CN201535557U - Touch type humidifier water level control switch - Google Patents
Touch type humidifier water level control switch Download PDFInfo
- Publication number
- CN201535557U CN201535557U CN2009202386985U CN200920238698U CN201535557U CN 201535557 U CN201535557 U CN 201535557U CN 2009202386985 U CN2009202386985 U CN 2009202386985U CN 200920238698 U CN200920238698 U CN 200920238698U CN 201535557 U CN201535557 U CN 201535557U
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- Prior art keywords
- water level
- touch
- triode
- control switch
- switch
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Abstract
The utility model relates to a touch type humidifier water level control switch, which comprises a switch main body. Because the switch main body is provided with a touch IC control module used for judging whether water level is over high or over low, during usage, change of capacitance at the position of water level height required to be controlled is detected and sensed through the touch IC control module so as to judge whether the water level is over high or over low, and simultaneously, the touch IC control module sends a corresponding control signal to drive a triode Q1 to be switched on or off, thereby realizing action of controlling execution. Therefore, the total humidifier water level control switch is increased. In addition, compared with the existing water level control switch, the touch type humidifier water level control switch is simple in circuit structure, low in cost and reliable and convenient in mounting.
Description
[technical field]
The utility model relates to a kind of touch humidifier level control switch for water.
[background technology]
Have the various water level humidifier gauge taps that are used to control water level on the existing market, its most water level humidifier gauge tap all is that the magnetic floating body that adopts tongue tube, is sheathed on the reed pipe periphery constitutes.During use, magnetic floating body floats over the water surface of water body, by magnetic floating body near or away from the contact on the tongue tube, make the closing of contact or disconnection, realize the judgement of water level.But during the charged inversion of humidifier, make described magnetic floating body reverse easily, cause the tongue tube misoperation; Simultaneously, also be subjected to the influence of water quality condition, float is dipped in the water for a long time, and the change that is subjected to incrustation scale or weight causes malfunction to declare work; In addition, also have cost height and production and processing fault rate height.The level control switch for water that a kind of equivalent capacity discharges and recharges appears subsequently, though this level control switch for water can reach and avoid reversing that the phenomenon of erroneous judgement takes place, cost is low,, this circuit structure complexity, sensitivity is low and the assembling difficulty.
[utility model content]
Technical purpose of the present utility model is to provide a kind of touch humidifier level control switch for water that sensitivity, circuit structure are simple, cost is low that improves inductive switching for the problem that solves above-mentioned prior art existence.
In order to realize above-mentioned technical problem, the utility model provides a kind of touch humidifier level control switch for water, and it comprises switch main body, and switch main body is provided with the touch IC control module with touch function.
According to above-mentioned major technique feature, described touch IC control module comprises chip U1, is connected to the pin 4 of chip U1 and capacitor C 1, the C2 on the pin 6; Be connected in parallel in the voltage-stabiliser tube D1 at capacitor C 1 two ends; Be connected in the pin 1 of chip U1 and the triode Q1 between the pin 3; Be connected in the resistance R 1 on the emitter stage of triode Q1, be connected in the resistance R 2 on the base stage of triode Q1, the colelctor electrode of described triode Q1 directly connects power supply; Pin 3 common grounds of resistance R 1 one ends and chip U1 are connected in the water level detecting point on the pin 5 of chip U1 and are connected in the emitter terminal of triode and the humidifier power panel between the resistance R 1.
According to above-mentioned major technique feature, described triode Q1 can be for being used to control the work of humidifier oscillating circuit or the equivalent switch that stops.
Useful technique effect of the present utility model: be provided with touch IC control module because of switch main body with touch function, during use, detect the minor variations that induction is arranged at the capacitance of height of water level place water level detecting point by touching the IC control module, realize judging that water level is too high or too low, simultaneously, this touch IC control module is sent control signal corresponding, orders about the conducting of triode Q1 or ends the action that realization control is carried out.Therefore, reach the sensitivity that improves whole humidifier level control switch for water and increasing the service life.In addition, compare mutually with existing level control switch for water, the utility model also has circuit structure, and simply to reach cost low.
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
[description of drawings]
Fig. 1 is the circuit theory schematic diagram that touches the IC control module in the utility model.
[specific embodiment]
Please refer to shown in Figure 1ly, illustrating below in conjunction with concrete a kind of embodiment provides a kind of touch humidifier level control switch for water in the utility model, and it comprises switch main body and is arranged at touch IC control module on the switch main body.
This touch IC control module is used to mainly judge that water level is too high or too low.Described touch IC control module comprises chip U1, is connected to the pin 4 of chip U1 and capacitor C 1, the C2 on the pin 6; Be connected in parallel in the voltage-stabiliser tube D1 at capacitor C 1 two ends; Be connected in the pin 1 of chip U1 and the triode Q1 between the pin 3; Be connected in the resistance R 1 on the emitter stage of triode Q1, be connected in the resistance R 2 on the base stage of triode Q1, the colelctor electrode of described triode Q1 directly connects power supply; Pin 3 common grounds of resistance R 1 one ends and chip U1 are connected in the water level detecting point on the pin 5 of chip U1 and are connected in the emitter terminal of triode and the humidifier power panel between the resistance R 1.In addition, described triode Q1 can replace the reed switch contact switch.Described water level detecting point (touchkey) is arranged at the liquid level top of controlled liquid, but isolates with controlled liquid.
Sensing tested water level when the water level monitoring point crosses when low or too high, can make the capacitance at water level monitoring point place produce minor variations, touch the IC control module and can judge the water level height by this minor variations, after described chip U1 received low or too high signal, drive triode Q1, make it be in conducting state or cut-off state, make whole touch humidifier level control switch for water be in on-state or off-state, reach and judge the too high or too low state of water level, use the signal of extremely high frequency to measure because of touching the IC control module, thereby can reach high sensitivity.In addition, compare mutually with circuit in the existing water level humidifier gauge tap, the utility model also has circuit structure, and simply to reach cost low.
Described touch IC control module, can be under the condition of isolating fully with tested water, the induction SEA LEVEL VARIATION, by touching the detection of IC control module, can sensitive judge the variation of " electric capacity " amount that is arranged at the height of water level place, thereby judge whether water level is low excessively, and send corresponding signal, can drive triode Q1 or relay etc., realize the control execution.
Test inductive head in the described water level detecting point (touchkey) only needs minimum metal bar of 1 line and sectional area etc. to realize.External capacitor C2 can regulate induction sensitivity according to different type of machines.This technical scheme is suitable for processing in enormous quantities, and cost is low, uniformity is high.
In sum, because of being provided with, switch main body is used to the touch IC control module of judging that water level is too high or too low, during use, detect the variation size that induction is arranged at the capacitance at height of water level place by touching the IC control module, realize judging that water level is too high or too low, simultaneously, this touch IC control module is sent control signal corresponding, order about the conducting of triode Q1 or end the action that realization control is carried out.Therefore, reach the purpose of the sensitivity that improves whole touch humidifier level control switch for water.In addition, compare mutually with existing level control switch for water, the utility model has also that circuit structure is simple, cost is low, produces the high advantage of reliability in batches.
Claims (3)
1. touch humidifier level control switch for water, it comprises switch main body, it is characterized in that: switch main body is provided with the touch IC control module with touch function.
2. touch humidifier level control switch for water as claimed in claim 1 is characterized in that: described touch IC control module comprises chip U1, is connected to the pin 4 of chip U1 and capacitor C 1, the C2 on the pin 6; Be connected in parallel in the voltage-stabiliser tube D1 at capacitor C 1 two ends; Be connected in the pin 1 of chip U1 and the triode Q1 between the pin 3; Be connected in the resistance R 1 on the emitter stage of triode Q1, be connected in the resistance R 2 on the base stage of triode Q1, the colelctor electrode of described triode Q1 directly connects power supply; Pin 3 common grounds of resistance R 1 one ends and chip U1 are connected in the water level detecting point on the pin 5 of chip U1 and are connected in the emitter terminal of triode and the humidifier power panel between the resistance R 1.
3. touch humidifier level control switch for water as claimed in claim 2 is characterized in that: described triode Q1 can be for being used to control the work of humidifier oscillating circuit or the equivalent switch that stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202386985U CN201535557U (en) | 2009-11-02 | 2009-11-02 | Touch type humidifier water level control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202386985U CN201535557U (en) | 2009-11-02 | 2009-11-02 | Touch type humidifier water level control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535557U true CN201535557U (en) | 2010-07-28 |
Family
ID=42535336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202386985U Expired - Fee Related CN201535557U (en) | 2009-11-02 | 2009-11-02 | Touch type humidifier water level control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954554A (en) * | 2011-08-22 | 2013-03-06 | 北京亚都室内环保科技股份有限公司 | Device and method for protecting humidifier |
-
2009
- 2009-11-02 CN CN2009202386985U patent/CN201535557U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954554A (en) * | 2011-08-22 | 2013-03-06 | 北京亚都室内环保科技股份有限公司 | Device and method for protecting humidifier |
| CN102954554B (en) * | 2011-08-22 | 2015-02-25 | 北京亚都环保科技有限公司 | Device and method for protecting humidifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20181102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |