Air conditioner waste heat recovery multi-mode working system

Abstract

The utility model belongs to the technical field of air conditioning equipment, in particular to an air conditioning waste heat recovery multi-mode working system, which is characterized in that a compressor is connected with a four-way valve, and a valve I and a one-way valve I are arranged on a pipeline I connected between the four-way valve and an evaporator; a capillary tube is arranged on a pipeline II connected between the water tank and the evaporator; the pipeline II between the capillary tube and the water tank is also connected with a pipeline III; a valve V is arranged on the pipeline III; a pipeline IV is connected to the pipeline II between the pipeline III and the capillary tube; a one-way valve II is arranged on the pipeline IV; a pipeline V is connected to the pipeline II between the evaporator and the capillary tube; a valve IV is arranged on the pipeline V; a pipeline VI is connected to the water tank on the pipeline I between the four-way valve and the valve I, and a valve III is arranged on the pipeline VI; a pipeline VII is connected to the pipeline I between the evaporator and the one-way valve I; a valve II is arranged on the pipeline VII; and a pipeline 8 is connected in the four-way valve. The pipeline is simple in design, and the cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of air-conditioning equipment, and in particular belongs to a multi-mode working system for recovering waste heat from an air-conditioner. Background Art

[0002] When the air conditioner is cooling, the condensation heat is discharged to the outside and is wasted, and cannot be fully utilized; when heating, the heat pump works and is only used for indoor heating; the operation of the equipment causes energy waste to a certain extent. In addition, the air conditioner and hot water production device in the prior art also has the disadvantages of large comprehensive investment, inconvenient installation, low equipment utilization, high energy consumption, and poor safety. Summary of the invention

[0003] The utility model provides an air-conditioning waste heat recovery multi-mode working system to achieve the purpose of reducing production costs and stabilizing operation.

[0004] An air conditioner waste heat recovery multi-mode working system, characterized in that it includes a compressor, a four-way valve, an evaporator, an air conditioner and a water tank;

[0005] The compressor is connected to a four-way valve, and a valve and a check valve are arranged on a pipe line 1 connecting one of the pipe ports of the four-way valve and the evaporator; a capillary tube is arranged on a pipe line 2 connecting the water tank and the evaporator;

[0006] Pipeline 3 is also connected to pipe line 2 between the capillary tube and the water tank, pipe line 3 is connected to the air conditioner, valve 5 is arranged on pipe line 3; the air conditioner is connected to the four-way valve;

[0007] Pipeline 4 is connected to pipeline 2 between pipeline 3 and the capillary tube, and one-way valve 2 is arranged on pipeline 4. The other end of pipeline 4 is connected to pipeline 3 between valve 5 and the air conditioner;

[0008] A pipeline 5 is connected to the pipeline 2 between the evaporator and the capillary tube, a valve 4 is arranged on the pipeline 5, and the other end of the valve 4 is connected to the pipeline 3 between the valve 5 and the air conditioner;

[0009] On the pipeline 1 between the four-way valve and the valve 1, a pipeline 6 is connected to the water tank, and a valve 3 is arranged on the pipeline 6;

[0010] On pipeline one between the evaporator and the one-way valve one, pipeline seven is connected to the liquid storage tank to the compressor, and valve two is arranged on pipeline seven; and pipeline eight is connected in the four-way valve, and pipeline eight is connected to pipeline seven between valve two and the liquid storage tank.

[0011] Furthermore, the valve one, valve two, valve three, valve four and valve five are solenoid valves respectively.

[0012] Furthermore, the air conditioner is a central air conditioner.

[0013] Furthermore, the water tank is also connected to a floor heating system.

[0014] Beneficial effects of the utility model:

[0015] 1. The working system of the utility model has a simple pipeline design and uses fewer valves under the condition of achieving multiple operating modes, thereby achieving the effect of reducing costs;

[0016] 2. In the system structure design, a one-way valve is provided at valve one to prevent the medium of the evaporator from flowing to valve one when it passes through valve two to the compressor, causing impact on valve one and causing failure or damage;

[0017] 3. When the air conditioner is only used in heating mode, it can be achieved by piping design and cooperating with one-way valve 2, avoiding the use of two-way valves at valve 4 and valve 5. Compared with one-way valves, two-way valves have lower costs and longer service life, making the entire system run more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structural principle of the utility model;

[0019] Figure 2 This is a schematic diagram of the operating principle of the air conditioning refrigeration and hot air exhaust mode of the utility model;

[0020] Figure 3 This is a schematic diagram of the operating principle of air conditioning cooling and hot water making modes;

[0021] Figure 4 This is a schematic diagram of the operating principle of the air conditioner heating and external cold air exhaust mode;

[0022] Figure 5 This is a schematic diagram of the operating principle of the hot water production mode only;

[0023] In the figure: 1, valve one; 2, valve two; 3, valve three; 4, valve four; 5, valve five; 6, capillary; 7, one-way valve one; 8, one-way valve two. DETAILED DESCRIPTION

[0024] The technical solution of the present invention is further explained below through specific implementation methods.

