CN104316910B - Radiometer temperature calibration device and method of millimeter wave inspection device - Google Patents
Radiometer temperature calibration device and method of millimeter wave inspection device Download PDFInfo
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- CN104316910B CN104316910B CN201410534830.2A CN201410534830A CN104316910B CN 104316910 B CN104316910 B CN 104316910B CN 201410534830 A CN201410534830 A CN 201410534830A CN 104316910 B CN104316910 B CN 104316910B
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- temperature
- millimeter wave
- radiometer
- high temperature
- normal temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
Abstract
The invention discloses a radiometer temperature calibration device of a millimeter wave inspection device. The radiometer temperature calibration device comprises a normal temperature calibration mechanism and a high temperature calibration mechanism; the calibration temperature of the normal temperature calibration mechanism is equal to the current environment temperature; the normal temperature calibration mechanism is used for calibrating an initial value of a radiometer; the calibration temperature of the high temperature calibration mechanism is higher than the current environment temperature; the high temperature calibration mechanism is used for calibrating the gain of the radiometer along with the normal temperature calibration mechanism. Compared with the prior art, the special high and low temperature calibration device is provided for the radiometer and accordingly the real-time calibration can be performed on the initial value and the gain of the radiometer and accordingly the adverse effect caused by the change of the environment temperature and the change of the self-temperature of the radiometer is avoided and accordingly the detection accuracy of the radiometer is improved.
Description
Technical field
The present invention relates to a kind of radiation meter temperature calibrating installation for millimeter wave inspection equipment and its calibration steps.
Background technology
It is generally known that, the radiometer of millimeter wave inspection equipment is easily affected by temperature change, and one kind is building ring
The operating ambient temperature of the temperature change in border, such as morning may be different from the operating ambient temperature at noon, and another kind is radiation
Count the temperature change of itself, such as after working long hours, the temperature of radiometer itself can raise.These temperature changes are to radiometer
Certainty of measurement impact very big, the drift of radiometer initial value and the change of gain can be caused.
But, regrettably, in existing millimeter wave inspection equipment, do not design any temperature calibration cartridge for radiometer
Put, lead to the accuracy of detection of radiometer not high.
Content of the invention
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
Correspondingly, an object of the present invention is to provide a kind of radiation meter temperature that can improve radiometer accuracy of detection
Calibrating installation.
Further object is that providing a kind of structure simple radiation meter temperature calibrating installation.
It is yet a further object of the present invention to provide the radiation meter temperature calibrating installation of a kind of compact conformation and small volume.
According to an aspect of the present invention, it provides a kind of radiation meter temperature calibrating installation of millimeter wave inspection equipment, including：
Normal temperature correcting mechanism, the calibration temperature of described normal temperature correcting mechanism is equal to current environmental temperature, for calibrating the initial value of radiometer；
With high temperature correcting mechanism, the calibration temperature of described high temperature correcting mechanism is higher than current environmental temperature, for normal temperature correcting mechanism
Calibrate the gain of radiometer together.
According to a preferred embodiment of the present invention, described normal temperature correcting mechanism includes：Rotatable normal temperature calibration hollow out
Rotating cylinder assembly；With the first motor, described first motor is rack-mount, for driving normal temperature calibration hollow out rotating cylinder
Assembly continuously rotates around described radiometer.
According to a further advantageous embodiment of the invention, described high temperature correcting mechanism includes：High temperature calibrates semicircle board component；
With the second motor, described second motor is rack-mount, for driving high temperature calibration semicircle board component around institute
State radiometer to swing.
According to a further advantageous embodiment of the invention, described normal temperature calibration hollow out rotating cylinder assembly and described high temperature calibration half
Plectane assembly is around same axial-movement.
According to a further advantageous embodiment of the invention, described support is U-bracket, and it has antetheca and relative with antetheca
Rear wall.
According to a further advantageous embodiment of the invention, described normal temperature calibrates one end of hollow out rotating cylinder assembly and rotating shaft connects
Connect, described rotating shaft is connected with the output shaft of described first motor.
