CN217082812U - Frost prevention and dewfall total heat exchange fresh air fan - Google Patents
Frost prevention and dewfall total heat exchange fresh air fan Download PDFInfo
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- CN217082812U CN217082812U CN202220320844.4U CN202220320844U CN217082812U CN 217082812 U CN217082812 U CN 217082812U CN 202220320844 U CN202220320844 U CN 202220320844U CN 217082812 U CN217082812 U CN 217082812U
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Abstract
The utility model discloses a frost prevention is frozen and new fan of full heat exchange of dewfall, include: the air conditioner comprises a shell, a total heat exchanger, a fresh air fan, an exhaust fan, a temperature and humidity sensor and an electrical box, wherein one end of the shell is provided with a fresh air inlet and a room air outlet, the other end of the shell is provided with a fresh air outlet and a room air inlet, an inner cavity of the shell is divided into a fresh air channel and an exhaust channel by a partition plate in the shell, the fresh air inlet, one path of the total heat exchanger, the fresh air fan and the fresh air outlet are sequentially arranged on the fresh air channel, the room air inlet, the second path of the total heat exchanger, the temperature and humidity sensor, the exhaust fan and the room air outlet are sequentially arranged on the exhaust channel, the electrical box is arranged on the shell, and the electrical box is electrically connected with the fresh air fan, the exhaust fan and the temperature and humidity sensor; the utility model discloses a new fan of full heat exchange of frost prevention is frozen and is dewed can be to indoor transport new trend, and can effectively prevent that the inside frost of equipment from freezing, dewfall.
Description
Technical Field
The utility model relates to a new trend technical field, in particular to frost prevention is frozen and new fan of full heat exchange of dewfall.
Background
The central fresh air system improves the indoor air quality, timely discharges indoor toxic and harmful gas and dirty air, simultaneously introduces outdoor fresh air, effectively controls the air quantity, increases energy recovery, and simultaneously keeps off the environmental noise outdoors to build a healthy and good indoor high-quality living environment, thereby creating a healthy and energy-saving environment-friendly system for residents. The fresh air system has high-efficiency ventilation efficiency, and can completely update indoor dirty air into outdoor fresh air within several hours, so that the freshness of the indoor air is ensured.
However, in extreme weather, especially in winter in the north, the difference between indoor and outdoor temperature and humidity easily causes frost and dew in the equipment, which affects the operation condition and service life of the fan.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome foretell not enough, the utility model provides a new fan of full heat exchange is frozen and is dewed in frost prevention can be to indoor transport new trend, and can effectively prevent that the inside frost of equipment from freezing, dewfall.
The utility model provides a pair of frost prevention is frozen and new fan of full heat exchange of dewfall, which comprises a housin, full heat exchanger, new fan, the fan of airing exhaust, temperature and humidity sensor and electrical apparatus box, the one end of casing is provided with new trend import and room wind export, the other end is provided with new trend export and room wind import, divide into new trend passageway and the passageway of airing exhaust with the casing inner chamber through the baffle in the casing, new trend import, full heat exchanger is all the way, new trend fan and new trend export set gradually on new trend passageway, room wind import, full heat exchanger's second way, temperature and humidity sensor, the fan of airing exhaust and room wind export set gradually on the passageway of airing exhaust, electrical apparatus box installs on the casing, electrical apparatus box and new trend fan, the fan of airing exhaust and temperature and humidity sensor electricity are connected.
Furthermore, a fresh air primary-effect filter screen is arranged on the fresh air channel and is positioned between the fresh air inlet and the total heat exchanger.
Furthermore, an air exhaust primary filter screen is arranged on the air exhaust channel and is positioned between the room air inlet and the total heat exchanger.
Furthermore, the air conditioner also comprises an outdoor air detection sensor and an indoor air detection sensor which are respectively electrically connected with the electric appliance box, wherein the outdoor air detection sensor is arranged at the fresh air inlet, and the indoor air detection sensor is arranged at the room air inlet.
