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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- valve body
- upper valve
- lower valve
- slider
- reversing
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to a slider type heat insulation reversing valve and a high-low temperature conversion system, wherein the reversing valve comprises a lower valve body, and a plurality of independent lower valve body chambers are arranged in the reversing valve; the air pipes are symmetrically connected to two sides of the lower valve body, and each air pipe is communicated with each lower valve body cavity; and the upper valve body is internally provided with a plurality of independent upper valve body cavities, the upper valve body is arranged on the upper part of the lower valve body in a sliding manner, the upper valve body cavities are matched with the lower valve body cavities, and when the relative positions of the upper valve body and the lower valve body are changed, a plurality of different circulation passages are formed. Compared with the prior art, the invention can simultaneously satisfy the circulation of the cold air channel and the hot air channel, and the reversing is convenient.
Description
Technical Field
The invention relates to the technical field of product performance testing equipment, in particular to a sliding block type heat insulation reversing valve and a high-low temperature conversion system.
Background
In the performance examination of products, there is a kind of high and low temperature test, that is, a sample is put into a test box, and a box body is usually connected with a set of hot air generating device and a set of cold air generating device, hot air and cold air are alternately introduced at equal time intervals, and the set temperature value is controlled to reach a certain cycle number, 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 result.
Patent CN 105425868A discloses a continuity high low temperature test device, including casing, two-stage heating circulating device, two-stage refrigeration circulating device and controlling means, the two-stage heating circulating device includes that elementary heating circulating device, elementary heating controlling means, secondary heat circulating device and secondary heat controlling means, two-stage refrigeration circulating device includes elementary refrigeration circulating device, elementary refrigeration controlling means, secondary refrigeration circulating device and secondary refrigeration controlling means, and the device has realized multiple intensification, cooling mode, has realized the temperature continuity change, but the device can't satisfy the circulation of two sets of cold, hot-blast gas circuits simultaneously.
Disclosure of Invention
The present invention is directed to solve the above problems and to provide a slider type adiabatic reversing valve and a high/low temperature switching system, which can simplify the device and operate smoothly.
The purpose of the invention is realized by the following technical scheme:
a slider adiabatic reversing valve comprising:
the lower valve body is internally provided with a plurality of independent lower valve body chambers;
the air pipes are symmetrically connected to two sides of the lower valve body, and each air pipe is communicated with each lower valve body cavity; and
an upper valve body, a plurality of independent upper valve body chambers are arranged in the upper valve body, the upper valve body is arranged on the upper part of the lower valve body in a sliding way,
the upper valve body cavity and the lower valve body cavity are matched with each other, and when the relative position of the upper valve body and the lower valve body is changed, a plurality of different circulation passages are formed.
And a push-pull rod is arranged on the upper valve body and is connected with a driving mechanism.
Go up valve body, lower valve body and tuber pipe and be the metal material and make, the outside is equipped with outer heat insulation layer, and inside is equipped with interior heat insulation layer.
The upper valve body is connected with the lower valve body through a sealing slide bar.
The sealing slide bar is made of polytetrafluoroethylene.
The inside 8 independent lower valve body cavities that are equipped with of lower valve body, 8 independent lower valve body cavities are 2 × 4 ranks and arrange, the tuber pipe is equipped with 8, and is corresponding with every lower valve body cavity one-to-one.
The inner part of the upper valve body is provided with 6 independent upper valve body chambers, the upper valve body chambers are strip-shaped, the middle two upper valve body chambers are vertically arranged in pairs, and the other 4 upper valve body chambers are transversely arranged on two sides of the middle two upper valve body chambers in pairs;
the upper valve body cavity vertically arranged in the middle communicates the two lower valve body cavities in two adjacent rows;
the upper valve body cavities transversely arranged at two sides communicate two adjacent rows of lower valve body cavities;
the lower valve body cavity is a square cavity, and the upper valve body cavity is a rectangular cavity.
The utility model provides a high low temperature conversion system, adopts the adiabatic switching-over valve of above-mentioned slider formula to link to each other two test cases, one set of hot-blast device that produces and one set of cold wind producing device, specifically can adopt a heat pump, and the heat pump begins the back of working, produces hot flow (hot junction) and cold flow (cold junction) simultaneously, switches different passageways through the switching-over valve, realizes the separation of cold and hot operating mode, when realizing that a test case advances hot-blast, another advances cold wind.
The invention relates to a slide block type heat insulation reversing valve.A plurality of independent lower valve body cavities are arranged in a lower valve body, an air pipe is communicated with each lower valve body cavity, a plurality of independent upper valve body cavities are arranged in an upper valve body, the upper valve body cavities are matched with the lower valve body cavities, and when the relative positions of the upper valve body and the lower valve body are changed, passages with different working conditions are formed by the mutual dislocation of the lower valve body cavities and the upper valve body cavities, so that when cold air enters one test box, hot air enters the other test box alternately, the device is simplified and operates stably.
