CN108543550A - Wave transparent test temperature chamber - Google Patents
Wave transparent test temperature chamber Download PDFInfo
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- CN108543550A CN108543550A CN201810209186.XA CN201810209186A CN108543550A CN 108543550 A CN108543550 A CN 108543550A CN 201810209186 A CN201810209186 A CN 201810209186A CN 108543550 A CN108543550 A CN 108543550A
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- Prior art keywords
- wave transparent
- babinet
- wave
- test temperature
- sensor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Radiation Pyrometers (AREA)
Abstract
The present invention provides a kind of wave transparent test temperature chamber, including：Wave transparent incubator, including babinet contain specimen holder, phased array antenna in the babinet；The babinet is equipped with heating system, supply air system, sensor for measuring temperature and angle measuring sensor, and the babinet side is equipped with wave transparent window, and the wave beam of the phased array antenna is projected from the wave transparent window；The interior is equipped with absorbing material layer；Angle regulator is arranged in the bottom of the wave transparent incubator, including supporting rack and the scissor-like jack that is arranged on support frame as described above, the angle regulator adjust the angle of inclination of the wave transparent incubator according to the measured value of the angle measuring sensor；And electric control system, it is connect with the wave transparent incubator, including control system and programmable controller, the operation for controlling the wave transparent incubator.Above-mentioned wave transparent test temperature chamber reliability is higher, have good stability, precision is high, service life is long.
Description
Technical field
The present invention relates to a kind of high ambient conditions test chamber, more particularly to a kind of wave transparent test temperature experiment
Case.
Background technology
One of high-low temperature test chamber category simulated environmental test equipment, makees suitable for various products or material under hot conditions
Performance test.It in scientific research team, product quality center and laboratory of industrial and mining enterprises for using.Digital display temperature control, PID is certainly
Adjust, and have the function of overtemperature prote etc..
It is to customize to verify the environmental suitability of link terminal with antenna wave transparent test temperature chamber, it is high for simulation
Warm working environment verifies radio-frequency performance deterioration, phase-change thermal storage under link terminal high ambient conditions by the big circuit in star-ground
Whether energy, equipment work are normal.The reliability of current existing wave transparent test temperature chamber is poor.
Invention content
The invention mainly solves the technical problem of providing a kind of higher wave transparent test temperature chambers of reliability.
In order to solve the above technical problems, one aspect of the present invention is：
A kind of wave transparent test temperature chamber, including：
Wave transparent incubator, including babinet contain specimen holder, phased array antenna in the babinet；The babinet is equipped with heating
System, supply air system, sensor for measuring temperature and angle measuring sensor, the babinet side are equipped with wave transparent window, the phase
The wave beam of control array antenna is projected from the wave transparent window；The interior is equipped with absorbing material layer；
Angle regulator is arranged in the bottom of the wave transparent incubator, including supporting rack and setting are on support frame as described above
Scissor-like jack, the angle regulator adjusts the wave transparent incubator according to the measured value of the angle measuring sensor
Angle of inclination；And
Electric control system is connect with the wave transparent incubator, including control system and programmable controller, for controlling
State the operation of wave transparent incubator.
The sensor for measuring temperature includes first for monitoring the case body temperature in one of the embodiments,
Sensor for measuring temperature, for the second temperature measurement sensor of overtemperature prote and for real-time monitoring workpiece surface temperature
Third sensor for measuring temperature.
The angle measuring sensor is uniaxial 0~360 degree of obliquity sensor of number, institute in one of the embodiments,
It states angle measuring sensor and the incident angle monitored in real time is sent to the programmable controller.
The babinet includes the shell, insulating layer and inner wall set gradually in one of the embodiments, and the shell is
Cold-rolled steel sheet, the insulating layer are made of polyurethane composite layer, and the inner wall is stainless steel plate.
The absorbing material layer is attached on the inner wall in one of the embodiments, and the absorbing material layer is resistant to
Temperature is 150 DEG C.
The wave transparent window includes frame and plugs wave transparent net on said frame, institute in one of the embodiments,
It states frame to be fixed on the babinet, the wave transparent net is honeycomb interlayer, by the wave beam of the wave transparent net per 30GHz electromagnetic waves
Wave transparent loss is less than 1.5dB.
