CN111895826B

CN111895826B - Unpowered air conditioner

Info

Publication number: CN111895826B
Application number: CN202010679707.5A
Authority: CN
Inventors: 任国银
Original assignee: Nanjing Bailing Automotive Electrical Machinery Co ltd
Current assignee: Nanjing Bailing Automotive Electrical Machinery Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-09-03
Anticipated expiration: 2040-07-15
Also published as: CN111895826A

Abstract

The invention relates to the technical field of heat exchangers, in particular to an unpowered air conditioner, which comprises a liquid collecting pipe and a plurality of radiating pipes, wherein one ends of the radiating pipes are connected with a first liquid collecting pipe, the other ends of the radiating pipes are connected with a second liquid collecting pipe, the inner cavities of the radiating pipes are communicated with the first liquid collecting pipe and the inner cavity of the second liquid collecting pipe, a condensing part capable of accelerating cooling is arranged in a containing cavity of each radiating pipe, cooling liquid evaporated by heating rises through a first channel, a second channel and a third channel to be cooled, the cooled steam is converted into liquid in the rising process, the liquid is retained in a second section of an arc shape of the first channel and the third channel, the pressure in the channels is increased through the evaporated cooling liquid, a film sheet arranged at a liquid discharge port is opened, liquid is discharged from the liquid discharge port, the discharged liquid drops on the outer sides of a first connecting wall and a second connecting wall of a lower condensing cavity, and the first connecting wall and the second connecting wall below are cooled for the second time, and circulating in sequence to make the steam in the condensing cavity quickly cooled and changed into liquid.

Description

Unpowered air conditioner

Technical Field

The invention relates to the technical field of heat exchangers, in particular to an unpowered air conditioner.

Background

Heretofore, chinese utility model patent that patent number is CN201621232030.6 provides a concurrent flow heat exchanger with lead to joining in marriage type pressure manifold, and the pressure manifold outer plate includes that base plate and base plate both ends extend the diaphragm that sets up, is close to the base plate and is equipped with the lock joint groove at the basal portion of diaphragm, and the clip of installing support and the clip of adapter are buckled and are put in the lock joint groove. The transverse plate of the collecting pipe outer sheet is folded outwards and then transversely extended or folded inwards and then transversely extended to form a buckling part, and the collecting pipe inner sheet is buckled on the buckling part of the collecting pipe outer sheet. The utility model discloses the pressure manifold of being connected with installing support and adapter lock improves, designs into the structural style of the interior piece lock pressure manifold outer piece of pressure manifold with the pressure manifold to with the uniform dimension of buckling part of pressure manifold outer piece substrate, the size has just also been unified with the adapter to the installing support of lock joint on the pressure manifold outer piece like this, can use the installing support and the adapter of a specification to the heat exchanger of different specifications like this, does benefit to the input cost that reduces enterprise's inventory and mould equipment. The method aims to reduce the inventory of enterprises and the investment cost of mould equipment. But the problems of low cooling speed and low heat exchange efficiency at present are not solved.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to solve the problems in the prior art and provides an unpowered air conditioner, which comprises a first liquid collecting pipe, a second liquid collecting pipe and a radiating pipe connected between the first liquid collecting pipe and the second liquid collecting pipe, wherein a condensing part capable of accelerating cooling is arranged in the radiating pipe, so that the heat exchange efficiency is improved under the unpowered condition.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An unpowered air conditioner comprises a liquid collecting pipe and a plurality of radiating pipes; the liquid collecting pipe is divided into a first liquid collecting pipe and a second liquid collecting pipe; one end of each radiating pipe is connected with the first liquid collecting pipe, and the other end of each radiating pipe is connected with the second liquid collecting pipe; the first liquid collecting pipe and the second liquid collecting pipe are internally provided with accommodating cavities; the radiating tube is the hollow tube of flat form, and both ends communicate with the chamber that holds of first collector tube and second collector tube respectively about the radiating tube.

