CN220152977U

CN220152977U - Efficient and energy-saving multifunctional water-cooling screw type cold and hot water unit

Info

Publication number: CN220152977U
Application number: CN202321486846.1U
Authority: CN
Inventors: 乔思维
Original assignee: Henan Shulan Environmental Protection Technology Co ltd
Current assignee: Henan Shulan Environmental Protection Technology Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-12-08
Anticipated expiration: 2033-06-12

Abstract

The utility model discloses a high-efficiency energy-saving multifunctional water-cooling screw type cold and hot water unit, which comprises a bottom plate and a disassembly and assembly mechanism; a bottom plate: the front side of the upper end of the evaporator is provided with a condenser, a first water inlet pipe and a first water outlet pipe are respectively arranged at a first water inlet hole and a first water outlet pipe which are arranged at the upper end and the lower end of the left side of the condenser, an evaporator is arranged at the rear side of the bottom plate, a second water inlet pipe and a second water outlet pipe are respectively arranged at a second water inlet hole and a second water outlet hole which are arranged at the front end and the rear end of the left side of the evaporator, a compression cylinder is arranged at the left side of the upper end of an extrados surface of the evaporator, a screw is connected in the compression cylinder in a rotating way through a rotating shaft, and an oil separation box is arranged at the right side of the upper end of the extrados surface of the evaporator; and (3) a disassembly and assembly mechanism: the multifunctional water-cooling screw type water chiller-heater unit is arranged on the rear side face of the oil separation box, the filter screen can be quickly and conveniently replaced by the dismounting mechanism, the operation is simple, the time consumption is low, and the personnel can maintain the water-cooling screw type water chiller-heater unit more conveniently and efficiently.

Description

Efficient and energy-saving multifunctional water-cooling screw type cold and hot water unit

Technical Field

The utility model relates to the technical field of water-cooling screw type water chilling units, in particular to a multifunctional water-cooling screw type water chilling and heating unit with high efficiency and energy conservation.

Background

The water-cooled screw type water chilling unit is a common air-conditioning refrigeration device, which mainly comprises a compressor, a condenser, an evaporator, an expansion valve and the like, and has the working principle that the compressor is used for compressing low-temperature low-pressure refrigerant into high-temperature high-pressure gas, then the condenser is used for cooling the gas into liquid, then the expansion valve is used for expanding the liquid refrigerant into low-temperature low-pressure gas, finally the evaporator is used for absorbing indoor heat to reduce the indoor temperature, lubricating oil carried in overheated steam discharged by the compressor is separated before entering the condenser, and oil gas is required to be separated because the heat transfer resistance is increased if an oil film exists on the heat transfer surface of the condenser, so that the heat exchange capacity of the water chilling unit is reduced, further the refrigerating capacity is reduced, but after the water chilling unit is used for a long time, most of the water chilling unit is required to be replaced by disassembling screws, and then the screws are screwed down, the screws are slowly corroded due to the influence of the environment, so that people are very troublesome in the process of replacing the water chilling unit, and labor are wasted.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the multifunctional water-cooling screw type cold and hot water unit with high efficiency and energy saving, the disassembly and assembly mechanism can quickly and conveniently replace a filter screen of the water-cooling screw type cold water unit, the operation is simple, the time consumption is less, the maintenance of the water-cooling screw type cold water unit by personnel is more convenient and the efficiency is higher, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-efficiency energy-saving multifunctional water-cooling screw type cold and hot water unit comprises a bottom plate and a disassembly and assembly mechanism;

a bottom plate: the front side of the upper end of the evaporator is provided with a condenser, a first water inlet pipe and a first water outlet pipe are respectively arranged at a first water inlet hole and a first water outlet pipe which are arranged at the upper end and the lower end of the left side of the condenser, an evaporator is arranged at the rear side of the bottom plate, a second water inlet pipe and a second water outlet pipe are respectively arranged at a second water inlet hole and a second water outlet hole which are arranged at the front end and the rear end of the left side of the evaporator, a compression cylinder is arranged at the left side of the upper end of an extrados surface of the evaporator, a screw is connected in the compression cylinder in a rotating way through a rotating shaft, and an oil separation box is arranged at the right side of the upper end of the extrados surface of the evaporator;