The support frame bottom of the angle regulator is equipped with pulley and level adjuster in one of the embodiments,
Cup, for adjusting horizontality.
The bottom of the angle regulator is equipped with telescoping support foot in one of the embodiments, for adjusting
State the center of gravity of wave transparent incubator.
The heating system includes the finned heating tube of Ni-Cr stainless steel in one of the embodiments, described to add
Heat pipe is arranged in the air duct in the babinet, and even heat is blown into the babinet by forced circulation wind.
The side of the babinet offers fairlead in one of the embodiments,.
The beneficial effects of the invention are as follows：Above-mentioned wave transparent test temperature chamber reliability is higher, has good stability, precision
Height, service life are long.Selected raw material, component and auxiliary equipment can ensure the experiment process for being reliably completed product.
Wave transparent test temperature chamber is easy to disassemble, examines and determine and repairs, and is easy to adjust and calibrate, and reduces the technology requirement of repair；Have
Fault diagnosis, the function of Fault Isolation, improve the detectability of complete machine.
Description of the drawings
Fig. 1 is the structural schematic diagram of the wave transparent test temperature chamber of an embodiment；
Fig. 2 is the structural schematic diagram of the wave transparent test temperature chamber of an embodiment；
Fig. 3 is the structural schematic diagram of the wave transparent test temperature chamber of an embodiment；
Fig. 4 is the structural schematic diagram of the wave transparent test temperature test box body of an embodiment；
Fig. 5 is the wave transparent window structure schematic diagram of the wave transparent test temperature chamber of an embodiment；
Fig. 6 is the wind direction schematic diagram of the wave transparent test temperature chamber of an embodiment；
Fig. 7 is the wave transparent test temperature chamber force analysis schematic diagram of an embodiment；
Fig. 8 is the wave transparent test temperature chamber force analysis schematic diagram of an embodiment；
Fig. 9 is the wave transparent test temperature chamber force analysis schematic diagram of an embodiment.
Specific implementation mode
- 3 are please referred to Fig.1, the present invention provides a kind of wave transparent test temperature chamber 100, including：Wave transparent incubator 10, angle
Regulating device 20 and electric control system 30.
Wave transparent incubator 10 includes babinet 110, and specimen holder, phased array antenna are contained in babinet 110.Babinet 110 is additionally provided with
Heating system, supply air system, sensor for measuring temperature, angle measuring sensor.110 side of babinet is equipped with wave transparent window 130, phase
The wave beam for controlling array antenna is projected from wave transparent window 130, and wave transparent window 130 is located at phase array antenna beam pointing direction ± 60 °,
Other party inner surface pastes absorbing material, forms absorbing material layer.In one embodiment, phased array antenna is fixed on by fixture
In wave transparent incubator 10.In one embodiment, the side of babinet 110 offers fairlead, ensures that phased array antenna is set with outside
Normal communication between standby.Wave transparent incubator 10 meets following performance requirement：According to frequency, wave transparent loss：≤ 2.5dB (Ka frequency ranges)；Fortune
Trip temperature range：+ 10 DEG C of room temperature~130 DEG C (between can arbitrary set temperature operation)；Temperature deviation：≤ ± 1.0 DEG C (unloaded
Test)；Temperature uniformity:≤ 2.0 DEG C (no load tests)；Heating rate：5 DEG C/min of room temperature~130 DEG C linear temperature increase (survey by zero load
Examination).
In conjunction with Fig. 4, in one embodiment, babinet 110 includes shell 112, insulating layer 114 and the inner wall set gradually
116,116 inner surface of inner wall is equipped with absorbing material layer 118.Specifically, in one embodiment, the material of shell 112 is cold rolling
Steel plate, thickness can be 1.5mm, can be handled in the surface plastic spraying of shell 112, for protecting babinet 110.Specifically, one
In embodiment, the material of insulating layer 114 is polyurethane composite layer, and specifically, in one embodiment, polyurethane composite layer is
The composite heat-insulating layer that resistance to high and good heat insulation effect PU foaming (polyurethane) plate+superfine glass volume cotton is formed, thickness are not less than
150mm.Specifically, in one embodiment, inner wall 116 is stainless steel plate, specifically, using 1.0mm SUS304 stainless steel plates
It makes, institute seam TIG is continuously welded, it is ensured that does not occur leakage phenomenon after long term test.Specifically, in one embodiment,
Absorbing material layer 118 is attached on inner wall, and it is 150 DEG C of even higher temperature that absorbing material layer 118, which is resistant to temperature,.Absorbing material layer
The 118 flat non-volatile material of material selection.Absorbing material performance meets the following conditions：Frequency:20~25GHz；Continuous wave
Power：35W；Tolerance power：40W；(ERP power) reflectance factor：-25dB；Operating temperature：0 DEG C~130 DEG C；Flame retardant property：It is multiple
It closes USN NRL-8093 and tests 1,2,3 standards.
