CN113048632A - Control method for preventing condensation on surface of casing of household ceiling fresh air machine - Google Patents
Control method for preventing condensation on surface of casing of household ceiling fresh air machine Download PDFInfo
- Publication number
- CN113048632A CN113048632A CN202110496855.8A CN202110496855A CN113048632A CN 113048632 A CN113048632 A CN 113048632A CN 202110496855 A CN202110496855 A CN 202110496855A CN 113048632 A CN113048632 A CN 113048632A
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- casing
- air
- minutes
- fresh air
- inlet
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- 238000009833 condensation Methods 0.000 title claims abstract description 31
- 230000005494 condensation Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 28
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Images
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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method for preventing condensation on the surface of a shell of a household suspended ceiling fresh air machine, which comprises the following steps: the fresh air machine is provided with an outdoor air inlet, an indoor air outlet and an indoor air return inlet, a temperature sensor is arranged at the outdoor air inlet, and the temperature detected by the temperature sensor is T; the control method comprises the following steps: after the outdoor air inlet is opened, the temperature sensor immediately detects the outdoor air inlet; when T is more than 0 ℃, after the outdoor air inlet is opened for a1 minutes, the indoor air return inlet is immediately opened for b1 minutes, and the switching is performed in a cyclic mode, wherein a1 is more than b 1; and when the T is less than or equal to 0 ℃, immediately opening the indoor air return inlet for b2 minutes after opening the outdoor air inlet for a2 minutes, and sequentially and circularly switching, wherein a2 is more than b 2. The invention controls the opening time of the fresh air guide door, synchronously controls the opening of the return air guide door, and leads indoor high-temperature air to enter the case, so that the internal temperature of the case shell is raised, and the condensation of the outer surface is avoided.
Description
Technical Field
The invention relates to the technical field of fresh air blowers, in particular to a control method for preventing condensation on the surface of a shell of a household ceiling fresh air blower.
Background
At present domestic furred ceiling new trend model all has new trend or extrinsic cycle function, opens outdoor new trend air guide door promptly, makes outdoor new trend enter into indoorly through the casing of the case, and inner loop or purification performance open indoor return air guide door promptly, make indoor air get back to indoorly again through the inside filter screen of casing of the case, reach the purpose of purifying. However, both control modes are relatively simple, and after the air guide door is opened, intelligent control cannot be realized unless the air guide door is shut down or switched into a mode, and further after-sale complaints such as condensation cannot be avoided.
It is known that the outdoor air temperature in winter is much lower than the indoor air temperature, even reaching below the dew point temperature of the indoor air condition. Like this, we are when using the new trend function, and cold wind gets into indoor through the inside entering of quick-witted case casing for the inside temperature of quick-witted case is lower and lower, and along with the increase of live time, the temperature that leads to whole quick-witted case casing drops constantly always, and including the surface of quick-witted case casing, drops below indoor air condition's dew point temperature very fast.
Because the temperature and the relative humidity of the indoor environment are high, condensed water is easily formed on the surface of the shell of the machine case with low temperature, namely the contact surface of the shell and indoor air, and the condensed water is easy to drip from the shell or pollute the wall body along with the prolonging of the service life, thereby easily causing after-sale complaints.
The existing solution commonly used in the industry is to paste very thick heat insulation cotton inside the casing of the machine case to play a role in heat insulation or heat preservation, but actually, under the application scene of extremely large indoor and outdoor temperature difference in winter, the improvement effect is not obvious, and after the service life is prolonged, the condensation phenomenon of the casing is still obvious.
Disclosure of Invention
The control method aims at preventing condensation on the surface of the casing of the household suspended ceiling fresh air machine, and comprises the steps of automatically judging according to an outdoor environment temperature value detected by a temperature sensor arranged at an outdoor air inlet and conditions formulated according to a condensation-preventing program, controlling the opening time of a fresh air guide door, synchronously controlling the opening of a return air guide door, enabling indoor high-temperature air to circularly enter the casing, raising the temperature inside the casing of the casing and avoiding condensation on the outer surface.
The specific technical scheme is as follows:
a control method for preventing condensation on the surface of a shell of a household ceiling fresh air fan type comprises the following steps: the fresh air machine is provided with an outdoor air inlet, an indoor air outlet and an indoor air return inlet, a temperature sensor is arranged at the outdoor air inlet, and the temperature detected by the temperature sensor is T;
the control method comprises the following steps:
after the outdoor air inlet is opened, the temperature sensor immediately detects the outdoor air inlet;
when T is more than 0 ℃, after the outdoor air inlet is opened for a1 minutes, the indoor air return inlet is immediately opened for b1 minutes, and the switching is performed in a cyclic mode, wherein a1 is more than b 1;
and when the T is less than or equal to 0 ℃, immediately opening the indoor air return inlet for b2 minutes after opening the outdoor air inlet for a2 minutes, and sequentially and circularly switching, wherein a2 is more than b 2.
The control method for preventing the condensation on the surface of the casing of the household ceiling ventilator comprises the steps of enabling a1 to be 60 minutes and enabling b1 to be 20 minutes.
The control method for preventing the condensation on the surface of the casing of the household ceiling fresh air machine type comprises the following steps of when T is more than minus 30 ℃ and less than or equal to 0 ℃, carrying out a2 for 10 minutes and carrying out b2 for 35 minutes; when the T is less than or equal to-30 ℃, the a2 is 1 minute, and the b2 is 59 minutes.
According to the control method for preventing condensation on the surface of the casing of the household ceiling fresh air machine, the fresh air machine comprises a machine case shell, an air outlet cavity is formed in the machine case shell, the air outlet cavity is communicated with the indoor air outlet, and the air outlet cavity is in contact with the inner wall of the machine case shell.
According to the control method for preventing condensation on the surface of the casing of the household suspended ceiling fresh air machine, the fresh air guide door and the return air guide door are arranged on the casing of the casing, the fresh air guide door is matched with the outdoor air inlet in a plugging manner, and the return air guide door is matched with the indoor return air inlet in a plugging manner.
According to the control method for preventing condensation on the surface of the casing of the household ceiling fresh air machine, after the fresh air fan is started, the indoor air outlet and the indoor air return inlet are sequentially switched in a circulating mode.
According to the control method for preventing condensation on the surface of the casing of the household ceiling fresh air machine, after the fresh air machine is started, the fresh air guide door and the return air guide door are sequentially switched in a circulating mode.
Compared with the prior art, the technical scheme has the positive effects that:
according to the invention, the outdoor environment temperature value detected by the temperature sensor is automatically judged according to the conditions formulated by the anti-condensation program, the opening time of the fresh air guide door is controlled, the opening of the return air guide door is synchronously controlled, indoor high-temperature air is circulated to enter the chassis, the internal temperature of the chassis shell is raised, and the condensation on the outer surface is avoided.
Drawings
FIG. 1 is a control schematic diagram of a control method for preventing condensation on the surface of a casing of a household ceiling fresh air machine type;
FIG. 2 is a schematic structural diagram of a fresh air machine of a control method for preventing condensation on the surface of a casing of a household ceiling fresh air machine type;
1. a fresh air machine; 2. an outdoor air inlet; 3. an indoor air outlet; 4. an indoor return air inlet; 5. a temperature sensor; 6. a housing of the chassis; 7. a fresh air guide door; 8. a return air guide door;
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a control schematic diagram of a control method for preventing condensation on the surface of a housing of a new household ceiling fan type, fig. 2 is a structural schematic diagram of a new fan of the control method for preventing condensation on the surface of a housing of a new household ceiling fan type, and as shown in fig. 1 and fig. 2, a control method for preventing condensation on the surface of a housing of a new household ceiling fan type according to a preferred embodiment is shown and includes: the fresh air machine 1 is provided with an outdoor air inlet 2, an indoor air outlet 3 and an indoor air return inlet 4, wherein the outdoor air inlet 2 is provided with a temperature sensor 5, and the temperature detected by the temperature sensor 5 is T.
Further, as a preferred embodiment, the control method includes:
after the outdoor air inlet 2 is opened, the temperature sensor immediately detects the outdoor air inlet;
when T is more than 0 ℃, after the outdoor air inlet 2 is opened for a1 minutes, the indoor air return opening 4 is immediately opened for b1 minutes, and the switching is sequentially and circularly carried out, wherein a1 is more than b 1;
when the temperature T is less than or equal to 0 ℃, the indoor air return opening 4 is opened for b2 minutes immediately after the outdoor air inlet 2 is opened for a2 minutes, and the switching is performed in a circulating mode in sequence, wherein a2 is more than b 2.
