CN108826734B

CN108826734B - Two-connected hot water unit suitable for ultralow temperature environment

Info

Publication number: CN108826734B
Application number: CN201810864054.0A
Authority: CN
Inventors: 张炜
Original assignee: Anhui Ouruida Electrical Appliance Technology Co ltd
Current assignee: Anhui Ouruida Electrical Appliance Technology Co ltd
Priority date: 2018-08-01
Filing date: 2018-08-01
Publication date: 2023-09-01
Anticipated expiration: 2038-08-01
Also published as: CN108826734A

Abstract

The invention discloses a two-connected water heater unit suitable for an ultralow temperature environment, which comprises a unit main body, wherein a first fan and a second fan are fixedly arranged on the outer surface of the upper end of the unit main body, and the first fan is positioned on one side of the second fan. The two-unit hot water unit suitable for the ultralow temperature environment is provided with the air injection enthalpy-increasing compressor, the damping spring and the adjusting rod, can realize normal operation in the ultralow temperature environment, increases the heating capacity of the compressor in severe winter, can reduce the vibration of the compressor, and buffers the vibration generated when the motor in the compressor rotates, so that the noise of the unit is reduced, the inclination angle of the fins and the coils in the evaporator can be adjusted, on one hand, the adsorption area of the fan is conveniently increased, on the other hand, dust removal is facilitated, germs are prevented from breeding on the fins, the evaporator can work normally, and the unit hot water unit has certain practicability and better use prospect.

Description

Two-connected hot water unit suitable for ultralow temperature environment

Technical Field

The invention relates to the field of two-connected water heating units, in particular to a two-connected water heating unit suitable for an ultralow temperature environment.

Background

The two-connected hot water unit is a dual-purpose hot water unit capable of supplying heat and cold, chilled water is produced in summer, the chilled water is subjected to heat exchange in a fan coil through a circulating system, hot water is produced in winter, and the hot water circularly flows in a special pipeline, so that the dual-purpose hot water unit is widely applied to various occasions due to the dual-purpose functionality, and the existing two-connected hot water unit cannot meet the use requirements of people;

the existing two-in-one hot water unit has certain defects when in use, firstly, normal operation under an ultralow temperature environment cannot be realized, the heating capacity of a compressor in severe cold winter cannot be improved, secondly, vibration generated when an internal motor of the compressor rotates cannot be reduced, unit noise is increased, and also, the internal vibration of the unit influences a pipeline during working, so that normal operation of the pipeline is not facilitated, noise is easy to generate, finally, the inclination angle of an internal fin of an evaporator and a coil pipe cannot be adjusted, the adsorption area of a fan cannot be adjusted, dust is not facilitated to be removed, and bacteria are easy to breed on the fin due to dust accumulation, so that certain influence is brought to the use process of people.

Disclosure of Invention

The invention mainly aims to provide a two-unit water heater unit suitable for an ultralow-temperature environment, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a two allies oneself with hot water unit suitable for ultralow temperature environment, includes the unit main part, the upper end surface fixed mounting of unit main part has fan and No. two fans, and No. one fan is located No. two one sides of fans, the inside fixed mounting of upper end of unit main part has the evaporimeter, the surface fixed mounting has the shell all around of unit main part, and evaporimeter fixed mounting is in the inside of shell, one side surface fixed mounting of shell has low pressure gauge and high pressure gauge, and the low pressure gauge is located the upper end of high pressure gauge, one side of high pressure gauge is provided with delivery port and water inlet, and the delivery port is located one side of water inlet.

Preferably, the inside fixed mounting of unit main part has a plurality of groups of pipelines, jet-propelled enthalpy compressor, four-way reversing valve, vapour and liquid separator, heat exchanger, water pump, liquid storage pot, filter and electronic expansion valve, and all put through a plurality of groups of pipelines between each device, water pump fixed mounting is in one side surface of water inlet, the upper end surface fixed mounting of jet-propelled enthalpy compressor has exhaust outlet and air return import, and exhaust outlet is located the upper end of air return import, the bottom fixed mounting of jet-propelled enthalpy compressor has the bottom plate, the lower extreme welding of bottom plate has a plurality of groups of damping spring, the lower extreme welding of a plurality of groups of damping spring has the mounting panel, the evaporimeter includes coil pipe and a plurality of groups of fin, and the coil pipe runs through in the inside of a plurality of groups of fin, the circumference surface of a plurality of groups of pipelines is all fixed mounting has the shock absorber plastic pipe clamp, and one side fixed mounting of shock absorber plastic pipe clamp has buffer spring, buffer spring's opposite side and the inner wall fixed connection of unit main part, one side of a plurality of groups of fin is run through and is provided with the regulation pole.

