Fluid switching pipeline capable of being switched conveniently, heat exchange device and air conditioning system
阅读说明:本技术 可便捷切换的流体切换管道及换热装置、空调系统 (Fluid switching pipeline capable of being switched conveniently, heat exchange device and air conditioning system ) 是由 周镜明 何伟光 郭改革 梅进忠 林增权 于 2019-10-16 设计创作,主要内容包括:本发明公开了可便捷切换的流体切换管道及换热装置、空调系统。所述的流体切换管道,包括第一、第二竖管。这两根竖管的上部连接有串联的第一、第二三通阀,下部连接有串联的第三、第四三通阀;第一和第四三通阀的两接口用于对外连接,第二、第三三通阀的两接口各自对应连接第一、第二竖管。本发明通过上下设置的两对三通阀可便捷的切换流经换热装置的不同换热介质,功能增强。可根据外部相关联设备的位置来安装,合理切换竖管上下的三通阀,就可以保证风与管道内换热介质的最佳换热效率。并克服了现有技术的“左式、右式”换热装置造成的无互换性,成本高的问题。(The invention discloses a fluid switching pipeline capable of being switched conveniently, a heat exchange device and an air conditioning system. The fluid switching pipeline comprises a first vertical pipe and a second vertical pipe. The upper parts of the two vertical pipes are connected with a first three-way valve and a second three-way valve which are connected in series, and the lower parts of the two vertical pipes are connected with a third three-way valve and a fourth three-way valve which are connected in series; the two interfaces of the first and fourth three-way valves are used for connecting with the outside, and the two interfaces of the second and third three-way valves are respectively and correspondingly connected with the first and second vertical pipes. According to the invention, different heat exchange media flowing through the heat exchange device can be conveniently switched by the two pairs of three-way valves arranged up and down, so that the function is enhanced. The device can be installed according to the position of external associated equipment, and the three-way valves above and below the vertical pipe are reasonably switched, so that the optimal heat exchange efficiency of the air and the heat exchange medium in the pipeline can be ensured. And the problems of no interchangeability and high cost caused by a left-type and a right-type heat exchange devices in the prior art are solved.)
1. A fluid switching pipeline comprises a first vertical pipe and a second vertical pipe, and is characterized in that the upper parts of the two vertical pipes are connected with a first three-way valve and a second three-way valve which are connected in series, and the lower parts of the two vertical pipes are connected with a third three-way valve and a fourth three-way valve which are connected in series; the two interfaces of the first and fourth three-way valves are used for connecting with the outside, and the two interfaces of the second and third three-way valves are respectively and correspondingly connected with the first and second vertical pipes.
2. A fluid switching conduit according to claim 1, wherein said three-way valve is an automatic three-way ball valve.
3. A fluid switching conduit according to claim 1 wherein the connecting line between said first and second three-way valves is provided with a bleed valve.
4. The fluid switching conduit as claimed in claim 1, wherein a connection pipe between the third three-way valve and the fourth three-way valve is provided with a drain bolt.
5. A heat exchange device comprising a heat exchange device body, characterized in that one side of the heat exchange device body is provided with a fluid switching conduit as claimed in any one of claims 1 to 4.
6. An air conditioning system comprising the heat exchange device of claim 5.
Technical Field
The invention relates to the technical field of refrigeration, in particular to a left-right universal fluid switching pipeline capable of conveniently switching heat exchange media, a heat exchange device with the fluid switching pipeline and an air conditioning system with the heat exchange device.
Background
At present, a central air-conditioning system mostly adopts two heat exchange devices of a surface cooler and a steam coil for heat exchange. The surface cooler uses water as a medium for heat exchange, and the steam coil uses steam as a medium for heat exchange. The surface air cooler can be used for refrigerating and heating of the air conditioning system, the steam coil is only used for heating of the air conditioning system, and the heating effect is superior to that of the surface air cooler. As shown in fig. 1 and 2, the heat exchanger includes a heat exchanger
When the heat exchanger is assembled, the two vertical pipes are positioned at the left side or the right side of the heat exchanger main body, and the heat exchanger can be divided into a left type heat exchanger or a right type heat exchanger. The vertical pipe with the
Therefore, how to overcome the defects that the left and right structures of the existing heat exchange device cannot be universally installed with a matching system and the production efficiency is low; the defect that the gas-liquid medium can not be switched and the function is single is a problem to be solved urgently in the industry.
Disclosure of Invention
The invention aims to solve the problems that the left and right structures of the existing heat exchange device cannot be universally installed with a matching system, and the production efficiency is low; the technical problems that gas-liquid media cannot be switched and the functions are single are solved, and the fluid switching pipeline, the heat exchange device and the air conditioning system are provided, wherein the left and right structures of the heat exchange device can be universally installed with a matched system, the production efficiency is high, and the gas-liquid media are convenient to switch.
The invention provides a fluid switching pipeline which comprises a first vertical pipe and a second vertical pipe. The upper parts of the two vertical pipes are connected with a first three-way valve and a second three-way valve which are connected in series, and the lower parts of the two vertical pipes are connected with a third three-way valve and a fourth three-way valve which are connected in series; the two interfaces of the first and fourth three-way valves are used for connecting with the outside, and the two interfaces of the second and third three-way valves are respectively and correspondingly connected with the first and second vertical pipes.
