CN212378181U - New fan with temperature regulation function - Google Patents
New fan with temperature regulation function Download PDFInfo
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- CN212378181U CN212378181U CN202021025542.1U CN202021025542U CN212378181U CN 212378181 U CN212378181 U CN 212378181U CN 202021025542 U CN202021025542 U CN 202021025542U CN 212378181 U CN212378181 U CN 212378181U
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Abstract
The utility model relates to a fresh air machine with temperature regulation function, which comprises a shell and a fan system, wherein the fan system is arranged in the shell and is used for sucking air into a room, the bottom wall of the shell is provided with a return air inlet, the top wall of the shell is provided with an air outlet, the side wall of the shell is provided with a fresh air inlet, the shell is provided with a first valve component which can open or close the fresh air inlet, and a second valve component which opens or closes the return air inlet; the shell is internally provided with a wind mixing area which is positioned at the upstream of the fan system and used for premixing the fresh air inlet and the return air inlet, and the shell is internally provided with a heater which is positioned at the downstream of the fan system and used for heating the outlet wind. When the outdoor temperature is very high in summer, the first valve assembly and the second valve assembly are opened, the fresh air and the return air are premixed in the air mixing area and then are discharged to the indoor through the fan system, the temperature difference between the fresh air and the indoor air can be reduced, and the indoor temperature is prevented from being suddenly increased; when the outdoor temperature is very low in winter, the fresh air can be heated by the heater, so that the user experience is improved.
Description
Technical Field
The utility model relates to an air purification technical field specifically indicates a new fan with temperature regulation function.
Background
The installation of a fresh air system in a room is an effective means for improving the quality of indoor air, and the installation of the fresh air system in the room is common at present.
For example, the chinese utility model patent "fresh air cleaner and indoor air cleaning circulation system" with the publication number CN204513613U discloses a structure, the fresh air cleaner includes a housing, a first fan, a second fan, a first filtering module, a second filtering module, a fresh air inlet, a return air inlet, and an air outlet, the housing is provided with the fresh air inlet, the return air inlet, and the air outlet; the fresh air inlet passes through the fresh air, and the fresh air inlet communicates the air inlet end of establishing the first filter module in the closed cavity, and the fresh air passes through the air inlet end that first filter module got into first fan, and the air-out end and the air outlet of first fan communicate with each other, and the air inlet end of establishing the second filter module in the closed cavity is communicated to the return air inlet, and the return air passes through the air inlet end that second filter module got into the second fan, and the air-out end and the air outlet of second fan communicate with each other.
The fresh air purifier in the prior art generally has the problem of incomplete internal and external circulation, so that outdoor fresh air still enters, and the real full internal circulation cannot be realized. And due to the influence of outdoor air temperature, the problem that the indoor temperature suddenly drops when cold air is introduced into the room in winter or the indoor temperature suddenly rises when outdoor high-temperature air is introduced into the room in summer can occur, and the user experience is seriously influenced. The heater is arranged in the fresh air fan to heat low-temperature air, but the structure can only solve the problem that the room temperature suddenly drops in winter, but cannot solve the problem that the room temperature suddenly rises in summer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, thereby provide one kind and can carry out premixing to indoor outer air according to air inlet temperature and reduce the difference in temperature, improve the new fan that has the temperature regulation function that user experience felt.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a new fan with temperature regulation function, includes casing and fan system, the fan system is located in the casing and is arranged in inhaling indoor its characterized in that with the air: the bottom wall of the shell is provided with a return air inlet, the top wall of the shell is provided with an air outlet, the side wall of the shell is provided with a fresh air inlet, and the shell is provided with a first valve component capable of opening or closing the fresh air inlet and a second valve component capable of opening or closing the return air inlet; along the gas circulation direction, be provided with in the casing and be located fan system upper reaches and be used for carrying out the mixed wind region that mixes in advance fresh air inlet and return air inlet, be provided with in the casing and be located fan system low reaches and be used for carrying out the heater that heats the air-out.
Preferably, the fresh air machine further comprises a fan capable of stirring air in the air mixing area, and the fan is arranged at the top of the air mixing area. This structure is favorable to improving the effect of mixing the wind, makes outdoor high temperature air and indoor low temperature air mix rapidly and arrange on, reduces the difference in temperature of new trend and indoor air, demonstrates soft air-out effect, improves user experience and feels.
Further preferably, the fan system has an air inlet which is arranged forward and communicated with the air mixing area, and the fan is rotatably arranged at the position close to the lower edge of the front side wall of the fan system.
In each of the above schemes, the air outlet of the fan system faces upward and is arranged corresponding to the air outlet, the air outlet is covered with an air outlet grating plate, and the heater is arranged on the lower side wall of the air outlet grating plate. The heater is arranged at the position, so that the assembly is convenient, and the assembly space can be effectively utilized.
The utility model discloses in, be provided with on the casing and be close to the fresh air inlet and arrange and be used for detecting the first sensor of fresh air temperature and be close to the return air inlet and arrange and be used for detecting the second sensor of return air temperature. The first sensor, the second sensor, the heater, the first valve assembly and the second valve assembly are controlled by the same control system, when the first sensor detects that the fresh air temperature is higher and the return air temperature is lower, the heater does not operate, and the fresh air and the return air are premixed in the air mixing area so as to reduce the temperature difference between the fresh air and the indoor air discharged into the room by the fan in the new year.
Preferably, first valve component locates on the lateral wall behind the casing, and this first valve component includes valve barrel, valve block and driving piece, the valve barrel corresponds the fresh air inlet restraint and has the vent that link up around on the lateral wall behind the casing, the valve block can be located in the valve barrel with overturning and be used for opening the vent or close, the driving piece is located on the valve barrel and is used for driving the valve block upset. The first valve component is simple in structure and convenient to assemble.
Preferably, a filter screen capable of covering the vent is arranged in the housing, and the filter screen is detachably connected with the edge of the valve sleeve. This structure can carry out the prefilter to the new trend, and the dismouting and the follow-up clearance of the filter screen of being convenient for.
As an improvement, the filter screen is provided with a sleeve-shaped side wall and an end wall connected to the front end of the sleeve-shaped side wall, and the filter screen extends forwards from the rear side wall of the shell and is positioned in the middle of the wind mixing area. This structure has increased filter area, is favorable to improving the filter effect, reduces the windage, and the filter screen is whole around the transversely put in mixing the wind region in addition, and the new trend is in the wind region is mixed in filter screen perisporium and antetheca input, and the room air is from mixing the regional bottom of wind entering back with the new trend parcel and mixing, is favorable to improving mixed effect.
As an improvement, the fan system comprises a backward centrifugal fan and a volute, the volute is provided with a front cover plate, a rear cover plate and a volute enclosing plate connected between the front cover plate and the rear cover plate, an air inlet is formed in the upper part of the front cover plate, and the tops of the front cover plate, the rear cover plate and the volute enclosing plate jointly enclose an air outlet; the backward centrifugal fan is rotatably and eccentrically arranged in the volute, the volute enclosing plate is inwards recessed near the first end to form a first volute tongue, and is inwards recessed near the second end to form a second volute tongue, the first volute tongue and the second volute tongue are oppositely arranged, a pressurization region capable of pressurizing air outlet is formed between the middle lower part of the first volute tongue and the middle lower part of the second volute tongue, and a wind expansion region capable of guiding the air outlet direction and increasing the air outlet area is formed between the middle upper part of the first volute tongue and the middle upper part of the second volute tongue. The backward centrifugal fan is arranged in the volute, and the air outlet can be pressurized in the pressurization area, so that the efficiency of the fan is improved; the wind expanding area can guide the wind direction, and the wind outlet surface is enlarged, so that the wind outlet uniformity and stability are improved, and the wind outlet effect is improved.
