CN111594919A - An integrated dry fan coil unit - Google Patents

Abstract

The application discloses an integrated dry type fan coil, relates to the technical field of fan coils, and aims to solve the problem that the installation process is complex and tedious due to the fact that a condensate water system pipeline is arranged in the existing dry type fan coil. The application provides a dry-type fan coil includes: the air duct is formed in the shell, and an air return opening and an air supply opening which are communicated with the air duct are formed in the shell; the fan is arranged in the air duct; the heat exchange coil is arranged in the air duct and is positioned between the fan and the air supply outlet; the guide plate, the guide plate is installed in the casing, the fan is located the below of guide plate, heat exchange coil is located the top of guide plate, the fan includes the spiral case and installs wind wheel in the spiral case, the air outlet of spiral case up, the guide plate can with the comdenstion water that heat exchange coil surface produced leads to in the spiral case. The dry fan coil of the present application is used to condition indoor air.

Description

An integrated dry fan coil unit

technical field

The present application relates to the technical field of fan coil units, and in particular, to an integrated dry-type fan coil unit.

Background technique

The fan coil unit is referred to as the fan coil unit, which is one of the end devices of the air conditioning system composed of the fan, the motor and the heat exchange coil. When the chilled water or hot water flows through the tube of the heat exchange coil, it exchanges heat with the air outside the tube, so that the air is cooled, dehumidified or heated, so as to adjust the indoor air parameters. Fan coil unit is a commonly used cooling and heating terminal device.

The design conditions of the chilled water of the dry fan coil unit and the conventional fan coil unit are different. Among them, the water supply temperature of the chilled water of the dry fan coil unit is usually about 16 ℃, while the chilled water of the conventional fan coil unit The temperature of the water supply is generally 7 ℃, so the dry fan coil unit and the conventional fan coil unit cannot be replaced with each other. It is precisely because the water supply temperature of the chilled water under the design conditions of the dry fan coil is generally higher than the air dew point temperature of the operating environment, so no condensed water is generated on the surface of the coil during the air cooling process, that is, the dry fan coil is realized. cooling process.

However, the shell of the dry-type fan coil unit in the prior art is provided with a fan 01 and a heat exchange coil 02. In order to prevent the fluctuation of the wet load in the indoor space from causing an increase in the indoor wet load in a short time, the Condensed water appears on the surface of the coil, and there is still a condensed water sump 03 below the heat exchange coil 02, and a condensed water system pipe 04 for exporting the condensed water in the condensed water sump 03, as shown in Figure 1. Show. At the same time, in order to ensure that the condensed water can be discharged smoothly, the above-mentioned condensed water system pipeline 04 needs to have a suitable slope, which makes the installation process of the existing dry fan coil unit complicated and cumbersome.

SUMMARY OF THE INVENTION

The integrated dry-type fan coil unit provided by the embodiment of the present application is used to solve the problem that the existing dry-type fan coil unit is provided with a condensed water system pipeline, which causes its installation process to be complicated and tedious.

The integrated dry-type fan coil unit provided by the embodiment of the present application includes: a casing, an air duct is formed in the casing, and a return air port and an air supply port communicating with the air duct are opened on the casing; The fan is installed in the air duct; the heat exchange coil is installed in the air duct and is located between the fan and the air supply port; a deflector, the deflector is installed In the casing, the fan is located below the guide plate, the heat exchange coil is located above the guide plate, the fan includes a volute, and a fan installed in the volute wheel, the air outlet of the volute is upward, and the deflector can guide the condensed water generated on the surface of the heat exchange coil into the volute.

