CN219414975U - Cold and hot water coil assembly and fresh air conditioning unit - Google Patents
Cold and hot water coil assembly and fresh air conditioning unit Download PDFInfo
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- CN219414975U CN219414975U CN202320493759.2U CN202320493759U CN219414975U CN 219414975 U CN219414975 U CN 219414975U CN 202320493759 U CN202320493759 U CN 202320493759U CN 219414975 U CN219414975 U CN 219414975U
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Abstract
The application provides a cold and hot water coil assembly and fresh air conditioning unit, cold and hot water coil assembly includes: the first cold and hot water coil pipe and the second cold and hot water coil pipe are arranged at intervals; the water inlet end and the water outlet end of the first cold and hot water coil pipe are respectively connected with a first water inlet pipe and a first water outlet pipe, the water inlet end and the water outlet end of the second cold and hot water coil pipe are respectively connected with a second water inlet pipe and a second water outlet pipe, the first water inlet pipe and the second water inlet pipe are communicated through a first communicating pipe, the first water outlet pipe and the second water outlet pipe are communicated through a second communicating pipe, a first valve is arranged on the second water inlet pipe at the portion between the water inlet end of the second cold and hot water coil pipe and the first communicating pipe, and a second valve is arranged on the second water outlet pipe at the portion between the water outlet end of the second cold and hot water coil pipe and the second communicating pipe. The cold and hot water coil pipe assembly can effectively adjust refrigerating capacity and heating capacity, is favorable for reducing energy consumption waste and saves use cost.
Description
Technical Field
The application relates to the technical field of fresh air conditioning units, in particular to a cold and hot water coil assembly and a fresh air conditioning unit.
Background
The fresh air handling unit is an air handling device, and can send fresh air extracted outdoors into a room through a fan after dust removal, dehumidification (or humidification), cooling (or heating) and other treatments.
The existing fresh air conditioning unit generally adopts a hot and cold water coil pipe to cool or heat air, however, the existing hot and cold water coil pipe is unreasonable in design, and heating and refrigerating are realized by adopting a group of hot water coil pipes and a group of cold water coil pipes, and the two groups of coil pipes respectively bear respective heating load and refrigerating load. In some areas, outdoor temperature varies greatly throughout the year, sometimes without needing a large heating capacity (or refrigerating capacity), and if the existing cold-hot water coil design is adopted, part of energy consumption is wasted, which is not beneficial to saving cost.
Therefore, a cold and hot water coil pipe capable of adjusting the refrigerating capacity and the heating capacity needs to be designed.
Disclosure of Invention
The utility model provides a cold and hot water coil pipe subassembly and new trend air conditioning unit to solve shortcoming and the not enough among the prior art.
A cold-hot water coil assembly of the present application, comprising: the first cold and hot water coil pipe and the second cold and hot water coil pipe are arranged at intervals;
the water inlet end and the water outlet end of the first cold and hot water coil pipe are respectively connected with a first water inlet pipe and a first water outlet pipe, the water inlet end and the water outlet end of the second cold and hot water coil pipe are respectively connected with a second water inlet pipe and a second water outlet pipe, the first water inlet pipe and the second water inlet pipe are communicated through a first communicating pipe, the first water outlet pipe and the second water outlet pipe are communicated through a second communicating pipe, a first valve is arranged on the second water inlet pipe at the portion between the water inlet end of the second cold and hot water coil pipe and the first communicating pipe, and a second valve is arranged on the second water outlet pipe at the portion between the water outlet end of the second cold and hot water coil pipe and the second communicating pipe.
Compared with the prior art, the cold and hot water coil pipe assembly can effectively adjust refrigerating capacity and heating capacity, is favorable for reducing energy consumption waste and saves use cost.
In a preferred or alternative embodiment, the first cold and hot water coil pipe and the second cold and hot water coil pipe each include a plurality of heat exchange tubes, a plurality of elbows, a water inlet shunt tube and a water outlet manifold, a plurality of heat exchange tubes are sequentially arranged at intervals, each of the two ends of the elbows is connected with one heat exchange tube, one part of the heat exchange tubes is far away from one end of the elbows and is connected with the water inlet shunt tube, the other part of the heat exchange tubes is far away from one end of the elbows and is connected with the water outlet manifold, the first end of the water inlet shunt tube is in an opening arrangement, the second end of the water inlet shunt tube is in a closed arrangement, the first end of the water outlet manifold is in an opening arrangement, and the second end of the water outlet manifold is in a closed arrangement.
In a preferred or alternative embodiment, the heat exchange device further comprises a frame, wherein the plurality of heat exchange tubes of the first cold and hot water coil and the plurality of heat exchange tubes of the second cold and hot water coil are sequentially arranged in the frame at intervals, a water collecting tank is arranged at the bottom of the frame, and a plurality of drain holes are formed in the water collecting tank.
In a preferred or alternative embodiment, the first and second coils further comprise a plurality of fins, and the plurality of fins are sleeved outside the heat exchange tube.
The utility model provides a fresh air conditioning unit, it includes: a housing, a first filter, a heater, a fan, and a cold and hot water coil assembly as described above;
the shell is provided with a ventilation cavity, two opposite side walls of the shell are respectively provided with an air inlet and an air outlet, and the air inlet and the air outlet are communicated through the ventilation cavity; the first filter, the cold and hot water coil pipe assembly, the heater and the fan are sequentially arranged in the ventilation cavity along the direction from the air inlet to the air outlet, wherein the first cold and hot water coil pipe is adjacent to the first filter, and the second cold and hot water coil pipe is adjacent to the heater. The fresh air conditioning unit adopting the cold and hot water coil assembly can effectively adjust the refrigerating capacity and the heating capacity, is beneficial to reducing energy consumption waste and saves use cost.
The fresh air conditioning unit further comprises a flow equalizing plate, the fan is provided with an air suction port and an air outlet, the air outlet of the fan faces the air outlet of the shell, a plurality of flow equalizing holes are formed in the flow equalizing plate, and the flow equalizing plate covers the air outlet of the fan.
The fresh air conditioning unit further comprises a second filter, wherein the second filter is arranged in the ventilation cavity and is positioned between the air outlet of the shell and the air outlet of the fan.
The fresh air conditioning unit further comprises a humidifier, and the humidifier is arranged at an air outlet of the shell.
The fresh air conditioning unit further comprises an air valve, and the air valve is arranged at the air inlet of the shell.
For a better understanding and implementation, the present application is described in detail below with reference to the drawings.
Drawings
FIG. 1 is an exploded view of a cold hot water coil assembly according to an embodiment of the present application;
FIG. 2 is a schematic view of an alternate view of a cold and hot water coil assembly according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a first coil of hot and cold water according to an embodiment of the present application;
fig. 4 is a schematic diagram of an internal structure of a fresh air conditioning unit according to an embodiment of the present application;
reference numerals:
21. a first coil of hot and cold water; 211. a first water inlet pipe; 212. a first water outlet pipe; 21A, a water inlet end; 21B, a water outlet end; 22. a second coil of hot and cold water; 221. a second water inlet pipe; 222. a second water outlet pipe; 22A, a water inlet end; 22B, a water outlet end; 23. a frame; 31. a first communication pipe; 32. a second communicating pipe; 41. a first valve; 42. a second valve; 201. a heat exchange tube; 202. an elbow; 203. a water inlet shunt pipe; 204. a water outlet manifold; 5. a housing; 51. a ventilation chamber; 52. an air inlet; 53. an air outlet; 61. a first filter; 62. a second filter; 7. a heater; 8. a blower; 9. a flow equalizing plate; 101. a humidifier; 102. and an air valve.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It should be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e., features defining "first," "second," may explicitly or implicitly include one or more such features. Furthermore, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "hollow" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1 to 3, an embodiment of the present application provides a cold and hot water coil assembly, which can be applied to a fresh air conditioning unit, and includes: a first cold and hot water coil 21 and a second cold and hot water coil 22 are arranged at intervals.
The water inlet end 21A and the water outlet end 21B of the first cold and hot water coil 21 are respectively connected with a first water inlet pipe 211 and a first water outlet pipe 212, the water inlet end 22A and the water outlet end 22B of the second cold and hot water coil 22 are respectively connected with a second water inlet pipe 221 and a second water outlet pipe 222, the first water inlet pipe 211 and the second water inlet pipe 221 are communicated through a first communicating pipe 31, the first water outlet pipe 212 and the second water outlet pipe 222 are communicated through a second communicating pipe 32, a first valve 41 is arranged on a part, located between the water inlet end 22A of the second cold and hot water coil 22 and the first communicating pipe 31, of the second water outlet pipe 222, and a second valve 42 is arranged on a part, located between the water outlet end 22B of the second cold and hot water coil 22 and the second communicating pipe 32.
As can be seen from the above, the water inlet and outlet of the second coil 22 can be controlled by operating the first and second valves 41 and 42.
In use, the first inlet pipe 211 may be connected to a hot water supply, the second inlet pipe 221 to a cold water supply, the first outlet pipe 212 to a hot water recovery, and the second outlet pipe 222 to a cold water recovery. The user can select whether to open the first valve 41 and the second valve 42 according to the ambient temperature, for example, when in the heating mode, if the heating amount is smaller, the first valve 41 and the second valve 42 are closed, at this time, only the first cold and hot water coil 21 is used as a hot water coil, and the hot water of the hot water supply device flows through the first water inlet pipe 211, the first cold and hot water coil 21 and the first water outlet pipe 212 in sequence and then flows back to the hot water recovery device; if the heating capacity is required to be large, the first valve 41 and the second valve 42 are opened, and at this time, the first cold and hot water coil 21 and the second cold and hot water coil 22 are used as hot water coils, and a part of hot water of the hot water supply device flows through the first water inlet pipe 211, the first cold and hot water coil 21 and the first water outlet pipe 212 in sequence and then flows back to the hot water recovery device, and another part flows through the first water inlet pipe 211, the first communication pipe 31, the second water inlet pipe 221, the second cold and hot water coil 22, the second water outlet pipe 222, the second communication pipe 32 and the first water outlet pipe 212 in sequence and then flows back to the hot water recovery device.
In the cooling mode, if the cooling capacity demand is smaller, the first valve 41 and the second valve 42 are closed, and only the first cold and hot water coil 21 is used as a cold water coil, and cold water of the cold water supply device flows through the second water inlet pipe 221, the first communication pipe 31, the first water inlet pipe 211, the first cold and hot water coil 21, the first water outlet pipe 212, the second communication pipe 32 and the second water outlet pipe 222 in sequence and then flows back to the cold water recovery device; if the refrigerating capacity demand is larger, the first valve 41 and the second valve 42 are opened, at this time, the first cold and hot water coil 21 and the second cold and hot water coil 22 are used as cold water coils, and part of cold water of the cold water supply device flows through the second water inlet pipe 221, the first communication pipe 31, the first water inlet pipe 211, the first cold and hot water coil 21, the first water outlet pipe 212, the second communication pipe 32 and the second water outlet pipe 222 in sequence and then flows back to the cold water recovery device, and the other part flows through the second water inlet pipe 221, the second cold and hot water coil 22 and the second water outlet pipe 222 in sequence and then flows back to the cold water recovery device.
Through adopting above-mentioned technical scheme, the cold and hot water coil pipe subassembly of this application embodiment can adjust refrigerating capacity and heating capacity effectively, is favorable to reducing the energy consumption extravagant, practices thrift use cost.
Specifically, in this embodiment, the first cold and hot water coil 21 and the second cold and hot water coil 22 have the same structural composition, and each of them includes a plurality of heat exchange tubes 201, a plurality of elbows 202, a water inlet shunt tube 203 and a water outlet manifold 204 (see fig. 1-3), the plurality of heat exchange tubes 201 are sequentially arranged at intervals, two ends of each of the elbows 202 are connected to one heat exchange tube 201, one end of the heat exchange tube 201, which is far away from the elbow 202, is connected to the water inlet shunt tube 203, one end of the other heat exchange tube 201, which is far away from the elbow 202, is connected to the water outlet manifold 204, a first end of the water inlet shunt tube 203 is arranged in an opening, a second end of the heat exchange tube is arranged in a closed manner, a first end of the water outlet manifold 204 is arranged in an opening manner, and a second end of the heat exchange tube is arranged in a closed manner.
The water inlet end 21A of the first cold and hot water coil 21 is the first end of the water inlet shunt tube 203 of the first cold and hot water coil 21, and the water outlet end 21B of the first cold and hot water coil 21 is the first end of the water outlet manifold tube 204 of the first cold and hot water coil 21. The water inlet end 22A of the second cold and hot water coil 22 is the first end of the water inlet shunt tube 203 of the second cold and hot water coil 22, and the water outlet end 22B of the second cold and hot water coil 22 is the first end of the water outlet manifold tube 204 of the second cold and hot water coil 22.
Thus, the water flow can enter from the first end of the water inlet shunt pipe 203 and be shunted to the plurality of heat exchange pipes 201, and after heat exchange with the air in the plurality of heat exchange pipes 201, the water flow is collected to the water outlet collecting pipe 204 and is discharged from the first end of the water outlet collecting pipe 204.
Preferably, the cold-hot water coil assembly according to the present embodiment further includes a frame 23, the plurality of heat exchange tubes 201 of the first cold-hot water coil 21 and the plurality of heat exchange tubes 201 of the second cold-hot water coil 22 are sequentially arranged in the frame 23 at intervals, and the air exchanges heat with the heat exchange tubes 201 in the frame 23 through the inside of the frame 23. The bottom of the frame 23 is provided with a water collecting tank, and a plurality of drain holes are arranged on the water collecting tank. The frame 23 serves to mount and fix the water collecting tank at the bottom thereof to catch the condensed water dropped from the outer wall of the heat exchange tube 201, prevent the condensed water from being scattered at will, and the drain holes drain the water received by the water collecting tank to a predetermined position.
In order to improve the heat exchange efficiency of the hot and cold water coils, it is preferable that, in some embodiments, the first hot and cold water coil 21 and the second hot and cold water coil 22 each further include a plurality of fins (not shown), and a plurality of the fins are sleeved on the outer side of the heat exchange tube 201. The heat of the heat exchange tube 201 is conducted to the fins, and the heat exchange area is greatly increased by the heat exchange between the fins and the air.
As shown in fig. 4, the embodiment of the present application further provides a fresh air conditioning unit, which includes a housing 5, a first filter 61, a heater 7, a fan 8, and the hot and cold water coil assembly of the embodiment of the present application.
The shell 5 is provided with a ventilation cavity 51, two opposite side walls of the shell 5 are respectively provided with an air inlet 52 and an air outlet 53, and the air inlet 52 and the air outlet 53 are communicated through the ventilation cavity 51; the first filter 61, the hot and cold water coil assembly, the heater 7 and the fan 8 are sequentially arranged in the ventilation cavity 51 along the direction from the air inlet 52 to the air outlet 53, wherein the first hot and cold water coil 21 is arranged adjacent to the first filter 61, and the second hot and cold water coil 22 is arranged adjacent to the heater 7.
When the blower 8 is started, air can be sucked in from the air inlet 52 of the housing 5 and blown out from the air outlet 53 of the housing 5 after passing through the ventilation cavity 51. The first filter 61 may be effective in filtering air, and the first filter 61 is specifically a primary-medium-efficiency filter.
When the cold and hot water coil assembly is in the cooling mode, the cold and hot water coil assembly can be matched with the heater 7 to dehumidify air flowing through, in particular, when the air passes through the cold and hot water coil assembly, moisture in the air can be condensed on the heat exchange tube 201 to achieve the purpose of dehumidification, and then the air passes through the heater 7, and the heater 7 heats the air so that the air rises to a temperature comfortable for a human body. The cold and hot coil assembly may cooperate with the heater 7 to heat the air flowing therethrough when in the heating mode.
Preferably, in this embodiment, the fresh air conditioning unit further includes a flow equalizing plate 9, the fan 8 has an air suction port and an air exhaust port, the air exhaust port of the fan 8 faces the air outlet 53 of the housing 5, a plurality of flow equalizing holes are disposed on the flow equalizing plate 9, and the flow equalizing plate 9 covers the air exhaust port of the fan 8. The flow equalizing plate 9 can disperse wind with higher wind speed blown out by the fan 8, and can equalize the wind so as to reduce the wind speed and avoid damage caused by impact to the following parts.
Preferably, the fresh air conditioning unit of the present embodiment further includes a second filter 62, where the second filter 62 is disposed in the ventilation cavity 51 and is located between the air outlet 53 of the housing 5 and the air outlet of the fan 8. The second filter 62 may further filter air, the second filter 62 being in particular a high efficiency filter.
Preferably, the fresh air conditioning unit of the present embodiment further includes a humidifier 101, where the humidifier 101 is disposed at the air outlet 53 of the housing 5. The humidifier 101 is used to humidify the air when the air humidity is low.
Preferably, the fresh air conditioning unit of the present embodiment further includes an air valve 102, and the air valve 102 is installed at the air inlet 52 of the housing 5. The air valve 102 is mainly used for closing the air inlet 52 during the shutdown period in winter low temperature, so as to prevent outdoor low temperature air from entering the unit and causing the coil to be frozen.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application.
Claims (9)
1. A cold and hot water coil assembly, comprising:
the first cold and hot water coil pipe and the second cold and hot water coil pipe are arranged at intervals;
the water inlet end and the water outlet end of the first cold and hot water coil pipe are respectively connected with a first water inlet pipe and a first water outlet pipe, the water inlet end and the water outlet end of the second cold and hot water coil pipe are respectively connected with a second water inlet pipe and a second water outlet pipe, the first water inlet pipe and the second water inlet pipe are communicated through a first communicating pipe, the first water outlet pipe and the second water outlet pipe are communicated through a second communicating pipe, a first valve is arranged on the second water inlet pipe at the portion between the water inlet end of the second cold and hot water coil pipe and the first communicating pipe, and a second valve is arranged on the second water outlet pipe at the portion between the water outlet end of the second cold and hot water coil pipe and the second communicating pipe.
2. The hot and cold water coil assembly of claim 1, wherein:
the first cold and hot water coil pipe and the second cold and hot water coil pipe all include a plurality of heat exchange tubes, a plurality of elbow, water inlet shunt tubes and play water collecting pipe, and is a plurality of the heat exchange tubes is arranged at intervals in proper order, every the both ends of elbow are all connected one the heat exchange tube, a part the heat exchange tube keep away from the one end of elbow connect in water inlet shunt tubes, another part the heat exchange tube keep away from the one end of elbow connect in play water collecting pipe, the first end of water inlet shunt tubes is the opening setting, and the second end is the closed setting, the first end of play water collecting pipe is the opening setting, and the second end is the closed setting.
3. The hot and cold water coil assembly of claim 2, wherein:
the heat exchange device comprises a frame, wherein the plurality of heat exchange tubes of a first cold and hot water coil and the plurality of heat exchange tubes of a second cold and hot water coil are sequentially arranged in the frame at intervals, a water collecting tank is arranged at the bottom of the frame, and a plurality of drain holes are formed in the water collecting tank.
4. A hot and cold water coil assembly as set forth in claim 3 wherein:
the first cold and hot water coil pipe and the second cold and hot water coil pipe also comprise a plurality of fins, and the fins are sleeved on the outer sides of the heat exchange tubes.
5. A fresh air conditioning unit, comprising:
a housing, a first filter, a heater, a fan, and a hot and cold water coil assembly as set forth in any one of claims 1-4;
the shell is provided with a ventilation cavity, two opposite side walls of the shell are respectively provided with an air inlet and an air outlet, and the air inlet and the air outlet are communicated through the ventilation cavity; the first filter, the cold and hot water coil pipe assembly, the heater and the fan are sequentially arranged in the ventilation cavity along the direction from the air inlet to the air outlet, wherein the first cold and hot water coil pipe is adjacent to the first filter, and the second cold and hot water coil pipe is adjacent to the heater.
6. The fresh air conditioning unit according to claim 5, wherein:
the air conditioner further comprises an air equalizing plate, the fan is provided with an air suction opening and an air outlet, the air outlet of the fan faces the air outlet of the shell, a plurality of air equalizing holes are formed in the air equalizing plate, and the air equalizing plate covers the air outlet of the fan.
7. The fresh air conditioning unit according to claim 6, wherein:
the fan also comprises a second filter, wherein the second filter is arranged in the ventilation cavity and is positioned between the air outlet of the shell and the air outlet of the fan.
8. The fresh air conditioning unit according to claim 7, wherein:
the humidifier is arranged at the air outlet of the shell.
9. The fresh air conditioning unit according to claim 8, wherein:
the air valve is arranged at the air inlet of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320493759.2U CN219414975U (en) | 2023-03-14 | 2023-03-14 | Cold and hot water coil assembly and fresh air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320493759.2U CN219414975U (en) | 2023-03-14 | 2023-03-14 | Cold and hot water coil assembly and fresh air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219414975U true CN219414975U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320493759.2U Active CN219414975U (en) | 2023-03-14 | 2023-03-14 | Cold and hot water coil assembly and fresh air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219414975U (en) |
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- 2023-03-14 CN CN202320493759.2U patent/CN219414975U/en active Active
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