CN114423224A - Special double-source integrated water source heat pump fresh air handling unit for data machine room - Google Patents

Abstract

The invention discloses a special double-source integrated water source heat pump fresh air handling unit for a data machine room, which belongs to the technical field of the data machine room and comprises a box body, wherein the inner cavity of the box body is sequentially divided into a purification cavity, a temperature control cavity and an electric cavity through a partition plate, the purification cavity is communicated with the bottom of the temperature control cavity, the box body at the top of the purification cavity is provided with an air inlet, the box body at the top of the temperature control cavity is provided with an air supply outlet, a purification mechanism is arranged in the purification cavity, a temperature and humidity control mechanism is arranged in the temperature control cavity, and an air feeder is arranged in the purification cavity close to the air supply outlet. Thereby the forced draught blower work is through the air intake with the outside air suction purification chamber, filters the purification to the air through purification mechanism, then carries out cooling and temperature control through accuse temperature humidifying mechanism, finally sends into the computer lab from the supply-air outlet, realizes new trend, accuse temperature and wet integrated design of accuse, reduces the device volume, indoor and outdoor structure as an organic whole, need not refrigerant union coupling, only need connect tuber pipe and power cord just can high-efficient operation, energy-conservation high-efficient.

Description

Data room dedicated dual-source integrated water source heat pump fresh air unit

technical field

The invention relates to the technical field of cooling a data computer room, in particular to a dual-source integrated water-source heat pump fresh air unit dedicated to a data computer room.

Background technique

With the rapid development of society, the prevailing big data has penetrated into applications in all walks of life. "In the era of big data, relevant algorithms are used to process, analyze, and store massive data, discover value from massive data, and serve life and production. In the fields of catering, telecommunications, finance, entertainment, sports, etc., the impact of big data can be felt. The impact brought by all walks of life. Therefore, data rooms are being built or renovated in various places to meet the needs of reliable operation of servers. Servers will generate a lot of load heat in a large number of computing processing, which needs to be cooled, otherwise the servers will be paralyzed. Traditional data The cooling of the computer room adopts a decentralized air conditioning system, and the air treatment part is mainly a vertical cabinet type air conditioner, and the chilled water connection or refrigerant pipe connection is used to connect the host and the air handling unit. However, the air handling unit is placed inside the computer room, which leads to a decrease in the utilization rate of the computer room space. , the number of servers placed is reduced, and a large number of water pipes or copper pipe connections lead to an increase in the amount of engineering construction; the leakage of chilled water or freon pipes leads to a greater safety hazard in operation; the daily maintenance work is also quite huge. The latest data room construction requirements Configure an appropriate amount of fresh air to meet the needs of personnel work, so an additional fresh air system (fresh air host + air duct + fresh air control unit) is required, resulting in a relatively scattered arrangement of air-conditioning equipment. For this reason, we propose a dual-source integrated water source heat pump fresh air for data room. The unit is used to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a dedicated dual-source integrated water-source heat pump fresh air unit for data room, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a dual-source integrated water-source heat pump fresh air unit dedicated to a data computer room, including a box body, the inner cavity of which is sequentially divided into a purification cavity, a temperature control cavity and an electrical cavity by a partition plate , the purification chamber is communicated with the bottom of the temperature control chamber, an air inlet is opened on the box body at the top of the purification chamber, an air supply port is opened on the box body at the top of the temperature control chamber, and a purification chamber is installed in the purification chamber A temperature control and humidity control mechanism is installed in the temperature control cavity, and a blower is installed in the inner cavity of the purification cavity close to the air supply port.

In a preferred implementation case, the purification mechanism includes a primary pre-filter, the primary pre-filter is fixedly installed at one end of the air inlet away from the purification cavity, and a medium-efficiency filter is fixedly installed in the middle of the inner cavity of the purification cavity, so A secondary filter is fixedly installed in the purification chamber between the medium-efficiency filter and the air inlet.

In a preferred implementation case, an electric regulating valve is fixedly installed in the air inlet, the primary pre-filter and the secondary filter are metal filter screen structures with gradually decreasing apertures, and the medium-efficiency filter is an F8 grade bag filter.

In a preferred implementation case, a water source heat pump module is fixedly installed at the bottom of the inner cavity of the electrical cavity, the water source heat pump module is connected with a compressor, a control box is fixedly installed in the middle of the inner cavity of the electric cavity, and both the compressor and the blower are installed. An inverter is connected.