[0025] Referring to the attached drawings, an air conditioner waste heat recovery multi-mode working system is characterized by comprising a compressor, a four-way valve, an evaporator, an air conditioner and a water tank;

[0026] The compressor is connected to a four-way valve, and a valve 1 and a one-way valve 7 are provided on a pipe line 1 connected between one of the pipe ports of the four-way valve and the evaporator; a capillary tube 6 is provided on a pipe line 2 connected between the water tank and the evaporator;

[0027] Pipeline 3 is also connected to pipe line 2 between the capillary tube 6 and the water tank, and pipe line 3 is connected to the air conditioner. Valve 5 is provided on pipe line 3; the air conditioner is connected to the four-way valve;

[0028] Pipeline 4 is connected to pipeline 2 between pipeline 3 and capillary tube 6, and one-way valve 2 8 is arranged on pipeline 4. The other end of pipeline 4 is connected to pipeline 3 between valve 5 5 and air conditioner;

[0029] A pipeline 5 is connected to the pipeline 2 between the evaporator and the capillary tube 6, a valve 4 4 ​​is arranged on the pipeline 5, and the other end of the valve 4 4 ​​is connected to the pipeline 3 between the valve 5 5 and the air conditioner;

[0030] On the pipeline 1 between the four-way valve and the valve 1, a pipeline 6 is connected to the water tank, and a valve 3 3 is arranged on the pipeline 6;

[0031] On the pipeline 1 between the evaporator and the one-way valve 1, there is connected the pipeline 7 to the liquid storage tank to the compressor, on which the valve 2 2 is arranged; and the pipeline 8 is connected in the four-way valve, and the pipeline 8 is connected to the pipeline 7 between the valve 2 2 and the liquid storage tank.

[0032] The valve 1, valve 2, valve 3, valve 4, valve 5, are solenoid valves respectively.

[0033] In the technical solution of the utility model, the air conditioning waste heat recovery multi-mode working system has the following operating modes:

[0034] One is air conditioning cooling, and the hot air is discharged outside the mode, such as Figure 2 , the operation process is as follows:

[0035] Close valve 2, valve 3, and valve 4; the medium passes from the compressor through the four-way valve, valve 1, and check valve 1 to the evaporator; from the evaporator through the capillary tube 6 and valve 5 to the air conditioner; after the air conditioner cools, it passes through the four-way valve to the liquid storage tank and then to the compressor;

[0036] The second is air conditioning cooling and hot water making mode, such as Figure 3 , the operation process is as follows:

[0037] Close valve one 1, valve two 2 and valve five 5; the medium goes from the compressor, four-way valve to valve three 3 to the water tank for heat exchange, then from the water tank to the capillary 6, valve four 4 to the air conditioner, and after the air conditioner cools, it passes through the four-way valve to the liquid storage tank to the compressor;

[0038] The third is the air conditioning heating and external cooling mode, such as Figure 4 , the operation process is as follows:

[0039] Close valve one 1, valve three 3, valve four 4 and valve five 5; the medium flows from the compressor through the four-way valve to the air conditioner, and then from the air conditioner to the one-way valve two 8, the capillary tube 6 to the evaporator; and from the evaporator to valve two 2 to the liquid storage tank to the compressor.

[0040] The fourth is the hot water only mode, such as Figure 5 , the operation process is as follows:

[0041] Close valve one 1, valve four 4 and valve five 5; the medium goes from the compressor, four-way valve to valve three 3 to the water tank for heat exchange, then from the water tank to the capillary 6 to the evaporator, through valve two 2 to the liquid storage tank to the compressor.

Claims

1. An air conditioning waste heat recovery multi-mode working system, characterized in that: It includes compressor, four-way valve, evaporator, air conditioner and water tank; The compressor is connected to a four-way valve, and a valve and a check valve are arranged on a pipe line 1 connecting one of the pipe ports of the four-way valve and the evaporator; a capillary tube is arranged on a pipe line 2 connecting the water tank and the evaporator; Pipeline 3 is also connected to pipe line 2 between the capillary tube and the water tank, pipe line 3 is connected to the air conditioner, valve 5 is arranged on pipe line 3; the air conditioner is connected to the four-way valve; Pipeline 4 is connected to pipeline 2 between pipeline 3 and the capillary tube, one-way valve 2 is arranged on pipeline 4, and the other end of pipeline 4 is connected to pipeline 3 between valve 5 and the air conditioner; A pipeline 5 is connected to the pipeline 2 between the evaporator and the capillary tube, a valve 4 is arranged on the pipeline 5, and the other end of the valve 4 is connected to the pipeline 3 between the valve 5 and the air conditioner; On the pipeline 1 between the four-way valve and the valve 1, a pipeline 6 is connected to the water tank, and a valve 3 is arranged on the pipeline 6; On pipeline one between the evaporator and the one-way valve one, pipeline seven is connected to the liquid storage tank to the compressor, and valve two is arranged on pipeline seven; and pipeline eight is connected in the four-way valve, and pipeline eight is connected to pipeline seven between valve two and the liquid storage tank.

2. The air conditioning waste heat recovery multi-mode working system according to claim 1, characterized in that: The valve one, valve two, valve three, valve four and valve five are solenoid valves respectively.

3. The air conditioning waste heat recovery multi-mode working system according to claim 1, characterized in that: The air conditioner is a central air conditioner.

4. The air conditioning waste heat recovery multi-mode working system according to claim 1, characterized in that: The water tank is also connected to a floor heating system.

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