According to a further advantageous embodiment of the invention, the axle head of described rotating shaft is drilled with keyed axis hole, described first drive
The output shaft of dynamic motor inserts in the axis hole of described rotating shaft, thus realizing direct docking between the two.
According to a further advantageous embodiment of the invention, the antetheca a of described support is formed with bearing block, described rotating shaft is led to
Cross bearing to be pivotally supported in the through hole of bearing block.
According to a further advantageous embodiment of the invention, the rear wall of described support is respectively formed with：For installing first
First motor location hole of motor；With the second motor location hole for installing the second motor.
According to a further advantageous embodiment of the invention, described first motor location hole a is same with the through hole of described bearing block
The heart.
According to a further advantageous embodiment of the invention, described normal temperature correcting mechanism also includes temperature sensor, for examining
Survey the temperature that described normal temperature calibrates hollow out rotating cylinder assembly.
According to a further advantageous embodiment of the invention, described normal temperature correcting mechanism also includes position sensor, for examining
Survey the initial position that described normal temperature calibrates hollow out rotating cylinder assembly.
According to a further advantageous embodiment of the invention, described position sensor is proximity switch, and rack-mount；
And it is provided with the projection corresponding with described position sensor on described normal temperature calibration hollow out rotating cylinder assembly, when described normal temperature
When calibration hollow out rotating cylinder assembly is located at initial position, described position sensor is directly relative with described projection.
According to a further advantageous embodiment of the invention, described normal temperature calibration hollow out rotating cylinder assembly includes：Hollow out rotating cylinder；With
It is arranged on the absorbing material inside hollow out rotating cylinder.
According to a further advantageous embodiment of the invention, described normal temperature correcting mechanism also includes：Heat-insulated device, described heat-insulated
Device, be arranged on described rotating shaft and normal temperature calibration hollow out rotating cylinder assembly between, for prevent first motor produce heat
It is transmitted to normal temperature calibration hollow out rotating cylinder assembly through described rotating shaft.
According to a further advantageous embodiment of the invention, described high temperature calibrates one end of semicircle board component by fan
It is fixed on the first synchronizing jugged belt wheel, described first synchronizing jugged belt wheel is pivotally supported in described rotating shaft by bearing,
Described first synchronizing jugged belt wheel passes through the second synchronizing jugged belt wheel on synchronous cog belt and the output shaft of the second motor
It is connected.
According to a further advantageous embodiment of the invention, described high temperature calibration semicircle board component from inside to outside includes successively：
Collet, absorbing material, heat-conducting plate, resistance heating film, insulation material and thermal insulation board.
According to a further advantageous embodiment of the invention, described high temperature correcting mechanism also includes：Temperature sensor, described temperature
Degree sensor is arranged on the inside that described high temperature calibrates semicircle board component, contacts with resistance heating film, for detecting described high temperature
The temperature of calibration semicircle board component.
According to a further advantageous embodiment of the invention, described high temperature correcting mechanism also includes：Two spacing detectors, use
Calibrate the hunting range of semicircle board component to limit described high temperature.
According to a further advantageous embodiment of the invention, described high temperature correcting mechanism also includes：Tensioning wheel, for adjusting
State the tension force of synchronous cog belt.
According to a further advantageous embodiment of the invention, described normal temperature correcting mechanism and described high temperature correcting mechanism are mutually warm
Isolation.
According to a further advantageous embodiment of the invention, described normal temperature correcting mechanism and described high temperature correcting mechanism pass through absolutely
Hot material is mutually thermally isolated.
According to a further advantageous embodiment of the invention, described normal temperature correcting mechanism and described high temperature correcting mechanism pass through sky
Gas gap is mutually thermally isolated.
According to a further aspect in the invention, provide a kind of calibration steps of the radiometer of millimeter wave inspection equipment, including step
Suddenly：With radiometer receive temperature be equal to current environmental temperature normal temperature correcting mechanism radiation millimeter wave energy, thus obtain with
The corresponding normal temperature millimeter wave energy of current environmental temperature, and marked with the normal temperature millimeter wave energy of current environmental temperature and acquisition
The initial value of fixed described radiometer.