and (3) a disassembly and assembly mechanism: the water cooling screw type water chilling unit filter screen replacing device is arranged on the rear side face of the oil separation box, the disassembly and assembly mechanism can replace the filter screen of the water cooling screw type water chilling unit quickly and conveniently, the operation is simple, the time consumption is low, and the maintenance of personnel on the water cooling screw type water chilling unit is more convenient and the efficiency is higher.

Further, the condenser further comprises a control switch group, wherein the control switch group is arranged at the upper end of the outer cambered surface of the condenser, and the input end of the control switch group is electrically connected with an external power supply.

Further, a motor is arranged in the middle of the left side of the compression cylinder, an output shaft of the motor is fixedly connected with the left end of the rotating shaft, and an input end of the motor is electrically connected with an output end of the control switch group, so that control of an electric appliance is realized.

Further, a first connecting pipe is arranged in a first connecting hole formed in the upper end of the outer cambered surface of the evaporator, the lower side of the front end of the first connecting pipe is communicated with the interior of the condenser, an expansion valve is connected in series with the middle of the first connecting pipe, a second connecting pipe is arranged in a second connecting hole formed in the upper end of the outer cambered surface of the compression cylinder, the lower end of the right side of the second connecting pipe is communicated with the interior of the oil separation tank, a third connecting pipe is arranged in a third connecting hole formed in the front side of the oil separation tank, the lower end of the third connecting pipe is communicated with the interior of the condenser, a fourth connecting pipe is arranged in a fourth connecting hole formed in the upper end of the left side of the outer cambered surface of the evaporator, an oil outlet pipe is arranged at the upper end of the fourth connecting pipe and is communicated with the interior of the compression cylinder, and a valve is arranged in the middle of the oil outlet pipe in series, so that circulating refrigeration of the water-cooling screw type water chilling unit is realized.

Further, dismouting mechanism includes filter screen frame, inserted post, slot board and rectangular plate, filter screen frame sliding connection is in the rear side upper end of oil separation case, and both ends all fixedly connected with slot board about the rear side of filter screen frame, and the rear side lower extreme of oil separation case is provided with the rectangular plate, and the inside of rectangular plate all sliding connection has inserted post, and inserted post is pegged graft with adjacent slot board respectively, has realized the change to water-cooling screw formula cooling water set filtration unit.

Further, the disassembly and assembly mechanism further comprises a limiting disc and a spring, the limiting disc is fixedly sleeved at the upper end of the outer arc surface of the inserted column respectively, the spring is arranged between the limiting disc and the rectangular plate respectively, the spring is sleeved on the outer arc surface of the inserted column respectively, and replacement of the filtering unit of the water-cooling screw type water chilling unit is achieved.

Further, dismouting mechanism still includes link, cam and knob, link fixed connection is between two spliced pole lower extreme, and the cam passes through the rotation axis and rotates to be connected in the rear side upper end of oil separation case, and the cam is located between link and the rectangular plate, and the rear end fixedly connected with knob of rotation axis has realized the change to water-cooling screw formula cooling water set filter unit.

