The data acquisition device includes high reflectivity temperature sensor and humidity transducer. The humidifier body includes the ultrasonic wave base and sets up the water tank on the ultrasonic wave base, the top center of water tank is provided with out the fog mouth, and this fog mouth can horizontal rotation and vertical turn, be provided with in the water tank and go out the wind -guiding way that the fog mouth is linked together, be provided with reverse osmosis membrane in this wind -guiding is said, be provided with display screen, the adjust knob who is connected with the display module on the ultrasonic wave base and be used for the pilot lamp that operating condition instructed. After adopting above -mentioned structure, the error correction equation that utilizes the standard hygrometry, temperature and the linear output voltage that acquire to constitute under the same environment to carry out accurate measurement to air humidity, carries out automatically regulated to the play fog volume of a fog mouth, and the precision is high, and the energy consumption is low.
Description
Technical field
This utility model relates to a kind of humidifier, belongs to electronics, communication and information engineering field, a kind of household humidifier with error correction function.
Background technology
Along with expanding economy and the raising of living standards of the people, the people increasingly focus on quality of life and health.And humidity is the key factor affecting environmental quality, in living environment, the size of relative air humidity affects comfort level and the life and health of people.When humidity is too low, evaporation is accelerated, and causes the shortage of body water, easily makes application on human skin dry and cracked, and bronchia mucosal is upset, and the symptoms such as thirsty, laryngalgia occurs.Especially in winter and the modern office, job market of northern China, dry weather easily induces a lot of disease, such as dermatosis, bronchitis etc..
Therefore, people are frequently used humidifier to carry out the humidification of room air.Humidifier the most on the market is of a great variety, but often fault rate is high, energy consumption is high, nebulization efficiency is low and it cannot be guaranteed that the high accuracy of relative humidity measurement.
In addition, a lot of household humidifiers on market often do not have temperature-compensating mechanism, temperature not only affects the accurate measurement of humidity, more relative humidity can be caused and directly affect, and then make the fog outlet mist amount of humidifier size, open and close only with individual subjective feel to regulate and control, so easily cause the too high or too low of relative air humidity.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and a kind of household humidifier with error correction function is provided, this household humidifier precision with error correction function is high, energy consumption is low, ambient temperature during work and ambient humidity can be carried out Real-time Collection, and according to ambient temperature, the fog-supplying amount of fog outlet can be automatically adjusted.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of household humidifier with error correction function, including data acquisition unit, humidifier body, microcontroller chip, power module and display module.
Data acquisition unit includes high reflectance temperature sensor and humidity sensor；High reflectance temperature sensor is the real-time monitoring of ambient temperature when humidifier body works, and passes data to microcontroller chip；Humidity sensor is the real-time monitoring of ambient humidity when humidifier body works, and passes data to microcontroller chip.
Humidifier body includes ultrasound wave base and the water tank being arranged on ultrasound wave base；The top center of water tank is provided with fog outlet, and this fog outlet can horizontally rotate and vertical rotating；It is provided with the wind guide channel being connected with fog outlet in water tank, in this wind guide channel, is provided with reverse osmosis membrane；Display screen, adjusting knob and the display lamp for duty instruction being connected with display module it is provided with on ultrasound wave base.
Microcontroller chip, for receiving ambient temperature and the humidity data that data acquisition unit transmits, and to the ambient temperature received with after humidity data carries out error correction process, is automatically adjusted the fog-supplying amount of fog outlet in humidifier body.
Power module, is used for powering.
Display module, for display environment temperature and humidity data, and can input rh value for user.
Also including that analog-to-digital conversion module and isolation module, analog-to-digital conversion module are connected with data acquisition unit and isolation module, the outfan of isolation module is connected with microcontroller chip；Analog-to-digital conversion module exports for the analog signals that high reflectance temperature sensor and humidity sensor collect is changed into digital signal；Isolation module is for isolating the input of microcontroller chip and the output signal of telecommunication, it is ensured that electrical isolation capabilities and capacity of resisting disturbance.
Described data acquisition unit also includes water level induction module; water level in water tank in humidifier body can be monitored by this water level induction module in real time; and Monitoring Data is passed to microcontroller chip, microcontroller chip can instruct power-off self-protection when humidifier body carries out hydropenia.
