CN217929117U

CN217929117U - New fan

Info

Publication number: CN217929117U
Application number: CN202222331993.3U
Authority: CN
Inventors: 何博文; 陈俊伟; 黄刚; 廖龙辉
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-29
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a new fan, belonging to the technical field of air conditioning equipment, comprising a shell, a heat exchange core, a heat preservation main body and an installation component, wherein the shell is provided with an air inlet, a new air inlet, a return air inlet and an air outlet; the heat preservation main body is of an integrated structure and is arranged in the shell, the heat exchange core body is arranged in the heat preservation main body, and the heat preservation main body and the heat exchange core body are matched to define an air exhaust path and a fresh air path; under the new trend mode, outdoor air can pass through the air intake in proper order, new trend route and new trend wind gap get into indoorly, indoor air can pass through the return air inlet in proper order, it is outdoor to exhaust route and exhaust exit, outdoor air and indoor air can carry out the heat exchange in the heat transfer core, the heat preservation main part plays heat preservation and supporting role, the installing component can include the sensor, the blast gate isotructure, an organic whole is formed with the draw-in groove in the main part that keeps warm, can be with installing component direct mount in corresponding draw-in groove, simplify the mounting structure, it is more convenient to assemble.

Description

New fan

Technical Field

The utility model belongs to the technical field of air conditioning equipment technique and specifically relates to a new fan is related to.

Background

The new fan utilizes the sensor to detect outdoor air quality to whether judge and open the new trend mode, among the correlation technique, the installation of installing component such as sensor in the new fan is unreasonable, and assembly spare part is more, and the assembly is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a new fan makes walking of sensor line structure more reasonable, effectively reduces the risk that condensation water got into the sensor, and the assembly is more high-efficient.

According to the utility model discloses a new fan of first aspect embodiment, include: the shell is provided with an air inlet, a fresh air inlet, a return air inlet and an air outlet; the heat exchange core is arranged in the shell; the heat preservation main body is of an integrated structure and is arranged in the shell, and the heat preservation main body is provided with openings respectively corresponding to the air inlet, the fresh air inlet, the air return inlet and the air outlet; the heat preservation main body and the heat exchange core body are matched to define an air exhaust path communicated with the air return opening and the air exhaust opening and a fresh air path communicated with the air inlet and the fresh air opening; an installation member installed to the heat-insulating main body; the heat insulation main body is integrally formed with a clamping groove matched with the installation part, and the clamping groove is used for installing the installation part.

According to the utility model discloses new fan has following beneficial effect at least:

the heat preservation main body is of an integrated structure and is arranged in the shell, the heat exchange core body is arranged in the heat preservation main body, and the heat preservation main body and the heat exchange core body are matched to define an air exhaust path and a fresh air path; under the new trend mode, outdoor air can pass through the air intake in proper order, new trend route and new trend wind gap get into indoorly, indoor air can pass through the return air inlet in proper order, it is outdoor to exhaust route and exhaust exit discharge, outdoor air and indoor air can carry out the heat exchange in the heat transfer core, can realize the recovery of energy when the new trend is taken a breath, the heat preservation main part plays heat preservation and supporting role, the installation component can include the sensor, the blast gate isotructure, an organic whole is formed with the draw-in groove in the heat preservation main part, can be with installation component direct mount in corresponding draw-in groove, simplify the mounting structure, it is more convenient to assemble.

According to some embodiments of the utility model, the installation part is including the sensor that is used for detecting the air quality, the heat preservation main part includes the bottom plate and connects the frame on the week edge of bottom plate, the inner wall of frame is equipped with first convex part, first convex part is equipped with and is used for the installation the first draw-in groove of sensor.

According to the utility model discloses a some embodiments, the main part that keeps warm still an organic whole is formed with first wire casing, first wire casing's one end connect in the bottom of first draw-in groove, the other end is from the setting of up extending down.

According to some embodiments of the utility model, first wire casing and second cell body including the first cell body and the second cell body that are connected, first cell body set up in the diapire of first draw-in groove, the second cell body set up in the lateral wall of draw-in groove.

According to some embodiments of the utility model, the lateral wall of first convex part be equipped with the mounting groove of first draw-in groove intercommunication, the sensor includes the shell, the shell is equipped with the engaging lug, the engaging lug pass through fastener fixed connection in the mounting groove.

According to the utility model discloses a some embodiments, the lateral wall of first convex part still is equipped with dodges the mouth, dodge the mouth with the mounting groove intercommunication.

According to some embodiments of the utility model, the installation component still includes the fresh air valve, the internal integrated second convex part that is formed with of heat preservation main part, the second convex part is equipped with and is used for the installation the second draw-in groove of fresh air valve, the fresh air valve connect in the air intake to control is opened or is closed the air intake.

According to some embodiments of the utility model, the fresh air valve includes first support and first valve body subassembly, first support be equipped with the inner chamber of air intake intercommunication, first valve body subassembly can be opened or close the inner chamber, first support connect in the second draw-in groove, the outside of first support is equipped with and is used for fixing the line of walking of sensor is buckled.

According to the utility model discloses a some embodiments, the installation component still includes the inner loop blast gate, inner loop blast gate fixed connection in the heat preservation main part and with the heat transfer core body is connected, the inner loop blast gate is located the return air inlet with between the new trend mouth, intercommunication when the inner loop blast gate is opened the return air inlet with the new trend mouth is in order to inject inner loop channel.

According to some embodiments of the utility model, the installation component is still including locating the clarifier in new trend route, heat preservation main part an organic whole is formed with the third convex part, the third convex part is equipped with the third draw-in groove, the clarifier install in the third draw-in groove.

According to some embodiments of the utility model, the heat preservation main part is the foam material.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.

Drawings

FIG. 1 is a perspective view of an assembly structure of a fresh air machine according to an embodiment of the present invention;

FIG. 2 is a schematic front view of an assembly structure of a fresh air machine according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the heat-insulating main body according to an embodiment of the present invention;

FIG. 4 is a schematic view of a portion of an air inlet duct according to an embodiment of the present invention;

FIG. 5 is a schematic view of the assembled fresh air valve and air mass sensor of FIG. 4;

FIG. 6 is a schematic structural view of the assembly of the thermal insulation body and the shell according to an embodiment of the present invention;

fig. 7 is another view structure diagram of the assembly of the thermal insulation main body and the shell according to the embodiment of the invention.

Reference numerals are as follows:

a housing 100; an air inlet 110; a fresh air port 120; an air return opening 130; an air outlet 140; an electronic control box 150;

a heat-insulating main body 200; a frame 201; an opening 2011; a base plate 202; a mounting port 2021; a mounting location 203; an air inlet duct 204; a fresh air duct 205; an air return duct 206; an exhaust air duct 207; a second convex portion 208; a second card slot 2081; the third convex portion 209; third slot 2091; a first support part 210; a second support portion 220; a second wire passing groove 221; the third support portion 230; a third wire passing groove 231; a wind guide part 240; a first sheet metal part 250; a second sheet metal part 260; a third sheet metal part 270; a support 280; the first convex portion 290; a first card slot 291; a first wire passage groove 292; a first channel 2921; a second channel 2922; an installation groove 293; an avoidance port 294;

a heat exchange core 300;

a fresh air blower 400; a second thread clasp 410;

an exhaust fan 500; a third wire clasp 510;

an internal circulation air valve 600; a second bracket 610; a passage port 613; a second valve body assembly 620; a second motor 621; a second valve 622; an internal circulation strainer 623; a communication port 630;

a fresh air valve 700; a first bracket 710; a first thread button 711; a first motor 720; a first valve 730;

a fresh air filter screen 800;

an exhaust screen 900;

a sensor 1000; a coupling lug 1001;

a positive and negative ion generator 1100;

a fresh air blower 2000.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the present invention, such as the upper and lower directions, is the orientation or positional relationship shown in the drawings, and is only for the convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, it should be noted that the words such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in combination with the specific content of the technical solution of the present invention.

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the embodiments described below are some, not all embodiments of the present invention.

Referring to fig. 1 and fig. 2, the utility model discloses new fan 2000 of embodiment, including casing 100, heat preservation main part 200 and heat exchange core 300, casing 100 is equipped with air intake 110, new wind gap 120, return air inlet 130 and exhaust outlet 140, and heat preservation main part 200 is the integral type foam spare that adopts the foam preparation to form, and heat preservation main part 200 is installed in casing 100, and heat preservation main part 200 matches with the inner chamber of casing 100, makes heat preservation main part 200 can fasten in casing 100. The heat exchange core 300 is installed in the heat preservation main body 200, a first heat exchange channel (not shown in the drawings) and a second heat exchange channel (not shown in the drawings) are arranged in the heat exchange core 300, the heat preservation main body 200 is matched with the heat exchange core 300, so that the first heat exchange channel is communicated with the air inlet 110 and the fresh air inlet 120 to form a fresh air path, the second heat exchange channel is communicated with the air return inlet 130 and the air exhaust outlet 140 to form an air exhaust path, a dotted line P1 with an arrow shown in fig. 1 represents the fresh air path, and a dotted line P2 with an arrow represents the air exhaust path.

Referring to fig. 1 and 3, fig. 3 is a schematic view showing an overall structure of the thermal insulation main body 200. It can be understood that the heat preservation main body 200 includes a bottom plate 202 and a frame 201, the frame 201 is disposed along the periphery of the bottom plate 202, the frame 201 cooperates with the bottom plate 202 to define an inner cavity of the heat preservation main body 200, the frame 201 and the bottom plate 202 are of an integrally formed structure, wherein the frame 201 is provided with four openings 2011, the four openings 2011 are in one-to-one correspondence with the air inlet 110, the fresh air inlet 120, the air return 130 and the air exhaust 140, so that the inner cavity of the heat preservation main body 200 is communicated with the air inlet 110, the fresh air inlet 120, the air return 130 and the air exhaust 140.

Referring to fig. 3, the inner wall of the bezel 201 is provided with a first support portion 210, a second support portion 220, and a third support portion 230 distributed along the circumferential direction of the case 100. The first supporting part 210, the second supporting part 220 and the third supporting part 230 are sequentially distributed on three side walls of the frame 201, the first supporting part 210, the second supporting part 220 and the third supporting part 230 are all connected with the heat exchange core 300, the heat exchange core 300 is limited by the cooperation of the first supporting part 210, the second supporting part 220 and the third supporting part 230, reliable support can be provided for the heat exchange core 300 along the circumferential direction, the temperature difference between the shell 100 and the indoor air can be reduced through the heat preservation main body 200, condensation can be reduced, the heat preservation main body 200 can play a role in heat preservation and support, and additional supporting components are not required to be added. In some embodiments, the thermal insulation main body 200 may be made of Expanded Polystyrene (EPS), expanded polypropylene (EPP), and the like, and has characteristics of shock resistance, thermal insulation, and the like, and the material of the thermal insulation main body 200 is not limited to foam, and may also be made of thermal insulation cotton, and the like.

The first support portion 210, the second support portion 220, and the third support portion 230 are formed to protrude from the inner wall of the frame 201, and the first support portion 210, the second support portion 220, and the third support portion 230 are formed integrally with the thermal insulation main body 200 by foaming, so that structural strength can be improved without adding a reinforcing member between each support portion and the thermal insulation main body 200. The first support portion 210, the second support portion 220, and the third support portion 230 may be fixedly connected to the base plate 202, or may be connected to the frame 201 and the base plate 202 at the same time.

Referring to fig. 3 and 6, it can be understood that the new fan 2000 of the embodiment of the present invention further includes an internal circulation air valve 600, the first support part 210, the second support part 220, the third support part 230 and the internal circulation air valve 600 cooperate to define an installation position 203 matching with the heat exchange core 300, a space shown by a square dotted line in fig. 6 is the installation position 203, the heat exchange core 300 can be assembled in the installation position 203, and an installation opening 2021 corresponding to the installation position 203 is opened on the bottom plate 202 of the heat preservation main body 200, and an access opening corresponding to the installation opening 2021 is opened at the bottom of the casing 100, and the heat exchange core 300 is assembled in the installation position 203 through the access opening and the installation opening 2021; the size of the mounting position 203 can be adjusted by changing the positions and the protruding sizes of the first support part 210, the second support part 220 and the third support part 230, so that the heat exchange core 300 with different shapes and sizes can be matched. During the installation with heat preservation main part 200 directly assemble to casing 100 in, heat exchange core 300 assembles installation position 203, and is simple and convenient to operate, heat preservation main part 200 need not the concatenation, for the structure that adopts the foam concatenation among the correlation technique, heat preservation main part 200 adopts the overall structure of integral type foam spare can effectively solve because of the condensation phenomenon that sealed not enough leads to between the foam, has enough high intensity, reduce the quantity of part, be favorable to save material cost and mould cost, the assembly structure is greatly simplified, reduce the man-hour that the assembly consumed, effectively improve assembly efficiency.

It should be noted that, in some embodiments, in a case that the internal circulation air valve 600 does not need to be installed, a fourth support portion (not shown in the drawings) may be disposed in the heat preservation main body 200, the return air duct 206 and the fresh air duct 205 are separated by the fourth support portion, the first support portion 210, the second support portion 220, the third support portion 230 and the fourth support portion cooperate to define an installation position 203, and support the heat exchange core 300, and specific structures of the fourth support portion may refer to the structures of the first support portion 210, the second support portion 220 and the third support portion 230 in the foregoing embodiments, and details are not described again.

Referring to fig. 1 and 2, it can be understood that the new air blower 2000 further includes a new air blower 400 and an exhaust air blower 500, the new air blower 400 and the exhaust air blower 500 are both installed in the insulation main body 200, the air inlet 110, the first heat exchange channel and the new air inlet 120 are communicated, the air return 130, the second heat exchange channel and the exhaust outlet 140 are communicated, the new air blower 400 is disposed in the new air duct 205 and connected with the new air inlet 120, and the exhaust air blower 500 is disposed in the exhaust air duct 207 and connected with the exhaust outlet 140. The air inlet 110 and the air outlet 140 are arranged at one side of the shell 100, the air return opening 130 and the fresh air opening 120 are arranged at the other side of the shell 100, the air inlet 110 and the air outlet 140 can be communicated with an outdoor environment through an air pipe, the air return opening 130 and the fresh air opening 120 can be communicated with an indoor environment through an air pipe, and when the air conditioner works, outdoor air is sucked from the air inlet 110 by the fresh air fan 400 and enters a room through the first heat exchange channel and the fresh air opening 120; the exhaust fan 500 sucks the indoor air from the return air inlet 130, and exhausts the indoor air to the outside through the second heat exchange channel and the exhaust outlet 140, so that the fresh air is introduced into the room, and meanwhile, the indoor dirty air is exhausted to the outside, and the indoor air quality is improved; outdoor air and indoor air can carry out the heat exchange in heat transfer core 300, and outdoor air absorbs the heat of indoor air and sends back to indoor, can realize the recovery of energy when the new trend is taken a breath, reduces indoor air conditioning's load.

