CN208109672U - The low temperature test device of controllable temperature - Google Patents
The low temperature test device of controllable temperature Download PDFInfo
- Publication number
- CN208109672U CN208109672U CN201820350850.8U CN201820350850U CN208109672U CN 208109672 U CN208109672 U CN 208109672U CN 201820350850 U CN201820350850 U CN 201820350850U CN 208109672 U CN208109672 U CN 208109672U
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- Prior art keywords
- low temperature
- cryostat
- test device
- temperature
- controllable
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Abstract
The utility model provides a kind of low temperature test device of controllable temperature, for performance test of the element to be detected under low temperature, low temperature resistant fixture, tester and driving mechanism including cryostat, cryogenic media part, clamping element to be detected, cryogenic media part includes liquid nitrogen bottle, liquid nitrogen bottle is connected to cryostat, driving mechanism connecting test instrument and low temperature resistant fixture, the low temperature resistant fixture of driving mechanisms control is in the movement of the cryostat,.The low temperature test device of controllable temperature provided by the utility model, the temperature in cryostat, can be made to reach the low temperature requirements that element to be tested is tested under cryogenic by liquid nitrogen bottle, structure is simple, easy for installation and test result is reliable and stable, and the use for element to be tested under cryogenic conditions provides better safety guarantee.
Description
Technical field
The utility model belongs to peel test field more particularly to a kind of low temperature test device of controllable temperature.
Background technique
Mechanical strength is the important indicator of a variety of mechanical organ performances such as characterization circuit plate, including tensile strength, bending are by force
Degree, flexural strength and peel strength etc..Currently, what the test of mechanical strength was mainly completed at normal temperature, but actually make
With in the process, most mechanical organs need to use under cryogenic, at this point, the mechanical index measured under room temperature can not be accurate
Characterization mechanical organ performance at low temperature, bring security risk to actual use.
Copper-clad plate is using more mechanical organ in real life, and peel strength is to characterize the important indicator of copper-clad plate,
Currently, the measurement of copper-clad plate peel strength mainly uses peel strength analyzer to be measured at normal temperature.As the country is practical
New patent 201120348992.9 discloses a kind of peel strength tester, mainly includes three-dimensional samples platform for placing, covers foil folder
Tool, force-measuring module, motion-control module and display module can be efficiently accomplished to printed circuit at normal temperature with this tester
Plate peel strength test, and it is convenient test, quick.But in practical application, copper-clad plate has a wide range of application, and application environment is not only
It is limited only to room temperature, sometimes under extreme conditions, the temperature of use environment reaches -100 DEG C.At this point, the stripping measured at normal temperature
From intensity, the reliability of copper-clad plate under cryogenic cannot be accurately characterized.Therefore, need to develop it is a kind of can be in low temperature
Under the conditions of to the mechanical organs such as copper-clad plate carry out measuring mechanical property low temperature test device.
Utility model content
The purpose of this utility model is to provide the low temperature surveys for the controllable temperature that one kind can be tested under cryogenic
Trial assembly is set.
To achieve the above object, the utility model provides a kind of low temperature test device of controllable temperature, is used for element to be detected
Performance test under low temperature, including cryostat, cryogenic media part, the low temperature resistant fixture of the clamping element to be detected, test
Instrument and driving mechanism, the cryogenic media part includes liquid nitrogen bottle, and the liquid nitrogen bottle is connected to the cryostat, and the driving mechanism connects
The tester and the low temperature resistant fixture are connect, low temperature resistant fixture described in the driving mechanisms control is in the fortune of the cryostat,
It is dynamic.
Preferably, the cryostat, is in the hollow structure of top end opening.
Preferably, the cryogenic media part further includes the medium element of bearing medium, the liquid nitrogen bottle and the cryostat,
Between be connected with control valve, the cryostat, is equipped with the medium inlet entered for the medium in the medium element.
Preferably, the control valve includes controlling the flow control valve of nitrogen flow and opening for the control liquid nitrogen bottle start and stop
Stop control valve.Specifically, flow control valve is solenoid valve, can be automatically controled nitrogen flow, and start-up and shut-down control valve is hand-operated valve, manually
The start and stop of operation control liquid nitrogen bottle.Manually open start-up and shut-down control valve, open liquid nitrogen bottle, by flow control valve, automatically adjust into
Enter the nitrogen flow of cryostat, medium is provided by medium element, is entered cryostat, by medium inlet, is adjusted nitrogen in cryostat,
With the ratio of medium, the temperature in cryostat, is made to reach the temperature of setting.
Preferably, the medium inlet is connected to the inside of the cryostat, by tee pipe fitting, the tee pipe fitting it is another
One end is equipped with dump valve.
Preferably, being provided with liquidometer and temperature sensor on the cryostat,.It is accurate by the liquidometer on cryostat,
Measure the amount of capacity of medium in cryostat, it is ensured that the dielectric capacity of addition reaches set requirement.Pass through temperature sensor
The temperature in cryostat, is monitored in real time, so that the temperature in cryostat, reaches the temperature of setting.
Preferably, the low temperature resistant fixture includes the clamp fixing plate and connecting plate for placing element to be detected, it is described resistance to low
Warm fixture is connect with the driving mechanism by the connecting plate, and the clamp fixing plate is by the connecting plate and the driving
Mechanism connection.
Preferably, the low temperature resistant fixture further includes low temperature tank cover plate, it is solid that the low temperature tank cover plate is set to the fixture
The top of fixed board, the low temperature tank cover plate are connected to the connecting plate, and the driving mechanism drives the low temperature tank cover plate by institute
State the top end opening sealing of cryostat,.Low temperature tank cover plate seals cryostat, keeps the temperature in cryostat, to be in stable low
Under the conditions of temperature.
Preferably, being provided with sealing element corresponding with the cryostat, cap locations at the top end opening of the cryostat,.
Compared with prior art, the low temperature test device of controllable temperature provided by the utility model, by will be in liquid nitrogen bottle
Nitrogen inputs cryostat, to control the temperature of cryostat, and the temperature in cryostat, is made to reach the low temperature requirements of setting.Low temperature resistant folder
Tool clamps element to be detected, and the low temperature resistant fixture of driving mechanisms control is in the movement of cryostat, and at low ambient temperatures, tester is complete
The detection of pairs of element to be detected.In detection process, element to be detected is had been in cryostat, it is ensured that complete at low ambient temperatures
The detection of pairs of element to be detected.For copper-clad plate, the low temperature test device of controllable temperature provided by the utility model,
Copper-clad plate can be tested under cryogenic by liquid nitrogen bottle, structure is simple, easy for installation and test result stabilization can
It leans on, provides better safety guarantee for the use of copper-clad plate under cryogenic conditions.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the low temperature test device of the utility model controllable temperature.
Specific embodiment
For the technical solution of the utility model, construction feature, the technical effect realized is described in detail, below in conjunction with specific
Embodiment simultaneously cooperates attached drawing to be explained in detail.
As shown in Figure 1, the low temperature test device 100 of controllable temperature provided by the utility model includes cryostat, 1, cryogenic media
Part 2, low temperature resistant fixture 3, tester 6 and driving mechanism 4, cryogenic media part 2 are connected to cryostat, 1, can be made in cryostat, 1
Temperature reaches required low temperature range.4 connecting test instrument 6 of driving mechanism and low temperature resistant fixture 3, driving mechanism 4 control resistance to low
Warm fixture 3 is in the movement of cryostat, 1.Low temperature resistant fixture 3 clamps element to be detected, and passes through the driving of driving mechanism 4, will be to be checked
It surveys element to be put into cryostat, 1, completes the test for treating detecting element.
Continue as shown in Figure 1, cryogenic media part 2 includes liquid nitrogen bottle 21, liquid nitrogen bottle 21 is connected to cryostat, 1, and nitrogen is defeated
Enter in cryostat, 1, so that the temperature in cryostat, 1 reaches required low temperature requirements.For the temperature model for preferably controlling cryostat, 1
It encloses, cryogenic media part 2 further includes the medium element (not shown) of bearing medium, and medium can pass through the medium inlet on cryostat, 1
11 enter in cryostat,s 1, and nitrogen and medium mix in cryostat, 1, and the common temperature adjusted in cryostat, 1 reaches required low
Warm range.Cryostat, 1 is the hollow structure of top end opening, and control valve 5, control valve 5 are connected between cryostat, 1 and liquid nitrogen bottle 21
Including flow control valve 51 and start-up and shut-down control valve 52, flow control valve 51 is solenoid electric valve, can be automatically adjusted into cryostat, 1
Interior nitrogen flow, start-up and shut-down control valve 52 are hand-operated valve, can manually boot or stop liquid nitrogen bottle 21.When in use, according to required
Cryogenic conditions, select suitable medium to be combined with nitrogen, medium can be liquefied gas or liquid in addition to liquid nitrogen,
In the present embodiment, medium selects liquid.Medium inlet is connected to the inside of cryostat, by tee pipe fitting, that is to say, that tee pipe fitting
Both ends of them be connected to respectively with the inside of medium inlet and cryostat, and the other end be equipped with dump valve 16, dump valve 16 can will
Extra medium is discharged outside to.It is provided with temperature sensor 12 and liquidometer 13 on cryostat, 1, temperature sensor can be passed through
Temperature in 12 real time monitoring cryostat,s 1, liquidometer 13 can measure the medium content in cryostat, 1.In use, manually opened open
Stop control valve 52, opens liquid nitrogen bottle 21, then low-temperature range needed for setting, is added corresponding medium by medium inlet 11,
According to the temperature sensor 12 on cryostat, 1, the temperature in cryostat, 1 is monitored in real time, according to temperature measuring as a result, flow control
The aperture of 51 automatic regulating electromagnetic valve of valve, control enter the nitrogen flow of cryostat, 1, the temperature in cryostat, 1 are made to be in setting
Low-temperature range in.
Referring to Fig. 1, low temperature resistant fixture 3 includes the clamp fixing plate 32 and low temperature tank cover plate for gripping element to be detected
33, connecting plate 31 is connected between low temperature resistant fixture 3 and driving mechanism 4, clamp fixing plate 32 passes through connecting plate 31 and driving machine
Structure 4 connects, and low temperature tank cover plate 33 is also connected on connecting plate 31, and is located at the top of clamp fixing plate 32.Driving mechanism 4 includes
Mechanism 41 and left and right driving mechanism 42 are driven upside down, tester 6 is connect by left and right driving mechanism 42 with driving mechanism 4, up and down
Low temperature resistant fixture 3 is driven to move up and down for driving mechanism 41 so that low temperature resistant fixture 3 enters cryostat, 1 or far from cryostat, 1, left and right
Driving mechanism 42 drives tester 6 to move in the lateral direction, to complete to treat the detection of detecting element.In to cryostat, 1
Temperature when being in the low-temperature range of setting, element to be detected is fixed in clamp fixing plate 32, starting drives upside down machine
Structure 42 drives fixture fixed plate 32 and enters in cryostat, 1, and simultaneously carried out 1 top end opening of cryostat, with low temperature tank cover plate 33
Sealing.In order to reinforce sealing effect, in the present embodiment, it is arranged on cryostat, 1 with 33 position corresponding section of low temperature tank cover plate
There is sealing element 14.Then, after the temperature in cryostat, 1 is stablized, start left and right driving mechanism 42, tester 6 is to member to be detected
Part is tested.
The tester 6 of the utility model can be the tester for needing to carry out low-temperature test, concretely peel strength test
Instrument, tensile strength tester, bending strength tester etc..
The low temperature test device 100 of controllable temperature provided by the utility model, including it is cryostat, 1, cryogenic media part 2, resistance to low
Warm fixture 3, tester 6 and driving mechanism 4.Cryogenic media part 2 includes the medium element of liquid nitrogen bottle 21 and bearing medium, liquid nitrogen bottle
21 connection cryostat,s 1 control the temperature of cryostat, 1 by the way that nitrogen and medium are inputted cryostat, 1, make the temperature of cryostat, 1
Reach the low temperature requirements of setting.Low temperature resistant fixture 3 clamps element to be detected, and driving mechanism 4 drives low temperature resistant fixture 3 in low
In warm slot 1, at low ambient temperatures, the detection for treating detecting element is completed.In detection process, element to be detected has been at low temperature
In slot 1, it is ensured that the detection for completing to treat detecting element at low ambient temperatures can make the removing measured strong for copper-clad plate
Degree can accurately characterize the reliability of copper-clad plate under cryogenic, provide safe guarantor for the use of copper-clad plate at low temperature
Barrier.
Above disclosed is only the preferred embodiments of the utility model, and the power of the utility model cannot be limited with this
Sharp range, therefore equivalent variations made according to the claim of the utility model belong to the range that the utility model is covered.
Claims (9)
1. a kind of low temperature test device of controllable temperature, for performance test of the element to be detected under low temperature, which is characterized in that packet
Include low temperature resistant fixture, tester and the driving mechanism of cryostat, cryogenic media part, the clamping element to be detected, the low temperature
Medium member includes liquid nitrogen bottle, and the liquid nitrogen bottle is connected to the cryostat, and the driving mechanism connects the tester and described resistance to
Low temperature fixture, low temperature resistant fixture described in the driving mechanisms control is in the movement of the cryostat,.
2. the low temperature test device of controllable temperature as described in claim 1, which is characterized in that the cryostat, is in top end opening
Hollow structure.
3. the low temperature test device of controllable temperature as described in claim 1, which is characterized in that the cryogenic media part further includes holding
The medium element for carrying medium, is connected with control valve between the liquid nitrogen bottle and the cryostat, the cryostat, is equipped with described in confession
The medium inlet that medium in medium element enters.
4. the low temperature test device of controllable temperature as claimed in claim 3, which is characterized in that the control valve includes control nitrogen
The flow control valve of flow and the start-up and shut-down control valve for controlling the liquid nitrogen bottle start and stop.
5. the low temperature test device of controllable temperature as claimed in claim 3, which is characterized in that the medium inlet passes through tee tube
Part is connected to the inside of the cryostat, and the other end of the tee pipe fitting is equipped with dump valve.
6. the low temperature test device of controllable temperature as described in claim 1, which is characterized in that be provided with liquid level on the cryostat,
Meter and temperature sensor.
7. the low temperature test device of controllable temperature as claimed in claim 2, which is characterized in that the low temperature resistant fixture includes placing
The clamp fixing plate and connecting plate of element to be detected, the low temperature resistant fixture are connected with the driving mechanism by the connecting plate
It connects, the clamp fixing plate is connect by the connecting plate with the driving mechanism.
8. the low temperature test device of controllable temperature as claimed in claim 7, which is characterized in that the low temperature resistant fixture further includes low
Warm tank cover plate, the low temperature tank cover plate are set to the top of the clamp fixing plate, and the low temperature tank cover plate is connected to the company
Fishplate bar, the driving mechanism drive the low temperature tank cover plate to seal the top end opening of the cryostat,.
9. the low temperature test device of controllable temperature as claimed in claim 8, which is characterized in that at the top end opening of the cryostat,
It is provided with sealing element corresponding with the cryostat, cap locations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820350850.8U CN208109672U (en) | 2018-03-14 | 2018-03-14 | The low temperature test device of controllable temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820350850.8U CN208109672U (en) | 2018-03-14 | 2018-03-14 | The low temperature test device of controllable temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109672U true CN208109672U (en) | 2018-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820350850.8U Expired - Fee Related CN208109672U (en) | 2018-03-14 | 2018-03-14 | The low temperature test device of controllable temperature |
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| Country | Link |
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| CN (1) | CN208109672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540291A (en) * | 2020-12-30 | 2021-03-23 | 伟创力电子技术(苏州)有限公司 | All-dimensional automatic movement test system for test fixture |
-
2018
- 2018-03-14 CN CN201820350850.8U patent/CN208109672U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540291A (en) * | 2020-12-30 | 2021-03-23 | 伟创力电子技术(苏州)有限公司 | All-dimensional automatic movement test system for test fixture |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |