CN112361489A

CN112361489A - Container refrigeration system

Info

Publication number: CN112361489A
Application number: CN202011429528.2A
Authority: CN
Inventors: 李宏波; 王升; 孙栋军; 雷伟锋; 吕久洲
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-02-12

Abstract

The invention discloses a container refrigeration system, which comprises a box body, wherein the box body is divided into two closed cavities by a partition plate, and a pipeline system and an electric control system are respectively arranged in the two cavities; the container refrigeration system comprises a cooling tower and a heat exchanger, wherein a first pipeline is arranged between the heat exchanger and the cooling tower, a second pipeline is arranged between the cooling tower and the heat exchanger, a water pump is arranged on the second pipeline, the first pipeline is arranged above the box body, and the second pipeline is arranged below the box body; the top of the first cavity provided with the pipeline system is provided with an exhaust fan, and the bottom of the first cavity is provided with a grid; the pipeline system also comprises a dosing device, a liquid storage tank and a liquid supplementing device; the pipeline system comprises at least two liquid supply pipes, at least two liquid inlet pipes and at least two water pumps. Compared with the prior art, the container refrigeration system can ensure the stable and efficient operation of the container refrigeration system, thereby ensuring that a data center machine room can operate uninterruptedly.

Description

Container refrigeration system

Technical Field

The invention relates to the field of refrigeration, in particular to a container refrigeration system.

Background

Instrument equipment in the data center computer lab generally needs uninterrupted operation, in the equipment operation with heat direct discharge with indoor, consequently the temperature in the computer lab also can rise along with it, and then can lead to equipment operation to break down, consequently data center need incessantly carry out the cooling, and then guarantee computer lab equipment is in suitable temperature operation, because the operation of data computer lab is comparatively special, its refrigeration plant that needs a high reliability and refrigeration performance comes stable and refrigerates, guarantee that the data center computer lab can uninterrupted operation.

Disclosure of Invention

The container refrigeration system provided by the invention has high reliability and stability, and can ensure that a data center machine room can operate uninterruptedly.

The technical scheme adopted by the invention is as follows: the container refrigeration system comprises a box body, a pipeline system and an electric control system, wherein the box body is divided into two closed cavities by a partition plate, and the pipeline system and the electric control system are respectively arranged in the two cavities.

Further, the container refrigeration system comprises a cooling tower arranged outside the container and a heat exchanger used for refrigeration, and the pipeline system comprises a first pipeline communicated from the heat exchanger to the cooling tower, a second pipeline communicated from the cooling tower to the heat exchanger and a water pump arranged on the second pipeline.

Furthermore, the first pipeline is arranged above the box body, and the second pipeline is arranged below the box body.

Furthermore, the two closed cavities comprise a first cavity, the pipeline system is arranged in the first cavity, an exhaust port is arranged at the top of the first cavity, and an air inlet is arranged at the bottom of the first cavity.

Further, the exhaust port is provided with an exhaust fan, and the air inlet is provided with a grid.

Further, the pipeline system comprises a dosing device for adding a medicament into the circulating medium.

Further, the container refrigeration system comprises a cooling tower, the cooling tower comprises a first water outlet, the pipeline system comprises a water pump and at least two on-off liquid supply pipes which are communicated between the first water outlet and the water pump in parallel.

Further, the container refrigeration system also comprises a heat exchanger, the heat exchanger comprises a second water inlet, and the pipeline system comprises at least two liquid inlet pipes which are communicated in parallel between the second water inlet and the water pump and can be switched on and off.

Further, the pipeline system comprises at least two water pumps, and the water pumps are connected in parallel.

Further, the pipeline system also comprises a liquid storage tank and a liquid supplementing device communicated with the liquid storage tank to supplement the refrigerant for the pipeline system.

Compared with the prior art, the container refrigeration system has the advantages that the box body is divided into two closed cavities by the partition plate, the pipeline system and the electric control system are respectively arranged in the two cavities for dry-wet separation, so that wet and cold gas in the pipeline system is prevented from entering the electric control system, electric elements are prevented from being damped, the stable and efficient operation of the container refrigeration system is ensured, the temperature of a data center machine room is further ensured to be kept in a proper range, and the data center machine room can be ensured to operate uninterruptedly; meanwhile, the pipeline equipment and the electrical equipment are convenient to operate and maintain due to the arrangement.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic block diagram of the construction of a container refrigeration system of the present invention;

FIG. 2 is a schematic diagram of the piping system of the present invention;

FIG. 3 is a schematic view of the structure of a second piping system according to the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The application provides a container refrigeration system, as shown in fig. 1, the container refrigeration system comprises a box body 1, and a pipeline system 2 and an electric control system 3 which are arranged in the box body.

