CN219222662U

CN219222662U - Fan coil unit

Info

Publication number: CN219222662U
Application number: CN202320814876.4U
Authority: CN
Inventors: 刘吉君
Original assignee: Shandong Tongchuang Composite Material Co ltd
Current assignee: Shandong Tongchuang Composite Material Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-06-20
Anticipated expiration: 2033-04-13

Abstract

The utility model provides a fan-coil unit, which comprises a shell, wherein a surface cooler is arranged in the shell, an inlet of the surface cooler is communicated with a liquid inlet pipe, an outlet of the surface cooler is communicated with a liquid outlet pipe, a motor is arranged below the surface cooler, an output shaft of the motor is connected with a fan, a heating unit for heating liquid in the liquid inlet pipe is arranged on the liquid inlet pipe, the heating unit comprises a microwave generator, a magnetic supply pipe is arranged at the inner side of the microwave generator, a heat conducting pipe is arranged at the inner side of the magnetic supply pipe, the microwave generator enables the heat conducting pipe to release heat energy through the magnetic supply pipe, the heat energy heats the liquid flowing through the heat conducting pipe, the temperature of the fan-coil unit is increased by heating the liquid in the liquid inlet pipe of the surface cooler, and the air is not dry and is suitable for people to breathe.

Description

Fan coil unit

Technical Field

The utility model relates to the technical field of fan coils, in particular to a fan coil unit.

Background

The fan coil unit is called as a fan coil for short. It is one of the end devices of air conditioning system consisting of small blower, motor and coil pipe (air heat exchanger). When water flows through the coil pipe, heat exchange is carried out between the coil pipe and air outside the pipe, so that the air is cooled, dehumidified or heated to adjust indoor air parameters, and the coil pipe is a common cooling and heating terminal device.

At present, most of liquid led into the coil is directly communicated with the water pipe, the temperature of the liquid cannot be controlled, when air needs to be heated, the temperature is usually raised by heating air around the coil through the heating wire at the rear side of the coil, but the air heating mode can lead to indoor air drying, and people feel uncomfortable.

Disclosure of Invention

In order to make up for the defects, the utility model provides a fan-coil unit, which aims to solve the problem that the indoor air is dried and people feel uncomfortable when the fan-coil unit heats air at present.

The utility model is realized in the following way: the utility model provides a fan coil unit, which comprises a shell, wherein a surface cooler is arranged in the shell, an inlet of the surface cooler is communicated with a liquid inlet pipe, an outlet of the surface cooler is communicated with a liquid outlet pipe, a motor is arranged below the surface cooler, an output shaft of the motor is connected with a fan, a heating unit for heating liquid in the liquid inlet pipe is arranged on the liquid inlet pipe, the heating unit comprises a microwave generator, a magnetic supply pipe is arranged at the inner side of the microwave generator, a heat conduction pipe is arranged at the inner side of the magnetic supply pipe, the microwave generator enables the heat conduction pipe to release heat energy through the magnetic supply pipe, and the heat energy heats the liquid flowing in the heat conduction pipe.

In one embodiment of the utility model, a supporting plate is fixed in the shell, and the surface cooler is fixedly arranged on the upper side of the inside of the shell through the supporting plate.

In one embodiment of the utility model, a sealing tube is arranged on the outer side of the microwave generator, and a heat-resistant heat-insulating layer is arranged on the inner side wall of the sealing tube.

In one embodiment of the utility model, the liquid inlet pipe is provided with a flow control valve for adjusting the flow of liquid in the liquid inlet pipe.

In one embodiment of the utility model, a drainage unit for draining condensed water generated by the operation of the surface cooler is arranged at the lower side of the surface cooler, the drainage unit comprises a water receiving disc, the water receiving disc is arranged right below the surface cooler through a supporting plate, a connecting pipe is communicated with the bottom of one end of the water receiving disc, the connecting pipe is communicated with a water inlet of a water pump, a water outlet of the water pump is communicated with a water outlet pipe, and the water outlet pipe extends to the outside of the shell.