Preferably, a condensing part is arranged in the radiating pipe, and an inlet of the condensing part is positioned at the upper part of the second liquid collecting pipe accommodating cavity; a plurality of condensation cavities are arranged in the condensation part, and each condensation cavity comprises a first guide wall, a second guide wall, a first boss and a second boss; the first guide wall is positioned at the right side of the second guide wall, a condensing part inlet is formed between the lower end parts of the first guide wall and the second guide wall, an accommodating cavity is formed in the middle parts of the first guide wall and the second guide wall, and the condensing part inlet is formed at the upper end parts of the first guide wall and the second guide wall; the central lines of the inlet and the outlet of the condensing part are positioned on the same plane; the first boss and the second boss are positioned in the accommodating cavity formed by the first guide wall and the second guide wall; a first channel is formed between the inner wall of the first guide wall and the outer wall of the first boss; a third channel is formed between the inner wall of the second guide wall and the outer wall of the second boss; a second channel is formed between the inner wall of the first boss and the inner wall of the second boss; the upper end and the lower end of the first channel and the third channel are positioned on the left side of the central line of the inlet and the outlet of the condensing part, and the second channel is positioned on the left side of the central line of the inlet and the outlet of the condensing part; the first channel and the third channel can be divided into a first section and a second section in a semicircular arc shape; a liquid outlet is arranged at the lowest point of the second section in the shape of the circular arc; the liquid outlet is provided with a film sheet.

Preferably, the upper end of the condensing part is connected with a discharge channel, and the end part of the discharge channel is connected with a discharge valve; the side wall of the tail end of the discharge channel is provided with a discharge port, and the discharge valve is connected to the discharge port and can be opened and closed.

Preferably, the discharge valve is a one-way silicone membrane.

Preferably, the first and second guide walls are symmetrical with respect to a center line of the inlet and outlet of the condensing part; the first boss is located on the left side of the central line of the inlet and the outlet of the condensing part, and the inner side wall of the second boss is located on the left side of the central line of the inlet and the outlet of the condensing part.

Preferably, the first guide wall and the second guide wall have a curvature at a lower end portion of the inlet, and a cross-sectional area of the inlet passage of the condensing portion is larger than a cross-sectional area of the outlet of the condensing portion.

Preferably, the upper part of the first liquid collecting pipe is provided with a cooling liquid injection port; the cooling liquid injection port is provided with a sealing cover.

3. Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

a unpowered air conditioner comprises a liquid collecting pipe and a plurality of radiating pipes, wherein the liquid collecting pipe is divided into a first liquid collecting pipe and a second liquid collecting pipe, one end of each radiating pipe is connected with the first liquid collecting pipe, the other end of each radiating pipe is connected with the second liquid collecting pipe, inner cavities of the radiating pipes are communicated with the inner cavities of the first liquid collecting pipe and the second liquid collecting pipe, a condensing part capable of accelerating cooling is arranged in a containing cavity of each radiating pipe, cooling liquid evaporated by heating rises through a first channel, a second channel and a third channel to be cooled, the cooled steam is converted into liquid in the rising process, the liquid is retained in a circular arc-shaped second section of the first channel and the third channel, the pressure in the channels is increased through the evaporated cooling liquid, a film sheet arranged at a liquid discharge port is opened, the liquid is discharged from a liquid discharge port, the discharged liquid drops on the outer sides of a first connecting wall and a second connecting wall of a lower condensing cavity, and the first connecting wall and the second connecting wall below the lower connecting wall are cooled for the second time, and circulating in sequence to make the steam in the condensing cavity quickly cooled and changed into liquid. The cooling efficiency is effectively improved.

The utility model provides a power-free air conditioner, be connected with the exhaust passage at the top of condensation portion, remaining steam can increase the pressure in the condensation chamber after condensation many times, the discharge liquid can be opened to the film piece that pressure increases messenger's leakage fluid dram, and the liquid that remaining steam formed after cooling in the exhaust passage can be discharged through the discharge port on the lateral wall of exhaust passage side, set up the pellosil at the discharge port, liquid can open the pellosil through gravity, liquid discharges the back, can seal the discharge port through self gravity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the condensing portion of the present invention;

FIG. 3 is a cross-sectional view of a heat pipe of the present invention;

FIG. 4 is a schematic diagram of the condensation process of the present invention;

FIG. 5 is a schematic view of a closed state of a membrane sheet according to the present invention;

FIG. 6 is a schematic diagram showing an opened state of a thin film sheet according to the present invention

In the figure, 1, a first header pipe; 11. a coolant injection port;

2. a second liquid collecting pipe;

4. a radiating pipe; 41. a condensing part, 41a, a first passage, 41b, a second passage, 41c, a third passage, 41d, a discharge passage, 41d1, a discharge port, 411, a first guide wall, 412, a second guide wall, 413, a first boss, 414, a second boss, 42, a thin film sheet, 43, a discharge valve.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

