Temperature and humidity dual-control temperature-adjusting dehumidification unit and air conditioner

Abstract

The utility model relates to the technical field of heating, ventilation and air conditioning, and discloses a temperature and humidity dual-control temperature adjusting and dehumidifying unit and an air conditioner, the unit comprises a casing, a main loop, a front-stage water cooler and a rear-stage water cooler, and the casing is provided with an air outlet and an air inlet; the front-stage water cooler is arranged in the machine shell, located on one side of the air inlet and communicated with an external water cooling pipeline. The rear-stage water cooler is arranged in the machine shell, located on one side of the air outlet and communicated with an external water cooling pipeline. The main loop is arranged in the machine shell and comprises a compressor, a first heat exchanger and a second heat exchanger which are sequentially communicated to form a loop, an electric control fan is arranged on the second heat exchanger, and an air outlet of the electric control fan faces the air outlet; the second heat exchanger, the first heat exchanger and the compressor are sequentially arranged between the front-stage water cooler and the rear-stage water cooler. Regional air of the target area is subjected to multiple times of heat exchange treatment, and efficient temperature regulation and dehumidification of temperature and humidity decoupling dual-control are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heating ventilation air conditioning, especially relates to a temperature and humidity double pipe control temperature regulating dehumidification unit and air conditioner. BACKGROUND

[0002] In various high-precision fields, the production, teaching and research links cannot be separated from the support of micro-environmental control, such as hospitals, biological pharmaceuticals, semiconductors, new energy and other fields. With the continuous expansion of the scale of the medical circulation industry, the development of the pharmaceutical cold chain has attracted more attention, and the cool storage as a special type of warehouse plays an important role in the storage of medicines. The design and equipment configuration of the cool storage are also relatively complex, and usually need to configure refrigeration equipment and heating system to regulate the temperature to ensure that the storage conditions of the medicines meet the standards.

[0003] In the prior art, the temperature and humidity in the high and large space cool storage are usually regulated by a water ring heat pump system, and the water ring heat pump system adopts a low-temperature direct expansion and electric reheating scheme to operate, so that the operation energy consumption of the system is high, and the operation efficiency of the temperature and humidity double pipe control is poor when the system energy consumption is high or low, which may affect the medicine storage environment of the high and large space cool storage. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a temperature and humidity double pipe control temperature regulating dehumidification unit and air conditioner to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0005] The utility model solves the technical problem by providing a temperature and humidity double pipe control temperature regulating dehumidification unit and air conditioner.

[0006] An embodiment of the utility model provides a temperature and humidity double pipe control temperature regulating dehumidification unit, which comprises:

[0007] A casing is provided with an air outlet and an air inlet;

[0008] A front-stage water cooler is arranged in the interior of the casing, is located on one side of the air inlet, and is in communication with an external water cooling pipeline;

[0009] A rear-stage water cooler is arranged in the interior of the casing, is located on one side of the air outlet, and is in communication with an external water cooling pipeline;

[0010] A main circuit is arranged in the interior of the casing, comprises a compressor, a first heat exchanger and a second heat exchanger connected in sequence to form a loop, the second heat exchanger is provided with an electric fan, and the air outlet of the electric fan faces the air outlet;

[0011] The second heat exchanger, the first heat exchanger and the compressor are sequentially arranged between the front-stage water cooler and the rear-stage water cooler in the direction from the front-stage water cooler to the rear-stage water cooler.

[0012] Further, the front-stage water cooler is provided with a front-stage water regulating valve, and a water supply inlet of the front-stage water cooler is communicated with an external water cooling pipeline through the front-stage water regulating valve.

[0013] Further, the rear-stage water cooler is provided with a rear-stage water regulating valve, and a water supply inlet of the rear-stage water cooler is communicated with an external water cooling pipeline through the rear-stage water regulating valve.

[0014] Further, the main circuit further comprises:

[0015] A refrigerant heat dissipation pipe is located between the first heat exchanger and the second heat exchanger, one end of the refrigerant heat dissipation pipe is communicated with the first heat exchanger;

[0016] A first filter is located between the first heat exchanger and the second heat exchanger, one end of the first filter is communicated with the other end of the refrigerant heat dissipation pipe;

[0017] An electronic expansion valve is communicated with the other end of the first filter at one end, and communicated with the second heat exchanger at the other end.

[0018] Further, the main circuit further comprises:

[0019] A gas-liquid separator is communicated with the second heat exchanger;

[0020] A second filter is respectively communicated with the gas-liquid separator and the compressor;

[0021] An oil separator is respectively communicated with the compressor and the first heat exchanger.

[0022] Further, the main circuit further comprises:

[0023] An oil filter is communicated with the oil separator;

[0024] A capillary tube is respectively communicated with the oil filter and the gas-liquid separator.

[0025] Further, a temperature and humidity double-pipe controlled temperature-regulating dehumidifying unit further comprises:

[0026] A temperature and humidity detection module is arranged at the air inlet, and is used for detecting a current temperature and a current humidity of a target area;

[0027] A first temperature detection module is located between the front-stage water cooler and the second heat exchanger, and is configured to detect the outlet air temperature of the front-stage water cooler.

[0028] A second temperature detection module is located between the second heat exchanger and the first heat exchanger, and is configured to detect the outlet air temperature of the second heat exchanger.

[0029] A third temperature detection module is arranged at the air outlet, and is configured to detect the outlet air temperature of the air outlet to the target area.

[0030] Further, the front-stage water cooler and the rear-stage water cooler are both surface coolers.

[0031] Further, the second heat exchanger is an evaporator.

[0032] The utility model discloses another aspect of embodiment provides a kind of air conditioner, including the temperature and humidity double pipe control's temperature and humidity control unit of one aspect of embodiment of the utility model.

[0033] The utility model has the advantages that: through front-stage water cooler, rear-stage water cooler and main circuit, realize the regional wind of target area to carry out multiple heat exchange processing, solve the low energy efficiency of traditional water ring heat pump system and the uneven cold and hot phenomenon of part unit refrigeration and part heating combination, realize the efficient temperature and humidity control of temperature and humidity decoupling double pipe control;Condensing heat of built-in direct evaporation unit is realized by setting up electric control fan on second heat exchanger in shell, cooperate front-stage water cooler and rear-stage water cooler, replace traditional electric reheating high energy consumption operation, double improve the energy efficiency of cold water side and main circuit, while rear-stage water cooler can offset small part sensible heat when dehumidifying, realize the free adjustment of condensing heat, more meet the uniformity and energy efficiency of high and large space temperature and humidity field. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is part structure schematic view of temperature and humidity double pipe control's temperature and humidity control unit provided by one embodiment of the utility model;

[0035] Figure 2 It is structure schematic view of main circuit of temperature and humidity double pipe control's temperature and humidity control unit provided by another embodiment of the utility model;

[0036] Figure 3 It is application schematic view of temperature and humidity double pipe control's temperature and humidity control unit provided by another embodiment of the utility model.

[0037] 100, shell, 110, air inlet, 120, air outlet, 200, main circuit, 210, compressor, 220, first heat exchanger, 230, second heat exchanger, 231, electrically controlled fan, 240, refrigerant heat dissipation pipe, 250, first filter, 260, electronic expansion valve, 270, gas-liquid separator, 280, second filter, 290, oil separator, 291, oil filter, 292, capillary, 300, pre-stage water cooler, 310, pre-stage water regulating valve, 400, post-stage water cooler, 410, post-stage water regulating valve, 500, temperature and humidity detection module, 600, first temperature detection module, 700, second temperature detection module, 800, third temperature detection module. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and cannot be understood as a limitation on the present application.

[0039] It should be noted that although the functional modules are divided in the system schematic diagram, in some cases, the steps shown or described can be different from the module division in the system or the order execution in the flowchart. The terms "first", "second" and the like in the specification and claims and the above drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.