Preferably, the outer surface of the fin is uniformly coated with a polyolefin coating, and the coil pipe is disc-shaped.

Preferably, one end of the exhaust outlet is fixedly connected with a first temperature sensing pipe, the jet enthalpy increasing compressor is fixedly connected with the four-way reversing valve through the first temperature sensing pipe, one end of the return air inlet is fixedly connected with a second temperature sensing pipe, and the jet enthalpy increasing compressor is fixedly connected with the gas-liquid separator through the second temperature sensing pipe.

Preferably, the plurality of groups of fins are movably connected with the adjusting rod, the coil pipe is movably connected with the plurality of groups of fins, and the plurality of groups of fins are fixedly connected with the coil pipe through the adjusting rod.

Preferably, a circuit board is fixedly arranged in the unit main body near the position of the jet enthalpy-increasing compressor, the output end of the circuit board is electrically connected with the input end of the jet enthalpy-increasing compressor, and a power line and an electric cabinet are fixedly arranged on the outer surface of one side of the unit main body.

Preferably, one end of the heat exchanger is communicated with the four-way reversing valve through a pipeline, the other end of the heat exchanger is communicated with the liquid storage tank through a pipeline, and the other end of the liquid storage tank is communicated with the filter through a pipeline.

Preferably, one end of the evaporator is communicated with the four-way reversing valve through a pipeline, the other end of the evaporator is communicated with the electronic expansion valve through a pipeline, and the four-way reversing valve is communicated with the evaporator, the heat exchanger, the jet enthalpy-increasing compressor and the gas-liquid separator through four groups of pipelines respectively.

Compared with the prior art, the invention has the following beneficial effects: this two allies hot water unit suitable for ultralow temperature environment, through the jet enthalpy-increasing compressor of setting, through the air injection mixed cooling of limit compression when well low pressure, then normal compression when high pressure, improve the compressor displacement, promote the purpose of heating capacity under the low temperature environment, can realize normal operating under the ultralow temperature environment, increased the heating capacity of compressor in severe winter, vibration through the damping spring of setting, the vibrations that produce when the inside motor of buffer compressor rotates can be reduced, thereby reduce the unit noise, can adjust the inclination of inside fin of evaporimeter and coil pipe through the regulation pole of setting, on the one hand be convenient for increase fan adsorption area, on the other hand be favorable to removing dust to it, prevent germ and breed on the fin, ensure that the evaporimeter can normally work, through the shock-absorbing plastic pipe clamp of setting, can avoid the inside vibrations of unit during operation to produce the influence, be favorable to the normal work of pipeline, reduce noise, the life of increase pipeline, whole two allies hot water unit simple structure that is applicable to ultralow temperature environment, and convenient operation, the effect of use is better for traditional mode.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a two-unit water heater unit suitable for use in ultra-low temperature environments according to the present invention;

FIG. 2 is a diagram showing the connection of the internal systems of a two-unit water heater unit suitable for ultra-low temperature environment according to the present invention;

FIG. 3 is an enlarged view of an enhanced vapor injection compressor of a two-unit water heater unit adapted for use in an ultra low temperature environment in accordance with the present invention;

fig. 4 is an enlarged view of an evaporator of a two-unit hot water unit adapted for use in an ultra low temperature environment according to the present invention.

FIG. 5 is a schematic diagram of piping connection of a two-unit water heater unit adapted for use in an ultra-low temperature environment according to the present invention.

In the figure: 1. a unit main body; 2. a first fan; 3. a second fan; 4. an evaporator; 5. a housing; 6. a low pressure gauge; 7. a high pressure gauge; 8. a water outlet; 9. a water inlet; 10. a pipe; 11. an enhanced vapor injection compressor; 12. a four-way reversing valve; 13. a gas-liquid separator; 14. a heat exchanger; 15. a water pump; 16. a liquid storage tank; 17. a filter; 18. an electronic expansion valve; 19. an exhaust outlet; 20. a return air inlet; 21. a bottom plate; 22. a damping spring; 23. a mounting plate; 24. a coiled pipe; 25. a fin; 26. a buffer spring; 27. shock-absorbing plastic pipe clamps; 28. and (5) adjusting the rod.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Example 1

As shown in fig. 1-5, a two-unit hot water unit suitable for ultra-low temperature environment comprises a unit main body 1, wherein a first fan 2 and a second fan 3 are fixedly arranged on the outer surface of the upper end of the unit main body 1, the first fan 2 is positioned on one side of the second fan 3, an evaporator 4 is fixedly arranged in the upper end of the unit main body 1, a shell 5 is fixedly arranged on the outer surface of the periphery of the unit main body 1, the evaporator 4 is fixedly arranged in the shell 5, a low-pressure gauge 6 and a high-pressure gauge 7 are fixedly arranged on the outer surface of one side of the shell 5, the low-pressure gauge 6 is positioned at the upper end of the high-pressure gauge 7, a water outlet 8 and a water inlet 9 are arranged on one side of the high-pressure gauge 7, a plurality of groups of pipelines 10, an air injection enthalpy-increasing compressor 11, a four-way reversing valve 12, a gas-liquid separator 13, a heat exchanger 14, a water pump 15, a liquid storage tank 16, a filter 17 and an electronic expansion valve 18 are fixedly arranged in the unit main body 1, all the devices are communicated through a plurality of groups of pipelines 10, a water pump 15 is fixedly arranged on the outer surface of one side of a water inlet 9, an exhaust outlet 19 and a return air inlet 20 are fixedly arranged on the outer surface of the upper end of an air injection enthalpy increasing compressor 11, the exhaust outlet 19 is positioned at the upper end of the return air inlet 20, a bottom plate 21 is fixedly arranged at the bottom end of the air injection enthalpy increasing compressor 11, a plurality of groups of damping springs 22 are welded at the lower end of the bottom plate 21, a mounting plate 23 is welded at the lower end of the plurality of groups of damping springs 22, an evaporator 4 comprises a coil 24 and a plurality of groups of fins 25, the coil 24 penetrates through the inside of the plurality of groups of fins 25, shock-absorbing plastic pipe clamps 27 are fixedly arranged on the outer surfaces of the circumferences of the plurality of groups of pipelines 10, the shock-absorbing plastic pipe clamps 27 can prevent the pipeline 10 from being influenced by internal vibration during the operation of the unit, the normal work of pipeline 10 is favorable to, reduce the noise, increase pipeline 10's life, and the one side fixed mounting of plastic pipe clamp 27 has buffer spring 26, buffer spring 26's opposite side and the inner wall fixed connection of unit main part 1, one side of a plurality of group fins 25 runs through and is provided with regulation pole 28, jet-propelled enthalpy-increasing compressor 11 is compressed while jet-propelled hybrid cooling when passing through the medium-low pressure, then normal compression when high pressure, improve the compressor displacement, reach the purpose of promoting heating capacity under the low temperature environment, can realize normal operating under the ultra-low temperature environment, the heating capacity of compressor in severe cold winter has been increased, the shock attenuation spring 22 of jet-propelled enthalpy-increasing compressor 11 bottom can reduce the vibrations of compressor, the vibrations that produce when the inside motor of buffer compressor rotates, thereby reduce the unit noise.

Example 2

As shown in fig. 1-5, the outer surface of the fin 25 is uniformly coated with a polyolefin coating, which has corrosion-resistant function, the service life of the fin 25 is prolonged, the coil 24 is disc-shaped, one end of the exhaust outlet 19 is fixedly connected with a first temperature sensing pipe, the vapor-injection enthalpy-increasing compressor 11 is fixedly connected with the four-way reversing valve 12 through the first temperature sensing pipe, one end of the air return inlet 20 is fixedly connected with a second temperature sensing pipe, the vapor-injection enthalpy-increasing compressor 11 is fixedly connected with the gas-liquid separator 13 through the second temperature sensing pipe, a plurality of groups of fins 25 are movably connected with the adjusting rods 28, the coil 24 is movably connected with a plurality of groups of fins 25, the plurality of groups of fins 25 are fixedly connected with the coil 24 through the adjusting rods 28, the adjusting rods 28 can adjust the inclination angle of the fins 25 and the coil 24 inside the evaporator 4, on one hand, the adsorption area of the fan is conveniently increased, on the other hand, the dust is conveniently removed, preventing bacteria from breeding on the fins 25, ensuring that the evaporator 4 can work normally, fixedly mounting a circuit board in the unit main body 1 near the position of the jet enthalpy-increasing compressor 11, electrically connecting the output end of the circuit board with the input end of the jet enthalpy-increasing compressor 11, fixedly mounting a power line and an electric cabinet on the outer surface of one side of the unit main body 1, connecting one end of the heat exchanger 14 with the four-way reversing valve 12 through a pipeline 10, the other end of the heat exchanger 14 is communicated with a liquid storage tank 16 through a pipeline 10, the other end of the liquid storage tank 16 is communicated with a filter 17 through the pipeline 10, one end of the evaporator 4 is communicated with a four-way reversing valve 12 through the pipeline 10, the other end of the evaporator 4 is communicated with an electronic expansion valve 18 through the pipeline 10, and the four-way reversing valve 12 is respectively communicated with the evaporator 4, the heat exchanger 14, the four-way reversing valve 12 through four groups of pipelines 10, the jet enthalpy-increasing compressor 11 is connected to a gas-liquid separator 13.

When the two-unit hot water unit suitable for the ultra-low temperature environment is used, firstly, the unit main body 1 is placed at a required position, an external water pipe is connected with the water inlet 9, a power line is connected with an external power supply, an electric cabinet is controlled to enable the unit to work, heating is required in winter, the air injection enthalpy-increasing compressor 11 sucks low-temperature low-pressure gas refrigerant from the evaporator 4, the refrigerant is compressed into high-temperature high-pressure gas through acting, the high-temperature high-pressure gas enters the heat exchanger 14 to exchange heat with water, the temperature of the water is continuously increased, cold water entering from the water inlet 9 under the action of the water pump 15 is discharged from the water outlet 8 after being heated, the medium-temperature high-pressure liquid is throttled and depressurized by the electronic expansion valve 18 to be regulated into low-temperature low-pressure liquid refrigerant, the evaporator 4 absorbs the heat in the air through the first fan 2 and the second fan 3, the liquid refrigerant is evaporated into low-temperature low-pressure gas and is absorbed back to the jet enthalpy-increasing compressor 11, hot water is produced by repeated circulation, refrigeration is needed in summer, low-pressure superheated refrigerant vapor in the evaporator 4 sucked by the jet enthalpy-increasing compressor 11 is compressed into high-temperature high-pressure superheated vapor, heat is released to the environment in the heat exchanger 14, thereby condensing into saturated or supercooled refrigerant liquid, the saturated or supercooled refrigerant liquid is throttled and depressurized by the electronic expansion valve 18 to flow into the evaporator 4, the heat of the refrigerant water is absorbed in the evaporator 4 for vaporization, then sucked and compressed by the jet enthalpy-increasing compressor 11, new circulation is started, the refrigerant water passing through the evaporator 4 is cooled and is introduced into an air conditioning area, refrigeration is completed, the pressure value of the high-temperature high-pressure gas discharged from the exhaust outlet 19 of the jet enthalpy-increasing compressor 11 can be observed through the high-pressure gauge 7, the pressure value of the gas exhausted by the four-way reversing valve 12 can be observed through the low-pressure gauge 6, the internal working state is conveniently observed according to the pressure condition of the gas in the four-way reversing valve, the vibration-absorbing plastic pipe clamps 27 arranged on the circumferential outer surfaces of the groups of pipelines 10 can avoid the influence of internal vibration of the pipelines 10 during operation of a unit, the normal operation of the pipelines 10 is facilitated, noise is reduced, the service life of the pipelines 10 is prolonged, the buffer springs 26 fixedly arranged on one side of the vibration-absorbing plastic pipe clamps 27 can enable the vibration-absorbing plastic pipe clamps to be more effective, the jet enthalpy-increasing compressor 11 can compress and jet and cool simultaneously during medium and low pressure, then compress normally during high pressure, the exhaust capacity of the compressor is improved, the purpose of improving the heating capacity under the low-temperature environment can be achieved, normal operation under the ultralow-temperature environment is achieved, the vibration-absorbing spring 22 arranged at the bottom end of the jet enthalpy-increasing compressor 11 can reduce the vibration of the compressor, the vibration generated during rotation of the internal motor of the compressor is reduced, the unit noise is further reduced, the fins 25 can be fixedly connected with the coil 24 through the adjusting rods 28, the inclination angle of the evaporator 4 can be adjusted, the fins can be conveniently adjusted on the aspect of the fan 25, and the fan can be conveniently used for preventing the fan from being inclined to absorb the bacteria on the aspect.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two allies oneself with hot water unit suitable for ultralow temperature environment, includes unit main part (1), its characterized in that: the high-pressure air conditioner is characterized in that a first fan (2) and a second fan (3) are fixedly arranged on the outer surface of the upper end of the unit main body (1), the first fan (2) is located at one side of the second fan (3), an evaporator (4) is fixedly arranged in the upper end of the unit main body (1), a shell (5) is fixedly arranged on the outer surface of the periphery of the unit main body (1), the evaporator (4) is fixedly arranged in the shell (5), a low-pressure gauge (6) and a high-pressure gauge (7) are fixedly arranged on the outer surface of one side of the shell (5), the low-pressure gauge (6) is located at the upper end of the high-pressure gauge (7), a water outlet (8) and a water inlet (9) are formed in one side of the high-pressure gauge (7), and the water outlet (8) is located at one side of the water inlet (9);

the inside fixed mounting of unit main part (1) has a plurality of pipeline (10), jet enthalpy increasing compressor (11), four-way reversing valve (12), gas-liquid separator (13), heat exchanger (14), water pump (15), liquid storage tank (16), filter (17) and electronic expansion valve (18), and all connect through a plurality of pipeline (10) between each device, water pump (15) fixed mounting is in one side surface of water inlet (9), the upper end surface fixed mounting of jet enthalpy increasing compressor (11) has exhaust outlet (19) and return air import (20), and exhaust outlet (19) are located the upper end of return air import (20), the bottom fixed mounting of jet enthalpy increasing compressor (11) has bottom plate (21), the lower extreme welding of bottom plate (21) has a plurality of groups damping spring (22), the lower extreme welding of a plurality of groups damping spring (22) has mounting panel (23), evaporator (4) include coil pipe (24) and a plurality of group fin (25), and coil pipe (24) are in the inside surface of a plurality of group fin (25), the circumference of pipeline (10) is located return air inlet (20), and a plurality of shock absorber spring (27) are all fixed mounting has a plurality of shock absorber spring (27) to be installed to one side pipe clamp (27), the other side of the buffer spring (26) is fixedly connected with the inner wall of the unit main body (1), and one side of the plurality of groups of fins (25) is provided with an adjusting rod (28) in a penetrating way;

one end of the exhaust outlet (19) is fixedly connected with a first temperature sensing pipe, the jet enthalpy increasing compressor (11) is fixedly connected with the four-way reversing valve (12) through the first temperature sensing pipe, one end of the return air inlet (20) is fixedly connected with a second temperature sensing pipe, and the jet enthalpy increasing compressor (11) is fixedly connected with the gas-liquid separator (13) through the second temperature sensing pipe;

the fins (25) are movably connected with the adjusting rods (28), the coil pipes (24) are movably connected with the fins (25), and the fins (25) are fixedly connected with the coil pipes (24) through the adjusting rods (28).

2. The two-unit hot water unit suitable for ultra-low temperature environments according to claim 1, wherein: the outer surface of the fin (25) is uniformly coated with a polyolefin coating, and the coil (24) is disc-shaped.

3. The two-unit hot water unit suitable for ultra-low temperature environments according to claim 1, wherein: a circuit board is fixedly arranged in the unit main body (1) near the position of the jet enthalpy-increasing compressor (11), the output end of the circuit board is electrically connected with the input end of the jet enthalpy-increasing compressor (11), and a power line and an electric cabinet are fixedly arranged on the outer surface of one side of the unit main body (1).

4. The two-unit hot water unit suitable for ultra-low temperature environments according to claim 1, wherein: one end of the heat exchanger (14) is communicated with the four-way reversing valve (12) through a pipeline (10), the other end of the heat exchanger (14) is communicated with the liquid storage tank (16) through the pipeline (10), and the other end of the liquid storage tank (16) is communicated with the filter (17) through the pipeline (10).

5. The two-unit hot water unit suitable for ultra-low temperature environments according to claim 1, wherein: one end of the evaporator (4) is communicated with the four-way reversing valve (12) through a pipeline (10), the other end of the evaporator (4) is communicated with the electronic expansion valve (18) through the pipeline (10), and the four-way reversing valve (12) is communicated with the evaporator (4), the heat exchanger (14) and the jet enthalpy-increasing compressor (11) and the gas-liquid separator (13) through four groups of pipelines (10) respectively.