The air inlet pipeline is provided with a first air inlet pipe, a second air inlet pipe and an air supply pipe, the inlet end of the first air inlet pipe is communicated with the outside, the outlet end of the first air inlet pipe is connected with the inlet end of the air supply pipe, the inlet end of the second air inlet pipe is communicated with the inside, the outlet end of the second air inlet pipe is connected with the inlet end of the air supply pipe, the outlet end of the air supply pipe is connected with a fresh air inlet, the second air inlet pipeline is provided with a valve, and the valve is electrically connected with the electrical box.
Further, the valve is an electric valve.
Furthermore, the valve is a three-way electric valve, the three-way electric valve is arranged at the joint of the first air inlet pipe and the second air inlet pipe, two inlets of the three-way electric valve are respectively connected with the outlet ends of the first air inlet pipe and the second air inlet pipe, and the outlet of the three-way electric valve is connected with the inlet end of the air supply pipe.
The utility model has the advantages that: through set up temperature and humidity sensor in equipment inside, can effectively detect the internal conditions of equipment to can in time detect the equipment internal conditions, when outdoor air detection sensor, indoor air detection sensor and temperature and humidity sensor's detected value reachd and set for the dew and frost early warning value, make the new trend fan reduce the intake through the electrical apparatus box, perhaps close, the fan of airing exhaust carries out single airing exhaust, stops the entering of outdoor air, has reached the effect that prevents frost, dew condensation.
Furthermore, when the detection values of the outdoor air detection sensor, the indoor air detection sensor and the temperature and humidity sensor reach the set dew condensation and frost formation early warning value, indoor warm air enters the air supply pipe through the inlet end of the second air inlet pipe through the electric valve, the indoor warm air and outdoor cold air are mixed together in the air supply pipe and enter the fresh air machine, the outdoor cold air is heated for one time during mixing, when the mixed air passes through the total heat exchanger, the mixed air and air of the air exhaust channel in the other direction are subjected to heat exchange for the second time, the outdoor cold air is heated for two times, and the frost and dew formation prevention effect is achieved. Also can close the new trend air inlet through the tee bend motorised valve and let indoor warm air get into the blast pipe through the second air-supply line, and outdoor cold air can't get into, and indoor air begins the inner loop and purifies the mode, has reached the effect that prevents frost, dewfall.
Drawings
Fig. 1 is a schematic structural diagram of an all heat exchange fresh air fan for preventing frost and dew formation according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of an all heat exchange fresh air fan for preventing frost and dew formation according to a second embodiment of the present invention; and
fig. 3 is a schematic structural view of an all heat exchange fresh air blower according to a modification of the present invention.
In the figure, 1 is an outdoor air detection sensor, 2 is an indoor air detection sensor, 3 is a temperature and humidity sensor, 4 is a fresh air fan, 5 is an exhaust fan, 6 is a fresh air inlet, 7 is a room air outlet, 8 is a fresh air outlet, 9 is a room air inlet, 10 is an electrical box, 11 is a fresh air primary filter screen, 12 is an exhaust primary filter screen, 13 is a first air inlet pipe, 14 is a second air inlet pipe, 15 is an air supply pipe, 16 is an electric valve, 17 is a three-way electric valve, 18 is a total heat exchanger, and 19 is an exhaust pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the ordinary skilled in the art without creative work all belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of an all heat exchange fresh air fan for preventing frost and dew formation according to a first embodiment of the present invention.
As shown in fig. 1, the frost and dew prevention total heat exchange fresh air blower in this embodiment includes a casing, a total heat exchanger 18, a fresh air blower 4, an exhaust air blower 5, a temperature and humidity sensor 3, an outdoor air detection sensor 1, an indoor air detection sensor 2, a fresh air primary filter 11, an exhaust air primary filter 12, and an electrical box 10.
One end of the shell is provided with a fresh air inlet 6 communicated with the outdoor and a room air outlet 7 communicated with the outdoor, and the other end is provided with a fresh air outlet 8 communicated with the indoor and a room air inlet 9 communicated with the indoor.
