CN219415094U - New fan of electrified heating function - Google Patents

Abstract

The utility model discloses a fresh air fan with an electrified heating function, which comprises: the processing unit comprises a heat-insulating inner shell, a fresh air processing unit and an electric heater, wherein a processing chamber and an air outlet chamber which are arranged up and down are arranged in the heat-insulating inner shell, and the fresh air processing unit is arranged in the processing chamber; an air outlet is formed in the bottom of the air outlet chamber, and the electric heater is arranged above the air outlet in the air outlet chamber; the air supply unit is used for being installed in the floor overhead layer, connected to the bottom of the processing unit and communicated with the air outlet, and fresh air is directly pumped into the floor overhead layer through the air supply unit. The electric heater can be arranged to start the electric heater to heat dehumidified fresh air, and the electric heater is arranged above the air outlet of the air outlet chamber, and the fresh air can pass through the surface of the electric heater before being output from the air outlet.

Description

New fan of electrified heating function

Technical Field

The application relates to the technical field of air conditioners, in particular to a fresh air fan with an electric heating function.

Background

In the air conditioning application technology, besides performing temperature and humidity regulation treatment on indoor air, outdoor fresh air and indoor polluted air are required to be replaced continuously, so that people waiting for a long time in the room can breathe the fresh air, and a new fan for continuously conveying new air into the room is generated. In order to meet the temperature and humidity adjusting function, a heat exchanger is generally arranged in the existing fresh air machine, the temperature and humidity adjusting treatment modes such as temperature reduction and dehumidification or temperature rise and the like can be realized based on the heat exchanger, and the temperature reduction and adjustment are accompanied in the process of dehumidifying the heat exchanger, so that the existing fresh air machine cannot realize the temperature and humidity adjusting functions such as dehumidification, no temperature reduction or dehumidification and temperature rise and the like.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the utility model provides a new fan of electrified heating function, it can solve the problem that the new fan of prior art can't realize the dehumidification and not cool down or adjust functions such as dehumidification intensification.

In order to achieve the above purpose, the present application adopts the following technical scheme:

a fresh air fan with a heating function, comprising:

the processing unit comprises a heat-insulating inner shell, a fresh air processing unit and an electric heater, wherein a processing chamber and an air outlet chamber which are arranged up and down are arranged in the heat-insulating inner shell, and the fresh air processing unit is arranged in the processing chamber; an air outlet is formed in the bottom of the air outlet chamber, and the electric heater is arranged above the air outlet in the air outlet chamber;

the air supply unit is used for being installed in the floor overhead layer, connected to the bottom of the processing unit and communicated with the air outlet, and fresh air is directly pumped into the floor overhead layer through the air supply unit.

Optionally, the electric heater includes electric heater body and support, support one end is fixed in keep warm the inner wall of the inner shell, the other end is connected the electric heater body, through the support will the unsettled support of electric heater body in the air outlet top.

Optionally, the support includes connecting plate and first backup pad and the second backup pad that the interval set up, first backup pad with the second backup pad has one end to be fixed in respectively keep warm the inner wall of inner shell, the other end is connected the connecting plate, the electric heater body install in on the connecting plate.

Optionally, the one end that the connecting plate was kept away from to first backup pad is buckled and is formed with first cardboard, the second backup pad is kept away from the one end that the connecting plate is buckled and is formed with the second cardboard, the inner wall of heat preservation inner shell be equipped with respectively with first cardboard and second cardboard complex first draw-in groove and second draw-in groove, first cardboard with the second cardboard card respectively adorn in first draw-in groove and the second draw-in groove, thereby realize the support in installation is fixed in the heat preservation inner shell.

Optionally, the first clamping groove and the second clamping groove are open towards one side of the installation opening of the heat-insulation inner shell, and the first clamping plate and the second clamping plate can be directly inserted into the first clamping groove and the second clamping groove respectively through the installation opening.

Optionally, an electric control box is further arranged in the air outlet chamber.

Optionally, a limiting plate is arranged in the heat-insulating inner shell, and the electric control box is limited on one side of the air outlet, which is close to the mounting opening of the heat-insulating inner shell, through the limiting plate.

Optionally, the limiting plate includes upper limiting plate and lower limiting plate that set up respectively in the upper and lower both sides of air outlet chamber, upper limiting plate with lower limiting plate butt respectively the upper and lower tip of automatically controlled box.

Optionally, the automatically controlled box dorsad one side of installing port is equipped with third cardboard and fourth cardboard, go up the limiting plate with lower limiting plate orientation one side of installing port corresponds respectively and is equipped with third draw-in groove and fourth draw-in groove, through the installing port can be directly with third cardboard and fourth cardboard cartridge respectively to the third draw-in groove and in the fourth draw-in groove.

Optionally, the device further comprises a sheet metal shell, wherein the sheet metal shell is covered outside the processing unit and the air supply unit.

The beneficial effects of this application are: the utility model provides a fresh air fan with a charged heating function, wherein an electric heater is arranged in an air outlet chamber of a processing unit, fresh air can be heated through the electric heater, and after a fresh air processing unit is started for cooling, dehumidifying and adjusting, the electric heater can be started for heating dehumidified fresh air, so that the purpose of heating the cooled fresh air is achieved, and the adjusting functions of dehumidification without cooling, dehumidification, heating and the like are realized. The electric heater is arranged above the air outlet of the air outlet chamber, and fresh air can pass through the surface of the electric heater before being output from the air outlet.

On the other hand, the air supply unit capable of being installed in the floor overhead layer is arranged, the original air supply channel erected in the floor frame empty layer is utilized, the air supply unit is arranged in the floor frame empty layer, and the direct connection between the air supply unit and the floor frame empty layer is realized; the fresh air processed by the fresh air processing unit is directly pumped into the floor overhead layer by the air supply unit, and is blown out from bottom to top through the air outlet window on the floor indoors. Simultaneously, bury the air supply unit in the floor frame empty layer, the noise that can utilize the sound insulation effect of floor frame empty layer in with air supply unit working process gives sound insulation, reaches noise reduction's effect.

Drawings

The present application is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic diagram of a new fan installation state with an electric heating function according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a front panel of a fresh air machine with a heating function in an open state according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of the electric heating fan in the embodiment of the application in an explosion state of a sheet metal shell;

fig. 4 is a schematic structural diagram of the processing unit in a state of hiding an electronic control box according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of the processing unit in a state of hiding the electric control box and the electric heater according to the embodiment of the present application;

FIG. 6 is an exploded view of an electric heater according to an embodiment of the present application;

fig. 7 is a schematic diagram of a back structure of the electronic control box according to an embodiment of the present application.

In the figure:

100. a processing unit; 200. an air supply unit; 300. a floor frame empty layer; 1. a heat-insulating inner shell; 11. a processing chamber; 111. an air inlet; 12. an air outlet chamber; 121. an air outlet; 122. a first clamping groove; 123. a second clamping groove; 124. an upper limit plate; 1241. a third clamping groove; 125. a lower limit plate; 1251. a fourth clamping groove; 2. an electric heater; 21. an electric heater body; 22. a bracket; 221. a connecting plate; 222. a first support plate; 2221. a first clamping plate; 223. a second support plate; 2231. a second clamping plate; 3. an electric control box; 31. a third clamping plate; 32. a fourth clamping plate; 4. a sheet metal housing; 41. a housing body; 42. a front panel; 43. a bottom case; 5. a fan base; 6. a blower; 7. a heat exchanger; 81. a high-efficiency filter; 82. a primary filter; 9. wet curtain.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present application more clear, the technical solutions of the embodiments of the present application are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "secured" and "fixed" are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1-7, this embodiment provides a fresh air fan with a heating function, including:

the processing unit 100 comprises a heat-preserving inner shell 1, a fresh air processing unit and an electric heater 2, wherein a processing chamber 11 and an air outlet chamber 12 which are arranged up and down are arranged in the heat-preserving inner shell 1, and the fresh air processing unit is arranged in the processing chamber 11; an air outlet 121 is formed in the bottom of the air outlet chamber 12, and the electric heater 2 is arranged above the air outlet 121 in the air outlet chamber 12;

the air supply unit 200 is configured to be installed in the floor overhead layer 300, connected to the bottom of the processing unit 100 and communicated with the air outlet 121, and directly pump fresh air into the floor overhead layer 300 through the air supply unit 200.

The heat-insulating inner shell 1 is preferably made of EPP material, can provide reliable support for an internal fresh air processing unit, the electric heater 2 and other devices, has good heat-insulating effect, and can reduce heat or cold loss; and the molding is simple, and the molding can be realized by one-step demolding.

The fresh air processing unit disposed in the processing unit 100 is used for processing fresh air, and in some embodiments, referring to fig. 4, the fresh air processing unit may include a primary filter 82, a high-efficiency filter 81, a heat exchanger 7, and a wet curtain 9, which are sequentially arranged, and the primary filter 82 and the high-efficiency filter 81 are used for performing graded filtration to realize purification of the fresh air; the heat exchanger 7 can be a water-cooling coil/fin heat exchanger connected with cold and hot water or a fin heat exchanger connected with a refrigerant, and when the heat exchanger is used as an evaporator or is used as a cold water, the heat exchanger 7 can cool and dehumidify fresh air; when hot water is introduced or used as a condenser, the heat exchanger 7 can heat fresh air; when the fresh air humidity is lower than the indoor set humidity requirement, the effect of humidifying the fresh air can be achieved through the wet curtain 9, and therefore the aim of humidifying the indoor is achieved.

The processing chamber 11 is provided with the air intake 111 in the front side of new trend processing unit, and the rear side is provided with the vent that communicates with air outlet chamber 12, and air supply unit 200 includes fan base 5 and installs the fan 6 in fan base 5, and one side of fan base 5 is equipped with the supply-air outlet, and during the unit operation, new trend gets into processing chamber 11 by air intake 111, gets into air outlet chamber 12 after new trend processing unit, and electric heater 2 heats new trend when opening electric heater 2, later gets into in the fan base 5, again sends out from the supply-air outlet.

Referring to fig. 1, in the application scenario of the new ventilator, in the same manner as the existing raised floor, an air supply channel is provided in an indoor floor raised layer 300, an air outlet window communicated with the inner space of the air supply channel is provided on the floor, and the air supply unit 200 conveys new air into the air supply channel, and the new air is input into the room from bottom to top through the air outlet window.

To sum up, based on the fresh air fan with the electric heating function of the embodiment, the electric heater 2 is arranged in the air outlet chamber 12 of the processing unit 100, fresh air can be heated through the electric heater 2, after the fresh air processing unit is started to cool, dehumidify and adjust, the electric heater 2 can be started to heat dehumidified fresh air, the purpose of heating the cooled fresh air is achieved, and the adjusting functions of dehumidification without cooling or dehumidification heating and the like are achieved. The electric heater 2 is disposed above the air outlet 121 of the air outlet chamber 12, and fresh air passes through the surface of the electric heater 2 before being output from the air outlet 121, so that the arrangement structure of the electric heater 2 in the scheme can make the fresh air fully contact with the electric heater 2, thereby achieving the effect of fully heating the fresh air.

On the other hand, the air supply unit 200 which can be installed in the floor overhead layer 300 is arranged, the original air supply channel erected in the floor overhead layer 300 is utilized to arrange the air supply unit 200 in the floor overhead layer 300, and the direct connection between the air supply unit 200 and the floor overhead layer 300 is realized; the fresh air processed by the fresh air processing unit 100 is directly pumped into the floor overhead layer 300 by the air supply unit 200, and is blown out from bottom to top through an air outlet window on the floor indoors. Meanwhile, the air supply unit 200 is buried in the floor frame empty layer 300, and noise in the working process of the air supply unit 200 can be insulated by utilizing the sound insulation function of the floor frame empty layer 300, so that the effect of reducing the noise is achieved.

Referring to fig. 6, referring to the structure of the electric heater 2, the electric heater 2 includes an electric heater body 21 and a bracket 22, one end of the bracket 22 is fixed on the inner wall of the heat-insulation inner shell 1, the other end is connected with the electric heater body 21, and the electric heater body 21 is suspended and supported above the air outlet 121 by the bracket 22.

The electric heater body 21 is supported above the air outlet 121 in a suspended manner by the support 22, so that fresh air entering the air outlet 121 can fully contact with the electric heater body 21, and meanwhile, the electric heater body 21 can keep a sufficient distance with the inner wall of the heat-insulation inner shell 1, and the problem that the inner wall of the heat-insulation inner shell 1 is damaged due to overhigh temperature of the electric heater body 21 is avoided.

Regarding the structure of the support 22, in one embodiment, the support 22 includes a connection plate 221, and a first support plate 222 and a second support plate 223 disposed at intervals, where one end of the first support plate 222 and one end of the second support plate 223 are fixed on the inner wall of the heat-insulation inner shell 1, and the other end of the second support plate is connected to the connection plate 221, and the electric heater body 21 is mounted on the connection plate 221.

The connecting plate 221 can provide enough supporting area for the electric heater body 21, so as to meet the requirement of stable installation of the electric heater body 21; the connecting plate 221 is supported by the first supporting plate 222 and the second supporting plate 223, and the whole bracket 22 forms a structure in a shape like a Chinese character 'ji', and has the advantages of simple structure, good stability and less material consumption.

Regarding the fixing of the bracket 22 in the heat-insulation inner shell 1, in some embodiments, a first clamping plate 2221 is formed by bending an end of the first supporting plate 222 away from the connecting plate 221, a second clamping plate 2231 is formed by bending an end of the second supporting plate 223 away from the connecting plate 221, a first clamping groove 122 and a second clamping groove 123 respectively matched with the first clamping plate 2221 and the second clamping plate 2231 are provided on an inner wall of the heat-insulation inner shell 1, and the first clamping plate 2221 and the second clamping plate 2231 are respectively clamped in the first clamping groove 122 and the second clamping groove 123, so that the bracket 22 is installed and fixed in the heat-insulation inner shell 1.

The bracket 22 is of a clamping structure, and a fixing piece such as a screw is not required to be used during installation, so that the disassembly and assembly operations are convenient.

In order to realize that each functional device is installed in the inner cavity of the heat-preserving inner shell 1, the front side of the heat-preserving inner shell 1 is provided with an installation opening through which the disassembly and assembly operation of the internal device can be realized.

Further, referring to fig. 4-5, the sides of the first clamping groove 122 and the second clamping groove 123 facing the mounting opening of the heat-insulation inner shell 1 are both open, and the first clamping plate 2221 and the second clamping plate 2231 can be directly inserted into the first clamping groove 122 and the second clamping groove 123 respectively through the mounting opening.

Thus, when the electric heater 2 is installed, the electric heater 2 can be directly inserted from the installation opening, and the installation is convenient. The first clamping groove 122 and the second clamping groove 123 are open at one side facing the mounting opening, so that demolding operation during injection molding of the heat-insulation inner shell 1 can be facilitated.

Referring to fig. 2, an electric control box 3 is further disposed in the air outlet chamber 12.

Specifically, the electric control box 3 is used for controlling the work of various electric devices in the unit, such as the electric heater 2, the fan 6, the electric control valve and the like. The electric control box 3 is arranged in the air outlet chamber 12, so that the heat on the surface of the electric control box 3 can be taken away by the fresh air flowing in the air outlet chamber 12, and the heat dissipation is quickened, so that the stable operation of the electric control box 3 is maintained.

In some embodiments, a limiting plate is disposed in the heat-insulating inner shell 1, and the electric control box 3 is limited on one side of the air outlet 121 near the mounting opening of the heat-insulating inner shell 1 by the limiting plate.

Limiting plate-based limiting of the loading depth of the electric control box 3 enables the electric control box 3 to be close to the mounting opening, so that maintenance work of the electric control box is facilitated, and meanwhile the problem that air outlet 121 is blocked by the electric control box 3 to influence air outlet is avoided.

Referring to fig. 5, the limiting plates include an upper limiting plate 124 and a lower limiting plate 125 respectively disposed on the upper and lower sides of the air outlet chamber 12, and the upper limiting plate 124 and the lower limiting plate 125 respectively abut against the upper and lower ends of the electric control box 3.

Specifically, the upper limiting plate 124 and the lower limiting plate 125 limit the upper end and the lower end of the electric control box 3 respectively, so that stable limiting of the electric control box 3 can be realized, meanwhile, a space for accommodating the electric heater 2 can be formed between the upper limiting plate 124 and the lower limiting plate 125, and the compact design of the internal structure of the unit is realized.

In order to further fix the electric control box 3, referring to fig. 5 and 7, a third clamping plate 31 and a fourth clamping plate 32 are disposed on a side of the electric control box 3 opposite to the mounting opening, a third clamping groove 1241 and a fourth clamping groove 1251 are correspondingly disposed on a side of the upper limiting plate 124 and a side of the lower limiting plate 125 opposite to the mounting opening, and the third clamping plate 31 and the fourth clamping plate 32 can be directly inserted into the third clamping groove 1241 and the fourth clamping groove 1251 through the mounting opening.

The stability of the installation of the electric control box 3 can be improved based on the clamping structure, and meanwhile, the installation is convenient; the third clamping groove 1241 and the fourth clamping groove 1251 are open at one side facing the mounting opening, and demolding operation in the injection molding process of the heat insulation inner shell 1 can be facilitated.

In the fresh air ventilator with the electric heating function of this embodiment, in combination with fig. 2-3, the fresh air ventilator further includes a sheet metal housing 4, where the sheet metal housing 4 is covered outside the processing unit 100 and the air supply unit 200.

The sheet metal outer shell 4 is arranged to wrap the outer walls of the heat-preservation inner shell 1 and the fan base 5, and the appearance of the product can be optimized.

