CN111457518A - Humidifier - Google Patents
Humidifier Download PDFInfo
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- CN111457518A CN111457518A CN202010239229.6A CN202010239229A CN111457518A CN 111457518 A CN111457518 A CN 111457518A CN 202010239229 A CN202010239229 A CN 202010239229A CN 111457518 A CN111457518 A CN 111457518A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000002184 metal Substances 0.000 claims abstract description 89
- 239000004020 conductor Substances 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 51
- 238000009434 installation Methods 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000009835 boiling Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 101150114468 TUB1 gene Proteins 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/08—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
- F24F6/10—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0008—Control or safety arrangements for air-humidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/60—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means
- G01F23/603—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means using electromechanically actuated indicating means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Humidification (AREA)
Abstract
The invention discloses a humidifier, which drives a metal conductor to move up and down through a floating device, the metal conductor is contacted with a detection contact when moving up to a set height, and when a controller detects that the contact duration time of the detection contact and the metal conductor is greater than a set time threshold, a barrel body is controlled to drain water outwards for a first set time; therefore, the humidifier improves the reliability of water level detection, avoids misjudgment and ensures the stable and reliable operation of the humidifier.
Description
Technical Field
The invention relates to the technical field of humidifying equipment, in particular to a humidifier.
Background
In some large network server base stations, the server requires constant temperature and humidity for the environment, so the air conditioner in the base station needs to be equipped with a humidifier. The humidifier heats water to boil through the electrodes to form water vapor, and further achieves the humidification effect.
The monitoring of the water level in the humidifier is of great importance, and if the water level is too high, water overflows, and the humidifier can be damaged. Most of the existing water level monitoring adopts a water level sensor, but the water level sensor is high in cost and easy to damage, the high water level detection reliability is poor, and the operation stability of the humidifier is reduced.
Disclosure of Invention
The invention provides a humidifier, which solves the problem of poor reliability of water level detection in the prior art.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a humidifier, comprising:
a tub having an accommodation space;
a floating device located in the accommodating space, the floating device having a metal conductor thereon;
the water level detection device comprises a detection contact and a controller;
when the metal conductor moves upwards to a set height, the metal conductor is contacted with the detection contact, the controller detects whether the contact duration time of the detection contact and the metal conductor is greater than a set time threshold value, and if yes, the barrel body is controlled to drain water outwards for first set time.
Further, when the controller detects that the time duration that the detection contact is in contact with the metal conductor exceeds a set time threshold value exceeds a set time, controlling the barrel body to drain water for a second set time and sending an alarm; clearing the number n; wherein the second set time is greater than the first set time.
Still further, the water level detection device comprises the controller, a direct current power supply, a current limiting resistor and the detection contact; the detection contact comprises two metal contacts arranged at intervals; one metal contact is connected with a direct current power supply, and the other metal contact is connected with a detection pin of the controller through a current-limiting resistor; the controller detects whether the duration of the simultaneous contact of the two metal contacts and the metal conductor is greater than a set time threshold value, and if so, the barrel body is controlled to drain water outwards for a first set time.
Furthermore, when the controller detects that the time duration that the two metal contacts are simultaneously contacted with the metal conductor exceeds the set time threshold value by the number n of times, the controller controls the barrel body to drain water outwards for a second set time and sends out an alarm, and the number n of times is reset; wherein the second set time is greater than the first set time.
Furthermore, a plurality of electrodes of the humidifier are vertically arranged in the accommodating space; each electrode on all the cover be equipped with the spring, floating installation is fixed with every spring.
Furthermore, the bottom end of each electrode is provided with a stopping part for stopping the spring sleeved on the electrode from falling off.
Still further, the floating device is sleeved on each spring.
Furthermore, the central axis of the floating device is superposed with the central axis of the barrel body; the two metal contacts are fixed at the center of the top end face of the barrel body.
Still further, the floating device comprises a horizontal part and a vertical part which are perpendicular to each other, and the bottom end surface of the vertical part is fixed with the center of the horizontal part; the horizontal part is provided with a plurality of through holes matched with a plurality of springs, and the springs penetrate through the corresponding through holes and are fixed with the corresponding through holes; the metal conductor is fixed on the top end surface of the vertical part.