Referring to fig. 1 and fig. 2, in the embodiment of the present invention, the internal circulation air valve 600 is fixedly connected in the heat preservation main body 200, the internal circulation air valve 600 is located between the return air duct 206 and the new air duct 205, the heat preservation main body 200 and the heat exchange core 300 cooperate to define the inlet air duct 204 and the exhaust air duct 207, the heat preservation main body 200, the new air duct 205 and the return air duct 206 are defined with the internal circulation air valve 600, the inlet air duct 204, the new air duct 205, the return air duct 206 and the exhaust air duct 207 are respectively communicated with the installation site 203, after the heat exchange core 300 is assembled to the installation site 203, the inlet air duct 204 communicates the air inlet 110 and the first heat exchange channel, the new air duct 205 communicates the new air duct 120 and the first heat exchange channel, the return air duct 206 communicates the return air inlet 130 and the second heat exchange channel, the exhaust air duct 207 communicates the exhaust air outlet 140 and the second heat exchange channel. The air inlet duct 204, the fresh air duct 205, the return air duct 206 and the exhaust air duct 207 are distributed along the circumferential direction of the heat exchange core 300, the fresh air fan 400 is installed in the fresh air duct 205, and the exhaust air fan 500 is installed in the exhaust air duct 207; outdoor air sequentially passes through the air inlet 110, the air inlet duct 204, the first heat exchange channel, the fresh air duct 205 and the fresh air inlet 120 to enter the room, and indoor air sequentially passes through the air return inlet 130, the air return duct 206, the second heat exchange channel, the air exhaust duct 207 and the air outlet 140 to be exhausted out of the room, so that the outdoor air and the indoor air respectively carry out fresh air ventilation along independent air ducts, the whole structure is compact, the miniaturized design of the shell 100 can be realized, and the adaptability of an installation scene is improved.

Referring to fig. 1 and 2, it can be understood that the fresh air fan 2000 of the embodiment further includes a mounting component, the mounting component includes a fresh air valve 700, a sensor 1000 and a purifier, a slot adapted to the size of the mounting component is integrally formed in the heat preservation main body 200, and the mounting component is mounted in the corresponding slot, so that the number of mounting parts is effectively reduced, the structure is simplified, and the assembly is simpler and more convenient.

Referring to fig. 1 and 2, it can be understood that the fresh air fan 2000 of the embodiment further includes a fresh air valve 700, the fresh air valve 700 is disposed in the intake air duct 204, and the fresh air valve 700 is used for controlling opening or closing of the intake vent 110. When the fresh air mode is started, the fresh air valve 700 is opened, the internal circulation air valve 600 is closed, the return air duct 206 is not communicated with the fresh air duct 205, fresh air is introduced from the outside by the fresh air fan 400, indoor dirty air is discharged by the exhaust air fan 500, heat exchange is carried out through the heat exchange core 300, and indoor air is in a fresh state. When air exchange is not needed or outdoor air is polluted, the new air fan 2000 opens an internal circulation mode, the internal circulation air valve 600 opens, the return air duct 206 and the new air duct 205 are communicated through the channel port 613 of the internal circulation air valve 600 to form an internal circulation channel, the internal circulation air valve 600 can control the return air duct 206 to be closed, the new air valve 700 controls the air inlet 110 to be closed, outdoor air cannot enter the room, indoor air flows back to the room through the return air inlet 130, the internal circulation air valve 600 and the new air inlet 120 to realize the circulation flow of the indoor air, the indoor air is filtered by the internal circulation filter screen 623 at the channel port 613, the indoor air can be filtered and purified during the circulation flow, and the indoor air quality is improved.

Referring to fig. 2, the sensor 1000 of the embodiment is an air quality sensor, the air quality sensor is a detection device in which a plurality of sensing devices are integrated, and the detection device can be used to detect data such as temperature, humidity, PM2.5 concentration, and carbon dioxide concentration of outdoor air, determine the quality of the outdoor air according to the data detected by the sensor 1000, and open the internal circulation mode of the fresh air blower 2000 when the outdoor air quality is low, and close the air inlet 110 by using the fresh air valve 700, so that the outdoor air does not enter the room, and the cleanliness of the indoor air is maintained.

Referring to fig. 4 and 5, fig. 4 is a partial structural schematic view of the air intake duct 204 in the thermal insulation main body 200, and fig. 5 is a partial structural schematic view of the fresh air valve 700 and the sensor 1000 installed in the air intake duct 204. It can be understood that a first clamping groove 291 and a first line passing groove 292 are arranged in the air inlet duct 204, the first clamping groove 291 and the first line passing groove 292 are integrally formed with the heat preservation main body 200, the sensor 1000 is installed in the first clamping groove 291, and wire harnesses such as a power supply line and a signal line of the sensor 1000 are routed through the first line passing groove 292. One end of the first wire passing groove 292 is connected to the bottom of the first locking groove 291, and the other end thereof extends from bottom to top.

Referring to fig. 5, the sensor 1000 includes a housing, a plurality of sensing devices are installed in the housing, a wiring harness of the sensor 1000 is led out from the bottom of the housing, the lower end of the sensor 1000 is inserted into a first clamping groove 291 for fixing during installation, the upper portion of the sensor 1000 is exposed in the air inlet duct 204, and a through hole is formed in the upper surface of the housing, so that the sensing devices can detect the air quality state in real time, and the assembly is simple, convenient and quick. After the sensor 1000 is installed in place, the wire harness can enter the first wire passing groove 292 from the bottom of the first clamping groove 291, and is routed from bottom to top along the first wire passing groove 292. When the pencil produced the condensation water, the condensation water can follow the pencil from top to bottom and flow to the bottom of first draw-in groove 291, makes the condensation water can not flow back in sensor 1000, and greatly reduced condensation water gets into the inside risk of sensor 1000, improves the stability of sensor 1000 operation.

Referring to fig. 4, it can be understood that the inner wall of the frame 201 is provided with a first protrusion 290, the first protrusion 290 is fixedly connected with the frame 201 and the bottom plate 202, and the first protrusion 290 is integrally formed with the thermal insulation main body 200. The upper end surface of the first protrusion 290 is recessed downward to form a first engaging groove 291 and a first wire passing groove 292, wherein the height of the first wire passing groove 292 is greater than that of the first engaging groove 291, so that the lower end of the first wire passing groove 292 can be communicated with the bottom of the first engaging groove 291. In the air intake duct 204, the frame 201 includes a first frame wall and a second frame wall, the opening 2011 corresponding to the air inlet 110 is disposed on the first frame wall, the first protrusion 290 is disposed on the second frame wall and is close to the air inlet 110, and after the outdoor air enters the air intake duct 204 through the air inlet 110, the sensor 1000 can quickly detect the quality condition of the outdoor air.

Referring to fig. 4, in particular, the first wire passing groove 292 includes a first groove body 2921 and a second groove body 2922, the first groove body 2921 is disposed on the bottom wall of the first card slot 291, the first groove body 2921 extends from the bottom of the first card slot 291 toward a direction away from the first card slot 291, the lower end of the second groove body 2922 is communicated with the first groove body 2921, and the second groove body 2922 is disposed on the side wall of the first card slot 291, that is, the first groove body 2921 extends in the horizontal direction, and the second groove body 2922 extends in the vertical direction, so that the first wire passing groove 292 is substantially L-shaped, and the bottom wall and the side wall of the first card slot 291 are both communicated with the first wire passing groove 292, and when assembling, the wire harness is conveniently fixed in the first groove body 2921 and the second groove body 2922.

Referring to fig. 4, it can be understood that a mounting groove 293 is formed in a side wall of the first protrusion 290 away from the second frame wall, the mounting groove 293 is communicated with the first slot 291, a connection lug 1001 is formed on the housing of the sensor 1000, and the connection lug 1001 is fixedly connected to the mounting groove 293 by a fastener. Wherein, the diapire of mounting groove 293 is close to the diapire of first draw-in groove 291, and the accessible sets up the built-in fitting in first convex part 290 department, utilizes the screw to connect engaging lug 1001 and built-in fitting, makes sensor 1000 fixed connection in first draw-in groove 291, and the structure is more reliable and more stable, avoids appearing the problem of pine taking off. It should be noted that, the sidewall of the first protrusion 290 is further provided with an avoiding opening 294, the avoiding opening 294 is communicated with the mounting groove 293, the avoiding opening 294 can understand a gap of one sidewall of the mounting groove 293, the size of the notch of the mounting groove 293 can be increased through the avoiding opening 294, the assembly of the engaging lug 1001 in the mounting groove 293 is facilitated, and the assembly efficiency is improved.

Referring to fig. 5, the fresh air valve 700 includes a first bracket 710 and a first valve body assembly disposed on the first bracket 710, the first bracket 710 has an inner cavity communicated with the air inlet 110, and the first valve body assembly can open or close the inner cavity, so as to open or close the air inlet 110. Referring to fig. 4, the first frame wall is provided with a second protrusion 208, the second protrusion 208 is provided with a second groove 2081, the lower end of the first bracket 710 is connected to the second groove 2081, and the second groove 2081 plays a role in positioning, so that the assembly is more convenient. The first frame wall may be provided with an embedded part, and the first bracket 710 may be fixedly connected to the embedded part by a fastener, so that the assembling structure of the fresh air valve 700 is stable and reliable.

It should be noted that the first valve body assembly includes a first motor 720 and a first valve 730, the first valve 730 is rotatably connected to the inner cavity of the first bracket 710, the first motor 720 is fixedly connected to the outer side of the first bracket 710, and the first motor 720 can drive the first valve 730 to open or close the inner cavity through a driving shaft, so that the fresh air valve 700 is matched with the internal circulation air valve 600 to realize the switching between the fresh air mode and the internal circulation mode.