In one embodiment of the utility model, a liquid level sensor is fixed at the middle upper part of the side wall of the water receiving disc, and the liquid level sensor is electrically connected with a water pump.

In one embodiment of the utility model, a filter plug is arranged between the inlet of the connecting pipe and the water receiving disc, and the filter plug is fixedly arranged at the bottom of the water receiving disc.

In one embodiment of the utility model, the bottom end of the shell is provided with an air inlet, the air inlet is arranged below the surface air cooler, the top end of the shell is provided with an air outlet, and the air outlet is arranged above the surface air cooler.

In one embodiment of the utility model, bases are arranged on two sides of the air inlet and fixedly arranged on two sides of the bottom end of the shell.

In one embodiment of the utility model, the width of the air outlet of the fan is larger than the width of the water receiving disc.

The beneficial effects of the utility model are as follows:

1. the heating unit is arranged on the liquid inlet pipe of the surface cooler, the microwave generator of the heating unit generates heat energy through the magnetic supply pipe after being electrified, the heat energy heats the heat conduction pipe, the heat conduction pipe heats liquid flowing in the heat conduction pipe, the heated liquid enters the surface cooler, the temperature of the liquid in the surface cooler is further increased, the liquid in the surface cooler is vaporized and emitted to the periphery of the surface cooler after being increased, then the liquid enters the room under the blowing of the fan, and the room is further high in temperature, and the room is not dried due to the fact that the indoor water vapor enters the room, so that the surface cooler is suitable for people to breathe;

2. the flow control valve is arranged on the liquid inlet pipe, the flow of liquid in the surface air cooler is regulated by the flow control valve, the flow of liquid in the surface air cooler is large, heat dissipation is high, and conversely, heat dissipation is low, so that the heat dissipation of the surface air cooler is controlled, the indoor temperature and humidity are regulated, the indoor temperature and humidity can be regulated in real time by the flow control valve according to the change of the indoor temperature and humidity, and the degree of automation is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is a side view of a housing provided in an embodiment of the present utility model;

fig. 3 is a schematic view of a bottom end structure of a housing according to an embodiment of the present utility model;

fig. 4 is a schematic view of an internal structure of a housing according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a mounting position of a heating unit according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a heating unit according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a drainage cell installation location provided by an embodiment of the present utility model;

FIG. 8 is a schematic view of a drainage unit according to an embodiment of the present utility model;

fig. 9 is a schematic diagram of drainage states of fan coil units with different heights according to an embodiment of the present utility model.

In the figure: 100. a housing; 101. an air inlet; 102. an air outlet; 110. a support plate; 120. a surface cooler; 121. a liquid inlet pipe; 1211. a flow control valve; 122. a liquid outlet pipe; 130. a motor; 140. a blower; 150. a base; 200. a heating unit; 210. sealing the tube; 220. a microwave generator; 230. a magnetic supply tube; 240. a heat conduction pipe; 300. a drainage unit; 310. a water receiving tray; 311. a liquid level sensor; 320. a connecting pipe; 321. a filter plug; 330. a water pump; 340. and a water outlet pipe.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1, fig. 4 and fig. 5, the utility model provides a fan coil unit, which comprises a housing 100, wherein the housing 100 is preferably made of thermoplastic plastics, is made of ABS material and HIPS material, and can also be made of sheet metal material, a surface cooler 120 is arranged in the housing 100, support plates 110 are fixed on two sides of the interior of the housing 100, the surface cooler 120 is fixedly arranged on the upper side of the interior of the housing 100 through the support plates 110, the surface cooler 120 is fully called a surface cooler, commonly called a coil, the principle is that a heating medium or a cooling medium or a refrigerating medium flows through an inner cavity of a metal pipeline, and air to be treated flows through an outer wall of the metal pipeline for heat exchange to achieve the purpose of heating or cooling the air;