The inner cavity of the shell is divided into a fresh air channel and an exhaust channel by a partition board in the shell, a fresh air inlet 6, one path of a total heat exchanger 18, a fresh air fan 4 and a fresh air outlet 8 are sequentially arranged on the fresh air channel, a room air inlet 9, the second path of the total heat exchanger 18, an exhaust fan 5 of a temperature and humidity sensor 3 and a room air outlet 7 are sequentially arranged on the exhaust channel, an electrical box 10 is arranged on the shell, and the electrical box 10 is electrically connected with the fresh air fan 4, the exhaust fan 5 and the temperature and humidity sensor 3.
The fresh air primary filter screen 11 is positioned between the fresh air inlet 6 and the total heat exchanger 18.
The primary exhaust air screen 12 is located between the room air inlet 9 and the total heat exchanger 18.
The outdoor air detection sensor 1 is arranged at the fresh air inlet 6 and electrically connected with the electrical box 10, and is used for detecting the quality of outdoor air entering the fresh air inlet 6, including temperature and humidity.
The indoor air detection sensor 2 is arranged at the room air inlet 9 and electrically connected with the electrical box 10, and is used for detecting the quality of indoor air entering the room air inlet 9, including temperature and humidity.
When the detection values of the outdoor air detection sensor 1, the indoor air detection sensor 2 and the temperature and humidity sensor 3 reach the set dew condensation and frost formation early warning value, the electrical box 10 can control the fresh air fan 4 to reduce the air inlet volume, or is closed, the exhaust fan 5 performs single exhaust to stop the outdoor air from entering, and the frost and dew formation prevention effect is achieved.
Example two
In the second embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description of the parts that are the same as those in the first embodiment is omitted here.
Fig. 2 is a schematic structural view of an all heat exchange fresh air blower according to a second embodiment of the present invention.
As shown in fig. 2, the fresh air inlet 6 is communicated with the outside of the room through an air inlet pipeline, and the room air outlet 7 is communicated with the outside of the room through an air outlet pipeline 19. The air inlet pipeline comprises a first air inlet pipe 13, a second air inlet pipe 14 and an air supply pipe 15, wherein the inlet end of the first air inlet pipe 13 is communicated with the outside, the outlet end of the first air inlet pipe is connected with the inlet end of the air supply pipe 15, the inlet end of the second air inlet pipe 14 is communicated with the inside, the outlet end of the second air inlet pipe is connected with the inlet end of the air supply pipe 15, the outlet end of the air supply pipe 15 is connected with a fresh air inlet 6, a valve is arranged on the second air inlet pipe 14 in a channel, and the valve is electrically connected with the electrical box 10. In this embodiment, the valve is an electrically operated valve 16.
When the detection values of the outdoor air detection sensor 1, the indoor air detection sensor 2 and the temperature and humidity sensor 3 reach the set dew condensation and frost formation early warning value, the electric box 10 can control the electric valve 16 to be opened, indoor warm air enters the air supply pipe 15 through the inlet end of the second air inlet pipe 14, the indoor warm air and outdoor cold air are mixed together in the air supply pipe 15 and enter the fresh air machine, when the indoor warm air and the outdoor cold air are mixed, the outdoor cold air is heated for one time, when the mixed air passes through the total heat exchanger 18, the mixed air and air of an air exhaust channel in the other direction are subjected to second heat exchange, the outdoor cold air is heated for two times, and the effects of preventing frost and dew formation are achieved.
Modification example
In this modification, the same parts as those in the embodiment are given the same numbers, and the details of the same parts as those in the embodiment are not repeated in this embodiment.
Fig. 3 is a schematic structural view of an all heat exchange fresh air blower according to a modification of the present invention.
As shown in fig. 3, the difference between this modified embodiment and the second embodiment is that the valve is a three-way electric valve 17, the three-way electric valve 17 is disposed at the connection between the first air inlet pipe 13 and the second air inlet pipe 14, two inlets of the three-way electric valve 17 are respectively connected to the outlet end of the first air inlet pipe 13 and the outlet end of the second air inlet pipe 14, and the outlet of the three-way electric valve 17 is connected to the inlet end of the air supply pipe 15.
