CN2616842Y - Step less regulating electric-ehatnig humidifier - Google Patents
Step less regulating electric-ehatnig humidifier Download PDFInfo
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- CN2616842Y CN2616842Y CN 03245445 CN03245445U CN2616842Y CN 2616842 Y CN2616842 Y CN 2616842Y CN 03245445 CN03245445 CN 03245445 CN 03245445 U CN03245445 U CN 03245445U CN 2616842 Y CN2616842 Y CN 2616842Y
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- type humidifier
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Abstract
The utility model provides a stepless regulation electrothermal type humidifier, which comprises a contactor, a humidity control equipment, a current switch, an electrothermal water tank and an A/D converter; wherein the humidity control equipment comprises a moisture probe, a comparison arithmetic device, a control counting assembly; the humidity control equipment uses the moisture probe to detect local humidity, and then the comparison arithmetic device reckons required humidifying amount according to the detected result, and the control counting assembly executes calculation according to the result of humidifying amount, and at last simulation and control signal is outputted corresponding with the humidifying amount; the A/D converter transforms the simulation and control signal to be relevant pulse signal in specific period; the pulse signal triggers the current breaker.
Description
Technical field
The utility model relates to a kind of electric heat type humidifier, particularly a kind of step-less adjustment electric heat type humidifier.
Background technology
Humidifier is the device that is used for for the room air humidification, at present in daily life and the humidifier that uses in the industrial circle of a great variety, for example Infrared Humidifier, ultrasonic humidifier, electrode humidifler, water pump centrifugal spray humidifier, the direct spraying humidification equipment of pressurization, electric heat type humidifier or the like.Wherein, it is big that electric heat type humidifier has the humidification amount, maintenance easily, and therefore low cost and other advantages is widely used in industrial humidification.
At present the electric heat type humidifier operation principle of generally using as shown in Figure 2, mainly by comprising that humidity controller 10, driving amplifier 8, contactor 5 and heater element 7 that moisture probe 1, comparison operation device 2 constitute finish its electric heating process.Specifically, in this kind electric heat type humidifier, detect current air humidity by moisture probe 1, through comparison operation device 2 this testing result and default definite value are compared, when being lower than default definite value, send a switching signal, this switching signal triggers A.C. contactor after the amplification of overdriven amplifier 8, make conducting electric current in the heater element 7, thereby make humidifier carry out humidification, humidifier carries out humidification and detects current air humidity when being higher than default definite value to moisture probe 1, send one by comparison operation device 2 and should be switching signal, make the A.C. contactor close current.Because the humidification control mode is aforesaid single-stage control mode in this kind humidifier, its control accuracy is lower, can only be ± 10% occasion use in control accuracy, and all inapplicable in the more accurate occasion of humidity requirement.
In addition, the A.C. contactor of controlling electric current that directly links to each other with heater element 7 in above-mentioned existing electric heat type humidifier is a kind of contact switch, the easy loss of the parts of contact switch contact site, particularly in dry season or dry throughout the year place, in the time of need carrying out at any time utilizing frequency higher under the situation of humidification, the easy loss of contact switch or aging, and, the switching overvoltage that can produce when contact switch frequently opens and closes causes harmful effect to the electrothermal tube of humidifier, thereby influences the Practical Performance of electric heat type humidifier.
Summary of the invention
In view of the above problems, the purpose of this utility model is to provide a kind of step-less adjustment electric heat type humidifier, in this step-less adjustment electric heat type humidifier, utilizes the control calculation element, with the automatic energising power of regulating the humidifier heater element of the cycle of regulation, in time, accurately adjust the humidification amount.
First scheme of the step-less adjustment electric heat type humidifier that the utility model proposes is, this step-less adjustment electric heat type humidifier comprises contactor, humidity conditioner, current switch, and electric heat water tank, this step-less adjustment electric heat type humidifier also comprises A/D converter, described humidity conditioner comprises moisture probe, the comparison operation device, the control calculation element, in described humidity conditioner, utilize moisture probe to detect on-the-spot humidity, calculate current required humidification amount by the comparison operation device according to this testing result, above-mentioned control calculation element calculates according to above-mentioned humidification amount result, and output and the corresponding analog control signal of this required humidification amount; Described A/D converter converts above-mentioned analog control signal to corresponding pulse signal with specific period; Described pulse signal triggers described current switch.
The alternative plan of the step-less adjustment electric heat type humidifier that the utility model proposes is, the pulsewidth of described pulse signal is directly proportional with the size of the analog control signal of described control calculation element output.
According to above-mentioned two schemes, the step-less adjustment electric heat type humidifier that the utility model proposes, utilize humidity controller can obtain and the corresponding analog control signal of current required humidification amount, this analog control signal converts pulse signal to through above-mentioned A/D converter, above-mentioned current switch is according to the conduction time of the pulse-width regulated electric heating humidification device heater element of this pulse signal, and then effectively controls the power in the electric heating humidification device heater element unit interval.Thus, can accurately control the humidification action of electric heating humidification device.
In addition, according to above-mentioned two schemes, the above-mentioned A/D converter of above-mentioned humidity controller is exported the conduction time that a pulse signal is regulated electric heating humidification device heater element with the specific cycle, therefore, can reach the purpose of step-less adjustment.
Third party's case of the step-less adjustment electric heat type humidifier that the utility model proposes is that the specific period of the A/D converter output pulse signal described in the above-mentioned the first string can be set as required.