The heat exchange coil in the embodiment of the present application is located above the deflector, that is, the heat exchange coil is installed in the upper space of the shell. A small amount of condensed water generated on the surface of the heat exchange coil will flow downward under the action of gravity and accumulate on the upper surface of the deflector, and then the accumulated condensed water will flow to the volute of the fan under the guidance of the deflector In the embodiment of the present application, the inner space of the volute is used to store a small amount of condensed water on the surface of the heat exchange coil, so that the condensed water is temporarily stored in the volute, and the condensed water can be sucked by the fan after the humidity load of the indoor space returns to normal. The incoming dry air evaporates, and the condensate water pan and condensate water system pipes in the prior art are cancelled in the embodiment of the present application, that is, the above-mentioned integrated dry fan coil unit of the present application does not need to install condensate water system pipes during the installation process. , thereby simplifying the installation steps and installation costs of the integrated dry fan coil unit.

In some embodiments, the guide plate is provided with a guide port, the guide port and the air outlet of the volute are arranged opposite to each other, and the guide port is located at the horizontal projection of the guide port. The inner side of the air outlet of the volute ensures that all the condensed water generated on the surface of the heat exchange coil flows into the volute.

In some embodiments, the baffles are arranged horizontally, which is beneficial to reduce the height of the casing.

In some embodiments, the above-mentioned integrated dry-type fan coil unit further includes: a flow guide member, the flow guide member is disposed at the flow guide port and is located on the side of the flow guide plate close to the fan , the deflector is used to guide the condensed water on the deflector to the inner wall of the volute, so as to prevent the condensed water from dripping on the impeller of the fan and entering the air duct under the rotation of the impeller.

In some embodiments, the air guide is a flange formed downward at the edge of the air guide, so that the structure of the air guide is simple and easy to implement.

In some embodiments, on the cross section of the flow guide, the lower edge of the flange is in contact with the upper edge of the air outlet of the volute, or a part of the flange is located in the volute , so as to better ensure that the condensed water flows along the inner wall of the flange to the inner wall of the volute, and then flows to the bottom of the volute under the action of gravity.

In some embodiments, the above-mentioned integrated dry-type fan coil unit further includes: a baffle plate, the baffle plate is arranged in an up-down direction, the upper edge of the baffle plate is sealedly connected with the lower surface of the baffle plate, the baffle plate is The lower edge of the partition plate is sealedly connected with the inner wall of the bottom plate of the casing, the casing and the partition plate form the U-shaped air duct with the opening facing downward, and the outer peripheral edge of the deflector is connected to the The side walls of the casing are sealed and connected, and the air guide plate is also provided with an air guide port, and the air return port, the air guide port and the fan are all located on the first side of the partition plate. The air guide openings are all located on the second side of the partition plate, and the air supply openings are located below the guide plate. The flow direction of the heated air is changed, which is beneficial to reduce the overall height of the above-mentioned integrated dry-type fan coil unit.

In some embodiments, the above-mentioned integrated dry-type fan coil unit further includes: an overflow prevention member, the overflow prevention member is disposed at the air guide port, and is located on the air guide plate and close to the heat exchange plate On one side of the pipe, the overflow prevention member can prevent the condensed water generated on the surface of the heat exchange coil from flowing out of the air guide, which affects user experience.

In some embodiments, the overflow prevention member is a flange formed upward at the edge of the air guide, so that the overflow prevention member has a simple structure and is easy to implement.

In some embodiments, the casing is further provided with a fresh air outlet, the partition plate, the part of the baffle plate located on the second side of the partition plate, and the casing located on the second side of the partition plate The part between the second side and the deflector together forms an air mixing chamber, the fresh air port is located on the air mixing chamber, and the fresh air port is used to guide the fresh air of the fresh air system to the air mixing chamber In order to realize the integration of fresh air system and dry fan coil.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural representation of the dry-type fan coil unit in the prior art;

FIG. 2 is one of the structural schematic diagrams of the integrated dry-type fan coil unit according to the embodiment of the application;

FIG. 3 is the second structural schematic diagram of the integrated dry-type fan coil unit according to the embodiment of the application;

Fig. 4 is the sectional view of A-A section in Fig. 3;

FIG. 5 is a schematic view of the structure of the deflector.

