CN217584697U

CN217584697U - Small-sized direct expansion type phase change cold accumulation air conditioning system

Info

Publication number: CN217584697U
Application number: CN202220931006.0U
Authority: CN
Inventors: 李为林; 常泽芃; 于浩; 刘一凡; 朱佳音
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-14
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a small-size formula phase transition cold-storage air conditioning system that directly expands aims at solving the undulant technical problem of how to deal with the renewable energy power supply of formula air conditioner that directly expands. The utility model comprises a double-suction-port compressor, a condenser and a fan matched with the condenser, an evaporator and a fan matched with the evaporator, and phase change cold accumulation equipment; the phase change cold accumulation equipment comprises a phase change cold accumulation box, a phase change material arranged in the phase change cold accumulation box, a refrigerant pipeline, a water pipeline, a surface cooler and a matched fan thereof. The utility model has the advantages of: the flexibility of the power consumption requirement of the small-sized direct-expansion air conditioner is increased, so that the direct-expansion air conditioner can cope with the power supply fluctuation of renewable energy sources, the renewable energy consumption rate of the direct-expansion air conditioner is improved, and the running carbon emission of the direct-expansion air conditioner is reduced.

Description

Small-sized direct expansion type phase change cold accumulation air conditioning system

Technical Field

The utility model relates to a phase transition cold-storage technical field, concretely relates to small-size formula phase transition cold-storage air conditioning system that directly expands.

Background

On one hand, the contradiction between the cooling and power supply and demand of air conditioners in buildings or other personnel activity spaces is getting worse; on the other hand, the contradiction between the fluctuation of renewable energy power generation and the stability of power supply required by traditional users is more and more serious, and the current situation of unbalanced power supply and demand in China is further influenced. Therefore, the flexibility of the electricity consumption of the air conditioning equipment is improved, the flexible regulation and control are carried out along with the power generation fluctuation of the renewable energy, and the method has important significance for improving the consumption rate of the renewable energy and promoting the realization of the goals of carbon peak reaching and carbon neutralization.

Therefore, the air conditioner cold accumulation technology is widely concerned by technicians in the field, and the existing ice cold accumulation technology and water cold accumulation technology are not satisfactory; in the ice cold storage technology, as the refrigeration temperature of a main machine of the air conditioner can not reach the ice making temperature, an additional ice making main machine needs to be additionally arranged; in the water cold storage technology, the sensible heat of water is used for cold storage, so the volume occupied by the equipment is large. And the above two techniques are not suitable for the direct expansion type air conditioning equipment.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

Disclosure of Invention

An object of the utility model is to provide a small-size formula phase transition cold-storage air conditioning system that directly expands aims at solving the undulant technical problem of how to deal with the renewable energy power supply of small-size formula air conditioner that directly expands.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a small-sized direct-expansion phase-change cold-storage air conditioning system is designed, and comprises a main pipeline provided with a double-suction-port compressor, a second pipeline provided with a condenser and a matched fan thereof, a third pipeline provided with an evaporator and a matched fan thereof, and a fourth pipeline provided with phase-change cold-storage equipment; the main pipeline is connected with the second pipeline through an air outlet of the double-air-suction-port compressor and is respectively connected with the third pipeline and the fourth pipeline through two air suction ports;

the phase change cold accumulation device on the fourth pipeline comprises a phase change cold accumulation box, a phase change material arranged in the phase change cold accumulation box, a refrigerant pipeline arranged in the phase change cold accumulation box, a surface cooler, a fan matched with the surface cooler and a closed water pipeline arranged in the phase change cold accumulation box and the surface cooler.

Preferably, the third pipeline is connected with an electromagnetic valve and an electronic expansion valve, the electromagnetic valve controls the on-off of the third pipeline, and the electronic expansion valve controls the refrigerant flow of the third pipeline.

Preferably, the fourth pipeline is connected with a solenoid valve and an electronic expansion valve, the solenoid valve controls the on-off of the fourth pipeline, and the electronic expansion valve controls the refrigerant flow of the fourth pipeline.

Preferably, the water pipeline is connected with a water pipeline electromagnetic valve and a water pipeline water pump, the water pipeline electromagnetic valve controls the on-off of the water pipeline, and the start-stop control of the fan and the water pump is realized.

Preferably, the small-sized direct-expansion type phase change cold accumulation air conditioning system comprises an indoor unit and an outdoor unit formed by the condenser, wherein the indoor unit comprises a double-air-suction-port compressor connected with the condenser, and the double-air-suction-port compressor is provided with a phase change cold accumulation box, a surface air cooler, a fan of the surface air cooler, an evaporator and a fan of the evaporator which are connected with the double-air-suction-port compressor.

Preferably, the fan matched with the surface air cooler and the fan matched with the evaporator are connected with an air outlet of the indoor unit.

Compared with the prior art, the utility model discloses a main beneficial technological effect lies in:

1. the utility model discloses a choose for use and the unanimous phase change material of air conditioner evaporating temperature, utilize former refrigerator to fill cold for phase change material when can utilizing material latent heat cold-storage, do not additionally add its volume when having compromise ice cold-storage and water cold-storage advantage.

2. The utility model discloses an add the flexible level of power consumption that phase transition cold-storage equipment promoted current small-size formula air conditioner that directly expands, increase the undulant ability of air conditioner reply renewable energy electricity generation, promote the consumption rate of the renewable energy electricity generation of air conditioner, reduce its reliance to fossil energy electricity generation, realize the energy saving and emission reduction of formula air conditioner operation stage that directly expands.

Drawings

Fig. 1 is a schematic diagram of a small-sized direct expansion type phase change cold storage air conditioning system.

Fig. 2 is a schematic diagram of a phase change cold storage device.

Fig. 3 is a top view of the phase change regenerator.

Fig. 4 is a left side view of the phase change cold storage box.

Fig. 5 is an indoor machine main view of the small-sized direct expansion type phase change cold storage air conditioning system.

Fig. 6 is a side view of a small-sized direct expansion type phase change cold storage air conditioning system.

In the above figures; 1. a dual suction port compressor; 2. a condenser; 2-1, a second pipeline; 2-2, a fan matched with the condenser; 3. an evaporator; 3-1, a third pipeline; 3-2, a third pipeline electromagnetic valve; 3-3, a third pipeline electronic expansion valve; 3-4, a fan 4 matched with the evaporator and phase change cold storage equipment; 4-1, a fourth pipeline; 4-2, a fourth pipeline electromagnetic valve; 4-3, a fourth pipeline electronic expansion valve; 4-3, phase change cold storage equipment pipeline electronic expansion valve; 4-4, phase change cold storage box; 4-5, phase change material with the same evaporating temperature as the refrigerant; 4-6, a water pipeline; 4-7, a water pipeline electromagnetic valve; 4-8, a surface cooler fan; 4-9, a surface cooler; 4-10 parts of water pipeline water pump; 5. and an air outlet of the indoor unit.

Detailed Description

The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.

References in this application to "first," "second," "third," etc. are used to distinguish between similar items and not necessarily to limit the particular order or sequence.

The unit modules (components, pipe valves, structures, mechanisms, etc.) and sensors, etc. referred to in the following embodiments are all conventional commercially available products unless otherwise specified.