When the detection values of the outdoor air detection sensor 1, the indoor air detection sensor 2 and the temperature and humidity sensor 3 reach the set dew condensation and frost formation early warning value, the inner valve plate of the three-way electric valve 17 starts to act, the first air inlet pipe 13 is closed, the second air inlet pipe 14 is opened, indoor warm air enters the air supply pipe 15 through the second air inlet pipe 14, outdoor cold air cannot enter, and indoor air starts to enter an internal circulation purification mode, so that the frost and dew formation prevention effect is achieved.
To sum up, it is the utility model discloses a concrete application example is right the utility model protection scope does not constitute the restriction, adopts the technical scheme of equivalent replacement all to fall within the utility model protection scope.
Claims (7)
1. The utility model provides a new fan of anti-frost and dew condensation total heat exchange which characterized in that includes: casing, total heat exchanger, new trend fan, the fan of airing exhaust, temperature and humidity sensor and electrical apparatus box, the one end of casing is provided with new trend import and room wind export, and the other end is provided with new trend export and room wind import, will through the baffle in the casing the inner chamber of the shell divide into new trend passageway and air exhaust passageway, new trend import the same way of total heat exchanger new trend fan and new trend export sets gradually on the new trend passageway, room wind import the second way of total heat exchanger temperature and humidity sensor air exhaust fan and room wind export sets gradually on the air exhaust passageway, electrical apparatus box installs on the casing, electrical apparatus box with new trend fan air exhaust fan and temperature and humidity sensor electricity is connected.
2. The all-heat-exchange fresh air blower capable of preventing frost and dew formation according to claim 1, wherein a fresh air primary filter screen is further arranged on the fresh air channel, and the fresh air primary filter screen is located between the fresh air inlet and the all-heat exchanger.
3. The fresh air fan with full heat exchange for preventing frost and dew formation of claim 1, wherein the exhaust channel is further provided with an initial exhaust filter screen, and the initial exhaust filter screen is located between the room air inlet and the full heat exchanger.
4. The all heat exchange fresh air machine for preventing frost and dew formation according to claim 1, further comprising an outdoor air detection sensor and an indoor air detection sensor electrically connected to the electrical box, respectively, wherein the outdoor air detection sensor is disposed at the fresh air inlet, and the indoor air detection sensor is disposed at the indoor air inlet.
5. The all-heat exchange fresh air blower capable of preventing frost and dew formation according to claim 1 or 4, further comprising an air inlet duct, wherein the air inlet duct is provided with a first air inlet pipe, a second air inlet pipe and a blast pipe, an inlet end of the first air inlet pipe is communicated with the outside, an outlet end of the first air inlet pipe is connected with an inlet end of the blast pipe, an inlet end of the second air inlet pipe is communicated with the inside, an outlet end of the second air inlet pipe is connected with an inlet end of the blast pipe, an outlet end of the blast pipe is connected with the fresh air inlet, and the second air inlet duct is provided with a valve which is electrically connected with the electrical box.
6. The all heat exchange ventilator of claim 5 wherein the valve is an electrically operated valve.
7. The all-heat-exchange fresh air blower according to claim 5, wherein the valve is a three-way electric valve, the three-way electric valve is disposed at a junction of the first air inlet pipe and the second air inlet pipe, two inlets of the three-way electric valve are respectively connected to outlet ends of the first air inlet pipe and the second air inlet pipe, and an outlet of the three-way electric valve is connected to an inlet end of the air supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220320844.4U CN217082812U (en) | 2022-02-17 | 2022-02-17 | Frost prevention and dewfall total heat exchange fresh air fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220320844.4U CN217082812U (en) | 2022-02-17 | 2022-02-17 | Frost prevention and dewfall total heat exchange fresh air fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217082812U true CN217082812U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220320844.4U Active CN217082812U (en) | 2022-02-17 | 2022-02-17 | Frost prevention and dewfall total heat exchange fresh air fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217082812U (en) |
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2022
- 2022-02-17 CN CN202220320844.4U patent/CN217082812U/en active Active
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