Furthermore, the plurality of electrodes are uniformly distributed in the circumferential direction around the central axis of the barrel body.
Compared with the prior art, the invention has the advantages and positive effects that: according to the humidifier, the metal conductor is driven to move up and down through the floating device, the metal conductor is contacted with the detection contact when moving upwards to a set height, and when the controller detects that the contact duration time of the detection contact and the metal conductor is greater than a set time threshold value, the barrel body is controlled to drain water outwards for a first set time; therefore, the humidifier improves the reliability of water level detection, avoids misjudgment and ensures the stable and reliable operation of the humidifier.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a humidifier according to the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic view of the floating assembly of FIG. 1;
fig. 5 is a schematic view of a water level detecting apparatus of a humidifier according to the present invention.
Reference numerals:
1. a barrel body; 2. an electrode; 3. a spring; 4. a floating device; 4-1, horizontal part; 4-2, a vertical portion; 5. a metal conductor; 6. a metal contact; 7. a water discharge electromagnetic valve; 8. a water inlet box; 9. water inlet solenoid valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "connecting," and "connected" in the description of the present invention are used in a generic sense, and for example, they can be fixed, detachable, or integrally connected, mechanically or electrically, directly or indirectly connected through an intermediate medium, or connected through the inside of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment provides a humidifier, which mainly comprises a barrel body 1, a plurality of electrodes 2, a floating device 4, a water level detection device and the like, and is shown in fig. 1 to 5.
The barrel body 1 has an accommodation space for accommodating the electrode 2, the floating device 4, water, etc.; the barrel body 1 is provided with a water inlet and a water outlet, the water inlet is connected with a water inlet pipe, and a water inlet box 8 and a water inlet electromagnetic valve 9 are arranged on the water inlet pipe; the water outlet is connected with a water outlet pipe, and a water outlet electromagnetic valve 7 is arranged on the water outlet pipe.
A plurality of electrodes 2 are vertically arranged in the accommodating space of the barrel body 1, and the electrodes 2 heat water in the accommodating space. When the humidifier works, the water inlet electromagnetic valve 9 is opened, water flows into the barrel body 1 through the water inlet box 8, the water level in the barrel body 1 rises, and when the water is contacted with the electrode 2, the electrode 2 heats the water to a boiling state, so that steam is generated. When water needs to be drained, the water drainage electromagnetic valve 7 is opened, and the barrel body 1 drains water outwards.
The floating device 4 is positioned in the accommodating space, and the floating device 4 is provided with a metal conductor 5; the floating device 4 floats up and down along with the water level in the accommodating space, and then drives the metal conductor 5 to move up and down. In the present embodiment, the metal conductor 5 is located on the top end face of the floating device 4.
The water level detection device mainly comprises a detection contact and a controller; the floating device 4 drives the metal conductor 5 to move up and down, when the metal conductor 5 moves upwards to a set height, the metal conductor 5 is contacted with the detection contact, the controller detects whether the contact duration time of the detection contact and the metal conductor 5 is greater than a set time threshold value, and if yes, the barrel body 1 is controlled to drain water outwards for a first set time.
Because the metal conductor 5 may be temporarily contacted with the detection contact due to water boiling, in order to avoid misjudgment and improve the accuracy and reliability of detection, the duration of contact between the detection contact and the metal conductor 5 needs to be detected, when the duration is greater than a set time threshold (such as 5 seconds), it is indicated that the water level in the barrel body 1 reaches a high water level threshold, it is determined that the water level in the barrel body 1 is the high water level, the controller controls the drainage electromagnetic valve 7 to be opened, and the barrel body 1 drains water outwards for a first set time. In order to avoid the influence of frequent and repeated water drainage on the normal operation of the humidifier, the stability of the humidifier is improved, and therefore, enough water drainage time needs to be given, namely, the first set time of water drainage is needed at the moment, so that the water level in the barrel body 1 is low enough. In the present embodiment, the first set time is 3 seconds. Along with the decline of the water level in the staving 1, the floating installation 4 descends, drives metallic conductor 5 and descends, and the metallic conductor 5 breaks off with the contact of detecting the contact.