Further, as a preferred embodiment, a1 is 60 minutes and b1 is 20 minutes.
Further, as a preferred embodiment, when T is more than-30 ℃ and less than or equal to 0 ℃, a2 is 10 minutes, b2 is 35 minutes; when the T is less than or equal to-30 ℃, the a2 is 1 minute, and the b2 is 59 minutes.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments in addition to the above:
in a further embodiment of the present invention, please refer to fig. 1 and fig. 2, the new fan 1 includes a housing 6, an air outlet cavity is provided in the housing 6, the air outlet cavity is communicated with the indoor air outlet 3, and the air outlet cavity is in contact with the inner wall of the housing.
In a further embodiment of the invention, a fresh air guide door 7 and a return air guide door 8 are arranged on the case shell 6, the fresh air guide door 7 is in sealing fit with the outdoor air inlet 2, and the return air guide door 8 is in sealing fit with the indoor return air inlet 4.
Preferably, the temperature sensor 5 detects the temperature T immediately after the fresh air damper 7 is opened.
In a further embodiment of the present invention, after the new air blower 1 is turned on, the indoor air outlet 3 and the indoor air return 4 are sequentially switched in a circulating manner.
In a further embodiment of the invention, after the new air fan 1 is started, the new air guide door 7 and the return air guide door 8 are sequentially switched in a circulating manner.
When T is more than 0 ℃, after the outdoor air inlet 2 is opened for 60 minutes, the indoor air return inlet 4 is opened for 20 minutes, and the circulation switching is performed in sequence;
when T is more than minus 30 ℃ and less than or equal to 0 ℃, the outdoor air inlet 2 is opened for 10 minutes, the indoor air return inlet 4 is opened for 35 minutes, and the circulation switching is performed in sequence;
and when the T is less than or equal to minus 30 ℃, the outdoor air inlet 2 is opened for running for 1 minute, the indoor air return 4 is opened for 59 minutes, and the circulation switching is performed in sequence.
When T is more than 0 ℃, the fresh air guide valve 7 is opened and operated for 1 hour, the return air guide valve 8 is immediately opened and operated for 20 minutes after outdoor fresh air enters the room for only 1 hour, the temperature of the inner surface of the case shell 6 of the case is increased by the indoor air through the case, and the operation is circularly switched.
When T is more than minus 30 ℃ and less than or equal to 0 ℃, the fresh air guide door 7 is opened and operated for 10 minutes, the return air guide door 8 is immediately opened and operated for 35 minutes after outdoor fresh air enters the room, the temperature of the inner surface of the case is increased through the case shell 6, and the operation is circularly switched.
When T is less than or equal to minus 30 ℃, the fresh air guide door 7 is opened and operated for 1 minute, after outdoor fresh air enters the room for only 1 minute, the return air guide door 8 is immediately opened and operated for 59 minutes, so that the temperature of the inner surface of the shell of the case is increased by the indoor air through the case, and the operation is circularly switched.
According to the invention, the outdoor environment temperature value detected by the temperature sensor is automatically judged according to the conditions formulated by the anti-condensation program, the opening time of the fresh air guide door 7 is controlled, the opening of the return air guide door 8 is synchronously controlled, indoor high-temperature air is circulated to enter the chassis, the internal temperature of the chassis shell is raised, and the condensation on the outer surface is avoided.
The invention automatically controls the opening time of the fresh air guide door 7, ensures the fresh air demand of customers and avoids the hidden danger of case condensation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a control method that domestic furred ceiling new trend model prevents casing surface condensation which characterized in that includes: the fresh air machine is provided with an outdoor air inlet, an indoor air outlet and an indoor air return inlet, a temperature sensor is arranged at the outdoor air inlet, and the temperature detected by the temperature sensor is T;
the control method comprises the following steps:
after the outdoor air inlet is opened, the temperature sensor immediately detects the outdoor air inlet;
when T is more than 0 ℃, after the outdoor air inlet is opened for a1 minutes, the indoor air return inlet is immediately opened for b1 minutes, and the switching is performed in a cyclic mode, wherein a1 is more than b 1;
and when the T is less than or equal to 0 ℃, immediately opening the indoor air return inlet for b2 minutes after opening the outdoor air inlet for a2 minutes, and sequentially and circularly switching, wherein a2 is more than b 2.
