CN208139524U - A kind of inclination of humidifier assists detection circuit with water shortage - Google Patents
A kind of inclination of humidifier assists detection circuit with water shortage Download PDFInfo
- Publication number
- CN208139524U CN208139524U CN201721470241.8U CN201721470241U CN208139524U CN 208139524 U CN208139524 U CN 208139524U CN 201721470241 U CN201721470241 U CN 201721470241U CN 208139524 U CN208139524 U CN 208139524U
- Authority
- CN
- China
- Prior art keywords
- signal
- sensor
- sensor signal
- inclination
- humidifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Air Humidification (AREA)
Abstract
The utility model discloses a kind of inclinations of humidifier to assist detection circuit with water shortage, the auxiliary detection circuit further includes having sensor array, sensor signal transmission link, signal condition center, sensor signal processing center and state indication unit, wherein, the variation of the case where sensor array is made of several sensors, is responsible for measurement liquid tilt and liquid residue；Sensor signal transmission link is responsible for the maintenance of sensor signal and filtering out for interference signal；Signal condition center is responsible for carrying out shaping to sensor signal；Sensor signal processing center is responsible for parsing the signal after shaping and exporting parsing result；State indication unit instruction inclination and water position status.The utility model can be converted to heeling condition detecting that humidifier complete machine is placed in inclined-plane or is cut by upright state, provide information warning in time, prevent from toppling over the generation for leading to the accidents such as electric shock.
Description
Technical field
The utility model belongs to electronic atomizer technical field, the in particular to condition checkout gear of humidifier.
Background technique
Above, blower, control panel are top-heavy in lower section for the usual sink of humidifier, slightly collide and are easy to topple over, add
The hotel Shi Qi, market, health preserving room, household etc. are widely used, if being able to detect that, humidifier is in inclined-plane, or from straight
Vertical state shift heeling condition has the tendency that toppling over, then can make warning in advance, prevents humidifier in time and topples over.Such as patent Shen
201410749874.7 it please disclose one kind and prevent from toppling over and automatically power off humidifier, which is added by the improvement of structure
Wet device topples over power-off work, but the patent primarily serves the function of toppling over protection cutting, can not be according to the inclination of humidifier
Situation carries out warning in advance.
Water shortage detection is always the difficult point of humidifier and fumigating machine.The inspection water of early stage is in such a way that tongue tube adds magnetic floating ball
Inspection water is carried out, additionally increases structure in humidifier using such inspection water needs, the installation of tongue tube is inconvenient, while magnetic floating ball
If floating a possibility that encountering foreign matter, blocking in water, the function of alarm can not be played；And fumigating machine compares the body of humidifier
Product is much smaller, and increasing tongue tube inspection water-bound in the sink of fumigating machine will be a greater impact to sink space, subtracts in sink space
To keep original moisture storage capacity in the case where small, then need to increase sink, however sink is increased and will lead to fog-supplying amount
It reduces, so the mode of tongue tube inspection water shortage can not be suitble to all types.Fumigating machine generallys use ADC in atomization circuit
Sampling resistor carry out current signal acquisition, by realizing water shortage detection to analyzing in atomization process heart signal, using this
Kind mode carries out inspection water and needs to start atomizing functions, starts atomizing functions in anhydrous situation and carries out water shortage detection to atomizing piece
It is damaged.
Patent application 201610827358.0 discloses a kind of water shortage detection method and device of humidifier, including：It obtains
The water level parameters for the sink that water level sensor monitors；The water position status of the sink is determined according to the water level parameters；Institute
When the water position status for stating sink is exsiccosis, solenoid valves are controlled, wherein the solenoid valve is connect with water tank, the water
Case is used to add water to the sink by the solenoid valve, and the solenoid valve is opened when being powered；Record solenoid valves number；
It is more than the first preset times in the solenoid valves number, and the water level shape of the sink determined after solenoid valves every time
When state is exsiccosis, the water tank lacks water is confirmed.The technical solution can add the case where water quasi- according to water tank into sink
Really judge water tank lacks water.Turn however, the device can not detect that humidifier complete machine is placed in inclined-plane or is cut by upright state
It is changed to heeling condition, information warning cannot be provided, it is difficult to meet the accurate monitoring demand to humidifier.