According to the humidifier, the metal conductor 5 is driven to move up and down through the floating device 4, when the metal conductor 5 moves upwards to a set height, the metal conductor is in contact with the detection contact, and when the controller detects that the duration of the contact between the detection contact and the metal conductor is longer than a set time threshold, the barrel body is controlled to drain water outwards for a first set time; therefore, the humidifier of the embodiment improves the reliability of water level detection, avoids misjudgment and ensures the stable and reliable operation of the humidifier.
As a preferable design of this embodiment, when the controller detects that the duration of the contact between the detection contact and the metal conductor is longer than the set time threshold, the number n is increased by 1; when the controller detects that the time n that the duration time that the detection contact is contacted with the metal conductor is longer than the set time threshold exceeds the set time, controlling the barrel body to drain water for a second set time (such as 2 minutes) and sending an alarm; clearing the number n; wherein the second set time is greater than the first set time. When the number n exceeds the set number, it is indicated that the first set time for draining does not make the water level in the tub 1 drop low enough, the draining is too frequent, and in order to avoid repeated draining, the draining duration needs to be increased. Because there may be drainage trouble, need send the warning simultaneously this moment, remind the user to overhaul.
In this embodiment, the water level detection device mainly includes a controller, a dc power VCC, a current limiting resistor R, a detection contact, and the like; the detection contacts comprise two metal contacts 6 arranged at intervals, as shown in fig. 5; one metal contact is connected with a direct current power supply VCC, and the other metal contact is connected with a detection pin of a controller through a current limiting resistor R; when the metal conductor 5 moves up to a set height, the metal conductor 5 is in contact with two metal contacts simultaneously. The two metal contacts 6 are horizontally arranged at intervals, and the width (when the metal conductor is a square body) or the diameter (when the metal conductor is a cylinder) of the metal conductor 5 is larger than the distance between the two metal contacts 6, so that the metal conductor 5 can be in contact with the two metal contacts at the same time. When the metal conductor 5 is not in contact with the two metal contacts, the detection pin of the controller is at a low level; when metal conductor 5 and two metal contact simultaneously, metal conductor 5 intercommunication two metal contact, the circuit between the detection pin of DC power supply VCC and controller switches on, and the detection pin of controller receives high level signal, and controller control drainage solenoid valve 7 is opened, and staving 1 outwards drains water, avoids the water level too high. The water level detection device of the above design can simply and effectively detect the high water level in the barrel body 1, and is simple in structure, low in cost and convenient to realize.
The controller detects whether the duration of the simultaneous contact between the two metal contacts 6 and the metal conductor 5 (i.e. the duration of the high level signal received by the detection pin of the controller) is greater than a set time threshold (for example, 5 seconds), and if so, the controller controls the barrel body to drain water for a first set time. If the metal conductor 5 is only contacted with one of the metal contacts, the detection pin of the controller is at a low level; the detection pin of the controller can receive a high level only when the metal conductor 5 is in contact with both metal contacts 6 simultaneously.
Because the metal conductor 5 may be in contact with only one of the metal contacts due to water boiling, in order to avoid misjudgment and improve the accuracy and reliability of detection, the duration of simultaneous contact between the two metal contacts and the metal conductor 5 needs to be detected, when the duration is greater than a set time threshold (such as 5 seconds), it is indicated that the water level in the barrel body 1 reaches a high water level threshold, the water level in the barrel body 1 is determined to be a high water level, the controller controls the drainage electromagnetic valve 7 to be opened, and the barrel body 1 drains water outwards for a first set time.