Compared with the prior art, the invention has the following advantages:
1) one heat pump can simultaneously satisfy the circulation of two sets of air paths of cold air and hot air: the heat-insulating reversing valve is connected with the two test boxes, the hot air generating device (hot end) and the cold air generating device (cold end), and when cold air enters one test box, the other test box enters hot air by adjusting the opening degree of the reversing valve, so that energy is saved;
2) the reversing is convenient: the reversing of the upper valve body and the lower valve body is realized in a way that the upper valve body and the lower valve body slide relatively;
3) the drift diameter is big: by adopting a box type structure, the large-diameter air pipe can realize large-flux heat flow or cold flow;
4) can automatically control: the adiabatic reversing valve can be controlled by a time relay;
5) low thermal conductivity: heat insulating materials are laid inside and outside the valve body, so that the heat conductivity is reduced.
Drawings
FIG. 1 is a schematic exterior view of a slider adiabatic reversing valve of the present invention;
FIG. 2 is a schematic view of the junction of the upper and lower valve bodies of a slider-type adiabatic reversing valve of the present invention;
FIG. 3 is a schematic view of the internal construction of a slider adiabatic reversing valve of the present invention;
FIG. 4 is a schematic view of the working principle of a slider type adiabatic reversing valve of the present invention;
FIG. 5 is a schematic structural diagram of a high-low temperature conversion system according to the present invention;
the notations in figures 1, 2, 3 are:
1-push-pull rod, 2-upper valve body, 3-lower valve body, 4-air pipe, 5-external heat insulating layer, 6-metal valve body, 7-internal heat insulating layer and 8-polytetrafluoroethylene sealing slide bar.
The notation in FIG. 4:
h1-circulating air outlet of hot air device, H2-circulating air inlet of hot air device, C1-circulating air outlet of cold air device, C2-circulating air inlet of cold air device, hot air inlet/cold air outlet of A1-A test box, hot air outlet/cold air inlet of A2-A test box, hot air inlet/cold air outlet of B1-B test box, and hot air outlet/cold air inlet of B2-B test box.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
A slider adiabatic reversing valve comprising: the lower valve body is internally provided with a plurality of independent lower valve body chambers; the air pipes are symmetrically connected to two sides of the lower valve body, and each air pipe is communicated with each lower valve body cavity; and the upper valve body is internally provided with a plurality of independent upper valve body cavities, the upper valve body is arranged on the upper part of the lower valve body in a sliding manner, the upper valve body cavities are matched with the lower valve body cavities, and when the relative positions of the upper valve body and the lower valve body are changed, a plurality of different circulation passages are formed. The upper valve body is provided with a push-pull rod which is connected with a driving mechanism.
Specifically, as shown in fig. 1-3, the heat insulation reversing valve comprises a push-pull rod 1, an upper valve body 2, a lower valve body 3 and an air pipe 4, wherein an outer heat insulation layer 5 is arranged outside a metal valve body 6 formed by the upper valve body 2 and the lower valve body 3, an inner heat insulation layer 7 is arranged inside the metal valve body, the upper valve body is connected with the lower valve body through a polytetrafluoroethylene sealing slide bar 8, 8 independent lower valve body cavities are arranged inside the lower valve body, the 8 independent lower valve body cavities are arranged in a2 × 4 row and column, the air pipe is provided with 8 air pipes, the air pipes correspond to the lower valve body cavities one by one, 6 independent upper valve body cavities are arranged inside the upper valve body, the upper valve body cavities are strip-shaped, the two middle upper valve body cavities are arranged in pairs, the other 4 upper valve body cavities are arranged on two sides of the two middle upper valve body cavities in pairs in a transverse direction, the upper valve body cavities arranged in the middle direction are communicated with the two lower valve body cavities in the two adjacent rows, the upper valve body cavities arranged in the two.
Fig. 5 shows a schematic structural diagram of a high-low temperature conversion system of the invention, wherein the slide block type heat insulation reversing valve is used for connecting a test box A, a test box B and a set of compressor system (heat pump) adopting cold and hot dual-purpose, wherein C represents a cold end, and H represents a hot end.
Fig. 4 is a schematic diagram of the working principle, in which: h1-circulating air outlet of hot air device, H2-circulating air inlet of hot air device, C1-circulating air outlet of cold air device, C2-circulating air inlet of cold air device, hot air inlet/cold air outlet of A1-A test box, hot air outlet/cold air inlet of A2-A test box, hot air inlet/cold air outlet of B1-B test box, and hot air outlet/cold air inlet of B2-B test box.
In the drawing, c) is a structure of the lower valve body 3 and the blast duct 4, and when the upper valve body 2 moves rightward, as shown in a), the hot wind circulating path is H1 → a1 → a box → a2 → H2 → hot wind generating means → H1; the cold air circulation path is C1 → B2 → B tank → B1 → C2 → cold air generating device → C1.
When the upper valve body 2 moves leftward, as shown in B), the hot air circulation path is H1 → B1 → B tank → B2 → H2 → hot air generating device → H1, and the cold air circulation path is C1 → a2 → a tank → a1 → C2 → cold air generating device → C1, so that the low port enters and the high port exits, and vice versa, when hot air enters.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (8)
1. A slider adiabatic reversing valve, comprising:
the lower valve body is internally provided with 8 independent lower valve body chambers, and the 8 independent lower valve body chambers are arranged in a row of 2 × 4;
the 8 air pipes are symmetrically connected to two sides of the lower valve body and correspond to the lower valve body chambers one by one, and each air pipe is communicated with each lower valve body chamber; and
the upper valve body is internally provided with 6 independent upper valve body cavities, the upper valve body cavities are strip-shaped, the middle two upper valve body cavities are vertically arranged in pairs, and the other 4 upper valve body cavities are transversely arranged on two sides of the middle two upper valve body cavities in pairs;
the upper valve body is arranged on the upper part of the lower valve body in a sliding manner, a cavity of the upper valve body is matched with a cavity of the lower valve body, and when the relative position of the upper valve body and the lower valve body is changed, a plurality of different circulation passages are formed;
the upper valve body cavity vertically arranged in the middle communicates the two lower valve body cavities in two adjacent rows;
the upper valve body cavities transversely arranged on two sides communicate the two lower valve body cavities in two adjacent rows.
2. The slider-type adiabatic reversing valve of claim 1, wherein the upper valve body is provided with a push-pull rod, and the push-pull rod is connected with a driving mechanism.
3. The slider type adiabatic reversing valve of claim 1, wherein the upper valve body, the lower valve body and the air duct are made of metal, an outer heat insulation layer is arranged outside the upper valve body, and an inner heat insulation layer is arranged inside the upper valve body.
4. The slider thermally insulated reversing valve of claim 1, wherein the upper valve body and the lower valve body are connected by a sealing slider.
5. The slider thermally insulated reversing valve of claim 4, wherein the sealing slider is made of polytetrafluoroethylene.
6. The slider insulated reversing valve of claim 1, wherein the lower valve body chamber is a square chamber and the upper valve body chamber is a rectangular chamber.
7. A high-low temperature conversion system, characterized in that two test boxes, a set of hot air generating device and a set of cold air generating device are connected by using the slider type heat insulation reversing valve according to any one of claims 1 to 6.
8. The high-low temperature conversion system according to claim 7, wherein the hot air generating device and the cold air generating device are heat pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910362115.8A CN110094543B (en) | 2019-04-30 | 2019-04-30 | Slider type heat insulation reversing valve and high-low temperature conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910362115.8A CN110094543B (en) | 2019-04-30 | 2019-04-30 | Slider type heat insulation reversing valve and high-low temperature conversion system |
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| Publication Number | Publication Date |
|---|---|
| CN110094543A CN110094543A (en) | 2019-08-06 |
| CN110094543B true CN110094543B (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910362115.8A Active CN110094543B (en) | 2019-04-30 | 2019-04-30 | Slider type heat insulation reversing valve and high-low temperature conversion system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284103A (en) * | 1978-05-08 | 1981-08-18 | Pemberton J C | Random access valve |
| US6378556B1 (en) * | 1998-01-08 | 2002-04-30 | Fondse Valves B.V. | Multiway valve |
| CN2771586Y (en) * | 2005-01-31 | 2006-04-12 | 苏铭哲 | Air control valve structure for air-cushion bed |
| CN104781611A (en) * | 2012-11-13 | 2015-07-15 | Bs2公司 | Valve for switching heat flow of heat pump in consideration of reversal of flow direction of heat exchanger connected to heat source side of heat pump during heating operation |
| CN208290453U (en) * | 2018-05-02 | 2018-12-28 | 楚天科技股份有限公司 | Pneumatic vacuum three-way valve assemblies and plastic containers blow molding apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109074062B (en) * | 2016-02-24 | 2023-02-17 | 琳娜·莱文 | Mechanically driven sequencing manifold |
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2019
- 2019-04-30 CN CN201910362115.8A patent/CN110094543B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284103A (en) * | 1978-05-08 | 1981-08-18 | Pemberton J C | Random access valve |
| US6378556B1 (en) * | 1998-01-08 | 2002-04-30 | Fondse Valves B.V. | Multiway valve |
| CN2771586Y (en) * | 2005-01-31 | 2006-04-12 | 苏铭哲 | Air control valve structure for air-cushion bed |
| CN104781611A (en) * | 2012-11-13 | 2015-07-15 | Bs2公司 | Valve for switching heat flow of heat pump in consideration of reversal of flow direction of heat exchanger connected to heat source side of heat pump during heating operation |
| CN208290453U (en) * | 2018-05-02 | 2018-12-28 | 楚天科技股份有限公司 | Pneumatic vacuum three-way valve assemblies and plastic containers blow molding apparatus |
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| Publication number | Publication date |
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| CN110094543A (en) | 2019-08-06 |
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