Summary of the invention
Based on this, therefore the primary mesh of the utility model be to provide a kind of inclination of humidifier and water shortage auxiliary detection electricity
Road, the circuit can be converted to heeling condition detecting that humidifier complete machine is placed in inclined-plane or is cut by upright state, mention in time
For information warning, prevent from toppling over the generation for leading to the accidents such as electric shock.
Another mesh of the utility model it is to provide a kind of humidifier inclination and assists detection circuit, the circuit with water shortage
Also the detection of residual water level and exsiccosis can be realized under the scene for being not turned on atomizing functions, reduce the damage to atomizing piece,
Also client is supported to set the specific water level for stopping atomization simultaneously, realizes the control of atomization quantity.
To achieve the above object, the technical solution of the utility model is：
A kind of inclination of humidifier assists detection circuit with water shortage, includes atomization drive control unit and atomization unit,
It is characterized in that the auxiliary detection circuit further includes having sensor array, sensor signal transmission link, signal condition center, sensing
Device signal processing center and state indication unit, wherein sensor array is made of several sensors, is responsible for measurement liquid tilt
The case where and liquid residue variation；Sensor signal transmission link is responsible for the maintenance and interference signal of sensor signal
It filters out；Signal condition center is responsible for carrying out shaping to sensor signal；Sensor signal processing center, after being responsible for shaping
Signal is parsed and exports parsing result；State indication unit instruction inclination and water position status；
The sensor array connects sensor signal transmission link；In the conditioning of sensor signal transmission link connection signal
Sensor signal is transferred to signal condition center by the heart under the smallest loss；Signal condition center connects at sensor signal
Reason center sends the sensor signal after shaping to sensor signal processing center；Sensor signal processing center connects shape
State indicating unit and atomization drive control unit, state indication unit according to the instruction at signal processing center carry out water shortage, inclination,
The instruction of water position status etc..
The sensor is thin film sensor, and thin film sensor is fixed on the pcb board according to thin film shape customization, and is drawn
Corresponding signal wire out, meanwhile, the full scale of sensor is 10mV.
Further, the sensor array is installed on the bottom of atomizer sink, and in the sensor array, sensor
It is uniformly arranged on the bottom of atomizer sink, with the heeling condition of accurate judgement atomizer.
Further, difference of the capacitor in the sensor signal transmission link using several 100pF as transducing signal
Divide filtering, to guarantee the integrality of transmission signal.
Further, sensor signal transmission link can be used multiple differential signal amplifiers and carry out differential signal voltage
It follows, the integrality of further promotion signal.
Further, signal enters conditioning center and amplifies processing to sensor signal, in order to further decrease complete machine at
This, signal is entered conditioning center and is realized using the built in op amps in main controller, while the DAC in main controller is mentioned to amplifier
For initial offset signal, signal timesharing is superimposed upon on DAC signal and is exported by operational amplifier.
Further, the ADC input channel in the output signal connection main controller of built in op amps, in main controller
ADC is High Speed High Precision ADC, and after ADC measurement obtains digital signal, main controller parses signal.
The circuit that the utility model is realized can allow atomizer complete machine to carry out water under the premise of being not take up sink space
The detection of position state simultaneously carries out quantization appropriate；Be conducive to atomizer carries out water level in the state of being not turned on atomizing functions simultaneously
Detection, extend the service life of atomizing piece；Early warning is realized in atomizer slant setting, carries out atomizing functions after inclination is fallen
Closing.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model implemented humidifier inclination and water shortage auxiliary detection circuit.
Fig. 2 is the sensor array distribution schematic diagram of the implemented water tank bottom of the utility model.
Fig. 3 is 1 schematic diagram of scene of the implemented atomizer inclination set angle ∠ a ° of the utility model.
