CN215863731U

CN215863731U - Thin fan coil

Info

Publication number: CN215863731U
Application number: CN202122376900.4U
Authority: CN
Inventors: 杨伟平
Original assignee: Dongguan Xuheng Electronic Co ltd
Current assignee: Dongguan Xuheng Electronic Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-18
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a thin fan coil, which is thinned and reduced in volume, so that the installation and use space of the fan coil is greatly optimized, and the use efficiency of room space is improved. The utility model comprises a coil pipe, wherein a fan is arranged behind the coil pipe, and the fan comprises an upper cover, a lower cover, an impeller and a motor; the upper cover and the lower cover form an accommodating cavity, an upper air inlet is formed in the upper surface of the upper cover, a lower air inlet is formed in the lower surface of the lower cover, an impeller is arranged in the accommodating cavity formed by the upper cover and the lower cover, and the impeller is positioned between the lower air inlet and the upper air inlet; the middle part of impeller is equipped with the motor, and the one side that holds the cavity that upper cover and lower cover are constituteed is close to the coil pipe is seted up the air outlet. The fan adopts an up-down air inlet mode, the thickness of the fan is reduced, the whole space of the fan coil is greatly saved, and the fan coil is convenient to install.

Description

Thin fan coil

Technical Field

The utility model relates to ventilation equipment, in particular to a coil fan unit, and particularly relates to a thin fan coil.

Background

The coil fan unit is called fan coil for short, it is one of the end devices of air-conditioning system formed from small fan, motor and coil 11, etc., when the chilled water or hot water is passed through the interior of coil 11, it can make heat exchange with air outside of the tube to make air be cooled, dehumidified or heated to regulate indoor air parameter, it is a commonly-used end device for supplying cold and heat.

The installation fan coil pipe needs at the room furred ceiling, and traditional fan coil pipe needs furred ceiling space big, occupies the too high space in room top, has reduced room practical space height. The conventional fan coil is assembled by adopting a mode that one motor 14 is provided with two leaves (a side port fan 13), as shown in the attached figure 7, air enters from the left side and the right side of the side port fan 13, as shown in the outline and dimension schematic diagram of the conventional fan coil of figure 8, and the dimension unit is as follows: mm; the external dimension of the traditional fan coil is as follows: 700mm long, 460mm wide and 250mm high; the height of the side port blower 13 was 213 mm. The traditional fan coil is limited by the structure and the installation mode, and the outer size and the thickness of a side-opening fan 13 (side air inlet) cannot be very small.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides the thin fan coil which is reasonable in structural design and convenient to install, the fan coil is thinned and small in size, the installation and use space of the fan coil is greatly optimized, the energy efficiency is improved, and the use efficiency of the room space is improved.

The specific technical scheme of the utility model is as follows:

a thin fan coil comprises a coil, wherein a fan is arranged behind the coil and comprises an upper cover, a lower cover, an impeller and a motor;

the upper cover and the lower cover form an accommodating cavity, an upper air inlet is formed in the upper surface of the upper cover, a lower air inlet is formed in the lower surface of the lower cover, an impeller is arranged in the accommodating cavity formed by the upper cover and the lower cover, and the impeller is positioned between the lower air inlet and the upper air inlet;

the middle part of impeller is equipped with the motor, and the impeller is connected to the motor, and the air outlet has been seted up to the one side that holds the cavity that upper cover and lower cover are constituteed next to the coil pipe.

Further, a concave arc supporting frame is arranged on the inner side of the lower air inlet of the lower cover, and a motor is arranged at one end, far away from the lower air inlet, of the concave arc supporting frame;

the outer side of the motor is provided with a connecting disc, the outer edge of the connecting disc is connected with the inner side of the impeller, the connecting disc is positioned in the middle of the impeller, and the impeller driven by the motor is combined into a centrifugal fan.

Further, the motor comprises a base, a magnetic ring, a silicon steel sheet and an axis riveting motor shell, the bottom end of the base is arranged on the fan, a lower ball is arranged on the base, and a wave-shaped elastic sheet is arranged between the lower ball and the PCB;

further, an insulating base is arranged on the PCB, a silicon steel sheet is arranged between the insulating base and the insulating cover, a magnetic ring is arranged on the outer side of the silicon steel sheet, and a motor shell is riveted on the outer side of the magnetic ring in a manner of being close to the axis;

an upper ball is arranged on the axis of the axis riveting motor shell and is positioned on the inner side of the axis riveting motor shell.

Furthermore, a group of two fans which are symmetrically distributed is arranged behind the coil pipe, and the two fans are arranged on the same plane.

Further, the base of the motor is arranged on the concave arc support frame.

Further, the outside of the motor shell is riveted with an adjacent connecting disc at the axis of the motor.

Furthermore, a switch power supply is arranged on the outer side of a cavity formed by the upper cover and the lower cover, and a power supply box is arranged on the outer side of the switch power supply.

The fan adopts an up-down air inlet mode, the thickness of the fan 20 (surface air inlet) can be very thin, the energy efficiency ratio is improved, the installation procedure of the motor 14 part in the middle of the traditional fan coil can be omitted, the installation is convenient, the cost and the materials are saved, the thickness of the fan is thin, and the whole space of the fan coil is greatly saved. Utility model's fan adopts single equipment mode, and it is convenient to install, and the customer can select installation quantity as required.

Drawings

FIG. 1 is a diagram of a duct according to an embodiment of the present invention;

FIG. 2 is a schematic drawing of dimensions of an embodiment of the present invention;

FIG. 3 is an assembly view of the fan section of an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a fan section according to an embodiment of the present invention;

FIG. 5 is a bottom view of the fan section of an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a fan section according to an embodiment of the present invention;

FIG. 7 is a ducting diagram of a conventional fan coil;

FIG. 8 is a schematic drawing of the external dimensions of a conventional fan coil.

The labels in the figure are:

the fan comprises a coil pipe 11, a side-opening fan 13, a motor 14, a connecting disc 15, a lower air inlet 16, an upper air inlet 17, an air outlet 18, a concave arc supporting frame 19, a fan 20, an upper cover 21, a lower cover 22, an impeller 23, an upper ball 24, a base 25, a wave-shaped elastic sheet 26, a lower ball 27, a switching power supply 28, a power supply box 29, a motor 31, an axis riveting motor shell 33, a magnetic ring 34, an insulating cover 35, a silicon steel sheet 36, an insulating base 37 and a PCB 38.

Unless otherwise specified, the use function of the non-labeled structure is the same as the use function of the labeled structure that is symmetrical with respect to the structure.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings and examples, so that how to implement the embodiments of the present invention by using technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to the drawings, the thin fan coil of the present invention includes a coil 11, a fan 20 is disposed behind the coil 11, a set of two fans 20 symmetrically disposed behind the coil 11, the fan 20 includes an upper cover 21, a lower cover 22, an impeller 23, and a motor 31, and the upper cover 21 and the lower cover 22 form an accommodation cavity.

An upper air inlet 17 is formed in the upper surface of the upper cover 21, a lower air inlet 16 is formed in the lower surface of the lower cover 22, an impeller 23 is arranged in a containing cavity formed by the upper cover 21 and the lower cover 22, and the impeller 23 is located between the lower air inlet 16 and the upper air inlet 17.

The middle part of impeller 23 is equipped with motor 31, and motor 31 connects impeller 23, and the one side that holds the cavity that upper cover 21 and lower cover 22 are constituteed is close to coil pipe 11 has seted up air outlet 18.

Further, in some embodiments, a concave arc supporting frame 19 is disposed inside the lower air inlet 16 of the lower cover 22, and a motor 31 is disposed at an end of the concave arc supporting frame 19 away from the lower air inlet 16; further, the base 25 of the motor 31 is disposed on the concave arc support bracket 19.

The outer side of the motor 31 is provided with a connecting disc 15; further, the shaft center of the motor 31 is riveted on the outer side of the motor shell 33 and is provided with a connecting disc 15 which is closely adjacent, the outer edge of the connecting disc 15 is connected with the inner side of the impeller 23, the connecting disc 15 is positioned in the middle of the impeller 23, and the impeller 23 driven by the motor 31 is combined into a centrifugal fan.

Further, in some embodiments, the motor 31 includes a base 25, a magnetic ring 34, a silicon steel sheet 36, and an axial rivet motor housing 33, wherein the bottom end of the base 25 is disposed on the fan 20, the base 25 is provided with a lower ball 27, and a wave-shaped elastic sheet 26 is disposed between the lower ball 27 and the PCB 38.

An insulating base 37 is arranged on the PCB 38, a silicon steel sheet 36 is arranged between the insulating base 37 and the insulating cover 35, and a magnetic ring 34 is arranged outside the silicon steel sheet 36;

an axis riveting motor shell 33 which is close to the axis is arranged on the outer side of the magnetic ring 34, an upper ball 24 is arranged on the axis of the axis riveting motor shell 33, and the upper ball 24 is positioned on the inner side of the axis riveting motor shell 33.