Example 1: a small-sized direct-expansion phase-change cold-storage air conditioning system is disclosed, referring to the attached figures 1 to 4, and comprises a main pipeline provided with a double-suction-port compressor 1, a second pipeline 2-1 provided with a condenser 2 and a fan matched with the condenser 2, a third pipeline 3-1 provided with an evaporator 3 and a fan 3-4 matched with the evaporator, and a fourth pipeline 4-1 provided with a phase-change cold-storage device 4; the main pipeline is connected with a second pipeline 2-1 through an air outlet of the double-air-inlet compressor 1, and is respectively connected with a third pipeline 3-1 and a fourth pipeline 4-1 through two air inlets; the phase change cold storage device 4 on the fourth pipeline 4-1 comprises a phase change cold storage tank 4-4, a phase change material arranged in the phase change cold storage tank 4-4, a refrigerant pipeline arranged in the phase change cold storage tank 4-4, a surface air cooler 4-9 and a matched fan 4-8 thereof, and a closed water pipeline arranged in the phase change cold storage tank 4-4 and the surface air cooler 4-9. The third pipeline 3-1 is connected with a third pipeline electromagnetic valve 3-2 and a third pipeline electronic expansion valve 3-3, the electromagnetic valve controls the on-off of the third pipeline 3-1, and the third pipeline electronic expansion valve 3-3 controls the refrigerant flow of the third pipeline 3-1. A fourth pipeline electromagnetic valve 4-2 and a fourth pipeline electronic expansion valve 4-3 are connected to the fourth pipeline 4-1, the fourth pipeline electromagnetic valve 4-2 controls the on-off of the fourth pipeline 4-1, and the fourth pipeline electronic expansion valve 4-3 controls the refrigerant flow of the fourth pipeline 4-1. The water pipeline 4-6 is connected with a water pipeline electromagnetic valve 4-7 and a water pipeline water pump 4-10, the water pipeline electromagnetic valve 4-7 controls the on-off of the water pipeline 4-6, and the on-off control of the surface air cooler fan 4-8 and the water pipeline water pump 4-10 is achieved.

Referring to the attached drawings 5 and 6, the small-sized direct-expansion phase change cold accumulation air conditioning system comprises an indoor unit and an outdoor unit formed by the condenser 2, wherein the indoor unit comprises a double-suction-port compressor 1 connected with the condenser 2, and the double-suction-port compressor 1 is provided with a phase change cold accumulation box 4-4, a surface air cooler 4-9, a surface air cooler fan 4-8, an evaporator 3 and an evaporator fan 3-4 which are connected with the double-suction-port compressor. And the surface air cooler matched fan 4-8 and the evaporator matched fan 3-4 are connected with an indoor unit air outlet 5.

The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed or equivalent substitutions can be made on related components, structures and materials without departing from the technical concept of the present invention, thereby forming a plurality of specific embodiments, which are common variations of the present invention and will not be described in detail herein.

Claims

1. A small-sized direct-expansion phase-change cold-storage air conditioning system is characterized by comprising a main pipeline provided with a double-suction-port compressor, a second pipeline provided with a condenser and a matched fan thereof, a third pipeline provided with an evaporator and a matched fan thereof, and a fourth pipeline provided with phase-change cold-storage equipment; the main pipeline is connected with the second pipeline through an air outlet of the double-air-suction-port compressor and is respectively connected with the third pipeline and the fourth pipeline through two air suction ports;

the phase change cold accumulation equipment on the fourth pipeline comprises a phase change cold accumulation box, a phase change material arranged in the phase change cold accumulation box, a refrigerant pipeline arranged in the phase change cold accumulation box, a surface cooler, a fan matched with the surface cooler, and a closed water pipeline arranged in the phase change cold accumulation box and the surface cooler.

2. The small-sized direct expansion type phase change cold accumulation air conditioning system as claimed in claim 1, wherein a solenoid valve and an electronic expansion valve are connected to the third pipeline.

3. The small-sized direct expansion type phase change cold accumulation air conditioning system as claimed in claim 1, wherein the fourth pipeline is connected with a solenoid valve and an electronic expansion valve.

4. The small-sized direct expansion type phase change cold storage air conditioning system according to claim 1, wherein a water pipeline electromagnetic valve and a water pipeline water pump are connected to the water pipeline in the fourth pipeline.

5. The small-sized direct-expansion phase-change cold-storage air-conditioning system according to claim 1, characterized in that the small-sized direct-expansion phase-change cold-storage air-conditioning system comprises an indoor unit and an outdoor unit formed by the condenser, the indoor unit comprises a double-suction-port compressor connected with the condenser, and the double-suction-port compressor is provided with a phase-change cold-storage box, a surface air cooler and a fan matched with the surface air cooler, an evaporator and a fan matched with the surface air cooler, the evaporator and the fan matched with the surface air cooler.

6. The small-sized direct-expansion phase-change cold-storage air conditioning system according to claim 5, wherein the surface air cooler matching fan and the evaporator matching fan are connected with an indoor unit air outlet.