Fig. 4 is 2 schematic diagram of scene of the implemented atomizer inclination set angle ∠ a ° of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Shown in Fig. 1, the humidifier inclination realized by the utility model assists detection circuit with water shortage, as shown in the figure, should
The sensor array that circuit is made of several sensors is responsible for the variation of the case where measuring liquid tilt and liquid residue；It passes
Sensor signal transmission link is responsible for the maintenance of sensor signal and filtering out for interference signal；Signal condition center is responsible for sensing
Device signal carries out shaping；Sensor signal processing center is responsible for parsing the signal after shaping and exporting parsing result；Shape
State indicating unit instruction inclination and water position status；Atomization drive control unit is responsible for oscillation letter required for providing atomization unit
Number；Atomization unit is responsible for water carrying out atomization process.
Sensor array connects sensor signal transmission link；Sensor signal transmission link connection signal improves center,
Sensor signal is transferred to signal condition center under the smallest loss；Signal condition center connects in sensor signal processing
The heart sends the sensor signal after shaping to sensor signal processing center；Sensor signal processing center connection status refers to
Show that unit and atomization drive control unit, state indication unit carry out water shortage, inclination, water level according to the instruction at signal processing center
The instruction of state etc., atomization drive control unit provide driving signal according to the instruction at signal processing center；It is atomized drive control
Unit connects atomization unit, the Push And Release that atomization unit is atomized according to the signal of offer.
Based on this circuit form, tilt the humidifier of the utility model feasible with water shortage aided detection scheme.
Firstly, selecting suitable sensor.What this preferred embodiment was selected is thin film sensor, and thin film sensor is fixed on root
Above PCB according to thin film shape customization, and draw corresponding signal wire.The full scale of sensor is 10mV.
Sensor array is installed to the bottom of atomizer sink.Select 4 sensors altogether in this preferred embodiment, 4
The arrangement of a sensor is according to shown in Fig. 2.
Sensor signal passes through transmission link, difference of the transmission link using the capacitor of several 100pF as transducing signal
Divide filtering, to guarantee the integrality of transmission signal.
Transmission link can be used multiple differential signal amplifiers and carry out following for differential signal voltage, further promotion signal
Integrality.
Conditioning center is entered for signal, in this example, signal condition center amplifies processing to sensor signal.
In order to further decrease complete machine cost, this example is using the operational amplifier in main controller, while the DAC in main controller is to amplifier
Initial offset signal is provided, the amplification factor of operational amplifier may be configured as 256.Signal timesharing is superimposed upon on DAC signal simultaneously
It is exported by operational amplifier.
The output signal of built in op amps connects the ADC input channel in main controller, and the ADC in main controller is high speed
High-precision adc.After ADC measurement obtains digital signal, main controller parses signal.
Main controller carries out the switch control and display control of atomizing functions according to the result of parsing.Based on above-mentioned signal
Stream, main controller can detect the situation of change of sensor array signal, to keep the parsing of sensor signal feasible, next will
Carry out the parsing and identification of signal.
Assuming that humidifier inclination and the water shortage auxiliary that the utility model is realized are examined as shown in Fig. 2, tool is there are four sensor
Survey method measures signal A1, A2, A3, A4 of sensor 1,2,3,4 in the case where not adding water.
Then lowest water level C milliliters of water is added and measures sensor 1,2,3,4 under the scene for not opening atomizing functions
Signal and measured signal is subtracted into corresponding A1, A2, A3, A4, obtain D1, D2, D3, D4；Opening atomizing functions field
In the case where scape, the water in water tank can be rolled slightly, measured the signal of sensor 1,2,3,4 and subtracted measured signal pair
A1, A2, A3, A4 D12, D22, D23, the D24 answered.Take max (D1, D12), max (D2, D22), max (D3, D23), max
The water shortage threshold signal of (D14, D24) respectively as sensor 1,2,3,4.When the signal value and A1~4 pair that 4 sensors measure
When the difference for the signal value answered has 2 while being less than corresponding water shortage threshold signal, sensor signal processing center thinks
Atomizer water shortage, and signal of water shortage is supplied to atomization drive control unit and state indication unit.
