CN211526627U - Water tank bottom heating structure for humidifier - Google Patents
Water tank bottom heating structure for humidifier Download PDFInfo
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- CN211526627U CN211526627U CN202020187296.3U CN202020187296U CN211526627U CN 211526627 U CN211526627 U CN 211526627U CN 202020187296 U CN202020187296 U CN 202020187296U CN 211526627 U CN211526627 U CN 211526627U
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Abstract
The utility model discloses a water tank bottom heating structure for a humidifier, which comprises a water tank, wherein a shell is sleeved outside the water tank, a heating device is arranged between the outer wall of the water tank and the shell, the heating device is provided with a heating part, the bottom of the water tank is provided with a metal sheet for heating the metal sheet by the heating part, and a heat-resistant medium is filled between the outer wall of the water tank and the shell for wrapping the heating device by the heat-resistant medium; the metal sheet type humidifier is used for heating a medium in the water tank through the metal sheet, and the problem that the heating device is damaged possibly exists in the actual application process of optimizing the water heating of the naturally-evaporating humidifier is expected.
Description
Technical Field
The utility model relates to a humidifier part, concretely relates to water tank bottom heating structure for humidifier.
Background
The humidifier is a device for increasing indoor humidity, is mainly used for increasing the indoor air humidity, is commonly used in rooms or small offices, enables people to live or work in an air environment with proper humidity, and avoids various body discomfort caused by air drying.
For a naturally evaporating humidifier, the efficiency of natural evaporation of water is easily affected by environmental factors, and the affecting factors mainly include atmospheric temperature, humidity, wind speed and evaporation area; the water temperature is proportional to the amount of evaporation, i.e. the higher the water temperature for evaporation, the greater the amount of evaporation on the evaporator. And the increase of the water temperature is simple and effective for increasing the humidification quantity of the evaporation disc of the humidifier.
In the process of heating water in a naturally evaporating humidifier in practical application, if a device which is the same as a heating device applied in other environments is adopted, on one hand, because water media which can exist in a use environment can be evaporated and reduced, if no medium is used in the humidifier to dissipate heat of the heating device, damage caused by overhigh temperature of the heating device can be caused; on the other hand, because of the humidification effect, the ambient humidity of the device may be high, and for the heating device, there is a risk of short circuit damage to a certain extent, so how to optimize the way of raising the water temperature of the humidifier and how to ensure the safety of the device in use is worth studying.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water tank bottom heating structure for humidifier to expect to optimize the humidifier water heating of natural evaporation type at the in-service use in-process, probably have the problem that heating device damaged the risk.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a heating structure at the bottom of a water tank for a humidifier comprises the water tank, a shell is sleeved outside the water tank, a heating device is arranged between the outer wall of the water tank and the shell, the heating device is provided with a heating part, a metal sheet is arranged at the bottom of the water tank and used for heating the metal sheet by the heating part, and a heat-resistant medium is filled between the outer wall of the water tank and the shell and used for wrapping the heating device by the heat-resistant medium; for heating the medium in the tank by means of the metal sheet.
Preferably, a liquid level transmitter is arranged in the water tank and is in signal connection with the heating device control unit.
The water tank is provided with a temperature sensor which is in signal connection with the heating device control unit and is used for controlling the heating device to start/stop by the heating device control unit.
Preferably, the metal sheet includes a heating portion and a heat conducting portion, the heating portion is located at the bottom of the water tank and is used for being contacted with water in the inner cavity of the water tank by the heating portion, the head end of the heat conducting portion is fixed at the lower end of the heating portion, and the tail end of the heat conducting portion is inserted into the heating device and is used for heating the heat conducting portion by the heating portion and transmitting heat energy to the heating portion by the heat conducting portion.
The metal sheet is made of copper or aluminum, the heating part is an electric heating sheet, and the heating part is in contact with the heat conducting part of the metal sheet.
The further technical scheme is that the metal sheet is made of iron, the heating part is an electromagnetic coil, and the electromagnetic coil is sleeved on the heating part.