In one embodiment, specimen holder can be adjusted freely up and down.The upper lower bracing frame of specimen holder is inserted using quick
Slot type designs screw locking structure, and specimen holder shakes when preventing babinet 110 from doing pitch angle；Specimen holder is fixed equipped with workpiece
Plate, Workpiece fixing plate are that two blocks of aluminium sheets splice, above portion's workpiece threaded hole, two pieces of applicable sizes of aluminium sheet adjusting position are installed
The conversion of workpiece is installed, the weight in 20 kilograms of specimen holder load-bearing.
In conjunction with Fig. 5, in one embodiment, wave transparent window 130 includes frame 132 and is plugged in the slot that frame 132 opens up
In wave transparent net 134, frame 132 is fixed on babinet 110, and wave transparent net 134 is honeycomb interlayer, by the wave beam of wave transparent net 134
It is less than 1.5dB per 30GHz electromagnetic wave wave transparent losses.Since the fragility of wave transparent window will be saturating using above-mentioned insertion slot type fixed form
Wave net 134 is inserted into from upper opening, and uses the special high temperature resistant silica gel sealing of import, it is ensured that stability.
In one embodiment, sensor for measuring temperature includes the first temperature measurement sensing for monitoring case body temperature
Device, the second temperature measurement sensor for overtemperature prote and the third temperature for real-time monitoring workpiece surface temperature measure
Sensor.Specifically, in one embodiment, the quantity of third sensor for measuring temperature is 2, it is possible to provide workpiece surface temperature
Alarm and protection.Above-mentioned sensor for measuring temperature is all made of A grades of PT 100 of stainless steel armouring, reliability.Temperature measures sensing
Device is installed at cycle road return air inlet, obtains optimum stabilization；Using virtual collimation technique, keep control maximum temperature limit close
Thermal field central point temperature.
In one embodiment, angle measuring sensor is uniaxial 0~360 degree of obliquity sensor of number, and angle measurement passes
Sensor is all stable using industrial devices performance, reliable, shock resistance, anti-vibration；Angle measuring sensor is by real-time incident angle
It sends PLC controller to, is intuitively shown on the touch screen of electric control system 30 after processing.
Specifically, in one embodiment, heating system includes the finned heating tube of Ni-Cr stainless steel, and heating tube is set
It sets in the air duct in babinet, even heat is blown into babinet by forced circulation wind.Heating system control uses PID+PWM
Adjust automatically heating power, through noncontacting switch (SSR) output to heater, control heating amount is to reach equalized temperature；It can
Output can be quantified by setting heating power according to user's requirement.
In conjunction with Fig. 6, specifically, in one embodiment, supply air system uses special-purpose high temperature low-noise motor, symmetrical cloth
It sets, obtains best thermal field uniformity；Using stainless steel extension shaft, multiple wing type centrifugal flabellum, low noise operating；And in wave transparent incubator
10 are equipped with air duct, to improve the technology requirement of big alternating temperature, low overshoot, are optimized by air duct, realize centrifugal blower in little Rong
Application in product equipment.Air outlet Specialty Design louver window, it is reliable to realize temperature uniformity index.In an embodiment
In, specifically, using 90W axial flow blowers 2,1400 turns of rotating speed, total blast volume 1500m3/h。
Specifically, in one embodiment, angle regulator 20 is arranged in the bottom of wave transparent incubator 10, including supporting rack
210 and the scissor-like jack 220 that is arranged on supporting rack 210, angle regulator 20 is according to angle measuring sensor measured value
Adjust the angle of inclination of wave transparent incubator 10.Angle regulator 20 uses supported at three point mode, makes uniform force, adjusts simple.
35 ° of inclination angle can be met through three-dimensional simulation.In one embodiment, 210 bottom of supporting rack of angle regulator 20, which is equipped with, slides
Wheel 230 and Level tune footed glass 240, for adjusting horizontality.To prevent angle regulator 20 in adjustment wave transparent incubator 10
The bottom of crank when pitch angle, supporting rack 210 is additionally provided with telescoping support foot 250.
Specifically, the force analysis of wave transparent incubator 10 is as follows：
Chamber Overall Analysis：When 35 degree of angles are risen in chamber, experimental box entirety stress is as shown in fig. 7, at this time
Chamber is in equilibrium state, is obtained by static analysis：
It is zero with joint efforts in vertical direction：FRA+FRB- G=0
Torque to 0 point is zero：FRA·LA-FRB·LB=0
It solves：
The stress F at the high h of chamberhWhen, as shown in figure 8, the condition that chamber is in balance is：
It is zero with joint efforts in vertical direction：FRA+FRB- G=0
It is zero with joint efforts in horizontal direction：fA+fB-Fh=0
Torque to B points is zero：Fhh+FRA(LA+LB)-GLB=0
It solves：
If working as FRAWhen=0, chamber is unstable state, at this time FhH=GLB, so having to ensure FhThe product of h is small
GLB。
If the slip friction factor on footed glass and ground is, then
Work as fA+fB-Fh>When 0, chamber is slided on the ground.
To the force analysis of hinge axis：
When 35 degree of angles are risen in chamber, experimental box stress is as shown in figure 9, chamber at this time is in equilibrium state, by quiet
Power is analyzed：
It is zero with joint efforts on the directions x：FMx+FNx- Gcos55 °=0
It is zero with joint efforts on the directions y：FMy+FNy- Gcos35 °=0
Torque to N points is zero：
The distance in two directions point x -0, N.
Specifically, in one embodiment, electric control system 30 is connect with wave transparent incubator 10, including control system and can
Programmable controller, the operation for controlling wave transparent incubator.Electric control system includes warning device, for prompting wave transparent test temperature
Degree chamber break down, as incident angle alarm, temperature protection prompt, off-test automatic shutdown prompt, sequentially, lack
Phase protection device, overheated heater prompt, heater short circuit prompt, wind turbine overload prompt etc..Using PLC, output and input all
There is indicator light, be easy to pinpoint the problems out on outputting and inputting, each failure corresponds to an alarm, can find event quickly
Point occurs for barrier.
Specifically, in one embodiment, programmable controller be SIEMENS PLC series+independent development program, have compared with
Good applicability of user；Using touch operation screen and independent development interface, flexibility is high.
30 control program of electric control system is controlled using position control, program；Data storage method is to be connect by USB
Mouthful, operation data realization freely stores, and can realize free export.
Compared with prior art, above-mentioned wave transparent test temperature chamber reliability is higher, have good stability, precision is high, makes
Use long lifespan.Selected raw material, component and auxiliary equipment can ensure the experiment process for being reliably completed product.Wave transparent is surveyed
Temperature test chamber easy to disassemble, calibrating and repair are tried, be easy to adjust and is calibrated, the technology requirement of repair is reduced；Have failure to examine
Disconnected, Fault Isolation function, improves the detectability of complete machine.
It these are only embodiments of the present invention, be not intended to limit the scope of the invention, it is every to utilize the present invention
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field is included within the scope of the present invention.
Claims (10)
1. a kind of wave transparent test temperature chamber, which is characterized in that including：
Wave transparent incubator, including babinet contain specimen holder, phased array antenna in the babinet；The babinet be equipped with heating system,
Supply air system, sensor for measuring temperature and angle measuring sensor, the babinet side are equipped with wave transparent window, the phased array day
The wave beam of line is projected from the wave transparent window；The interior is equipped with absorbing material layer；
Angle regulator is arranged and is cut with what is be arranged on support frame as described above in the bottom of the wave transparent incubator, including supporting rack
Formula jack, the angle regulator adjust the inclination of the wave transparent incubator according to the measured value of the angle measuring sensor
Angle；And
Electric control system is connect with the wave transparent incubator, including control system and programmable controller, described for controlling
The operation of wave incubator.