As shown in fig. 1 to 6, an unpowered air conditioner includes a header pipe and a plurality of radiating pipes 4. Wherein, the collector tube divide into first collector tube 1 and

second collector tube

2, and 4 one end of every cooling tube is connected with first collector tube 1 respectively, and the other end is connected with second collector tube 2 respectively. All be equipped with in first collector tube 1 and the second collector tube 2 and hold the chamber, can be used for holding the coolant liquid, cooling tube 4 is the hollow tube of flat form, and both ends communicate with the chamber that holds of first collector tube 1 and second collector tube 2 respectively about cooling tube 4. The coolant is injected into the first header pipe 1 through the coolant injection port 11, and the coolant flows into the second header pipe 2 through the radiating pipe 4. Moreover, as a result of a plurality of experiments by those skilled in the art, the amount of the injected cooling liquid is controlled to be greater than 1/3 of the total capacity and less than 3/4 of the total capacity, and the injected amount is in a cooling optimal state. The port of the coolant injection port 11 is sealed by a seal cap after the injection is completed. The position of the inlet 11 is preferably located at a position 2/5 in the longitudinal direction of the first header pipe 1.

Specifically, 4 flat pipelines of cooling tube are equipped with condensing part 41 in cooling tube 4, and the coolant liquid that is arranged in second collector tube 2 is through being heated the back, becomes gaseous state and rises and enter into condensing part 41 and carry out the heat exchange. The inlet of the condensing part 41 is located at the upper part of the second liquid collecting 2 accommodating cavity, in order to better circulate the gaseous cooling liquid into the condensing part 41, the port of the condensing part 41 is provided with a first guide wall 411 and a second guide wall 412, the first guide wall 411 and the second guide wall 412 are located at the port of the condensing part 41 and are in a horn shape, the port part is the largest, and the guiding effect can be achieved to enable the cold gas liquid vapor to better enter the condensing part 41. The inlet cross-sectional area of the condensing portion 41 is larger than the outlet cross-sectional area.

Specifically, a plurality of condensation chambers are disposed in the condensation portion 41, and each condensation chamber includes a first guide wall 411, a second guide wall 412, a first boss 413, and a second boss 414. Wherein the first guide wall 411 is located at the left side of the second guide wall 412, an inlet of the condensing part 41 is formed between the lower end of the first guide wall 411 and the lower end of the second guide wall 412, an accommodating chamber is formed in the middle of the first guide wall 411 and the second guide wall 412, and an outlet of the condensing part 41 is formed between the upper end of the first guide wall 411 and the upper end of the second guide wall 412. The center lines of the inlet and the outlet of the condensation part 41 are located on the same plane, and the first guide wall 411 and the second guide wall 412 are symmetrical with respect to the center lines of the inlet and the outlet of the condensation part 41.

Specifically, the first boss 413 and the second boss 414 are located in the middle of the first guide wall 411 and the second guide wall 412 to form a receiving cavity. A first passage 41a is formed between an outer side wall of the first boss 413 and an inner wall of the first guide wall 411, a third passage 41c is formed between an outer side wall of the second boss 414 and an inner wall of the second guide wall 412, and a second passage 41b is formed between an inner wall of the first boss 413 and an inner wall of the second boss 414. The first passage 41a, the second passage 41b and the first boss 413 are located at the left side of the center line of the inlet and the outlet of the condensation part 41, and the upper end point of the first boss 413 is lower than the upper end point of the second boss 414 and the lower end point of the second boss 413 is lower than the lower end point of the second boss 414. The first guide wall 411 and the second guide wall 412 are divided into a first section and a second section having a semicircular arc shape, and the inner sides of the first boss 413 and the second boss are located on the left side of the center line of the inlet and the outlet of the condensation portion 41, so that when the coolant vapor is changed into a liquid state after heat exchange and falls down, liquid droplets flow into the lowest point of the second section having the circular arc shape on the first guide wall 411 and the second guide wall 412 along the inner and outer sidewalls of the first boss 413 and the second boss 414. A liquid discharge hole 41e is formed at the lowest point of the second section of the arc shape, a film 42 is mounted on the liquid discharge hole 41e, the film 42 is opened by the coolant liquid collected at the liquid discharge port 41e through the self gravity, and the liquid drops are discharged from the liquid discharge port 41e and drop on the outer walls of the first guide wall 411 and the second guide wall 412 at the lower part, so that the cooling part 41 is cooled for multiple times, and the cooling efficiency is effectively improved. The membrane 42 is a one-way valve and the membrane 42 can only be opened by the self-weight of the liquid formed by the cooling liquid in the receiving chamber.

