CN206832484U - Environmental test system applied to precision instrument - Google Patents
Environmental test system applied to precision instrument Download PDFInfo
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- CN206832484U CN206832484U CN201720143293.8U CN201720143293U CN206832484U CN 206832484 U CN206832484 U CN 206832484U CN 201720143293 U CN201720143293 U CN 201720143293U CN 206832484 U CN206832484 U CN 206832484U
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- casing
- test system
- environmental test
- precision instrument
- experiment porch
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Abstract
The utility model embodiment provides a kind of environmental test system applied to precision instrument, for high precision measurement precision instrument to temperature, magnetic field, humidity, the adaptability and response characteristic of environmental factor such as tilt, including：Casing；And experiment porch, for placing tested instrument, and the experiment porch is located in the casing；Wherein, the casing is installed on ground, and the experiment porch is separately installed on foundation pier, is separated between the foundation pier and the ground by shock insulation ditch.The utility model embodiment, experiment porch is separately installed on foundation pier, therefore can reduce influence of the environmental vibration to experiment, so as to provide the environmental test system of low vibrations noise.
Description
Technical field
Technical field of measurement and test, more particularly to a kind of environmental test system applied to precision instrument are the utility model is related to,
For testing the adaptive capacity to environment of precision instrument.
Background technology
Precision instrumentation in use, is likely encountered various use environments, and these complexity use ring
Border can produce obvious influence to the reliability and service life of precision instrument.Therefore, precision instrument is before dispatching from the factory, general need pair
Its environmental suitability ability is tested.Wherein, the environmental condition that precision instrument needs to consider includes temperature, humidity, air pressure, magnetic
Field, ground inclination, ground vibration etc..
In the test process of existing precision instrument, vibrations noise is one of principal element for influenceing test.It is general and
Speech, it is desirable to shake that noise is the smaller the better, such as in the development and test process to certain precision instrument, researcher wishes to shake
Noise can be close to or smaller than 1 × 10-5m/s2.But existing environmental test system, due to the vibrations such as refrigeration compressor being made an uproar
Sound source is integrated together with casing, so as to cause the larger vibrations noise of casing.
In addition, being found in certain large volume of precision instrument development process, researcher wishes precision instrument environment
Test space is larger, and temperature stability reaches 0.01 DEG C, and the scope in field homogeneity area (change is less than 3%) reaches 0.6m and regulation
Scope reaches 300 μ T.But current environmental test system, regulating power do not reach above-mentioned requirements.
Therefore, existing environmental test system, be extremely difficult to or close to above-mentioned requirements, prior art have in fact it is improved must
Will.
Utility model content
The utility model embodiment provides a kind of environmental test system applied to precision instrument, can reduce vibrations and make an uproar
Sound, improve magnetic field test capability.
The utility model embodiment provides a kind of environmental test system applied to precision instrument, for tester
Adaptive capacity to environment, including：Casing；And experiment porch, for placing tested instrument, and the experiment porch is located at institute
State in casing；Wherein, the casing is installed on ground, and the experiment porch is separately installed on foundation pier, the foundation pier and institute
State and separated by shock insulation ditch between ground.
Wherein, the casing is installed on the ground by the first lower margin, and the experiment porch is pacified by the second lower margin
Loaded on the foundation pier.
Wherein, the experiment porch and casing are formed by non-magnetic material.
Wherein, in addition to：Temp probe, for gathering the temperature in the casing；Heat exchanger, for adjusting the casing
Interior temperature；Temperature control main frame, the difference between the temperature collected for the temperature according to setting and the temp probe, control
The heat exchanger.
Wherein, in addition to：Magnet coil, for producing through the magnetic field of the casing；Magnet field probe, it is described for detecting
Residual magnetic field in casing；Field controller, for being operated in first mode or second mode；Wherein, when in first mould
Under formula, the field controller controls the magnet coil to produce magnetic field according to the magnetic field requirements of setting；Wherein, when described
Under two modes, the field controller, the residual magnetic field for being detected according to the magnet field probe controls the magnet coil,
To reduce the residual magnetic field.
Wherein, the magnet coil is square magnet coil or circular magnet coil.
Wherein, in addition to：Skeleton, the magnet coil are installed on the skeleton, wherein the skeleton is placed in the temperature
Control the outside of casing.
Wherein, the skeleton is polyhedral structure, and at least two pairs of electricity are provided with polyhedral each face
Magnetic coil.
Wherein, in addition to：Displacement actuator, for adjusting the inclination angle of the experiment porch；Actuator control, for determining
The inclined angle and its changing rule of the experiment porch, and according to the angle and its changing rule of the determination, control institute
Rheme displacement actuator.
Wherein, in addition to：Humidistat, for adjusting the humidity in the casing；And humidity controller, for controlling
Make the humidistat.Wherein, the door for being available for passing in and out the casing is provided with the casing, and on the door
It is provided with observation window.
Wherein, the casing is wrapped up by heat-insulation layer, and the inside and outside of the heat-insulation layer cover reflective membrane.
The beneficial effect of the utility model embodiment is：
The utility model embodiment, experiment porch is separately installed on foundation pier, and is installed on if other structures (such as casing)
On ground, and separated between foundation pier and ground by shock insulation ditch, therefore influence of the environmental vibration to experiment can be reduced, so as to
Reduce the vibrations noise of the environmental test system applied to precision instrument, increased using the configuration mode of more than two pairs of magnet coils
The adjustable range and uniformity in magnetic field are added, that is, the environmental test system applied to precision instrument of low vibrations noise are provided.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the environmental test system of the present utility model applied to precision instrument；
Fig. 2 is the principle schematic of the circuit part of the environmental test system of the present utility model applied to precision instrument；
Fig. 3 is the structural representation of magnet coil part in the environmental test system applied to precision instrument.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model solves are more clearly understood, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
As shown in figure 1, it is that the structure of the embodiment of the environmental test system of the present utility model applied to precision instrument is shown
It is intended to, the environmental test system can be used for the adaptive capacity to environment of tester, that is to say, that the environmental test system can
Satisfactory test environment (such as temperature, humidity, electromagnetic field, vibrations, etc.) is provided in certain space, so as to test the quilt
Performance of the instrument of test under complicated applications environment.
As shown in figure 1, the environmental test system includes：Casing (such as temperature control casing) 7 and experiment porch (such as laboratory table)
14.Wherein, casing 7 is used to provide the closed test space, and itself is placed in by lower margin 4 on common experiment ground 2.And
Experiment porch 14 is located in casing, for placing tested instrument 13.As shown in figure 1, experiment porch 14 is independent by lower margin
Ground is installed on foundation pier 1, and is separated between foundation pier 1 and common experiment ground 2 by shock insulation ditch 3.That is, in this reality
Apply in example, experiment porch 14 is separately installed on foundation pier 1, and is installed on if other structures (such as casing) on ground.
Due to being separated between foundation pier and ground by shock insulation ditch, therefore the environmental test system of the present embodiment can reduce ring
The influence to experiment is shaken in border, so as to reduce the vibrations noise of environmental test system, that is, provides the environmental test of low vibrations noise
System.
As shown in Fig. 2 it is the principle of the circuit part of the environmental test system of the present utility model applied to precision instrument
Schematic diagram.As illustrated in fig. 1 and 2, the environmental test system also includes：Displacement actuator 9 and actuator control 91.Wherein, displacement
Actuator 9 is arranged on the support of experiment porch 14, for adjusting inclination angle or the vibrations of experiment porch 14, so as to be experiment porch
14 tested test instrument 13 provides regular inclination or vibrations.And actuator control 91, for determining the inclination of experiment porch
Or vibration amplitude and its changing rule, and according to the changing rule of determination, command displacement actuator.The part is used for dummy level
Face tilts or shaken the disturbance to being tested mechanics apparatus.
Continue as illustrated in fig. 1 and 2, the environmental test system also includes：Temp probe 11, in casing 7, for gathering
Temperature in casing；Heat exchanger (such as heat exchange coil) 12, for the temperature in regulating box, i.e., casing is freezed or heated；Temperature
Main frame 92 is controlled, the difference between the temperature collected for the temperature according to setting and temp probe 11, controls heat exchanger 12, from
And by the temperature control in case setting temperature value.
Continue as illustrated in fig. 1 and 2, the environmental test system also includes：Magnet coil 5, for producing the magnetic through casing
；Magnet field probe 10, for detecting the residual magnetic field in casing；Field controller 94, for controlling magnet coil 5 to be operated in
One pattern or second mode.
Wherein, when in the flrst mode, field controller 94 controls magnet coil 5 to produce magnetic according to the magnetic field requirements of setting
, such as control magnet coil 5 to produce magnetic field according to square wave/sine wave rule.