[0040] In the description of the present application, it should be noted that, unless otherwise explicitly limited, the words such as setting, installation, connection and the like should be understood in a broad sense, and the person skilled in the art can determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0041] Referring to Figure 1 and Figure 2 In some embodiments of the present application, a temperature and humidity double-pipe controlled temperature-regulating and dehumidifying unit comprises: a shell 100, a main circuit 200, a pre-stage water cooler 300 and a post-stage water cooler 400.

[0042] The main circuit 200, the pre-stage water cooler 300 and the post-stage water cooler 400 are all arranged inside the shell 100. One end of the shell 100 is provided with an air inlet 110, and the other end of the shell 100 is provided with an air outlet 120. The pre-stage water cooler 300 is arranged on one side of the air inlet 110, i.e. arranged close to the air inlet 110. The post-stage water cooler 400 is arranged on one side of the air outlet 120, i.e. arranged close to the air outlet 120. The air inlet 110 can introduce the area wind of the target area.

[0043] The front-stage water cooler 300 is communicated with the external water cooling pipeline, and the front-stage water cooler 300 can perform primary heat exchange treatment on the regional wind by the cold water input from the external water cooling pipeline.

[0044] In an embodiment, the front-stage water cooler 300 is provided with a front-stage water regulating valve 310, and the front-stage water regulating valve 310 is respectively communicated with the water supply inlet of the front-stage water cooler 300 and the external water cooling pipeline. The front-stage water cooler 300 is communicated with the external water cooling pipeline through the front-stage water regulating valve 310. By adjusting the opening degree of the front-stage water regulating valve 310, the amount of cold water input from the external water cooling pipeline to the front-stage water cooler 300 is adjusted, so as to adjust the heat exchange amount of the front-stage water cooler 300, thereby realizing the regulation and control of the front-stage water cooler 300.

[0045] The rear-stage water cooler 400 is communicated with the external water cooling pipeline, and the rear-stage water cooler 400 can perform fourth heat exchange treatment on the regional wind by the cold water input from the external water cooling pipeline. The regional wind after the fourth heat exchange treatment is sent to the target area through the air outlet 120.

[0046] In an embodiment, the rear-stage water cooler 400 is provided with a rear-stage water regulating valve 410, and the rear-stage water regulating valve 410 is respectively communicated with the water supply inlet of the rear-stage water cooler 400 and the external water cooling pipeline. The rear-stage water cooler 400 is communicated with the external water cooling pipeline through the rear-stage water regulating valve 410. By adjusting the opening degree of the rear-stage water regulating valve 410, the amount of cold water input from the external water cooling pipeline to the rear-stage water cooler 400 is adjusted, so as to adjust the heat exchange amount of the rear-stage water cooler 400, thereby realizing the regulation and control of the rear-stage water cooler 400.

[0047] The front-stage water cooler 300 and the rear-stage water cooler 400 can be both surface coolers. The front-stage water cooler 300 and the rear-stage water cooler 400 can also be shell-and-tube heat exchangers, plate heat exchangers or cooling towers.

[0048] The main circuit 200 includes a compressor 210, a first heat exchanger 220 and a second heat exchanger 230 which are sequentially communicated to form a circuit.

[0049] The second heat exchanger 230 is provided with an electrically controlled fan 231. The second heat exchanger 230 is located between the front-stage water cooler 300 and the first heat exchanger 220. The first heat exchanger 220 is located between the compressor 210 and the second heat exchanger 230. The compressor 210 is located between the first heat exchanger 220 and the rear-stage water cooler 400. That is, in the direction from the front-stage water cooler 300 to the rear-stage water cooler 400, the second heat exchanger 230, the first heat exchanger 220 and the compressor 210 are sequentially arranged.

[0050] The second heat exchanger 230 can perform reheat exchange treatment on the regional wind. The first heat exchanger 220 can perform third heat exchange treatment on the regional wind, and the regional wind after the third heat exchange treatment flows through the rear-stage water cooler 400.

[0051] The first heat exchanger 220 can be an evaporator, and the second heat exchanger 230 can be a condenser.

[0052] In an embodiment, the regional air of the target area flows into the interior of the casing 100 through the air inlet 110, sequentially flows through the front-stage water cooler 300, the second heat exchanger 230, the first heat exchanger 220, and the rear-stage water cooler 400, and is subjected to multiple heat exchange processes to be dehumidified and tempered, and finally is sent to the target area from the air outlet 120.

[0053] The regional air of the target area is subjected to multiple heat exchange processes through the main circuit 200, the front-stage water cooler 300, and the rear-stage water cooler 400, the low energy efficiency of the traditional water ring heat pump system and the uneven cold and heat of the combination of part of the refrigeration and part of the heating are solved, the efficient dehumidification and tempering of the decoupling of the temperature and humidity and the double control are realized, the air conditioning process of dehumidification and temperature rise is realized by setting the electric fan 231 on the second heat exchanger 230 in the casing 100, cooperating with the front-stage water cooler 300 and the rear-stage water cooler 400, and the condensation heat of the built-in direct evaporation unit, replacing the traditional electric reheating high energy consumption operation, improving the energy efficiency of the cold water side and the main circuit, and the rear-stage water cooler 400 can offset a small part of the sensible heat when dehumidifying, realize the free adjustment of the condensation heat, and better meet the uniformity and energy efficiency of the temperature and humidity field in the high and large space.

[0054] The problem that the energy efficiency of the temperature and humidity double control is difficult to improve when the energy consumption is high or low is solved, and the warm and cold cluster environment control of the high and large space cool warehouse is adapted, the efficient dehumidification and tempering of the decoupling of the temperature and humidity and the double control are realized.

[0055] Referring to Figure 1 and Figure 2 In some embodiments of the aspect of the utility model, the main circuit 200 further includes: a refrigerant heat dissipation pipe 240, a first filter 250, an electronic expansion valve 260, a gas-liquid separator 270, a second filter 280, an oil separator 290, an oil filter 291, and a capillary tube 292.

[0056] The refrigerant heat dissipation pipe 240, the first filter 250, and the electronic expansion valve 260 are located between the first heat exchanger 220 and the second heat exchanger 230 and sequentially connect the first heat exchanger 220 in a communication circuit.

[0057] One end of the refrigerant heat dissipation pipe 240 is in communication with the first heat exchanger 220, the other end of the refrigerant heat dissipation pipe 240 is in communication with one end of the first filter 250, the other end of the first filter 250 is in communication with one end of the electronic expansion valve 260, and the other end of the electronic expansion valve 260 is in communication with the second heat exchanger 230.

[0058] One end of the gas-liquid separator 270 is communicated with the second heat exchanger 230, the other end of the gas-liquid separator 270 is communicated with one end of the second filter 280, the other end of the second filter 280 is communicated with the return gas end of the compressor 210, the exhaust end of the compressor 210 is communicated with one end of the oil separator 290, the other end of the oil separator 290 is communicated with the first heat exchanger 220.

[0059] One end of the oil filter 291 is communicated with the oil separator 290, the other end of the oil filter 291 is communicated with one end of the capillary tube 292, the other end of the capillary tube 292 is communicated with one end of the gas-liquid separator 270.

[0060] Referring to Figure 1 And Figure 3 In some embodiments of the aspect of the utility model, the temperature and humidity detection module 500, the first temperature detection module 600, the second temperature detection module 700 and the third temperature detection module 800 are further included in the temperature and humidity control unit.

[0061] The temperature and humidity detection module 500 is arranged at the air inlet 110, since the air inlet 110 is towards the target area and can introduce the area air of the target area, the temperature and humidity detection module 500 can detect the temperature of the area air of the current target area, obtain the current temperature of the target area, and can also detect the humidity of the area air of the current target area, obtain the current humidity of the target area.