According to a preferred embodiment of the present invention, described calibration steps also includes step：Received with radiometer and there is height
In the millimeter wave energy of the high temperature correcting mechanism radiation of the predetermined high temperature of current environmental temperature, thus obtaining relative with predetermined high temperature
The high temperature millimeter wave energy answered, and the gain of described radiometer is demarcated with equation below：High temperature millimeter wave energy-normal temperature milli
Metric wave energy/predetermined high temperature-current environmental temperature.
According to a further advantageous embodiment of the invention, described normal temperature correcting mechanism continuously rotates around radiometer, so that
The initial value of described radiometer is continuously calibrated.
According to a further advantageous embodiment of the invention, described high temperature correcting mechanism is around radiometer reciprocally swinging, so that
Together with described normal temperature correcting mechanism, the gain to described radiometer is calibrated.
Compared with prior art, in each embodiment above-mentioned of the present invention, due to being provided with special height for radiometer
Low-temperature calibration device, therefore, it is possible to calibrate in real time to the initial value of radiometer and gain, thus avoid variation of ambient temperature and
Radiometer own temperature changes adverse effect, thus improve the accuracy of detection of radiometer.
Brief description
These and/or other aspect of the present invention and advantage will become from description of preferred embodiments below in conjunction with the accompanying drawings
Substantially with easy to understand, wherein：
Fig. 1 shows that the stereochemical structure of the radiation meter temperature calibrating installation of an exemplary embodiment according to the present invention is shown
It is intended to；
Fig. 2 shows the sectional view of the radiation meter temperature calibrating installation shown in Fig. 1；
Fig. 3 shows that the normal temperature of an exemplary embodiment according to the present invention calibrates the stereochemical structure of hollow out rotating cylinder assembly
Schematic diagram；
Fig. 4 shows that the stereochemical structure of the high temperature calibration semicircle board component of an exemplary embodiment according to the present invention is shown
It is intended to；
Fig. 5 shows that the high temperature along the line B-B in Fig. 4 calibrates the sectional view of semicircle board component；With
Fig. 6 shows the perspective view of the support of an exemplary embodiment according to the present invention.
Specific embodiment
Further illustrate the specific embodiment of the present invention with reference to embodiment.Fig. 1 to Fig. 6 shows according to the present invention's
One exemplary embodiment of radiation meter temperature calibrating installation.
In the present invention it is illustrated that radiation meter temperature calibrating installation be used for millimeter wave inspection equipment.However, it is desirable to explanation
It is that this radiation meter temperature calibrating installation can also be applied to miscellaneous equipment or other purposes.
Fig. 1 shows that the stereochemical structure of the radiation meter temperature calibrating installation of an exemplary embodiment according to the present invention is shown
It is intended to；Fig. 2 shows the sectional view of the radiation meter temperature calibrating installation shown in Fig. 1.
As depicted in figs. 1 and 2, in preferred illustrated embodiment, radiation meter temperature calibrating installation includes normal temperature correcting mechanism
With high temperature correcting mechanism.Therefore, herein it is also possible to this radiation meter temperature calibrating installation is referred to as high/low temperature calibration cartridge
Put.Specifically, normal temperature correcting mechanism has the calibration temperature equal to current environmental temperature, for calibrating the initial value of radiometer.High
Warm correcting mechanism has the calibration temperature higher than current environmental temperature, for calibrating the increasing of radiometer together with normal temperature correcting mechanism
Benefit.
As depicted in figs. 1 and 2, in the preferred embodiment of an exemplary, normal temperature correcting mechanism mainly includes rotatably
Normal temperature calibration hollow out rotating cylinder assembly 111 and the first motor 118.
As shown in Fig. 2 the first motor 118 is arranged on support 129, for driving normal temperature calibration hollow out rotating cylinder assembly
111 rotate around radiometer (not shown) is continuous.
With continued reference to Fig. 1 and Fig. 2, high temperature correcting mechanism mainly includes high temperature calibration semicircle board component 130 and the second driving
Motor 142.
As shown in Fig. 2 the second motor 142 is also mounted on support 129, for driving high temperature calibration semicircle board component
130 swing around radiometer is (not shown).
As depicted in figs. 1 and 2, high temperature is calibrated semicircle board component 130 and is arranged on the outer of normal temperature calibration hollow out rotating cylinder assembly 111
Side, and and normal temperature calibration hollow out rotating cylinder assembly 111 between, there is predetermined airspace, for preventing heat biography each other
Lead.It is of course also possible to mutually can also be thermally isolated by heat-insulating material between normal temperature correcting mechanism and high temperature correcting mechanism.
As shown in Fig. 2 in a further advantageous embodiment, normal temperature calibration hollow out rotating cylinder assembly 111 and high temperature calibrate semicircle
Board component 130 moves around same axis I.
Fig. 6 shows the perspective view of the support of an exemplary embodiment according to the present invention.
As shown in Figure 2 and Figure 6, in the preferred embodiment shown in the drawings, support 129 have antetheca 129a and with antetheca 129a phase
To rear wall 129b.Antetheca 129a is connected with each other with one end of rear wall 129b, thus forming U-bracket.
Fig. 3 shows that the normal temperature of an exemplary embodiment according to the present invention calibrates the stereochemical structure of hollow out rotating cylinder assembly
Schematic diagram.
As shown in figure 3, in the preferred embodiment shown in the drawings, one end of normal temperature calibration hollow out rotating cylinder assembly 111 is carried with one
The rotating shaft 116 having ring flange connects.As shown in Fig. 2 this rotating shaft 116 is connected with the output shaft of the first motor 118.Preferably
Ground, as shown in Figures 2 and 3, the axle head of rotating shaft 116 is drilled with keyed axis hole, the output shaft insertion rotating shaft of the first motor 118
In 116 axis hole, thus realizing direct docking between the two.
Continuing with referring to Fig. 2 and Fig. 6, the antetheca 129a of support 129 is formed with bearing block 128, bearing is passed through in rotating shaft 116
117 are pivotally supported in the through hole 119 of bearing block 128.
Continuing with referring to Fig. 2 and Fig. 6, the rear wall 129b of support 129 is respectively formed with：For installing the first motor
118 the first motor location hole 127a；With the second motor location hole 127b for installing the second motor 142.
Continuing with referring to Fig. 2 and Fig. 6, the first motor location hole 127a is axle with the axis of the through hole 119 of bearing block 128
Line I, that is, the first motor location hole 127a is concentric with the through hole 119 of bearing block 128.
As shown in figure 1, in a preferred embodiment, normal temperature correcting mechanism also includes temperature sensor 120, for detecting
Normal temperature calibrates the temperature of hollow out rotating cylinder assembly 111.Preferably, this temperature sensor 120 is fixed on the top of support 129.More
Preferably, this temperature sensor 120 is infrared temperature sensor, it is of course also possible to for being applied to the other types of of the present invention
Temperature sensor.
As shown in figure 1, normal temperature correcting mechanism also includes position sensor 121, for detecting normal temperature calibration hollow out rotating cylinder group
The initial position of part 111.Preferably, this position sensor 121 is proximity switch, and is arranged on support 129.Meanwhile, normal
It is provided with the projection 119 corresponding with position sensor 121 on temperature calibration hollow out rotating cylinder assembly 111.When normal temperature calibration hollow out turns
Cartridge module 111 be located at initial position when, position sensor 121 is directly relative with described raised 119, thus come to detect normal temperature calibration
The initial position of hollow out rotating cylinder assembly 111.
As shown in figure 3, normal temperature calibration hollow out rotating cylinder assembly 111 mainly includes hollow out rotating cylinder 112 and is arranged on hollow out rotating cylinder
The absorbing material 113 of 112 inner sides.
As shown in Fig. 2 in a preferred embodiment, normal temperature correcting mechanism also includes heat-insulated device 114,115.This is heat-insulated
Device 114,115 is arranged between rotating shaft 116 and normal temperature calibration hollow out rotating cylinder assembly 111, is used for preventing the first motor 118
The heat producing is transmitted to normal temperature calibration hollow out rotating cylinder assembly 111 through rotating shaft 116.
Fig. 4 shows that the stereochemical structure of the high temperature calibration semicircle board component of an exemplary embodiment according to the present invention is shown
It is intended to.
As shown in Figure 1, Figure 2 and Figure 4, high temperature is calibrated one end of semicircle board component 130 and is fixed on the by fan 137
On one synchronous cog belt wheel 138, the first synchronizing jugged belt wheel 138 is pivotally supported in rotating shaft 116 by bearing, and first is synchronous
Profile of tooth belt wheel 138 passes through the second synchronizing jugged belt wheel 141 on synchronous cog belt 140 and the output shaft of the second motor 142
It is connected.
Fig. 5 shows that the high temperature along the line B-B in Fig. 4 calibrates the sectional view of semicircle board component.
As shown in Figure 2 and Figure 5, in a preferred embodiment, high temperature calibration semicircle board component 130 from inside to outside wraps successively
Include：Collet 131, absorbing material 113, heat-conducting plate 133, resistance heating film 134, insulation material 135 and thermal insulation board 136.
As shown in Figure 2 and Figure 5, in a preferred embodiment, high temperature correcting mechanism also includes temperature sensor 132.Should
Temperature sensor 132 is arranged on the inside that described high temperature calibrates semicircle board component 130, contacts with resistance heating film 134, for examining
Survey the temperature that described high temperature calibrates semicircle board component 130.
As shown in Fig. 2 in a preferred embodiment, high temperature correcting mechanism also includes two spacing detectors 122, is used for
Limit the hunting range that high temperature calibrates semicircle board component 130, make high temperature calibrate semicircle board component 130 in a pair spacing detector
Swing in 122 limited ranges.Preferably, spacing detector 122 is spacing proximity switch.
As shown in figure 1, in a preferred embodiment, high temperature correcting mechanism also includes tensioning wheel 143, for adjusting synchronization
The tension force of cog belt 140.As shown in figure 1, tensioning wheel 143 is fixed on support 129, and it is pressed on synchronous cog belt 140, make same
The state that step cog belt 140 holding is tightened.
Although describing the present invention in conjunction with accompanying drawing, the embodiment disclosed in accompanying drawing is intended to preferred to the present invention
Embodiment is illustrative, and it is not intended that limiting to one kind of the present invention.
Although some embodiments of this present general inventive concept are shown and illustrate, those of ordinary skill in the art will manage
Solution, in the case of the principle without departing substantially from this present general inventive concept and spirit, can make a change to these embodiments, the present invention's
Scope is limited with claim and their equivalent.
Claims (23)
1. the radiation meter temperature calibrating installation of a kind of millimeter wave inspection equipment, including：
Normal temperature correcting mechanism, the calibration temperature of described normal temperature correcting mechanism is equal to current environmental temperature, for calibrating radiometer
Initial value；With
High temperature correcting mechanism, the calibration temperature of described high temperature correcting mechanism is higher than current environmental temperature, for normal temperature adjusting machine
Structure calibrates the gain of radiometer together；
Described normal temperature correcting mechanism includes：
Rotatable normal temperature calibration hollow out rotating cylinder assembly (111)；With
First motor (118), described first motor (118) is arranged on support (129), for driving normal temperature to calibrate
Hollow out rotating cylinder assembly (111) continuously rotates around described radiometer；
Described high temperature correcting mechanism includes：
High temperature calibration semicircle board component (130)；With
Second motor (142), described second motor (142) is arranged on support (129), for driving high temperature to calibrate
Semicircle board component (130) swings around described radiometer；
Wherein, described normal temperature is calibrated one end of hollow out rotating cylinder assembly (111) and is connected with rotating shaft (116), described rotating shaft (116) and institute
The output shaft stating the first motor (118) connects；
Wherein, described high temperature is calibrated one end of semicircle board component (130) to be fixed on first by fan (137) synchronizing jugged
On belt wheel (138), described first synchronizing jugged belt wheel (138) is pivotally supported in described rotating shaft (116) by bearing, described
It is same with second on the output shaft of the second motor (142) that first synchronizing jugged belt wheel (138) passes through synchronous cog belt (140)
Step profile of tooth belt wheel (141) is connected.