In a preferred implementation case, there are ventilation openings on the partition between the purification chamber and the bottom of the temperature control chamber, and inspection doors are installed on the boxes on one side of the purification chamber, the temperature control chamber and the electrical chamber. The box body is made of polyurethane foam in the middle of the bimetallic plate.

In a preferred implementation case, the temperature and humidity control mechanism includes a pre-cooling coil and a direct-expansion coil. A direct expansion coil is fixedly installed in the temperature control cavity at the top of the pipe, and a condensing reheat coil and an auxiliary heater are sequentially fixed in the temperature control cavity between the direct expansion coil and the blower.

In a preferred implementation case, the pre-cooled water coil and the direct expansion coil are installed obliquely, and the pre-cooled water coil and the direct expansion coil are attached to the inner wall of the bottom of the temperature control chamber near the purification chamber. A condensate pan is fixedly installed on the bottom plate of the temperature control chamber at the bottom of the coil.

In a preferred implementation case, the side wall of the temperature control chamber is fixedly sleeved with a cooling water supply and return pipe, a condensate water pipe and a chilled water supply and return pipe, the cooling water supply and return pipe is connected to a pre-cooling coil, and the freezing The water supply and return pipes are connected to the direct expansion coil, and the condensate pipe runs through the condensate pan.

In a preferred implementation case, the condensing and reheating coil is connected to the water source heat pump module and the compressor, and the auxiliary heater is an electric auxiliary heat heater.

In a preferred implementation case, the condensing and reheating coils and the pre-cooling water coils are both of the upper-in-lower-out type structure, including brackets, the brackets are fixedly connected to the inner wall of the temperature control cavity by bolts, and the brackets are fixed between the brackets. Install the water inlet centralized pipe and the water outlet centralized pipe, and install a plurality of heat exchange pipes between the water inlet centralized pipe and the water outlet centralized pipe. A water inlet port is fixedly installed at one end of the pipe, and a water outlet port is fixedly installed at one end of the water outlet concentrated pipe away from the water inlet port.

The beneficial effects of the present invention are:

1. The blower works to suck the outside air into the purification chamber through the air inlet, and the inhaled air is filtered and purified many times through the primary pre-filter, secondary filter and medium-efficiency filter to reach the fresh air standard, and then flows through the pre-cooling pan The tube cools down, and then flows through the direct expansion coil for secondary cooling, so that the water vapor in the air reaches the dew point and condenses and falls into the condensate pan to achieve dehumidification. The heating is fine-tuned by the auxiliary heater, so as to accurately control the temperature of the supply air, and then the air is drawn out by the supply fan and enters each room that needs to be cooled. The power cord can run efficiently, energy saving and high efficiency;

2. The cooling is cooled by high-temperature water at one time to meet the temperature requirements in the data room. It is cooled to the dew point temperature by direct evaporation, and the dehumidification effect is achieved by condensing and reheating to start the temperature rise. The temperature and humidity requirements in the data room are convenient to use;

3. The variable frequency control air supply fan controls the air supply volume, controls the data room to maintain a positive pressure between 5-10Pa, and can accurately control the air supply temperature within ±1°C by adjusting the compressor frequency to achieve the temperature and humidity of the data room. energy saving control;

4. The box body is made of polyurethane foam in the middle of the bimetal plate, and the sheet metal structure is made of polyurethane foam in the middle of the bimetal plate, which makes the heat insulation effect of the unit better, and the noise of the unit is higher than that of the traditional steel plate. Compared with the PE insulation cotton, the reduction is 3-4dB(A), and the hardness is also greatly strengthened. The corresponding board can be thinned, which not only improves the strength, but also reduces the consumables.

Description of drawings

FIG. 1 is a schematic structural diagram of a dual-source integrated water-source heat pump fresh air unit dedicated to a data computer room according to an embodiment of the present invention.

FIG. 2 is a schematic top view of the structure of the present invention.

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 of the present invention.

