Fan coil

Abstract

The utility model discloses a fan coil, and particularly relates to the technical field of fan coils, the fan coil comprises a fan coil main body, two fans are arranged on the rear side of the fan coil main body, a coil is arranged in the fan coil main body, the water inlet end and the water outlet end of the coil are both located on one side of the fan coil main body, a tray is arranged below the fan coil main body, and the fan coil main body is arranged on the tray. Drainage hoses are fixedly arranged on the two sides of the tray, an exhaust channel is fixedly arranged on the rear wall in the tray, and an air outlet groove is formed in the front side of the exhaust channel. The exhaust channel is arranged in the tray, air at the fan is guided into the exhaust channel through the air guide pipe, the air entering the exhaust channel is finally blown to the inner wall of the tray through the air outlet groove, after condensate water is discharged, the inner wall of the tray is quickly dried, the tray is prevented from being rusted in a humid state, and the service life of the tray is prolonged. And the service life of the tray is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of fan coil units, in particular to a fan coil unit. Background Art

[0002] The fan coil unit is the terminal device of the air-conditioning system, which is generally installed indoors. The fan drives the air into the fan coil unit. The coil inside can use cold or hot water to adjust the temperature of the air, and finally discharge the conditioned air, thereby adjusting the indoor temperature.

[0003] The bottom of the fan coil unit is generally equipped with a tray structure for collecting and processing condensed water dripping during use, such as the automatic exhaust valve and fan coil unit for the fan coil unit disclosed in the prior art with publication number CN207975315U.

[0004] The main components of the fan coil unit, including the tray structure, are mostly made of iron. Condensed water causes the inside of the tray structure to be moist for a long time, so the tray structure is very easy to rust, resulting in a short service life. Utility Model Content

[0005] The purpose of the utility model is to provide a fan coil unit, which guides the air at the fan to the inside of the exhaust channel through an air guide pipe, and the air entering the exhaust channel is finally blown to the inner wall of the tray through the air outlet slot. After the condensed water is discharged, the inner wall of the tray is quickly dried to avoid rusting of the tray due to a wet state, thereby increasing the service life of the tray.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fan coil unit, comprising a fan coil unit main body, two fans are arranged at the rear side of the fan coil unit main body, a coil is arranged inside the fan coil unit main body, a water inlet end and a water outlet end of the coil are both located on one side of the fan coil unit main body, a tray is arranged below the fan coil unit main body, drainage hoses are fixedly arranged on both sides of the tray, and an automatic exhaust valve is arranged at the water outlet end of the fan coil unit main body;

[0007] An exhaust duct is fixedly provided on the inner rear wall of the tray, an air outlet slot is opened on the front side of the exhaust duct, the air outlet slot is inclined obliquely downward, and the air blown out of the air outlet slot is blown obliquely downward, and two air guide pipes are fixedly provided on the rear side of the exhaust duct, one end of the two air guide pipes is respectively connected to the air outlets of two fans.

[0008] The automatic exhaust valve comprises a valve body, and the valve body comprises a connecting pipe fixedly arranged at the water outlet end of the coil, a shell is fixedly arranged at the top end of the connecting pipe, and a detachable top cover is arranged at the top end of the shell.

[0009] Furthermore, an exhaust cabin is provided on the top of the top cover, and two conduits are fixedly provided on the bottom end of the exhaust cabin. The bottom ends of the conduits are fixedly connected to the top cover and communicate with the interior of the outer shell. The air in the outer shell can enter the exhaust cabin through the conduits, and an exhaust hole is opened at the center position of the bottom end of the exhaust cabin.

[0010] Furthermore, a buoyancy ball with a density less than that of water is provided inside the shell, a push rod is fixedly provided at the top of the buoyancy ball, the top of the push rod extends to the top of the top cover and is fixedly provided with a closing plate, the closing plate is located directly below the exhaust hole, and a sealing gasket is fixedly provided at the top of the closing plate.

[0011] Furthermore, a sleeve is fixedly provided on the top of the top cover, the sleeve is sleeved on the outer end of the push rod, a sealing ring is fixedly provided on the top of the sleeve, the inner side of the sealing ring is in contact with the outer end of the push rod, and an isolation net is fixedly provided on the inner wall of the outer shell, and the isolation net is located at the bottom of the buoyancy ball.

[0012] Furthermore, an inclined block is fixedly provided at the bottom end of the tray, a filter screen is provided on the inner wall of the tray for filtering, the fan coil unit body is arranged on the top of the filter screen, the exhaust channel is located above the inclined block, and the filter screen is located above the exhaust channel.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. An exhaust channel is set inside the tray, and the air at the fan is guided to the exhaust channel by the air guide pipe. The air entering the exhaust channel is finally blown to the inner wall of the tray through the air outlet slot. After the condensed water is discharged, the inner wall of the tray is quickly dried to avoid rusting of the tray due to moisture, thereby extending the service life of the tray.

[0015] 2. By arranging the closing plate, exhaust hole, sealing gasket and other related components outside the shell, there is no need to open the shell during maintenance, which makes maintenance more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is the main structural diagram of the fan coil unit;

[0018] Figure 2 This is a structural diagram of a fan coil unit viewed from above;

[0019] Figure 3 This is the exploded view of the fan coil tray;

[0020] Figure 4 It is a side cross-sectional view of the exhaust passage of the fan coil unit;

[0021] Figure 5 This is the structure diagram of the automatic exhaust valve;

[0022] Figure 6 This is a cross-sectional view of the automatic exhaust valve.

[0023] Description of reference numerals:

[0024] 1. Fan coil unit body; 101. Fan; 102. Coil; 2. Valve body; 201. Casing; 202. Isolation net; 203. Connecting pipe; 204. Floating ball; 205. Top cover; 206. Casing; 207. Push rod; 208. Closing plate; 209. Exhaust compartment; 210. Exhaust hole; 211. Conduit; 3. Tray; 4. Inclined block; 5. Filter; 6. Exhaust duct; 7. Air outlet slot; 8. Air duct. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-Figure 4 The fan coil unit shown comprises a fan coil unit body 1, two fans 101 are arranged at the rear side of the fan coil unit body 1, a coil 102 is arranged inside the fan coil unit body 1, a water inlet end and a water outlet end of the coil 102 are both located at one side of the fan coil unit body 1, a tray 3 is arranged below the fan coil unit body 1, and drainage hoses are fixedly arranged on both sides of the tray 3;

[0027] An exhaust duct 6 is fixedly provided on the inner rear wall of the tray 3, an air outlet slot 7 is opened on the front side of the exhaust duct 6, and the air outlet slot 7 is inclined obliquely downward. The air blown out of the air outlet slot 7 blows obliquely downward. Two air guide pipes 8 are fixedly provided on the rear side of the exhaust duct 6, and one end of the two air guide pipes 8 is respectively connected to the air outlets of two fans 101.

[0028] Water flows into the fan coil unit body 1 through the water inlet end of the coil unit 102, and at the same time, the fan 101 blows external air into the fan coil unit body 1. The air contacts the coil unit 102 inside the fan coil unit body 1, and the temperature of the air is adjusted by the water inside the coil unit 102. The air after the temperature adjustment is finally discharged through the exhaust port of the fan coil unit body 1.

[0029] During operation, condensed water generated by the fan coil body 1 drips into the tray 3, and the condensed water entering the tray 3 is finally discharged outward through the drain hose. At the same time, the air driven by the fan 101 enters the exhaust duct 6 through the air duct 8, and the air entering the exhaust duct 6 is finally blown toward the inner wall of the tray 3 through the air outlet slot 7. After the condensed water is discharged, the inner wall of the tray 3 is quickly dried to avoid rusting of the tray 3 due to moisture, thereby increasing the service life of the tray 3.

[0030] An inclined block 4 is fixedly provided at the bottom end of the tray 3, a filter screen 5 for filtering is provided on the inner wall of the tray 3, the fan coil unit body 1 is arranged at the top of the filter screen 5, the exhaust passage 6 is located above the inclined block 4, and the filter screen 5 is located above the exhaust passage 6.

[0031] The inclined block 4 is arranged in the middle position inside the tray 3. The top of the inclined block 4 is two symmetrical slopes, which play a guiding role, and guide the condensed water falling into the tray 3 to the two sides of the tray 3 so as to be quickly discharged through the drain hose. The fan coil body 1 is located on the filter 5. The condensed water can fall into the tray 3 through the filter 5, while other impurities are difficult to enter the tray 3 through the filter 5, so it is easy to clean the tray 3.

[0032] The water outlet of the fan coil unit body 1 is provided with an automatic exhaust valve. Figure 1 , Figure 5 , Figure 6 As shown, the automatic exhaust valve includes a valve body 2, and the valve body 2 includes a connecting pipe 203 fixedly arranged at the water outlet end of the coil 102, a shell 201 is fixedly arranged at the top of the connecting pipe 203, and a detachable top cover 205 is arranged at the top of the shell 201.

[0033] An exhaust cabin 209 is provided on the top of the top cover 205, and two ducts 211 are fixedly provided at the bottom of the exhaust cabin 209. The bottom ends of the ducts 211 are fixedly connected to the top cover 205 and communicate with the interior of the outer shell 201. The air in the outer shell 201 can enter the exhaust cabin 209 through the ducts 211. An exhaust hole 210 is opened at the center of the bottom of the exhaust cabin 209.

[0034] The outer shell 201 is connected to the water outlet end of the coil 102 through the connecting pipe 203, so that the water inside the coil 102 can enter the outer shell 201 through the connecting pipe 203. If there is air inside the pipe of the coil 102, the air will enter the outer shell 201 through the connecting pipe 203 under the action of buoyancy and eventually float above the liquid surface. The air above the liquid surface of the outer shell 201 can enter the exhaust cabin 209 through the conduit 211 and be discharged through the exhaust hole 210 when the exhaust hole 210 is opened.

[0035] Whether to open the exhaust hole 210 depends on the liquid level inside the housing 201. Figure 6 As shown, a buoyancy ball 204 with a density less than that of water is provided inside the shell 201, a push rod 207 is fixedly provided on the top of the buoyancy ball 204, the top of the push rod 207 extends to the top of the top cover 205 and is fixedly provided with a closing plate 208, the closing plate 208 is located directly below the exhaust hole 210, and a sealing gasket is fixedly provided on the top of the closing plate 208.

[0036] A sleeve 206 is fixedly provided on the top of the top cover 205, and the sleeve 206 is sleeved on the outer end of the push rod 207. A sealing ring is fixedly provided on the top of the sleeve 206, and the inner side of the sealing ring contacts the outer end of the push rod 207. An isolation net 202 is fixedly provided on the inner wall of the outer shell 201, and the isolation net 202 is located at the bottom of the buoyancy ball 204.

[0037] When the liquid level inside the shell 201 is high, it means that there is less air inside the shell 201 and no exhaust is needed. At this time, the buoyancy ball 204 floats on the liquid surface inside the shell 201. The liquid level is high, so the position of the buoyancy ball 204 is high. Under the action of buoyancy, the buoyancy ball 204 pushes the push rod 207 and the closing plate 208 upward, so that the sealing gasket at the top of the closing plate 208 closes the exhaust hole 210. If more and more air enters the shell 201 from the pipe of the coil 102, the liquid level inside the shell 201 will drop, and the buoyancy ball 204 will drop synchronously with it. The buoyancy ball 204 drives the push rod 207 and the closing plate 208 to move downward, so that the sealing gasket is separated from the exhaust chamber 209, and the exhaust hole 210 is opened. Therefore, the air in the shell 201 passes through the conduit 211 and the exhaust chamber 209, and is finally discharged from the exhaust hole 210, thereby achieving the purpose of automatic exhaust.

[0038] The automatic exhaust valve has only the buoyancy ball 204 located inside the housing 201, and other related components, such as the closing plate 208, the exhaust hole 210, and the sealing gasket, are all located outside the housing 201. The housing 201 does not need to be opened for maintenance, which makes maintenance more convenient.

[0039] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A fan coil unit, comprising a fan coil unit body (1), wherein two fans (101) are arranged at the rear side of the fan coil unit body (1), and a coil unit (102) is arranged inside the fan coil unit body (1), characterized in that: A tray (3) is provided below the fan coil unit body (1), and an automatic exhaust valve is provided at the water outlet end of the fan coil unit body (1); An exhaust passage (6) is fixedly provided on the inner rear wall of the tray (3); an air outlet slot (7) is provided on the front side of the exhaust passage (6); the air outlet slot (7) is inclined obliquely downward; two air guide pipes (8) are fixedly provided on the rear side of the exhaust passage (6); one end of the two air guide pipes (8) is respectively connected to the air outlets of two fans (101); The automatic exhaust valve comprises a valve body (2), the valve body (2) comprises a connecting pipe (203) fixedly arranged at the water outlet end of the coil (102), a housing (201) fixedly arranged at the top end of the connecting pipe (203), and a detachable top cover (205) arranged at the top end of the housing (201); An exhaust chamber (209) is provided at the top of the top cover (205); two conduits (211) are fixedly provided at the bottom of the exhaust chamber (209); the bottom ends of the conduits (211) are fixedly connected to the top cover (205) and communicate with the interior of the housing (201); an exhaust hole (210) is provided at the center of the bottom end of the exhaust chamber (209); A buoyancy ball (204) having a density less than that of water is disposed inside the housing (201); a push rod (207) is fixedly disposed on the top of the buoyancy ball (204); the top of the push rod (207) extends to the top of the top cover (205) and is fixedly disposed with a closing plate (208); the closing plate (208) is located directly below the exhaust hole (210); A sleeve (206) is fixedly provided on the top of the top cover (205), and the sleeve (206) is sleeved on the outer end of the push rod (207). An isolation net (202) is fixedly provided on the inner wall of the outer shell (201), and the isolation net (202) is located at the bottom of the buoyancy ball (204).

2. The fan coil unit according to claim 1, characterized in that: An inclined block (4) is fixedly provided at the bottom end of the tray (3), a filter screen (5) having a filtering function is provided on the inner wall of the tray (3), and the fan coil unit body (1) is arranged at the top of the filter screen (5).

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