Reference number:

01—fan; 02—heat exchange coil; 03—condensate water storage tray; 04—condensate water system pipeline; 1—shell; 101—return air outlet; 102—air supply outlet; 103—fresh air outlet; 104—return air 105—heat exchange cavity; 106—mixed air cavity; 2—fan; 3—heat exchange coil; 301—water inlet; 302—water outlet; Air outlet; 5—deflector; 6—clapboard; 7—hoisting bracket; 8—overflow prevention part; 9—grid; 10—filter device; 11—insulation layer; 12—junction box; 200—ceiling.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.

The terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of this application, unless stated otherwise, "plurality" means two or more.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

Referring to FIGS. 2 to 5 , the integrated dry-type fan coil unit provided by the embodiment of the present application includes: a casing 1, an air duct is formed in the casing 1, and a return air outlet 101 communicating with the air duct and an air outlet are formed on the casing 1. The air outlet 102; the fan 2, the fan 2 is installed in the air duct; the heat exchange coil 3, the heat exchange coil 3 is installed in the air duct, and is located between the fan 2 and the air supply port 102; the guide plate 4, the guide plate 4 is installed In the housing 1, the fan 2 is located below the deflector 4, the heat exchange coil 3 is located above the deflector 4, the fan 2 includes a volute, and a wind wheel installed in the volute, and the air outlet of the volute Upward, the deflector 4 can guide the condensed water generated on the surface of the heat exchange coil 3 into the volute.

The heat exchange coil 3 in the embodiment of the present application is located above the deflector 4, that is, the heat exchange coil 3 is installed in the upper space of the casing 1. When the humidity load fluctuation of the indoor space causes the indoor humidity load in a short time When increasing, a small amount of condensed water generated on the surface of the heat exchange coil 3 will flow downward under the action of gravity and accumulate on the upper surface of the deflector 4, and then the accumulated condensed water will be guided by the deflector 4 It flows down into the volute of the fan 2. In the embodiment of the present application, a small amount of condensed water is generated on the surface of the heat exchange coil 3 by using the inner space of the volute, so that the condensed water is temporarily stored in the volute, waiting for the humidity load of the indoor space. After returning to normal, the condensed water can be evaporated by the dry air sucked in by the fan 2. In the embodiment of the present application, the condensed water storage pan and the condensed water system pipeline in the prior art are cancelled, that is, the above-mentioned integrated dry fan coil unit of the present application There is no need to install condensate water system pipes during installation, which simplifies the installation steps and installation costs of the integrated dry fan coil unit.

Wherein, the direction indicated by the arrow in FIG. 2 and FIG. 3 is the flow direction of the air.

In some embodiments, the guide plate 4 is provided with a guide port 400, the guide port 400 and the air outlet of the volute are arranged opposite to each other, and the guide port 400 is located at the air outlet of the volute on the horizontal projection of the guide port 400. In order to better ensure that all the condensed water generated on the surface of the heat exchange coil 3 flows into the volute, and at the same time, it can also avoid manufacturing errors and installation errors. The problem that the air outlets cannot be arranged relative to each other, thereby improving the air guiding effect of the air guide plate 4 .

It should be pointed out that the above-mentioned fan 2 also includes a motor, there are two volutes, the motor is installed between the two volutes, the air outlets of the two volutes are facing upward, and each volute is installed with a motor. There are also two wind wheels, namely the wind wheels, and the motor can drive the two wind wheels to rotate at the same time, that is, the air outlets of the two volutes can exit at the same time.

The above-mentioned fan 2 also includes a motor, there are two volutes, the motor is installed between the two volutes, the air outlets of the two volutes are facing upward, and each volute is installed with a wind wheel, that is, There are also two embodiments of the wind wheel, and there are also two corresponding air guide openings 400 on the above-mentioned guide plate 4 , as shown in FIG. 4 and FIG. 5 .

Wherein, the setting manners of the two diversion ports 400 may be the same or different.

In order to realize the installation of the integrated dry-type fan coil unit, a suspended ceiling 200 is provided on the ceiling of the room, and the entire integrated dry-type fan coil unit shell 1 is installed in the suspended ceiling 200. Due to the limited height between the suspended ceiling 200 and the ceiling Therefore, in the place where the height between the suspended ceiling 200 and the ceiling is relatively small, the height of the above-mentioned shell 1 should not be set too high. Therefore, in the implementation of this application, the above-mentioned baffle plate 4 is set horizontally, thereby helping to reduce the size of the shell. The height of body 1 increases the clear height of the room.

Of course, the above-mentioned deflector 4 may also include a first part and a second part arranged horizontally, wherein one side of the second part is connected with the first part, and the other side of the second part is inclined downward, so that the condensed water is in the first part. Under the guidance of the two parts, the downward flow can be better.

Referring to FIGS. 2 and 3 , the above-mentioned integrated dry-type fan coil unit further includes: a deflector 5, the deflector 5 is arranged at the deflector 400, and is located on the side of the deflector 4 close to the fan 2, and the deflector 5 The flow element is used to guide the condensed water on the deflector 4 to the inner wall of the volute, so as to prevent the condensed water from dripping on the impeller of the fan 2 and entering the air duct under the rotation of the impeller, so that the air sent out by the fan is entrained in the air. Moisture, the humidity of the air sent out through the air outlet 102 of the housing 1 is relatively large, which is not conducive to improving the user experience.

Wherein, the aforesaid air guide member 5 is a flange formed downward at the edge of the air guide port 400 , so that the structure of the air guide member 5 is simple and easy to realize. Under normal circumstances, the flange and the deflector 4 are formed by an integral molding process, so that air leakage and water leakage can occur at the connection between the flange and the deflector 4, thereby improving the integrated dry fan coil unit. reliability.

Alternatively, a guide hose is arranged at the guide port 400, so that one end of the guide hose is sealed with the guide port 400, so that the other end of the guide hose extends into the volute and is attached to the inside of the volute. Since the guide hose can be set to different lengths according to the actual situation, the installation accuracy of the fan 2, the installation accuracy of the guide plate 4, and the opening position of the guide port 400 can be reduced.

In some embodiments, on the cross section of the flow guide 400, the lower edge of the flange is connected to the upper edge of the air outlet of the volute, or a part of the flange is located in the volute, so as to better ensure the edge of the condensed water. The inner wall of the flange flows to the inner wall of the volute, and then flows to the bottom of the volute under the action of gravity.

Since the heat exchanger is installed in the upper space of the shell 1, the air after heat exchange by the heat exchange coil 3 needs to be sent into the room through the air supply port 102 of the ceiling 200. The shell 1 is installed above the ceiling 200. The air after heat exchange by the heat coil 3 needs to flow downward, so the above-mentioned integrated dry fan coil unit in the embodiment of the present application further includes: The edge is sealed with the lower surface of the baffle 4, the lower edge of the baffle 6 is sealed with the inner wall of the bottom plate of the housing 1, the shell 1 and the baffle 6 form a U-shaped air duct with an opening facing downward, and the baffle 4 The outer peripheral edge of the air guide is sealed with the side wall of the casing 1, and the air guide plate 4 is also provided with an air guide port 401. The air return port 101, the air guide port 400 and the fan 2 are all located on the first side of the partition plate 6. Both the air guide port 401 and the air guide port 401 are located on the second side of the partition plate 6 , and the air supply port 102 is located below the air guide plate 4 , and the first side and the second side are opposite to each other.

It should be pointed out that the above-mentioned partition 6 can be arranged vertically or obliquely, as long as it can connect the air duct between the air return port 101 and the air guide port 400 and the air duct between the air guide port 401 and the air supply port 102 Just separate.

In order to facilitate the installation of the deflector 4, two opposite sides of the deflector 4 are provided with hoisting brackets 7. During the specific installation process, the deflector 4 is hoisted by the hoisting bracket 7, and the deflector 4 Place it in the required installation location, as shown in Figure 4.

The ceiling 200 is provided with a ceiling air return port corresponding to the air return port 101 and a ceiling air outlet corresponding to the air supply port 102. Common types of the ceiling 200 include a folded ceiling and a flat ceiling. The polyline ceiling means that the ceiling return air outlet and the ceiling air outlet are located on different sides of the ceiling. A flat ceiling means that the ceiling return air outlet and the ceiling air outlet are located on the same side of the ceiling. Therefore, the above-mentioned air return port 101 and air supply port 102 may be arranged on the same surface of the housing 1, or may be arranged on different surfaces of the housing 1, as shown in FIG. 2 and FIG. 3 .

For example, the air return port 101 in FIG. 2 is provided on the bottom wall of the housing 1, and the air supply port 102 is provided on the side wall of the housing 1. The tuyere 101 is located on the first side of the partition plate 6 , and the air supply opening 102 is located on the second side of the partition plate 6 , which are suitable for the folded-line suspended ceiling structure. The air return port 101 and the air supply port 102 in FIG. 3 are both disposed on the bottom wall of the housing 1 and below the deflector 4 , the air return port 101 is located on the first side of the partition plate 6 , and the air supply port 102 is located on the partition plate 6 on the second side, which is suitable for flat ceiling structures.

In some embodiments, the above-mentioned integrated dry-type fan coil unit further includes: an overflow prevention member 8 , and the overflow prevention member 8 is arranged at the air guide port 401 and is located on the air guide plate 4 and close to the heat exchange coil 3 . On the other hand, the overflow prevention member 8 can prevent the condensed water generated on the surface of the heat exchange coil 3 from flowing out from the air guide port 401, which affects the user experience.

Wherein, the above-mentioned overflow preventing member 8 is a flanging formed upward at the edge of the air guide 401 , so that the structure of the overflow preventing member 8 is simple and easy to realize.

The value range of the vertical height of the above-mentioned flanging from the deflector 4 is: 2mm to 5mm, which can not only reduce the resistance of the flanging to the air after heat exchange, reduce the operating noise of the fan 2 coil, but also can The condensed water generated on the surface of the heat exchange coil 3 is effectively prevented from flowing out from the air guide port 401 .

Of course, the above-mentioned anti-overflow member 8 can also be an anti-overflow strip. The anti-overflow strip is arranged horizontally. The axial direction of the anti-overflow strip is consistent with the width direction of the guide plate 4. The upper surface of the plate 4 is sealed and connected, the end of the anti-overflow strip close to the rear side wall of the casing 1 is sealed with the rear side wall of the casing 1, and the end of the anti-overflow strip close to the front side wall of the casing 1 is connected to the casing. The front side walls of 1 are sealed and connected to prevent the condensed water generated on the surface of the heat exchange coil 3 from flowing out from the air guide port 401, which affects the user experience.

The above-mentioned sealed connection may be welding the two together, or the sealed connection between the two may be realized through a sealing structure. There will be no water leakage and air leakage between the components.

In some embodiments, the above-mentioned housing 1 is also provided with a fresh air outlet 103, the partition 6, the part of the deflector 4 on the second side of the partition 6, and the housing 1 on the second side of the partition 6 and The part between the deflectors 4 together forms an air mixing cavity 106 , and the fresh air port 103 is located on the air mixing cavity 106 , and the fresh air port 103 is used to guide the fresh air of the fresh air system into the air mixing cavity 106 .

However, the air supply port of the integrated dry-type fan coil unit in the prior art and the air supply port of the fresh air system are respectively connected to the air mixing box 05 through different air supply pipes, and are discharged after mixing in the air mixing box 05, as shown in Figure 1 As shown, the above arrangement in the embodiment of the present application does not require a separate air mixing box to mix the air outlet of the fresh air system and the air outlet of the dry fan coil unit, and the return air box is directly integrated into the interior of the housing 1 to realize the fresh air system and dry air. In addition, the above-mentioned setting of the present application saves the pipeline between the air supply port of the integrated dry-type fan coil unit and the air mixing box, thereby reducing the installation cost of the integrated dry-type fan coil unit. In addition, the problem of easy air leakage at the connection of the above-mentioned pipes is avoided.

Among them, in the embodiment of the present application, the interior of the housing 1 is divided into three areas, namely, the return air cavity 104 , the heat exchange cavity 105 and the air mixing cavity by the baffles 4 arranged in the left-right direction and the partition plates 6 arranged in the up-down direction. 106, the fan 2 is installed in the air mixing cavity 104, the heat exchange coil is installed in the heat exchange cavity 105, the air mixing cavity 104 and the heat exchange cavity 105 are communicated through the guide port 400, and the heat exchange cavity 105 and the air mixing cavity 106 pass through The air guide port 401 is connected, and the air mixing chamber 104 and the air mixing chamber 106 are not connected with each other, as shown in FIG. 2 and FIG. 3 .

Referring to FIG. 4 , the above heat exchange coil 3 is a 4-stroke heat exchange coil 3, the number of rows of the heat exchange coil 3 may be one row or multiple rows, and the number of strokes of the heat exchange coil 3 is an even number, thus It can be ensured that the water inlet 301 and the water outlet 302 of the heat exchange coil 3 are located on the same side, so that the connection between the heat exchange coil 3 and the water supply device is simple and convenient.

Furthermore, in order to improve the heat exchange efficiency between the heat exchange coil 3 and the air, the above-mentioned heat exchange between the heat exchange coil 3 and the air is a countercurrent heat exchange, that is, the water outlet 302 is set close to the guide port 400, and the water inlet 301 is close to the guide port 400. The tuyere 401 is set.

Based on the above embodiment, the housing 1 of the present application is also provided with a fresh air outlet 103 , the partition 6 , the part of the deflector 4 located on the second side of the partition 6 , and the housing 1 located on the second side of the partition 6 . The part between the side and the air guide plate 4 together forms an air mixing cavity 106, the fresh air port 103 is located on the air mixing cavity 106, and the fresh air port 103 is used to guide the fresh air of the fresh air system into the air mixing cavity 106 For the embodiment , in the specific installation, it is only necessary to connect the air supply port of the fresh air system with the fresh air port 103 on the shell 1, and then connect the water outlet of the water supply device with the water inlet 301 of the heat exchange coil 3, and the water inlet of the water supply device and the water inlet 301. The water outlet 302 of the heat exchange coil 3 only needs to be connected, and the installation is convenient.

In some embodiments, grilles 9 are installed on both the ceiling air return port and the ceiling air outlet, and the grille 9 is arranged at the ceiling air return port to prevent impurities in the air from entering the air duct. The grille 9 is arranged at the air outlet of the ceiling, which can change the air supply direction of the air outlet 102 and prevent the wind from blowing directly to people.

In addition, in order to increase the wind speed of the air supply port 102, the area of the above-mentioned air return port 101 is larger than that of the air supply port 102, thereby increasing the pressure of the air when it is sent out through the air supply port 102, thereby improving the air supply of the integrated dry fan coil unit. wind speed.

In some embodiments, a filter device 10 is provided on the leeward side of the grille 9 at the ceiling air outlet, and/or a filter device 10 is provided on the windward side of the grille 9 at the ceiling air outlet to filter the air Particulate matter, gaseous pollutants, etc., to achieve the effect of purifying the air.

The above purification device includes a filter screen and a filter screen support, the filter screen is installed in the filter screen support, and the filter screen support can fix and support the filter screen to avoid deformation of the filter screen under the influence of air volume.

Wherein, the above-mentioned filter screen may be any one or more of a coarse-efficiency filter screen, a high-efficiency air filter, and an IFD filter.

