CN212842327U

CN212842327U - Energy-saving multilayer parallel flow evaporator

Info

Publication number: CN212842327U
Application number: CN202021338164.2U
Authority: CN
Inventors: 何根平; 郭术忠; 王一兵; 叶健杰; 刘燕伟; 周谊赋; 何铭鸣; 何青青
Original assignee: Zhejiang Lantong Air Conditioning Equipment Co ltd
Current assignee: Zhejiang Lantong Air Conditioning Equipment Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-30
Anticipated expiration: 2030-07-09

Abstract

The utility model provides an energy-saving multilayer parallel flow evaporator, which comprises a liquid collecting pipe, wherein a collecting pipe is welded on the inner wall of one side of the liquid collecting pipe, a flow-transmitting pipe is welded on one side wall of the collecting pipe and positioned inside the liquid collecting pipe, and a flow-dividing pipe is welded on the inner wall of one end of the flow-transmitting pipe and positioned on the other side of the liquid collecting pipe; one end of the shunt pipe is located on the surface of the liquid collecting pipe, the flat pipe is welded on the surface of the outlet liquid collecting pipe in a penetrating mode, and fins are arranged on the surface of the flat pipe. The utility model discloses the collecting pipe, the setting of flow tube and shunt tubes, through the structure of converging directly with the body inside carry out whole gathering via the gas that the expansion valve sent out, improve the whole gathering nature of the inside air current of device, avoid because the long problem of transmission time consuming of gas dispersion then transmission formation appears, reduce the whole transmission time consuming of device, improve transmission efficiency.

Description

Energy-saving multilayer parallel flow evaporator

Technical Field

The utility model belongs to the technical field of the vehicle air conditioner evaporimeter, especially, relate to an energy-saving multilayer parallel flow evaporimeter that connects in parallel.

Background

The evaporator is one of heat exchange devices in an automobile air-conditioning system, and the automobile air-conditioning evaporator is used for evaporating low-pressure refrigerant from an expansion valve and absorbing heat of air in the automobile so as to achieve the purpose of realizing temperature reduction in the automobile through heat exchange; the parallel flow heat exchanger is a micro-channel heat exchanger, which is a high-efficiency air-cooled heat exchanger developed and developed by a tube-and-band heat exchanger; the parallel flow heat exchanger consists of flat pipes and wave-shaped fins, shutter slots are arranged on the radiating fins, and collecting pipes are arranged at two ends of the radiating fins; if no partition plate is inserted into the collecting pipe, the unit parallel flow mode is adopted, and the refrigerant only flows through one flow path from the inlet to the outlet; if the collecting pipe is divided into a plurality of sections by the partition plates, the collecting pipe is of a multi-element parallel flow type and has a plurality of flows, the number of pipes of each flow is usually different, the volume utilization efficiency of the heat exchanger can be improved, the effect of enhancing heat transfer is achieved, and the air side adopts the corrugated multi-shutter fins to effectively destroy the air flow boundary layer, increase disturbance and increase the convection heat transfer coefficient; the size of the porous flat tube on the windward section is very small, and the vortex on the leeward side can be greatly weakened, so that the flow resistance on the air side is reduced.

Chinese patent publication No. CN 203011013U discloses a multilayer parallel-flow evaporator, belonging to the fittings of automobile air conditioners, wherein 2-5 parallel-flow evaporator cores are welded into a whole in parallel, and the distance between every two adjacent parallel-flow evaporator cores is in the range of 1mm to 50 mm; one inserted end of the refrigerant outflow end is inserted into a refrigerant outflow hole on the left collecting pipe of each parallel flow evaporator core body and is communicated with the left collecting pipe in a welding way; one end of a refrigerant inflow pipe is inserted into a refrigerant inflow hole of a left collecting pipe of a core body of each parallel flow evaporator, and is communicated with the left collecting pipe in a welding mode.

