CN203025170U - High and low temperature test device - Google Patents
High and low temperature test device Download PDFInfo
- Publication number
- CN203025170U CN203025170U CN 201220644537 CN201220644537U CN203025170U CN 203025170 U CN203025170 U CN 203025170U CN 201220644537 CN201220644537 CN 201220644537 CN 201220644537 U CN201220644537 U CN 201220644537U CN 203025170 U CN203025170 U CN 203025170U
- Authority
- CN
- China
- Prior art keywords
- inner bag
- outer cover
- cylindrical shell
- low temperature
- test device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a high and low temperature test device, comprising a support frame, an inner container barrel and an outer cover barrel, wherein the inner container barrel is fixed on the support frame, a sample shelf with a fin type heat exchanger is arranged at the top of the inner container barrel, an electric heating device is fixed at the periphery of the sample shelf, the top of the outer cover barrel is provided with an evacuation interface, the outer cover barrel covers outside the inner container barrel and is fixed on an inner container flange, a low temperature refrigerating machine is arranged in the support frame, a first-level refrigerating head and a second-level refrigerating head of the low temperature refrigerating machine respectively stretch into the inner container barrel, the first-level refrigerating head is externally covered by a first-level helium isolation layer, and the second-level refrigerating head is externally covered by a helium diversion and isolation layer. The high and low temperature test device is small in volume, wide in temperature region range and high in temperature control accuracy; the lowest temperature can be -260 DEG C; and the high and low temperature test device can realize high temperature and deep hypothermia test of the sample at the same position.
Description
Technical field
The utility model relates to the materials detection device field, is specially a kind of high low temperature test device.
Background technology
Material science research often will be studied performance parameter and the situation of change thereof of various materials under high temperature, low temperature environment, as performance study and parameter testings such as the magnetics of carrying out various materials under high temperature, low temperature, electricity, optics, and research is in the situation that high and low temperature alternative changes the Changing Pattern of various performance parameters.
Existing high low temperature test device is the body structure with temperature control system, be mainly for the fail-test of the high low temperature applied environment of the parts of the Related products such as electrotechnical, electronic, automobile motor and material, verify whether its performance index satisfy the demand of product environment for use.
There is such defective in above-mentioned existing high low temperature test device: volume is larger, the temperature range that provides is narrower, only has the temperature environment in-150 ℃～150 ℃ scopes, very high temperature and profound hypothermia environment can't be provided, can not carry out Performance Characteristics research and the parameter testing of material under the different temperatures environment.
The utility model content
The purpose of this utility model is to provide a kind of high low temperature test device, the problem that exists to solve existing high low temperature test device.
In order to achieve the above object, the technical scheme that adopts of the utility model is:
a kind of high low temperature test device, include the bracing frame that is arranged on the bottom, it is characterized in that: also include the inner bag cylindrical shell, the outer cover cylindrical shell, uncovered and the inner bag cylinder body bottom open-mouth of described inner bag cylinder body bottom is provided with the inner bag flange that consists of sealing with the inner bag cylindrical shell, the inner bag cylindrical shell is fixed on bracing frame by the inner bag flange, inner bag cylindrical shell top is provided with the specimen holder with fin type heat exchanger, be fixed with electric heater unit around specimen holder, described outer cover cylindrical shell top is provided with evacuated interface, uncovered and the outer cover cylinder body bottom open-mouth of outer cover cylinder body bottom is provided with the outer cover flange that consists of sealing with the outer cover cylindrical shell, described outer cover cylindrical shell covers on the external and outer cover cylindrical shell of internal container cylinder and is fixed on the inner bag flange by the outer cover flange, be provided with the Cryo Refrigerator that is fixed on inner bag flange bottom in support frame as described above, Cryo Refrigerator has the one-level cold head and is connected to the secondary cold head on one-level cold head top, the one-level cold head of Cryo Refrigerator, the secondary cold head stretches in the inner bag cylindrical shell from the inner bag cylinder body bottom respectively, wherein one-level cold head overcoat has with the inner bag cylinder inboard wall continuously apart from the one-level helium separation layer that contacts, secondary cold head overcoat has with the inner bag cylinder inboard wall continuously apart from the helium water conservancy diversion separation layer that contacts.
Described a kind of high low temperature test device is characterized in that: the sidepiece of described inner bag cylindrical shell respectively by skirt be communicated with safety valve, the inflatable interface of finding time, the inner bag cylinder body bottom is communicated with the test lead interface by skirt.
Described a kind of high low temperature test device is characterized in that: also be provided with temperature sensor on described specimen holder.
Described a kind of high low temperature test device is characterized in that: described outer cover cylindrical shell top is also uncovered, and outer cover cylindrical shell open top place is covered with the outer cover upper cover, and described evacuated interface is arranged on outer cover and covers.
Described a kind of high low temperature test device is characterized in that: described Cryo Refrigerator is back-heating type or cold storage Cryo Refrigerator.
The utility model can provide the temperature environment in-260 ℃～300 ℃ scopes, possesses accurate temperature and controls function, can carry out Performance Characteristics research and the parameter testing of material under the different temperatures environment,
The low temperature that the utility model utilizes Cryo Refrigerator work to produce provides low temperature environment for sample test, utilizes heating arrangement to add thermogenetic high temperature and provides hot environment for sample test.Device volume is little, the warm area wide ranges, and temperature-controlled precision is high, and lowest temperature can arrive-260 ℃.The utility model can realize that sample completes the test of high temperature and profound hypothermia at same position, and when doing high temperature test, refrigeration machine can work and need not to shut down.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model inner bag part-structure schematic diagram.
Fig. 3 is the utility model helium water conservancy diversion insulation layer structure schematic diagram.
Embodiment
As shown in Figure 1.a kind of high low temperature test device, include the bracing frame 17 that is arranged on the bottom, also include inner bag cylindrical shell 5, outer cover cylindrical shell 12, uncovered and the inner bag cylindrical shell 5 bottom open-mouths in inner bag cylindrical shell 5 bottoms are provided with the inner bag flange 4 that consists of sealing with inner bag cylindrical shell 5, inner bag cylindrical shell 5 is fixed on bracing frame 17 by inner bag flange 4, inner bag cylindrical shell 5 tops are provided with the specimen holder 6 with fin type heat exchanger, be fixed with electric heater unit 10 around specimen holder 6, outer cover cylindrical shell 12 tops are provided with evacuated interface 14, uncovered and the outer cover cylindrical shell 12 bottom open-mouths in outer cover cylindrical shell 12 bottoms are provided with the outer cover flange 11 that consists of sealing with outer cover cylindrical shell 12, outer cover cylindrical shell 12 covers on outside inner bag cylindrical shell 5 and outer cover cylindrical shell 12 is fixed on inner bag flange 4 by outer cover flange 11, be provided with the Cryo Refrigerator 1 that is fixed on inner bag flange 4 bottoms in bracing frame 17, Cryo Refrigerator 1 has one-level cold head 16 and is connected to the secondary cold head 15 on one-level cold head 16 tops, the one-level cold head 16 of Cryo Refrigerator 1, secondary cold head 15 stretches in inner bag cylindrical shell 5 from inner bag cylindrical shell 5 bottoms respectively, wherein one-level cold head 16 overcoats have with inner bag cylindrical shell 5 inwalls continuously apart from the one-level helium separation layer 2 that contacts, secondary cold head 15 overcoats have with inner bag cylindrical shell 5 inwalls continuously apart from the helium water conservancy diversion separation layer 3 that contacts.
The sidepiece of inner bag cylindrical shell 5 respectively by skirt be communicated with safety valve 7, the inflatable interface 9 of finding time, inner bag cylindrical shell 5 bottoms are communicated with test lead interface 8 by skirt.
Also be provided with temperature sensor on specimen holder 17.
Outer cover cylindrical shell 12 tops are also uncovered, and outer cover cylindrical shell 12 open top places are covered with outer cover upper cover 13, and evacuated interface 14 is arranged on outer cover upper cover 13.
Cryo Refrigerator 1 is back-heating type or cold storage Cryo Refrigerator.
The utility model comprises bracing frame 17, Cryo Refrigerator 1, one-level helium separation layer 2, helium water conservancy diversion separation layer 3, inner bag (4～9 form), heating arrangement 10, outer cover (11～14 form), and wherein Cryo Refrigerator 1 contains secondary cold head 15 and one-level cold head 16.inner bag flange 4 is fixed by bolts to above bracing frame 17, Cryo Refrigerator 1 use bolt is fixed on inner bag flange 4, secondary cold head 15 and one-level cold head 16 go deep into inner bag inside, and at the one-level cold head 16 bottoms covers upper level helium separation layers 2 of Cryo Refrigerator 1, put helium water conservancy diversion separation layer 3 in secondary cold head 15 bottoms, wherein the inside and outside wall of one-level helium separation layer 2 and helium water conservancy diversion separation layer 3 respectively with one of Cryo Refrigerator 1, the wall of secondary and inner bag cylindrical shell 5 contacts distance continuously, fixing heating arrangement 10 around with fin type heat exchanger specimen holder 6, its power supply lead wire, on specimen holder, temperature sensor wires and sample test lead-in wire is drawn by test lead interface 8, outer cover (11～14 form) covers on outside inner bag (4～9 form), wherein outer cover flange 11 is bolted in inner bag flange 4, the sealing of O type circle is housed both.
inner bag comprises inner bag flange 4, inner bag cylindrical shell 5, band fin type heat exchanger specimen holder 6, safety valve 7, test lead interface 8, the inflation inlet 9 of finding time, wherein each component part all adopts the connected mode of welding, band fin type heat exchanger specimen holder 6 is the red copper material, top is useful on the fixed orifice of fixed sample and testing sensor, the bottom is the heat exchange of fin structure enhancing and cold helium, all the other each parts are the SUS304 stainless steel material, safety valve 7 skirts enter internal container cylinder body 5 after passing inner bag flange 4, respectively with inner bag cylindrical shell 5 and 4 welding of inner bag flange, test lead interface 8 skirts are on inner bag cylindrical shell 5 outside weldings and inner bag flange 4, find time to enter internal container cylinder body 5 after inflatable interface 9 skirts pass inner bag flange 4, respectively with inner bag cylindrical shell 5 and 4 welding of inner bag flange.
Helium isolation guide layer is polytetrafluoroethylmaterial material, has the rectangular coil circumferential groove on its circle wall, and the two ends, up and down are annular recess and circumferential groove UNICOM.
The utility model utilizes Cryo Refrigerator that the low-temperature test environment is provided, and is minimum to-260 ℃, provides hot environment with heating arrangement, range up to 300 ℃, both combine, small volume, can realize that temperature is adjustable controlled continuously, satisfy high low temperature test request.
The utility model device is based on utility model on the basis of Cryo Refrigerator, gas conduction cooling and heat-exchanger rig and heating arrangement have been increased on the basis of Cryo Refrigerator, utilize Cryo Refrigerator work to produce low temperature, provide low temperature environment by gas conduction cooling and heat-exchanger rig, low temperature can arrive-260 ℃, utilize the heating arrangement heating to produce the high temperature test environment, high temperature can arrive 300 ℃.
What the utility model device used is back-heating type or cold storage Cryo Refrigerator, can produce the refrigeration machine lower than-260 ℃ of low temperature.
The high low-temperature test that the utility model device provides carries out on specimen holder, and tested sample is arranged on specimen holder, and specimen holder is with fin type heat exchanger.The specimen holder periphery is wound with heating collar, is fixed on inner bag, covers on above Cryo Refrigerator, and helium water conservancy diversion separation layer is arranged between inner bag and refrigeration machine.Cold head place's generation low temperature cold after Cryo Refrigerator startup work, helium enters the cold head low-temperature region by the water conservancy diversion separation layer, helium is cooled, do refrigerating medium by helium refrigeration machine low temperature cold is passed to specimen holder with fin type heat exchanger, make specimen holder reach low temperature, further pass to the tested sample that is contained on specimen holder, realize the low-temperature test of sample, and can utilize the heat antagonism to realize accurate temperature controlling.Extract helium refrigerating medium in inner bag out with vacuum pump when doing the high-temperature sample test, start simultaneously heating arrangement, the high-temperature temperature point that specimen holder can reach setting can carry out the high temperature test of sample.
Claims (5)
1. high low temperature test device, include the bracing frame that is arranged on the bottom, it is characterized in that: also include the inner bag cylindrical shell, the outer cover cylindrical shell, uncovered and the inner bag cylinder body bottom open-mouth of described inner bag cylinder body bottom is provided with the inner bag flange that consists of sealing with the inner bag cylindrical shell, the inner bag cylindrical shell is fixed on bracing frame by the inner bag flange, inner bag cylindrical shell top is provided with the specimen holder with fin type heat exchanger, be fixed with electric heater unit around specimen holder, described outer cover cylindrical shell top is provided with evacuated interface, uncovered and the outer cover cylinder body bottom open-mouth of outer cover cylinder body bottom is provided with the outer cover flange that consists of sealing with the outer cover cylindrical shell, described outer cover cylindrical shell covers on the external and outer cover cylindrical shell of internal container cylinder and is fixed on the inner bag flange by the outer cover flange, be provided with the Cryo Refrigerator that is fixed on inner bag flange bottom in support frame as described above, Cryo Refrigerator has the one-level cold head and is connected to the secondary cold head on one-level cold head top, the one-level cold head of Cryo Refrigerator, the secondary cold head stretches in the inner bag cylindrical shell from the inner bag cylinder body bottom respectively, wherein one-level cold head overcoat has with the inner bag cylinder inboard wall continuously apart from the one-level helium separation layer that contacts, secondary cold head overcoat has with the inner bag cylinder inboard wall continuously apart from the helium water conservancy diversion separation layer that contacts.
2. a kind of high low temperature test device according to claim 1 is characterized in that: the sidepiece of described inner bag cylindrical shell respectively by skirt be communicated with safety valve, the inflatable interface of finding time, the inner bag cylinder body bottom is communicated with the test lead interface by skirt.
3. a kind of high low temperature test device according to claim 1, is characterized in that: also be provided with temperature sensor on described specimen holder.
4. a kind of high low temperature test device according to claim 1, it is characterized in that: described outer cover cylindrical shell top is also uncovered, and outer cover cylindrical shell open top place is covered with the outer cover upper cover, and described evacuated interface is arranged on outer cover and covers.
5. a kind of high low temperature test device according to claim 1, it is characterized in that: described Cryo Refrigerator is back-heating type or cold storage Cryo Refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644537 CN203025170U (en) | 2012-11-29 | 2012-11-29 | High and low temperature test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644537 CN203025170U (en) | 2012-11-29 | 2012-11-29 | High and low temperature test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203025170U true CN203025170U (en) | 2013-06-26 |
Family
ID=48649149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220644537 Withdrawn - After Issue CN203025170U (en) | 2012-11-29 | 2012-11-29 | High and low temperature test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203025170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998424A (en) * | 2012-11-29 | 2013-03-27 | 安徽万瑞冷电科技有限公司 | High temperature and low temperature testing device |
| CN111473192A (en) * | 2020-04-13 | 2020-07-31 | 北京大学 | Ultrahigh vacuum compatible thermal radiation shielding device and shielding method thereof |
-
2012
- 2012-11-29 CN CN 201220644537 patent/CN203025170U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998424A (en) * | 2012-11-29 | 2013-03-27 | 安徽万瑞冷电科技有限公司 | High temperature and low temperature testing device |
| CN102998424B (en) * | 2012-11-29 | 2014-11-05 | 安徽万瑞冷电科技有限公司 | High temperature and low temperature testing device |
| CN111473192A (en) * | 2020-04-13 | 2020-07-31 | 北京大学 | Ultrahigh vacuum compatible thermal radiation shielding device and shielding method thereof |
| CN111473192B (en) * | 2020-04-13 | 2021-03-02 | 北京大学 | Ultrahigh vacuum compatible thermal radiation shielding device and shielding method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102998424B (en) | High temperature and low temperature testing device | |
| CN106025438B (en) | Vehicle lithium battery humidity control system and its control method | |
| CN101793850B (en) | Testing device suitable for measuring constant-pressure specific heat capacity of flow fluid | |
| CN206515429U (en) | A kind of insulating paper is uneven to accelerate thermal ageing test device | |
| CN203025170U (en) | High and low temperature test device | |
| CN103335909A (en) | High-low temperature impact test box | |
| CN103615823B (en) | A kind of can the Stirling-throttling composite refrigerator of fast-refrigerating | |
| CN103925759A (en) | Wide-temperature-range control thermostat for thermophysical property | |
| CN103969291B (en) | A kind of stable state calorimeter method hemispherical emissivity tester | |
| CN105675381A (en) | Super-low-vibration helium cold accumulation system and control method thereof | |
| CN105044142A (en) | Wide-temperature-zone controllable material thermophysical property measurement system | |
| CN210965154U (en) | Liquid nitrogen high-low temperature test box | |
| CN203746611U (en) | Optimumintelligent control system for temperature difference of winding and oil flow of main transformer | |
| CN206132495U (en) | Superconducting material power under extremely low alternating temperature environment thermal coupling loading system | |
| CN206249121U (en) | Temperature control system, environmental simulation system and reliability testing equipment | |
| CN206479262U (en) | A kind of internal heating type stem body temperature checking device | |
| CN104317336B (en) | Control method of pressure control apparatus of low-temperature working medium immersion type superconducting magnet | |
| CN106099245A (en) | A kind of Intelligent lithium battery temperature control system and control method thereof | |
| CN110096079A (en) | A kind of control system and method for low temperature sample stage | |
| CN106679969B (en) | A kind of simulated testing system and test method for aircraft rudder transmission mechanism | |
| CN109855795A (en) | A kind of fission opposite opened high/low temperature experimental provision | |
| CN221078521U (en) | Thermal insulation performance detection device based on graphene aerogel | |
| CN106129524B (en) | Vehicle lithium battery temperature control system and its control method | |
| CN104535344B (en) | Standard Duvel for measuring refrigeration performance of linear type pulse tube refrigerating machines and manufacturing method | |
| CN103808560A (en) | Continuous temperature control static mechanical property test system for 500-4.2K material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20141105 |
|
| RGAV | Abandon patent right to avoid regrant |