Specifically, be equipped with a plurality of condensation chambeies in the condensation portion 41, carry out the heat exchange through a plurality of condensation chambeies to the steam of coolant liquid, have discharge passage 41d at the condensation chamber exit linkage of the top, can discharge remaining coolant liquid steam through discharge passage 41d, have discharge port 41d1 on discharge passage 41 d's port side, discharge port 41d1 installs can be through the closed pellosil check valve 43 of dead weight. When the pressure in the accommodating cavity is increased, after the liquid is discharged from the liquid outlet 41e, in order to prevent the thin film 42 from being opened by the steam under the pressure of the accommodating cavity, the silicone film check valve 43 located at the discharge port 41d1 can swing left and right under the action of a certain pressure, so that the excessive gas can be discharged, and the liquid condensed at the top end can be discharged from the discharge port 41d 1.

The cooling liquid flowing in through the discharge port 41d1 and the liquid discharge port 41e flows through the first guide wall 411 and the second guide wall 412 and then is collected in the second liquid collecting pipe 2, and the cooling liquid in the second liquid collecting pipe 2 can be evaporated and refluxed for multiple times of recycling, so that the rapid cooling is effectively realized.

The foregoing is only a preferred embodiment of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. An unpowered air conditioner is characterized by comprising a liquid collecting pipe and a plurality of radiating pipes (4);

the liquid collecting pipe is divided into a first liquid collecting pipe (1) and a second liquid collecting pipe (2);

one end of each radiating pipe (4) is connected with the first liquid collecting pipe (1), and the other end of each radiating pipe is connected with the second liquid collecting pipe (2);

accommodating cavities are formed in the first liquid collecting pipe (1) and the second liquid collecting pipe (2);

the radiating pipe (4) is a flat hollow pipe, and the upper end and the lower end of the radiating pipe (4) are respectively communicated with the containing cavities of the first liquid collecting pipe (1) and the second liquid collecting pipe (2);

a condensing part (41) is arranged in the radiating pipe (4), and an inlet of the condensing part (41) is positioned at the upper part of the accommodating cavity of the second liquid collecting pipe (2); a plurality of condensation cavities are arranged in the condensation part (41), and each condensation cavity comprises a first guide wall (411), a second guide wall (412), a first boss (413) and a second boss (414);

the first guide wall (411) is positioned at the right side of the second guide wall (412), an inlet of the condensation part (41) is formed between the lower ends of the first guide wall (411) and the second guide wall (412), a containing cavity is formed in the middle of the first guide wall (411) and the second guide wall (412), and an outlet of the condensation part (41) is formed at the upper ends of the first guide wall (411) and the second guide wall (412);

the inlet and outlet center lines of the condensing part (41) are positioned on the same plane;

the first boss (413) and the second boss (414) are positioned in a containing cavity formed by the first guide wall (411) and the second guide wall (412);

a first channel (41 a) is formed between the inner wall of the first guide wall (411) and the outer wall of the first boss (413);

a third channel (41 c) is formed between the inner wall of the second guide wall (412) and the outer wall of the second boss (414);

a second channel (41 b) is formed between the inner wall of the first boss (413) and the inner wall of the second boss (414);

the upper and lower ends of the first passage (41 a) and the third passage (41 c) are positioned on the left side of the inlet and outlet center lines of the condensation part (41), and the second passage (41 b) is positioned on the left side of the inlet and outlet center lines of the condensation part (41); the first channel (41 a) and the third channel (41 c) are divided into a first section and a second section in the shape of a semicircular arc;

a liquid outlet (41 e) is arranged at the lowest point of the second section of the arc shape;

a film sheet (42) is attached to the liquid discharge port (41 e).

2. An unpowered air conditioner according to claim 1, characterized in that the upper end of the condensation section (41) is connected with a discharge channel (41 d), and the end of the discharge channel (41 d) is connected with a discharge valve (43);

the end side wall of the discharge channel (41 d) is provided with a discharge port (41 d 1), and a discharge valve (43) is connected to the discharge port (41 d 1) and can be opened and closed.

3. An unpowered air conditioner according to claim 2, characterized in that the discharge valve (43) is a one-way silicone membrane.

4. An unpowered air conditioner according to claim 1, characterized in that the first guide wall (411) and the second guide wall (412) are symmetrical about a center line of an inlet and an outlet of the condensation section (41); the first boss (413) is located on the left side of the inlet and outlet center lines of the condensing part (41), and the inner side wall of the second boss (414) is located on the left side of the inlet and outlet center lines of the condensing part (41).

5. An unpowered air conditioner according to claim 1, wherein the first guide wall (411) and the second guide wall (412) are curved at the lower end of the inlet, and the cross-sectional area of the inlet passage of the condensing part (41) is larger than the cross-sectional area of the outlet of the condensing part (41).

6. An unpowered air conditioner according to claim 1, characterized in that the first header pipe (1) is provided at an upper portion thereof with a coolant inlet (11); the cooling liquid injection port (11) is provided with a sealing cover.