In some embodiments, an insulating layer 11 is provided in the air duct between the air outlet of the volute and the air supply port 102 to avoid heat exchange between the air after heat exchange by the heat exchange coil 3 and the outside air, and reduce the integrated dry The heat transfer efficiency of the fan coil unit.

The above-mentioned thermal insulation layer 11 may be made of sponge or other thermal insulation materials.

In some embodiments, the above-mentioned housing 1 is further provided with a junction box 12, and the junction box 12 is arranged outside the housing 1, thereby facilitating the overhaul and maintenance of the circuit when the wiring between the electrical components fails.

In the description of this specification, the particular features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims (10)

1. an integrated dry type fan coil unit, is characterized in that, comprises: a casing, an air duct is formed in the casing, and an air return port and an air supply port communicated with the air duct are opened on the casing; a fan, the fan is installed in the air duct; a heat exchange coil, which is installed in the air duct and located between the fan and the air supply port; a baffle plate, the baffle plate is installed in the casing, the fan is located below the baffle plate, the heat exchange coil is located above the baffle plate, the fan comprises a volute, and a wind wheel installed in the volute, the air outlet of the volute faces upwards, and the deflector can guide the condensed water generated on the surface of the heat exchange coil into the volute. 2 . The integrated dry-type fan coil unit according to claim 1 , wherein the guide plate is provided with a guide port, and the guide port and the air outlet of the volute are arranged opposite to each other. 3 . On the horizontal projection of the guide opening, the guide opening is located inside the air outlet of the volute. 3 . The integrated dry-type fan coil unit according to claim 2 , wherein the deflector is arranged horizontally. 4 . 4. The integrated dry-type fan coil unit according to claim 2, characterized in that, further comprising: a flow guide piece, the flow guide piece is arranged at the flow guide port and on the side of the flow guide plate close to the fan, and the flow guide piece is used for condensing on the flow guide plate Water is directed onto the inner wall of the volute. 5 . The integrated dry-type fan coil unit according to claim 4 , wherein the air guide member is a flange formed downward at the edge of the air guide port. 6 . 6 . The integrated dry-type fan coil unit according to claim 5 , wherein, on the cross section of the air guide, the lower edge of the flange and the upper edge of the air outlet of the volute casing are the same. 7 . connected, or part of the flange is located in the volute. 7. The integrated dry-type fan coil unit according to any one of claims 2 to 6, characterized in that, further comprising: The baffle, the baffle is arranged in the up-down direction, the upper edge of the baffle is sealed with the lower surface of the guide plate, and the lower edge of the baffle is sealed with the inner wall of the bottom plate of the casing, so The casing and the partition plate form the U-shaped air duct with the opening facing downward, the outer peripheral edge of the baffle plate is sealed with the side wall of the casing, and the baffle plate is also provided with The air guide port, the air return port, the air guide port and the fan are all located on the first side of the partition plate, the air supply port and the air guide port are all located on the second side of the partition plate, and all the The air supply port is located below the deflector, and the first side and the second side are arranged opposite to each other. 8. The integrated dry-type fan coil unit according to claim 7, further comprising: an overflow prevention part, the overflow prevention part is arranged at the air guide port and on the side of the baffle plate close to the heat exchange coil, and the overflow prevention part can prevent the heat exchange The condensed water produced on the surface of the coil flows out from the air guide. 9 . The integrated dry-type fan coil unit according to claim 8 , wherein the overflow prevention member is a flange formed upward at the edge of the air guide. 10 . 10 . The integrated dry fan coil unit according to claim 7 , wherein a fresh air outlet is also opened on the casing, and the partition plate and the air guide plate are located on the second side of the partition plate. 11 . The side part and the part of the casing located between the second side of the partition plate and the deflector together form an air mixing chamber, the fresh air outlet is located on the air mixing chamber, and the new air inlet is located on the air mixing chamber. The tuyere is used to guide the fresh air of the fresh air system into the air mixing chamber.

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