2. wave transparent test temperature chamber according to claim 1, which is characterized in that the sensor for measuring temperature includes
For monitor the case body temperature the first sensor for measuring temperature, for overtemperature prote second temperature measurement sensor,
And the third sensor for measuring temperature for real-time monitoring workpiece surface temperature.
3. wave transparent test temperature chamber according to claim 1, which is characterized in that the angle measuring sensor is number
The incident angle monitored in real time is sent to and described can compile by 0~360 degree of obliquity sensor of word single shaft, the angle measuring sensor
Range controller.
4. wave transparent test temperature chamber according to claim 1, which is characterized in that the babinet includes setting gradually
Shell, insulating layer and inner wall, the shell are cold-rolled steel sheet, and the insulating layer is made of polyurethane composite layer, and the inner wall is
Stainless steel plate.
5. wave transparent test temperature chamber according to claim 4, which is characterized in that the absorbing material layer is attached to institute
It states on inner wall, it is 150 DEG C that the absorbing material layer, which is resistant to temperature,.
6. wave transparent test temperature chamber according to claim 1, which is characterized in that the wave transparent window include frame and
Wave transparent net on said frame is plugged, the frame is fixed on the babinet, and the wave transparent net is honeycomb interlayer, by institute
The wave beam for stating wave transparent net is less than 1.5dB per 30GHz electromagnetic wave wave transparent losses.
7. wave transparent test temperature chamber according to claim 1, which is characterized in that the support of the angle regulator
Frame bottom is equipped with pulley and Level tune footed glass, for adjusting horizontality.
8. wave transparent test temperature chamber according to claim 1, which is characterized in that the bottom of the angle regulator
Equipped with telescoping support foot, the center of gravity for adjusting the wave transparent incubator.
9. wave transparent test temperature chamber according to claim 1, which is characterized in that the heating system includes that nickel chromium triangle closes
The golden finned heating tube of stainless steel, the heating tube are arranged in the air duct in the babinet, by forced circulation wind by heat
It is uniformly blown into the babinet.
10. wave transparent test temperature chamber according to claim 1, which is characterized in that the side of the babinet offers
Fairlead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209186.XA CN108543550A (en) | 2018-03-14 | 2018-03-14 | Wave transparent test temperature chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209186.XA CN108543550A (en) | 2018-03-14 | 2018-03-14 | Wave transparent test temperature chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108543550A true CN108543550A (en) | 2018-09-18 |
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ID=63516216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810209186.XA Pending CN108543550A (en) | 2018-03-14 | 2018-03-14 | Wave transparent test temperature chamber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394201A (en) * | 2019-07-15 | 2019-11-01 | 重庆哈丁环境试验技术股份有限公司 | High and low temperature alternating humidity test chamber |
| CN115343208A (en) * | 2022-07-21 | 2022-11-15 | 成都四威功率电子科技有限公司 | Near-field high-power irradiation test system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203053833U (en) * | 2013-02-07 | 2013-07-10 | 华北电力科学研究院有限责任公司 | Integrative factor wire aging test device |
| CN205374636U (en) * | 2016-02-02 | 2016-07-06 | 航天科工防御技术研究试验中心 | A combined test device for environmental test |
| CN105955348A (en) * | 2016-06-27 | 2016-09-21 | 中国特种设备检测研究院 | Environment box of material universal test machine |
-
2018
- 2018-03-14 CN CN201810209186.XA patent/CN108543550A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203053833U (en) * | 2013-02-07 | 2013-07-10 | 华北电力科学研究院有限责任公司 | Integrative factor wire aging test device |
| CN205374636U (en) * | 2016-02-02 | 2016-07-06 | 航天科工防御技术研究试验中心 | A combined test device for environmental test |
| CN105955348A (en) * | 2016-06-27 | 2016-09-21 | 中国特种设备检测研究院 | Environment box of material universal test machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394201A (en) * | 2019-07-15 | 2019-11-01 | 重庆哈丁环境试验技术股份有限公司 | High and low temperature alternating humidity test chamber |
| CN115343208A (en) * | 2022-07-21 | 2022-11-15 | 成都四威功率电子科技有限公司 | Near-field high-power irradiation test system |
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Application publication date: 20180918 |