Preferably, the three-way valve can be an automatic three-way ball valve.
Preferably, a gas release valve can be arranged on the connecting pipe between the first three-way valve and the second three-way valve.
Preferably, a water discharging bolt can be arranged on the lower side of the connecting pipe between the third three-way valve and the fourth three-way valve.
The invention provides a heat exchange device which comprises a heat exchange device main body, wherein a fluid switching pipeline is arranged on one side of the heat exchange device main body.
The invention also provides an air conditioning system with the heat exchange device.
After the heat exchange device of the fluid switching pipeline is installed in the unit, the inlet and outlet positions of fluid media, namely liquid or gas, can be conveniently switched through the two three-way valves which are arranged on the upper part and the lower part of the two vertical pipes and are connected in series, so that the heat exchange media flowing through the heat exchange device can be switched. The heat exchange device adopts a liquid medium during refrigeration, so that a better refrigeration effect is achieved; and a gaseous medium is adopted during heating, so that a heating effect superior to that of a common surface cooler is achieved, and the function is enhanced. The heat exchange device adopting the fluid switching pipeline can be conveniently installed according to the position of a pipeline for supplying fluid media from the outside, and liquid can enter and exit from the top or gas can enter and exit from the bottom only by reasonably switching four sets of three-way valves on the vertical pipe, and heat exchange media can enter from a rear pipeline on the windward side of the heat exchange device and can be discharged from a front pipeline. The optimal heat exchange efficiency of the wind and the heat exchange medium in the pipeline can be ensured by switching. The problems of no interchangeability and high production cost caused by the left-type and right-type heat exchange devices in the prior art are also solved.
Drawings
FIG. 1 is a front view of a prior art left heat exchange unit;
FIG. 2 is a perspective view of the rear projection of FIG. 1;
FIG. 3 is a front view of a prior art right heat exchange apparatus;
FIG. 4 is a perspective view of the rear projection of FIG. 3;
FIG. 5 is a schematic view of an embodiment of a fluid switching conduit of the present invention;
FIG. 6 is a schematic perspective view of an embodiment of a heat exchange apparatus of the present invention;
FIG. 7 is a front view of an embodiment of a heat exchange apparatus of the present invention;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;
fig. 9 is a schematic view of a flow path of a heat exchange medium when the heat exchange device of the present invention is in operation.
Wherein, 1, 2-the first, the second three-way valve; 3. 4-third, fourth three-way valves; 5-a heat exchange device body;
6. 7-first and second standpipes; 8, a front row of heat exchange pipelines in the heat exchange device main body; 9-rear row heat exchange pipes in the main body of the heat exchange device; 10. 11-a first and a second connector externally connected with the first three-way valve; 12. 13-a third interface and a fourth interface externally connected with a fourth three-way valve; 14-a purge valve; 15-water discharging bolt.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 5, a fluid switching pipeline for a heat exchanger according to the present invention includes a first
In this embodiment, the three-way valve can be an automatic three-way ball valve, that is, the three-way valve can rotate to control the communication direction of the ball valve through a motor connected with a ball valve core of the three-way valve, so as to control the flow direction of the heat exchange medium flowing through the three-way valve. When the first three-
As shown in fig. 6 and 7, the present invention provides a heat exchange device, which includes a heat exchange device
The gas and liquid medium switching of the heat exchange device is as follows: with reference to fig. 6 and 7, the heat exchanger is installed in the unit, and the wind direction is a positive wind direction, i.e. the wind direction entering from the plane of the heat exchanger
The functional forms of the heat exchange device of the invention are shown in table 1 in combination with fig. 9. In fig. 7, the wind entering the plane of the heat exchanger
TABLE 1
From the above, the opening and closing channels of the four three-way valves can be controlled by the computer, so that the circulation path of the heat exchange medium in the heat exchange device is controlled, and the switching of the four functional forms is realized. Can realize heat transfer medium's switching, can also realize the switching of first, second standpipe flow direction. The invention also provides an air conditioning system with the heat exchange device.
After the heat exchange device of the fluid switching pipeline is installed in the unit, the inlet and outlet positions of fluid media, namely liquid or gas, can be conveniently switched through the two three-way valves which are arranged on the upper part and the lower part of the two vertical pipes and are connected in series, so that the switching of different heat exchange media flowing through the heat exchange device is realized, and the function is enhanced. The heat exchange device of the fluid switching pipeline can be installed according to the position of a pipeline for supplying fluid media from the outside, and the optimal heat exchange efficiency of wind and the heat exchange media in the pipeline can be ensured as long as the four sets of three-way valves on the upper part and the lower part of the vertical pipe are reasonably switched. The problems of no interchangeability and high cost caused by the left-type and right-type heat exchange devices in the prior art are also solved.
The above examples are intended only to illustrate specific embodiments of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the inventive concept, and these modifications and variations shall fall within the protective scope of the present invention.
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