CN205980012U - Fan coil and automatically controlled box - Google Patents

Abstract

The utility model discloses a fan coil unit and an electric control box. The electric control box includes a main body of the electric control box, a mounting plate, a fixing plate and a cover plate. A first air outlet is arranged on the first side wall of the main body of the electric control box. The first air outlet faces the fan of the fan coil unit, and the outer wall is provided with cooling holes, the mounting plate is used to install electrical components and is connected with the outer wall, and a gap for gas flow is provided between the mounting plate and the first side wall, and the mounting plate is installed Ventilation holes are arranged on the board. The air that enters one side of the mounting plate through the cooling hole enters the other side of the mounting plate through the vent hole, and then is discharged through the first air outlet. The fixing plate is used to fix the main body of the electric control box on the sheet metal structure of the fan coil unit. The cover plate can realize the effect of dustproof and waterproof. The outside air is sucked into the electric control box by the fan from the heat dissipation hole, the outside air absorbs the heat of the electrical components in the electric control box, and the air after absorbing heat is discharged to the outside of the electric control box through the first air outlet, so as to reach the inside of the electric control box. The purpose of cooling electrical components.

Description

A fan coil unit and electric control box

technical field

The utility model relates to the technical field of air conditioning, in particular to a fan coil unit and an electric control box.

Background technique

Fan coil unit is the ideal terminal product of central air conditioner. The fan cools or heats the indoor air or outdoor mixed air through the surface cooler and sends it into the room to lower or increase the indoor temperature to meet people's comfort requirements.

Fan coil unit includes heat exchanger, fan, motor, water tray, electric control part and sheet metal structural parts. The electric control part is generally installed in the electric control box, which can play a certain role of dustproof and waterproof. The realization of the cooling or heating function of the fan coil unit is controlled by the electric control part. With the continuous operation of the fan coil unit, the temperature inside the fan coil unit will gradually rise. If the heat dissipation of the electric control box is not good, the electrical components in the electric control box will fail due to high temperature, which will affect the normal operation of the fan coil unit.

The method used in the prior art to solve the above problems is to increase the cooling fins or small fans. The increase of cooling fins or small fans will increase the structural complexity of the fan coil unit to a certain extent, and increase the production cost of the fan coil unit, affecting Product market competitiveness.

Therefore, how to reduce the structural complexity of the fan coil unit, reduce the production cost of the fan coil unit, and improve the market competitiveness of the product has become a technical problem to be solved urgently by those skilled in the art.

Utility model content

In view of this, the utility model provides an electric control box to reduce the structural complexity of the fan coil unit, reduce the production cost of the fan coil unit, and improve the market competitiveness of the product. The utility model provides a fan coil unit.

In order to achieve the above object, the utility model provides the following technical solutions:

An electric control box, the electric control box is used for a fan coil unit, comprising:

The main body of the electric control box, the main body of the electric control box includes a first side wall and an outer wall connected to the first side wall and vertically arranged, the first side wall is provided with a first air outlet, and the first air outlet The air outlet faces the fan of the fan coil unit, and the outer wall is provided with cooling holes;

A mounting plate connected to the outer wall for installing electrical components, a gap for gas flow is provided between the mounting plate and the first side wall, and a gap connecting the two sides of the mounting plate is provided on the mounting plate. ventilation holes, the heat dissipation holes are located on one side of the mounting plate where the electrical components are arranged, and the first air outlet is located on the other side of the mounting plate;

A fixing plate connected to the main body of the electric control box for fixing the main body of the electric control box on the sheet metal structure of the fan coil;

A cover plate for blocking the opening end of the main body of the electric control box.

Preferably, in the above-mentioned electric control box, an insertion hole is provided on the outer wall of the main body of the electric control box, and a plug-in board is provided on the installation plate, and the plug-in board is plugged into the plug-in hole.

Preferably, in the above-mentioned electric control box, the ventilation holes are arranged on both sides of the plug-in board.

Preferably, in the above-mentioned electric control box, the plug-in board is integrally formed with the installation board.

Preferably, in the above-mentioned electric control box, the outer wall includes a top wall, a bottom wall arranged parallel to the top wall, and a first vertical wall arranged perpendicular to the top wall, and the bottom wall is provided with the cooling holes;

The cover plate includes a second side wall vertically arranged to the first side wall and a second vertical wall connected to the second side wall and vertically arranged, the second vertical wall is connected to the first side wall The vertical walls are arranged in parallel.

Preferably, in the above-mentioned electric control box, the fixing plate is bolted to the sheet metal structural member.

Preferably, in the above electric control box, the fixing plate is connected to the first side wall, and the fixing plate is provided with a second air outlet corresponding to the position of the first air outlet, and the fixing plate connected with the first side wall by bolts;

Both the first air outlet and the second air outlet are rectangular air outlets, or both the first air outlet and the second air outlet are triangular air outlets, or the first air outlet and the second air outlet are The two air outlets are circular air outlets, or the first air outlet and the second air outlet are oval air outlets.

Preferably, in the above electric control box, the main body of the electric control box is formed by sheet metal.

Preferably, in the above electric control box, the edges of the main body of the electric control box, the fixing plate and the cover plate are all provided with sheet metal hems.

A fan coil unit, including a fan, a motor connected to the fan, and an electric control box, the electric control box is arranged on one side of the air inlet of the fan, and the electric control box is the one described in any one of the above The electric control box, the heat dissipation holes of the electric control box are waist-shaped heat dissipation holes, rectangular heat dissipation holes, diamond-shaped heat dissipation holes, circular heat dissipation holes or oval heat dissipation holes.

It can be seen from the above technical solution that the electric control box provided by the utility model includes the main body of the electric control box, the mounting plate, the fixing plate and the cover plate. The main body of the electric control box includes a first side wall and a The outer wall is arranged, the first side wall is provided with a first air outlet, the first air outlet faces the fan of the fan coil unit, the outer wall is provided with cooling holes, the mounting plate is used to install electrical components and is connected with the outer wall, the mounting plate and the second There is a gap for gas flow between the side walls, and there is a vent hole on the mounting plate, the fixing plate is used to fix the main body of the electric control box on the sheet metal structure of the fan coil unit, and the cover plate can realize dustproof The role of waterproof. The outside air is sucked into the electric control box by the fan from the cooling hole. At this time, the air is located on the side of the installation board where the electrical components are installed. After absorbing the heat of the electrical components, the air enters the other side of the installation board from the ventilation hole, and finally passes through the The air that has absorbed the heat of the electronic control components is discharged from the first air outlet, so as to achieve the purpose of cooling the electrical components. In this solution, holes are directly opened on the main body of the electric control box. Compared with the way of setting heat sinks or small fans in the prior art, no additional components are needed, and the structural complexity of the fan coil unit is correspondingly reduced. At the same time The cost of the fan coil unit is reduced, and the market competitiveness of the product is improved to a certain extent.

This solution also provides a fan coil unit with the above-mentioned electric control box. Since the electric control box has the above-mentioned technical effect, the fan coil unit with the electric control box also has the same technical effect and will not be repeated here.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural diagram of a fan coil unit provided by an embodiment of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the electric control box provided by the embodiment of the utility model;

Fig. 3 is an exploded view of the electric control box provided by the embodiment of the present invention.

1. Main body of electric control box, 11. First air outlet, 12. Cooling hole, 2. Fan, 3. Mounting plate, 31. Plug-in plate, 4. Sheet metal structural parts, 5. Fixed plate, 51. Second outlet Air outlet, 6, cover plate, 7, motor.

detailed description

The utility model discloses an electric control box, which is used to reduce the structural complexity of the fan coil unit, reduce the production cost of the fan coil unit, and improve the market competitiveness of the product. The utility model also discloses a fan coil unit.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-Fig. 3, Fig. 1 is a schematic structural diagram of the fan coil unit provided by the embodiment of the utility model; Fig. 2 is a schematic diagram of the internal structure of the electric control box provided by the embodiment of the utility model; Fig. 3 is a schematic diagram of the implementation of the utility model The explosion diagram of the electric control box provided in the example.

The utility model discloses an electric control box, which is used for a fan coil unit, and comprises a main body 1 of the electric control box, a mounting plate 3, a fixing plate 5 and a cover plate 6, wherein,

The main body 1 of the electric control box includes a first side wall and an outer wall connected to the first side wall and arranged vertically. The first side wall is provided with a first air outlet 11. The first air outlet 11 faces the fan 2 of the fan coil unit. The outer wall There are heat dissipation holes 12 on the top, the outside air is sucked into the electric control box by the fan 2 from the heat dissipation holes 12, the outside air absorbs the heat of the electrical components in the electric control box, and the air after absorbing heat enters the fan 2 through the first air outlet 11 and then passes through The heat exchanger blows out to achieve the purpose of cooling the electrical components in the electric control box.

The mounting plate 3 is connected to the outer wall for installing electrical components. A gap for gas flow is provided between the mounting plate 3 and the first side wall. The mounting plate 3 is provided with ventilation holes communicating with both sides of the mounting plate 3. The cooling holes 12 The first air outlet 11 is located on the other side of the installation plate 3, and the outside air enters the main body 1 of the electric control box. At this time, the air is located on the side of the installation plate 3 where the electrical components are installed. side, the air absorbs the heat on the electrical components and then enters the side of the mounting plate 3 where no electrical components are installed through the vent hole, and finally is discharged through the first air outlet 11. In this solution, the power source of the air flow is a fan, so there is no need for a separate Install other power equipment, which simplifies the structure of the fan coil unit to a certain extent, and reduces the heat dissipation cost of the electric control box;

It is connected with the main body 1 of the electric control box and is used to fix the main body 1 of the electric control box on the sheet metal structure 4 of the fan coil unit. The fixing plate 5 realizes the connection between the main body 1 of the electric control box and the sheet metal structure 4;

The cover plate 6 is used to block the opening end of the main body 1 of the electric control box, and the cover plate 6 can realize the effect of dustproof and waterproof.

In this scheme, the wind pressure field generated when the fan is working is used. According to the characteristics of the air flow direction, a convection hole matching the air flow direction is set on the electric control box, so that the air flow can continue to pass through the electric control box and take away the electrical components in the electric control box. of heat.

In this solution, by opening a hole in the electric control box, the heat on the electrical components is taken away by air flow, and the structure is simple. Compared with the way of setting heat sinks or fans in the prior art, no other components are required, and the fan disk is reduced. The complexity of the structure of the pipe does not increase the additional cost, which reduces the production cost of the fan coil unit to a certain extent and improves the market competitiveness of the product.

In this scheme, a socket is provided on the outer wall of the main body 1 of the electric control box, and an inserting plate 31 is provided on the mounting plate 3. The mounting plate 3 and the main body 1 of the electric control box adopt a detachable connection mode, and the inserting plate 31 is plugged into the jack In this way, the connection method can reduce the difficulty of connecting the mounting board 3 .

Preferably, the mounting plate 3 and the electrical box main body 1 can also be connected by bolts or welding.

In order to increase the contact area between the air and the electrical components, preferably, the ventilation holes are arranged on both sides of the insert plate 31, which prolongs the circulation path of the air in the electric control box to a certain extent, thereby improving the heat dissipation effect on the electrical components .

Preferably, the inserting board 31 is integrally formed with the installation board 3 , which can reduce the production difficulty of the installation board 3 .

The outer wall of the main body 1 of the electric control box provided by this solution includes a top wall, a bottom wall arranged parallel to the top wall, and a first vertical wall arranged perpendicular to the top wall, and the bottom wall is provided with cooling holes 12, preferably, cooling holes The number of 12 is multiple, and they are evenly arranged on the bottom wall, the more the number of cooling holes 12, the better.

The cooling holes 12 are arranged on the bottom wall to prevent external dust and water from falling into the electric control box.

In order to realize the sealing of the electric control box, the cover plate 6 includes a second side wall vertically arranged with the first side wall and a second vertical wall connected with the second side wall and vertically arranged, the second vertical wall is connected with the first side wall The vertical walls are arranged in parallel, the first side wall is opposite and parallel to the second side wall, the second vertical wall is opposite and parallel to the first vertical wall, the cover plate 6 and the open end shape on the main body 1 of the electric control box Adaptation, the cover plate 6 cooperates with the main body 1 of the electric control box to form a sealed space, which plays the role of waterproof and dustproof.

In order to further optimize the above technical solution, in a specific embodiment of the present utility model, the fixing plate 5 is connected with the sheet metal structure 4 with bolts, the electric control box body 1 is connected with the fixed plate 5 with bolts, and the cover plate 6 is connected with the main body of the electric control box 1 bolt connection, which can facilitate the assembly of the electric control box. The assembly of the electric control box is not limited to the above method, the fixed plate 5 and the sheet metal structure 4 can also be connected by welding, the main body 1 of the electric control box and the fixed plate 5 can also be welded, and the cover plate 6 and the main body 1 of the electric control box can also be connected by welding. Connected by soldering.

The fixed plate 5 is connected to the first side wall of the electric control box main body 1, which increases the connection area between the fixed plate 5, the electric control box main body 1 and the sheet metal structural member 4 to a certain extent, and ensures the installation strength of the electric control box .

In order to ensure the circulation of air in the electric control box, a second air outlet 51 corresponding to the position of the first air outlet 11 needs to be provided on the fixing plate 5 . The first air outlet 11 and the second air outlet 51 have various shapes, preferably, the first air outlet 11 and the second air outlet 51 have the same shape in this solution. The first air outlet 11 and the second air outlet 51 may be rectangular air outlets, triangular air outlets, circular air outlets, or elliptical air outlets.

In this solution, the main body 1 of the electric control box is formed of sheet metal, which reduces the processing difficulty of the main body 1 of the electric control box.

In order to enhance the use strength of the electric control box, the edges of the main body 1 of the electric control box, the fixed plate 5 and the cover plate 6 are all provided with sheet metal hemming, or directly on the main body 1 of the electric control box, the fixed plate 5 and the cover plate 6 Ribs.

A fan coil unit, comprising a fan 2, a motor 7 connected to the fan 2, and an electric control box. The cooling holes 12 of the control box are waist-shaped cooling holes, rectangular cooling holes, diamond-shaped cooling holes, circular cooling holes or elliptical cooling holes. Since the electric control box has the above-mentioned technical effect, the fan coil unit with the electric control box also has the same technical effect, so it will not be repeated here.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An electric control box, which is used for fan coil units, is characterized in that it comprises: The main body (1) of the electric control box, the main body (1) of the electric control box includes a first side wall and an outer wall connected to the first side wall and vertically arranged, the first side wall is provided with a first air outlet (11), the first air outlet (11) faces the fan (2) of the fan coil unit, and the outer wall is provided with cooling holes (12); A mounting plate (3) connected to the outer wall for installing electrical components, a gap for gas flow is provided between the mounting plate (3) and the first side wall, and the mounting plate (3) is Ventilation holes communicating with the space on both sides of the mounting plate (3) are provided, the cooling holes (12) are located on the side of the mounting plate (3) where the electrical components are arranged, and the first air outlet ( 11) Located on the other side of the mounting plate (3); A fixing plate (5) connected to the electric control box main body (1) for fixing the electric control box main body (1) on the sheet metal structural member (4) of the fan coil unit; A cover plate (6) for blocking the opening end of the main body (1) of the electric control box. 2. The electric control box according to claim 1, characterized in that jacks are provided on the outer wall of the main body (1) of the electric control box, and a plug-in plate (31) is provided on the mounting plate (3), The plug-in board (31) is plugged into the socket. 3. The electric control box according to claim 2, characterized in that, the ventilation holes are arranged on both sides of the plug-in board (31). 4. The electric control box according to claim 2, characterized in that, the plug-in board (31) is integrally formed with the installation board (3). 5. The electric control box according to claim 1, wherein the outer wall comprises a top wall, a bottom wall arranged parallel to the top wall, and a first vertical wall arranged perpendicular to the top wall, so The heat dissipation holes (12) are opened on the bottom wall; The cover plate (6) includes a second side wall arranged vertically to the first side wall and a second vertical wall connected to the second side wall and arranged vertically, the second vertical wall is connected to the second side wall The first vertical walls are arranged in parallel. 6. The electric control box according to claim 1, characterized in that, the fixing plate (5) is bolted to the sheet metal structure (4). 7. The electric control box according to claim 1, characterized in that, the fixed plate (5) is connected to the first side wall, and the fixed plate (5) is provided with a The second air outlet (51) corresponding to the position of the air outlet (11), the fixing plate (5) is connected with the first side wall by bolts; Both the first air outlet (11) and the second air outlet (51) are rectangular air outlets, or the first air outlet (11) and the second air outlet (51) are both triangular air outlets , or the first air outlet (11) and the second air outlet (51) are circular air outlets, or the first air outlet (11) and the second air outlet (51) are Oval air outlet. 8. The electric control box according to claim 1, characterized in that, the main body (1) of the electric control box is formed of sheet metal. 9. The electric control box according to claim 1, characterized in that, the edges of the electric control box main body (1), the fixing plate (5) and the cover plate (6) are all provided with sheet metal folds side. 10. A fan coil unit, comprising a fan (2), a motor (7) connected to the fan (2) and an electric control box, the electric control box is arranged at one of the air inlets of the fan (2) side, it is characterized in that the electric control box is the electric control box described in any one of claims 1-9, and the heat dissipation holes (12) of the electric control box are waist-shaped heat dissipation holes, rectangular heat dissipation holes, diamond-shaped Cooling holes, round cooling holes or oval cooling holes.