Also include the clock module being connected with microcontroller chip.
Also including that wind gathering is fanned, this wind gathering fan can provide power for the mist that goes out of humidifier body, cuts down fan resistance.
Described display screen is TFT formula LED display.
Described high reflectance temperature sensor includes having the copper ball of high reflectance, film platinum resistor and substrate；Wherein, a diameter of 8mm of copper ball, the material of substrate is aluminium oxide ceramics.
The model of described humidity sensor is HM1500 type.
After this utility model uses said structure, the linear voltage of humidity sensor output is not only affected by vapour molecule in air, the most relevant with the temperature of air.Air humidity is measured by error correction equation that this utility model utilizes the standard relative humidity got under equivalent environment, temperature and linear output voltage to constitute accurately.User is by presetting rh value Rw to display screen input, and microcontroller chip carries out intelligent high accuracy by Levenberg-Marquardt algorithm, pid control algorithm to humidifier body and regulates.Whole humidifier achieves the measures such as intelligent error correction, automatization's warning, power-off protection.In addition, according to individual subscriber use habit, user can carry out the regulation and control of artificial fog-supplying amount, and then regulation relative air humidity by adjusting knob.Thus, motivated, market potential is huge, has certain practicality and promotional value.
Accompanying drawing explanation
Fig. 1 shows the structural representation of a kind of household humidifier with error correction function of this utility model.
Fig. 2 shows the functions of modules block diagram of a kind of household humidifier with error correction function.
Fig. 3 shows the control structure block diagram of a kind of household humidifier with error correction function.
Wherein have: 1. water tank；11. fog outlets；12. transparent water windows；2. wind guide channel；21. reverse osmosis membranes；3. ultrasound wave base；31. display screens；32. adjusting knobs；33. display lamps.
Detailed description of the invention
With concrete better embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
As in figure 2 it is shown, a kind of household humidifier with error correction function, including data acquisition unit, humidifier body, microcontroller chip, power module, clock module, wind gathering fan, display module, analog-to-digital conversion module and isolation module.
Data acquisition unit includes high reflectance temperature sensor, humidity sensor and water level induction module.Wherein, water level induction module can be configured as required.
Above-mentioned high reflectance temperature sensor is the real-time monitoring of ambient temperature when humidifier body works, and passes data to microcontroller chip.
High reflectance temperature sensor includes having the copper ball of high reflectance, film platinum resistor and substrate；Wherein, the diameter of copper ball is preferably 8mm, and film platinum resistor is preferably A level Pt100.The material of substrate is aluminium oxide ceramics, can reduce radiation error, improves temperature measurement accuracy.
Humidity sensor is the real-time monitoring of ambient humidity when humidifier body works, and passes data to microcontroller chip.Humidity sensor preferably employs the HM1500 type humidity sensor constituted with polymer humidity sensor, and this sensor has the features such as fast response time, reproducible, capacity of resisting disturbance is strong.
As it is shown in figure 1, humidifier body includes ultrasound wave base 3 and the water tank 1 being arranged on ultrasound wave base；The top center of water tank is provided with fog outlet 11, and this fog outlet can horizontally rotate and vertical rotating.So, fog outlet can carry out level 360 ° and rotate mist, and fog outlet can upper and lower 0 ° to 90 ° rotation, be so easy to user and carry out the adjustment of fog outlet angle according to different placement locations.
It is provided with the wind guide channel being connected with fog outlet in water tank, in this wind guide channel, is provided with reverse osmosis membrane.
The side of water tank is additionally provided with transparent water window 12, and transparent water window can be easy to user and checks the remaining situation of the water yield at any time.
Display screen, adjusting knob and the display lamp for duty instruction being connected with display module it is provided with on ultrasound wave base.
Above-mentioned display screen is preferably TFT formula LED display, is connected with display module.
Above-mentioned adjusting knob can manually regulate and control the size of fog outlet fog-supplying amount.
Above-mentioned display lamp gives a green light and represents that humidifier normally works, and the expression hydropenia that sends out a warning or humidifier apparatus go wrong.
