CN110094543B - Slider type heat insulation reversing valve and high-low temperature conversion system - Google Patents
Slider type heat insulation reversing valve and high-low temperature conversion system Download PDFInfo
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- CN110094543B CN110094543B CN201910362115.8A CN201910362115A CN110094543B CN 110094543 B CN110094543 B CN 110094543B CN 201910362115 A CN201910362115 A CN 201910362115A CN 110094543 B CN110094543 B CN 110094543B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 9
- 238000009413 insulation Methods 0.000 title claims abstract description 6
- 238000012360 testing method Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
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Abstract
Description
技术领域technical field
本发明涉及产品性能测试设备技术领域,具体涉及一种滑块式绝热换向阀及高低温转换系统。The invention relates to the technical field of product performance testing equipment, in particular to a slider type adiabatic reversing valve and a high and low temperature conversion system.
背景技术Background technique
在产品性能的考核中,有一类高低温试验,即将样品放入试验箱内,箱体通常与一套热风产生装置和一套冷风产生装置相连,以相等的时间间隔,交替通入热风和冷风,并控制在设定的温度值,达到一定的循环次数,但是,一般的高低温试验装置结构复杂,高低温转换操作不便,影响试验结果。In the assessment of product performance, there is a type of high and low temperature test, that is, the sample is put into the test box, and the box is usually connected with a set of hot air generation device and a set of cold air generation device, and the hot air and cold air are alternately introduced at equal time intervals. , and controlled at the set temperature value to achieve a certain number of cycles, but the general high and low temperature test device has a complex structure, and the high and low temperature conversion operation is inconvenient, which affects the test results.
专利CN 105425868 A公开了一种连续性高低温试验装置,包括壳体、两级制热循环装置、两级制冷循环装置和控制装置,所述两级制热循环装置包括初级制热循环装置、初级制热控制装置、次级制热循环装置和次级制热控制装置,所述两级制冷循环装置包括初级制冷循环装置、初级制冷控制装置、次级制冷循环装置和次级制冷控制装置,该装置实现了多种升温、降温模式,实现了温度连续性变化,但该装置无法同时满足冷、热风两套气路的循环。Patent CN 105425868 A discloses a continuous high and low temperature test device, comprising a shell, a two-stage heating cycle device, a two-stage refrigeration cycle device and a control device, the two-stage heating cycle device includes a primary heating cycle device, a primary heating control device, a secondary heating cycle device and a secondary heating control device, the two-stage refrigeration cycle device includes a primary refrigeration cycle device, a primary refrigeration control device, a secondary refrigeration cycle device and a secondary refrigeration control device, The device realizes a variety of heating and cooling modes, and realizes the continuous change of temperature, but the device cannot satisfy the circulation of two sets of gas circuits of cold and hot air at the same time.
发明内容SUMMARY OF THE INVENTION
本发明的目的就是为了解决上述问题而提供一种滑块式绝热换向阀及高低温转换系统,使装置简化,并平稳运行。The purpose of the present invention is to provide a slider-type adiabatic reversing valve and a high-low temperature switching system in order to solve the above problems, so that the device can be simplified and run smoothly.
本发明的目的通过以下技术方案实现:The object of the present invention is achieved through the following technical solutions:
一种滑块式绝热换向阀,包括:A slider type adiabatic reversing valve, comprising:
一下阀体,内部设有多个独立的下阀体腔室;The lower valve body is provided with multiple independent lower valve body chambers;
多个风管,对称连接于所述下阀体的两侧,且每个风管均与每个下阀体腔室相连通;及a plurality of air ducts symmetrically connected to both sides of the lower valve body, and each air duct communicates with each lower valve body chamber; and
一上阀体,内部设有多个独立的上阀体腔室,所述上阀体滑动设于所述下阀体上部,an upper valve body with a plurality of independent upper valve body chambers inside, the upper valve body is slidably arranged on the upper part of the lower valve body,
所述上阀体腔室与下阀体腔室相互配合,所述上阀体与下阀体相对位置改变时,形成多种不同的循环通路。The upper valve body chamber and the lower valve body chamber cooperate with each other, and when the relative positions of the upper valve body and the lower valve body change, various circulation passages are formed.
所述上阀体上设有推拉杆,所述推拉杆与驱动机构相连接。The upper valve body is provided with a push-pull rod, and the push-pull rod is connected with the driving mechanism.
所述上阀体、下阀体与风管均为金属材质制得,外部设有外绝热层,内部设有内绝热层。The upper valve body, the lower valve body and the air duct are all made of metal material, an outer heat insulating layer is provided outside, and an inner heat insulating layer is provided inside.
所述上阀体与下阀体之间通过密封滑条连接。The upper valve body and the lower valve body are connected by a sealing slide.
所述密封滑条采用聚四氟乙烯材质制得。The sealing slide bar is made of polytetrafluoroethylene material.
所述下阀体内部设有8个独立的下阀体腔室,8个独立的下阀体腔室呈2×4行列布置,所述风管设有8个,与每个下阀体腔室一一对应。There are 8 independent lower valve body chambers inside the lower valve body, and the 8 independent lower valve body chambers are arranged in a 2×4 row. correspond.
所述上阀体内部设有6个独立的上阀体腔室,所述上阀体腔室为长条形,中间两个竖向成对设置,另外4个上阀体腔室横向成对设于中间两上阀体腔室的两侧;There are 6 independent upper valve body chambers inside the upper valve body, the upper valve body chambers are elongated, the middle two are arranged in pairs vertically, and the other 4 upper valve body chambers are arranged in pairs horizontally in the middle Both sides of the two upper valve body chambers;
中间竖向设置的上阀体腔室将相邻两行的两个下阀体腔室连通;The upper valve body chamber vertically arranged in the middle communicates the two lower valve body chambers in two adjacent rows;
两侧横向设置的上阀体腔室将相邻两列的两个下阀体腔室连通;The upper valve body chambers arranged laterally on both sides connect the two lower valve body chambers in two adjacent rows;
所述下阀体腔室为正方形腔室,所述上阀体腔室为长方形腔室。The lower valve body chamber is a square chamber, and the upper valve body chamber is a rectangular chamber.
一种高低温转换系统,采用上述滑块式绝热换向阀将两台试验箱、一套热风产生装置及一套冷风产生装置相连,具体可采用一台热泵,热泵开始工作后,同时产生热流(热端)和冷流(冷端),通过换向阀切换不同的通路,实现冷热工况的分离,当实现一台试验箱进热风时,另一台进冷风。A high and low temperature conversion system, which uses the above-mentioned slider-type adiabatic reversing valve to connect two test chambers, a set of hot air generation devices and a set of cold air generation devices, and specifically a heat pump can be used. After the heat pump starts to work, heat flow is generated at the same time. (Hot end) and cold flow (cold end), switch different passages through the reversing valve to realize the separation of cold and hot working conditions. When one test chamber enters hot air, the other enters cold air.
本发明滑块式绝热换向阀,在下阀体内部设有多个独立的下阀体腔室,风管与每个下阀体腔室相连通,一上阀体内部设有多个独立的上阀体腔室,上阀体腔室与下阀体腔室相互配合,上阀体与下阀体相对位置改变时,通过下阀体腔室与上阀体腔室的相互错位,形成不同工况的通路,进而实现一台试验箱进冷风时,另一台进热风,交替进行,使装置简化,并平稳运行。The slider type adiabatic reversing valve of the present invention is provided with a plurality of independent lower valve body chambers inside the lower valve body, the air duct is communicated with each lower valve body chamber, and a plurality of independent upper valves are arranged inside an upper valve body Body chamber, the upper valve body chamber and the lower valve body chamber cooperate with each other, when the relative position of the upper valve body and the lower valve body changes, the mutual dislocation of the lower valve body chamber and the upper valve body chamber forms a passage under different working conditions, and then realizes When one test box enters cold air, the other one enters hot air, alternately, which simplifies the device and runs smoothly.
与现有技术相比,本发明具有以下优点:Compared with the prior art, the present invention has the following advantages:
1)一台热泵可以同时满足冷、热风两套气路的循环:将本绝热换向阀连接于两台试验箱、热风产生装置(热端)及冷风产生装置(冷端),通过调整换向阀的开度实现一台试验箱进冷风时,另一台进热风,更为节能;1) A heat pump can satisfy the circulation of two sets of air circuits of cold and hot air at the same time: connect the adiabatic reversing valve to two test boxes, hot air generating device (hot end) and cold air generating device (cold end), and by adjusting and changing The opening of the valve realizes that when one test chamber enters cold air, the other enters hot air, which is more energy-saving;
2)换向方便:通过上阀体与下阀体相对滑动的方式实现上阀体与下阀体的换向;2) Convenient reversing: the reversing between the upper valve body and the lower valve body is realized by the relative sliding of the upper valve body and the lower valve body;
3)通径大:采用箱式结构,大通径风管可实现大通量的热流或者冷流;3) Large diameter: the box-type structure is adopted, and the large diameter air duct can realize large flux of heat flow or cold flow;
4)可以自动控制:绝热换向阀可由时间继电器进行控制;4) It can be automatically controlled: the adiabatic directional valve can be controlled by a time relay;
5)热传导率低:阀体内外均敷设绝热材料,减低热传导率。5) Low thermal conductivity: Insulation materials are laid inside and outside the valve body to reduce thermal conductivity.
附图说明Description of drawings
图1为本发明一种滑块式绝热换向阀的外观示意图;Fig. 1 is the appearance schematic diagram of a kind of slider type adiabatic reversing valve of the present invention;
图2为本发明一种滑块式绝热换向阀的上下阀体接合处示意图;Figure 2 is a schematic diagram of the joint of the upper and lower valve bodies of a slider type adiabatic directional valve according to the present invention;
图3为本发明一种滑块式绝热换向阀的内部构造示意图;3 is a schematic diagram of the internal structure of a slider type adiabatic directional valve of the present invention;
图4为本发明一种滑块式绝热换向阀的工作原理示意图;4 is a schematic diagram of the working principle of a slider type adiabatic directional valve of the present invention;
图5为本发明一种高低温转换系统的结构示意图;5 is a schematic structural diagram of a high-low temperature conversion system of the present invention;
图1、2、3中标记说明:Description of the marks in Figures 1, 2, and 3:
1—推拉杆、2—上阀体、3—下阀体、4—风管、5—外绝热层、6—金属阀体、7—内绝热层、8—聚四氟乙烯密封滑条。1—push-pull rod, 2—upper valve body, 3—lower valve body, 4—air duct, 5—outer insulation layer, 6—metal valve body, 7—inner insulation layer, 8—PTFE sealing slide.
图4中标记说明:Description of the marks in Figure 4:
H1—热风装置的循环风出口、H2—热风装置的循环风进口、C1—冷风装置的循环风出口、C2—冷风装置的循环风进口、A1—A试验箱的热风进口/冷风出口、A2—A试验箱的热风出口/冷风进口、B1—B试验箱的热风进口/冷风出口、B2—B试验箱的热风出口/冷风进口。H1—the circulating air outlet of the hot air device, H2—the circulating air inlet of the hot air device, C1—the circulating air outlet of the cold air device, C2—the circulating air inlet of the cold air device, A1—the hot air inlet/cold air outlet of the test box, A2— The hot air outlet/cold air inlet of the A test box, the hot air inlet/cold air outlet of the B1-B test box, and the hot air outlet/cold air inlet of the B2-B test box.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明进行详细说明。The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
实施例Example
一种滑块式绝热换向阀,包括:一下阀体,内部设有多个独立的下阀体腔室;多个风管,对称连接于下阀体的两侧,且每个风管均与每个下阀体腔室相连通;及一上阀体,内部设有多个独立的上阀体腔室,上阀体滑动设于下阀体上部,上阀体腔室与下阀体腔室相互配合,上阀体与下阀体相对位置改变时,形成多种不同的循环通路。上阀体上设有推拉杆,推拉杆与驱动机构相连接。A slider type adiabatic reversing valve, comprising: a lower valve body with a plurality of independent lower valve body chambers inside; a plurality of air pipes symmetrically connected to both sides of the lower valve body, and each air pipe is connected with Each lower valve body chamber communicates with each other; and an upper valve body with a plurality of independent upper valve body chambers inside, the upper valve body is slidably arranged on the upper part of the lower valve body, and the upper valve body chamber and the lower valve body chamber cooperate with each other, When the relative positions of the upper valve body and the lower valve body change, various circulation passages are formed. A push-pull rod is arranged on the upper valve body, and the push-pull rod is connected with the driving mechanism.
具体到本实施例,如图1-3,该绝热换向阀由推拉杆1、上阀体2、下阀体3和风管4构成,上阀体2与下阀体3构成的金属阀体6外设有外绝热层5,内设有内绝热层7。上阀体与下阀体之间通过聚四氟乙烯密封滑条8连接。下阀体内部设有8个独立的下阀体腔室,8个独立的下阀体腔室呈2×4行列布置,风管设有8个,与每个下阀体腔室一一对应。上阀体内部设有6个独立的上阀体腔室,上阀体腔室为长条形,中间两个竖向成对设置,另外4个上阀体腔室横向成对设于中间两上阀体腔室的两侧;中间竖向设置的上阀体腔室将相邻两行的两个下阀体腔室连通;两侧横向设置的上阀体腔室将相邻两列的两个下阀体腔室连通;下阀体腔室为正方形腔室,上阀体腔室为长方形腔室。Specifically to this embodiment, as shown in Figures 1-3, the adiabatic directional valve is composed of a push-pull rod 1, an upper valve body 2, a
图5示出了本发明一种高低温转换系统的结构示意图,通过将本滑块式绝热换向阀将A试验箱、B试验箱及一套采用冷热双用压缩机系统(热泵)连接,图中,C表示冷端,H表示热端。Figure 5 shows a schematic diagram of the structure of a high-low temperature conversion system of the present invention. By connecting the slider-type adiabatic reversing valve to the A test box, the B test box, and a set of compressor systems (heat pump) using both cold and heat , in the figure, C represents the cold end, and H represents the hot end.
图4为的工作原理示意图,图中:H1—热风装置的循环风出口、H2—热风装置的循环风进口、C1—冷风装置的循环风出口、C2—冷风装置的循环风进口、A1—A试验箱的热风进口/冷风出口、A2—A试验箱的热风出口/冷风进口、B1—B试验箱的热风进口/冷风出口、B2—B试验箱的热风出口/冷风进口。Figure 4 is a schematic diagram of the working principle, in the figure: H1—the circulating air outlet of the hot air device, H2—the circulating air inlet of the hot air device, C1—the circulating air outlet of the cold air device, C2—the circulating air inlet of the cold air device, A1—A The hot air inlet/cold air outlet of the test chamber, the hot air outlet/cold air inlet of the A2-A test chamber, the hot air inlet/cold air outlet of the B1-B test chamber, and the hot air outlet/cold air inlet of the B2-B test chamber.
图中c)为下阀体3和风管4的结构,当上阀体2右移时,如a)所示,热风循环路径为H1→A1→A箱→A2→H2→热风产生装置→H1;冷风循环路径为C1→B2→B箱→B1→C2→冷风产生装置→C1。c) in the figure is the structure of the
当上阀体2左移时,如b)所示,热风循环路径为H1→B1→B箱→B2→H2→热风产生装置→H1,冷风循环路径为C1→A2→A箱→A1→C2→冷风产生装置→C1,由此可见,进热风时,低位口进,高位口出,进冷风时反之。When the upper valve body 2 moves to the left, as shown in b), the hot air circulation path is H1→B1→B box→B2→H2→hot air generator→H1, and the cold air circulation path is C1→A2→A box→A1→C2 →Cold air generating device →C1, it can be seen that when hot air enters, the low-level port enters, and the high-level port exits, and vice versa when cold air enters.
上述的对实施例的描述是为便于该技术领域的普通技术人员能理解和使用发明。熟悉本领域技术的人员显然可以容易地对这些实施例做出各种修改,并把在此说明的一般原理应用到其他实施例中而不必经过创造性的劳动。因此,本发明不限于上述实施例,本领域技术人员根据本发明的揭示,不脱离本发明范畴所做出的改进和修改都应该在本发明的保护范围之内。The foregoing description of the embodiments is provided to facilitate understanding and use of the invention by those of ordinary skill in the art. It will be apparent to those skilled in the art that various modifications to these embodiments can be readily made, and the generic principles described herein can be applied to other embodiments without inventive step. Therefore, the present invention is not limited to the above-mentioned embodiments, and improvements and modifications made by those skilled in the art according to the disclosure of the present invention without departing from the scope of the present invention should all fall within the protection scope of the present invention.
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