Compared with the prior art, the utility model has the beneficial effects that: this energy-efficient multi-functional water-cooling screw type hot and cold water unit has following benefit:

the personnel firstly connect the first water inlet pipe, the second water inlet pipe and the second water outlet pipe into the corresponding pipelines, then the motor is controlled to be turned on by the control switch group, the output shaft rotates to drive the screw to rotate, after the refrigerant vapor in the evaporator is sucked by the screw compressor, the compressor screw applies energy to the refrigerant vapor, the refrigerant vapor is compressed into high-temperature high-pressure gas, the oil and the gas are separated by the filter screen frame in the oil separation box, the oil falls to the bottom of the oil separation box due to self gravity, the gas enters the condenser through the third connecting pipe, the high-temperature high-pressure refrigerant gas exchanges heat with cooling water in the condenser, heat is transferred to the cooling water to be taken away, the refrigerant gas is condensed into high-pressure liquid, the high-pressure liquid discharged from the condenser enters the evaporator after being throttled and depressurized by the thermal expansion valve, the low-pressure liquid refrigerant absorbs the heat of the chilled water to evaporate, so that the chilled water is cooled down to be the needed low-temperature water, the evaporated refrigerant gas is compressed again by four suction of a screw rod in a compression cylinder through a connecting pipe and enters a condenser, the refrigerant is circulated repeatedly, cooling of the chilled water is realized, a person can open an oil outlet pipe through a valve to discharge oil, when the filter screen frame needs to be replaced, the person rotates a knob to drive a cam on a rotating shaft to rotate, so that the connecting frame is driven to move downwards, the filter screen frame is separated from a slot plate, then the filter screen frame is taken out, a new filter screen frame is inserted into the oil separation box, the rotating knob drives the cam on the rotating shaft to rotate, so that the cam is reset, and at the moment, the spring quickly rebounds to drive the filter screen frame to be inserted into the slot plate to replace the filter screen frame, the disassembly and assembly mechanism can quickly and conveniently replace the filter screen of the water-cooling screw type water chilling unit, is simple to operate and less in time consumption, and enables personnel to maintain the water-cooling screw type water chilling unit more conveniently and more efficiently.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 1 a bottom plate, 2 a dismounting mechanism, 21 a filter screen frame, 22 a plug, 23 a slot plate, 24 a limit disc, 25 a spring, 26 a rectangular plate, 27 a connecting frame, 28 a cam, 29 a knob, 3 a condenser, 4 an evaporator, 5 a motor, 6 a control switch group, 7 a compression cylinder, 8 a connecting pipe I, 9 a connecting pipe II, 10 an oil separation box, 11 an oil outlet pipe and 12 screws.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a high-efficiency energy-saving multifunctional water-cooling screw type cold and hot water unit comprises a bottom plate 1 and a disassembly and assembly mechanism 2;

the base plate 1: the front side of the upper end of the evaporator is provided with a condenser 3, a first water inlet pipe and a first water outlet pipe are respectively arranged at a first water inlet hole and a first water outlet hole which are formed in the upper end and the lower end of the left side of the condenser 3, an evaporator 4 is arranged at the rear side of the bottom plate 1, a second water inlet pipe and a second water outlet pipe are respectively arranged at a second water inlet hole and a second water outlet hole which are formed in the front end and the rear end of the left side of the evaporator 4, a compression cylinder 7 is arranged at the left side of the upper end of an outer cambered surface of the evaporator 4, a screw 12 is rotatably connected in the compression cylinder 7 through a rotating shaft, and an oil separation box 10 is arranged at the right side of the upper end of the outer cambered surface of the evaporator 4;

dismounting mechanism 2: the oil separator is arranged on the rear side of an oil separation tank 10, a motor 5 is arranged in the middle of the left side of the compression cylinder 7, an output shaft of the motor 5 is fixedly connected with the left end of a rotating shaft, the input end of the motor 5 is electrically connected with the output end of a control switch group 6, a first connecting pipe 8 is arranged in a first connecting hole formed in the upper end of an extrados surface of an evaporator 4, the lower side of the front end of the first connecting pipe 8 is communicated with the interior of a condenser 3, an expansion valve is connected in series with the middle of the first connecting pipe 8, a second connecting pipe 9 is arranged in a second connecting hole formed in the upper end of the extrados surface of the compression cylinder 7, the lower end of the right side of the second connecting pipe 9 is communicated with the interior of the oil separation tank 10, a third connecting pipe is arranged in a third connecting hole formed in the front side of the oil separation tank 10, the lower end of the front side of the third connecting pipe is communicated with the interior of the condenser 3, a fourth connecting pipe is arranged in a fourth connecting hole formed in the upper end of the left side of the extrados surface of the evaporator 4, the upper end of the connecting pipe IV is communicated with the interior of the compression cylinder 7, an oil outlet 11 is arranged at an oil outlet arranged at the rear side of the oil separation box 10, a valve is connected in series with the middle part of the oil outlet 11, the dismounting mechanism 2 comprises a filter screen frame 21, an inserting column 22, a slot plate 23 and a rectangular plate 26, the filter screen frame 21 is connected with the upper end of the rear side of the oil separation box 10 in a sliding manner, the slot plate 23 is fixedly connected with the left end and the right end of the rear side of the filter screen frame 21, the rectangular plate 26 is arranged at the lower end of the rear side of the oil separation box 10, the inserting column 22 is connected with the adjacent slot plate 23 in a sliding manner, the inserting column 22 is respectively inserted into the adjacent slot plate 23, the dismounting mechanism 2 further comprises a limiting disc 24 and a spring 25, the limiting disc 24 is respectively fixedly sleeved on the upper end of the outer arc surface of the inserting column 22, the spring 25 is respectively arranged between the limiting disc 24 and the rectangular plate 26, the spring 25 is respectively sleeved on the outer arc surface of the inserting column 22, the dismounting mechanism 2 further comprises a connecting frame 27, the cam 28 and the knob 29 are fixedly connected between the lower ends of the two inserting posts 22, the cam 28 is rotatably connected to the upper end of the rear side of the oil separation box 10 through a rotating shaft, the cam 28 is positioned between the connecting frame 27 and the rectangular plate 26, the knob 29 is fixedly connected to the rear end of the rotating shaft, a person firstly inserts the first water inlet pipe, the second water inlet pipe and the second water outlet pipe into corresponding pipelines, then controls the motor 5 to be opened through the control switch group 6 to rotate, the output shaft rotates to drive the screw 12 to rotate, after the refrigerant vapor in the evaporator 4 is sucked by the compressor of the screw 12, energy is applied to the refrigerant vapor through the compressor screw 12, the refrigerant vapor is compressed into high-temperature and high-pressure gas, oil and gas are separated through the filter screen frame 21 in the oil separation box 10, the oil drops to the bottom of the oil separation box 10 due to self gravity, and the gas enters the condenser 3 through the third connecting pipe, the high-temperature and high-pressure refrigerant gas exchanges heat with cooling water in the condenser 3, heat is transferred to the cooling water to be taken away, the refrigerant gas is condensed into high-pressure liquid, the high-pressure liquid coming out of the condenser 3 is throttled and depressurized by a thermal expansion valve and then enters the evaporator 4, the low-pressure liquid refrigerant absorbs the heat of the frozen water to be vaporized, the frozen water is cooled down to be the needed low-temperature water, the vaporized refrigerant gas is sucked into the condenser 3 again by the screw 12 in the compression cylinder 7 through the connecting pipe four to be compressed, the cycle is repeated, cooling of the frozen water is realized, a worker can open the oil outlet pipe 11 through a valve to discharge oil, when the filter screen frame 21 needs to be replaced, the worker rotates the knob 29 to drive the cam 28 on the rotating shaft to rotate, so that the worker drives the connecting frame 27 to move downwards, make the spliced pole 22 leave in the slot board 23, take out the filter screen frame 21 afterwards, insert the inside of oil separating case 10 with new filter screen frame 21 again, rotatory knob 29 drives the epaxial cam 28 of rotation immediately and rotates, make cam 28 reset, spring 25 kick-backs rapidly at this moment and drives the spliced pole 22 and insert the inside of slot board 23 and accomplish the change to filter screen frame 21, disassembly and assembly machine constructs 2 can be quick convenient to change the filter screen to water-cooling screw type cooling water machine set, easy operation, consuming time is few, make personnel maintain more convenient efficiency higher to water-cooling screw type cooling water machine set.