Microcontroller chip, for receiving ambient temperature, humidity and the water level information that data acquisition unit transmits, and to the ambient temperature received and humidity information, the linear voltage exported humidity sensor by error correction equation carries out error correction, thus draw high-precision relative humidity, and then utilize pid control algorithm that ultrasonic humidifier body carries out intelligent regulation, control the fog-supplying amount of fog outlet.
Power module, is used for powering.
Display module, for display environment temperature and humidity data, and can input rh value for user.
Above-mentioned analog-to-digital conversion module is connected with data acquisition unit and isolation module, and the outfan of isolation module is connected with microcontroller chip.
Above-mentioned analog-to-digital conversion module preferably employs 24 Σ/Δ low noise analog to digital converter AD7794, and major function is the analog signals that high reflectance temperature sensor and humidity sensor collect to be changed into digital signal export.
Above-mentioned isolation module preferably employs photoelectrical coupler, and Main Function is that isolation module is for isolating the input of microcontroller chip and the output signal of telecommunication, it is ensured that electrical isolation capabilities and capacity of resisting disturbance.
Water level in water tank in humidifier body can be monitored by above-mentioned water level induction module in real time, and Monitoring Data passes to microcontroller chip, and microcontroller chip can instruct power-off self-protection when humidifier body carries out hydropenia.
Above-mentioned wind gathering fan can provide power for the mist that goes out of humidifier body, cuts down fan resistance.
As it is shown on figure 3, a kind of method that household humidifier with error correction function carries out error correction, comprise the steps.
The first step, in humidifier body, the water yield is added: injects the water setting capacity inside water tank, and is tightened by the water inlet assembly of water tank.
Second step, ambient temperature and the collection of humidity data: humidifier body powers on after start, real time environment temperature Ta when high reflectance temperature sensor gathers humidifier body work, humidity sensor gather real time linear voltage output value U during humidifier body work0。
3rd step, calculates real time environment relative humidity Rg: real time environment temperature Ta gathered according to the 3rd step and real time linear voltage output value U0, and by the standard rh value RH got under equivalent environment.Wherein, standard rh value RH uses high standard pseudotype high/low temperature wet test case to demarcate, the regulation of temperature and relative humidity is carried out by high/low temperature wet test case, and then calibrate in uniform temperature, in the range of relative humidity, the number of humidity sensor Linear voltage output value, simulates relative humidity deviation update equation U eventually through Levenberg-Marquardt algorithm0=f (Ta, RH).When this humidifier is taken out proof box when, the temperature collected by the high reflectance temperature sensor inside humidifier, humidity sensor and linear voltage just can calculate the rh value Rg in now environment by relative humidity deviation update equation.
4th step, inputs real time environment temperature Ta, real time linear voltage output value U that second step is collected by rh value Rw: display screen0The real time environment relative humidity Rg calculated with the 3rd step shows in real time, and user is according to video data, and in display screen, rh value Rw is preset in input.
5th step, calculate relative humidity differential valve system error e: input according to the real time environment relative humidity Rg obtained by the 3rd step and the 4th step and preset rh value Rw, the absolute difference of real time environment relative humidity Rg and default rh value Rw it is calculated by microcontroller chip, this calculated absolute difference, is also relative humidity differential valve system error e.
6th step, humidifier body fog-supplying amount is automatically adjusted: the relative humidity differential valve system error e calculated according to the 5th step, and microcontroller chip uses pid control algorithm, controls the size of PWM duty cycle, and automatically adjust control to the fog-supplying amount of humidifier body.
When being embodied as, record uses Levenberg-Marquardt algorithm controls and PID to control stable relative humidity, relative error and the time of advent of the method that combines, it is recorded simultaneously under same settings relative humidity, the constant humidity of independent PID control method, relative error and the time of advent.As shown in table 1, wherein, initial RH is 42.2%.
Table 1
Analyzing the data obtained, the method using Levenberg-Marquardt algorithm controls and PID to control to combine can control about 1% relative humidity, and relative error effectively controls 3% scope again.The PID that this device is single compared to tradition in terms of control humidity controls, and has response time fast, and relative error is little, accuracy high.
Preferred implementation of the present utility model described in detail above; but; this utility model is not limited to the detail in above-mentioned embodiment; in technology concept of the present utility model; the technical solution of the utility model can be carried out multiple equivalents, these equivalents belong to protection domain of the present utility model.
Claims (8)
1. a household humidifier with error correction function, it is characterised in that: include data acquisition unit, humidifier body, microcontroller chip, power module and display module；
Data acquisition unit includes high reflectance temperature sensor and humidity sensor；High reflectance temperature sensor is the real-time monitoring of ambient temperature when humidifier body works, and passes data to microcontroller chip；Humidity sensor is the real-time monitoring of ambient humidity when humidifier body works, and passes data to microcontroller chip；
Humidifier body includes ultrasound wave base and the water tank being arranged on ultrasound wave base；The top center of water tank is provided with fog outlet, and this fog outlet can horizontally rotate and vertical rotating；It is provided with the wind guide channel being connected with fog outlet in water tank, in this wind guide channel, is provided with reverse osmosis membrane；Display screen, adjusting knob and the display lamp for duty instruction being connected with display module it is provided with on ultrasound wave base；
Microcontroller chip, for receiving ambient temperature and the humidity data that data acquisition unit transmits, and to the ambient temperature received with after humidity data carries out error correction process, is automatically adjusted the fog-supplying amount of fog outlet in humidifier body；
Power module, is used for powering；
Display module, for display environment temperature and humidity data, and can input rh value for user.
The household humidifier with error correction function the most according to claim 1, it is characterized in that: also include analog-to-digital conversion module and isolation module, analog-to-digital conversion module is connected with data acquisition unit and isolation module, and the outfan of isolation module is connected with microcontroller chip；Analog-to-digital conversion module exports for the analog signals that high reflectance temperature sensor and humidity sensor collect is changed into digital signal；Isolation module is for isolating the input of microcontroller chip and the output signal of telecommunication, it is ensured that electrical isolation capabilities and capacity of resisting disturbance.
The household humidifier with error correction function the most according to claim 1; it is characterized in that: described data acquisition unit also includes water level induction module; water level in water tank in humidifier body can be monitored by this water level induction module in real time; and Monitoring Data is passed to microcontroller chip, microcontroller chip can instruct power-off self-protection when humidifier body carries out hydropenia.
The household humidifier with error correction function the most according to claim 1, it is characterised in that: also include the clock module being connected with microcontroller chip.
The household humidifier with error correction function the most according to claim 1, it is characterised in that: also including that wind gathering is fanned, this wind gathering fan can provide power for the mist that goes out of humidifier body, cuts down fan resistance.
The household humidifier with error correction function the most according to claim 1, it is characterised in that: described display screen is TFT formula LED display.
The household humidifier with error correction function the most according to claim 1, it is characterised in that: described high reflectance temperature sensor includes having the copper ball of high reflectance, film platinum resistor and substrate；Wherein, a diameter of 8mm of copper ball, the material of substrate is aluminium oxide ceramics.
The household humidifier with error correction function the most according to claim 1, it is characterised in that: the model of described humidity sensor is HM1500 type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372838.8U CN205561122U (en) | 2016-04-28 | 2016-04-28 | Domestic humidifier with error correction function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372838.8U CN205561122U (en) | 2016-04-28 | 2016-04-28 | Domestic humidifier with error correction function |
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| Publication Number | Publication Date |
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| CN205561122U true CN205561122U (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620372838.8U Expired - Fee Related CN205561122U (en) | 2016-04-28 | 2016-04-28 | Domestic humidifier with error correction function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937792A (en) * | 2016-04-28 | 2016-09-14 | 南京信息工程大学 | Household humidifier with error correcting function and error correcting method |
| CN112272748A (en) * | 2018-06-29 | 2021-01-26 | 三菱电机株式会社 | Air conditioner |
-
2016
- 2016-04-28 CN CN201620372838.8U patent/CN205561122U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937792A (en) * | 2016-04-28 | 2016-09-14 | 南京信息工程大学 | Household humidifier with error correcting function and error correcting method |
| CN112272748A (en) * | 2018-06-29 | 2021-01-26 | 三菱电机株式会社 | Air conditioner |
| CN112272748B (en) * | 2018-06-29 | 2022-09-13 | 三菱电机株式会社 | Air conditioner |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20180428 |