Therefore, it is necessary to invent a condenser for an air conditioner of an automobile.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a parallelly connected parallel flow evaporimeter of energy-saving multilayer to solving current lightweight heat dissipation condenser and still having the singleness and dispel the heat through radiating fin, the heat dissipation function singleness leads to the radiating efficiency to receive the problem of restriction. The energy-saving multilayer parallel flow evaporator comprises a liquid collecting pipe, wherein a collecting pipe is welded on the inner wall of one side of the liquid collecting pipe, a flow-transmitting pipe is welded on one side wall of the collecting pipe and positioned inside the liquid collecting pipe, and a flow dividing pipe is welded on one end of the flow-transmitting pipe and positioned on the inner wall of the other side of the liquid collecting pipe; one end of the flow dividing pipe is positioned on the surface of the liquid collecting pipe and is welded with a flat pipe in a penetrating way, one end of the flat pipe is welded on the surface of the outlet liquid collecting pipe in a penetrating way, and a fin is arranged on the surface of the flat pipe; the length of the outlet liquid collecting pipe is consistent with that of the liquid collecting pipe, sealing covers for sealing are welded at two ends of the outlet liquid collecting pipe respectively, and the sealing covers are welded at two ends of the liquid collecting pipe respectively; a connecting port for welding the flow transmission pipe is formed in the surface of one side of the flow dividing pipe, the connecting port is provided with a hole in a circular structure, the radius of the inner wall of the connecting port is equal to the radius of the outer wall of the flow transmission pipe, the connecting port is positioned right behind the flow transmission pipe, and the circle center of the connecting port is superposed with the center point of the flow dividing pipe; and a flow guide opening for welding the flat pipe is formed in the surface of the other side of the flow dividing pipe.

The flow dividing pipe is made of aluminum with a rectangular structure, one side wall of the flow dividing pipe is attached to one side wall of the liquid collecting pipe, and the length of the flow dividing pipe is consistent with the linear distance from the upper edge of the flat pipe at the uppermost end to the lower edge of the flat pipe at the lowermost end; a cavity within 3cm is arranged in the shunt pipe; each shunt tube is respectively arranged inside each liquid collecting tube.

The collecting pipe is an aluminum pipe with a 7-shaped structure, one side wall of the collecting pipe is attached to one side wall of the liquid collecting pipe, and the bottom end of the collecting pipe and the bottom end wall of the flow transmission pipe are located on the same horizontal line.

The flow transmission pipe is made of aluminum with a tubular structure, the center of the radius of the pipe body of the flow transmission pipe is located on the center line of the short side of the liquid collecting pipe, and the length of the flow transmission pipe is within 2 cm.

The flow guide port is formed by a rectangular structure, the total number of the flow guide ports is consistent with that of the flat pipes, and the outer wall of the flow guide port is welded on the inner wall of the flat pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses the setting of collecting pipe, through the structure of converging directly with the body inside the gas that sees off via the expansion valve whole gathering, improve the whole gathering nature of the inside air current of device, avoid because gas dispersion then the transmission that the transmission formed consumes long problem to appear, reduce the whole transmission of device and consume when, improve transmission efficiency.

2. The utility model discloses the setting of flow transmission pipe utilizes the body structure to realize the integral connection with gathering structure and reposition of redundant personnel structure, and the gaseous whole after converging gets into the reposition of redundant personnel structure, realizes festival quick input with the flat pipe of rear end, improves the whole transmissibility and the stability of device.

3. The utility model discloses the setting of shunt tubes adopts the whole gas transmission efficiency of pertinence structure improvement device, avoids current structure refrigerant to get into ageing long, and the not good problem of refrigeration effect that the cycle length of doing work leads to.

Drawings

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

Fig. 2 is a schematic diagram of the left side structure of the shunt inductor in fig. 1 according to the present invention.

Fig. 3 is a schematic diagram of the right side structure of the shunt tube of fig. 1 according to the present invention.

Fig. 4 is a side view schematic diagram of the liquid collecting tube of the utility model.

In the figure:

1-a liquid collecting pipe, 2-a collecting pipe, 3-a flow transfer pipe, 4-a flow transfer pipe, 41-a connecting port, 42-a flow guide port, 5-a flat pipe, 6-a fin and 7-an outlet liquid collecting pipe.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, 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 efforts shall belong to the protection scope of the present invention.

As shown in figures 1 to 4.