Compared with the prior art, the beneficial effects of the utility model are one of following at least:
the utility model discloses a set up heating device between the shell at the water tank to through filling heat-resisting medium, make heating device have certain leakproofness, transmit heat energy to the sheetmetal through the portion that generates heat, carry out heat conduction and add the water in the hot water tank by hot sheetmetal.
The utility model discloses a liquid level signal in the liquid level changer collection water tank, through the temperature signal in the temperature sensor collection water tank, through liquid level signal, the temperature signal transmission in with the water tank to heating device the control unit, rethread heating device the control unit control heating device start/stop.
The utility model discloses a heating device is inserted to heat conduction portion, and heat conduction portion heaies up by the portion that generates heat, and its heat conduction portion passes through the heat bridge and drives heating portion and heat up to make heat energy act on the aqueous medium in the water tank, and make the temperature rise, promote natural evaporation.
The utility model transfers heat by adopting a mutual contact mode between the heating part and the metal sheet; heating may also be performed by means of a solenoid.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of embodiment 3 of the present invention.
Fig. 3 is a schematic view of embodiment 4 of the present invention.
Description of reference numerals:
1-water tank, 2-heating device, 3-heating part, 4-metal sheet, 5-heat-resistant medium, 6-liquid level transmitter, 7-temperature sensor, 101-shell, 401-heating part and 402-heat-conducting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
referring to fig. 1, an embodiment of the present invention is a water tank bottom heating structure for a humidifier, including a water tank 1, wherein the water tank 1 is an existing humidifier water tank, a housing 101 is installed on the outer side of the water tank 1, wherein the housing is used for wrapping the water tank 1, a gap is provided between the housing 101 and the water tank 1, particularly, a support lug is selectively installed on the inner wall of the housing 101, and the inner wall of the housing 101 contacts with the outer wall of the water tank 1 through the support lug, so as to ensure controllable gap between the water tank 1 and the housing 101.
Be equipped with heating device 2 between above-mentioned water tank 1 outer wall and the shell 101, install heating device 2 between water tank 1 outer wall and shell 101, consider to place the space problem, if heating device 2 is bulky, can set up the stabilizer blade at the shell 101 lower extreme to enlarge installation space.
The heating device 2 is provided with a heating part 3, the bottom of the water tank 1 is provided with a metal sheet 4 for heating the metal sheet 4 by the heating part 3, wherein the upper end of the metal sheet 4 is contacted with the water medium in the water tank 1 so as to heat the water in the water tank 1, and a heat-resistant medium 5 is filled between the outer wall of the water tank 1 and the shell for wrapping the heating device 2 by the heat-resistant medium 5; for heating the aqueous medium in the water tank 1 by the metal sheet 4; wherein the heat-resistant medium 5 is a material of heat-resistant ABS, heat-resistant PMMA and heat-resistant PC; thereby forming a relatively sealed environment for placing the heating means 2 and reducing the effect of moisture on the heating means 2.
Example 2:
based on the above embodiment, the utility model discloses a another embodiment is, is equipped with level transmitter 6 in the above-mentioned water tank 1, and above-mentioned level transmitter 6 and 2 the control unit signal connection of heating device. Wherein liquid level transmitter 6 is current signal element, mainly used gather the liquid level signal, avoids the liquid level in water tank 1 to reduce gradually at long-term humidification in-process, and the condition that can't know.
When the liquid level in the water tank 1 is lower than the safe liquid level of the work of the heating device 2, the liquid level signal is collected through the liquid level transmitter 6, the signal is transmitted to the control unit of the heating device 2, the heating device 2 is controlled through the control unit of the heating device 2, the heating device 2 stops working, and the situation that the temperature of the heating device 2 cannot be distributed and the heating device is damaged due to the fact that the heating device 2 continuously works under the anhydrous condition of the water tank 1 is avoided.
Further, even if the water level height is satisfied, the water temperature needs to be controlled within a reasonable range, so that a user can conveniently control the required humidification amount according to the water temperature, and the phenomenon that the required humidification amount is greatly deviated from the expected humidification amount is avoided.
A temperature sensor 7 is arranged in the water tank 1, and the temperature sensor 7 is in signal connection with a control unit of the heating device 2 and is used for controlling the heating device 2 to start/stop by the control unit of the heating device 2; wherein the temperature sensor 7 is an existing commodity, such as an existing thermocouple, the temperature sensor is in a contact type, the temperature in the water tank 1 is directly measured through the temperature sensor 7, a probe of the thermocouple extends into the bottom of the water tank 1, a temperature signal is transmitted to the control unit of the heating device 2 through the temperature sensor 7, and the working time of the heating device 2 is controlled through the control unit of the heating device 2.
The starting precondition of the heating device 2 needs to satisfy two aspects, on one hand, the temperature in the water tank 1 is lower than the threshold value of the temperature sensor 7; on the other hand, the height of the liquid level in the water tank 1 is larger than the set threshold of the liquid level transmitter 6; otherwise, the start-up is not necessary.
Wherein, in the working process of the heating device 2, the heating device is stopped temporarily according to any one of the following conditions, for example, the water temperature in the water tank 1 is higher than the threshold value of the temperature sensor 7; for example the level of the liquid in the water tank 1 is below a threshold set by the level transmitter 6. Thereby ensuring the controllability of the temperature of the water in the water tank 1 and thus ensuring the adjustability of the humidification environment of the device.
More importantly, the liquid level transmitter 6 is matched with the PLC system on the humidifier, so that the water level can be sensed by the liquid level transmitter 6, the running conditions of the humidifier, such as running gears, running time, environment temperature and humidity, water heating power consumption and other parameters, are combined, on-off time control is adopted, namely the heating power consumption is controlled according to the actual working condition, so that the water temperature is controlled, and the humidification quantity is controlled.
Example 3:
based on the above embodiment, referring to fig. 2, another embodiment of the present invention is that, for simple heat transfer, the metal sheet 4 includes a heating portion 401 and a heat conducting portion 402, the heating portion 401 is located at the bottom of the water tank 1, and the bottom of the water tank 1 is heated by the heating portion 401 for contacting with water in the inner cavity of the water tank 1 by the heating portion 401, so as to benefit the water medium in the water tank 1 acted by heat energy as much as possible.
The head end of the heat conducting part 402 is fixed to the lower end of the heating part 401, and the tail end of the heat conducting part 402 is inserted into the heating device 2, so that the heating part 3 heats the heat conducting part 402, and the heat conducting part 402 transfers heat energy to the heating part 401; that is, the end of the heat conducting part 402 is heated by the heat generating part 3, the heat conducting part 402 transfers heat energy to the heating part 401, and the heating of the aqueous medium in the water tank 1 is realized by the heating part 401.
The metal sheet 4 is made of copper or aluminum, the heating portion 3 is an electric heating sheet, the heating portion 3 contacts with the heat conducting portion 402 of the metal sheet 4, if the heating material of the metal sheet 4 is aluminum, the coloring can be performed by sand blasting and oxidation, and then the heat conductivity coefficient of aluminum is improved by oxygen electrode oxidation, so as to facilitate heat transfer.
Example 4:
based on the above embodiment, referring to fig. 3, another embodiment of the present invention is that, in order to further reduce the possibility of metal oxidation, the metal sheet 4 includes a heating portion 401 and a heat conducting portion 402, the heating portion 401 is located at the bottom of the water tank 1 for contacting the water in the inner cavity of the water tank 1 by the heating portion 401, the head end of the heat conducting portion 402 is fixed at the lower end of the heating portion 401, the tail end of the heat conducting portion 402 is inserted into the heating device 2 for heating the heat conducting portion 402 by the heating portion 3, and for transferring the heat energy to the heating portion 401 by the heat conducting portion 402; the metal sheet 4 is made of iron, the heating portion 3 is an electromagnetic coil, and the electromagnetic coil is fitted over the heating portion 3.