In the figure: 1. Primary pre-filter; 2. Electric regulating valve; 3. Secondary filter; 4. Medium-efficiency filter; 5. Pre-cooling water coil; 6. Direct expansion coil; 7. Condensate pan; 8. Condensing and reheating coil; 9. Auxiliary heater; 10. Blower; 11. Air supply port; 12. Control box; 13. Box; 14. Water source heat pump module; 15. Compressor; 16. Cooling water supply and return Water pipe; 17, condensate water pipe; 18, chilled water supply and return pipe; 19, purification chamber; 20, temperature control chamber; 21, electrical chamber; 22, air inlet; 23, inspection door; 24, bracket; 25, water inlet central pipe ; 26, water outlet centralized pipe; 27, heat exchange pipe; 28, water inlet; 29, water outlet.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example: As shown in Figures 1 to 3, the present invention provides a dual-source integrated water-source heat pump fresh air unit dedicated to a data room, including a box 13, and the inner cavity of the box 13 is divided into a purification cavity 19, a temperature The control cavity 20 is connected with the electrical cavity 21, the purification cavity 19 is connected with the bottom of the temperature control cavity 20, the air inlet 22 is opened on the box body 13 at the top of the purification cavity 19, and the air supply port is opened on the box body 13 at the top of the temperature control cavity 20. 11. A purification mechanism is installed in the purification chamber 19, a temperature control and humidity control mechanism is installed in the temperature control chamber 20, and a blower 10 is installed in the inner cavity of the purification chamber 19 close to the air supply port 11. The blower 10 works so as to suck the outside air into the purification chamber 19 through the air inlet 22, filter and purify the air through the purification mechanism, and then conduct cooling and temperature control through the temperature and humidity control mechanism, and finally send it into the machine room from the air supply port 11 to achieve fresh air, The integrated design of temperature control and humidity control reduces the volume of the device. The indoor and outdoor are integrated structure, no refrigerant pipe connection is required, and only the air pipe and power cord can be connected to operate efficiently, saving energy and high efficiency.

The purification mechanism includes a primary pre-filter 1. The primary pre-filter 1 is fixedly installed at the end of the air inlet 22 away from the purification chamber 19. The middle of the inner cavity of the purification chamber 19 is fixedly installed with a medium-efficiency filter 4. The medium-efficiency filter 4 is connected to the air inlet. The secondary filter 3 is fixedly installed in the purification chamber 19 between the two parts, and the inhaled air is filtered and purified for many times through the primary pre-filter 1, the secondary filter 3 and the medium-efficiency filter 4 to reach the fresh air standard.

The electric regulating valve 2 is fixedly installed in the air inlet 22, which is convenient to control the ventilation flow. The primary pre-filter 1 and the secondary filter 3 are metal filter mesh structures with gradually decreasing apertures, and the medium-efficiency filter 4 is an F8-grade bag filter. .

The water source heat pump module 14 is fixedly installed at the bottom of the inner cavity of the electrical cavity 21, the water source heat pump module 14 is connected with the compressor 15, the control box 12 is fixedly installed in the middle of the inner cavity of the electric cavity 21, the compressor 15 and the blower 10 are connected with a frequency converter, and the frequency conversion control The air blower 10 controls the air supply volume, and can precisely control the air supply temperature within ±1°C by adjusting the frequency of the compressor 15 , ensuring temperature control and more energy saving.

There are ventilation openings on the partition between the purification chamber 19 and the bottom of the temperature control chamber 20. The purification chamber 19, the temperature control chamber 20 and the box body 13 on one side of the electrical chamber 21 are all provided with an inspection door 23. The box body 13 is double-sided. The middle of the metal plate is made of polyurethane foam, and the sheet metal structure is made of polyurethane foam in the middle of the bimetal plate, which makes the heat insulation effect of the unit better, and the noise of the unit is lower than that of the traditional steel plate and PE insulation cotton. At the same time, the hardness is also greatly strengthened, and the corresponding plate can be thinned, which not only improves the strength, but also reduces the consumables.

The temperature and humidity control mechanism includes a pre-cooling coil 5 and a direct-expansion coil 6. The pre-cooling coil 5 is fixedly installed at the bottom of the side of the temperature control chamber 20 close to the purification chamber 19, and the temperature control chamber 20 on the top of the pre-cooling coil 5. The direct expansion coil 6 is fixedly installed inside, and the condensing reheat coil 8 and the auxiliary heater 9, the pre-cooling water coil 5 and the direct expansion coil are fixedly installed in the temperature control cavity 20 between the direct expansion coil 6 and the blower 10 in turn. 6 are installed obliquely, and the pre-cooling coil 5 and the direct expansion coil 6 are attached to the inner wall of the bottom of the temperature control chamber 20 close to the purification chamber 19, and the condensed water is fixed on the bottom plate of the temperature control chamber 20 at the bottom of the pre-cooling coil 5. Plate 7, the side wall of the temperature control chamber 20 is fixedly sleeved with a cooling water supply and return pipe 16, a condensate water pipe 17 and a chilled water supply and return pipe 18, the cooling water supply and return pipe 16 is connected to the pre-cooling coil 5, and the chilled water supply and return pipe 18 is connected to the direct expansion coil 6, the condensed water pipe 17 runs through the condensed water coil 7, the air first flows through the pre-cooling coil 5 to cool down, and then flows through the direct expansion coil 6 for secondary cooling, so that the water vapor in the air reaches the dew point and condenses and falls. In the condensate pan 7, dehumidification is realized, and then the condensed and cooled air flows through the condensing and reheating coil 8 to heat up, and finally the auxiliary heater 9 is used for heating and fine-tuning, so as to accurately control the supply air temperature, and then the air is drawn out by the blower 10. Enter each machine room that needs to be cooled from the air outlet 11 .

The condensing and reheating coil 8 is connected to the water source heat pump module 14 and the compressor 15, and the auxiliary heater 9 is an electric auxiliary heating heater.

The condensing and reheating coil 8 and the pre-cooling water coil 5 are of different measurement top-in and bottom-out structures, including brackets 24. The brackets 24 are fixedly connected to the inner wall of the temperature control chamber 20 by bolts, and the water inlet concentrator 25 and the water outlet are fixedly installed between the brackets 24. A plurality of heat exchange tubes 27 are fixedly installed between the central pipe 26, the water inlet central pipe 25 and the water outlet central pipe 26. One end of the heat exchange pipe 27 close to the water inlet central pipe 25 is fixedly installed with a balance angle valve, and one end of the water inlet central pipe 25 is fixedly installed The water inlet port 28, the water outlet port 29 is fixedly installed at one end of the water outlet centralized pipe 26 away from the water inlet port 28, then the cooling water and the hot water provided by the heat source pump enter the pre-cooling water coil 5 and the condensing reheating coil through the water inlet port 28 respectively. 8, evenly distributed into a plurality of heat exchange tubes 27 through the water inlet concentration pipe 25, and contact with the air through the heat exchange tubes 27, so as to achieve the purpose of heat exchange and temperature regulation, and finally concentrated through the water outlet concentration pipe 26 and discharged through the water outlet port 29. .

When in use, the blower 10 works to suck the outside air into the purification chamber 19 through the air inlet 22, and the inhaled air is filtered and purified many times through the primary pre-filter 1, the secondary filter 3 and the medium-efficiency filter 4 to reach the fresh air standard. Then, the cooling water supply and return pipe 16 is connected to the pre-cooling coil 5, the chilled water supply and return pipe 18 is connected to the direct expansion coil 6, the condensing and reheating coil 8 is connected to the water source heat pump module 14, and the air first flows through the pre-cooling coil 5 to cool down , and then flows through the direct expansion coil 6 for secondary cooling, so that the water vapor in the air reaches the dew point and condenses and falls into the condensing water pan 7 to achieve dehumidification, and then the condensed and cooled air flows through the condensation reheating coil 8 to heat up, Finally, the auxiliary heater 9 is used to fine-tune the heating, so as to accurately control the supply air temperature, and then the air is drawn out by the air supply fan 10 from the air supply port 11 into each machine room that needs to be cooled. Connect the air duct and power line to run efficiently, save energy and high efficiency. The cooling is cooled by high-temperature water at one time to meet the temperature requirements in the data room. It is cooled to the dew point temperature by direct evaporation, and the dehumidification effect is achieved by condensing and reheating to start the temperature rise. The heater is adjusted in 9 ratios, which plays a role of fine-tuning, meets the temperature and humidity requirements in the data room, and is easy to use.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A dedicated dual-source integrated water-source heat pump fresh air unit for a data computer room, comprising a box (13), characterized in that: the inner cavity of the box (13) is sequentially divided into a purification cavity (19) and a temperature control cavity by a partition plate (20) communicates with the electrical cavity (21), the purification cavity (19) communicates with the bottom of the temperature control cavity (20), and the box (13) at the top of the purification cavity (19) is provided with an air inlet (22). ), the box body (13) at the top of the temperature control cavity (20) is provided with an air supply port (11), a purification mechanism is installed in the purification cavity (19), and a temperature control cavity is installed in the temperature control cavity (20). In the humidity control mechanism, a blower (10) is installed in the inner cavity of the purification chamber (19) close to the air supply port (11). 2. The dedicated dual-source integrated water-source heat pump fresh air unit for data room according to claim 1, wherein the purification mechanism comprises a primary pre-filter (1), and the primary pre-filter (1) is fixedly installed on the The air inlet (22) is away from one end of the purification chamber (19), and a medium-efficiency filter (4) is fixedly installed in the middle of the inner cavity of the purification chamber (19). The secondary filter (3) is fixedly installed in the cavity (19). 3. The dedicated dual-source integrated water-source heat pump fresh air unit for data room as claimed in claim 2, characterized in that: an electric regulating valve (2) is fixedly installed in the air inlet (22), and the primary pre-filter (1 ) and the secondary filter (3) are metal filter mesh structures with gradually decreasing pore size, and the medium-efficiency filter (4) is an F8 grade bag filter. 4. The dedicated dual-source integrated water-source heat pump fresh air unit for data room as claimed in claim 1, characterized in that: a water-source heat pump module (14) is fixedly installed at the bottom of the inner cavity of the electrical cavity (21), and the water-source heat pump module ( 14) A compressor (15) is connected, a control box (12) is fixedly installed in the middle of the inner cavity of the electrical cavity (21), and a frequency converter is connected to both the compressor (15) and the blower (10). 5. The dedicated dual-source integrated water-source heat pump fresh air unit for a data computer room according to claim 1, wherein a vent is provided on the partition between the bottom of the purification chamber (19) and the temperature control chamber (20), An access door (23) is installed on the box body (13) on one side of the purification chamber (19), the temperature control chamber (20) and the electrical chamber (21), and the box body (13) is in the middle of the bimetallic plate Polyurethane foam. 6. The dedicated dual-source integrated water-source heat pump fresh air unit for a data computer room according to claim 1, wherein the temperature and humidity control mechanism comprises a pre-cooling coil (5) and a direct-expansion coil (6), A pre-cold water coil (5) is fixedly installed at the bottom of the side of the temperature control chamber (20) close to the purification chamber (19), and a direct expansion pipe is fixedly installed in the temperature control chamber (20) at the top of the pre-cold water coil (5). A coil (6), a condensing reheating coil (8) and an auxiliary heater (9) are fixedly installed in the temperature control cavity (20) between the direct expansion coil (6) and the blower (10). 7. The dedicated dual-source integrated water-source heat pump fresh air unit for a data computer room as claimed in claim 6, wherein the pre-cooling coil (5) and the direct expansion coil (6) are both installed obliquely, and the pre-cooling coil (6) is installed obliquely. The tube (5) and the direct expansion coil (6) are attached to the inner wall of the bottom of the temperature control chamber (20) close to the purification chamber (19), and the bottom plate of the temperature control chamber (20) at the bottom of the pre-cooling water coil (5) Securely install the condensate pan (7) on the top. 8. The dedicated dual-source integrated water-source heat pump fresh air unit for a data computer room according to claim 6, characterized in that: the side wall of the temperature control chamber (20) is fixedly sleeved with a cooling water supply and return pipe (16), a condensation A water pipe (17) and a chilled water supply and return pipe (18), the cooling water supply and return pipe (16) is connected to the pre-cooled water coil (5), and the chilled water supply and return pipe (18) is connected to the direct expansion coil (6) ), the condensate pipe (17) runs through the condensate pan (7). 9. The dedicated dual-source integrated water-source heat pump fresh air unit for a data computer room according to claim 6, wherein the condensation reheating coil (8) is connected to the water-source heat pump module (14) and the compressor (15), so that the The auxiliary heater (9) is an electric auxiliary heating heater. 10. The dedicated dual-source integrated water-source heat pump fresh air unit for data computer room as claimed in claim 6, characterized in that: the condensation reheating coil (8) and the pre-cooling coil (5) are both top-in and bottom-out with different measurements. type structure, including brackets (24), the brackets (24) are fixedly connected to the inner wall of the temperature control chamber (20) by bolts, and the inlet water concentration pipes (25) and the water outlet concentration pipes (26) are fixedly installed between the brackets (24). , a plurality of heat exchange tubes (27) are fixedly installed between the water inlet central pipe (25) and the water outlet central pipe (26), and one end of the heat exchange pipe (27) close to the water inlet central pipe (25) is fixedly installed with a balance Angle valve, one end of the water inlet manifold (25) is fixedly installed with a water inlet port (28), and one end of the water outlet manifold (26) away from the water inlet port (28) is fixedly installed with a water outlet port (29).

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