CN212962312U

CN212962312U - Refrigerant flow equalizing device and air conditioning system

Info

Publication number: CN212962312U
Application number: CN202021257808.5U
Authority: CN
Inventors: 方大伟
Original assignee: Suzhou Blackshields Environment Co ltd
Current assignee: Suzhou Blackshields Environment Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-13
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a refrigerant flow straightener and air conditioning system, which comprises a frame, the bottom position is provided with the compressor in the frame, one side is provided with the condenser in the frame, and opposite side slope is provided with the evaporimeter, the condenser with be provided with refrigerant flow straightener between the evaporimeter, refrigerant flow straightener include the knockout, with the isodiametric tee junction spare that the knockout is connected, with the thermal expansion valve that isodiametric tee junction spare is connected, thermal expansion valve keeps away from isodiametric tee junction spare one end is connected with drying filter. The beneficial effects of the utility model are that, through this refrigerant flow straightener, strengthened the homogeneity that refrigerant knockout divides the liquid, under the same conditions, increase refrigerant flow straightener's refrigerating system, the liquid knockout of knockout homogeneity than do not adorn refrigerant flow straightener divides the liquid more even, and evaporimeter heat transfer area utilizes more fully, has effectively improved heat transfer effect.

Description

Refrigerant flow equalizing device and air conditioning system

Technical Field

The utility model relates to an air conditioning technology field, especially a refrigerant flow straightener and air conditioning system.

Background

The air conditioner refrigeration principle is that after the air conditioner is electrified, low-pressure steam of a refrigerant in a refrigeration system is sucked by a compressor and compressed into high-pressure steam, and then the high-pressure steam is discharged to a condenser. Meanwhile, outdoor air sucked by the axial flow fan flows through the condenser to take away heat emitted by the refrigerant, so that high-pressure refrigerant steam is condensed into high-pressure liquid, the high-pressure liquid passes through the filter and the throttling mechanism and then is sprayed into the evaporator, and the high-pressure liquid is evaporated under corresponding low pressure to absorb surrounding heat. Meanwhile, the cross-flow fan enables air to continuously enter fins of the evaporator for heat exchange, and sends the air which is cooled after heat release to the indoor. Thus, the indoor air continuously circulates and flows to achieve the purpose of reducing the temperature.

In the base station air-conditioning refrigeration system, after the refrigerant is throttled and depressurized by the thermostatic expansion valve, part of the refrigerant flashes, and the flow state of the refrigerant is changed from a single-phase liquid state to a gas-liquid two-phase flow state. Due to the structural limitation of the air conditioner, the length of a pipeline between the thermostatic expansion valve and the liquid distributor is long, the number of elbows is large, the pressure loss is large, the flash of the refrigerant is more, if the gas-liquid two-phase refrigerant is not fully mixed, the two-phase refrigerant enters the liquid distributor, the liquid distributor is poor in distribution uniformity, the refrigerant flow of each flow path of the evaporator is uneven in supply, the refrigerant flow of part of the flow paths of the evaporator is too much, the evaporation is incomplete, the refrigerant supply of part of the flow paths is insufficient, dry evaporation is generated, and the heat exchange effect is.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a refrigerant flow straightener and air conditioning system have been designed.

Realize above-mentioned purpose the technical scheme of the utility model be, a refrigerant flow straightener and air conditioning system do, which comprises a frame, the bottom position is provided with the compressor in the frame, one side is provided with the condenser in the frame, and the opposite side slope is provided with the evaporimeter, the condenser with be provided with refrigerant flow straightener between the evaporimeter, refrigerant flow straightener includes the knockout, the constant diameter tee bend connecting piece be connected with the knockout, the thermostatic expansion valve who is connected with constant diameter tee bend connecting piece, thermostatic expansion valve keeps away from constant diameter tee bend connecting piece one end is connected with drier-filter.

As a further description of the present invention, the liquid separator includes the liquid separation head, the liquid separation head with it advances the pipe to be provided with the liquid separation head between one of them interface of constant diameter tee junction spare, all the other two interface connections of constant diameter tee junction spare have a buffer tube, one of them the buffer tube is connected with thermal expansion valve.

As a further description of the present invention, the two interfaces of the drying filter are both connected with liquid pipe connecting pipes, one of the liquid pipe connecting pipes is connected with the thermal expansion valve, and the other liquid pipe connecting pipe is connected with the condenser.

As a further description of the present invention, the evaporator is a tube-sheet evaporator, and the evaporator is connected to the compressor through a return air pipe.

As a further description of the present invention, the condenser is a finned tube condenser, the condenser with connect through the blast pipe between the compressor.

As a further description of the present invention, it is fixed that frame upper portion is provided with a top sealing plate, the top sealing plate is provided with an evaporation fan, and the evaporation fan is located the upper portion position of the evaporator.

As a further description of the present invention, the frame bottom plate is installed at the bottom of the frame, the mounting plate is vertically disposed on the frame bottom plate, and the compressor is installed on the frame bottom plate.

As a further description of the present invention, the mounting plate is provided with a condensing fan, and the condensing fan is located at a lower position of the condenser.

The utility model has the advantages that the utility model has a refrigerant flow equalizing device between the condenser and the evaporator, the refrigerant flow equalizing device comprises a liquid separator, an equal-diameter three-way connecting piece, a thermostatic expansion valve and a drying filter; the liquid separator comprises a liquid separating head, the liquid separating head is connected with one of the interfaces of the equal-diameter three-way connecting piece through a liquid separating head inlet pipe, the other two interfaces of the equal-diameter three-way connecting piece are connected with buffer pipes, one of the buffer pipes is connected with the thermostatic expansion valve, the other interface of the thermostatic expansion valve is connected with the drying filter through a liquid pipe connecting pipe, the other interface of the drying filter is connected with a condenser through a liquid pipe connecting pipe, the uniformity of liquid separation of the refrigerant liquid separator is enhanced through the refrigerant flow equalizing device, under the same condition, the refrigerating system of the refrigerant flow equalizing device is increased, the uniformity of liquid separation of the liquid separator is more uniform than that of the liquid separator without the refrigerant flow equalizing device, the heat exchange area of the evaporator is more fully utilized, and.

Drawings

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

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of the installation structure of the refrigerant flow straightener;

fig. 5 is another perspective view mounting arrangement of a refrigerant flow straightener.

In the figure, 1, frame; 2. a compressor; 3. a condenser; 4. an evaporator; 5. a refrigerant flow straightener; 6. drying the filter; 7. a liquid pipe connection pipe; 8. an air return pipe; 9. an exhaust pipe; 10. a top sealing plate; 11. an evaporation fan; 12. a frame floor; 13. mounting a plate; 14. a condensing fan; 15. a thermostatic expansion valve; 16. an equal-diameter three-way connecting piece; 17. a liquid separator; 18. a liquid separation head; 19. feeding a liquid separation head; 20. a buffer tube.

Detailed Description

First explain the utility model discloses a design original intention, at the cryogenic in-process of air conditioner, the refrigerant will be through thermal expansion valve throttle step-down, this in-process part refrigerant flash, the refrigerant is from one-way liquid state change into gas-liquid two-state, because the restriction of air conditioner structure, it is long to lead to the pipe connection between thermal expansion valve to the knockout, loss of pressure is big, the flash of refrigerant is more, this process back gas-liquid double-phase refrigerant can get into the knockout, among the prior art, double-phase refrigerant gets into the knockout, the homogeneity of knockout reposition of redundant personnel is relatively poor, lead to the uneven refrigerant flow of each flow path of evaporimeter, the evaporation is incomplete, partial flow path refrigerant supply is not enough, produce dry evaporation, the heat transfer effect is poor, for this, the utility model provides a refrigerant flow straightener and air conditioning system.

The present invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1 to 5, a refrigerant flow equalizing device and an air conditioning system includes a compressor 2, a condenser 3, an evaporator 4, a refrigerant flow equalizing device 5, and a drying filter 6, wherein the compressor 2 can lift low-pressure gas into high-pressure gas, so as to realize refrigeration, for the convenience of installation, we adopt a frame 1, a frame bottom plate 12 is arranged at the bottom of the frame 1, and the compressor 2 is installed on the frame bottom plate 12.

The condenser 3 is an important part of a refrigeration system, belongs to a heat exchanger, can convert gas or vapor into liquid, and transfers the heat in the pipe to the air near the pipe in a quick mode, wherein, a tube-fin condenser 3 is adopted, in order to ensure that the installation of the condenser 3 does not influence the installation of other parts, the condenser 3 is installed at one side inside the frame 1, the condenser 3 is generally matched with a condensing fan 14 for use, in order to facilitate the installation of the condensing fan 14, a mounting plate 13 is vertically arranged on the bottom plate of the frame 1, the condensing fan 14 is installed on the mounting plate 13, and the condensing fan 14 is arranged at the lower part of the condenser 3.

Evaporator 4 mainly turns into the gaseous state with liquid material, is air conditioning system's important component, and we adopt finned tube evaporator 4 here, for the convenience of evaporator 4 installation, we install evaporator 4 on frame 1 inside side, and evaporator 4 inclines certain angle, and evaporator 4 uses together with evaporating fan 11 in the use usually, for the convenience of evaporating fan 11's installation, be provided with top shrouding 10 at frame 1 top, install evaporating fan 11 on top shrouding 10, and this evaporating fan 11 is installed on evaporator 4's upper portion.

Because the connected pipelines are long, the pressure loss is large, the flash evaporation of the refrigerant is caused to be more, the supply of the refrigerant in a part of flow paths is insufficient, the dry evaporation is generated, and the heat exchange effect is poor, in order to solve the problem, a refrigerant flow equalizing device 5 is designed, and the refrigerant flow equalizing device 5 comprises a liquid separator 17, an equal-diameter three-way connecting piece 16, a thermal expansion valve 15 and a drying filter 6; the liquid separator 17 comprises a liquid separating head 18, the liquid separating head 18 is connected with a liquid separating head inlet pipe 19 between one interface of the equal-diameter three-way connecting piece 16, the other two interfaces of the equal-diameter three-way connecting piece 16 are connected with buffer pipes 20, one buffer pipe 20 is connected with the thermal expansion valve 15, the other interface of the thermal expansion valve 15 is connected with the dry filter 6 through a liquid pipe connecting pipe 7, and the other interface of the dry filter 6 is connected with the condenser 3 through the liquid pipe connecting pipe 7.

Other connections also adopt pipe body connection, the evaporator 4 is connected with the compressor 2 through an air return pipe 8, and the condenser 3 is connected with the compressor 2 through an exhaust pipe 9.

During the use, through this refrigerant flow straightener 5, strengthened the homogeneity of refrigerant knockout 17 branch liquid, under the same condition, increase refrigerant flow straightener 5's refrigerating system, the branch liquid homogeneity of knockout 17 divides liquid more evenly than the knockout 17 of not adorning refrigerant flow straightener 5, and 4 heat transfer areas of evaporimeter utilize more fully, have effectively improved heat transfer effect.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a refrigerant flow straightener and air conditioning system, includes frame (1), its characterized in that, bottom position is provided with compressor (2) in frame (1), one side is provided with condenser (3) in frame (1), and the opposite side slope is provided with evaporimeter (4), condenser (3) with be provided with refrigerant flow straightener (5) between evaporimeter (4), refrigerant flow straightener (5) are including knockout (17), constant diameter tee junction spare (16) of being connected with knockout (17), thermal expansion valve (15) of being connected with constant diameter tee junction spare (16), thermal expansion valve (15) are kept away from constant diameter tee junction spare (16) one end is connected with drying filter (6).

2. The refrigerant flow equalizing device and the air conditioning system according to claim 1, wherein the liquid separator (17) comprises a liquid separation head (18), a liquid separation head inlet pipe (19) is arranged between the liquid separation head (18) and one of the interfaces of the constant-diameter three-way connecting piece (16), the other two interfaces of the constant-diameter three-way connecting piece (16) are connected with buffer pipes (20), and one of the buffer pipes (20) is connected with the thermostatic expansion valve (15).

3. The refrigerant flow equalizing device and the air conditioning system according to claim 1, wherein both interfaces of the dry filter (6) are connected with liquid pipe connecting pipes (7), one of the liquid pipe connecting pipes (7) is connected with a thermostatic expansion valve (15), and the other liquid pipe connecting pipe (7) is connected with a condenser (3).

4. The refrigerant flow equalizing device and the air conditioning system according to claim 1, characterized in that the evaporator (4) is a finned tube evaporator (4), and the evaporator (4) is connected with the compressor (2) through a return air pipe (8).

5. The refrigerant flow equalizing device and the air conditioning system according to claim 1, characterized in that the condenser (3) is a plate-and-tube condenser (3), and the condenser (3) is connected with the compressor (2) through an exhaust pipe (9).

6. The refrigerant flow equalizing device and the air conditioning system according to claim 1, wherein a top sealing plate (10) is fixed on the upper portion of the frame (1), an evaporation fan (11) is installed on the top sealing plate (10), and the evaporation fan (11) is located at an upper portion of the evaporator (4).

7. The refrigerant flow equalizing device and the air conditioning system as claimed in claim 1, wherein a frame bottom plate (12) is installed at the bottom of the frame (1), a mounting plate (13) is vertically arranged on the frame bottom plate (12), and the compressor (2) is installed on the frame bottom plate (12).

8. The refrigerant flow equalizing device and air conditioning system according to claim 7, characterized in that a condensing fan (14) is installed on the mounting plate (13), and the condensing fan (14) is located at a lower position of the condenser (3).