Wherein: the condenser further comprises a control switch group 6, wherein the control switch group 6 is arranged at the upper end of the outer arc surface of the condenser 3, the input end of the control switch group 6 is electrically connected with an external power supply, and the operation is controlled.

The utility model provides a high-efficiency energy-saving multifunctional water-cooling screw type cold and hot water unit, which has the following working principle: the personnel first connect the first water inlet pipe, the second water inlet pipe and the second water outlet pipe into the corresponding pipelines, then control and open the motor 5 to rotate through the control switch group 6, the output shaft rotates to drive the screw 12 to rotate, after refrigerant vapor in the evaporator 4 is sucked by the screw 12 compressor, energy is applied to the refrigerant vapor through the compressor screw 12, the refrigerant vapor is compressed into high-temperature high-pressure gas, oil and gas are separated through the filter screen frame 21 in the oil separation tank 10, oil falls to the bottom of the oil separation tank 10 due to self gravity, the gas enters the condenser 3 through the connecting pipe III, the high-temperature high-pressure refrigerant gas exchanges heat with cooling water in the condenser 3, heat is transferred to the cooling water, the refrigerant gas is condensed into high-pressure liquid, the high-pressure liquid discharged from the condenser 3 enters the evaporator 4 after throttling and reducing pressure by the thermostatic expansion valve, the low-pressure liquid refrigerant absorbs the heat of the cooling water to be cooled down into required low-temperature water, the vaporized refrigerant gas is sucked into the screw 12 in the compression tank 7 again through the connecting pipe four times to be compressed, the refrigerant gas enters the condenser 3 through the connecting pipe, the rotating valve 21 is driven by the rotating the rotary drum 28, the rotary valve 29 is driven by the rotary valve 28, the rotary valve is driven by the rotary valve 28 to rotate the rotary valve 28, the rotary valve is replaced by the rotary valve 28, and the rotary valve is replaced by the rotary valve 28, at this time, the spring 25 quickly rebounds to drive the inserting column 22 to be inserted into the inserting groove plate 23 to replace the filter screen frame 21, and the dismounting mechanism 2 can quickly and conveniently replace the filter screen of the water-cooling screw type water chilling unit, so that the operation is simple, the time consumption is less, and the maintenance of personnel on the water-cooling screw type water chilling unit is more convenient and the efficiency is higher.

It should be noted that the motor 5 disclosed in the above embodiment may be a MAD422R motor, and the control switch group 6 is provided with switch buttons corresponding to the motor 5 one by one to control its normal operation.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A high-efficient energy-conserving multi-functional water-cooling screw cold and hot water unit, its characterized in that: comprises a bottom plate (1) and a disassembly and assembly mechanism (2);

bottom plate (1): the front side of the upper end of the evaporator is provided with a condenser (3), a first water inlet pipe and a first water outlet pipe are respectively arranged at a first water inlet hole and a first water outlet hole which are formed in the upper end and the lower end of the left side of the condenser (3), an evaporator (4) is arranged at the rear side of the bottom plate (1), a second water inlet pipe and a second water outlet pipe are respectively arranged at a second water inlet hole and a second water outlet hole which are formed in the front end and the rear end of the left side of the evaporator (4), a compression cylinder (7) is arranged at the left side of the upper end of an outer arc surface of the evaporator (4), a screw (12) is rotatably connected in the compression cylinder (7) through a rotating shaft, and an oil separation box (10) is arranged at the right side of the upper end of the outer arc surface of the evaporator (4);

dismounting mechanism (2): which is arranged at the rear side of the oil separation box (10).

2. The efficient and energy-saving multifunctional water-cooling screw type cold and hot water unit according to claim 1, wherein the multifunctional water-cooling screw type cold and hot water unit is characterized in that: the condenser also comprises a control switch group (6), wherein the control switch group (6) is arranged at the upper end of the outer cambered surface of the condenser (3), and the input end of the control switch group (6) is electrically connected with an external power supply.

3. The efficient and energy-saving multifunctional water-cooling screw type cold and hot water unit according to claim 2, wherein the multifunctional water-cooling screw type cold and hot water unit is characterized in that: the middle part of the left side of the compression cylinder (7) is provided with a motor (5), an output shaft of the motor (5) is fixedly connected with the left end of the rotating shaft, and the input end of the motor (5) is electrically connected with the output end of the control switch group (6).

4. The efficient and energy-saving multifunctional water-cooling screw type cold and hot water unit according to claim 1, wherein the multifunctional water-cooling screw type cold and hot water unit is characterized in that: a first connecting pipe (8) is arranged in a first connecting hole formed in the upper end of an outer cambered surface of the evaporator (4), the lower side of the front end of the first connecting pipe (8) is communicated with the interior of the condenser (3), an expansion valve is connected in series with the middle of the first connecting pipe (8), a second connecting pipe (9) is arranged in a second connecting hole formed in the upper end of the outer cambered surface of the compression cylinder (7), the lower right end of the second connecting pipe (9) is communicated with the interior of the oil separation tank (10), a third connecting pipe is arranged in a third connecting hole formed in the front side of the oil separation tank (10), the lower front end of the third connecting pipe is communicated with the interior of the condenser (3), a fourth connecting pipe is arranged in a fourth connecting hole formed in the upper end of the outer cambered surface of the evaporator (4), the upper end of the fourth connecting pipe is communicated with the interior of the compression cylinder (7), an oil outlet pipe (11) is arranged at the position of the rear side of the oil separation tank (10), and a valve is connected in series with the middle of the oil outlet pipe (11).

5. The efficient and energy-saving multifunctional water-cooling screw type cold and hot water unit according to claim 1, wherein the multifunctional water-cooling screw type cold and hot water unit is characterized in that: the disassembly and assembly mechanism (2) comprises a filter screen frame (21), inserting columns (22), inserting plates (23) and rectangular plates (26), wherein the filter screen frame (21) is connected to the upper end of the rear side of the oil separation box (10) in a sliding mode, the inserting plates (23) are fixedly connected to the left end and the right end of the rear side of the filter screen frame (21), the rectangular plates (26) are arranged at the lower end of the rear side of the oil separation box (10), the inserting columns (22) are connected to the inner portions of the rectangular plates (26) in a sliding mode, and the inserting columns (22) are inserted into the adjacent inserting plates (23) respectively.

6. The efficient and energy-saving multifunctional water-cooling screw type cold and hot water unit according to claim 5, wherein the multifunctional water-cooling screw type cold and hot water unit is characterized in that: the dismounting mechanism (2) further comprises a limiting disc (24) and a spring (25), wherein the limiting disc (24) is fixedly sleeved at the upper end of the outer cambered surface of the inserting column (22) respectively, the spring (25) is arranged between the limiting disc (24) and the rectangular plate (26) respectively, and the spring (25) is sleeved on the outer cambered surface of the inserting column (22) respectively.

7. The efficient and energy-saving multifunctional water-cooling screw type cold and hot water unit according to claim 5, wherein the multifunctional water-cooling screw type cold and hot water unit is characterized in that: the dismounting mechanism (2) further comprises a connecting frame (27), a cam (28) and a knob (29), wherein the connecting frame (27) is fixedly connected between the lower ends of the two inserting columns (22), the cam (28) is rotatably connected to the upper end of the rear side of the oil separation box (10) through a rotating shaft, the cam (28) is positioned between the connecting frame (27) and the rectangular plate (26), and the knob (29) is fixedly connected to the rear end of the rotating shaft.