CN208865653U - Multi-axis turntable high-low temperature test chamber - Google Patents
Multi-axis turntable high-low temperature test chamber Download PDFInfo
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- CN208865653U CN208865653U CN201821497244.5U CN201821497244U CN208865653U CN 208865653 U CN208865653 U CN 208865653U CN 201821497244 U CN201821497244 U CN 201821497244U CN 208865653 U CN208865653 U CN 208865653U
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- silicone oil
- axis turntable
- low temperature
- test box
- heat exchanger
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Abstract
The utility model discloses a kind of multi-axis turntable high-low temperature test chamber, including multi-axis turntable, refrigeration system and test box, the test box is mounted on multi-axis turntable；The refrigeration system includes the refrigerating plant of silicone oil heat exchanger, silicone oil inlet/outlet pipe and outside, silicone oil heat exchanger is mounted on inside test box, the silicone oil pipeline of external refrigeration device is connected to silicone oil inlet/outlet pipe, and the silicone oil inlet/outlet pipe other end is connected to the silicone oil heat exchanger inside test box.The utility model drives the frame for intersecting installation by using different motors, can effectively realize polyaxial rotation, the compound movement condition of the polyaxial rotation of sample in simulating practical service environment.The utility model uses low temperature liquid silicone oil, is realized and is freezed by silicone oil heat exchanger, will not generated airborne noise, can interfere to avoid noise to the test of sample, improve the accuracy of test.
Description
Technical field
The utility model relates to testing equipment field, especially a kind of multiaxis that can simulate high temperature and low-temperature test condition
Turntable high-low temperature test chamber.
Background technique
In testing equipment field, the device of test performance is much needed, is needed in multi-axis turning and different temperatures, humidity
Etc. under environmental conditions, influence of the test environment conditions to measured device performance.Such as it is widely used in the fields such as navigation, positioning
Gyroscope, when test, gyroscope is placed in closed test box, and then multi-axis turning device drives test box to realize not coaxial
To the complexity rotation independently rotated, while gas in test box is controlled by temperature control equipment in test box and reaches not equality of temperature
Degree, and then gyroscope is tested under rotation condition, influence of the varying environment temperature to gyroscope performance.Traditional multi-axis turntable examination
In tryoff, by the heating devices heat air installed in test box, hot environment is simulated.For low-temperature test condition, usually
It is to be passed through test box by cold air by external refrigeration device or directly lead to low temperature nitrogen to enter test box, realizes refrigeration, but
Be due to test box test when rotating always, and use this cryogenic gas freeze when, the pipeline of transporting cold-air needs to fix
It is motionless, and then rotated with the test box of gas piping connection, cause to be difficult to realize sealing company between gas piping and test box
It connects, the mode of usually used words sealing, which is easy failure, causes cool air leakage to cause to waste, and cold air is passed directly into test
When in case, since the gas blown into from air inlet can generate gas noise, the test of gyroscope is interfered, influences to test
Accuracy.
Utility model content
The applicant is directed to traditional multi-axis turntable chamber, by being passed through cold air or low temperature nitrogen into test box
It realizes refrigeration, is sealed between gas piping and the test box of rotation and be easy failure, lead to gas leakage waste of resource and air-flow
The problems such as accuracy of the test of influence of noise caused by disturbance, provides a kind of structurally reasonable multi-axis turntable high-low temperature test chamber,
The problems such as can efficiently accomplishing to heating or freezing in test box, and leakage, noise will not occur, it is energy saving, guarantee
The accuracy of test.
Technical solution used by the utility model is as follows:
A kind of multi-axis turntable high-low temperature test chamber, including multi-axis turntable, refrigeration system and test box, the test box installation
On multi-axis turntable；The refrigeration system includes the refrigerating plant of silicone oil heat exchanger, silicone oil inlet/outlet pipe and outside, silicone oil heat exchanger
It is mounted on inside test box, the silicone oil pipeline of external refrigeration device is connected to silicone oil inlet/outlet pipe, the silicone oil inlet/outlet pipe other end and survey
Try the silicone oil heat exchanger connection inside case.
As a further improvement of the above technical scheme:
By being rotatably connected between outline border rotary joint and middle frame support at the top of the outer gimbal support of the multi-axis turntable, in
Frame bracket bottom connects center rotating electric machine；One end connects inside casing u-bracket by middle shaft rotation connector in the middle frame support,
The other end passes through the inside casing rotating electric machine connection on the outside of middle frame support；Inside casing u-bracket bottom is equipped with rotating electric machine.
Be also equipped with heater, impeller and baffle inside the test box, the baffle by silicone oil heat exchanger, heater,
Impeller is separated with test platform.
The silicone oil pipeline of the external refrigeration device is connected to by outline border rotary joint with silicone oil inlet/outlet pipe, silicone oil inlet/outlet pipe
The other end is connect by middle shaft rotation connector with the silicone oil heat exchanger inside test box.
Between the silicone oil pipeline and silicone oil inlet/outlet pipe and outline border rotary joint and middle shaft rotation connector of the refrigerating plant
It is sealed using end face seal mode.
Silicone oil pump, filter and refrigeration exchanger, refrigeration exchange are sequentially installed on the pipeline of the external refrigeration device
Device connects refrigeration machine.
The external refrigeration device further includes the oil expansion tank for storing silicone oil, oil expansion tank and silicone oil pipeline connection.
Temperature sensor is also equipped with inside the test box.
The beneficial effects of the utility model are as follows:
The utility model drives the frame for intersecting installation by using different motors, can effectively realize polyaxial turn
It is dynamic, the compound movement condition of the polyaxial rotation of sample in simulating practical service environment.The utility model uses low temperature liquid silicon
Oil is freezed by the realization of silicone oil heat exchanger, will not generate airborne noise, can interfere to avoid noise to the test of sample,
Improve the accuracy of test.Meanwhile it being easily achieved sealing between liquid the silicone oil pipeline and rotary joint that use, it will not occur
The problem of silicone oil leaks, stability and high reliablity, it is energy saving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the enlarged drawing in the portion A in Fig. 1.
In figure: 1, outline border rotary joint；2, silicone oil inlet/outlet pipe；3, test box；4, silicone oil heat exchanger；5, heater；6, leaf
Wheel；7, middle shaft rotation connector；8, middle frame support；9, center rotating electric machine；10, rotating electric machine；11, inside casing rotating electric machine；12, interior
Frame u-bracket；13, outer gimbal support；14, silicone oil pumps；15, filter；16, freeze exchanger；17, refrigeration machine；18, expansion oil
Case；19, baffle.
Specific embodiment
With reference to the accompanying drawing, illustrate specific embodiment of the present utility model.
As shown in Figure 1, the multi-axis turntable high-low temperature test chamber of the utility model includes multi-axis turntable, refrigeration system and test
Case 3, test box 3 are mounted in multi-axis turntable.The outer gimbal support 13 of multi-axis turntable fixes on the ground, in 13 top of outer gimbal support
By being rotatably connected between outline border rotary joint 1 and middle frame support 8,8 bottom of middle frame support is connected with center rotation for centre position
Motor 9, center rotating electric machine 9 can drive middle frame support 8 with outline border rotary joint 1 for axis rotation.One end is logical in middle frame support 8
It crosses middle shaft rotation connector 7 and connects inside casing u-bracket 12, the other end is connected by the inside casing rotating electric machine 11 in 8 outside of middle frame support,
Inside casing rotating electric machine 11 can drive inside casing u-bracket 12 to rotate.12 bottom of inside casing u-bracket is equipped with rotating electric machine 10, rotation
Test platform inside 10 connecting test case 3 of rotating motor can drive the to be tested of test platform and fixed placement above
Sample rotation.
As depicted in figs. 1 and 2, silicone oil heat exchanger 4, heater 5, impeller 6 and baffle 19, silicon are installed inside test box 3
Oil heat exchanger 4, heater 5, impeller 6 are located at 19 top of baffle, separate with internal test platform.The refrigeration system of the utility model
System includes the refrigerating plant of silicone oil heat exchanger 4, silicone oil inlet/outlet pipe 2 and outside, and the silicone oil pipeline of external refrigeration device passes through outline border
Rotary joint 1 is connected to silicone oil inlet/outlet pipe 2, and 2 other end of silicone oil inlet/outlet pipe passes through the silicon inside middle shaft rotation connector 7 and test box
Oil heat exchanger 4 is connected to, by silicone oil heat exchanger 4 to the gas refrigeration inside test box 3, the silicone oil pipeline and silicon of refrigerating plant
It is sealed between oily inlet/outlet pipe 2 and outline border rotary joint 1 and middle shaft rotation connector 7 using end face seal mode.External refrigeration device
Pipeline on be sequentially installed with silicone oil pump 14, filter 15 and refrigeration exchanger 16, refrigeration exchanger 16 connect refrigeration machine 17, system
Cold 17 works, and the temperature of silicone oil in pipeline can be reduced by the exchanger 16 that freezes.External refrigeration device further includes storage silicon
The oil expansion tank 18 of oil, oil expansion tank 18 and silicone oil pipeline connection.Meanwhile it being also equipped with temperature sensor inside test box 3, lead to
The difference for crossing the actual temperature and set temperature in detecting test box 3, feeds back to chamber control system, control heater 5 or
The work of person's refrigeration system, makes to reach set temperature inside test box 3.
When the multi-axis turntable work of the utility model, the work of center rotating electric machine 9 drives middle frame support 8 to rotate, inside casing rotation
Rotating motor 11 can drive inside casing u-bracket 12 to rotate, and rotating electric machine 10 drives the examination of test platform and fixed placement above
Sample rotation, makes sample realize polyaxial rotation, can effectively simulate the polyaxial rotation of sample in the actual use environment
Compound movement condition.When needing hot environment in test box 3, heater 5 heats air, while impeller 6 is in external motor
Be rotated by, drive air above and below the baffle 19 between form gas circulation, be evenly heated air, improve chamber
The uniformity of 3 internal temperatures.When needing low temperature environment, 14 operation of silicone oil pump of refrigeration system drives silicone oil to pass through filter
15 remove impurity, and then silicone oil carries out heat exchange with refrigeration machine 17, silicone oil temperature is reduced to target temperature by refrigeration exchanger 16
Degree, finally enters silicone oil heat exchanger 4 along the path of outline border rotary joint 1, silicone oil inlet/outlet pipe 2 and middle shaft rotation connector 7, in impeller
Heat exchange is realized with 3 inner air of chamber under the action of 6, reduces the gas temperature in test box 3.
When the refrigeration system work of the utility model, due to not directly to cold air is injected inside test box 3, no
Airborne noise can be generated, the test of sample can be interfered to avoid noise, improve the accuracy of test.Moreover, this is practical
The novel low temperature silicone oil using liquid enters the silicone oil heat exchanger 4 inside test box 3, is realized and is freezed by heat exchange, and liquid
End face seal mode is used between the pipeline and rotary joint that silicone oil uses, it is easy to realize sealing, silicone oil leakage will not occur
The problem of, stability and high reliablity are energy saving.
Above description is the explanation to the utility model, is not the restriction to utility model, without prejudice to the utility model
In the case where spirit, the utility model can make any type of modification.
Claims (8)
1. a kind of multi-axis turntable high-low temperature test chamber, it is characterised in that: including multi-axis turntable, refrigeration system and test box (3), institute
Test box (3) is stated to be mounted on multi-axis turntable；The refrigeration system includes silicone oil heat exchanger (4), silicone oil inlet/outlet pipe (2) and outside
Refrigerating plant, silicone oil heat exchanger (4) is mounted on that test box (3) is internal, and the silicone oil pipeline and silicone oil of external refrigeration device pass in and out
(2) connection is managed, silicone oil inlet/outlet pipe (2) other end is connected to the silicone oil heat exchanger (4) inside test box.
2. multi-axis turntable high-low temperature test chamber described in accordance with the claim 1, it is characterised in that: the outline border branch of the multi-axis turntable
By being rotatably connected between outline border rotary joint (1) and middle frame support (8) at the top of frame (13), the connection of middle frame support (8) bottom
Center rotating electric machine (9)；The interior one end of the middle frame support (8) connects inside casing u-bracket (12) by middle shaft rotation connector (7),
The other end passes through inside casing rotating electric machine (11) connection on the outside of middle frame support (8)；Inside casing u-bracket (12) bottom is equipped with
Rotating electric machine (10).
3. multi-axis turntable high-low temperature test chamber described in accordance with the claim 1, it is characterised in that: inside the test box (3) also
Having heaters (5), impeller (6) and baffle (19) be installed, the baffle (19) is by silicone oil heat exchanger (4), heater (5), impeller
(6) it is separated with test platform.
4. multi-axis turntable high-low temperature test chamber according to claim 2, it is characterised in that: the silicon of the external refrigeration device
Oil pipe line is connected to by outline border rotary joint (1) with silicone oil inlet/outlet pipe (2), and silicone oil inlet/outlet pipe (2) other end passes through middle shaft rotation
Connector (7) is connect with the silicone oil heat exchanger (4) inside test box.
5. multi-axis turntable high-low temperature test chamber according to claim 4, it is characterised in that: the silicone oil pipe of the refrigerating plant
It is close using end face seal mode between road and silicone oil inlet/outlet pipe (2) and outline border rotary joint (1) and middle shaft rotation connector (7)
Envelope.
6. multi-axis turntable high-low temperature test chamber described in accordance with the claim 1, it is characterised in that: the pipe of the external refrigeration device
Road is sequentially installed with silicone oil pump (14), filter (15) and refrigeration exchanger (16), and refrigeration exchanger (16) connects refrigeration machine
(17).
7. multi-axis turntable high-low temperature test chamber described in accordance with the claim 1, it is characterised in that: the external refrigeration device also wraps
Include the oil expansion tank (18) of storage silicone oil, oil expansion tank (18) and silicone oil pipeline connection.
8. multi-axis turntable high-low temperature test chamber described in accordance with the claim 1, it is characterised in that: inside the test box (3) also
Temperature sensor is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821497244.5U CN208865653U (en) | 2018-09-13 | 2018-09-13 | Multi-axis turntable high-low temperature test chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821497244.5U CN208865653U (en) | 2018-09-13 | 2018-09-13 | Multi-axis turntable high-low temperature test chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208865653U true CN208865653U (en) | 2019-05-17 |
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ID=66467624
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821497244.5U Active CN208865653U (en) | 2018-09-13 | 2018-09-13 | Multi-axis turntable high-low temperature test chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296856A (en) * | 2019-07-16 | 2019-10-01 | 广州五所环境仪器有限公司 | A kind of cold axis rotating environment testing equipment of air-swirl control |
-
2018
- 2018-09-13 CN CN201821497244.5U patent/CN208865653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296856A (en) * | 2019-07-16 | 2019-10-01 | 广州五所环境仪器有限公司 | A kind of cold axis rotating environment testing equipment of air-swirl control |
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