CN207832718U - A kind of change temperature impact test case - Google Patents
A kind of change temperature impact test case Download PDFInfo
- Publication number
- CN207832718U CN207832718U CN201820305787.6U CN201820305787U CN207832718U CN 207832718 U CN207832718 U CN 207832718U CN 201820305787 U CN201820305787 U CN 201820305787U CN 207832718 U CN207832718 U CN 207832718U
- Authority
- CN
- China
- Prior art keywords
- freezing chamber
- babinet
- liquid nitrogen
- impact test
- temperature impact
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of change temperature impact test casees,Including heating chamber,Babinet,Freezing chamber and liquid nitrogen storage box,Heating chamber and freezing chamber are offered in the babinet,The heating chamber and freezing chamber are separated by thermal-insulation baffle plate,Thermal resistance is installed in the heating chamber,The bottom end of the babinet is welded with motor cover,Motor is welded with by electric machine support in the motor cover,The shaft is rotatably installed in inserting groove,It is socketed outside the shaft and silicon rubber is installed,The outside of the silicon rubber is equipped with ceramic fiber paper,The both sides outer surface of the ceramic fiber paper is mounted on article storage frame,Lid is installed at the top of the freezing chamber,The inner bottom of the freezing chamber is equipped with liquid nitrogen storage box,Insulating layer is equipped with outside the liquid nitrogen storage box,The outer surface of the freezing chamber is equipped with gas circulator,The outer surface of the babinet offers visual window.The utility model has largely to absorb heat using when liquid nitrogen vaporization, the advantage that can be cooled down to article fast cooling.
Description
Technical field
The utility model is related to sample temperature impact test instrument technical field, specially a kind of change temperature impact test case.
Background technology
Become the test equipment that temperature impact test case is the materials industries such as metal, plastics, rubber, electronics indispensability, for testing
Material structure or composite material, the degree endured under the continuous environment through very high temperature and extremely low temperature under moment, are able to most short
Chemical change or physical injury of the detection sample caused by expanding with heat and contract with cold in time.But previous change temperature impact test case uses
Refrigeration modes are compressed, cooling velocity is big compared with slow and power consumption, violates environmentally protective, energy-saving and emission-reduction theory.
Utility model content
The purpose of this utility model is to provide a kind of change temperature impact test casees, have and are largely inhaled using when liquid nitrogen vaporization
Heat, the advantage that can be cooled down to article fast cooling solve previous change temperature impact test case using compression refrigeration modes, cooling
Speed is big compared with slow and power consumption, violate it is environmentally protective, the problem of energy-saving and emission-reduction theory.
To achieve the above object, the utility model provides the following technical solutions：A kind of change temperature impact test case, including heating
Chamber, babinet, freezing chamber and liquid nitrogen storage box offer heating chamber and freezing chamber, the heating chamber and freezing chamber in the babinet
Separated by thermal-insulation baffle plate, thermal resistance is installed, the both ends of the thermal resistance are equipped with thermal resistance contact, described in the heating chamber
The bottom end quadrangle of babinet is equipped with support column, and the bottom end of the babinet is welded with motor cover, passes through electric machine support in the motor cover
It is welded with motor, the output end grafting of the motor is equipped with shaft, inserting groove, the shaft are offered in the thermal-insulation baffle plate
It being rotatably installed in inserting groove, is socketed outside the shaft and silicon rubber is installed, the outside of the silicon rubber is equipped with ceramic fiber paper,
The both sides outer surface of the ceramic fiber paper is mounted on article storage frame, and lid, institute are equipped at the top of the freezing chamber
The top surface for stating lid is welded with handle, and the inner bottom of the freezing chamber is equipped with liquid nitrogen storage box, the liquid nitrogen storage
Insulating layer is equipped with outside case, the liquid nitrogen storage box is equipped with liquid nitrogen inlet close to the side of cabinet wall, the freezing chamber
Outer surface is equipped with gas circulator, and the gas circulator inside tracheae and freezing chamber by being connected to, outside the babinet
Surface offers visual window.
Preferably, there are two the tracheae is set altogether, and two tracheaes are symmetrical at the both ends of gas circulator.
Preferably, the liquid nitrogen storage box is connected to by liquid nitrogen inlet with outside.
Preferably, it is prism-shaped that the shaft, which is located at silicon rubber,.
Preferably, the inserting groove on the thermal-insulation baffle plate is cylindric.
Preferably, two article storage frames are symmetrical in the both side surface of ceramic fiber paper.
Preferably, there are two the visual window is set altogether, and two visual windows are symmetrical in the outer surface of babinet.
Compared with prior art, the beneficial effects of the utility model are as follows：
1, the utility model has achieved the effect that make to be rapidly heated in heating chamber, can make heating chamber by the way that thermal resistance is arranged
Quickly article is heated, thermal resistance quick heating and heating temperature stabilization, by the way that gas circulator is arranged, having reached makes freezing
The effect of intracavity gas cycle makes the colder gas circulation at liquid nitrogen storage box be moved to other positions, makes in freezing chamber
More uniform temperature.
2, the utility model has achieved the effect that store liquid nitrogen by setting liquid nitrogen storage box, big when using liquid nitrogen vaporization
Amount heat absorption, can be such that the article in freezing chamber is quickly cooled down, and by the way that motor is arranged, having reached can make silicane rubber plate rotation move article
It moves to the other side and carries out alternating temperature impact.
3, the utility model has achieved the effect that separate heating chamber in babinet and freezing chamber by setting silicon rubber,
And there are silicon rubber tool the performances such as excellent heat resistance, cold resistance, dielectricity, resistance to ozone and resistance to atmospheric aging, silicon rubber to protrude
Performance be temperature in use broadness, can be used for a long time at -60 DEG C to+250 DEG C.
4, the utility model by be arranged ceramic fiber paper, ceramic fiber paper have low heat capacity, thermal conductivity；Excellent
Electrical insulation capability；Excellent machining property easily cuts, resists strong, anti-tear pull；High-flexibility；The advantages of low shot content, reaches
The effect for having arrived the heat transfer for reducing heating chamber reduces the influence of the temperature of heating chamber to the temperature of freezing chamber.
Description of the drawings
Fig. 1 is the main structure diagram of the utility model；
Fig. 2 is the main view appearance diagram of the utility model；
Fig. 3 is the vertical view appearance diagram of the utility model；
Fig. 4 is enlarged drawing at A in Fig. 1 of the utility model.
In figure：1- support columns；2- heating chambers；3- babinets；4- thermal resistances；5- thermal resistances contact；6- lids；7- handles；8-
Tracheae；9- freezing chambers；10- gas circulators；11- insulating layers；12- liquid nitrogen inlets；13- liquid nitrogen storage boxes；14- motors；15-
Electric machine support；16- motor covers；17- article storage frames；18- silicon rubber；19- ceramic fiber papers；20- thermal-insulation baffle plates；21- is visual
Window；22- inserting grooves；23- shafts.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig.4, a kind of embodiment provided by the utility model：A kind of change temperature impact test case, including heating
Chamber 2, babinet 3, freezing chamber 9 and liquid nitrogen storage box 13 offer heating chamber 2 and freezing chamber 9, heating chamber 2 and freezing chamber in babinet 3
9 are separated by thermal-insulation baffle plate 20, thermal resistance 4 are equipped in heating chamber 2, by the way that thermal resistance 4 is arranged, reached makes the utility model
The effect being rapidly heated in heating chamber 2 can be such that heating chamber 2 is quickly heated to article, 4 quick heating of thermal resistance and heating temperature
Stablize, the both ends of thermal resistance 4 are equipped with thermal resistance contact 5, and the bottom end quadrangle of babinet 3 is equipped with support column 1, and the bottom end of babinet 3 is welded
There is motor cover 16, motor cover 16 is interior to be welded with motor 14 by electric machine support 15, and motor connect with external single-chip microcomputer signal, passes through
Motor 14 is set, and having reached, which can make the rotation of silicane rubber plate 18 move the item to the other side, carries out alternating temperature impact, and motor 14 uses
ZH110HB201-1955A formula two-phase stepping motors, small, low noise which goes out that torque is big, and the motor feels hot, high speed stops flat
It is steady quickly, vibration noise is small, fast response time, and the occasion of frequent start-stop, the output end grafting of motor 14 is suitble to be equipped with shaft
23, it is prism-shaped that shaft 23, which is located at silicon rubber 18, and inserting groove 22, the grafting on thermal-insulation baffle plate 20 are offered in thermal-insulation baffle plate 20
Slot 22 is cylindric, and shaft 23 is rotatably installed in inserting groove 22, is socketed outside shaft 23 and is equipped with silicon rubber 18, the utility model
By the way that silicon rubber 18 is arranged, achieve the effect that separate heating chamber 2 in babinet 3 and freezing chamber 9, and silicon rubber 18 has
The performances such as excellent heat resistance, cold resistance, dielectricity, resistance to ozone and resistance to atmospheric aging, 18 performance outstanding of silicon rubber are to use
Temperature is broad, can be used for a long time at -60 DEG C to+250 DEG C, and the outside of silicon rubber 18 is equipped with ceramic fiber paper 19, this practicality is new
Type by be arranged ceramic fiber paper 19, ceramic fiber paper 19 have low heat capacity, thermal conductivity；Excellent electrical insulation capability；It is excellent
Good machining property easily cuts, resists strong, anti-tear pull；High-flexibility；The advantages of low shot content, has reached reduction heating
The effect of the heat transfer of chamber 2 reduces influence of the temperature to the temperature of freezing chamber 9 of heating chamber 2, the both sides of ceramic fiber paper 19
Outer surface is mounted on article storage frame 17, and two article storage frames 17 symmetrically divide in the both side surface of ceramic fiber paper 19
The top of cloth, freezing chamber 9 is equipped with lid 6, and the top surface of lid 6 is welded with handle 7, the inner bottom installation of freezing chamber 9
There are liquid nitrogen storage box 13, the utility model to achieve the effect that store liquid nitrogen, utilized liquid nitrogen vapour by the way that liquid nitrogen storage box 13 is arranged
It largely absorbs heat when change, the article in freezing chamber 9 can be made to be quickly cooled down, 13 outside of liquid nitrogen storage box is equipped with insulating layer 11, and liquid nitrogen is deposited
It puts case 13 and is equipped with liquid nitrogen inlet 12 close to the side of 3 inner wall of babinet, liquid nitrogen storage box 13 passes through liquid nitrogen inlet 12 and outside
The outer surface of connection, freezing chamber 9 is equipped with gas circulator 10, and gas circulator 10 uses VML801.5 type gas transports
Pump, gas transport pump have long lifespan, and interference is low, non-maintaining, and can install in any direction, and gas circulator 10 passes through gas
Pipe 8 is connected to 9 inside of freezing chamber, by the way that gas circulator 10 is arranged, has been achieved the effect that make gas circulation in freezing chamber 9, made
Colder gas circulation is moved to other positions at liquid nitrogen storage box 13, makes the more uniform temperature in freezing chamber 9, tracheae 8
There are two setting altogether, and two tracheaes 8 are symmetrical at the both ends of gas circulator 10, and the outer surface of babinet 3 offers visual window
21, there are two visual window 21 is set altogether, and two visual windows 21 are symmetrical in the outer surface of babinet 3.
Operation principle：In utility model works, user opens the lid 6 at 9 top of freezing chamber by handle 7, will
Article is positioned in the article storage frame 17 installed on ceramic fiber paper 19, and lid 6 is covered, and thermal resistance 4 is connected external electrical
Liquid nitrogen is added by liquid nitrogen inlet 12 in liquid nitrogen storage box 13, largely absorbs heat using when liquid nitrogen vaporization, can make freezing chamber by source
Article in 9 is quickly cooled down, and motor 14 is connect with the external single-chip microcomputer signal containing control instruction, motor 14 is connected electricity
Source, the microcontroller control rotation of motor 14 make silicon rubber 18 rotate 180 °, move the item in heating chamber 2, article is made quickly to rise
Temperature carries out change temperature impact test.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (7)
1. a kind of change temperature impact test case, including heating chamber（2）, babinet（3）, freezing chamber（9）With liquid nitrogen storage box（13）, special
Sign is：The babinet（3）Inside offer heating chamber（2）And freezing chamber（9）, the heating chamber（2）And freezing chamber（9）Pass through guarantor
Temperature dummy plate（20）Separate, the heating chamber（2）Thermal resistance is inside installed（4）, the thermal resistance（4）Both ends equipped with thermal resistance touch
Point（5）, the babinet（3）Bottom end quadrangle be equipped with support column（1）, the babinet（3）Bottom end be welded with motor cover（16）, institute
State motor cover（16）Inside pass through electric machine support（15）It is welded with motor（14）, the motor（14）Output end grafting be equipped with turn
Axis（23）, the thermal-insulation baffle plate（20）Inside offer inserting groove（22）, the shaft（23）It is rotatably installed in inserting groove（22）It is interior,
The shaft（23）Outer socket is equipped with silicon rubber（18）, the silicon rubber（18）Outside be equipped with ceramic fiber paper（19）, institute
State ceramic fiber paper（19）Both sides outer surface be mounted on article storage frame（17）, the freezing chamber（9）Top installation
There is lid（6）, the lid（6）Top surface be welded with handle（7）, the freezing chamber（9）Inner bottom liquid is installed
Nitrogen storage box（13）, the liquid nitrogen storage box（13）Outside is equipped with insulating layer（11）, the liquid nitrogen storage box（13）Close to babinet
（3）The side of inner wall is equipped with liquid nitrogen inlet（12）, the freezing chamber（9）Outer surface gas circulator is installed（10）,
The gas circulator（10）Pass through tracheae（8）With freezing chamber（9）Inside connection, the babinet（3）Offer can for outer surface
Form（21）.
2. a kind of change temperature impact test case according to claim 1, it is characterised in that：The tracheae（8）There are two setting altogether,
And two tracheaes（8）In gas circulator（10）Both ends it is symmetrical.
3. a kind of change temperature impact test case according to claim 1, it is characterised in that：The liquid nitrogen storage box（13）Pass through
Liquid nitrogen inlet（12）It is connected to outside.
4. a kind of change temperature impact test case according to claim 1, it is characterised in that：The shaft（23）Positioned at silicon rubber
（18）Place is prism-shaped.
5. a kind of change temperature impact test case according to claim 1, it is characterised in that：The thermal-insulation baffle plate（20）On insert
Access slot（22）It is cylindric.
6. a kind of change temperature impact test case according to claim 1, it is characterised in that：Two article storage frames（17）
In ceramic fiber paper（19）Both side surface it is symmetrical.
7. a kind of change temperature impact test case according to claim 1, it is characterised in that：The visual window（21）It is equipped with two altogether
It is a, and two visual windows（21）In babinet（3）Outer surface it is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820305787.6U CN207832718U (en) | 2018-03-06 | 2018-03-06 | A kind of change temperature impact test case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820305787.6U CN207832718U (en) | 2018-03-06 | 2018-03-06 | A kind of change temperature impact test case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207832718U true CN207832718U (en) | 2018-09-07 |
Family
ID=63398931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820305787.6U Active CN207832718U (en) | 2018-03-06 | 2018-03-06 | A kind of change temperature impact test case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207832718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847811A (en) * | 2019-02-26 | 2019-06-07 | 重庆平伟实业股份有限公司 | Utilize the semiconductor devices cryogenic test equipment of liquid nitrogen gasification process cooling capacity |
| CN112858371A (en) * | 2021-02-02 | 2021-05-28 | 桂林理工大学 | Indoor building thermal environment experimental box |
-
2018
- 2018-03-06 CN CN201820305787.6U patent/CN207832718U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847811A (en) * | 2019-02-26 | 2019-06-07 | 重庆平伟实业股份有限公司 | Utilize the semiconductor devices cryogenic test equipment of liquid nitrogen gasification process cooling capacity |
| CN112858371A (en) * | 2021-02-02 | 2021-05-28 | 桂林理工大学 | Indoor building thermal environment experimental box |
| CN112858371B (en) * | 2021-02-02 | 2022-06-03 | 桂林理工大学 | Indoor building thermal environment experimental box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207832718U (en) | A kind of change temperature impact test case | |
| WO1995019533A1 (en) | Thermoelectric refrigerator | |
| CN106132160B (en) | A kind of rack air-conditioning | |
| JP2019509461A (en) | Magnetocaloric device | |
| CN206474180U (en) | The quick temperature changing test chamber of walk-in type high/low temperature | |
| CN208165057U (en) | A kind of refrigerator shelf glass transportation trolley | |
| CN207459509U (en) | A kind of freeze-day with constant temperature electric operation case | |
| CN213611419U (en) | High-precision constant-temperature constant-humidity machine | |
| CN103890508B (en) | For the cooling element of refrigerator | |
| CN208154895U (en) | A kind of refrigerating plant | |
| CN108679942A (en) | A kind of vacuum dryer | |
| CN209013522U (en) | A kind of semiconductor refrigeration system and the insulating box using semiconductor refrigeration system | |
| CN203642427U (en) | Novel modular radiant plate | |
| Kwon et al. | Operational characteristics of Stirling machinery | |
| CN207214590U (en) | A kind of refrigerator cabinet | |
| CN204891900U (en) | High low temperature moisture resistance test case | |
| CN221483944U (en) | Refrigerator with a refrigerator body | |
| CN212040530U (en) | High low temperature test box structure | |
| CN104501468B (en) | A kind of evaporative condenser provided with vacuum insulation panel | |
| CN203561100U (en) | Water-cooled type water chilling unit provided with locking mechanism | |
| CN113522394A (en) | High low temperature test box structure | |
| CN212011835U (en) | Multifunctional moisture-proof electric power cabinet | |
| CN216649419U (en) | High-performance single-phase capacitor running asynchronous motor | |
| CN209524593U (en) | A kind of air-conditioning refrigerator all-in-one machine | |
| WO2023021327A1 (en) | Flat air conditioner equipped with a triangular rotary compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |