CN217928987U - Fan coil pipe with fresh air dehumidifying function - Google Patents
Fan coil pipe with fresh air dehumidifying function Download PDFInfo
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- CN217928987U CN217928987U CN202221489858.5U CN202221489858U CN217928987U CN 217928987 U CN217928987 U CN 217928987U CN 202221489858 U CN202221489858 U CN 202221489858U CN 217928987 U CN217928987 U CN 217928987U
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Abstract
The utility model belongs to the field of heating and ventilation equipment, and particularly discloses a fan coil with fresh air dehumidification function, which comprises a coil shell, and an air return section, a dehumidification section, a temperature regulation section and a control system which are integrated on the coil shell; the air return section comprises a fresh air inlet, an air return inlet, a filter screen and a fan; the dehumidification section comprises an evaporation dehumidification coil, a condensation reheating coil and a dehumidification compressor; the temperature adjusting section comprises a heat exchange coil and a chilled water bypass electromagnetic valve; the control system comprises a temperature and humidity detector and a controller. The utility model makes full use of the self dehumidification capacity of the fan coil, fills the mode that the original fan coil is only regulated and controlled according to the temperature, realizes the purposes of energy saving and comfort, couples the compressor to dehumidify and reheat, and has better processing capacity for the extreme environment with larger dehumidification demand; the indoor temperature and humidity can be well controlled, the energy-saving effect is good, and the popularization effect on the energy-saving application of the fan coil is good.
Description
Technical Field
The utility model relates to a warm equipment field that leads to specifically is a fan coil who possesses new trend dehumidification function.
Background
The conventional fan coil air conditioner controls air volume cooling by setting temperature, the cooling and dehumidifying mode is fixed, the dehumidifying capacity of the fan coil is difficult to be well utilized, the dehumidifying refrigerating capacity required in a room changes along with time, the fan coil can only meet the temperature requirement through fixed mode air supply, and the relative humidity of air can deviate greatly from the set value. If the machine heat-humidity ratio of the fan coil cannot be adjusted, insufficient dehumidification of air in a room is caused or the comfort of a human body is reduced too much.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan coil who possesses new trend dehumidification function to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a fan coil with fresh air dehumidification function comprises a coil shell, and an air return section, a dehumidification section, a temperature regulation section and a control system which are integrated on the coil shell, wherein the air return section, the dehumidification section and the temperature regulation section are sequentially distributed in the coil shell from left to right;
the air return section comprises a fresh air inlet, an air return inlet, a filter screen and a fan, one end of the coil pipe shell is arranged at the position of the air return section to form an air return box, the fresh air inlet is arranged on the side surface of the air return box, the air return inlet is arranged at the outer end of the air return box, the filter screen is embedded in the air return box and is opposite to the position of the air return inlet, and the fan is arranged in the air return box and is arranged on one side of the filter screen, which is far away from the air return inlet;
the dehumidification section comprises an evaporation dehumidification coil, a condensation reheating coil and a dehumidification compressor, the evaporation dehumidification coil and the condensation reheating coil are arranged in a coil shell at intervals, the evaporation dehumidification coil is arranged on one side close to the air return section, and the dehumidification compressor is arranged outside the coil shell and is respectively connected with the evaporation dehumidification coil and the condensation reheating coil to provide heat exchange power for the evaporation dehumidification coil and the condensation reheating coil;
the temperature adjusting section comprises a heat exchange coil and a chilled water bypass electromagnetic valve, an air supply outlet is formed in one end, far away from the air return inlet, of the coil shell, the heat exchange coil is embedded in the position, opposite to the air supply outlet, of the coil shell, two ends of the heat exchange coil are respectively connected with a chilled water inlet pipe and a chilled water outlet pipe which extend out of the coil shell, a transition guide pipe is connected between the chilled water inlet pipe and the chilled water outlet pipe, and the chilled water bypass electromagnetic valve is respectively installed on the chilled water inlet pipe and the transition guide pipe;
the control system comprises a temperature and humidity detector and a controller.
Furthermore, the temperature and humidity detector is arranged on the side wall of the coil casing, the detection end of the temperature and humidity detector is arranged inside the coil casing, the data output end of the temperature and humidity detector is connected to the controller, and the controller is respectively connected with the control ends of the fan, the dehumidification compressor and the chilled water bypass electromagnetic valve.
Furthermore, the evaporation dehumidification coil and the condensation reheating coil are copper tube fins, refrigerants are filled in the evaporation dehumidification coil and the condensation reheating coil, water storage plates are arranged below the evaporation dehumidification coil and the condensation reheating coil, the water storage plates are discharged along with condensed water, when the evaporation dehumidification coil is frosted, the control system can monitor heat exchange efficiency and pressure abnormity, and a reverse circulation mode is started for defrosting.
The working mode of the fan coil is divided into a conventional mode and a dehumidification mode, a dehumidification compressor is not started in the conventional mode, the heat exchange coil of the fan coil is used for cooling and dehumidifying, the required heat-humidity ratio is calculated through a controller and a temperature and humidity detector, the corresponding flow and air quantity in the conventional mode are matched, and the heat-humidity ratio in different flow and different air quantity is prestored in the system.
When the controller calculates that the dehumidification ability is not enough under the conventional mode, the dehumidification compressor starts, utilizes evaporation dehumidification coil to cool down the dehumidification of air, and low temperature air improves to the higher air of temperature through condensation reheating coil, then cools down through heat exchange coil, and the air monitors through temperature and humidity detector before getting into heat exchange coil simultaneously, calculates heat and humidity ratio and continuous temperature curve and confirms the cooling mode.
The controller can continuously receive and record the data of the two temperature and humidity detectors, can calculate the cold quantity and the heat-humidity ratio required by a room by utilizing the relevant data prestored in the module, and sends an execution command to the fan, the dehumidification compressor and the chilled water bypass electromagnetic valve.
The optimal variation range of the flow and the air volume in the conventional mode is obtained through experiments, parameters such as the refrigerating capacity, the heat-humidity ratio of the machine and the like in different modes are recorded and calculated, and the parameters are recorded into a control system.
The optimal proportion of the evaporation dehumidification coil and the condensation reheating coil is determined through experiments according to the information such as the size and the air quantity of the fan coil, so that the evaporation heat is matched with the condensation heat, and meanwhile, the refrigerating capacity of the fan coil is adjusted according to the heat dissipation capacity increased in the dehumidification process.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model makes full use of the self dehumidification capacity of the fan coil, fills the mode that the original fan coil is only regulated and controlled according to the temperature, realizes the purposes of energy saving and comfort, couples the compressor to dehumidify and reheat, and has better processing capacity for the extreme environment with larger dehumidification demand; the cooling and dehumidifying principle and the function of providing comfortable fresh air and dehumidifying for a room by adjusting the heat exchange state of the heat exchanger of the fan coil are adopted, the environment-friendly and energy-saving effects are achieved, the temperature and the humidity in the room can be well controlled, the good energy-saving effect is achieved, and the good popularization effect is achieved for the energy-saving application of the fan coil.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the dehumidification mode of the present invention;
fig. 3 is a control logic diagram of the control system of the present invention.
In the figure: 1. a coil housing; 2. an air return box; 3. an evaporative dehumidification coil; 4. a condensing reheating coil; 5. a dehumidification compressor; 6. a heat exchange coil; 7. a fresh air port; 8. an air return inlet; 9. an air supply outlet; 10. filtering with a screen; 11. a fan; 12. a chilled water inlet pipe; 13. a chilled water outlet pipe; 14. a transition duct; 15. the chilled water bypasses the electromagnetic valve; 16. a temperature and humidity detector; 17. and a controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: a fan coil with fresh air dehumidification function comprises a coil shell 1, and an air return section, a dehumidification section, a temperature regulation section and a control system which are integrated on the coil shell 1, wherein the air return section, the dehumidification section and the temperature regulation section are sequentially distributed in the coil shell 1 from left to right;
the air return section comprises a fresh air inlet 7, an air return inlet 8, a filter screen 10 and a fan 11, one end of the coil pipe shell 1 is arranged at the position of the air return section to be a return air box 2, the fresh air inlet 7 is arranged on the side surface of the return air box 2, the air return inlet 8 is arranged at the outer end of the return air box 2, the filter screen 10 is embedded in the return air box 2 and is opposite to the position of the return air inlet 8, and the fan 11 is arranged in the return air box 2 and is arranged at one side, far away from the return air inlet 8, of the filter screen 10;
the dehumidification section comprises an evaporation dehumidification coil 3, a condensation reheating coil 4 and a dehumidification compressor 5, the evaporation dehumidification coil 3 and the condensation reheating coil 4 are arranged in a coil shell 1 at intervals, the evaporation dehumidification coil 3 is arranged on one side close to the air return section, and the dehumidification compressor 5 is arranged outside the coil shell 1 and is respectively connected with the evaporation dehumidification coil 3 and the condensation reheating coil 4 to provide heat exchange power for the evaporation dehumidification coil 3 and the condensation reheating coil 4;
the temperature adjusting section comprises a heat exchange coil 6 and a chilled water bypass electromagnetic valve 15, an air supply outlet 9 is formed in one end, far away from an air return inlet 8, of a coil casing 1, the heat exchange coil 6 is embedded in the coil casing 1 and faces the air supply outlet 9, two ends of the heat exchange coil 6 are respectively connected with a chilled water inlet pipe 12 and a chilled water outlet pipe 13 extending out of the coil casing 1, a transition guide pipe 14 is connected between the chilled water inlet pipe 12 and the chilled water outlet pipe 13, and the chilled water bypass electromagnetic valve 15 is respectively installed on the chilled water inlet pipe 12 and the transition guide pipe 14;
the control system comprises a temperature and humidity detector 16 and a controller 17.
Further, the temperature and humidity detector 16 is installed on the side wall of the coil casing 1, the detection end of the temperature and humidity detector is arranged inside the coil casing 1, the data output end of the temperature and humidity detector is connected to the controller 17, and the controller 17 is connected to the control ends of the fan 11, the dehumidification compressor 5 and the chilled water bypass electromagnetic valve 15 respectively.
Further, evaporation dehumidification coil 3 and condensation reheat coil 4 are copper pipe fin, and its inside refrigerant that fills lays the water trap below evaporation dehumidification coil 3 and condensation reheat coil 4, along with the comdenstion water discharge, when evaporation dehumidification coil 3 frosted, control system can monitor heat exchange efficiency and pressure unusual, opens the reverse cycle mode and defrosts.
Furthermore, after the control system sets a temperature and humidity value through the controller 17, the logic controller in the control panel compares the set temperature and humidity with the difference between the set temperature and humidity and the temperature and humidity monitored by the temperature and humidity detector 16, calculates the heat and humidity ratio required by the current heat and humidity removal of the room, selects a corresponding matching mode according to the heat and humidity ratio of the machine corresponding to different modes, and firstly adjusts to the matching cooling and humidity removal mode by controlling the chilled water bypass electromagnetic valve 15 of the temperature adjusting section and the fan 11 of the air return section.
Further, when the controller 17 determines that the heat exchange coil 6 cannot meet the dehumidification requirement by calculating the heat-moisture ratio, it sends an execution command to start the dehumidification compressor 5, and dehumidifies by using the evaporation dehumidification coil 3 and the condensation reheat coil 4 connected thereto.
Further, the controller 17 and the temperature and humidity detector 16 have a continuous monitoring function, and monitoring and adjustment can be started every 2 min.
The working principle is as follows:
as shown in fig. 2-3, firstly, parameters such as heat-humidity ratio and cooling capacity corresponding to different chilled water flow and air volume modes obtained through experiments are input in advance in the controller 17, target temperature and humidity are set through the controller 17, after the controller 17 receives data monitored by the temperature and humidity detector 16, the built-in calculator compares the set temperature and humidity with the monitored temperature and humidity to calculate an actual heat-humidity ratio, and after a temperature reduction and dehumidification mode is selected, an execution command is sent to the execution system; if machine heat and humidity ratio shows dehumidification ability not enough under the conventional mode, then the dehumidification mode is opened to the system, starts dehumidification compressor 5, utilizes evaporation dehumidification coil pipe 3, condensation reheat coil pipe 4 to dehumidify, behind the evaporation dehumidification coil pipe 3 dehumidification, air temperature can rise more behind condensation reheat coil pipe 4, after 16 monitoring through temperature and humidity detector, adjusts the flow of refrigerated water bypass solenoid valve 15 according to the difference in temperature size and readjusts the temperature.
Meanwhile, the system checks the once detected temperature value in 5min to adjust the control mode in real time, synchronously checks the change condition of the temperature of the monitoring point along with the time to judge whether the refrigerating capacity is increased, if the temperature is not reduced along with the time and the monitored temperature and the set temperature value are more than 5 ℃, a mode with higher refrigerating capacity than the current use mode needs to be selected when the flow and the air quantity are adjusted, and the system is continuously and repeatedly adjusted to realize the dynamic control of the temperature and the humidity in the room.
The utility model discloses humiture in the control chamber that can be fine possesses fine energy-conserving effect, has good popularization effect to fan coil's energy-conserving application, and protection scope not only is applicable to conventional fan coil field, as long as control system and the above-mentioned similar warm field of leading to, all should contain within the protection scope of this patent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A fan coil with fresh air dehumidification function is characterized by comprising a coil shell (1), and an air return section, a dehumidification section, a temperature regulation section and a control system which are integrated on the coil shell (1), wherein the air return section, the dehumidification section and the temperature regulation section are sequentially distributed in the coil shell (1) from left to right;
the air return section comprises a fresh air inlet (7), an air return inlet (8), a filter screen (10) and a fan (11), one end of the coil pipe shell (1) is arranged at the position of the air return section to form an air return box (2), the fresh air inlet (7) is arranged on the side face of the air return box (2), the air return inlet (8) is arranged at the outer end of the air return box (2), the filter screen (10) is embedded in the air return box (2) and is opposite to the position of the air return inlet (8), and the fan (11) is arranged in the air return box (2) and is arranged on one side, far away from the air return inlet (8), of the filter screen (10);
the dehumidification section comprises an evaporation dehumidification coil (3), a condensation reheating coil (4) and a dehumidification compressor (5), the evaporation dehumidification coil (3) and the condensation reheating coil (4) are installed in a coil shell (1) at intervals, the evaporation dehumidification coil (3) is arranged on one side close to the air return section, and the dehumidification compressor (5) is installed outside the coil shell (1) and is respectively connected with the evaporation dehumidification coil (3) and the condensation reheating coil (4) to provide heat exchange power for the evaporation dehumidification coil (3) and the condensation reheating coil (4);
the temperature adjusting section comprises a heat exchange coil (6) and a chilled water bypass electromagnetic valve (15), an air supply outlet (9) is formed in one end, far away from an air return inlet (8), of a coil casing (1), the heat exchange coil (6) is embedded in the coil casing (1) and is opposite to the air supply outlet (9), two ends of the heat exchange coil (6) are respectively connected with a chilled water inlet pipe (12) and a chilled water outlet pipe (13) extending out of the coil casing (1), a transition guide pipe (14) is connected between the chilled water inlet pipe (12) and the chilled water outlet pipe (13), and the chilled water bypass electromagnetic valve (15) is respectively installed on the chilled water inlet pipe (12) and the transition guide pipe (14);
the control system comprises a temperature and humidity detector (16) and a controller (17).
2. A fan coil unit with fresh air dehumidifying function as claimed in claim 1, wherein: the temperature and humidity detector (16) is installed on the side wall of the coil pipe shell (1), the detection end of the temperature and humidity detector is arranged inside the coil pipe shell (1), the data output end of the temperature and humidity detector is connected to the controller (17), and the controller (17) is connected with the control ends of the fan (11), the dehumidification compressor (5) and the chilled water bypass electromagnetic valve (15) respectively.
3. The fan coil with the fresh air dehumidifying function as claimed in claim 1, wherein: evaporation dehumidification coil (3) and condensation reheat coil (4) are copper tube fin, and its inside refrigerant of filling lays the water trap below evaporation dehumidification coil (3) and condensation reheat coil (4), discharges along with the comdenstion water, and when evaporation dehumidification coil (3) frosted, heat exchange efficiency and pressure anomaly can be monitored to control system, opens the reverse cycle mode and carries out the defrosting.
4. A fan coil unit with fresh air dehumidifying function as claimed in claim 1, wherein: after the temperature and humidity value is set through the controller (17), the logic controller in the control panel can compare the set temperature and humidity with the difference between the temperature and humidity monitored by the temperature and humidity detector (16) to calculate the heat-humidity ratio required by the current heat removal and dehumidification of the room, and selects a corresponding matched mode according to the machine heat-humidity ratio corresponding to different modes, and firstly, the cooling and dehumidification modes are adjusted to be matched through a chilled water bypass electromagnetic valve (15) of the temperature adjusting section and a fan (11) of the air return section.
5. A fan coil unit with fresh air dehumidifying function as claimed in claim 1, wherein: when the controller (17) judges that the heat exchange coil (6) can not meet the dehumidification requirement by calculating the heat-humidity ratio, an execution command is sent to start the dehumidification compressor (5), and the evaporation dehumidification coil (3) and the condensation reheating coil (4) which are connected with the dehumidification compressor are used for dehumidification.
6. A fan coil unit with fresh air dehumidifying function as claimed in claim 1, wherein: the controller (17) and the temperature and humidity detector (16) have a continuous monitoring function, and monitoring and adjustment can be started every 2 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221489858.5U CN217928987U (en) | 2022-06-14 | 2022-06-14 | Fan coil pipe with fresh air dehumidifying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221489858.5U CN217928987U (en) | 2022-06-14 | 2022-06-14 | Fan coil pipe with fresh air dehumidifying function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217928987U true CN217928987U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221489858.5U Active CN217928987U (en) | 2022-06-14 | 2022-06-14 | Fan coil pipe with fresh air dehumidifying function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217928987U (en) |
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2022
- 2022-06-14 CN CN202221489858.5U patent/CN217928987U/en active Active
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