Wherein, when under the second mode, field controller 94, the residual magnetic field for being detected according to magnet field probe controls
Magnet coil, to reduce residual magnetic field, so as to realize nearly zero magnetic field of test space.
Wherein, magnet coil 5 is square magnet coil or circular magnet coil.Wherein, experiment porch and casing by
Non-magnetic material is formed, in order to realize zero magnetic field.
Referring additionally to the structural representation for shown in Fig. 3, being magnet coil part in environmental test system.The part-structure bag
Include：Skeleton and magnet coil 5, wherein magnet coil 5 are installed on skeleton, and its middle skeleton can be placed in casing outwardly and inwardly,
Preferably it is placed in outside casing, so as to reduce the influence to temperature control.Wherein, skeleton can be polyhedral structure, length as shown
Cube structure, and at least two pairs of magnet coils are provided with polyhedral each face, to significantly increase flux control scope
With field homogeneity area.Such as in the example shown, 5a is a pair of outside coil for being used to produce horizontal direction (Y) magnetic field, and 5b is to be used for
A pair of inside coil in horizontal direction (Y) magnetic field is produced, 5e is a pair of outside line for being used to produce another horizontal direction (X) magnetic field
Circle, 5d are a pair of inside coils for being used to produce another horizontal direction (X) magnetic field, and 5c is to be used to produce vertical direction (Z) magnetic field
A pair of outside coil, 5d is to be used to produce a pair of inside coil in vertical direction (Z) magnetic field.
Continue as illustrated in fig. 1 and 2, the environmental test system also includes：Humidistat 8, for wet in regulating box
Degree；And humidity controller 93, it is for controlling humidistat 8, the humid control in casing is horizontal in setting.Wherein,
Humidistat 8 can have humidity collection function, and the humidity collected is provided to humidity controller 93.
It is provided with the door 15 for being available for passing in and out casing as shown in figs. 1 and 3, on casing in addition, and is set on door 15
Observation window (such as quartzy forms) 16 is equipped with, for the situation in inspection box body.Meanwhile magnet coil 5d is connected by assembly pulley 5g
On balladeur train, so as to be moved up and down by the direction shown in Fig. 3；And the space between magnet coil 5d corresponds to door,
Therefore when needing to open door, magnet coil 5d can be removed, is entered with facilitating in casing.Except said structure, such as Fig. 1
Shown, casing 4 can also be wrapped up by heat-insulation layer 6, and the inside and outside of heat-insulation layer 6 covers reflective membrane, to strengthen heat insulation effect, wherein
Heat-insulation layer 6 can be formed by heat-barrier material.
The environmental test system of the utility model embodiment, field control that vibration can not only be made an uproar is in relatively low level, example
It is such as real less than 1 utility model-5m/s2, and can be by the controls such as temperature, magnetic field, humidity to the environment for meeting precision mechanics instrument
Test requirements document.Such as when its efficiency test space reaches 5m3When, the temperature regulating range of casing can be made to reach 0 DEG C -70 DEG C,
The modulation accuracy of immediate vicinity reaches 0.01 DEG C, and the thermograde of whole casing is 0.5 DEG C/m, and flux control scope is ± magnetic field
μ T are adjusted, compensation of geomagnetic field precision is 20nT, and field homogeneity area (relative amplitude change is less than 3%) scope of casing immediate vicinity reaches
To 60cm, regulation of relative humidity scope is 20%-90%, and inclining experiment resolution ratio reaches 2 ", and adjustable range reaches ± 15 °, in fact
The lifting capacity for testing platform reaches 30kg.The space of casing and regulating power can meet the testing requirement of common instrument.
Therefore, this environmental test system is operated in the laboratory test place of foundation pier, for placing test specimen or precision
The experiment porch of mechanics apparatus is directly stood on foundation pier, and the remaining part of system is directly stood on routine experimentation room floor, is realized
Vibration isolation between foundation pier.The mechanical part of system：Outer layer is by coil rack and coil around forming, and intermediate layer is by heat-insulated material
Material is formed, and internal layer is made up of the radiator coil tube (i.e. heat exchanger) of temperature control casing and the cabinet wall that is laid in, and humidity regulator is set up
In box house.The electric part of system：Relatively independent temperature control main frame, current control and amplifier stand on common reality with casing
Test on ground, they are controlled by computer program, and trystate is controlled and monitored.Under the control of the computer, electromagnetic wire
Circle carries out field compensation to test space or is adjusted by program setting rule, temperature control main frame by with the heat dissipation plate in casing
Pipe exchange cycles liquid reaches the control targe to spin manifold temperature, and laboratory table realizes desktop under the driving of accurate machine construction
Tilt or shake, the disturbance effect of device under test is tilted with simulation.The utility model first by magnetic field, tilt, earthquake
It is dynamic to integrate with traditional temperature, humidity regulation factor, and be effectively isolated ground vibration, it is conventional high-precision to construct satisfaction
Experimental enviroment needed for degree mechanics apparatus development and fine performance test.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
Completed by the related hardware of computer program instructions, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of environmental test system applied to precision instrument, the adaptive capacity to environment for tester, it is characterised in that
Including：
Casing；
And experiment porch, for placing tested instrument, and the experiment porch is located in the casing；
Wherein, the casing is installed on ground, and the experiment porch is separately installed on foundation pier, the foundation pier and the ground
Between separated by shock insulation ditch.
2. it is applied to the environmental test system of precision instrument as claimed in claim 1, it is characterised in that the casing passes through the
One lower margin is installed on the ground, and the experiment porch is installed on the foundation pier by the second lower margin；
Wherein, the experiment porch and casing are made by non-magnetic material.
3. it is applied to the environmental test system of precision instrument as claimed in claim 1, it is characterised in that also include：
Temp probe, for gathering the temperature in the casing；
Heat exchanger, for adjusting the temperature in the casing；
Temperature control main frame, the difference between the temperature collected for the temperature according to setting and the temp probe, described in control
Heat exchanger.
4. it is applied to the environmental test system of precision instrument as claimed in claim 1, it is characterised in that also include：
Magnet coil, for producing through the magnetic field of the casing；
Magnet field probe, for detecting the residual magnetic field in the casing；
Field controller, for being operated in first mode or second mode；
Wherein, when in the first mode, the field controller controls magnetic field requirements of the magnet coil according to setting
Produce magnetic field；
Wherein, when in the second mode, the field controller, for the remaining magnetic detected according to the magnet field probe
Field controls the magnet coil, to reduce the residual magnetic field.
5. it is applied to the environmental test system of precision instrument as claimed in claim 4, it is characterised in that the magnet coil is
Square magnet coil or circular magnet coil.
6. it is applied to the environmental test system of precision instrument as claimed in claim 4, it is characterised in that also include：
Skeleton, the magnet coil are installed on the skeleton, wherein the skeleton is placed in the outside of the casing；
Wherein, the skeleton is polyhedral structure, and at least two pairs of electromagnetic wires are provided with polyhedral each face
Circle.
7. it is applied to the environmental test system of precision instrument as claimed in claim 1, it is characterised in that also include：
Displacement actuator, for adjusting the inclination angle of the experiment porch；
Actuator control, for determining the inclined angle and its changing rule of the experiment porch, and according to the determination
Angle and its changing rule, control the displacement actuator.
8. it is applied to the environmental test system of precision instrument as claimed in claim 1, it is characterised in that also include：
Humidistat, for adjusting the humidity in the casing；And
Humidity controller, for controlling the humidistat.
9. it is applied to the environmental test system of precision instrument as claimed in claim 1, it is characterised in that set on the casing
There is the door for being available for passing in and out the casing, and observation window is provided with the door.
10. it is applied to the environmental test system of precision instrument as claimed in claim 1, it is characterised in that the casing is by protecting
Warm layer parcel, and the inside and outside of the heat-insulation layer covers reflective membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143293.8U CN206832484U (en) | 2017-02-16 | 2017-02-16 | Environmental test system applied to precision instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143293.8U CN206832484U (en) | 2017-02-16 | 2017-02-16 | Environmental test system applied to precision instrument |
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| Publication Number | Publication Date |
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| CN206832484U true CN206832484U (en) | 2018-01-02 |
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ID=60780290
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720143293.8U Active CN206832484U (en) | 2017-02-16 | 2017-02-16 | Environmental test system applied to precision instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644550A (en) * | 2017-02-16 | 2017-05-10 | 中国科学院测量与地球物理研究所 | Environment test system for precision instrument |
-
2017
- 2017-02-16 CN CN201720143293.8U patent/CN206832484U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644550A (en) * | 2017-02-16 | 2017-05-10 | 中国科学院测量与地球物理研究所 | Environment test system for precision instrument |
| CN106644550B (en) * | 2017-02-16 | 2023-12-29 | 中国科学院测量与地球物理研究所 | Environment test system applied to precise instrument |
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