Preferably, the backward centrifugal fan is arranged in the volute biased to the second volute tongue, and the rotation direction of the backward centrifugal fan is from the first volute tongue side to the second volute tongue side. This structure is favorable to improving the pressure boost effect to the air-out to further improve the effect of increase wind pressure, improve fan efficiency.
Preferably, the front cover plate is bent forwards from bottom to top at the position corresponding to the volute tongue to form an arc-shaped structure, correspondingly, the rear cover plate forms an inclined plane structure which is gradually inclined forwards from bottom to top at the position corresponding to the volute tongue, and the volute coaming extends vertically upwards from the top of the volute tongue, the top of the arc-shaped structure of the front cover plate extends vertically upwards, and the top of the inclined plane structure of the rear cover plate extends vertically upwards to jointly enclose a steady flow region which enables outlet air to flow stably. Because the utility model discloses the air intake of back centrifugal fan is leading, adopts above-mentioned structure, not only be favorable to further improving the pressure boost effect with the eccentric arrangement mode of back centrifugal fan cooperatees, moreover to the change of air-out area, the effect of leading gradually of air-out direction better, be favorable to improving air-out stability.
Compared with the prior art, the utility model has the advantages of: the utility model discloses set up the mixed wind region of mixing fresh air inlet air and return air inlet air in advance at the fan system upper reaches, when summer outdoor temperature is very high, first valve subassembly is opened, second valve subassembly is opened, fresh air and return air are discharged to indoor through the fan system after mixing wind region in advance earlier, can reduce fresh air and indoor air temperature difference, avoid the indoor temperature to rise suddenly; when the outdoor temperature is very low in winter, the fresh air can be heated by the heater, so that sudden drop of the indoor temperature is avoided, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram (hiding the front side partial shell) of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
fig. 3 is a schematic structural diagram of a fan system according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a volute in an embodiment of the present invention;
fig. 5 is an exploded view of a blower system according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a first valve set according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of fig. 6.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 7, the fresh air blower with temperature adjustment function of the present embodiment includes a housing 5 and a blower system 100, wherein the blower system 100 is disposed in the housing 5 and is used for sucking air into a room. The bottom wall of the shell 5 is provided with a return air inlet 51, the top wall is provided with an air outlet 52, the side wall is provided with a fresh air inlet 53, and the shell 5 is provided with a first valve component 10 capable of opening or closing the fresh air inlet 53 and a second valve component 20 capable of opening or closing the return air inlet 51.
In the air flowing direction, a mixing area 10a is provided in the housing 5, which is located upstream of the blower system 100 and is used for premixing the fresh air inlet 53 and the return air inlet 51. A fan 10b capable of agitating the air in the wind mixing area 10a is further provided in the case 5, and the fan 10b is provided on the top of the wind mixing area 10 a. This structure is favorable to improving the effect of mixing the wind, makes outdoor high temperature air and indoor low temperature air mix rapidly and arrange on, reduces the difference in temperature of new trend and indoor air, demonstrates soft air-out effect, improves user experience and feels. The fan system 100 has an air inlet 10c disposed forwardly and communicating with the air mixing region 10a, and a fan 10b is rotatably provided at a lower edge of a front side wall of the fan system 100.
The housing 5 of the present embodiment is provided with a heater 6 located downstream of the fan system 100 and configured to heat the outlet air. The air outlet 10d of the fan system 100 is upward and arranged corresponding to the air outlet 52, as shown in fig. 3, the air outlet 10d is covered with an air outlet grid plate 10e, the heater 6 is arranged on the lower side wall of the air outlet grid plate 10e, and the PTC heater 6 is arranged at the position, so that the assembly is convenient, and the assembly space can be effectively utilized. The housing 5 is further provided with a first sensor (not shown) disposed near the fresh air inlet 53 for detecting the temperature of the fresh air, and a second sensor (not shown) disposed near the return air inlet 51 for detecting the temperature of the return air. The first sensor, the second sensor, the heater 6, the first valve assembly 10 and the second valve assembly 20 are controlled by the same control system, when the first sensor detects that the fresh air temperature is higher and the return air temperature is lower, the heater does not operate, and the fresh air and the return air are premixed in the air mixing area so as to reduce the temperature difference between the fresh air and the indoor air discharged into the room by the new year fan.
The first valve assembly 10 of this embodiment is disposed on the rear side wall of the housing 5, the first valve assembly 10 includes a valve housing 101, a valve plate 102 and a driving member 103, the valve housing 101 is fixed on the rear side wall of the housing 5 through a screw corresponding to the fresh air opening 53, the valve housing 101 has a ventilation opening 1011 running through from front to back, the valve plate 102 can be disposed in the valve housing 101 in a turnover manner and is used for opening or closing the ventilation opening 1011, and the driving member 103 is disposed on the valve housing 101 and is used for driving the valve plate 102 to turn over. The valve housing 101 has a shaft hole 1012 formed in a side wall thereof, correspondingly, a shaft 1021 capable of rotatably penetrating the shaft hole 1012 is disposed at an edge of the valve plate 102, the driving member 103 is a motor disposed outside the valve housing 101, and an output end of the motor is connected to the shaft 1021. The outer circumference of the valve housing 101 is also provided with a receiving groove 1013 for mounting the driver 103. The first valve component 10 is simple in structure and easy to assemble. The second valve assembly 20 of the present embodiment is a louver structure, and the opening or closing of the air return opening 51 is realized by the rotation of the louver, and the structure is a mature technology in the prior art and will not be described herein.
In this embodiment, a screen 7 capable of covering the vent 1011 is provided in the housing 5, and the rear end of the screen 7 is detachably connected to the cylinder catching structure at the front edge of the valve housing 101. This structure can carry out the prefilter to the new trend, and the dismouting and the follow-up clearance of the filter screen of being convenient for. The screen 7 has a side wall 71 formed in a sleeve shape and an end wall 72 connected to a front end of the sleeve-shaped side wall 71, and the screen 7 extends forward from a rear side wall of the casing 5 and is located in a middle of the wind mixing region 10 a. This structure has increased filter area, is favorable to improving the filter effect, reduces the windage, and the filter screen 7 is whole around the transversely put in mixing wind region 10a, during the new trend mixes wind region 10a through filter screen 7 perisporium and antetheca input, the room air is from mixing wind region 10a bottom entering back with the new trend parcel and mixing, is favorable to improving mixed effect.
As shown in fig. 5, the fan system 100 of the present embodiment includes a backward centrifugal fan a and a volute b, the volute b has a front cover plate 1, a rear cover plate 2 and a volute casing 3 connected between the front cover plate 1 and the rear cover plate 2, an air inlet 10c is opened on the front cover plate 1, and an air outlet 10d is enclosed by the tops of the front cover plate 1, the rear cover plate 2 and the volute casing 3. The backward centrifugal fan a is eccentrically arranged in the volute b in a rotatable manner, the backward centrifugal fan a is fixed on the front side wall of the rear cover plate 2 through screws, an air inlet a1 of the backward centrifugal fan a is arranged corresponding to an air inlet 10c of the volute b, and an air inlet cover covers the air inlet 10c of the front cover plate 1.
In this embodiment, two sides of the volute enclosure plate 3 are respectively recessed near the upper end to form volute tongues capable of supercharging and guiding the outlet air. Specifically, the volute tongue comprises a first volute tongue 31 arranged close to the first end of the volute casing 3 and a second volute tongue 32 arranged close to the second end of the volute casing 3, as shown in fig. 2, the first volute tongue 31 and the second volute tongue 32 are arranged oppositely, a supercharging region 3a capable of supercharging the outlet air is formed between the middle lower part of the first volute tongue 31 and the middle lower part of the second volute tongue 32, and a wind expansion region 3b capable of guiding the outlet air direction and increasing the outlet air area is formed between the middle upper part of the first volute tongue 31 and the middle upper part of the second volute tongue 32. The supercharging area 3a can supercharge the outlet air, thereby improving the efficiency of the fan; the wind expanding area 3b can guide the wind direction, and the wind outlet surface is enlarged, so that the wind outlet uniformity and stability are improved, and the wind outlet effect is improved. The backward centrifugal fan a of the present embodiment is disposed in the volute b to be offset to the second volute tongue 32, and the rotational direction of the backward centrifugal fan a is from the first volute tongue 31 side to the second volute tongue 32 side. This structure is favorable to improving the pressure boost effect to the air-out to further improve the effect of increase wind pressure, improve fan efficiency.
In the present embodiment, as shown in fig. 4, the front cover plate 1 is bent from bottom to top at the corresponding volute tongue to form an arc structure 13, and correspondingly, the rear cover plate 2 is formed with a slope structure 21 which is gradually inclined from bottom to top at the corresponding volute tongue. Because this embodiment is leading to centrifugal fan a's air intake a1, adopt above-mentioned structure, not only be favorable to cooperating further improvement pressure boost effect with centrifugal fan a's behind eccentric arrangement mode, the effect of leading gradually to change, the air-out direction of air-out area is better in addition, is favorable to improving air-out stability. The volute casing enclosing plate 3 vertically extends upwards from the top of the volute tongue, the top of the arc-shaped structure 13 of the front cover plate 1 vertically extends upwards, and the top of the inclined surface structure 21 of the rear cover plate 2 vertically extends upwards to jointly enclose a flow stabilizing area 3c capable of enabling outlet air to stably flow. The structure can exhaust air to play a role in stabilizing the flow, and the stability of the air exhaust is further improved.
The casing 5 can also be provided with a formaldehyde removing module covering the air return opening 51 and a filtering module 8 covering the air outlet 52, so as to achieve good air purification effect.
Claims (10)
1. The utility model provides a new fan with temperature regulation function, includes casing (5) and fan system (100), fan system (100) are located in casing (5) and are used for inhaling indoor with the air, its characterized in that: the bottom wall of the shell (5) is provided with a return air inlet (51), the top wall of the shell is provided with an air outlet (52), and the side wall of the shell is provided with a fresh air inlet (53), and the shell (5) is provided with a first valve component (10) capable of opening or closing the fresh air inlet (53) and a second valve component (20) capable of opening or closing the return air inlet (51); along the gas circulation direction, be provided with in casing (5) and be located fan system (100) upper reaches and be used for carrying out mixed wind region (10a) that mixes with fresh air inlet (53) air inlet and return air inlet in advance, be provided with in casing (5) and be located fan system (100) low reaches and be used for carrying out heater (6) that heats the air-out.
2. The fresh air machine with temperature regulation function of claim 1, characterized in that: the air mixing device further comprises a fan (10b) capable of stirring air in the air mixing area (10a), and the fan (10b) is arranged at the top of the air mixing area (10 a).
3. The fresh air machine with temperature adjusting function according to claim 2, characterized in that: the fan system (100) is provided with an air inlet (10c) which is arranged forwards and communicated with the air mixing area (10a), and the fan (10b) is rotatably arranged at the lower edge near the front side wall of the fan system (100).
4. The fresh air machine with temperature regulation function of claim 1, characterized in that: air exit (10d) of fan system (100) just correspond air outlet (52) and arrange up, and this air exit (10d) coats and is stamped air-out grid board (10e), heater (6) are located on the lower lateral wall of this air-out grid board (10 e).
5. The fresh air machine with temperature regulation function of claim 1, characterized in that: the shell (5) is provided with a first sensor which is arranged close to the fresh air inlet (53) and used for detecting the temperature of fresh air and a second sensor which is arranged close to the return air inlet (51) and used for detecting the temperature of return air.
6. The fresh air machine with temperature regulation function of claim 1, characterized in that: first valve component (10) are located on casing (5) rear side wall, and this first valve component (10) are including valve barrel (101), valve block (102) and driving piece (103), valve barrel (101) correspond fresh air inlet (53) and retrain on casing (5) rear side wall and have vent (1011) that link up around, valve block (102) can be located in valve barrel (101) with overturning and be arranged in opening vent (1011) or close, driving piece (103) are located on valve barrel (101) and are used for driving valve block (102) upset.
7. The fresh air machine with temperature adjusting function according to claim 6, characterized in that: the valve is characterized in that a filter screen (7) capable of covering the vent (1011) is arranged in the shell (5), and the filter screen (7) is detachably connected with the edge of the valve sleeve (101).
8. The fresh air machine with temperature regulation function of claim 7, characterized in that: the filter screen (7) is provided with a sleeve-shaped side wall (71) and an end wall (72) connected to the front end of the sleeve-shaped side wall (71), and the filter screen (7) extends forwards from the rear side wall of the shell (5) and is positioned in the middle of the air mixing area (10 a).
9. The fresh air machine with temperature regulation function of claim 1, characterized in that: the fan system (100) comprises a backward centrifugal fan (a) and a volute (b), the volute (b) is provided with a front cover plate (1), a rear cover plate (2) and a volute enclosing plate (3) connected between the front cover plate (1) and the rear cover plate (2), an air inlet (10c) is formed in the front cover plate (1), and the tops of the front cover plate (1), the rear cover plate (2) and the volute enclosing plate (3) jointly enclose an air outlet (10 d); the backward centrifugal fan (a) can be rotatably and eccentrically arranged in the volute (b), the volute enclosing plate (3) is inwards recessed near the first end to form a first volute tongue (31), and is inwards recessed near the second end to form a second volute tongue (32), the first volute tongue (31) and the second volute tongue (32) are oppositely arranged, a pressurizing area (3a) capable of pressurizing the outlet air is formed between the middle lower part of the first volute tongue (31) and the middle lower part of the second volute tongue (32), and a wind expanding area (3b) capable of guiding the outlet air direction and increasing the outlet air area is formed between the middle upper part of the first volute tongue (31) and the middle upper part of the second volute tongue (32).
10. The fresh air machine with temperature adjusting function according to claim 9, characterized in that: the spiral case is characterized in that the front cover plate (1) is bent forwards from bottom to top at a position corresponding to the volute tongue to form an arc-shaped structure (13), correspondingly, the rear cover plate (2) forms an inclined plane structure (21) which is gradually inclined forwards from bottom to top at a position corresponding to the volute tongue, the spiral case enclosing plate (3) vertically extends upwards from the top of the volute tongue, the top of the arc-shaped structure (13) of the front cover plate (1) vertically extends upwards, and the top of the inclined plane structure (21) of the rear cover plate (2) vertically extends upwards to jointly enclose a steady flow region (3c) which enables air outlet to stably flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021025542.1U CN212378181U (en) | 2020-06-05 | 2020-06-05 | New fan with temperature regulation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021025542.1U CN212378181U (en) | 2020-06-05 | 2020-06-05 | New fan with temperature regulation function |
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| Publication Number | Publication Date |
|---|---|
| CN212378181U true CN212378181U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202021025542.1U Active CN212378181U (en) | 2020-06-05 | 2020-06-05 | New fan with temperature regulation function |
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| CN (1) | CN212378181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944537A (en) * | 2021-03-17 | 2021-06-11 | 张碧 | Ventilation system of intelligence building |
| WO2022165999A1 (en) * | 2021-02-08 | 2022-08-11 | 广东美的制冷设备有限公司 | Air conditioning device |
-
2020
- 2020-06-05 CN CN202021025542.1U patent/CN212378181U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022165999A1 (en) * | 2021-02-08 | 2022-08-11 | 广东美的制冷设备有限公司 | Air conditioning device |
| CN112944537A (en) * | 2021-03-17 | 2021-06-11 | 张碧 | Ventilation system of intelligence building |
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