CN204203204U - A kind of ultralow temperature temperature control test platform - Google Patents
A kind of ultralow temperature temperature control test platform Download PDFInfo
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- CN204203204U CN204203204U CN201420689928.0U CN201420689928U CN204203204U CN 204203204 U CN204203204 U CN 204203204U CN 201420689928 U CN201420689928 U CN 201420689928U CN 204203204 U CN204203204 U CN 204203204U
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- nitrogen
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Abstract
The utility model discloses a kind of ultralow temperature temperature control test platform.Described ultralow temperature temperature control test platform comprises low-temperature test container, low temperature nitrogen conveyance conduit and normal temperature air conveyance conduit; Low temperature nitrogen conveyance conduit is all connected with low-temperature test container with normal temperature air conveyance conduit; Low temperature nitrogen conveyance conduit comprises the liquid nitrogen bottle, pressure regulator valve I and the variable valve I that connect successively; Described normal temperature air conveyance conduit comprises the air compressor machine, dryer, pressure regulator valve II and the variable valve II that connect successively; Described low-temperature test container is provided with temperature transmitter, and described temperature transmitter is connected with a controller, and described controller is connected with described variable valve II with described variable valve I.By arranging low temperature nitrogen conveyance conduit and normal temperature air conveyance conduit, and coordinating by controller and temperature transmitter, regulate the valve opening of the variable valve on two pipelines, and then realize the different proportion mixing of low temperature nitrogen and air drying air, achieve the ultralow temperature closed-loop control to test platform-196 DEG C ~ 0 DEG C.
Description
Technical field
The utility model relates to the temperature control console in a kind of automation control area, is specifically related to a kind of ultralow temperature temperature control test platform.
Background technology
Ultra-low temperature surroundings is the emphasis that the industry fields such as Aero-Space, chemical industry and energy accumulating are paid close attention to.Larger in the performance parameter such as mechanics, electromagnetics, the thermoelectricity impact of ultra-low temperature surroundings on material.And the cryogenic testing of material is the necessary means obtaining its cryogenic property, therefore requirements at the higher level are proposed to low temperature temperature control test platform.At present, in testing equipment, temperature controlled testing device mainly provides environment temperature and temperature controls at middle hyperthermia temperature range with incubator form for test material, cannot provide the ultralow temperature test source of controllable precise with the form of face unit.
Utility model content
The purpose of this utility model is to provide a kind of ultralow temperature temperature control test platform, can realize the different proportion mixing of low temperature nitrogen and normal temperature air, and then realize test platform-196 DEG C ~ 0 DEG C ultralow temperature closed-loop control.
Ultralow temperature temperature control test platform provided by the utility model, comprises low-temperature test container, low temperature nitrogen conveyance conduit and normal temperature air conveyance conduit;
Described low temperature nitrogen conveyance conduit is all connected with described low-temperature test container with described normal temperature air conveyance conduit;
Described low temperature nitrogen conveyance conduit comprises the liquid nitrogen bottle, pressure regulator valve I and the variable valve I that connect successively;
Described normal temperature air conveyance conduit comprises the air compressor machine, dryer, pressure regulator valve II and the variable valve II that connect successively;
Described low-temperature test container is provided with temperature transmitter, and described temperature transmitter is connected with a controller, and described controller is connected with described variable valve II with described variable valve I.
In described ultralow temperature temperature control test platform, described low temperature nitrogen conveyance conduit and described normal temperature air conveyance conduit are for be arrangeding in parallel.
In described ultralow temperature temperature control test platform, in described low temperature nitrogen conveyance conduit, variable valve I being set, in low-temperature test container, providing flow adjustable low temperature nitrogen for controlling this pipeline.
In described ultralow temperature temperature control test platform, in described normal temperature air conveyance conduit, variable valve II being set, in low-temperature test container, providing flow adjustable air drying air for controlling this pipeline.
In the utility model ultralow temperature temperature control test platform, described controller is connected with described variable valve II with described variable valve I respectively, to control the aperture of described variable valve I and described variable valve II, control low temperature nitrogen and air drying air proportion mixing in described low-temperature test container, thus realize the low temperature closed-loop control to test platform-196 DEG C ~ 0 DEG C.
In the utility model ultralow temperature temperature control test platform, the effect of described dryer is that the moisture in air is carried out dry elimination, affects heat transfer efficiency to avoid moisture frosting in described low-temperature test container to freeze.
Compared with the prior art, the utility model ultralow temperature temperature control test platform tool has the following advantages:
By arranging low temperature nitrogen conveyance conduit and normal temperature air conveyance conduit, and variable valve is equipped with on low temperature nitrogen conveyance conduit and normal temperature air conveyance conduit, and variable valve is connected with controller, temperature signal in the low-temperature test container that this controller is transmitted by temperature transmitter, to regulate the valve opening of the variable valve on two pipelines, and then realize the different proportion mixing of low temperature nitrogen and air drying air, achieve the ultralow temperature closed-loop control to test platform-196 DEG C ~ 0 DEG C.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model ultralow temperature temperature control test platform local.