referring to fig. 2, 3 and 4, an air inlet 101 is formed at the bottom end of the housing 100, the air inlet 101 is disposed below the surface air cooler 120, so that external air can enter the housing 100 conveniently, an air outlet 102 is formed at the top end of the housing 100, the air outlet 102 is disposed above the surface air cooler 120, the air in the housing 100 can be discharged conveniently, bases 150 are disposed at two sides of the air inlet 101, the bases 150 are fixedly mounted at two sides of the bottom end of the housing 100, after the housing 100 is mounted by the bases 150, a certain gap is reserved between the air inlet 101 and the mounting surface, and then external air can enter the air inlet through the gap and then enter the housing 100 through the air inlet 101, so that heat exchange with the surface air cooler 120 is achieved.

Referring to fig. 4, 5 and 7, an inlet of the surface cooler 120 is connected with a liquid inlet pipe 121, an inlet of the liquid inlet pipe 121 is connected with tap water to provide a heat exchange medium for the surface cooler 120, an outlet of the surface cooler 120 is connected with a liquid outlet pipe 122, a motor 130 is arranged below the surface cooler 120, the motor 130 is a double-shaft motor, two output shafts of the motor 130 are connected with a fan 140, the motor 130 drives the fan 140 to work, the fan 140 blows air towards the surface cooler 120, and then air around the surface cooler 120 flows, and specifically, the motor 130 and the fan 140 are both fixed at the lower end inside the shell 100.

Referring to fig. 5 and 6, a heating unit 200 for heating the liquid in the liquid inlet pipe 121 is disposed on the liquid inlet pipe 121, the heating unit 200 includes a microwave generator 220, a magnetic supply pipe 230 is disposed inside the microwave generator 220, a heat conduction pipe 240 is disposed inside the magnetic supply pipe 230, the heat conduction pipe 240 is made of metal (such as copper, iron, etc.) with high heat conduction efficiency, the microwave generator 220 releases heat energy to the heat conduction pipe 240 through the magnetic supply pipe 230, and the heat energy heats the liquid flowing through the heat conduction pipe 240;

the microwave heating technology is a heating technology with higher heat efficiency, which has been widely used in various heating, medical apparatus and drying fields at home and abroad in recent years, the microwave is an electromagnetic wave with the wavelength range of 1 mm-1 m, the frequency range of 3.0x102-3.0xl 05MHz and the penetrating characteristic, the commonly used microwave frequencies are 915MHz and 2450MHz, the magnetic supply tube 230 is an important component forming the microwave generator 220, the specific working principle is that the power supply outputs electric power through the power supply device, the voltage required by the magnetron output microwave is provided after the transformer transformation treatment, the microwave generated by the magnetron enters the heat conducting tube 240 through the microwave conduit in the heating unit 200, and then the heat conducting tube 240 heats the liquid flowing in the heat conducting tube 240.

Referring to fig. 6, specifically, a sealing tube 210 is disposed on the outer side of the microwave generator 220, and a heat-resistant insulation layer (such as glass wool, expanded polystyrene board, polyurethane foam material, etc.) is disposed on the inner side wall of the sealing tube 210, so that heat generated by the microwave generator 220 is greatly reduced from being emitted outwards, and the heat utilization rate is improved.