[0062] In an embodiment, the dew point temperature of the area air of the current target area can be calculated by the current humidity and the current temperature, and the current dew point temperature of the target area is obtained.

[0063] The first temperature detection module 600 is arranged between the pre-stage water cooler 300 and the second heat exchanger 230, and the first temperature detection module 600 can detect the air temperature of the area air after the initial heat exchange treatment, that is, detect the outlet air temperature of the pre-stage water cooler 300.

[0064] The second temperature detection module 700 is arranged between the second heat exchanger 230 and the first heat exchanger 220, and the second temperature detection module 700 can detect the air temperature of the area air after the reheat exchange treatment, that is, detect the outlet air temperature of the second heat exchanger 230.

[0065] The third temperature detection module 800 is arranged at the air outlet 120, and the third temperature detection module 800 can detect the outlet air temperature of the area air after the fourth heat exchange treatment, that is, the outlet air temperature of the area air sent to the target area.

[0066] Among them, according to the space size of the target area (the cool warehouse of high and large space), a plurality of temperature and humidity control units are arranged at the target area to realize cluster control.

[0067] The temperature and humidity double-pipe control unit of the application is used to solve the problem that the energy consumption is high or it is difficult to improve the energy efficiency of temperature and humidity double-pipe control when the energy consumption is low, and to adapt to the warm and ventilated cluster environment control of a high and large space cool warehouse, realize efficient temperature and humidity decoupling double-pipe control dehumidification. In addition, when the outdoor temperature is less than the current temperature of the target area, and the outdoor dew point is greater than the indoor dew point, that is, when it is the South Return to the South, the condensation heat of the built-in direct evaporative unit can realize the air conditioning process of dehumidification and temperature rise, replacing the traditional electric reheating high energy consumption operation.

[0068] The working principle and application method of such a unit, such as adding a liquid accumulator, a liquid cooling drive board, a jet augmenting economizer and other system auxiliary methods to the refrigeration system, and adding other functional sections to the indoor unit side and adjusting the order of the functional sections are all within the protection scope of the utility model;

[0069] The compressor variable frequency or fixed frequency with oil or oil-free series, including piston, rotor, scroll, screw, centrifugal, magnetic suspension, gas suspension and other compressors are all within the protection scope of the utility model;

[0070] The multi-split system is introduced by using this principle, and the parallel coupling mode of two or more evaporators is all within the protection scope of the utility model;

[0071] By using this principle, the condensation heat dissipation modes include air-cooled, water-cooled, direct (indirect) evaporative condensation, condensation heat storage or various combination forms, etc. all within the protection scope of the utility model;

[0072] By using this principle, the pre-cooling and post-cooling are changed into direct expansion systems, all within the protection scope of the utility model;

[0073] By using this principle, the cascade dehumidification adopts two or more stages, all within the protection scope of the utility model;

[0074] By using this principle, the indoor unit is full fresh air, partial fresh air or full return air, all within the protection scope of the utility model;

[0075] By using this principle, the indoor unit reduces the functional sections or adjusts the order between the functional sections, all within the protection scope of the utility model;

[0076] By using this principle, part of the units in the cluster system adopts a double cold source with a compressor, and part of the units adopts a pure cooling terminal form combination, all within the protection scope of the utility model.

[0077] In another aspect of the embodiment of the utility model, an air conditioner comprises a temperature and humidity double-pipe control unit according to any one of the embodiments of the utility model.

[0078] Within the scope and spirit of the present application, those skilled in the art can have various modification schemes to realize the present application, such as that the features of one embodiment can be used in another embodiment to obtain another embodiment. The preferred embodiments of the present application are described above with reference to the accompanying drawings, and are not limited to the scope of the present application. Any modification, equivalent replacement and improvement made by those skilled in the art within the scope and spirit of the present application should be within the scope of the present application.

Claims

1. A temperature and humidity double-pipe controlled temperature-regulating dehumidifying unit, characterized in that, Comprise: The shell is provided with air outlet and air inlet; Front water cooler, the front water cooler is arranged in the inside of the shell, the front water cooler is located at one side of the air inlet, the front water cooler is communicated with external water cooling pipeline; The rear water cooler is arranged in the inside of the shell, the rear water cooler is located at one side of the air outlet, the rear water cooler is communicated with external water cooling pipeline; Main circuit, the main circuit is arranged in the inside of the shell, the main circuit includes compressor, first heat exchanger and second heat exchanger communicated in sequence, the second heat exchanger is provided with electric control fan, the air outlet of the electric control fan is towards the air outlet; From the front water cooler to the rear water cooler direction, the second heat exchanger, the first heat exchanger and the compressor are sequentially arranged between the front water cooler and the rear water cooler.

2. The temperature and humidity double-pipe controlled temperature dehumidification unit according to claim 1, characterized in that, The front water cooler is provided with front water regulating valve, the water inlet of the front water cooler is communicated with external water cooling pipeline through the front water regulating valve. 3.The temperature and humidity double-pipe controlled temperature and dehumidification unit according to claim 1, characterized in that, The rear water cooler is provided with rear water regulating valve, the water inlet of the rear water cooler is communicated with external water cooling pipeline through the rear water regulating valve.

4. The temperature and humidity double-pipe controlled temperature dehumidification unit according to claim 1, characterized in that, The main circuit further comprises: Refrigerant heat dissipation pipe, the refrigerant heat dissipation pipe is located between the first heat exchanger and the second heat exchanger, one end of the refrigerant heat dissipation pipe is communicated with the first heat exchanger; First filter, the first filter is located between the first heat exchanger and the second heat exchanger, one end of the first filter is communicated with the other end of the refrigerant heat dissipation pipe; Electronic expansion valve, one end of the electronic expansion valve is communicated with the other end of the first filter, the other end of the electronic expansion valve is communicated with the second heat exchanger.

5. The temperature and humidity double-pipe controlled temperature dehumidification unit according to claim 1, characterized in that, The main circuit further comprises: Gas-liquid separator, the gas-liquid separator is communicated with the second heat exchanger; Second filter, the second filter is respectively communicated with the gas-liquid separator and the compressor; Oil separator, the oil separator is respectively communicated with the compressor and the first heat exchanger.

6. The temperature and humidity double-pipe controlled temperature dehumidification unit according to claim 5, characterized in that, The main circuit further comprises: Oil filter, the oil filter is communicated with the oil separator; Capillary, the capillary is respectively communicated with the oil filter and the gas-liquid separator.

7. The temperature and humidity double-pipe controlled temperature dehumidification unit according to claim 1, characterized in that, Further comprise: Temperature and humidity detection module, the temperature and humidity detection module is arranged at the air inlet, the temperature and humidity detection module is used for detecting the current temperature and current humidity of target area; First temperature detection module, the first temperature detection module is located between the front water cooler and the second heat exchanger, the first temperature detection module is used for detecting the air outlet temperature of the front water cooler; Second temperature detection module, the second temperature detection module is located between the second heat exchanger and the first heat exchanger, the second temperature detection module is used for detecting the air outlet temperature of the second heat exchanger; Third temperature detection module, the third temperature detection module is arranged at the air outlet, the third temperature detection module is used for detecting the air outlet temperature of the air outlet to target area.

8. The temperature and humidity double-pipe controlled temperature dehumidification unit according to claim 1, characterized in that, The front water cooler and the rear water cooler are both surface coolers. 9.The temperature and humidity double-pipe controlled temperature and dehumidification unit according to claim 1, characterized in that, The second heat exchanger is an evaporator.

10. An air conditioner characterized by comprising: Comprise: The temperature and humidity double-pipe controlled temperature and dehumidification unit according to any one of claims 1 to 9.

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