Principle schematic when Fig. 2 is the work of the utility model ultralow temperature temperature control test platform.
In figure, each mark is as follows:
1 pressure regulator valve I, 2 pressure regulator valve II, 3 variable valve I, 4 variable valve II, 5 low-temperature test containers, 6 temperature transmitters.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further, but the utility model is not limited to following examples.
As shown in Figure 1, for the utility model ultralow temperature temperature control test platform, it comprises low-temperature test container 5, low temperature nitrogen conveyance conduit and normal temperature air conveyance conduit, and low temperature nitrogen conveyance conduit and normal temperature air conveyance conduit be arranged in parallel, all be connected with low-temperature test container 5, to provide low temperature nitrogen and air drying air respectively in low-temperature test container 5.In the utility model, low temperature nitrogen conveyance conduit comprises the liquid nitrogen bottle (not shown), pressure regulator valve I1 and the variable valve I3 that connect successively, and normal temperature air conveyance conduit comprises the air compressor machine (not shown), dryer (not shown), pressure regulator valve II2 and the variable valve II4 that connect successively.Low-temperature test container 5 is provided with temperature transmitter 6, and this temperature transmitter 6 is connected with controller (not shown), this controller is connected with variable valve II4 with variable valve I3, temperature signal in the low-temperature test container 5 that controller is transmitted by temperature transmitter 6, regulate the valve opening of variable valve II2 on two pipelines and variable valve II4, to carry low temperature nitrogen and the air drying air of different proportion in low-temperature test container 5, finally realize-196 DEG C ~ 0 DEG C ultralow temperature closed-loop control to low-temperature test container 5.
Principle schematic when Fig. 2 is the work of the utility model ultralow temperature temperature control test platform, the utility model operationally, low temperature nitrogen conveyance conduit initiating terminal is from liquid nitrogen bottle gas outlet, by pressure regulator valve I1, the low temperature nitrogen of the outflow of liquid nitrogen bottle is made to carry out pressure regulation through pressure regulator valve I1, then flow through variable valve I3, enter in low-temperature test container 5.Normal temperature air conveyance conduit initiating terminal, from air compressor machine gas outlet, through dryer and pressure regulator valve II2, makes the normal temperature air flowed out carry out pressure regulation through pressure regulator valve II2, then flows through variable valve II4, enter in low-temperature test container 5.Because controller is connected with variable valve II4 with variable valve I3, temperature signal in the low-temperature test container 5 that this controller is transmitted by temperature transmitter 6, to regulate the valve opening of variable valve I3 on two pipelines and variable valve II4, and then realize the different proportion mixing of low temperature nitrogen and air drying air, the final ultralow temperature closed-loop control realized test platform-196 DEG C ~ 0 DEG C.
Claims (2)
1. a ultralow temperature temperature control test platform, is characterized in that: it comprises low-temperature test container, low temperature nitrogen conveyance conduit and normal temperature air conveyance conduit;
Described low temperature nitrogen conveyance conduit is all connected with described low-temperature test container with described normal temperature air conveyance conduit;
Described low temperature nitrogen conveyance conduit comprises the liquid nitrogen bottle, pressure regulator valve I and the variable valve I that connect successively;
Described normal temperature air conveyance conduit comprises the air compressor machine, dryer, pressure regulator valve II and the variable valve II that connect successively;
Described low-temperature test container is provided with temperature transmitter, and described temperature transmitter is connected with a controller, and described controller is connected with described variable valve II with described variable valve I.
2. ultralow temperature temperature control test platform according to claim 1, is characterized in that: described low temperature nitrogen conveyance conduit and described normal temperature air conveyance conduit are for be arrangeding in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689928.0U CN204203204U (en) | 2014-11-17 | 2014-11-17 | A kind of ultralow temperature temperature control test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689928.0U CN204203204U (en) | 2014-11-17 | 2014-11-17 | A kind of ultralow temperature temperature control test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204203204U true CN204203204U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420689928.0U Active CN204203204U (en) | 2014-11-17 | 2014-11-17 | A kind of ultralow temperature temperature control test platform |
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| CN (1) | CN204203204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388042A (en) * | 2017-08-14 | 2017-11-24 | 上海航天设备制造总厂 | Liquid nitrogen sustainable supply device and method for ultralow temperature cutting |
| CN113784591A (en) * | 2021-09-07 | 2021-12-10 | 横店集团东磁股份有限公司 | Temperature control adjusting system and temperature control adjusting method for IV (IV) tester |
-
2014
- 2014-11-17 CN CN201420689928.0U patent/CN204203204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388042A (en) * | 2017-08-14 | 2017-11-24 | 上海航天设备制造总厂 | Liquid nitrogen sustainable supply device and method for ultralow temperature cutting |
| CN113784591A (en) * | 2021-09-07 | 2021-12-10 | 横店集团东磁股份有限公司 | Temperature control adjusting system and temperature control adjusting method for IV (IV) tester |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |