CN212538027U - Integrated heat exchange fan coil unit - Google Patents
Integrated heat exchange fan coil unit Download PDFInfo
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- CN212538027U CN212538027U CN202021382698.5U CN202021382698U CN212538027U CN 212538027 U CN212538027 U CN 212538027U CN 202021382698 U CN202021382698 U CN 202021382698U CN 212538027 U CN212538027 U CN 212538027U
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Abstract
An integrated heat exchange fan-coil unit comprises an air outlet box, a heat exchanger arranged in the air outlet box, an air return box, a fan arranged in the air return box, a water receiving tray arranged below the air outlet box, an electric valve and a one-way valve, wherein the electric valve comprises a valve body, a valve core and a micro motor, the valve body comprises a valve core cavity, a liquid inlet interface pipe, a liquid return interface pipe, a liquid outlet interface and a liquid return interface, and the valve core comprises a cylinder body, a liquid inlet core cavity and a liquid outlet core cavity, wherein two ends of the cylinder body are closed; the valve core is arranged in the valve core cavity, the liquid inlet core cavity is matched with the liquid return interface, the liquid outlet core cavity is matched with the liquid return interface pipe, a liquid inlet cavity communicated with the liquid inlet interface pipe is formed in a space between the lower end of the valve core and the valve core cavity, and the liquid inlet cavity is communicated with the liquid outlet interface; the one-way valve is arranged between the liquid inlet joint pipe and the liquid return joint pipe; the electric valve and the one-way valve work alternately. The electric valve and the heat exchanger are integrally connected together to form a whole, so that the number of joints for pipeline connection is reduced, and the maintenance and the disassembly are convenient.
Description
Technical Field
The utility model relates to an integrated room field of assembled, in particular to assembly is at integrated room of assembled and all integrated form fan-coil unit in cold/hot water and air heat transfer room.
Background
It is known that the prefabricated integrated houses on the market at present usually adopt a split wall-mounted air conditioner or a centralized central air conditioner. The split wall-mounted air conditioner pipelines are arranged on the outer wall of the building in a scattered manner, and condensate water is discharged out of order; when the fan coil unit of the centralized central air-conditioning system is installed, a connecting pipe of a water inlet and a water outlet needs to be provided with a stop valve, a three-way valve and a corresponding adapter, so that the number of joints is large, the installation cost is high, the number of water leakage points is large, condensed water drops are easily generated due to poor heat preservation of site construction of special-shaped pipe fittings, and the fan coil unit is a big pain point in industrial construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the integrated heat exchange fan coil unit has the advantages of convenience in installation, few joints, no heat preservation on site, convenience in maintenance and the like.
The utility model discloses a realize like this: an integrated heat exchange fan-coil unit comprises an air outlet box, a heat exchanger arranged in the air outlet box, an air return box, a fan arranged in the air return box and a water receiving tray arranged below the air outlet box, wherein a water drainage hole is formed in a bottom plate of the air outlet box; the heat exchanger comprises an energy guide sheet and a coil pipe, the air outlet box and the air return box are fixed together, and an air outlet of the fan is communicated with the air outlet box; it is characterized in that: also comprises an electric valve and a one-way valve,
the electric valve comprises a valve body, a valve core and a micro motor,
the valve body comprises a valve core cavity, a liquid inlet interface pipe communicated with the lower part of the valve core cavity, a liquid return interface pipe communicated with the upper part of the valve core cavity, a liquid outlet interface and a liquid return interface,
the valve core comprises a cylinder body with two closed ends, a liquid inlet core cavity and a liquid outlet core cavity, and a partition plate between the liquid inlet core cavity and the liquid outlet core cavity is provided with a liquid guide hole; the liquid inlet core cavity is provided with a liquid inlet hole, and the liquid outlet core cavity is provided with a liquid outlet hole;
the valve core is arranged in the valve core cavity, the liquid inlet core cavity is matched with the liquid return interface, the liquid outlet core cavity is matched with the liquid return interface pipe, a space between the lower end of the valve core and the valve core cavity forms a liquid inlet cavity communicated with the liquid inlet interface pipe, and the liquid inlet cavity is communicated with the liquid inlet interface; the one-way valve is arranged between the liquid inlet joint pipe and the liquid return joint pipe; the electric valve and the one-way valve work alternately.
The integrated heat exchange fan coil unit is characterized in that: the one-way valve comprises a valve casing, a valve cover, a valve rod, a one-way valve core, a spring and a bypass pipe arranged between the liquid inlet joint pipe and the liquid return joint pipe,
the end plate at the closed end of the valve shell is provided with a valve rod passage and a liquid guide hole arranged around the valve rod passage;
a spring seat and a liquid outlet and guide hole arranged around the guide hole are arranged on the top plate of the valve cover, and the spring seat is provided with the guide hole;
the valve rod is in sliding fit with the valve rod channel, the valve core is attached to the end plate, the valve cover is buckled with the upper opening of the valve shell, the lower end of the spring is embedded into the annular groove on the valve core, and the spring seat of the valve cover is inserted into the upper end of the spring; the valve casing is fixed in the bypass pipe.
The integrated heat exchange fan coil unit is characterized in that: the liquid return interface tube is arranged on the liquid return interface tube.
The utility model relates to an integrated form heat transfer fan coil unit links motorised valve and heat exchanger are integrated to be in the same place as a whole, has reduced the joint of tube coupling, and maintenance and dismantlement are convenient.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a partially enlarged view of fig. 2.
Fig. 4 is a cross-sectional view of the check valve of the present invention.
Fig. 5 is one of perspective views of the present invention.
Fig. 6 is a second perspective view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, an integrated heat exchange fan-coil unit includes an air outlet box 1, a heat exchanger 2 arranged in the air outlet box, an air return box 3, a fan 4 arranged in the air return box, and a water pan 5 arranged below the air outlet box, wherein a bottom plate of the air outlet box 1 is provided with a water drain hole; the heat exchanger 2 comprises an energy guide sheet and a coil, the air outlet box 1 and the air return box 3 are fixed together, and an air outlet of the fan 4 is communicated with the air outlet box 1;
also comprises an electric valve 6 and a one-way valve 7,
as shown in fig. 3, the electric valve 6 includes a valve body 61, a valve core 62 and a micro motor 63,
the valve body 61 comprises a valve core cavity 611, a liquid inlet joint pipe 612 communicated with the lower part of the valve core cavity, a liquid return joint pipe 613 communicated with the upper part of the valve core cavity, a liquid outlet joint 614 and a liquid return joint 615,
the valve core 62 comprises a cylinder 621 with two closed ends, a liquid inlet core cavity 622 and a liquid outlet core cavity 623, and a partition plate between the liquid inlet core cavity 622 and the liquid outlet core cavity 623 is provided with a liquid guide hole; a liquid inlet hole is formed in the liquid inlet core cavity 622, and a liquid outlet hole is formed in the liquid outlet core cavity 623;
the valve core 62 is arranged in the valve core cavity 611, the liquid inlet cavity 622 is matched with the liquid return interface 615, the liquid outlet cavity 623 is matched with the liquid return interface tube 613, a liquid inlet cavity communicated with the liquid inlet interface tube 612 is formed by the space between the lower end of the valve core 62 and the valve core cavity 611, and the liquid inlet cavity is communicated with the liquid outlet interface 614; the one-way valve 7 is arranged between the liquid inlet joint pipe 612 and the liquid return joint pipe 613; the electric valve 6 and the check valve 7 work alternately.
When the utility model works, as shown in fig. 2 and fig. 3, liquid enters one end of the coil pipe of the heat exchanger 2 through the liquid inlet joint pipe 612, the liquid inlet cavity and the liquid outlet joint 614, and the liquid returns to the host from the other end of the coil pipe, the liquid inlet joint 615, the liquid inlet core cavity 622, the liquid outlet core cavity 623 and the liquid return joint pipe 613; in the working state, as indicated by the solid arrows in fig. 3;
when refrigeration or heating is not needed, the micro motor 63 drives the valve core 62 of the electric valve 6 to move downwards through a screw, the lower end of the valve core 62 seals the liquid outlet end of the liquid inlet interface tube 612, and the liquid outlet core cavity 623 of the valve core 62 is opposite to the liquid return interface 615; at this time, under the action of the pressure of the pipeline liquid, the check valve 7 is turned on, and the liquid returns to the main machine through the liquid inlet joint pipe 612, the check valve 7 and the liquid return joint pipe 613, as shown by the hollow arrow in fig. 3, the liquid does not enter the heat exchanger 4, so that the heat loss of the heat exchanger 2 is reduced, and the generation of condensed water is reduced.
As shown in fig. 3 and 4, the check valve 7 includes a valve housing 71, a valve cap 72, a valve rod 73, a check valve core 74, a spring 75, and a bypass pipe 76 provided between the inlet joint pipe 612 and the return joint pipe 613,
a valve rod channel 711 and a liquid guide hole 712 arranged around the valve rod channel are arranged on the end plate at the closed end of the valve shell 71;
a spring seat 721 and a liquid outlet and guide hole 722 arranged around the guide hole are arranged on the top plate of the valve cover 72, and the spring seat 721 is provided with the guide hole;
the valve rod 73 is in sliding fit with the valve rod channel 711, the valve core 74 is attached to the end plate, the valve cover 72 is buckled with the upper opening of the valve shell 71, the lower end of the spring 75 is embedded into the annular groove on the valve core 74, and the spring seat 721 of the valve cover 72 is inserted into the upper end of the spring 75; valve housing 71 is secured within bypass tube 76.
The liquid-return joint pipe is characterized by further comprising an exhaust valve 8, wherein the exhaust valve 8 is arranged on the liquid-return joint pipe 613.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (3)
1. An integrated heat exchange fan-coil unit comprises an air outlet box, a heat exchanger arranged in the air outlet box, an air return box, a fan arranged in the air return box and a water receiving tray arranged below the air outlet box, wherein a water drainage hole is formed in a bottom plate of the air outlet box; the heat exchanger comprises an energy guide sheet and a coil pipe, the air outlet box and the air return box are fixed together, and an air outlet of the fan is communicated with the air outlet box; the method is characterized in that: also comprises an electric valve and a one-way valve,
the electric valve comprises a valve body, a valve core and a micro motor,
the valve body comprises a valve core cavity, a liquid inlet interface pipe communicated with the lower part of the valve core cavity, a liquid return interface pipe communicated with the upper part of the valve core cavity, a liquid outlet interface and a liquid return interface,
the valve core comprises a cylinder body with two closed ends, a liquid inlet core cavity and a liquid outlet core cavity, and a partition plate between the liquid inlet core cavity and the liquid outlet core cavity is provided with a liquid guide hole; the liquid inlet core cavity is provided with a liquid inlet hole, and the liquid outlet core cavity is provided with a liquid outlet hole;
the valve core is arranged in the valve core cavity, the liquid inlet core cavity is matched with the liquid return interface, the liquid outlet core cavity is matched with the liquid return interface pipe, a liquid inlet cavity communicated with the liquid inlet interface pipe is formed in a space between the lower end of the valve core and the valve core cavity, and the liquid inlet cavity is communicated with the liquid outlet interface; the one-way valve is arranged between the liquid inlet joint pipe and the liquid return joint pipe; the electric valve and the one-way valve work alternately.
2. The integrated heat exchange fan coil unit of claim 1, wherein: the one-way valve comprises a valve casing, a valve cover, a valve rod, a one-way valve core, a spring and a bypass pipe arranged between the liquid inlet joint pipe and the liquid return joint pipe,
the end plate at the closed end of the valve shell is provided with a valve rod passage and a liquid guide hole arranged around the valve rod passage;
a spring seat and a liquid outlet and guide hole arranged around the guide hole are arranged on the top plate of the valve cover, and the spring seat is provided with the guide hole;
the valve rod is in sliding fit with the valve rod channel, the valve core is attached to the end plate, the valve cover is buckled with the upper opening of the valve shell, the lower end of the spring is embedded into the annular groove on the valve core, and the spring seat of the valve cover is inserted into the upper end of the spring; the valve casing is fixed in the bypass pipe.
3. The integrated heat exchange fan coil unit of claim 1, wherein: the liquid return interface tube is arranged on the liquid return interface tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021382698.5U CN212538027U (en) | 2020-07-14 | 2020-07-14 | Integrated heat exchange fan coil unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021382698.5U CN212538027U (en) | 2020-07-14 | 2020-07-14 | Integrated heat exchange fan coil unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212538027U true CN212538027U (en) | 2021-02-12 |
Family
ID=74517854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021382698.5U Active CN212538027U (en) | 2020-07-14 | 2020-07-14 | Integrated heat exchange fan coil unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212538027U (en) |
-
2020
- 2020-07-14 CN CN202021382698.5U patent/CN212538027U/en active Active
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