As a preferable design of this embodiment, when the controller detects that the duration of the simultaneous contact between the two metal contacts and the metal conductor is greater than the set time threshold, the number n is increased by 1; when the controller detects that the time duration that two metal contacts are simultaneously contacted with the metal conductor exceeds the set time threshold value, the controller controls the barrel body to drain water for a second set time (such as 2 minutes) and sends out an alarm, and the time n is reset; wherein the second set time is greater than the first set time. When the number n exceeds the set number, it is indicated that the first set time for draining does not make the water level in the tub 1 drop low enough, the draining is too frequent, and in order to avoid repeated draining, the draining duration needs to be increased. Because there may be drainage trouble, need send the warning simultaneously this moment, remind the user to overhaul.
A plurality of electrodes 2 of the humidifier are vertically arranged in the accommodating space; each electrode 2 is sleeved with a spring 3, and a floating device 4 is fixed with each spring 3. The electrode 2 heats water to a boiling state, and when the water boils, the spring 3 sleeved on the electrode 2 is driven to vibrate, and the spring 3 rubs with the surface of the electrode 2, so that scale on the surface of the electrode 2 is removed. The floating device 4 floats up and down along with the water level in the accommodating space, so that the spring 3 is driven to move up and down along the electrode 2, the friction between the spring 3 and the surface of the electrode 2 is increased, water scales on the surface of the electrode 2 are removed, and the descaling effect is improved. The floating device 4 is made of high-temperature-resistant and low-density materials, avoids damage caused by overhigh water temperature and has larger buoyancy.
Therefore, according to the humidifier of the embodiment, the spring 3 is sleeved on the vertically arranged electrode 2, and the spring 3 is driven to vibrate when water is boiled, so that scale on the surface of the electrode 2 is removed by friction with the surface of the electrode 2, the scale on the surface of the electrode is automatically removed, simplicity and convenience are realized, the scale removal cost is low, the maintenance cost is reduced, and the reliability of a product is improved; because no chemical is used, the humidifier has no pollution to the environment, is safe and reliable, and prolongs the service life of the humidifier; the structure is simple, and the manufacturing cost is low; therefore, the humidifier of the embodiment avoids the difficulty in disassembly and assembly and high descaling cost caused by mechanical descaling in the prior art, and also avoids the corrosion of chemical descaling on the electrode and the pollution to the environment.
In this embodiment, since the spring 3 is sleeved on the electrode 2, in order to prevent the spring 3 from falling off from the bottom end of the electrode, the bottom end of each electrode 2 is provided with a stopping portion for stopping the spring sleeved on the electrode from falling off from the bottom end of the electrode. Due to the action of the stopping part, the spring 3 is prevented from falling off from the bottom end of the electrode 2, and the descaling stable operation is ensured.
In order to improve the connection stability of the floating device 4 and the spring 3 and facilitate the driving of the spring 3 to move up and down along the electrode 2, the floating device 4 is sleeved on each spring 3 and is fixedly connected with each spring 3.
The central axis of the floating device 4 coincides with the central axis of the barrel body 1, so that the influence of bubbles generated by water boiling on the humidification process is reduced, and the reliability of the humidification process is improved. In this embodiment, the two metal contacts 6 are fixed at the center of the top end surface of the barrel body 1, so that the influence of bubbles generated by water boiling on the humidification process is reduced, and the reliability of the humidification process is improved.
In the present embodiment, the floating device 4 includes a horizontal portion 4-1 and a vertical portion 4-2, the horizontal portion 4-1 and the vertical portion 4-2 are perpendicular to each other, and a bottom end surface of the vertical portion 4-2 is fixed to a center of the horizontal portion 4-1, as shown in fig. 4; the horizontal part 4-1 is provided with a plurality of through holes matched with the plurality of springs 3, the springs 3 are sleeved on the electrodes 2 and penetrate through the corresponding through holes, and the springs 3 are fixed with the corresponding through holes; a metal conductor 5 is fixed to the tip end surface of the vertical portion 4-2. Through the foretell floating installation 4 of design, can be with spring 3 stable connection, be convenient for drive spring 3 along electrode 2 up-and-down motion, improve the scale removal effect, can drive metal conductor 5 upward movement again and set for the height and contact with the metal contact, realize water level monitoring with metal conductor 5 stable connection.
In this embodiment, a plurality of electrodes 2 are evenly arranged around the central axis circumference of the barrel body 1, so that water in the barrel body 1 can be evenly heated, and the humidification uniformity is improved.
In this embodiment, three electrodes 2 are arranged, the three electrodes 2 are uniformly arranged in the circumferential direction around the central axis of the barrel body 1, so that the cost increase caused by too much number of the electrodes is avoided, the humidification speed is too slow caused by too little number of the electrodes is also avoided, the horizontal part 4-1 of the floating device 4 is triangular, three through holes are respectively formed in three corners, the spring 3 is sleeved on the electrode 2 and penetrates through the corresponding through hole, and the three springs and the three through holes are correspondingly fixed.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A humidifier, comprising:
a tub having an accommodation space;
a floating device located in the accommodating space, the floating device having a metal conductor thereon;
the water level detection device comprises a detection contact and a controller;
when the metal conductor moves upwards to a set height, the metal conductor is contacted with the detection contact, the controller detects whether the contact duration time of the detection contact and the metal conductor is greater than a set time threshold value, and if yes, the barrel body is controlled to drain water outwards for first set time.
2. The humidifier according to claim 1, wherein when the controller detects that the number n of times that the duration time of the contact of the detection contact with the metal conductor is longer than the set time threshold exceeds the set number of times, the controller controls the tub to drain water outwards for a second set time and sends out an alarm; clearing the number n; wherein the second set time is greater than the first set time.
3. The humidifier of claim 1, wherein the water level detection device comprises the controller, a direct current power supply, a current limiting resistor, and the detection contact;
the detection contact comprises two metal contacts arranged at intervals; one metal contact is connected with a direct current power supply, and the other metal contact is connected with a detection pin of the controller through a current-limiting resistor;
the controller detects whether the duration of the simultaneous contact of the two metal contacts and the metal conductor is greater than a set time threshold value, and if so, the barrel body is controlled to drain water outwards for a first set time.
4. The humidifier according to claim 3, wherein when the controller detects that the number n of times that the duration time that two metal contacts are simultaneously contacted with the metal conductor is greater than the set time threshold exceeds the set number of times, the controller controls the tub body to drain water for a second set time and sends out an alarm, and the number n is cleared; wherein the second set time is greater than the first set time.
5. The humidifier of claim 1, wherein a plurality of electrodes of the humidifier are vertically arranged in the accommodating space; each electrode on all the cover be equipped with the spring, floating installation is fixed with every spring.
6. The humidifier of claim 5, wherein the bottom end of each electrode has a stop portion for stopping the spring sleeved on the electrode from falling off.
7. The humidifier of claim 5, wherein the float means is sleeved over each spring.
8. The humidifier of claim 3, wherein a central axis of the float device coincides with a central axis of the tub; the two metal contacts are fixed at the center of the top end face of the barrel body.
9. The humidifier according to claim 5, wherein the floating device comprises a horizontal part and a vertical part which are perpendicular to each other, and a bottom end surface of the vertical part is fixed with a center of the horizontal part;
the horizontal part is provided with a plurality of through holes matched with a plurality of springs, and the springs penetrate through the corresponding through holes and are fixed with the corresponding through holes;
the metal conductor is fixed on the top end surface of the vertical part.
10. The humidifier of any one of claims 1-9, wherein the plurality of electrodes are uniformly circumferentially disposed about the central axis of the tub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010239229.6A CN111457518B (en) | 2020-03-30 | 2020-03-30 | Humidifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010239229.6A CN111457518B (en) | 2020-03-30 | 2020-03-30 | Humidifier |
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| CN111457518A true CN111457518A (en) | 2020-07-28 |
| CN111457518B CN111457518B (en) | 2022-11-18 |
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| CN202010239229.6A Active CN111457518B (en) | 2020-03-30 | 2020-03-30 | Humidifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556053A (en) * | 2021-01-05 | 2021-03-26 | 成都迷画君科技有限公司 | Electrode humidifier capable of keeping constant efficiency and achieving rapid humidification |
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| CN111457518B (en) | 2022-11-18 |
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