According to above-mentioned third party's case, can set the cycle of A/D converter output pulse signal according to on-the-spot needs, thereby further guarantee the accuracy of humidification amount and improve practicality.
The cubic case of the step-less adjustment electric heat type humidifier that the utility model proposes is that described current switch is a noncontacting switch.
According to above-mentioned cubic case, the present invention has adopted the noncontacting switch of being made up of electronic switching device, utilize advantages such as contactless, the no switching overvoltage, life-span of noncontacting switch is long, effectively overcome owing to directly use contact switch to influence the problem of the Practical Performance reduction of electric heat type humidifier.
Description of drawings
Fig. 1 illustrates a kind of fundamental diagram that utilizes step-less adjustment electric heat type humidifier of the present utility model.
Fig. 2 illustrates the fundamental diagram of existing electric heat type humidifier.
The specific embodiment
Below, 1 a kind of embodiment that utilizes step-less adjustment electric heat type humidifier of the present utility model is described in conjunction with the accompanying drawings.
As shown in Figure 1, the heating work of this electric heat type humidifier is mainly by comprising that humidity controller 9, A/D converter 4, A.C. contactor 5, noncontacting switch 6 and heater element 7 that moisture probe 1, comparison operation device 2, PID calculator 3 are formed finish.
Suppose to set A/D converter and export a pulse signal per 5 seconds.Then this electric heat type humidifier is in work, at first, detects on-the-spot humidity by the moisture probe 1 of humidity controller 9, and comparison operation device 2 compares this testing result and default definite value and calculates current required humidification amount M, and is sent to PID calculator 3.
This PID calculator 3 is received and is calculated after the above-mentioned required humidification amount M, and the output analog control signal, and A/D converter 4 was converted to corresponding pulse signal with this analog control signal in per 5 seconds, and this pulse signal is sent to the trigger end of noncontacting switch 6.
Noncontacting switch 6 is accepted after the above-mentioned pulse signal, according to the conduction time of the pulse-width regulated electric heating humidification device heater element of this pulse signal, thereby changes power in the heater element unit interval, to reach the effect that changes the humidification amount.
As mentioned above, corresponding pulse signal of analog control signal that detects with above-mentioned humidity controller 9 of above-mentioned A/D converter 4 outputs in per 5 seconds makes noncontacting switch 6 adjust the conduction time of an electric heating humidification device heater element in per 5 seconds.Therefore, can in time, accurately adjust the humidification amount.
Claims (4)
1. a step-less adjustment electric heat type humidifier comprises contactor, humidity conditioner, current switch and electric heat water tank, it is characterized in that:
This step-less adjustment electric heat type humidifier also comprises A/D converter;
Described humidity conditioner comprises moisture probe, comparison operation device, control calculation element;
In described humidity conditioner, utilize moisture probe to detect on-the-spot humidity, calculate current required humidification amount by the comparison operation device according to this testing result, above-mentioned control calculation element calculates according to above-mentioned humidification amount result, and output and the corresponding analog control signal of this required humidification amount;
Described A/D converter converts above-mentioned analog control signal to corresponding pulse signal with specific period;
Described pulse signal triggers described current switch.
2. step-less adjustment electric heat type humidifier according to claim 1 is characterized in that: the pulsewidth of described pulse signal is directly proportional with the size of the analog control signal of described control calculation element output.
3. step-less adjustment electric heat type humidifier according to claim 1 and 2 is characterized in that: the specific period of described A/D converter output pulse signal can be set as required.
4. step-less adjustment electric heat type humidifier according to claim 1 is characterized in that: described current switch is a noncontacting switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03245445 CN2616842Y (en) | 2003-04-15 | 2003-04-15 | Step less regulating electric-ehatnig humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03245445 CN2616842Y (en) | 2003-04-15 | 2003-04-15 | Step less regulating electric-ehatnig humidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2616842Y true CN2616842Y (en) | 2004-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03245445 Expired - Fee Related CN2616842Y (en) | 2003-04-15 | 2003-04-15 | Step less regulating electric-ehatnig humidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2616842Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226562A (en) * | 2011-05-25 | 2011-10-26 | 朱昭 | Automatic air humidity control device |
| CN101749836B (en) * | 2008-12-20 | 2013-07-03 | 珠海格力电器股份有限公司 | Humidifier control system and humidifier using control system |
| CN105509211A (en) * | 2016-01-22 | 2016-04-20 | 珠海格力电器股份有限公司 | Infrared humidifier |
| CN106440155A (en) * | 2016-12-02 | 2017-02-22 | 东莞市丰远电器有限公司 | Function ultra-high pressure micro fog humidifier |
-
2003
- 2003-04-15 CN CN 03245445 patent/CN2616842Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749836B (en) * | 2008-12-20 | 2013-07-03 | 珠海格力电器股份有限公司 | Humidifier control system and humidifier using control system |
| CN102226562A (en) * | 2011-05-25 | 2011-10-26 | 朱昭 | Automatic air humidity control device |
| CN105509211A (en) * | 2016-01-22 | 2016-04-20 | 珠海格力电器股份有限公司 | Infrared humidifier |
| CN105509211B (en) * | 2016-01-22 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of Infrared Humidifier |
| CN106440155A (en) * | 2016-12-02 | 2017-02-22 | 东莞市丰远电器有限公司 | Function ultra-high pressure micro fog humidifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |