CN212778011U

CN212778011U - Multi-channel efficient energy-saving unit

Info

Publication number: CN212778011U
Application number: CN202021412226.XU
Authority: CN
Inventors: 杨玉奎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-23
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a multichannel high-efficiency energy-saving unit, which mainly comprises a compressor unit, a condenser, a heat exchanger, a filter, an expansion valve, a solenoid valve, an air-cooled evaporator and a moisture evaporator, wherein the compressor unit is sequentially connected with the condenser, the heat exchanger, the filter and the expansion valve through pipelines, the expansion valve is provided with three channels, the two channels are provided with the solenoid valve, the solenoid valve is connected with the air-cooled evaporator, the air-cooled evaporator is connected back to the compressor unit, and an enthalpy-supplementing solenoid valve is arranged in front of the solenoid valve and the air-; the single channel is equipped with the solenoid valve, and the water-cooling evaporimeter is connected to the solenoid valve, and the water-cooling evaporimeter links back compressor unit. The utility model discloses be equipped with three refrigeration passageway altogether, wherein two air-cooled evaporator passageways can alternate use in turn, and the water-cooled evaporator passageway assists the use, and the design of multichannel lets the utility model is suitable for a complicated operational environment satisfies diversified user demand, has guaranteed the frostless operation of unit, compressor unit's parallelly connected use for the maximize of energy efficiency ratio output.

Description

Multi-channel efficient energy-saving unit

Technical Field

The utility model relates to a refrigerating system technical field, more specifically the utility model relates to a multichannel energy-efficient unit that says so.

Background

The compressor of the refrigeration principle of a general refrigerator has the function of compressing steam with lower pressure into steam with higher pressure, so that the volume of the steam is reduced, and the pressure is increased. The compressor sucks working medium steam with lower pressure from the evaporator, the working medium steam with lower pressure is sent into the condenser after the pressure of the working medium steam is increased, the working medium steam is condensed into liquid with higher pressure in the condenser, the liquid with lower pressure is sent into the evaporator after the liquid is throttled by the throttle valve, the liquid is evaporated by absorbing heat in the evaporator to form steam with lower pressure, and the steam is sent into an inlet of the compressor, so that the refrigeration cycle is completed. The refrigerating system adopts a general refrigerating principle, however, the demand is increasing day by day, the general refrigerating system can not meet the daily demand of users, a multi-channel high-efficiency energy-saving unit which can be simultaneously suitable for hot water and an air conditioner is generally needed in the market at present, different channels are operated in winter and summer, and the use requirement of people is met.

Therefore, in order to solve the above problems, it is an urgent need to solve the above problems by those skilled in the art to provide a refrigeration system unit with high stability, high efficiency, energy saving, multiple functions and low failure rate.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a multichannel high-efficiency energy-saving unit, which is provided with three channels including an air cooling channel and a water cooling channel, wherein the air cooling channel is a double channel, and the double channels can be operated alternately and circularly, so as to ensure the high-efficiency operation of the unit without defrosting forever; the water cooling channel is matched with the double air cooling channels for use, so that the maximization of the energy efficiency ratio of the unit can be guaranteed; the compressor units are used in parallel, the cold energy configuration allowance of the system can be reasonably selected, the optimal configuration is achieved, and when a fault occurs, the fault compressor can be independently disassembled and maintained.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-channel high-efficiency energy-saving unit mainly comprises a compressor unit, a condenser, a heat exchanger, a filter, an expansion valve, an electromagnetic valve, an air-cooled evaporator and a moisture evaporator, wherein the compressor unit is sequentially connected with the condenser, the heat exchanger, the filter and the expansion valve through pipelines; the single channel is equipped with the solenoid valve, and the water-cooling evaporimeter is connected to the solenoid valve, and the water-cooling evaporimeter links back compressor unit.

Preferably, in the multichannel high-efficiency energy-saving unit, the compressor unit adopts a plurality of compressors connected in parallel, and the cold capacity configuration allowance of the system can be reasonably selected to achieve the optimal configuration.

Preferably, in the multichannel efficient energy-saving unit, the heat exchanger is a finned tube dividing wall type heat exchanger, heat is exchanged between fluids, and a proportional valve is arranged at a position of the heat exchanger and a position of the fluid exchanger.

Preferably, in the multi-channel high-efficiency energy-saving unit, a ZDR-137A type refrigerant is selected in the compressor unit.

Preferably, in the multichannel high-efficiency energy-saving unit, the expansion valve is one of an electromagnetic electronic expansion valve and an electrodynamic electronic expansion valve, so that intelligent control can be realized.

Preferably, in the multi-channel efficient energy-saving unit, the electromagnetic valves are divided into a first channel electromagnetic valve, a second channel electromagnetic valve and a third channel electromagnetic valve, and the electromagnetic valves can adopt liquid-gas electromagnetic valves.

Preferably, in the multi-channel efficient energy-saving unit, the condenser and the water-cooled evaporator are both provided with fluid ports, and can be connected with an external pipeline for liquid exchange.

According to the technical scheme, compare with prior art, the utility model discloses a multichannel energy-efficient unit is equipped with three refrigeration passageway altogether, and wherein two air-cooled evaporator passageways can alternate use in turn, and water-cooled evaporator passageway assists the use, and the design of multichannel lets the utility model is suitable for a complicated operational environment satisfies diversified user demand, has guaranteed the frostless operation of unit, and compressor unit's parallelly connected use for the maximize of energy efficiency ratio output.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a compressor unit; 2. a condenser; 3. a heat exchanger; 4. a filter; 5. an expansion valve; 6. a first passage solenoid valve; 7. a second passage solenoid valve; 8. a third channel solenoid valve; 9. an enthalpy compensation electromagnetic valve; 10. an air-cooled evaporator; 11. and (4) water-cooling the evaporator.

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 work belong to the protection scope of the present invention.

The embodiment of the utility model discloses a multi-channel high-efficiency energy-saving unit, which is provided with three channels including an air cooling channel and a water cooling channel, wherein the air cooling channel is a double channel which can be circularly and alternately operated, thereby ensuring the high-efficiency operation of the unit without defrosting forever; the water cooling channel is matched with the double air cooling channels for use, so that the maximization of the energy efficiency ratio of the unit can be guaranteed; the compressor units are used in parallel, the cold energy configuration allowance of the system can be reasonably selected, the optimal configuration is achieved, and when a fault occurs, the fault compressor can be independently disassembled and maintained.

Referring to fig. 1, the utility model discloses a multichannel high-efficiency energy-saving unit, specifically includes: the system comprises a compressor unit 1, a condenser 2, a heat exchanger 3, a filter 4, an expansion valve 5, a first channel electromagnetic valve 6, a second channel electromagnetic valve 7, a third channel electromagnetic valve 8, an enthalpy-compensating electromagnetic valve 9, an air-cooled evaporator 10 and a water-cooled evaporator 11; the compressor unit 1 adopts a plurality of compressors to be connected in parallel for centralized refrigeration, the cold capacity of the system is surplus, when one compressor fails, the operation of the whole system is not influenced, and the failed compressor can be independently dismounted and maintained; the compressor unit 1 is connected with the condenser 2 through a pipeline, the condenser 2 is connected with the heat exchanger 3 through a pipeline, the heat exchanger 3 adopts a fin tube type dividing wall type heat exchanger, the heat exchange efficiency is high, the heat exchanger 3 is provided with a proportional valve, the proportion of heat exchange liquid can be controlled to be constant, and the heat exchange is stable; the back of the heat exchanger 3 is connected with a dry filter 4, an electromagnetic electronic expansion valve 5 is arranged behind the dry filter 4, the electronic expansion valve 5 has fast signal feedback, high control precision and wide adjustment range, and the intelligent control of a refrigeration system can be realized; the pipeline behind the expansion valve 5 is provided with a tee joint and is connected with three pipelines, two of the pipelines are air-cooled evaporator pipelines, electromagnetic valves are arranged in the pipelines and are divided into a first channel electromagnetic valve 6 and a second channel electromagnetic valve 7, an enthalpy supplement electromagnetic valve 9 is arranged in front of the electromagnetic valves and the air-cooled evaporator 10, the enthalpy supplement break electromagnetic valve 9 is connected with the compressor unit 1, the enthalpy supplement electromagnetic valve 9 can supplement heat and air to the air-cooled evaporator 10, and finally the air-cooled evaporator 10 is connected back to the compressor unit 1 to complete the whole refrigeration process; the third channel is a water-cooled evaporator 11, and a third channel electromagnetic valve 8 which is opened and closed is arranged between the water-cooled evaporator 11 and the expansion valve 5.

