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Low-power-consumption constant-temperature and constant-humidity machine and working method thereof

A constant temperature and humidity machine, low power consumption technology, used in refrigerators, compressors, heating methods, etc., can solve the problem that the temperature and humidity cannot be controlled within the specified temperature and humidity range, increase power consumption, and the difficulty of constant temperature and humidity machines. To achieve low humidity control and other issues, to achieve the effect of saving power consumption, reducing heat loss, and reducing operating costs

Pending Publication Date: 2020-08-04
福州融翔电气技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] A low-load or zero-load environment means that there are almost no electronic devices that can generate heat in the room, that is, there is no heat source that can cause the indoor temperature to rise, or even if it exists, it has little effect, such as meeting rooms, vaults, special medicines, and special computer rooms. , library, etc.; the constant temperature and humidity machine uses the cooling and dehumidification function to lower the ambient temperature to the set temperature and dehumidify it. When working in a low-load or 0-load environment, if it is required to reach a temperature of 10-22 ° C and a humidity of 35% -50% indoor environment, it is difficult to achieve low humidity control with conventional constant temperature and humidity machines, and it is necessary to start electric auxiliary heating, thereby increasing power consumption; if the heat of electric auxiliary heating cannot meet the cooling capacity of dehumidification, it is necessary to repeatedly stop heating Dehumidification, resulting in temperature and humidity can not be controlled within the specified range of temperature and humidity

Method used

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  • Low-power-consumption constant-temperature and constant-humidity machine and working method thereof
  • Low-power-consumption constant-temperature and constant-humidity machine and working method thereof
  • Low-power-consumption constant-temperature and constant-humidity machine and working method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Embodiment one: if Figure 1~5 As shown, a low power consumption constant temperature and humidity machine includes an indoor unit 100 and an outdoor cooling unit, and the indoor unit 100 is provided with two indoor condensers (respectively the first indoor condenser 110 and the second indoor condenser 120) and a refrigerating and dehumidifying unit, the refrigerating and dehumidifying unit includes a liquid storage tank 130, an expansion valve, an indoor evaporator 140 and a compressor 150 connected in series along the flow direction of the refrigerant, and the expansion valve is a thermal expansion valve. An electronic expansion valve can be used; the outdoor heat dissipation unit and the refrigeration dehumidification unit are connected through pipelines to form an external circulation loop, and each indoor condenser and the refrigeration dehumidification unit are connected through pipelines to form an inner circulation loop; wherein the first indoor condenser and ref...

Embodiment 2

[0031] Embodiment two: if Figure 6~7 As shown, the difference between this embodiment and Embodiment 1 is that the structure of the outdoor heat dissipation unit is different. The outdoor heat dissipation unit in this embodiment includes a water-fluorine heat exchanger 160 and a dry cooler, and the gap between the dry cooler and the water-fluorine heat exchanger A cooling circulation pump 170 is installed on the connecting pipeline. The outdoor heat dissipation unit in Embodiment 1 directly adopts an outdoor condenser, which is called Type A based on the principle of direct evaporation; while this embodiment adopts indirect heat exchange, which is used when the installation position of the outdoor unit is limited, and water \ B Glycol mixture is converted to achieve long-distance heat dissipation of the external unit, which is called G type, which solves the problem that the refrigerant is not easy to return to the compressor and the load of the compressor due to the long pip...

Embodiment 3

[0033] Embodiment 3: The difference between this embodiment and Embodiment 1 is that the number of indoor condensers and reversing four-way valves is different. In this embodiment, the number of indoor condensers and reversing four-way valves is the same and greater than two, which can be 3, 4, 5, 6... The connection mode of all indoor condensers is the same as that of the first indoor condenser or the second indoor condenser in Embodiment 1, and each indoor condenser is equipped with a reversing four-way valve; The refrigerant outlet end of the above-mentioned refrigeration and dehumidification unit is respectively connected to the D interface of each reversing four-way valve through the refrigerant distribution pipe, and the E interface of each reversing four-way valve is connected to the inlet port of the corresponding indoor condenser. Each indoor condenser The outlet ports of each reversing four-way valve are connected to the refrigerant inlet port of the refrigeration and...

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PUM

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Abstract

The invention discloses a low-power-consumption constant-temperature and constant-humidity machine and a working method thereof. The machine comprises an indoor unit and an outdoor heat dissipation unit; a refrigeration and dehumidification unit and at least two indoor condensers are arranged in the indoor unit, and the refrigeration and dehumidification unit comprises a liquid storage tank, an expansion valve, an indoor evaporator and a compressor which are sequentially connected in series in the refrigerant flowing direction; the outdoor heat dissipation unit and the refrigeration and dehumidification unit are connected through a pipeline to form an outer circulation loop; and the indoor condensers are connected with the refrigeration and dehumidification unit through pipelines to form internal circulation loops. The low-power-consumption constant-temperature and constant-humidity machine is suitable for low-load or zero-load environment, and the circulation loops capable of achieving heat recovery is added; redundant heat sources can be discharged outdoors or recovered, so that the needed temperature and humidity are obtained through repeated operation in this mode; and additional electric auxiliary heating is not needed, so that the heat energy loss and the operation cost are reduced.

Description

technical field [0001] The invention relates to a low power consumption constant temperature and humidity machine and its working method. Background technique [0002] A low-load or zero-load environment means that there are almost no electronic devices that can generate heat in the room, that is, there is no heat source that can cause the indoor temperature to rise, or even if it exists, it has little effect, such as meeting rooms, vaults, special medicines, and special computer rooms. , library, etc.; the constant temperature and humidity machine uses the cooling and dehumidification function to lower the ambient temperature to the set temperature and dehumidify it. When working in a low-load or 0-load environment, if it is required to reach a temperature of 10-22 ° C and a humidity of 35% -50% indoor environment, it is difficult to achieve low humidity control with conventional constant temperature and humidity machines, and it is necessary to start electric auxiliary hea...

Claims

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Application Information

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IPC IPC(8): F24F5/00F24F1/0003F24F3/14F24F3/16F24F11/64F24F12/00F24F13/22F24F13/30F25B13/00F25B43/02F25B49/02
CPCF24F5/001F24F1/0003F24F3/1405F24F13/30F24F13/222F24F11/64F24F12/00F25B13/00F25B43/02F25B49/02F24F2003/1446F24F8/22F24F8/30F24F8/192Y02B30/56
Inventor 许世峰
Owner 福州融翔电气技术有限公司