Wherein, the outer wall of the heat conducting part 402 is wrapped by high temperature resistant material, and the inside is provided with iron heat conducting wires; converting electric energy into heat energy by utilizing an electromagnetic induction principle; alternating current of 220V and 50/60Hz is rectified into direct current, and then the direct current is converted into high-frequency high-voltage electricity with the frequency of 20-40KHz, the high-frequency high-voltage electricity with high-speed change flows through the heating part 3 to generate an alternating magnetic field with high-speed change, countless small eddy currents are generated in the heat conducting part 402 when magnetic lines of force in the magnetic field pass through the heat conducting part 402, the metal sheet 4 automatically generates heat at high speed, and the metal strips in the heat conducting part 402 transmit the heat energy to the heating part 401, so that the purpose of heating the heating part 401 is achieved.
In this heating, the heat generating portion 3 itself does not generate heat, but the heat conducting portion 402 itself generates heat, and the temperature rise speed is high, so that the heat transfer with the heating portion 401 is faster, and a large heating power can be obtained when the area of the heat conducting portion 402 is small.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a water tank bottom heating structure for humidifier, includes water tank (1), its characterized in that: a shell (101) is sleeved on the outer side of the water tank (1), a heating device (2) is arranged between the outer wall of the water tank (1) and the shell (101), a heating part (3) is arranged on the heating device (2), a metal sheet (4) is arranged at the bottom of the water tank (1) and used for heating the metal sheet (4) by the heating part (3), and a heat-resistant medium (5) is filled between the outer wall of the water tank (1) and the shell and used for wrapping the heating device (2) by the heat-resistant medium (5); used for heating the water medium in the water tank (1) by the metal sheet (4).
2. The water tank bottom heating structure for a humidifier according to claim 1, wherein: the water tank (1) is internally provided with a liquid level transmitter (6), and the liquid level transmitter (6) is in signal connection with the control unit of the heating device (2).
3. The water tank bottom heating structure for a humidifier according to claim 2, wherein: and a temperature sensor (7) is arranged in the water tank (1), and the temperature sensor (7) is in signal connection with the control unit of the heating device (2) and is used for controlling the heating device (2) to start/stop by the control unit of the heating device (2).
4. The water tank bottom heating structure for a humidifier according to claim 1, wherein: the metal sheet (4) comprises a heating part (401) and a heat conducting part (402), the heating part (401) is located at the bottom of the water tank (1) and is used for enabling the heating part (401) to be in contact with water in an inner cavity of the water tank (1), the head end of the heat conducting part (402) is fixed to the lower end of the heating part (401), the tail end of the heat conducting part (402) is inserted into the heating device (2) and used for heating the heat conducting part (402) through the heating part (3) and transmitting heat energy to the heating part (401) through the heat conducting part (402).
5. The water tank bottom heating structure for a humidifier according to claim 4, wherein: the metal sheet (4) is made of copper or aluminum, the heating part (3) is an electric heating sheet, and the heating part (3) is in contact with the heat conducting part (402) of the metal sheet (4).
6. The water tank bottom heating structure for a humidifier according to claim 4, wherein: the metal sheet (4) is made of iron, the heating part (3) is an electromagnetic coil, and the electromagnetic coil is sleeved on the heating part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020187296.3U CN211526627U (en) | 2020-02-20 | 2020-02-20 | Water tank bottom heating structure for humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020187296.3U CN211526627U (en) | 2020-02-20 | 2020-02-20 | Water tank bottom heating structure for humidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211526627U true CN211526627U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020187296.3U Active CN211526627U (en) | 2020-02-20 | 2020-02-20 | Water tank bottom heating structure for humidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211526627U (en) |
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2020
- 2020-02-20 CN CN202020187296.3U patent/CN211526627U/en active Active
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