The use principle is as follows: the expansion valve 5 can alternately input working media into the air-cooled evaporator 10 through the first channel electromagnetic valve 6 and the second channel electromagnetic valve 7, and in the operation process, the supplement-break electromagnetic valve 9 works to supplement heat and air, so that the frost-free operation of the unit is ensured. The first channel operates: first passageway solenoid valve 6 opens the back, and second passageway solenoid valve 7 closes, and first benefit enthalpy solenoid valve is closed, and the second is mended break the solenoid valve and is opened and run, and air cooled evaporator 10 exit is equipped with the temperature detection meter, and detectable air cooled evaporator 10 exit temperature changes to the operation of passageway two before reaching the condition of frosting and predetermineeing the temperature: second passageway solenoid valve 7 opens the back, first passageway solenoid valve 6 closes, the second is broken the solenoid valve and is closed, the operation is opened to first benefit enthalpy solenoid valve, when detecting air-cooled evaporator 10 exit temperature, before reaching the condition of frosting and predetermineeing the temperature, reconverting to the operation of passageway one, circulation binary channels in turn moves in proper order, guarantee that the unit never changes the frost, high-efficient operation, be the recovery passageway of sewage or waste heat when its three winter operation in passageway, there is the place of sewage or waste heat winter, waste heat recovery is carried out to accessible passageway three, in a word: the first channel and the second channel are air evaporation with heat air enthalpy compensation, the third channel is water source evaporation, and the three channels are switched to operate in turn, so that frostless operation of the unit is guaranteed, and the energy efficiency ratio is maximized.

The electronic expansion valve 5 can use the water-cooling evaporator 11 to provide air-conditioning cold air for the space in summer, if the cold air is too large, the first channel and the second channel can be alternated, and the cold air enters the air-cooling evaporator 10 to be cooled, and the enthalpy-supplementing electromagnetic valve 9 stops working in summer. The channel is used for the air conditioner when the channel runs in the third summer, and air conditioning cold air can be provided for a space to be used, if the cold air is too large, the air can be evaporated through the channel I and the channel II, redundant cold energy is taken away, the three channels alternately switch to run, and multifunctional normal running of the unit is guaranteed. And (3) operating the channel III, opening the third channel electromagnet 8, entering the water-cooled evaporator 11, enabling the water-cooled evaporator 11 to provide cold water for an external air conditioner to use, and opening the channel I to operate when the temperature detector at the outlet of the water-cooled evaporator 11 detects that the temperature is too cold: the first channel electromagnetic valve 6 is opened, the first enthalpy compensation electromagnetic valve is closed, the second enthalpy compensation electromagnetic valve is closed, and when the outlet of the water-cooled evaporator 11 detects that the temperature continues to be supercooled, the second channel is opened again to operate: and when the second channel electromagnetic valve 7 is opened, the second enthalpy-supplementing electromagnetic valve is closed, the first enthalpy-supplementing electromagnetic valve is closed, and the outlet of the water-cooling evaporator 11 detects that the temperature is recovered and not supercooled, the first channel and the second channel are closed in sequence, so that the normal operation of the third channel can be ensured.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multi-channel high-efficiency energy-saving unit is characterized by mainly comprising a compressor unit, a condenser, a heat exchanger, a filter, an expansion valve, an electromagnetic valve, an air-cooled evaporator and a moisture evaporator, wherein the compressor unit is sequentially connected with the condenser, the heat exchanger, the filter and the expansion valve through pipelines; the single channel is equipped with the solenoid valve, and the water-cooling evaporimeter is connected to the solenoid valve, and the water-cooling evaporimeter links back compressor unit.

2. The multi-channel high-efficiency energy-saving unit as claimed in claim 1, wherein the compressor unit adopts a plurality of compressors connected in parallel, and the system cold configuration allowance is reasonably selected to achieve the optimal configuration.

3. The multichannel high-efficiency energy-saving unit as claimed in claim 1, wherein the heat exchanger is a finned tube dividing wall type heat exchanger, heat exchange is carried out between fluids, and a proportional valve is arranged at the position of the heat exchanger and the fluid exchange port.

4. A multi-channel high efficiency energy saving unit as set forth in claim 1 wherein ZDR-137A type refrigerant is selected for use in said compressor unit.

5. The multi-channel high-efficiency energy-saving unit as claimed in claim 1, wherein the expansion valve is one of an electromagnetic expansion valve and an electrodynamic expansion valve, so as to realize intelligent control.

6. The multi-channel efficient energy-saving unit according to claim 1, wherein the electromagnetic valves are divided into a first channel electromagnetic valve, a second channel electromagnetic valve and a third channel electromagnetic valve, and the electromagnetic valves are liquid-gas electromagnetic valves.

7. The multi-channel high-efficiency energy-saving unit as claimed in claim 1, wherein the condenser and the water-cooled evaporator are provided with fluid ports, and are connected with external pipelines for liquid exchange.