The utility model provides an energy-saving multilayer parallel flow evaporator, which comprises a liquid collecting pipe 1, wherein a collecting pipe 2 is welded on the inner wall of one side of the liquid collecting pipe 1, a flow-transmitting pipe 3 is welded on one side wall of the collecting pipe 2 and positioned inside the liquid collecting pipe 1, and a flow-dividing pipe 4 is welded on the inner wall of one end of the flow-transmitting pipe 3 and positioned on the other side of the liquid collecting pipe 1; one end of the shunt tube 4 is positioned on the surface of the liquid collecting tube 1 and is welded with a flat tube 5 in a penetrating way, one end of the flat tube 5 is welded on the surface of an outlet liquid collecting tube 7 in a penetrating way, and a fin 6 is arranged on the surface of the flat tube 5; the length of the outlet liquid collecting pipe 7 is consistent with that of the liquid collecting pipe 1, sealing covers for sealing are welded at two ends of the outlet liquid collecting pipe 7 respectively, and the sealing covers are welded at two ends of the liquid collecting pipe 1 respectively; a connecting port 41 for welding the flow transmission pipe 3 is formed in the surface of one side of the flow dividing pipe 4, the connecting port 41 is a circular structure, the radius of the inner wall of the connecting port 41 is equal to the radius of the outer wall of the flow transmission pipe 3, the connecting port 41 is positioned right behind the flow transmission pipe 3, and the center of the connecting port 41 is overlapped with the center point of the flow dividing pipe 4; and a flow guide opening 42 for welding the flat pipe 5 is formed in the surface of the other side of the flow division pipe 4.

When doing work, the evaporator enters the inside of the liquid collecting pipe 1 through the inlet on the surface of the liquid collecting pipe 1, after the convergence of the collecting pipe 2 is carried out on the gas, the gas is transmitted to the inside of the shunt pipe 4 through the whole transmission of the flow transfer pipe 3, and after the gas is dispersed in the cavity inside the shunt pipe 4 for a short time, the gas enters the inside of the flat pipe 5 through the flow guide port 42, and finally flows out through the outlet of the outlet liquid collecting pipe 7 after doing work on the surface of the evaporator.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. Energy-saving multilayer parallel flow evaporator, including collector tube (1), its characterized in that: a collecting pipe (2) is welded on the inner wall of one side of the liquid collecting pipe (1), a flow transfer pipe (3) is welded on the inner wall of one side of the collecting pipe (2) and positioned inside the liquid collecting pipe (1), and a flow dividing pipe (4) is welded on the inner wall of one end of the flow transfer pipe (3) and positioned on the other side of the liquid collecting pipe (1); one end of the shunt tube (4) is positioned on the surface of the liquid collecting tube (1) and is welded with a flat tube (5) in a penetrating way, one end of the flat tube (5) is welded on the surface of the outlet liquid collecting tube (7) in a penetrating way, and a fin (6) is arranged on the surface of the flat tube (5); the length of the outlet liquid collecting pipe (7) is consistent with that of the liquid collecting pipe (1), sealing covers for sealing are welded at two ends of the outlet liquid collecting pipe (7) respectively, and the sealing covers are welded at two ends of the liquid collecting pipe (1) respectively; a connecting port (41) for welding the flow transmission pipe (3) is formed in the surface of one side of the flow distribution pipe (4), the connecting port (41) is provided with a hole in a circular structure, the radius of the inner wall of the connecting port (41) is equal to the radius of the outer wall of the flow transmission pipe (3), the connecting port (41) is positioned right behind the flow transmission pipe (3), and the circle center of the connecting port (41) is superposed with the central point of the flow distribution pipe (4); and a flow guide opening (42) for welding the flat pipe (5) is formed in the surface of the other side of the flow division pipe (4).

2. The energy efficient multi-layer parallel flow evaporator as set forth in claim 1, wherein: the shunt tubes (4) are made of aluminum with a circular structure, one side wall of each shunt tube (4) is attached to one side wall of the liquid collecting tube (1), and the length of each shunt tube (4) is consistent with the linear distance from the upper edge of the flat tube (5) at the uppermost end to the lower edge of the flat tube (5) at the lowermost end; a cavity within 3cm is arranged in the shunt pipe (4).

3. The energy efficient multi-layer parallel flow evaporator as set forth in claim 1, wherein: the collecting pipe (2) is an aluminum pipe of a 7-shaped structure, one side wall of the collecting pipe (2) is attached to one side wall of the liquid collecting pipe (1), and the bottom end of the collecting pipe (2) and the bottom end wall of the flow transfer pipe (3) are located on the same horizontal line.

4. The energy efficient multi-layer parallel flow evaporator as set forth in claim 1, wherein: the flow transfer pipe (3) is made of aluminum with a tubular structure, the center of the radius of the pipe body of the flow transfer pipe (3) is located on the center line of the short side of the liquid collecting pipe (1), and the length of the flow transfer pipe (3) is within 2 cm.

5. The energy efficient multi-layer parallel flow evaporator as set forth in claim 1, wherein: the flow guide openings (42) are formed in a circular structure, the total number of the flow guide openings (42) is consistent with that of the flat pipes (5), and the outer walls of the flow guide openings (42) are welded on the inner walls of the flat pipes (5).