CN112944484A

CN112944484A - Energy-saving heating and ventilation system using fan coil

Info

Publication number: CN112944484A
Application number: CN202110247806.0A
Authority: CN
Inventors: 王从木; 陶高翔
Original assignee: China And Foreign Construction Installation Co ltd
Current assignee: China And Foreign Construction Installation Co ltd
Priority date: 2021-03-06
Filing date: 2021-03-06
Publication date: 2021-06-11

Abstract

The application relates to an energy-saving heating ventilation system applying a fan coil, which belongs to the technical field of fan coils and comprises the fan coil, wherein the fan coil comprises a case and a surface cooler, the surface cooler is fixedly arranged in the case, the case is provided with two wiping components, each wiping component comprises a pressing plate and a hairbrush, the hairbrush is positioned in the case and abutted against the surface cooler, one end of each pressing plate penetrates through the case and is fixedly connected with the hairbrush, the pressing plates are arranged in a sliding manner along the vertical direction relative to the case, the two wiping components are respectively positioned at two sides of the surface cooler, the case is communicated with a water collecting tank, a sealing plate for supplying condensate water to flow into the water collecting tank but not to flow back is arranged between the water collecting tank and the case, the water collecting tank is positioned below the pressing plates, and a cleaning component for supplying the condensate water in the water collecting tank to be pumped to the hairbrush is, the quick clearance of debris such as condenser surface dust guarantees the work efficiency of condenser, the effect of using manpower sparingly.

Description

Energy-saving heating and ventilation system using fan coil

Technical Field

The application relates to the technical field of fan coil, in particular to an energy-saving heating and ventilation system applying the fan coil.

Background

The existing fan coil unit is called fan coil for short. It is one of the end devices of air conditioning system composed of small fan, motor and coil pipe. The coil pipe is also called as a surface cooler, and when chilled water or hot water flows through the coil pipe, the heat is exchanged with air outside the pipe, so that the air is cooled, dehumidified or heated to adjust indoor air parameters. It is the terminal device of cooling, heat supply commonly used, and fan coil can divide into according to structural style: vertical, horizontal, wall-mounted, clamped, etc.; heating and ventilation is a component of a building and comprises: heating, ventilation and air conditioning, and the fan coil is a small heating and ventilation system.

The existing Chinese patent with reference to publication No. CN2615563Y discloses a fan coil for cooling and heating, which comprises a casing, a surface cooler arranged in the casing, two protection boxes arranged at two ends of the surface cooler, and a return air bottom plate arranged below the surface cooler, wherein the two protection boxes are respectively sleeved at two ends of the surface cooler, the surface cooler is fixed on end plates at two ends of the casing through the two protection boxes, the return air bottom plate is divided into three parts along the length direction of the surface cooler, the two bottom plates at two sides are respectively connected with the end plates at two ends of the casing, and the middle bottom plate is directly connected with the surface cooler.

The fan coil needs to clear up the surface cooler after long-time use and maintain, clears away dust and the floccule on surface of the surface cooler, guarantees the work efficiency of surface cooler.

In view of the above-mentioned related art, the inventor thinks that the fan coil needs to be dismantled in the surface cooler washing, has the inconvenient defect that consumes manpower of operation.

Disclosure of Invention

In order to reach the effect that the surface cooler washs conveniently, uses manpower sparingly, this application provides an energy-conserving warm logical system of using fan coil.

The application provides an use energy-conserving warm logical system of ventilating of fan coil adopts following technical scheme:

an energy-saving heating ventilation system applying a fan coil comprises the fan coil, wherein the fan coil comprises a case and a surface cooler, the surface cooler is fixedly arranged in the case, the case is provided with two wiping components, each wiping component comprises a pressing plate and a brush, the brushes are positioned in the case and abutted to the surface cooler, one end of each pressing plate penetrates through the case and is fixedly connected with the corresponding brush, the pressing plates are arranged in a sliding manner relative to the case along the vertical direction, the two wiping components are respectively positioned on two sides of the surface cooler, the case is communicated with a water collecting tank, a sealing plate for supplying condensed water in the case to flow into the water collecting tank but not to flow back is arranged between the water collecting tank and the case, the water collecting tank is positioned below the pressing plates, a cleaning component is arranged between the water collecting tank and the pressing plates, the cleaning component comprises a water pressure water device and a water supply pipe, the bottom end of the water, the other end penetrates through the case and is fixedly connected with the hairbrush.

By adopting the technical scheme, the surface cooler can generate condensed water when adjusting the temperature of the indoor air, the condensed water drops into the case and then flows into the water collecting tank through the sealing plate, when the surface cooler is cleaned, a worker holds the pressing plate at one end of the outer part of the case, moves the pressing plate up and down, drives the hairbrush to clean dust and floccules on the surface of the surface cooler, moves the pressing plate along the vertical direction, repeatedly compressing the water pressing device, inflating the water collecting tank by the water pressing device to destroy the air pressure balance in the water collecting tank, pumping the condensed water in the water collecting tank to the hairbrush through the water delivery pipe to moisten and brush the surface of the condenser, so that the condenser can be cleaned without being detached, can accomplish the washing to the condenser, play recycle to the comdenstion water simultaneously, it is convenient to reach the surface cooler and wash, uses manpower sparingly effect.

Optionally, a strip hole is formed in the case, the strip hole is located in a vertical side wall of the case, the strip hole is vertically formed, the pressing plate penetrates through the strip hole, the side wall, close to the strip hole, of the pressing plate is abutted to a wall of the strip hole, a spring is arranged between the case and the hairbrush, the spring is vertically arranged, one end of the spring is fixedly connected with the inner wall of the top of the case, and the other end of the spring is fixedly connected with one end of the hairbrush away from the pressing plate.

Through adopting above-mentioned technical scheme, offering of rectangular hole provides the slip route for the vertical slip of clamp plate, has restricted the displacement of clamp plate in the horizontal direction simultaneously, makes the clamp plate drive brush and condenser keep the stable distance all the time, avoids the excessive collision of brush and condenser, and the setting of spring makes when cleaning the subassembly rebound more light, and when cleaning the subassembly and not using, the subassembly remains stable is cleaned to spring cooperation squeezer messenger simultaneously.

Optionally, brush length direction sets up along keeping away from the clamp plate direction, and the header tank one end is kept away from to the flow pipe is along brush length direction embedded just to the lateral wall of surface cooler on the brush, is provided with the shower nozzle on the flow pipe, and the shower nozzle is provided with a plurality ofly, and adjacent shower nozzle sets up along flow pipe length direction equidistance, is close to the shower nozzle of flow pipe delivery end department and the water delivery pipe outlet end intercommunication, and the shower nozzle is all embedded to be fixed on the brush, and the shower nozzle all sets up towards the surface cooler.

Through adopting above-mentioned technical scheme, the space has been saved on the brush to water supply pipe and shower nozzle are embedded, has avoided the possibility of shower nozzle and surface cooler collision simultaneously, and the setting up of a plurality of shower nozzles makes the cleaning assembly cooperation cleaning assembly clear up the surface cooler cleaner, and the scope that shower nozzle blowout comdenstion water covered enlarges, has promoted the cleaning efficiency to the surface cooler.

Optionally, the number of the strip holes arranged corresponds to the number of the wiping assemblies, the two strip holes are located on the same vertical side wall of the case, the water collecting tank is provided with one water collecting tank, and the number of the cleaning assemblies arranged corresponds to the number of the wiping assemblies is two.

By adopting the technical scheme, the two strip holes are arranged on the same side wall of the case, so that a worker can operate two wiping components on one side of the case, and the water collecting tank is arranged one by one, thereby saving the setting quantity of the water collecting tank, saving materials and reducing the occupied area.

Optionally, a sealing cover is hinged to the case, the sealing cover and the water collecting tank are located on the same side of the case, when the sealing cover is in a closed state, the water collecting tank, a pressing plate located outside the case and the water press are located in a space formed by the sealing cover and the outer wall of the case, and a lock catch for fixing the sealing cover is arranged between the sealing cover and the case.

By adopting the technical scheme, when the wiping component is not used, the sealing cover and the outer wall of the case form a closed space, and when the fan coil runs, air cannot flow to the outside through the strip holes, so that the normal air flow path of the fan coil during working is ensured.

Optionally, a sealing strip is fixedly arranged on the sealing cover, the sealing strip is located at a position where the sealing cover abuts against the outer wall of the case, and the sealing strip is made of soft materials.

Through adopting above-mentioned technical scheme, the leakproofness in sealed cowling and quick-witted case outer wall formation space has been strengthened in the setting up of sealing strip, further makes fan coil do man-hour, and the air flows along original normal route, does not flow to rectangular hole department.

Optionally, a connecting rod is arranged between adjacent pressure plates, and the end of the connecting rod is fixedly connected with the pressure plate close to the connecting rod correspondingly.

Through adopting above-mentioned technical scheme, the setting up of connecting rod enables the staff singlehanded two clamp plates of pushing down simultaneously, promotes staff's work efficiency.

Optionally, all be provided with the deep bead on the clamp plate, the vertical setting of deep bead, deep bead top and clamp plate fixed connection, deep bead and quick-witted case outer wall butt, the deep bead covers the rectangular hole region that will be located the clamp plate below all the time.

Through adopting above-mentioned technical scheme, the setting of deep bead, when the clamp plate does not use, the clamp plate does not exert pressure to the squeezer, and squeezer cooperation spring makes the clamp plate be located rectangular hole top department, and deep bead cooperation clamp plate carries out the shutoff with rectangular hole to reach fan coil and do man-hour, the air flows along original normal route, does not to the effect that rectangular hole department flows.

Optionally, a through groove is formed in the abutting position of the case and the water collecting tank, the sealing plate is located in the through groove, the top of the sealing plate is hinged to the through groove, the circumferential side wall of the sealing plate is abutted to the wall of the through groove, the sealing plate is vertically arranged, the bottom of the sealing plate is obliquely arranged, the oblique direction is obliquely and downwards arranged along the direction close to the inside of the water collecting tank, and the wall of the through groove is matched with the.

Through adopting above-mentioned technical scheme, flow closing plate department when the comdenstion water, promote the closing plate and open, in the comdenstion water flows the header tank then, when the water squeezer pressurizes in to the header tank, closing plate and logical groove cell wall butt can't open to quick-witted incasement portion upset, realize the folk prescription to sealed effect, simple structure is practical, and guarantees the normal use of wasing the subassembly.

Optionally, the inner wall of the bottom of the case is inclined, and the inclined direction is inclined downwards along one side close to the water collection tank.

Through adopting above-mentioned technical scheme, the bottom of the case inner wall that the slope set up makes in the more swift flow direction header tank of comdenstion water, reduces piling up of quick-witted incasement portion comdenstion water, prolongs the life of quick-witted case.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the wiping component can quickly clean impurities such as dust on the surface of the condenser on the premise of realizing the non-disassembly of the surface cooler, thereby ensuring the working efficiency of the condenser and saving the labor;

2. the cleaning component is matched with the wiping component, the condensed water is recycled, the cleaning and wiping effect on the surface of the condenser is improved, the cleaning component is started when the cleaning component is used, workers are fully enabled to do work, and the manpower is saved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view showing an opened state of the sealing cap;

FIG. 3 is a vertical sectional view of the overall structure of the embodiment of the present application;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;

FIG. 5 is a schematic view of a portion of a cleaning assembly.

In the figure, 1, a fan coil; 11. a surface cooler; 12. a chassis; 121. a strip hole; 122. a spring; 2. a wiping component; 21. pressing a plate; 22. a brush; 3. a water collection tank; 31. a sealing plate; 4. cleaning the assembly; 41. a water pump; 42. a water supply pipe; 421. a spray head; 5. a sealing cover; 51. locking; 52. a sealing strip; 6. a connecting rod; 7. a wind deflector; 8. a through groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses energy-conserving heating system that leads to of applied fan coil.

Referring to fig. 1 and 2, an energy-saving heating and ventilation system using a fan coil includes a fan coil 1, the fan coil 1 includes a surface air cooler 11 and a case 12, the surface air cooler 11 is fixedly disposed inside the case 12, a wiping component 2 is disposed on the case 12, a water collection tank 3 and a cleaning component 4, the wiping component 2 is used for wiping the outer surface of the surface air cooler 11, a worker can clean the surface air cooler 11 outside the case 12, the water collection tank 3 is used for collecting surface condensed water of the surface air cooler 11, the cleaning component 4 is used for pumping the condensed water in the water collection tank 3 to the surface air cooler 11 when the wiping component 2 is used, the cleaning effect of the wiping component 2 on the surface of the surface air cooler 11 is improved, the effect of cleaning the surface air cooler 11 without detaching the surface air cooler 11 is achieved, and manpower is saved.

Referring to fig. 3 and 4, the entire case 12 is rectangular, the wiping assembly 2 includes a pressing plate 21 and a brush 22, two strip holes 121 are formed in the vertical side wall of the case 12, the length direction of each of the two strip holes 121 is formed along the vertical direction, the two strip holes 121 are located on the same vertical side wall of the case 12, the pressing plate 21 is rectangular and long, the pressing plate 21 and the brush 22 are horizontally arranged, and the strip holes 121 are adapted to the pressing plate 21, that is, the side wall of the pressing plate 21 close to the strip holes 121 abuts against the hole wall of the strip hole 121; brush 22 is located quick-witted case 12 inside, clamp plate 21 one end is run through rectangular hole 121 and brush 22 one end fixed connection, brush 22 self brush hair and 11 surperficial butt of surface cooler, brush 22 length direction is along keeping away from the setting of encorbelmenting of clamp plate 21 direction, it is provided with two to clean 2 corresponding rectangular hole 121 quantities of subassembly, two brush 22 are located 11 both sides of surface cooler respectively, be provided with connecting rod 6 between two clamp plates 21, 6 level settings of connecting rod, and perpendicular clamp plate 21 sets up, connecting rod 6 is located quick-witted case 12 outsidely, 6 tip of connecting rod and the clamp plate 21 fixed connection that 6 tip of connecting rod are close to, make the handheld connecting rod 6 of workman can remove two simultaneously and clean subassembly.

Referring to fig. 2, fixed deep bead 7 that is provided with on the clamp plate 21, the vertical setting of

deep bead

7, 7 tops of deep bead and clamp plate 21 bottom surface fixed connection, the lateral wall and the quick-witted case 12 outer wall butt that the deep bead 7 is close to quick-witted case 12, deep bead 7 follows the relative quick-witted case 12 displacement of clamp plate 21 along rectangular hole 121 length direction, when clamp plate 21 is located rectangular hole 121 top, clamp plate 21 cooperation deep bead 7 is with the complete shutoff of rectangular hole 121, the material and the molding that deep bead 7 adopted are the same with the bellows, thereby make deep bead 7 not take place to hinder with header tank 3, when clamp plate 21 is located rectangular hole 121 top, deep bead 7 is for launching the flat condition.

Referring to fig. 3 and 4, a spring 122 is disposed in the cabinet 12, the spring 122 is disposed vertically, the spring 122 is located at a position of the brush 22 far away from the pressing plate 21, a top end of the spring 122 is fixedly connected to an inner wall of the top of the cabinet 12, and a bottom end of the spring 122 is fixedly connected to a top surface of the brush 22.

Referring to fig. 3 and 5, the water collecting tank 3 is located outside the case 12, the side wall of the water collecting tank 3 abuts against the side wall of the case 12, the side wall of the water collecting tank 3 and the case 12 abut against each other has a through groove 8, the through groove 8 opens the inside of the water collecting tank 3 and the inside of the case 12, the through groove 8 supplies the condensate water at the bottom of the case 12 to flow into the water collecting tank 3, a sealing plate 31 is arranged between the water collecting tank 3 and the case 12, the sealing plate 31 is located at the through groove 8, the sealing plate 31 is vertically arranged, the top of the sealing plate 31 is hinged to the top of the through groove 8, the hinge shaft is horizontally arranged, the circumferential side wall of the sealing plate 31 abuts against the inner wall of the through groove 8, the bottom surface of the sealing plate 31 is obliquely arranged, the oblique.

Referring to fig. 3, the bottom of the case 12 is inclined, and the inclined direction is inclined downwards along the direction close to the through groove 8 and is smoothly connected with the groove wall of the bottom of the through groove 8, so that the condensed water dropping on the surface air cooler 11 can flow into the water collecting tank 3 more quickly, and the accumulation of the condensed water at the bottom of the case 12 is reduced.

Referring to fig. 4 and 5, the cleaning assembly 4 includes a water pressing device 41 and a water supply pipe 42, the water pressing device 41 is located outside the case 12, the water pressing device 41 is located between the pressing plate 21 and the water collecting tank 3, the water pressing device 41 is a water dispenser water pressing device 41, the bottom end of the water pressing device 41 is communicated with the inside of the water collecting tank 3, one end of the water supply pipe 42 is located inside the water collecting tank 3, the other end of the water supply pipe 42 penetrates through the water pressing device 41 and the case 12 and is embedded and fixed on the side wall of the surface air cooler 11 opposite to the brush 22 along the rear edge, the part of the water supply pipe 42 fixed on the brush 22 is arranged along the length direction of the brush 22, the water supply pipe 42 penetrates through the water pressing device 41 and does not; the water supply pipe 42 is provided with a plurality of spray heads 421, the spray heads 421 are arranged along the length direction of the water supply pipe 42 at equal intervals, the spray heads 421 are all communicated with the water supply pipe 42, the spray heads 421 are only distributed on the water supply pipe 42 positioned on the hairbrush 22 area, the spray heads 421 positioned at the water outlet end of the water supply pipe 42 are communicated with the water outlet end of the water supply pipe 42, and the water spray outlets of the spray heads 421 are all arranged towards the surface air cooler 11.

Referring to fig. 2 and 5, a sealing cover 5 is arranged on the outer wall of the case 12, the sealing cover 5 and the water collecting tank 3 are located on the outer wall of the same side of the case 12, the top end of the sealing cover 5 is hinged to the case 12, the hinge shaft is horizontally arranged, the sealing cover 5 is abutted to the outer wall of the case 12 at a position close to the case 12 in a closed state of the sealing cover 5, the water collecting tank 3, the water pressurizer 41 and the pressing plate 21 located outside the case 12 are covered by a closed space formed by the sealing cover 5 and the side wall of the case 12, a sealing strip 52 is arranged between the sealing cover 5 and the outer wall of the case 12, the sealing strip 52 is fixedly connected with the sealing cover 5, a lock catch 51 is arranged between the sealing cover 5 and the.

The implementation principle of the energy-saving heating and ventilation system applying the fan coil is as follows: open hasp 51, open sealed cowling 5, handheld connecting rod 6, along vertical direction reciprocating motion connecting rod 6, connecting rod 6 drives brush 22 through clamp plate 21 and cleans 11 surfaces of surface cooler, clamp plate 21 removes the in-process and extrudes squeezer 41, squeezer 41 changes the atmospheric pressure in the header tank 3, thereby make the comdenstion water in the header tank 3 spray brush 22 and surface cooler 11 through the delivery pipe 42 and the pumping of shower nozzle 421 on the surface, strengthen the clearance effect to surface cooler 11, the comdenstion water that the work of surface cooler 11 produced has been recycled simultaneously, have under the prerequisite that surface cooler 11 does not dismantle, the swift clearance of debris such as condenser surface dust, guarantee the work efficiency of condenser, the effect of using manpower sparingly.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an energy-conserving warm system of ventilating of application fan coil, includes fan coil (1), and fan coil (1) contains quick-witted case (12) and surface cooler (11), and fixed the setting in quick-witted case (12) of surface cooler (11), its characterized in that: the cleaning device is characterized in that a cleaning component (2) is arranged on the case (12), the cleaning component (2) comprises a pressing plate (21) and a brush (22), the brush (22) is positioned inside the case (12) and is abutted against the surface cooler (11), one end of the pressing plate (21) penetrates through the case (12) and is fixedly connected with the brush (22), the pressing plate (21) is arranged in a sliding manner relative to the case (12) along the vertical direction, two cleaning components (2) are arranged, the two cleaning components (2) are respectively positioned at two sides of the surface cooler (11), the case (12) is communicated with a water collecting tank (3), a sealing plate (31) for supplying condensed water to flow into the water collecting tank (3) but not to flow back is arranged between the water collecting tank (3) and the case (12), the water collecting tank (3) is positioned below the pressing plate (21), a cleaning component (4) is arranged between the water collecting tank (3) and the pressing plate (21), and the cleaning component (, the bottom end of the water pressing device (41) is communicated with the inside of the water collecting tank (3), the top end of the water pressing device is abutted against the bottom surface of the pressing plate (21), one end of the water delivery pipe (42) is positioned inside the water collecting tank (3), and the other end of the water delivery pipe penetrates through the case (12) and is fixedly connected with the brush (22).

2. The energy-saving heating and ventilating system using the fan coil as claimed in claim 1, wherein: the improved hairbrush is characterized in that a strip hole (121) is formed in the case (12), the strip hole (121) is located on a vertical side wall of the case (12), the strip hole (121) is vertically formed, the pressing plate (21) penetrates through the strip hole (121), the side wall, close to the strip hole (121), of the pressing plate (21) is abutted to the wall of the strip hole (121), a spring (122) is arranged between the case (12) and the hairbrush (22), the spring (122) is vertically arranged, one end of the spring (122) is fixedly connected with the inner wall of the top of the case (12), and the other end of the spring and the hairbrush (22) are fixedly connected with one end of the pressing plate (21.

3. The energy-saving heating and ventilating system using the fan coil as claimed in claim 2, wherein: brush (22) length direction sets up along keeping away from clamp plate (21) direction, header tank (3) one end is kept away from in flow pipe (42) along brush (22) length direction embedded just to on the lateral wall of surface cooler (11) brush (22), be provided with shower nozzle (421) on flow pipe (42), shower nozzle (421) are provided with a plurality ofly, adjacent shower nozzle (421) set up along flow pipe (42) length direction equidistance, be close to shower nozzle (421) and the play water end intercommunication of flow pipe (42) delivery end department, shower nozzle (421) are all embedded to be fixed on brush (22), and shower nozzle (421) all set up towards surface cooler (11).

4. The energy-saving heating and ventilating system using the fan coil as claimed in claim 2, wherein: the number of the strip holes (121) is two corresponding to the number of the wiping components (2), the two strip holes (121) are located on the same vertical side wall of the case (12), the water collecting tank (3) is provided with one, and the number of the cleaning components (4) is two corresponding to the number of the wiping components (2).

5. The energy-saving heating and ventilating system using the fan coil as claimed in claim 4, wherein: the novel water pump is characterized in that a sealing cover (5) is hinged to the case (12), the sealing cover (5) and the water collecting tank (3) are located on the same side of the case (12), the water collecting tank (3), a pressing plate (21) located outside the case (12) and the water pressing device (41) are located in a space formed by the sealing cover (5) and the outer wall of the case (12) when the sealing cover (5) is in a closed state, and a lock catch (51) for fixing the sealing cover (5) is arranged between the sealing cover (5) and the case (12).

6. The energy-saving heating and ventilating system using the fan coil as claimed in claim 5, wherein: the sealing cover (5) is fixedly provided with a sealing strip (52), the sealing strip (52) is located at the position where the sealing cover (5) is abutted to the outer wall of the case (12), and the sealing strip (52) is made of a soft material.

7. The energy-saving heating and ventilating system using the fan coil as claimed in claim 4, wherein: and a connecting rod (6) is arranged between the adjacent pressing plates (21), and the end part of the connecting rod (6) is fixedly connected with the pressing plate (21) which is correspondingly close to the connecting rod.

8. The energy-saving heating and ventilating system using the fan coil as claimed in claim 4, wherein: all be provided with deep bead (7) on clamp plate (21), deep bead (7) vertical setting, deep bead (7) top and clamp plate (21) fixed connection, deep bead (7) and quick-witted case (12) outer wall butt, deep bead (7) will be located the regional cover of rectangular hole (121) of clamp plate (21) below all the time.

9. The energy-saving heating and ventilating system using the fan coil as claimed in claim 1, wherein: case (12) have been seted up logical groove (8) with header tank (3) butt department, closing plate (31) are located logical groove (8), closing plate (31) top is articulated with logical groove (8), closing plate (31) circumference lateral wall and logical groove (8) cell wall butt, closing plate (31) vertical setting, closing plate (31) bottom surface slope sets up, the incline direction sets up downwards along being close to header tank (3) inside direction slope, logical groove (8) cell wall and closing plate (31) molding adaptation.

10. The energy-saving heating and ventilating system using the fan coil as claimed in claim 1, wherein: the inner wall of the bottom of the case (12) is obliquely arranged, and the oblique direction is obliquely and downwards arranged along one side close to the water collecting tank (3).