If necessary to which multiple low water level early warning are arranged, then previous step is repeated, and corresponding threshold signal is stored in
For comparison in main controller.
Judgement for tilt angle, 40% water that about peak level is added measure atomizer tilt angle ∠ a °
Measured signal is simultaneously subtracted corresponding A1, A2, A3, A4 E1, E2, E3, E4 by the signal of sensor 1,2,3,4.Work as inclination
When atomizer state as see arrows 17 in fig 3 when, as a result simultaneously as shown in Figure 3.The adjacent sensors of No. 1 sensor are No. 2,3
Number, remaining sensor 4, their signal value is less than E2, E3 in rule E1, and E2, E3 are less than E4.The signal value of E2, E3 are close,
E2 and E3 averages as E5.Set E12=E1：E5, E22=E5：Such as E12, E22 is presented when sensor group measures signal in E4
When ratio or simultaneously greater than this ratio, then determine that, at this time to tilt scene 1, tilt angle is about ∠ a ° or more than ∠ a °.
When atomizer inclination is still ∠ a °, but state is as shown in Fig. 4 arrow, as a result simultaneously as shown in Figure 4.Sensor 1
Number, No. 2 in same inclined side, sensor 3, No. 4 in other side.Their signal value is close with E2 in rule E1, asks it
Average value is E32, and E3 is close with E4, is averaged as E42, setting E52=E32：E42 is in when sensor group measures signal
When now such as E52 or greater than the ratio, then determine that, at this time to tilt scene 2, tilt angle is about ∠ a ° or more than ∠ a °.
When needing to set multiple angle threshold values, then parsing that previous step carries out matrix signal is repeated.
During measurement, when have sensor values be mutated and other sensors value do not change when, then sensor is provided
Abnormal prompt signal carries out early warning to this kind of state to state indication unit, by state indication unit.
Therefore, by the utility model can be realized under the premise of not increasing supernumerary structure the inclined early warning of atomizer with
The auxiliary of water shortage detects, and obtains beneficial effect.
The circuit and method that the utility model is realized, can allow atomizer complete machine under the premise of being not take up sink space
It carries out the detection of water position status and carries out quantization appropriate；Simultaneously be conducive to atomizer in the state of being not turned on atomizing functions into
The detection of row water level extends the service life of atomizing piece；Early warning is realized in atomizer slant setting, carries out mist after inclination is fallen
Change the closing of function.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
- It include atomization drive control unit and atomization unit, spy 1. a kind of humidifier inclination assists detection circuit with water shortage Sign is that the auxiliary detection circuit further includes having sensor array, sensor signal transmission link, signal condition center, sensor Signal processing center and state indication unit, wherein sensor array is made of several sensors, is responsible for measurement liquid tilt The variation of situation and liquid residue；Sensor signal transmission link is responsible for the maintenance of sensor signal and the filter of interference signal It removes；Signal condition center is responsible for carrying out shaping to sensor signal；Sensor signal processing center is responsible for the letter after shaping It number is parsed and exports parsing result；State indication unit instruction inclination and water position status；The sensor array connects sensor signal transmission link；Sensor signal transmission link connection signal improves center, Sensor signal is transferred to signal condition center under the smallest loss；Signal condition center connects in sensor signal processing The heart sends the sensor signal after shaping to sensor signal processing center；Sensor signal processing center connection status refers to Show that unit and atomization drive control unit, state indication unit carry out water shortage, inclination, water level according to the instruction at signal processing center The instruction of state.
- 2. humidifier inclination as described in claim 1 assists detection circuit with water shortage, it is characterised in that the sensor is thin Film sensors, thin film sensor is fixed on the pcb board according to thin film shape customization, and draws corresponding signal wire.
- 3. humidifier inclination as claimed in claim 2 assists detection circuit with water shortage, it is characterised in that the sensor array It is installed on the bottom of atomizer sink, and in the sensor array, sensor is uniformly arranged on the bottom of atomizer sink.