A switch power supply 28 is arranged outside a cavity formed by the upper cover 21 and the lower cover 22, and a power supply box 29 is arranged outside the switch power supply 28.

In one embodiment, referring to the outline dimension schematic of the utility model of fig. 2, the dimension units are: mm. The utility model discloses a thin fan coil with the following overall dimension: 700mm long, 460mm wide and 180mm high; the height of the fan 20 (surface intake air) is 150 mm.

The utility model has reasonable structural design, improves and upgrades the structure of the fan 20 (surface air inlet), saves the installation procedure of the motor 14 part in the middle of the traditional fan coil, greatly optimizes the installation and use space of the fan coil, reduces the construction difficulty, improves the use efficiency of the practical space of a room, simultaneously improves the stability of the use effect of a product, and optimizes the energy efficiency ratio.

The foregoing examples, which are indicative of but a few of the preferred embodiments of the present invention, are presented in some detail for purposes of illustration and description, it being understood that the utility model is not limited to the forms disclosed herein, and is not to be construed as limited to the exclusion of other examples, but rather is capable of use in various other combinations, modifications, and environments and is capable of modification within the scope of the inventive concept as described herein, either by the above teachings or by the skill or knowledge of the relevant art, and is therefore not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the present invention, and those skilled in the art can make modifications and variations without departing from the spirit and scope of the present invention, which falls within the protection scope of the appended claims. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A thin fan coil comprises a coil (11) and is characterized in that a fan (20) is arranged behind the coil (11), and the fan (20) comprises an upper cover (21), a lower cover (22), an impeller (23) and a motor (31);

an accommodating cavity is formed by the upper cover (21) and the lower cover (22), an upper air inlet (17) is formed in the upper surface of the upper cover (21), a lower air inlet (16) is formed in the lower surface of the lower cover (22), an impeller (23) is arranged in the accommodating cavity formed by the upper cover (21) and the lower cover (22), and the impeller (23) is located between the lower air inlet (16) and the upper air inlet (17);

the middle part of impeller (23) is equipped with motor (31), and impeller (23) is connected in motor (31), and air outlet (18) have been seted up to one side that holds cavity next-door neighbour coil pipe (11) that upper cover (21) and lower cover (22) are constituteed.

2. The thin type fan coil according to claim 1, wherein a concave arc support frame (19) is arranged on the inner side of the lower air inlet (16) of the lower cover (22), and a motor (31) is arranged at one end, far away from the lower air inlet (16), of the concave arc support frame (19);

the outer side of the motor (31) is provided with a connecting disc (15), the outer edge of the connecting disc (15) is connected with the inner side of the impeller (23), the connecting disc (15) is positioned in the middle of the impeller (23), and the impeller (23) driven by the motor (31) is combined into a centrifugal fan.

3. The thin type fan coil unit as claimed in claim 1, wherein the motor (31) comprises a base (25), a magnetic ring (34), a silicon steel sheet (36), and an axial rivet motor shell (33), the bottom end of the base (25) is disposed on the fan (20), the base (25) is provided with a lower ball (27), and a wave-shaped elastic sheet (26) is disposed between the lower ball (27) and the PCB (38);

an insulating seat (37) is arranged on the PCB (38), a silicon steel sheet (36) is arranged between the insulating seat (37) and the insulating cover (35), a magnetic ring (34) is arranged on the outer side of the silicon steel sheet (36), and a motor shell (33) is riveted to the outer side of the magnetic ring (34) in a manner of being close to the axis;

an upper ball (24) is arranged on the axis of the axis riveting motor shell (33), and the upper ball (24) is positioned on the inner side of the axis riveting motor shell (33).

4. A low profile fan coil according to claim 1, wherein a set of two fans (20) are symmetrically arranged behind the coil (11), the two fans (20) being arranged in the same plane.

5. A low profile fan coil as claimed in claim 2, wherein the base (25) of the motor (31) is mounted on a concave arc support bracket (19).

6. A low profile fan coil as claimed in claim 2 wherein the motor (31) is provided with a flange (15) on the outside of the motor housing (33) to provide a close fit.

7. The thin type fan coil according to claim 1, wherein a switching power supply (28) is arranged outside a cavity formed by the upper cover (21) and the lower cover (22), and a power supply box (29) is arranged outside the switching power supply (28).