In this application at box 1 inside baffle 11 has been set up, baffle 11 has divided into two relative inclosed cavitys with the inside of box 1, pipe-line system 2 installs in one of them inclosed cavity, electrical system 3 installs in another inclosed cavity, it separately to set up like this electrical system and pipe-line system, the wet cold air of the lower pipeline annex of temperature to electrical element's influence has been avoided, prevent that electrical element from weing or intaking, the while also is convenient for carry out fortune dimension management respectively to pipe-line system 2 and electrical system 3, container refrigerating system's stability has fully been ensured.

Further, as shown in fig. 2, the container refrigeration system includes a cooling tower (not shown) and a heat exchanger 4, water in the system is cooled by heat dissipation through the cooling tower, the water is heat exchanged with the refrigerant in the coil through the heat exchanger 4 (plate heat exchanger) to lower the temperature of the refrigerant, the refrigerant in the coil takes away the cooling energy and blows cold air into the room through the coil by a fan to lower the temperature.

The pipe system 2 in the present application comprises a first pipe 21 and a second pipe 22; the cooling tower comprises a first water inlet 5 and a first water outlet 6, the heat exchanger 4 comprises a second water inlet 41 and a second water outlet 42, the first pipeline 21 is communicated between the second water outlet 42 of the heat exchanger 4 and the first water inlet 5 of the cooling tower, the second pipeline 22 is communicated between the first water outlet 6 of the cooling tower and the second water inlet 41 of the heat exchanger 4, namely the first pipeline 21 is a flow path from the heat exchanger 4 to the cooling tower, and the second pipeline 22 is a flow path from the cooling tower to the heat exchanger 4; and a water pump 23 is provided on the second pipe 22 for providing a power source for water circulation.

In the present application, the first pipeline 21 is arranged above the inside of the box 1, and the second pipeline 22 is arranged below the inside of the box 1, so that the temperature of the water in the first pipeline 21 is increased after heat exchange in the heat exchanger 4, and the temperature of the water in the second pipeline 22 is decreased after temperature reduction in the cooling tower, therefore, the first pipeline 21 is arranged above the inside of the box 1, and the second pipeline 22 is arranged below the inside of the box 1, so that the two pipelines can be separated as far as possible, the water temperature in the second pipeline 22 is prevented from being influenced by heat radiation, the water temperature entering the heat exchanger 4 is increased, and the refrigerating effect of the heat exchanger 4 is achieved.

Further, the two closed cavities in the present application are a first cavity 12 and a second cavity 13, respectively, wherein the pipeline system 2 is disposed in the first cavity 12, and the electronic control system 3 is disposed in the second cavity 13; be equipped with a plurality of gas vent 121 at the top of first cavity 12, bottom at second cavity 13 is provided with a plurality of air inlet 122, gas vent 121 and air inlet 122's setting can make first cavity 12 ventilate more, and because near the hot-air in first pipeline 21 can upwards walk, near the cold-air in second pipeline 22 can walk downwards, the high layering of cold and low heat is arranged and is possessed more excellent radiating efficiency, be favorable to the discharge of steam and wet cold gas in the first cavity, guarantee that the internal environment of first cavity 12 is stable, and make pipeline structure compacter.

Furthermore, the present application further provides an exhaust fan at the exhaust port 121 to accelerate air circulation, and a grille at the intake port 122 to prevent large-sized foreign objects from entering the first cavity 12, thereby further ensuring stability and safety of the duct system 2.

Further, the pipeline system 2 further includes a liquid storage tank 25 and a liquid supplementing device 26 communicated with the liquid storage tank 25 for supplementing refrigerant to the pipeline system, and the liquid storage tank 25 and the liquid supplementing device 26 are both provided with two sets for stable operation of the refrigeration system.

As shown in figures 1 and 3, the pipeline system 2 in the application further comprises a dosing device 24, the water quality in the pipeline system is detected, and when the water quality has large granular substances, the electric control system 3 adds a medicament into the pipeline system to avoid water scaling.

Meanwhile, in the present application, the second pipeline 22 is designed as an annular pipeline, the second pipeline 22 includes at least two liquid supply pipes 221 and at least two liquid inlet pipes 222, for example, each of the liquid supply pipes 221 and the liquid inlet pipes 222 has two, the two liquid supply pipes 221 are arranged in parallel between the first water outlet 6 and the water pump 23, each of the liquid supply pipes 221 is provided with a first switch valve 2211 for controlling the on-off state thereof, the liquid supply pipes 221 can be conveniently overhauled by arranging the liquid supply pipes 221 in parallel, and when one of the liquid supply pipes 221 is damaged or needs to be overhauled, the other liquid supply pipe 221 is switched on to operate.

Similarly, the two liquid inlet pipes 222 are arranged between the second water inlet 41 and the water pump 23 in parallel, each liquid inlet pipe 222 is also provided with a second switch valve 2221 for controlling the on-off state of the liquid inlet pipe, the liquid inlet pipes 222 can be conveniently overhauled by arranging the liquid inlet pipes 222 in parallel, and when one liquid inlet pipe 222 is damaged or needs to be overhauled, the other liquid inlet pipe 222 is switched on to work; the liquid inlet pipe 222 and the liquid supply pipe 221 are simultaneously arranged, and the liquid inlet pipe 222 and the liquid supply pipe 221 are convenient to overhaul together.

Further, the pipeline system 2 in this application includes at least two water pumps 23, and these two water pumps 23 set up in parallel, and two water pumps 23 all switch on feed pipe 221 and feed liquor pipe 222, set up the third ooff valve 231 on the flow path that each water pump 23 communicates with feed pipe 221 and feed liquor pipe 222 and control respective break-make, it is convenient for to overhaul the pipeline and does not influence the normal operating of system equally.

This embodiment has set up two piece at least feed pipe 221, feed liquor pipe 222 and two water pumps 23 simultaneously, combines to set up like this to make to have a plurality of kinds of circulation modes from the cooling tower to between the heat exchanger 4, has avoided making the condition emergence that container refrigerating system can not normally refrigerate because certain section pipeline blocks up, also is convenient for in time examine each pipeline, guarantees refrigerating system's reliable stability.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The container refrigeration system comprises a box body, a pipeline system and an electric control system, and is characterized in that the box body is divided into two closed cavities by a partition plate, and the pipeline system and the electric control system are respectively arranged in the two cavities.

2. The container refrigeration system as recited in claim 1 including a cooling tower disposed outside the container and a heat exchanger for cooling, the piping system including a first pipe communicating from the heat exchanger to the cooling tower, a second pipe communicating from the cooling tower to the heat exchanger, and a water pump disposed on the second pipe.

3. The container refrigeration system of claim 2 wherein said first conduit is disposed above said tank and said second conduit is disposed below said tank.

4. The container refrigeration system of claim 1 wherein said two enclosed chambers comprise a first chamber, said piping system being disposed in said first chamber, said first chamber having an air outlet at a top portion thereof and an air inlet at a bottom portion thereof.

5. The container refrigeration system of claim 4 wherein said air outlet is provided with an exhaust fan and said air inlet is provided with a grill.

6. The container refrigeration system of claim 1 wherein said piping system includes a dosing device for adding a medicament to the circulating medium.

7. The container refrigeration system of claim 1 including a cooling tower, said cooling tower including a first water outlet, said piping system including a water pump and at least two switchable liquid supply lines in parallel communication between said first water outlet and said water pump.

8. The container refrigeration system of claim 7 further comprising a heat exchanger, said heat exchanger including a second water inlet, said piping system including at least two break-make fluid inlet pipes in parallel communication between said second water inlet and a water pump.

9. A container refrigeration system as claimed in claim 7 or claim 8 wherein said piping system includes at least two said water pumps, and said pumps are connected in parallel.

10. The container refrigeration system as recited in claim 1 wherein the piping system further comprises a liquid storage tank, a liquid replenishment device in communication with the liquid storage tank for replenishing the piping system with refrigerant.