Wherein, the sheet metal shell 4 comprises an shell body 41 sleeved outside the heat-insulating inner shell 1, a bottom shell 43 sleeved outside the fan base 5 and a front panel 42 detachably covering the mounting opening of the heat-insulating inner shell 1, the fan base 5 and the bottom shell 43 are fixedly connected through a connecting piece, and the split type design is more convenient for the assembly operation of the sheet metal shell 4 sleeved outside the heat-insulating inner shell 1 and the fan base 5; the removable front panel 42 facilitates servicing of the various components within the unit.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principles of the present application are described above in connection with specific embodiments. These descriptions are provided only for the purpose of illustrating the principles of the present application and should not be construed as limiting the scope of the present application in any way. Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification without undue burden from the present disclosure.

Claims (10)

1. New fan of electrified heating function, its characterized in that includes:

the treatment unit (100) comprises a heat-insulating inner shell (1), a fresh air treatment unit and an electric heater (2), wherein a treatment chamber (11) and an air outlet chamber (12) which are arranged up and down are arranged in the heat-insulating inner shell (1), and the fresh air treatment unit is arranged in the treatment chamber (11); an air outlet (121) is formed in the bottom of the air outlet chamber (12), and the electric heater (2) is arranged above the air outlet (121) in the air outlet chamber (12);

the air supply unit (200) is arranged in the floor overhead layer (300), connected to the bottom of the processing unit (100) and communicated with the air outlet (121), and fresh air is directly pumped into the floor overhead layer (300) through the air supply unit (200).

2. The fresh air fan with the electric heating function according to claim 1, wherein the electric heater (2) comprises an electric heater body and a bracket (22), one end of the bracket (22) is fixed on the inner wall of the heat-preserving inner shell (1), the other end of the bracket is connected with the electric heater body, and the electric heater body is suspended and supported above the air outlet (121) through the bracket (22).

3. Fresh air fan with electric heating function according to claim 2, characterized in that the bracket (22) comprises a connecting plate (221) and a first supporting plate (222) and a second supporting plate (223) which are arranged at intervals, one end of each of the first supporting plate (222) and the second supporting plate (223) is fixed on the inner wall of the heat-insulating inner shell (1), the other end of each of the first supporting plate and the second supporting plate is connected with the connecting plate (221), and the electric heater body is arranged on the connecting plate (221).

4. The fresh air fan with the electric heating function according to claim 3, wherein a first clamping plate (2221) is formed by bending one end of the first supporting plate (222) away from the connecting plate (221), a second clamping plate (2231) is formed by bending one end of the second supporting plate (223) away from the connecting plate (221), a first clamping groove (122) and a second clamping groove (123) which are matched with the first clamping plate (2221) and the second clamping plate (2231) are respectively formed in the inner wall of the heat-insulating inner shell (1), and the first clamping plate (2221) and the second clamping plate (2231) are respectively clamped in the first clamping groove (122) and the second clamping groove (123), so that the bracket (22) is fixedly installed in the heat-insulating inner shell (1).

5. The fresh air fan with the electric heating function according to claim 4, wherein one side of the first clamping groove (122) and one side of the second clamping groove (123) facing the installation opening of the heat-insulating inner shell (1) are both open, and the first clamping plate (2221) and the second clamping plate (2231) can be directly inserted into the first clamping groove (122) and the second clamping groove (123) respectively through the installation opening.

6. Fresh air fan with electric heating function according to claim 1, characterized in that the air outlet chamber (12) is also provided with an electric control box (3).

7. The fresh air ventilator with the electric heating function according to claim 6, wherein a limiting plate is arranged in the heat-preserving inner shell (1), and the electric control box (3) is limited on one side of the air outlet (121) close to the mounting opening of the heat-preserving inner shell (1) through the limiting plate.

8. The fresh air fan with the electric heating function according to claim 7, wherein the limiting plates comprise an upper limiting plate (124) and a lower limiting plate (125) which are respectively arranged on the upper side and the lower side of the air outlet chamber (12), and the upper limiting plate (124) and the lower limiting plate (125) are respectively abutted against the upper end and the lower end of the electric control box (3).

9. The fresh air fan with the electric heating function according to claim 8, wherein a third clamping plate (31) and a fourth clamping plate (32) are arranged on one side, facing away from the mounting opening, of the electric control box (3), a third clamping groove (1241) and a fourth clamping groove (1251) are correspondingly arranged on one side, facing towards the mounting opening, of the upper limiting plate (124) and the lower limiting plate (125), and the third clamping plate (31) and the fourth clamping plate (32) can be directly inserted into the third clamping groove (1241) and the fourth clamping groove (1251) through the mounting opening.

10. The fresh air fan with the electric heating function according to claim 1, further comprising a sheet metal shell (4), wherein the sheet metal shell (4) is covered outside the processing unit (100) and the air supply unit (200).