2. The control method for preventing condensation on the surface of a casing of a domestic suspended ceiling ventilator according to claim 1, wherein a1 is 60 minutes and b1 is 20 minutes.
3. The control method for preventing condensation on the surface of the casing of the household ceiling fresh air fan type according to claim 1, wherein when T is more than-30 ℃ and less than or equal to 0 ℃, a2 is 10 minutes, and b2 is 35 minutes; when the T is less than or equal to-30 ℃, the a2 is 1 minute, and the b2 is 59 minutes.
4. The control method for preventing condensation on the surface of the casing of the household suspended ceiling fresh air machine type according to claim 1, wherein the fresh air machine comprises a machine casing, an air outlet cavity is formed in the machine casing, the air outlet cavity is communicated with the indoor air outlet, and the air outlet cavity is in contact with the inner wall of the machine casing.
5. The control method for preventing the condensation on the surface of the casing of the household suspended ceiling fresh air machine type according to claim 4, wherein a fresh air guide door and a return air guide door are arranged on the casing of the casing, the fresh air guide door is matched with the outdoor air inlet in a plugging manner, and the return air guide door is matched with the indoor return air inlet in a plugging manner.
6. The control method for preventing condensation on the surface of the casing of the household suspended ceiling fresh air machine type according to claim 5, wherein after the fresh air machine is started, the indoor air outlet and the indoor air return inlet are sequentially switched in a circulating mode.
7. The control method for preventing condensation on the surface of the casing of the household suspended ceiling fresh air machine type according to claim 6, wherein after the fresh air machine is started, the fresh air guide door and the return air guide door are sequentially switched in a circulating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110496855.8A CN113048632A (en) | 2021-05-07 | 2021-05-07 | Control method for preventing condensation on surface of casing of household ceiling fresh air machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110496855.8A CN113048632A (en) | 2021-05-07 | 2021-05-07 | Control method for preventing condensation on surface of casing of household ceiling fresh air machine |
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| Publication Number | Publication Date |
|---|---|
| CN113048632A true CN113048632A (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110496855.8A Pending CN113048632A (en) | 2021-05-07 | 2021-05-07 | Control method for preventing condensation on surface of casing of household ceiling fresh air machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113660834A (en) * | 2021-08-16 | 2021-11-16 | 广东美的暖通设备有限公司 | Control method and control device of frequency conversion cabinet, frequency conversion cabinet and readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011149612A (en) * | 2010-01-21 | 2011-08-04 | Panasonic Corp | Air-conditioning apparatus |
| CN205825326U (en) * | 2016-07-01 | 2016-12-21 | 青岛海尔中央空调有限公司 | A kind of VMC (Ventilation Mechanical Control System) |
| JP2019215130A (en) * | 2018-06-13 | 2019-12-19 | 三菱重工サーマルシステムズ株式会社 | Control device, air conditioning system, and control method |
| CN213119380U (en) * | 2020-09-21 | 2021-05-04 | 湖南克瑞特环境设备有限公司 | Comfortable energy-conserving new fan |
-
2021
- 2021-05-07 CN CN202110496855.8A patent/CN113048632A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011149612A (en) * | 2010-01-21 | 2011-08-04 | Panasonic Corp | Air-conditioning apparatus |
| CN205825326U (en) * | 2016-07-01 | 2016-12-21 | 青岛海尔中央空调有限公司 | A kind of VMC (Ventilation Mechanical Control System) |
| JP2019215130A (en) * | 2018-06-13 | 2019-12-19 | 三菱重工サーマルシステムズ株式会社 | Control device, air conditioning system, and control method |
| CN213119380U (en) * | 2020-09-21 | 2021-05-04 | 湖南克瑞特环境设备有限公司 | Comfortable energy-conserving new fan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113660834A (en) * | 2021-08-16 | 2021-11-16 | 广东美的暖通设备有限公司 | Control method and control device of frequency conversion cabinet, frequency conversion cabinet and readable storage medium |
| CN113660834B (en) * | 2021-08-16 | 2024-01-19 | 广东美的暖通设备有限公司 | Control method and control device of variable frequency cabinet, variable frequency cabinet and readable storage medium |
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| PB01 | Publication | ||
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Application publication date: 20210629 |