Referring to fig. 5, it can be understood that the first bracket 710 has an outer wall surface provided with a first thread 711, and the first thread 711 is integrally formed with the first bracket 710; the wire harness of the sensor 1000 is led out through the first wire passing groove 292 and then fixed on the first wire buckle 711, so that the wire harness of the sensor 1000 is sequentially led out through the first wire passing groove 292 and the first wire buckle 711 for wiring, the wiring structure is reasonable in design, the assembly is simple and convenient, the fixing is carried out without depending on additional structures such as a rolling belt and a buckle, and the assembly is simple and convenient. The dashed line P6 shown in fig. 5 is the trace path of the sensor 1000.

Referring to fig. 1 and 2, it can be understood that the wires of the sensor 1000 and the fresh air valve 700 need to be connected to the electronic control box 150 of the fresh air blower 2000, and in the embodiment, the electronic control box 150 is installed on the outer side wall of the casing 100 and is located at a side close to the fresh air duct 205 and the exhaust air duct 207, so that the wires of the sensor 1000 and the fresh air valve 700 need to extend to the fresh air duct 205 through the inlet air duct 204 and the exhaust air duct 207, and then pass through the thermal insulation main body 200 and the casing 100 to be connected to the electronic control box 150. Set up the second in the main part 200 of keeping warm and cross line groove 221 and third and cross line groove 231, the second crosses line groove 221 intercommunication air inlet duct 204 and air exhaust duct 207, the third crosses line groove 231 and communicates fresh air duct 205 and air exhaust duct 207, sensor 1000 and new trend valve 700 walk the line and reach fresh air duct 205 after passing through second cross line groove 221 and third cross line groove 231 in proper order, it can play the effect of fixed line to cross line through second cross line groove 221 and third cross line groove 231, it is more firm to make the line structure, need not to increase on the main part 200 of keeping warm and roll the area, the panel beating, fixed line of structure such as buckle, effectively reduce spare part quantity, save material cost, and is easy and simple to handle, and effectively improves assembly efficiency.

Referring to fig. 6 and 7, the internal circulation air valve 600 includes a second bracket 610 and a second valve body assembly 620 mounted on the second bracket 610, the second bracket 610 is fixedly connected in the heat preservation main body 200, and the second bracket 610 is provided with a passage port 613 for communicating the return air duct 206 and the fresh air duct 205; when the fresh air mode is started, the second valve body assembly 620 closes the passage port 613; the second valve body assembly 620 opens the passage port 613 when the internal circulation mode is turned on.

Referring to fig. 2, a dotted line P4 shown in fig. 2 is a routing path of the fresh air valve 700, and a dotted line P5 shown in fig. 2 is a routing path of the internal circulation air valve 600. As can be understood from fig. 3, the second wire guiding groove 221 is disposed on the upper end surface of the second supporting portion 220, and the third wire guiding groove 231 is disposed on the upper end surface of the third supporting portion 230, so that the second wire guiding groove 221 and the third wire guiding groove 231 can be integrally formed, and the assembly of the wires is more convenient. It should be noted that, after the assembly of the wires is completed, the wires can be further limited in the corresponding wire passing grooves through the top plate of the housing 100, so as to avoid the loose of the wires.

Referring to fig. 1 and 2, it should be noted that the fresh air fan 400 and the exhaust air fan 500 are both centrifugal fans, the fresh air fan 400 and the exhaust air fan 500 respectively include a volute, a wind wheel and a driving motor, the wind wheel is installed in the volute, and the driving motor drives the wind wheel to rotate in the volute. A plurality of second wire buckles 410 are arranged on the surface of the volute of the fresh air fan 400, and a plurality of third wire buckles 510 are arranged on the surface of the volute of the exhaust air fan 500; the wires of the internal circulation air valve 600 enter the fresh air duct 205, and the wires of the internal circulation air valve 600 are fixed in the fresh air duct 205 by the second wire fastener 410, so that the wire structure is firmer, and the influence on the operation of the fresh air fan 400 caused by the loosening of the wires is avoided; the wires of the sensor 1000 and the fresh air valve 700 enter the air exhaust duct 207 after passing through the second wire passing groove 221, and the wires are fixed in the air exhaust duct 207 by using the third wire fastener 510, so that the influence on the operation of the air exhaust fan 500 caused by the loosening of the wires is avoided.

Referring to fig. 7, it can be understood that the purifier is a positive and negative ion generator 1100, the positive and negative ion generator 1100 is installed in the fresh air duct 205, the third protrusion 209 is disposed on the inner wall of the frame 201, a third locking groove 2091 is formed on the third protrusion 209, the positive and negative ion generator 1100 is installed in the third locking groove 2091, and the third locking groove 2091 and the heat preservation main body 200 are integrally formed, so that the number of parts is further reduced, and the assembly is simple. The positive and negative ion generator 1100 can generate positive and negative ions to instantaneously release energy in the air by neutralizing positive and negative charges, thereby causing the change of the surrounding bacterial structure and the transfer of energy, and playing the roles of sterilization and deodorization; under the fresh air mode and the internal circulation mode, the air can be purified by the positive and negative ion generator 1100, and the indoor air quality is improved.

Referring to fig. 6 and 7, it can be understood that the first support part 210 is provided with a first sheet metal part 250 on the side facing the heat exchange core 300, the second support part 220 is provided with a second sheet metal part 260 on the side facing the heat exchange core 300, the third support part 230 is provided with a third sheet metal part 270 on the side facing the heat exchange core 300, and the first sheet metal part 250, the second sheet metal part 260 and the third sheet metal part 270 are all connected with the heat exchange core 300. First sheet metal component 250, second sheet metal component 260 and third sheet metal component 270 are favorable to improving the structural strength who corresponds the bearing portion position, make each bearing portion more reliable and more stable to heat exchange core 300's bearing structure.

Referring to fig. 6, it can be understood that the first sheet metal part 250, the second sheet metal part 260, the third sheet metal part 270 and the internal circulation air valve 600 cooperate to define the installation position 203, and the three sheet metal parts all extend along the height direction of the casing 100, specifically, extend from the bottom wall of the casing 100 to the top wall of the casing 100, so that the first sheet metal part 250, the second sheet metal part 260 and the third sheet metal part 270 serve as stressed parts of the heat preservation main body 200, can play a role in supporting the heat exchange core 300 and the casing 100, and is beneficial to improving the overall structural strength of the fresh air fan 2000. It should be noted that, the whole heat exchange core 300 is square, the heat exchange core 300 has four corners along the circumference, the corners can also be understood as the corners of the heat exchange core 300, the first sheet metal part 250, the second sheet metal part 260, the third sheet metal part 270 and the second support 610 are respectively provided with a positioning groove connected with the corners of the heat exchange core 300, during installation, the corners of the heat exchange core 300 are inserted into the installation position 203 from the positioning groove along the height direction, so that the heat exchange core 300 can be quickly assembled into the new fan 2000, and the assembly efficiency is high. In addition, a foam board (not shown in the figure) is disposed between the heat insulation main body 200 and the top plate of the casing 100, and the foam board can cover the air inlet duct 204, the fresh air duct 205, the return air duct 206 and the air exhaust duct 207, so as to improve the heat insulation performance.

Referring to fig. 1 and 2, the new air blower 2000 further includes a new air filter screen 800 and an exhaust filter screen 900, the new air filter screen 800 is disposed in the air intake duct 204, and the exhaust filter screen 900 is disposed in the air return duct 206, it can be understood that one end of the new air filter screen 800 is fixed to the first sheet metal part 250, and the other end of the new air filter screen 800 is fixedly connected to the second sheet metal part 260, so that the new air filter screen 800 is fixed in the air intake duct 204; one end of the air exhaust filter screen 900 is fixedly connected to the first sheet metal part 250, and the other end of the air exhaust filter screen 900 is fixed to the second bracket 610, so that the air exhaust filter screen 900 is fixed in the return air duct 206.

Referring to fig. 1, it can be understood that when the fresh air mode is turned on, the outdoor air sequentially passes through the air inlet 110, the fresh air valve 700, the fresh air filter screen 800, the first heat exchange channel, the fresh air blower 400 and the fresh air inlet 120 and then enters the room, and the fresh air filter screen 800 can filter the outdoor air, so that the fresh air entering the room is cleaner; the indoor air passes through the air return opening 130, the exhaust filter screen 900, the second heat exchange channel, the exhaust fan 500 and the exhaust opening 140 in sequence and is exhausted to the outside. Because outdoor air and indoor air all get into heat exchange core 300 after filtering, dust, impurity etc. in the filterable air reduce the pollution to heat exchange core 300, are favorable to improving heat exchange core 300's life. The fresh air filter screen 800 can be a high-efficiency filter screen, so that the indoor air is ensured to have higher cleanliness; the exhaust filter 900 may be a primary filter, which can effectively filter contaminants such as dust particles in the air, and the form of the fresh air filter 800 and the exhaust filter 900 is not particularly limited.

Referring to fig. 6 and 7, it can be understood that the second bracket 610 defines a passage port 613 therein, the second valve body assembly 620 includes a second motor 621, a second valve 622 and an internal circulation filter 623, the second valve 622 is connected to the second motor 621 through a rotating shaft, the second motor 621 can drive the second valve 622 to rotate around the rotating shaft, so that the second valve 622 can open or close the passage port 613, the internal circulation filter 623 is disposed in the passage port 613, when the second valve 622 is opened, the return air port 130, the passage port 613 and the fresh air port 120 are communicated to form an internal circulation air duct, the indoor air circulates through the internal circulation air duct and is filtered by the internal circulation filter 623, as can be understood from fig. 1, the dotted line with an arrow P3 shown in fig. 1 indicates an air supply path of the internal circulation, and the internal circulation filter 623 can be a high-efficiency filter, a formaldehyde removal filter, etc., thereby effectively improving the quality of the indoor air.