Referring to fig. 4 and 5, preferably, a flow control valve 1211 for adjusting the flow rate of the liquid in the liquid inlet pipe 121 is disposed on the liquid inlet pipe 121, the flow control valve 1211 is an electromagnetic flow valve, the flow rate of the liquid entering the surface cooler 120 is adjusted by the flow control valve 1211, the flow rate of the liquid entering the surface cooler 120 is large, the heat dissipation is high, the humidity is high, and the heat dissipation is low, the temperature is low, the humidity is also low, and the heat dissipation of the surface cooler 120 is further controlled, so as to realize the adjustment of the indoor temperature and humidity, the flow control valve 1211 is electrically connected with an indoor temperature and humidity sensor (not shown in the figure), so that the indoor temperature and humidity sensor monitors the change of the indoor temperature and humidity, the indoor temperature and humidity sensor sets a preset value in advance, and then the flow control valve 1211 transmits a signal when the indoor temperature and humidity exceeds the preset value, and then the flow rate of the liquid entering the surface cooler 120 changes when the indoor temperature and humidity of the indoor gas is blown by the surface cooler 120, thereby realizing the adjustment of the indoor temperature and humidity, the automatic degree adjustment of the indoor temperature and humidity, and the automatic degree adjustment of the indoor temperature and humidity are realized, and the health of people are better adapted.

The condensed water receiving disc in the existing fan-coil unit is mostly directly communicated with a drain pipe, condensed water generated by the surface cooler 120 flows into the water receiving disc and is then directly discharged from the water receiving disc through the drain pipe, but when a building is provided with a plurality of fan-coil units, the drain pipes of the fan-coil units are usually led into a total drain pipe, and then are uniformly discharged outwards, the installed total drain pipe needs to be lower than the height of the drain pipes of all the fan-coil units, so that water can flow to the total drain pipe under the action of gravity, but if the fan-coil units need to be added later, the drain pipe of the added fan-coil unit can only be higher than the total drain pipe, and if the drain pipe of the added fan-coil unit is lower than the total drain pipe, the condensed water cannot flow to the total drain pipe, which brings great inconvenience to the later installation of the fan-coil units and has a certain limitation;

referring to fig. 7, 8 and 9, in order to solve the above problems, a drainage unit 300 for draining condensed water generated by the operation of the surface air cooler 120 is disposed at the lower side of the surface air cooler 120, the drainage unit 300 includes a water receiving tray 310, the water receiving tray 310 is mounted under the surface air cooler 120 through a supporting plate 110, one end bottom of the water receiving tray 310 is communicated with a connecting pipe 320, the connecting pipe 320 is communicated with a water inlet of a water pump 330, the water pump 330 is fixedly mounted at the inner lower end of the casing 100, a water outlet of the water pump 330 is communicated with a water outlet pipe 340, the water outlet pipe 340 extends to the outside of the casing 100, and the water outlet pipe 340 can be communicated with a total water drain pipe;

referring to fig. 9, condensed water generated by the surface cooler 120 falls into the water receiving tray 310, then enters the water pump 330 through the connecting pipe 320 in the water receiving tray 310, then the water pump 330 conveys the condensed water to the water outlet pipe 340, the water pump 330 can convey low-level water to high level, and even if the total water outlet pipe is higher than the water outlet pipe of the fan coil unit, the water pump 330 can convey the condensed water into the total water outlet pipe, thereby well solving the problems.

Referring to fig. 8, in addition, a liquid level sensor 311 is fixed at the middle upper part of the side wall of the water pan 310, the liquid level sensor 311 is electrically connected with a water pump 330, when the liquid level of the condensed water in the water pan 310 reaches the height of the liquid level sensor 311, the liquid level sensor 311 feeds the water pump 330 to emit a signal, and then the water pump 330 starts to work, so that water is drained, so that the water pump 330 works when the condensed water in the water pan 310 is accumulated to a certain amount, the water pan 310 is prevented from working only by the condensed water and then the water pump 330, the frequency of repeated starting of the water pump 330 is reduced, and the service life of the water pump 330 is greatly prolonged.

Referring to fig. 8, in addition, a filter plug 321 is disposed between the inlet of the connection pipe 320 and the water pan 310, the filter plug 321 is fixedly mounted at the bottom of the water pan 310, the filter plug 321 filters impurities in condensed water to avoid blocking the drain pipe, and has a filtering effect, and the width of the air outlet of the fan 140 is larger than that of the water pan 310 (as shown in fig. 4), so that air discharged from the air outlet of the fan 140 enters the surface air cooler 120 from two sides of the water pan 310, and the water pan 310 is prevented from blocking the air blown out from the air outlet of the fan 140.

It should be noted that: the motion states, motion tracks and the like of all mechanisms of the device can be automatically controlled through numerical control programs or PLC programming and the like, and the automatic start, stop and automatic operation are realized by matching with position switches and the like, and the programs and the programming are common knowledge of the person skilled in the art, so that the detailed description is omitted herein;

the specific model specifications of the flow control valve 1211, the motor 130, the fan 140, the microwave generator 220, the liquid level sensor 311 and the water pump 330 need to be determined by selecting the model according to the actual specifications of the device, etc., and the specific model selection calculation method adopts the prior art in the field, so that detailed description is omitted.

The power supply of the flow control valve 1211, the motor 130, the blower 140, the microwave generator 220, the level sensor 311, and the water pump 330, and the principle thereof will be apparent to those skilled in the art, and will not be described in detail herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a fan-coil unit, includes casing (100), be provided with surface cooler (120) in casing (100), the entry intercommunication of surface cooler (120) has feed liquor pipe (121), and the export intercommunication has drain pipe (122), the below of surface cooler (120) is provided with motor (130), the output shaft of motor (130) has fan (140), a serial communication port, be provided with on feed liquor pipe (121) and give liquid heating's heating unit (200) in feed liquor pipe (121), heating unit (200) include microwave generator (220), microwave generator (220) inboard is provided with magnetic supply pipe (230), magnetic supply pipe (230) inboard is provided with heat pipe (240), microwave generator (220) make heat pipe (240) release heat energy through magnetic supply pipe (230), and heat energy heats the liquid that flows in heat pipe (240).

2. A fan-coil unit according to claim 1, wherein a support plate (110) is fixed in the housing (100), and the surface cooler (120) is fixedly installed on the upper side of the interior of the housing (100) through the support plate (110).

3. A fan-coil unit according to claim 1, wherein the outside of the microwave generator (220) is provided with a sealing tube (210), and the inside wall of the sealing tube (210) is provided with a heat-resistant insulation layer.

4. A fan-coil unit according to claim 1, wherein the liquid inlet pipe (121) is provided with a flow control valve (1211) for adjusting the flow rate of the liquid in the liquid inlet pipe (121).

5. The fan-coil unit according to claim 2, wherein a drainage unit (300) for draining condensed water generated by the operation of the surface air cooler (120) is arranged at the lower side of the surface air cooler (120), the drainage unit (300) comprises a water receiving disc (310), the water receiving disc (310) is arranged right below the surface air cooler (120) through a supporting plate (110), a connecting pipe (320) is communicated with the bottom of one end of the water receiving disc (310), the connecting pipe (320) is communicated with the water inlet of a water pump (330), a water outlet of the water pump (330) is communicated with a water outlet pipe (340), and the water outlet pipe (340) extends to the outside of the shell (100).

6. The fan-coil unit according to claim 5, wherein a liquid level sensor (311) is fixed to the middle upper portion of the side wall of the water pan (310), and the liquid level sensor (311) is electrically connected to the water pump (330).

7. The fan-coil unit according to claim 6, wherein a filter plug (321) is provided between the inlet of the connecting pipe (320) and the water pan (310), and the filter plug (321) is fixedly mounted at the bottom of the water pan (310).

8. The fan-coil unit according to claim 1, wherein the bottom end of the housing (100) is provided with an air inlet (101), the air inlet (101) is arranged below the surface air cooler (120), the top end of the housing (100) is provided with an air outlet (102), and the air outlet (102) is arranged above the surface air cooler (120).

9. The fan-coil unit according to claim 8, wherein the air inlet (101) is provided with a base (150) on both sides thereof, and the base (150) is fixedly mounted on both sides of the bottom end of the housing (100).

10. The fan-coil unit of claim 7, wherein the fan (140) outlet has a width greater than a width of the water pan (310).