CN202002249U - Ultrasonic humidifier with overheat self-locking protection - Google Patents
Ultrasonic humidifier with overheat self-locking protection Download PDFInfo
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- CN202002249U CN202002249U CN2010206134149U CN201020613414U CN202002249U CN 202002249 U CN202002249 U CN 202002249U CN 2010206134149 U CN2010206134149 U CN 2010206134149U CN 201020613414 U CN201020613414 U CN 201020613414U CN 202002249 U CN202002249 U CN 202002249U
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 29
- 239000003595 mist Substances 0.000 claims description 29
- 239000003990 capacitor Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 235000014676 Phragmites communis Nutrition 0.000 abstract 4
- 230000001276 controlling effect Effects 0.000 abstract 3
- 101150101769 sip5 gene Proteins 0.000 description 8
- 102100039940 Gem-associated protein 7 Human genes 0.000 description 4
- 101000886583 Homo sapiens Gem-associated protein 7 Proteins 0.000 description 4
- 238000009841 combustion method Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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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 relates to an ultrasonic humidifier with overheat self-locking protection, which comprises a reed switch, a fog quantity adjusting circuit, an oscillating circuit, an indicating circuit and a fan driving circuit; the temperature control self-locking circuit is used for acquiring temperature parameters of the humidifier, comparing the temperature parameters, controlling the working states of the fog quantity adjusting circuit and the indicating circuit, controlling the fog quantity adjusting circuit not to provide bias voltage if the temperature parameters reach a set value, controlling the indicating circuit to display corresponding information, and self-locking the temperature control self-locking circuit; if the temperature does not reach the set value, the temperature control self-locking circuit does not affect the fog quantity adjusting circuit and the indicating circuit. When the machine is lack of water, the reed switch is disconnected, the fog quantity adjusting circuit cannot work normally, the fan driving circuit does not work, the indicating circuit displays corresponding information, and the temperature control self-locking circuit has no influence on the fog quantity adjusting circuit; when the reed switch is closed, the fog quantity regulating circuit and the indicating circuit are controlled by the reed switch and controlled by the temperature control self-locking circuit.
Description
Technical field
The utility model relates to household electrical appliance technical field, is specifically related to ultrasonic humidifier.
Background technology
Ultrasonic humidifier obtained using widely and general approval, and through years of development, product has progressed into the maturity period because its humidification is effective.But because the humidification amount is big, there is a general defective in ultrasonic humidifier, and promptly device heating is serious; In addition, man-made fault also can cause dry combustion method such as there being foreign matter to block magnetic element etc.Existing solution comprises: 1. utilize water to cool off naturally, this method efficient and reliability are not high; 2. utilize disposable temperature protection fuse-link, this kind method can't be used after fuse-link damages; 3. use the temperature controller of restorability, this kind mode can be protected when overheated, but under the unwitting situation of user, electrical part is not only burnt in intermittently dry combustion method of machine, also can be to the fusing of shell plastic cement, and distortion does not finally reach the effect of protection.
Summary of the invention
The purpose of this utility model is to address the deficiencies of the prior art, and makes can protect safely and effectively when humidifier is overheated.
The purpose of this utility model is realized by following technical scheme: a kind of ultrasonic humidifier that has overheated self-lock protection, comprise tongue tube, mist amount regulating circuit, oscillating circuit, indicating circuit and fan drive circuit, the keying of tongue tube control mist amount regulating circuit and fan drive circuit, indicating circuit shows the keying state, and mist amount regulating circuit provides bias voltage for oscillating circuit; It is characterized in that: also comprise the temperature control latching circuit, have temperature acquisition end and output control terminal, the temperature acquisition end is gathered the temperature signal of humidifier, and output control terminal connects mist amount regulating circuit and indicating circuit.
The utility model has solved the problem of ultrasonic humidifier overtemperature protection, and when the machine lack of water, tongue tube disconnects, mist amount regulating circuit can't operate as normal, fan drive circuit is not worked yet simultaneously, and indicating circuit shows corresponding information, and the temperature control latching circuit does not have influence to it; And when the tongue tube closure, mist amount regulating circuit and indicating circuit are subjected to the control of tongue tube, be controlled by the control of temperature control latching circuit simultaneously, the temperature parameter of temperature control latching circuit by gathering humidifier controlled the duty of mist amount regulating circuit and indicating circuit through back relatively, control mist amount regulating circuit if temperature parameter reaches setting value bias voltage is not provided, and control indicating circuit demonstration corresponding information, and temperature control latching circuit itself is from locking; If temperature parameter does not reach and sets value then the temperature control latching circuit does not influence mist amount regulating circuit operate as normal and indicating circuit normally shows.When self-locking state, lower up to temperature, and re-power and to remove.The utility model need not the CPU programme-control, has saved cpu resource.
Description of drawings
The schematic diagram of the ultrasonic humidifier control circuit that Fig. 1 provides for embodiment.
The specific embodiment
As shown in Figure 1, present embodiment provides ultrasonic humidifier to comprise: tongue tube SIP5, temperature control latching circuit 1, mist amount regulating circuit 2, oscillating circuit 3, indicating circuit 4 and fan drive circuit 5, and below in conjunction with a specific implementation of accompanying drawing detailed description each several part circuit.
Tongue tube SIP5 one termination power, the power supply supply side of another termination mist amount regulating circuit 2 and fan drive circuit 5, thereby the keying of control mist amount regulating circuit 2 and fan drive circuit 5.
Temperature control latching circuit 1 comprises: PNP triode Q4, comparator U1A, thermistor RT, divider resistance R8, R9, R10, filter capacitor C5, current-limiting resistance R7, diode D2 and diode D3.Resistance R 10 connects power supply, thermistor RT ground connection, and the node of resistance R 10 and thermistor RT connects the emitter stage of first signal input part of comparator U1A (i.e. 3 pin) and triode Q4; Resistance R 9 connects power supply, resistance R 8 ground connection, and the node of resistance R 9 and resistance R 8 connects the secondary signal input of comparator U1A (i.e. 2 pin); The output of comparator U1A (i.e. 1 pin) connect respectively negative electrode, the diode D3 of diode D2 negative electrode, and connect the base stage of triode Q4 through resistance R 7; The grounded collector of triode Q4; Filter capacitor C5 is connected on the secondary signal input of comparator U1A; The anode of diode D2 provides control signal for mist amount regulating circuit 2, and the anode of diode D3 provides control signal for indicating circuit 4.
Wherein, the choosing value of resistance R 8, R9 cooperates sets a temperature threshold, when the temperature parameter (having transferred the signal of telecommunication to) of thermistor RT induction when not reaching this temperature threshold, first signal input part of comparator U1A (i.e. 3 pin) voltage will be greater than secondary signal input (i.e. 2 pin) voltage, the output of comparator U1A (i.e. 1 pin) output high level, this moment, triode Q4 ended, mist amount regulating circuit 2 operate as normal, and indicating circuit 4 normally shows.When the temperature parameter of thermistor RT induction reaches the temperature threshold of setting, first signal input part of comparator U1A (i.e. 3 pin) voltage will be lower than secondary signal input (i.e. 2 pin) voltage, the output of comparator U1A (i.e. 1 pin) output low level, triode Q4 conducting this moment, first signal input part of comparator U1A after the conducting (i.e. 3 pin) will be low level, the secondary signal input of comparator U1A (i.e. 2 pin) will be higher than the voltage of first signal input part (i.e. 3 pin) forever, by output low level again after the comparison, D2 conducting simultaneously, Q3 also ends, oscillator can't obtain bias voltage, thereby do not work, and comparator U1A also will realize from locking output low level.
Mist amount regulating circuit 2 comprises NPN type triode Q3, power semifixed resistor R4, stepless mist amount regulating element SIP6, divider resistance R5, R6, storage capacitor C4, resistance R 3 and coil L1, L2.Meet tongue tube SIP5 after resistance R 5, power semifixed resistor R4, the stepless mist amount regulating element SIP6 series connection, resistance R 6 ground connection, the node of resistance R 5 and resistance R 6 connects diode D2 anode and triode Q3 base stage, triode Q3 colelctor electrode meets tongue tube SIP5, storage capacitor C4 positive pole connects triode Q3 emitter stage, minus earth, and storage capacitor C4 the two poles of the earth are wiring circle L1 and L2 respectively, provide bias voltage by coil L1 and L2 for oscillating circuit 3, resistance R 3 connects the anodal and ground of storage capacitor C4.Wherein, use triode Q3 to make voltage follower, and is regulated as stepless mist amount by SIP6, R4 power semifixed resistor limits the peak power of machine with this, and R5, R6 dividing potential drop are adjusted to hour SIP6, all have an initial mist amount to export.
Indicating circuit 4 comprises red and green color lamp D4, NPN type triode Q5 and current-limiting resistance R12, R13, R14.The red light positive pole of bi-colour light D4 connects power supply through resistance R 13, the green light positive pole of bi-colour light D4 meets tongue tube SIP5 through resistance R 14, red light negative pole, green light minus earth, the base stage of triode Q5 connects anode, the colelctor electrode that tongue tube SIP5 meets diode D3 simultaneously through resistance R 12 and connects red light positive pole, grounded emitter.Triode Q5 conducting during operate as normal, the red light of bi-colour light D4 is low level just very, and green light is high level just very, gives a green light; When lack of water, tongue tube SIP5 disconnects, and triode Q5 ends, and green light is low level just very, and red light is high level just very, sends out a warning; In addition, when work is overheated (temperature parameter of gathering greater than the temperature threshold of setting is), diode D3 conducting, triode Q5 ends, and green light positive pole and the red light positive pole of bi-colour light D4 are high level all, are shown as yellow.
In addition, oscillating circuit 3 adopts general supersonic oscillations circuit, and its concrete structure repeats no more among the application for knowing technology.
It should be noted that as the comparator U1A of temperature control latching circuit 1 to enter when locking state, also can't make the circuit upset, have only start again, and temperature lowers when not reaching setting value even temperature lowers, could de-preservation.
Above embodiment only is fully open unrestricted the utility model, the utility model keynote idea is by sensing humidifier temperature, itself and setting threshold are judged relatively whether its duty is normal, if normal, then indicating circuit, mist amount regulating circuit and oscillating circuit operate as normal; If undesired, then do not work by temperature control latching circuit control mist amount regulating circuit, control indicating circuit simultaneously and show improper information.So, the particular circuit configurations that above embodiment provides only is a kind of specific implementation wherein, should not be considered to limit sole mode of the present utility model, for those skilled in the art under the enlightenment of the utility model keynote idea, the substitute mode that other can be arranged, for example, the triode in the temperature control latching circuit adopts positive-negative-positive or NPN type, perhaps thermistor is wherein selected the element of positive temperature coefficient or negative temperature coefficient, and its circuit structure all can be different.
Claims (4)
1. ultrasonic humidifier that has overheated self-lock protection, comprise tongue tube, mist amount regulating circuit, oscillating circuit, indicating circuit and fan drive circuit, the keying of tongue tube control mist amount regulating circuit and fan drive circuit, indicating circuit shows the keying state, and mist amount regulating circuit provides bias voltage for oscillating circuit; It is characterized in that: also comprise the temperature control latching circuit, have temperature acquisition end and output control terminal, the temperature acquisition end is gathered the temperature signal of humidifier, and output control terminal connects mist amount regulating circuit and indicating circuit.
2. the ultrasonic humidifier that has overheated self-lock protection as claimed in claim 1, it is characterized in that described temperature control latching circuit comprises: PNP triode Q4, comparator U1A, thermistor RT, resistance R 8, resistance R 9, resistance R 10, diode D2 and diode D3; Resistance R 10 connects power supply, thermistor RT ground connection, and the node of resistance R 10 and thermistor RT connects first signal input part of comparator U1A and the emitter stage of triode Q4; Resistance R 9 connects power supply, resistance R 8 ground connection, and the node of resistance R 9 and resistance R 8 connects the secondary signal input of comparator U1A; The output of comparator U1A connects negative electrode, and the base stage of triode Q4 of negative electrode, the diode D3 of diode D2 respectively; The grounded collector of triode Q4; The anode of diode D2 provides control signal for mist amount regulating circuit, and the anode of diode D3 provides control signal for indicating circuit.