- 4. humidifier inclination as claimed in claim 3 assists detection circuit with water shortage, it is characterised in that the sensor signal Differential filtering of the capacitor as transducing signal in transmission link using several 100pF；Sensor signal transmission link can be adopted Following for differential signal voltage, the integrality of further promotion signal are carried out with multiple differential signal amplifiers.
- 5. humidifier inclination as claimed in claim 4 assists detection circuit with water shortage, it is characterised in that signal enters in conditioning The heart amplifies processing to sensor signal, and signal is entered conditioning center and realized using the built in op amps in main controller, The DAC in main controller provides initial offset signal to amplifier simultaneously, and signal timesharing is superimposed upon on DAC signal and is put by operation Big device is exported.
- 6. humidifier inclination as claimed in claim 5 assists detection circuit with water shortage, it is characterised in that built in op amps Output signal connection main controller in ADC input channel, the ADC in main controller is High Speed High Precision ADC, and ADC measurement obtains After digital signal, main controller parses signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470241.8U CN208139524U (en) | 2017-11-07 | 2017-11-07 | A kind of inclination of humidifier assists detection circuit with water shortage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470241.8U CN208139524U (en) | 2017-11-07 | 2017-11-07 | A kind of inclination of humidifier assists detection circuit with water shortage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208139524U true CN208139524U (en) | 2018-11-23 |
Family
ID=64284289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721470241.8U Active CN208139524U (en) | 2017-11-07 | 2017-11-07 | A kind of inclination of humidifier assists detection circuit with water shortage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208139524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830605A (en) * | 2017-11-07 | 2018-03-23 | 芯海科技（深圳）股份有限公司 | A kind of humidifier tilts and water shortage auxiliary detection circuit and method |
-
2017
- 2017-11-07 CN CN201721470241.8U patent/CN208139524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830605A (en) * | 2017-11-07 | 2018-03-23 | 芯海科技（深圳）股份有限公司 | A kind of humidifier tilts and water shortage auxiliary detection circuit and method |
| CN107830605B (en) * | 2017-11-07 | 2023-10-27 | 芯海科技（深圳）股份有限公司 | Humidifier inclination and water shortage auxiliary detection circuit and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208139524U (en) | A kind of inclination of humidifier assists detection circuit with water shortage | |
| CN102455410A (en) | Remote discharging control system, monitoring unit device and detecting method of storage battery pack | |
| CN101405611A (en) | Method and device for indicating an electric discharge inside a bearing of an electric drive system | |
| CN105425159B (en) | The detection means and method of battery dump energy | |
| US9428375B2 (en) | Method and apparatus for limiting acidic corrosion in fuel delivery systems | |
| CN111812305B (en) | On-line lubricating oil detection sensor | |
| CN112392596A (en) | Monitoring method and system for air filter | |
| CN115116705A (en) | Transformer stores up oil tank state monitoring system | |
| CN110182237A (en) | A kind of freeze mode vacuum feces collecting system and its volume measuring method | |
| CN107830605A (en) | A kind of humidifier tilts and water shortage auxiliary detection circuit and method | |
| CN201464117U (en) | Electronic oil pressure sensor | |
| CN207336037U (en) | 120 valve testing stands | |
| CN110393985A (en) | Filter element for purifier replacing options based on loss calculation | |
| CN215842110U (en) | Automatic monitoring device of bag type dust collector | |
| CN202614638U (en) | High-accuracy water surface evaporation automatic tester | |
| CN202330743U (en) | Intelligent hyetometrograph | |
| CN220084128U (en) | Automatic liquid level monitoring system | |
| CN114976126A (en) | Air filter element pollution control method and system, fuel cell system and vehicle | |
| CN111575102A (en) | Oil filter with oil online detection function | |
| CN215867038U (en) | Instrument structure integrating current signal acquisition and processing | |
| CN2929695Y (en) | Real time collector for particulate matter | |
| CN212180565U (en) | Digital photoelectric photometer for aerosol | |
| CN216246671U (en) | Dual-redundancy intelligent liquid level sensor | |
| CN118089878A (en) | Intelligence ponding sedimentation system suitable for atmospheric data system | |
| CN215493950U (en) | High-current detection circuit and detection device for electronic tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |