Exhaust heat exchange type constant temperature and humidity machine
Through the exhaust air heat exchange type constant temperature and humidity machine designed in the split channel of fresh air and waste air, heat exchange is used to exchange with full heat heat exchanger and condensing fan, the problems of complex structure and poor dehumidification effect in the existing technology are solved, and simple and efficient constant temperature and humidity and waste heat recovery are achieved.
Patent Information
- Application Number
- CN202422108652.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-29
AI Technical Summary
The existing constant temperature and humidity machines have complex structures and need to be improved, making it difficult to achieve efficient and energy-saving waste heat recovery.
The fresh air and dirty air channel design is adopted, and the heat exchange is exchanged using the core of the full heat exchanger and the condenser. Combined with the evaporator and the condenser, the fresh air and dirty air are sent to the heat exchange chamber separately through the blower and the condenser for heat exchange, achieving simple and effective dehumidification and waste heat recovery.
It achieves a constant temperature and humidity effect with a simple structure, good dehumidification effect and energy-saving effect, reducing equipment complexity and energy consumption.
Smart Images
Figure CN223138023U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of constant temperature and humidity machines, and particularly relates to an exhaust heat exchange type constant temperature and humidity machine. Background Art
[0002] A constant temperature and humidity machine is a common air conditioning device, and its operation is through three interrelated systems: a refrigeration cycle system, an air circulation system, and an electrical automatic control system;
[0003] At present, in the prior art, there are also structural forms for heat recovery of constant temperature and humidity machines. Although the structural forms are quite different, the structures and systems are generally relatively complex, with high implementation difficulty, and the dehumidification effect of some needs to be improved. Summary of the Utility Model
[0004] The utility model provides an exhaust heat exchange type constant temperature and humidity machine, which can solve the problems pointed out in the background art.
[0005] An exhaust heat exchange type constant temperature and humidity machine includes a housing. A fresh air inlet and a dirty air inlet are provided on the housing. The fresh air inlet and the dirty air inlet are respectively correspondingly arranged with a fresh air channel and a dirty air channel on the housing. A fresh air filter, an evaporator, and a blower are provided in the fresh air channel. The blower is used to send fresh air to the heat exchange chamber of the housing for heat exchange. A total heat exchanger core is provided in the heat exchange chamber. A condensation blower and a condenser are provided in the dirty air channel. The condensation blower is used to send dirty air to the heat exchange chamber for heat exchange. An exhaust port and a supply air port are correspondingly arranged in the heat exchange chamber.
[0006] Preferably, a vertical partition is arranged in the housing to separate the fresh air channel and the dirty air channel through the vertical partition. A horizontal partition is provided at the upper part of the housing to separate the heat exchange chamber through the horizontal partition.
[0007] Preferably, the total heat exchanger core is arranged at the center of the heat exchange chamber, and corresponding heat exchange channels are formed through a plurality of heat exchange partitions. The exhaust port and the supply air port are arranged on both sides above the heat exchange chamber.
[0008] Preferably, an exhaust air regulating valve is provided on the heat exchange chamber for discharging the dirty air that has not undergone heat exchange to adjust the amount of dirty air for heat exchange.
[0009] Preferably, a water receiving tray and a condensation water pipe connected to the water receiving tray are provided below the evaporator.
[0010] Advantageous Effects: The utility model provides an exhaust heat exchange type constant temperature and humidity machine, providing a heat exchange type constant temperature and humidity machine with a new structural form, having the advantages of simple structure, easy implementation, good dehumidification effect, energy saving, etc. Description of the Drawings
[0011] Figure 1 This is a schematic cross-sectional view of the present utility model.
[0012] Figure 2 This is a schematic cross-sectional view of the bottom of the present utility model.
[0013] Explanation of reference numerals in the drawings:
[0014] Reference numerals in the figure: housing 1; fresh air inlet 11; dirty air inlet 12; fresh air passage 13; dirty air passage 14; heat exchange chamber 15; air outlet 16; air supply outlet 17; vertical partition 18; horizontal partition 19; heat exchange partition 20; fresh air filter 2; evaporator 3; air supply fan 4; total heat exchanger core 5; condensation fan 6; exhaust air regulating valve 7; water receiving tray 8; condensation water pipe 9; condenser 10; compressor 30; expansion valve 40. Specific embodiments
[0015] The following combines the drawings to describe in detail a specific embodiment of the present utility model, but it should be understood that the protection scope of the present utility model is not limited by the specific embodiment.
[0016] Embodiment: As Figure 1 shown, an exhaust air heat exchange type constant temperature and humidity machine provided by an embodiment of the present utility model includes a housing 1. A fresh air inlet 11 and a dirty air inlet 12 are provided on the housing 1. The fresh air inlet 11 and the dirty air inlet 12 are respectively arranged corresponding to the fresh air passage 13 and the dirty air passage 14 on the housing 1. A fresh air filter 2, an evaporator 3, and an air supply fan 4 are provided in the fresh air passage 13. The fresh air is sent to the heat exchange chamber 15 of the housing 1 for heat exchange through the air supply fan 4. A total heat exchanger core 5 is provided in the heat exchange chamber 15. A condensation fan 6 and a condenser 10 are provided in the dirty air passage 14. The dirty air is sent to the heat exchange chamber 15 for heat exchange through the condensation fan 6. An air outlet 16 and an air supply outlet 17 are arranged corresponding to the heat exchange chamber 15.
[0017] Specifically, a water receiving tray 8 and a condensation water pipe 9 connected to the water receiving tray 8 are provided below the evaporator 3.
[0018] Specifically, a vertical partition 18 is arranged in the housing 1. The fresh air passage 13 and the dirty air passage 14 are separated by the vertical partition 18. A horizontal partition 19 is provided at the upper part of the housing 1. The heat exchange chamber 15 is separated by the horizontal partition 19. The total heat exchanger core 5 is arranged at the center of the heat exchange chamber 15. Corresponding heat exchange channels are formed through a plurality of heat exchange partitions 20. The air outlet 16 and the air supply outlet 17 are arranged corresponding to the upper two sides of the heat exchange chamber 15.
[0019] In some embodiments, an exhaust air regulating valve 7 is provided on the heat exchange chamber 15 for discharging the unheated dirty air to adjust the amount of the heat-exchanged dirty air. The exhaust air regulating valve 7 is arranged on one side of the lower part of the heat exchange chamber 15, above the condensation fan 6. Under the control of the PLC set program, through the opening degree of the exhaust air regulating valve 7, the dirty air with partial surplus heat is discharged outside the equipment through the exhaust air regulating valve 7 to control the air supply temperature and humidity parameters.
[0020] The working principle of the present utility model: Combining Figure 1-2 as shown in
[0021] 1. The outdoor fresh air is filtered by the fresh air filter 2 and then undergoes heat exchange in the evaporator 3. When the temperature of the fresh air drops below the dew point temperature, the water vapor in the air condenses into water droplets, which gather in the water receiving tray 8 and are discharged outdoors through the condensate pipe 9. The cold air after dehumidification and preliminary moisture removal is driven by the air supply fan 4, passes through the total heat exchanger filter element 5 to be heated and further dehumidified, and then is sent to the room that needs to be cooled and dehumidified.
[0022] 2. The outdoor dirty air undergoes heat exchange in the condenser 10, is heated up, and then driven by the condensation fan 6, passes through the total heat exchanger filter element 5 to perform total heat exchange with the wet cold air discharged from the evaporator 3, takes away part of the water vapor and is discharged outside the equipment through the air outlet 16.
[0023] 3. Under the action of the compressor 30, the refrigerant is compressed into a high-temperature and high-pressure gas. This process requires a large amount of energy to overcome the resistance of the compressor. The compressed high-temperature and high-pressure gas passes through the condenser 10, undergoes heat exchange with the outdoor dirty air, releases heat, and the refrigerant becomes liquid. The liquid refrigerant passes through the expansion valve 40, and the pressure and temperature drop sharply, becoming a low-temperature and low-pressure liquid. The low-temperature and low-pressure liquid passes through the evaporator 3, absorbs the heat of the outdoor fresh air, and becomes gaseous again. At this time, it has completed the phase change process from liquid to gas, absorbed heat, and achieved the refrigeration effect. After the outdoor fresh air is cooled by the evaporator, the saturation of the water vapor in the air decreases, and when it is lower than the critical value, condensed water will precipitate. When the low-temperature wet cold air passes through the total heat exchanger, part of the water vapor is transferred to the hot air conveyed by the condenser and taken out, and the low-temperature air is heated to a certain extent (should meet the requirements of the indoor environment temperature), so that the saturation of the water vapor decreases, thus completing the process of cooling and dehumidification.
[0024] The above only discloses several specific embodiments of the present utility model. However, the embodiments of the present utility model are not limited thereto, and any changes that can be thought of by those skilled in the art should fall within the protection scope of the present utility model.
Claims
1. An exhaust air heat exchange type constant temperature and humidity machine, characterized in that: It includes a housing (1), on which there are a fresh air inlet (11) and a polluted air inlet (12). The fresh air inlet (11) and the polluted air inlet (12) are respectively arranged corresponding to a fresh air channel (13) and a polluted air channel (14) on the housing (1). A fresh air filter (2), an evaporator (3) and a blower (4) are arranged in the fresh air channel (13). The fresh air is sent to a heat exchange chamber (15) of the housing (1) for heat exchange through the blower (4). A total heat exchanger core (5) is arranged in the heat exchange chamber (15). A condensation blower (6) and a condenser (10) are arranged in the polluted air channel (14). The polluted air is sent to the heat exchange chamber (15) for heat exchange through the condensation blower (6). An exhaust port (16) and a supply air port (17) are arranged corresponding to the heat exchange chamber (15).
2. The constant temperature and humidity machine with exhaust air heat exchange according to claim 1, wherein: A vertical partition (18) is arranged in the housing (1), and the fresh air channel (13) and the polluted air channel (14) are separated by the vertical partition (18). A horizontal partition (19) is arranged at the upper part of the housing (1), and the heat exchange chamber (15) is separated by the horizontal partition (19).
3. The air exhaust heat exchange type constant temperature and humidity machine according to claim 2, characterized in that: The total heat exchanger core (5) is arranged at the center of the heat exchange chamber (15), and corresponding heat exchange channels are formed by a plurality of heat exchange partitions (20). The exhaust port (16) and the supply air port (17) are arranged on both sides above the heat exchange chamber (15).
4. A kind of exhaust heat exchange type constant temperature and humidity machine according to any one of claims 1-3, characterized in that: An exhaust air regulating valve (7) is arranged on the heat exchange chamber (15) for exhausting the polluted air that has not undergone heat exchange to regulate the amount of polluted air for heat exchange.
5. A kind of exhaust air heat exchange type constant temperature and humidity machine according to any one of claims 1-3, characterized in that: A water receiving tray (8) and a condensate water pipe (9) connected to the water receiving tray (8) are arranged below the evaporator (3).