3. the ultrasonic humidifier that has overheated self-lock protection as claimed in claim 2, it is characterized in that described mist amount regulating circuit comprises NPN type triode Q3, power semifixed resistor R4, stepless mist amount regulating element SIP6, resistance R 5, resistance R 6, storage capacitor C4, resistance R 3 and coil L1, coil L2; Connect tongue tube after resistance R 5, power semifixed resistor R4, the stepless mist amount regulating element SIP6 series connection, resistance R 6 ground connection, the node of resistance R 5 and resistance R 6 connects diode D2 anode and triode Q3 base stage, triode Q3 colelctor electrode connects tongue tube, storage capacitor C4 positive pole connects triode Q3 emitter stage, minus earth, and storage capacitor C4 the two poles of the earth are wiring circle L1 and coil L2 respectively, provide bias voltage by coil L1 and coil L2 for oscillating circuit, resistance R 3 connects the anodal and ground of storage capacitor C4.
4. as claim 2 or the 3 described ultrasonic humidifiers that have overheated self-lock protection, it is characterized in that described indicating circuit comprises red and green color lamp D4, NPN type triode Q5 and resistance R 12, resistance R 13, resistance R 14; The red light positive pole of bi-colour light D4 connects power supply through resistance R 13, the green light positive pole of bi-colour light D4 connects tongue tube through resistance R 14, red light negative pole, green light minus earth, the base stage of triode Q5 connects the anode that tongue tube meets diode D3 simultaneously through resistance R 12, and the colelctor electrode of triode Q5 connects red light positive pole, grounded emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206134149U CN202002249U (en) | 2010-11-18 | 2010-11-18 | Ultrasonic humidifier with overheat self-locking protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206134149U CN202002249U (en) | 2010-11-18 | 2010-11-18 | Ultrasonic humidifier with overheat self-locking protection |
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| Publication Number | Publication Date |
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| CN202002249U true CN202002249U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206134149U Expired - Lifetime CN202002249U (en) | 2010-11-18 | 2010-11-18 | Ultrasonic humidifier with overheat self-locking protection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032646A (en) * | 2010-11-18 | 2011-04-27 | 珠海格力电器股份有限公司 | Ultrasonic humidifier with overheat self-locking protection |
| CN104283545A (en) * | 2013-07-04 | 2015-01-14 | 珠海格力电器股份有限公司 | Ultrasonic amplitude control circuit device and ultrasonic humidifier |
| CN105352091A (en) * | 2015-11-30 | 2016-02-24 | 珠海格力电器股份有限公司 | Humidifier and dry burning prevention method thereof |
| CN113054622A (en) * | 2021-03-31 | 2021-06-29 | 黄山学院 | High-precision wide-voltage-range over-temperature protection circuit for high-voltage gate driving chip |
-
2010
- 2010-11-18 CN CN2010206134149U patent/CN202002249U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032646A (en) * | 2010-11-18 | 2011-04-27 | 珠海格力电器股份有限公司 | Ultrasonic humidifier with overheat self-locking protection |
| CN104283545A (en) * | 2013-07-04 | 2015-01-14 | 珠海格力电器股份有限公司 | Ultrasonic amplitude control circuit device and ultrasonic humidifier |
| CN105352091A (en) * | 2015-11-30 | 2016-02-24 | 珠海格力电器股份有限公司 | Humidifier and dry burning prevention method thereof |
| CN113054622A (en) * | 2021-03-31 | 2021-06-29 | 黄山学院 | High-precision wide-voltage-range over-temperature protection circuit for high-voltage gate driving chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20130327 |
|
| RGAV | Abandon patent right to avoid regrant |