CN212511901U

CN212511901U - Water chilling unit

Info

Publication number: CN212511901U
Application number: CN202021295634.1U
Authority: CN
Inventors: 梁敏; 顾明志
Original assignee: Shanghai Hehe Industrial Co ltd
Current assignee: Shanghai Hehe Industrial Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-02-09
Anticipated expiration: 2030-07-03

Abstract

The utility model provides a water chilling unit, including a set of compressor of corresponding complex, a set of first heat exchanger and a set of cross switching-over valve, the compressor is all fixed to be set up on the chassis, the fixed second heat exchanger that sets up in chassis one side, the fixed automatically controlled cabinet that sets up of opposite side, the chassis is through the mount and the first heat exchanger fixed connection that set up, cross switching-over valve four ends respectively with the compressor both ends, first heat exchanger and second heat exchanger fixed connection, first heat exchanger includes the inner tube, outer tube and capillary, the second heat exchanger includes a set of first liquid mouth and a set of second liquid mouth, be provided with filter and throttling element between capillary and the first liquid mouth. The fixing frame is arranged, the two first heat exchangers are fixed on the fixing frame, the two compressors are fixed under the fixing frame, and the compressors are correspondingly matched with the first heat exchangers, so that the volume of the whole machine is effectively reduced; the design of the two sets of cooling circuits improves the cooling efficiency of the second heat exchanger.

Description

Water chilling unit

Technical Field

The utility model relates to an air conditioner technical field specifically is a cooling water set.

Background

The water cooler is a water cooling device and can provide constant-temperature, constant-flow and constant-pressure cooling water. The existing water chilling unit has complex overall structure layout and larger volume; the single water cooling circuit works less efficiently.

SUMMERY OF THE UTILITY MODEL

To the problem pointed out in the background art, the utility model provides a water chilling unit.

The technical scheme of the utility model is realized like this:

a water chilling unit is characterized in that: comprises a group of compressors, a group of first heat exchangers and a group of four-way reversing valves which are correspondingly matched, wherein the compressors are fixedly arranged on a chassis, a second heat exchanger is fixedly arranged on one side of the chassis, an electric control cabinet is fixedly arranged on the other side of the chassis, the chassis is fixedly connected with the first heat exchanger through a fixed frame, four ends of the four-way reversing valve are respectively and fixedly connected with two ends of the compressor, the first heat exchanger and the second heat exchanger, the first heat exchanger includes an inner tube, an outer tube, and a capillary tube disposed between the inner tube and the outer tube, the second heat exchanger comprises a group of first liquid ports and a group of second liquid ports which are correspondingly arranged at two sides, the second heat exchanger also comprises a first interface and a second interface, and a filter and a throttling element are arranged between the capillary tube and the first liquid port from the first heat exchanger to the second heat exchanger.

The utility model discloses further set up to: and the four ends of the four-way reversing valve are respectively and fixedly connected with the two ends of the compressor, the capillary tube in the first heat exchanger and the second liquid port in the second heat exchanger.

The utility model discloses further set up to: the inner tube all includes water inlet and delivery port, the equal fixed connection of water inlet divides the pipe, the equal fixed connection of delivery port goes out the hydration pipe.

The utility model discloses further set up to: the compressor, the four-way reversing valve, the first heat exchanger, the filter, the throttling element and the second heat exchanger are fixedly connected through a copper pipe.

The utility model discloses further set up to: the chassis is sequentially provided with the second heat exchanger, the compressor and the electric control cabinet from one side to the other side, and the four-way reversing valve and the copper pipe are fixedly arranged between the second heat exchanger and the compressor.

The utility model discloses further set up to: the top of the electric control cabinet is fixedly connected with the fixing frame, and the bottom of the electric control cabinet is fixedly connected with the chassis.

The utility model discloses further set up to: the chassis is provided with a water outlet, and the side wall of the chassis is provided with a group of fixing pieces.

The utility model discloses further set up to: the base plate is fixedly connected with the compressor through a set of fixing devices, the fixing devices comprise fixing seats and bolts, connecting lugs are arranged at the bottom of the compressor, and the bolts penetrate through the connecting lugs and are in threaded fit with the fixing seats.

To sum up, the beneficial effects of the utility model are that: the utility model provides a water chilling unit, through setting up the mount, fix two first heat exchangers on the mount, fix two compressors under the mount, and compressor and first heat exchanger are corresponding to cooperate, have reduced the volume of the complete machine effectively; the design of the two sets of cooling circuits improves the cooling efficiency of the second heat exchanger.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic structural view of the middle fixing device of the present invention.

Reference numerals: 1. a compressor; 2. a first heat exchanger; 3. a four-way reversing valve; 4. a chassis; 5. a second heat exchanger; 6. an electric control cabinet; 7. a fixed mount; 8. an inner tube; 9. an outer tube; 10. a capillary tube; 11. a first fluid port; 12. a second fluid port; 13. a first interface; 14. a second interface; 15. a filter; 16. a throttling element; 17. water inlet branch pipes; 18. a copper pipe; 19. a water outlet; 20. a fixing sheet; 21. a fixed seat; 22. a bolt; 23. and (5) connecting lugs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention is described below with reference to fig. 1-3:

a water chilling unit comprises a group of compressors 1, a group of first heat exchangers 2 and a group of four-way reversing valves 3 which are correspondingly matched. In this embodiment, the number of the compressor 1, the first heat exchanger 2, and the four-way reversing valve 3 is 2.

Two compressors 1 are fixedly arranged on a chassis 4, one side of the chassis 4 is fixedly provided with a second heat exchanger 5, the other side of the chassis 4 is fixedly provided with an electric control cabinet 6, and the electric control cabinet 6 controls the working operation of the whole machine. Four ends of the four-way reversing valve 3 are respectively and fixedly connected with two ends of the compressor 1, the first heat exchanger 2 and the second heat exchanger 5. Specifically, the compressor 1, the four-way reversing valve 3, the first heat exchanger 2 and the second heat exchanger 5 are fixedly connected through a copper pipe 18 to form a closed loop.

In a specific way of connecting the loops, the present embodiment has two closed loops. The first heat exchanger 2 comprises an inner pipe 8, an outer pipe 9 and a capillary tube 10 arranged between the inner pipe 8 and the outer pipe 9, the capillary tube 10 is spirally wound on the periphery of the inner pipe 8, two ends of the inner pipe 8 are connected with a water source, and the outer pipe 9 plays a role in wrapping; the second heat exchanger 5 includes a set of first liquid ports 11 and a set of second liquid ports 12 that both sides correspond to set up, and the second heat exchanger 5 includes the first liquid port 11 and the second liquid port 12 of connecting two return circuits promptly. Therefore, four ends of the four-way reversing valve 3 are respectively and fixedly connected with two ends of the compressor 1, the capillary tube 10 in the first heat exchanger 2 and the second liquid port 12 in the second heat exchanger 5, and a filter 15 and a throttling element 16 are arranged between the capillary tube 10 and the first liquid port 11 from the first heat exchanger 2 to the second heat exchanger 5.

Further, the second heat exchanger 5 comprises a first connector 13 and a second connector 14, the first connector 13 and the second connector 14 are connected with a water pump, and the water pump is connected with a source of water to be cooled.

In the first heat exchanger 2, the inner pipe 8 needs to be connected with a water source to absorb heat released by condensation of the refrigerant in the capillary tube 10, and since the two groups of inner pipes 8 are arranged in the embodiment, water inlet and water outlet are carried out together. Therefore, the inner pipes 8 all comprise a water inlet and a water outlet, the water inlet is fixedly connected with the water inlet branch pipe 17, and the water outlet is fixedly connected with the water outlet branch pipe.

In the overall structure design layout, the chassis 4 is fixedly connected with the first heat exchangers 2 through the arranged fixing frames 7, the two first heat exchangers 2 are arranged on the fixing frames 7, the two compressors 1 are arranged below the fixing frames 7, and the compressors 1 correspond to the first heat exchangers 2; the chassis 4 is sequentially provided with a second heat exchanger 5, a compressor 1 and an electric control cabinet 6 from one side to the other side, and a four-way reversing valve 3 and a copper pipe 18 are fixedly arranged between the second heat exchanger 5 and the compressor 1; the top of the electric control cabinet 6 is fixedly connected with the fixed frame 7, and the bottom of the electric control cabinet 6 is fixedly connected with the chassis 4.

Furthermore, the chassis 4 is provided with a water outlet 19, the side wall of the chassis 4 is provided with a set of fixing sheets 20, and the fixing sheets 20 can fix the whole machine.

On chassis 4 and compressor 1 fixed connection's concrete mode, chassis 4 is through a set of fixing device and compressor 1 fixed connection who sets up, and fixing device includes fixing base 21 and bolt 22, and compressor 1 bottom is equipped with engaging lug 23, and bolt 22 passes engaging lug 23 and fixing base 21 screw-thread fit.

The working process of the present invention will be further described below:

during water cooling, a refrigerant is compressed by the compressor 1 and then becomes high-temperature and high-pressure gas, the high-temperature and high-pressure gas enters the capillary tube 10 in the first heat exchanger 2 through the four-way reversing valve 3, the water inlet branch pipe 17 is communicated with a water source through a water pump, the high-temperature and high-pressure gas is condensed into high-pressure refrigerant liquid, then the high-pressure refrigerant liquid is subjected to pressure reduction through the filter 15 and the throttling element 16 and flows into the second heat exchanger 5 from the second liquid port 12 in the second heat exchanger 5, the high-pressure refrigerant liquid is evaporated, gasified and absorbs heat of a cooled object to become low-pressure gas, then the low-pressure gas is sucked into the compressor 1 again through the first liquid port 11 in the second heat exchanger 5 and the four-.

Sometimes, the water needs to be heated, the flowing direction of the refrigerant is changed through the four-way reversing valve 3, the flowing direction of the refrigerant is just opposite to that of the water during cooling, the refrigerant is condensed by the second heat exchanger 5 to release heat, the water is heated, evaporated by the first heat exchanger 2 to absorb heat, and finally returns to the compressor 1.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A water chilling unit is characterized in that: the heat exchanger comprises a group of compressors (1), a group of first heat exchangers (2) and a group of four-way reversing valves (3) which are correspondingly matched, wherein the compressors (1) are fixedly arranged on a chassis (4), one side of the chassis (4) is fixedly provided with a second heat exchanger (5), the other side of the chassis (4) is fixedly provided with an electric control cabinet (6), the chassis (4) is fixedly connected with the first heat exchangers (2) through a set fixing frame (7), four ends of the four-way reversing valves (3) are respectively and fixedly connected with two ends of the compressors (1), the first heat exchangers (2) and the second heat exchangers (5), each first heat exchanger (2) comprises an inner tube (8), an outer tube (9) and a capillary tube (10) arranged between the inner tube (8) and the outer tube (9), each second heat exchanger (5) comprises a group of first liquid ports (11) and a group of second liquid ports (12) which are correspondingly arranged on two sides, the second heat exchanger (5) further comprises a first connector (13) and a second connector (14), and a filter (15) and a throttling element (16) are arranged between the capillary tube (10) and the first liquid port (11) from the first heat exchanger (2) to the second heat exchanger (5).

2. The water chiller according to claim 1 wherein: and the four ends of the four-way reversing valve (3) are respectively and fixedly connected with the two ends of the compressor (1), the capillary tube (10) in the first heat exchanger (2) and the second liquid port (12) in the second heat exchanger (5).

3. The water chiller according to claim 1 wherein: inner tube (8) all include water inlet and delivery port, the equal fixed connection of water inlet divides pipe (17), the equal fixed connection of delivery port goes out the hydration pipe.

4. The water chiller according to claim 1 wherein: the compressor (1), the four-way reversing valve (3), the first heat exchanger (2), the filter (15), the throttling element (16) and the second heat exchanger (5) are fixedly connected through a copper pipe (18).

5. The chiller according to claim 4, wherein: the chassis (4) is sequentially provided with the second heat exchanger (5), the compressor (1) and the electric control cabinet (6) from one side to the other side, and the four-way reversing valve (3) and the copper pipe (18) are fixedly arranged between the second heat exchanger (5) and the compressor (1).

6. The water chiller according to claim 1 wherein: the top of the electric control cabinet (6) is fixedly connected with the fixed frame (7), and the bottom of the electric control cabinet (6) is fixedly connected with the chassis (4).

7. The water chiller according to claim 1 wherein: the chassis (4) is provided with a water outlet (19), and the side wall of the chassis (4) is provided with a group of fixing pieces (20).

8. The water chiller according to claim 1 wherein: chassis (4) through a set of fixing device who sets up with compressor (1) fixed connection, fixing device includes fixing base (21) and bolt (22), compressor (1) bottom is equipped with engaging lug (23), bolt (22) pass engaging lug (23) with fixing base (21) screw-thread fit.