Referring to fig. 6 and 7, it can be understood that a wind guide portion 240 is arranged in the return wind duct 206, the wind guide portion 240 protrudes from the inner wall of the heat preservation main body 200, the top end of the wind guide portion 240 is connected with the second bracket 610 through a support member 280, a communication opening 630 is defined by the support member 280, the wind guide portion 240 and the second bracket 610 in a matching manner, and the communication opening 630 is located between the return wind opening 130 and the heat exchange core 300. When the fresh air blower 2000 starts the internal circulation mode, the second motor 621 drives the second valve 622 to open the passage opening 613, and further drives the second valve 622 to rotate by a certain angle to reach the communication opening 630, so that the second valve 622 closes the communication opening 630, that is, the second valve 622 is switched from the position of the passage opening 613 to the position of the communication opening 630 under the driving of the first motor 720, at this time, the indoor air is not discharged to the outside, and the fresh air valve 700 closes the air inlet 110, so that the indoor air circularly flows along the internal circulation air duct.

It should be noted that, as can be understood from fig. 2, after the new air blower 2000 is turned on to the internal circulation mode, the indoor air is circulated through the passage port 613. If under the condition that second valve 622 does not close intercommunication mouth 630, because exhaust port 140 and return air inlet 130 intercommunication, under outdoor microthermal condition, outdoor cold air can pass through exhaust port 140 and intercommunication mouth 630 and get into passway port 613, makes indoor temperature reduce, influences user experience, and outdoor cold air still can form the condensation with indoor warm air contact including in addition in circulation blast gate 600 department, leads to the inside water storage of new fan 2000, causes the condition that new fan 2000 drips.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. New fan, its characterized in that includes:

the shell is provided with an air inlet, a fresh air inlet, a return air inlet and an air outlet;

the heat exchange core is arranged in the shell;

the heat preservation main body is of an integrated structure and is arranged in the shell, and the heat preservation main body is provided with openings respectively corresponding to the air inlet, the fresh air inlet, the air return inlet and the air outlet; the heat preservation main body and the heat exchange core body are matched to define an air exhaust path communicated with the air return opening and the air exhaust opening and a fresh air path communicated with the air inlet and the fresh air opening;

an installation member installed to the heat-insulating main body;

the heat insulation main body is integrally formed with a clamping groove matched with the installation part, and the clamping groove is used for installing the installation part.

2. The new fan of claim 1, wherein the mounting component comprises a sensor for detecting air quality, the heat preservation main body comprises a bottom plate and a frame connected with the periphery of the bottom plate, a first protruding portion is arranged on the inner wall of the frame, and a first clamping groove for mounting the sensor is formed in the first protruding portion.

3. The fresh air fan as claimed in claim 2, wherein the heat preservation main body is further integrally formed with a first wire passing groove, one end of the first wire passing groove is connected to the bottom of the first clamping groove, and the other end of the first wire passing groove extends from bottom to top.

4. The fresh air machine of claim 3, wherein the first wire passing groove comprises a first groove body and a second groove body which are connected, the first groove body is arranged on the bottom wall of the first clamping groove, and the second groove body is arranged on the side wall of the clamping groove.

5. The new fan of claim 2, wherein a mounting groove communicated with the first clamping groove is formed in a side wall of the first convex portion, the sensor comprises a shell, the shell is provided with a connecting lug, and the connecting lug is fixedly connected into the mounting groove through a fastening piece.

6. The fresh air machine of claim 5 wherein the sidewall of the first protrusion is further provided with an avoidance port, the avoidance port being in communication with the mounting groove.

7. The fresh air fan as claimed in claim 2, wherein the mounting member further comprises a fresh air valve, a second protrusion is integrally formed in the heat preservation main body, the second protrusion is provided with a second clamping groove for mounting the fresh air valve, and the fresh air valve is connected to the air inlet to control opening or closing of the air inlet.

8. The fresh air machine of claim 7, wherein the fresh air valve comprises a first support and a first valve body assembly, the first support is provided with an inner cavity communicated with the air inlet, the first valve body assembly can open or close the inner cavity, the first support is connected to the second clamping groove, and a wire buckle for fixing the routing of the sensor is arranged on the outer side of the first support.

9. The new fan of claim 1, wherein the mounting component further comprises an internal circulation air valve, the internal circulation air valve is fixedly connected to the heat preservation main body and connected with the heat exchange core body, the internal circulation air valve is arranged between the air return opening and the new air opening, and when the internal circulation air valve is opened, the air return opening and the new air opening are communicated to define an internal circulation channel.

10. The fresh air machine as claimed in claim 9, wherein the mounting member further comprises a purifier disposed on the fresh air path, the heat-insulating main body is integrally formed with a third protrusion, the third protrusion is provided with a third locking groove, and the purifier is mounted on the third locking groove.

11. The new fan of any one of claims 1 to 10 wherein the insulation body is a foam material.