CN220453830U - Cold water type fresh air dehumidifier with internal heat recovery function - Google Patents
Cold water type fresh air dehumidifier with internal heat recovery function Download PDFInfo
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- CN220453830U CN220453830U CN202223205643.9U CN202223205643U CN220453830U CN 220453830 U CN220453830 U CN 220453830U CN 202223205643 U CN202223205643 U CN 202223205643U CN 220453830 U CN220453830 U CN 220453830U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000011084 recovery Methods 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000003303 reheating Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 abstract description 20
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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Abstract
The utility model provides a take inside heat recovery's cold water formula new trend dehumidifier, includes the equipment casing, the left side of equipment casing is provided with the new wind gap, the left side of equipment casing is provided with the return air inlet. This take inside heat recovery's cold water formula new trend dehumidifier, the cold volume of retrieving the back air of passing through the dehumidification coil, transfer to the anterior precooling of dehumidification coil, so can increase the proportion that is used for the dehumidification part in the dehumidification coil cold volume, can realize great dehumidification volume on equal cold volume basis, and improve the influence that air-out temperature reducible to indoor temperature. The indoor temperature and humidity control device is suitable for being used all the year round, the indoor cold load is very small in plum rains, but the humidity is high, the indoor temperature is reduced due to the fact that the indoor temperature and humidity are reduced by refrigerating and dehumidifying through an air conditioner, the comfort level of a human body is greatly reduced, and the indoor temperature and humidity control device is very suitable for controlling the indoor temperature and humidity. In addition, the system also has cooling, dehumidifying, heating and ventilating modes, and can realize automatic switching between a fresh air mode and a mixed air mode according to the indoor air quality condition.
Description
Technical Field
The utility model relates to the technical field of heating ventilation and air conditioning, in particular to a cold water type fresh air dehumidifier with internal heat recovery.
Background
The existing cold water type fresh air dehumidifier needs reheating to improve the temperature of an air outlet after dehumidification, and adopts the schemes of electric heating, an internal compressor (double cold sources) or external cold and hot water supply at the moment, and the schemes have the conditions of complex structure, high energy consumption and the like. The actual recovery efficiency of the product is low by adopting a heat pipe type internal heat recovery technology (ZL 201920276006.X is a fresh air dehumidifier with a heat pipe).
The internal heat recovery technology is adopted, the cold energy obtained after the dehumidifying coil is transmitted to the front of the dehumidifying coil through a medium, the precooling function is realized, the proportion of the total cold energy for dehumidification can be increased, the larger unit cold energy dehumidifying amount is obtained, the sizes of the two coils and the water pump power can be adjusted, the recovery rate can be increased, and the dehumidifying method is an energy-saving and synergistic dehumidifying mode, and the actual effect is much better than that of the heat pipe type internal heat recovery technology.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the cold water type fresh air dehumidifier with the internal heat recovery, which has the advantages of the internal heat recovery and the like, and solves the problems of complex structure and high energy consumption.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take inside heat recovery's cold water formula new trend dehumidifier, includes equipment casing and control panel, the left side of equipment casing is provided with the fresh air inlet, the left side of equipment casing is provided with the return air inlet, the inside heat recovery mechanism that is provided with of equipment casing.
The heat recovery mechanism comprises a pre-cooling coil pipe arranged inside an equipment shell, a circulating pipeline is arranged inside the equipment shell, a reheating coil pipe is arranged on the right side of the circulating pipeline, and a dehumidifying coil pipe is arranged between the pre-cooling coil pipe and the reheating coil pipe.
The device comprises a device shell, and is characterized in that a filter screen is arranged in the device shell, a water receiving disc is arranged at the bottom of the device shell, an electric heater is arranged in the device shell, a filter screen cover plate is arranged on the side part of the device shell, a cold and hot circulating water outlet and a cold and hot circulating water inlet are arranged on the side part of the device shell, and the cold and hot circulating water inlet and the cold and hot circulating water outlet are connected with two ports of a dehumidifying coil;
the control panel is connected with fresh air blast valve, return air valve, air inlet temperature sensor, circulating pump, electric heater, variable frequency fan, drain pump, air outlet temperature sensor, coil pipe temperature sensor, electric control valve, variable frequency fan's right side is provided with the supply-air inlet, the drain pump is connected with the outlet, the left side electricity of control panel is connected with the control wiring, the left side electricity of control wiring is connected with control panel, control panel's bottom is provided with temperature and humidity sensor, precooling coil pipe, circulating pump, reheat coil pipe interconnect form sealed water return circuit.
Further, the fresh air valve and the return air valve are multi-position adjustable.
Further, the electric control valve is a variable flow regulating valve.
Further, the variable frequency fan is controlled by variable air volume.
Further, the circulation pump is variable flow controlled.
Further, the temperature and humidity sensor is connected to the control panel.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
the cold water type fresh air dehumidifier with internal heat recovery is used for recovering the cold energy of air after passing through the dehumidification coil pipe and transferring the cold energy to the front part of the dehumidification coil pipe for precooling, so that the proportion of the cold energy of the dehumidification coil pipe for dehumidification can be increased, larger dehumidification can be realized on the basis of the same cold energy, the influence on indoor temperature can be reduced by improving the air outlet temperature.
Drawings
FIG. 1 shows the present utility model a structural schematic;
fig. 2 is a bottom view of the mechanism of the present utility model.
In the figure: 1 fresh air inlet, 2 fresh air valve, 3 return air inlet, 4 return air valve, 5 equipment shell, 6 filter screen, 7 air inlet temperature sensor, 8 precooling coil, 9 circulating pump, 10 circulating pipeline, 11 reheat coil, 12 water collector, 13 electric heater, 14 variable frequency fan, 15 supply-air inlet, 16 drain pump, 17 air outlet temperature sensor, 18 coil temperature sensor, 19 electric control valve, 20 dehumidification coil, 21 filter screen apron, 22, outlet, 23 cold and hot circulating water outlet, 24 cold and hot circulating water inlet, 31 control wiring, 32 control panel, 33 control panel, 34 temperature and humidity sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a cold water type fresh air dehumidifier with internal heat recovery in this embodiment includes an equipment housing 5 and a control board 32, a fresh air port 1 is disposed on the left side of the equipment housing 5, an air return port 3 is disposed on the left side of the equipment housing 5, and a heat recovery mechanism is disposed inside the equipment housing 5.
The heat recovery mechanism comprises a pre-cooling coil 8 arranged inside an equipment shell 5, a circulating pipeline 10 is arranged inside the equipment shell 5, a reheating coil 11 is arranged on the right side of the circulating pipeline 10, and a dehumidifying coil 20 is arranged between the pre-cooling coil 8 and the reheating coil 11.
The inside of equipment casing 5 is provided with filter screen 6, and the bottom of equipment casing 5 is provided with water collector 12, and the inside of equipment casing 5 is provided with electric heater 13, and the lateral part of equipment casing 5 is provided with filter screen apron 21, and the lateral part of equipment casing 5 is provided with cold and hot circulating water export 23 and cold and hot circulating water entry 24, and cold and hot circulating water entry 24 and cold and hot circulating water export 23 are connected with two ports of dehumidification coil 20.
Referring to fig. 1-2, a control board 32 is connected with a fresh air valve 2, a return air valve 4, an air inlet temperature sensor 7, a circulating pump 9, an electric heater 13, a variable frequency fan 14, a drainage pump 16, an air outlet temperature sensor 17, a coil temperature sensor 18 and an electric control valve 19, the return air valve 4 is multi-position adjustable, the air inlet temperature sensor 7 and the circulating pump 9 are controlled by variable flow, the electric heater 13, the variable frequency fan 14 and the variable frequency fan 14 are controlled by variable flow, an air supply opening 15 is arranged on the right side of the variable frequency fan 14, the drainage pump 16 is connected with a drainage outlet 22, the electric control valve 19 is a variable flow regulating valve, a control wiring 31 is electrically connected on the left side of the control board 32, a control panel 33 is electrically connected on the left side of the control wiring 31, a temperature and humidity sensor 34 of the bottom of the control panel 33 is connected to the control panel 33, and a precooling coil 8, a circulating pipe 10, the circulating pump 9 and a reheating coil 11 are mutually connected to form a closed water loop.
The above embodiment the working principle is as follows:
when dehumidification is performed:
the equipment starts fresh air valve 2 and return air valve 4, opens variable frequency fan 14, realizes the new trend function, compares with the settlement humidity according to the humidity actual value of temperature and humidity sensor 34 in controller 32, opens dehumidification function when being higher than the settlement, opens electronic control valve 19 this moment, gives the aperture of electronic control valve 19 according to the numerical value and the settlement comparison of air-out temperature sensor 17, opens circulating pump 9, makes circulating water flow in precooling coil 8 and reheat coil 11, brings the cold volume from reheat coil 11 to precooling coil 8, reduces the temperature of passing air, increases dehumidification volume of dehumidification coil 20. The dehumidified air can be used for increasing the air temperature through the reheating coil, reducing the indoor cooling capacity, judging the dehumidification requirement according to the indoor dew point condition, reducing the air quantity of the variable frequency fan 14 when the dehumidification requirement is small, starting the electric heater 13 to avoid the excessively low indoor temperature when the temperature and humidity sensor 34 displays that the indoor temperature is lower than 22 ℃, and automatically controlling the opening of the fresh air valve 2 and the opening of the return air valve 4 according to the indoor temperature and humidity condition, so that the fresh air proportion is increased as much as possible.
Heating:
the equipment starts fresh air valve 2 and return air valve 4, opens variable frequency fan 14, realizes the fresh air function, compares with the settlement temperature according to temperature sensor 34's temperature actual value in the controller 32, opens the heating function when being higher than the settlement, opens electric control valve 19 this moment, and the numerical value according to air-out temperature sensor 17 compares with the settlement, gives the aperture of electric control valve 19, and indoor heat supply demand is hour, can reduce the amount of wind of variable frequency fan 14, according to the aperture of indoor temperature condition automatic control fresh air valve 2 and return air valve 4, increases fresh air proportion as far as possible.
When ventilation is performed:
the equipment starts the fresh air valve 2 and the return air valve 4, opens the variable frequency fan 14, realizes the fresh air function, automatically controls the opening of the fresh air valve 2 and the return air valve 4 according to the indoor temperature condition, increases the fresh air proportion as much as possible, and even all fresh air.
The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail, and the device is powered by an external power supply.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a take inside heat recovery's cold water formula new trend dehumidifier, includes equipment housing (5) and control panel (32), its characterized in that: a fresh air port (1) is arranged on the left side of the equipment shell (5), a return air port (3) is arranged on the left side of the equipment shell (5), and a heat recovery mechanism is arranged inside the equipment shell (5);
the heat recovery mechanism comprises a pre-cooling coil (8) arranged inside an equipment shell (5), a circulating pipeline (10) is arranged inside the equipment shell (5), a reheating coil (11) is arranged on the right side of the circulating pipeline (10), and a dehumidifying coil (20) is arranged between the pre-cooling coil (8) and the reheating coil (11);
the device comprises a device shell (5), wherein a filter screen (6) is arranged in the device shell (5), a water receiving disc (12) is arranged at the bottom of the device shell (5), an electric heater (13) is arranged in the device shell (5), a filter screen cover plate (21) is arranged on the side part of the device shell (5), a cold and hot circulating water outlet (23) and a cold and hot circulating water inlet (24) are arranged on the side part of the device shell (5), and the cold and hot circulating water inlet (24) and the cold and hot circulating water outlet (23) are connected with two ports of a dehumidifying coil pipe (20);
the utility model discloses a water cooling system, including control panel (32), fresh air valve (2), return air valve (4), air inlet temperature sensor (7), circulating pump (9), electric heater (13), variable frequency fan (14), drain pump (16), air outlet temperature sensor (17), coil pipe temperature sensor (18), electric control valve (19), the right side of variable frequency fan (14) is provided with supply-air outlet (15), drain pump (16) are connected with outlet (22), the left side electricity of control panel (32) is connected with control wiring (31), the left side electricity of control wiring (31) is connected with control panel (33), the bottom of control panel (33) is provided with temperature and humidity sensor (34), precooling coil pipe (8), circulating pipe (10), circulating pump (9), reheat coil pipe (11) interconnect form closed water circuit.
2. The cold water fresh air dehumidifier with internal heat recovery according to claim 1, wherein: the fresh air valve (2) and the return air valve (4) are multi-position adjustable.
3. The cold water fresh air dehumidifier with internal heat recovery according to claim 1, wherein: the electric control valve (19) is a variable flow regulating valve.
4. The cold water fresh air dehumidifier with internal heat recovery according to claim 1, wherein: the variable frequency fan (14) is controlled by variable air volume.
5. The cold water fresh air dehumidifier with internal heat recovery according to claim 1, wherein: the circulating pump (9) is controlled by variable flow rate.
6. The cold water fresh air dehumidifier with internal heat recovery according to claim 1, wherein: the temperature and humidity sensor (34) is connected to the control panel (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223205643.9U CN220453830U (en) | 2022-11-30 | 2022-11-30 | Cold water type fresh air dehumidifier with internal heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223205643.9U CN220453830U (en) | 2022-11-30 | 2022-11-30 | Cold water type fresh air dehumidifier with internal heat recovery function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220453830U true CN220453830U (en) | 2024-02-06 |
Family
ID=89728326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223205643.9U Active CN220453830U (en) | 2022-11-30 | 2022-11-30 | Cold water type fresh air dehumidifier with internal heat recovery function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220453830U (en) |
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2022
- 2022-11-30 CN CN202223205643.9U patent/CN220453830U/en active Active
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