2. the radiation meter temperature calibrating installation of millimeter wave inspection equipment according to claim 1, wherein,
Described normal temperature calibration hollow out rotating cylinder assembly (111) and described high temperature calibration semicircle board component (130) are around same axial-movement.
3. the radiation meter temperature calibrating installation of millimeter wave inspection equipment according to claim 2, wherein, described support
(129) it is U-bracket, it has antetheca (129a) and the rear wall (129b) relative with antetheca (129a).
4. the radiation meter temperature calibrating installation of millimeter wave inspection equipment according to claim 1, wherein,
The axle head of described rotating shaft (116) is drilled with keyed axis hole, and the output shaft insertion of described first motor (118) is described to be turned
In the axis hole of axle (116), thus realizing direct docking between the two.
5. the radiation meter temperature calibrating installation of millimeter wave inspection equipment according to claim 4, wherein,
Bearing block (128) is formed with the antetheca (129a) of described support (129), described rotating shaft (116) is passed through bearing (117) and turned
It is supported in the through hole (119) of bearing block (128) dynamicly.
6. the radiation meter temperature calibrating installation of millimeter wave inspection equipment according to claim 5, wherein, described support
(129) it is respectively formed with rear wall (129b)：
For installing the first motor location hole (127a) of the first motor (118)；With
For installing the second motor location hole (127b) of the second motor (142).
7. the radiation meter temperature calibrating installation of millimeter wave inspection equipment according to claim 6, wherein,
Described first motor location hole (127a) is concentric with the through hole (119) of described bearing block (128).
8. the radiation meter temperature calibrating installation of millimeter wave inspection equipment according to claim 7, wherein,
Described normal temperature correcting mechanism also includes temperature sensor (120), for detecting described normal temperature calibration hollow out rotating cylinder assembly
(111) temperature.
9. the radiation meter temperature calibrating installation of millimeter wave inspection equipment according to claim 7, wherein,
Described normal temperature correcting mechanism also includes position sensor (121), for detecting described normal temperature calibration hollow out rotating cylinder assembly
(111) initial position.
10. the radiation meter temperature calibrating installation of millimeter wave inspection equipment according to claim 9, wherein,
Described position sensor (121) is proximity switch, and is arranged on support (129)；And
Described normal temperature calibration hollow out rotating cylinder assembly (111) is provided with the projection corresponding with described position sensor (121)
(119),
When described normal temperature calibration hollow out rotating cylinder assembly (111) is located at initial position, described position sensor (121) is convex with described
Play (119) directly relatively.
The radiation meter temperature calibrating installation of 11. millimeter wave inspection equipments according to claim 7, wherein, described normal temperature school
Quasi- hollow out rotating cylinder assembly (111) includes：
Hollow out rotating cylinder (112)；With
It is arranged on the absorbing material (113) inside hollow out rotating cylinder (112).
The radiation meter temperature calibrating installation of 12. millimeter wave inspection equipments according to claim 7, wherein, described normal temperature school
Quasi- mechanism also includes：
Heat-insulated device (114,115), described heat-insulated device (114,115) is arranged on described rotating shaft (116) and calibrates hollow out with normal temperature
Between rotating cylinder assembly (111), it is used for preventing the heat that the first motor (118) produces to be transmitted to often through described rotating shaft (116)
Temperature calibration hollow out rotating cylinder assembly (111).
The radiation meter temperature calibrating installation of 13. millimeter wave inspection equipments according to claim 1, wherein, described high temperature school
Quasi- semicircle board component (130) from inside to outside includes successively：Collet (131), absorbing material (113), heat-conducting plate (133), resistance
Heating film (134), insulation material (135) and thermal insulation board (136).
The radiation meter temperature calibrating installation of 14. millimeter wave inspection equipments according to claim 13, wherein, described high temperature school
Quasi- mechanism also includes：
Temperature sensor (132), described temperature sensor (132) is arranged on described high temperature and calibrates the interior of semicircle board component (130)
Portion, is contacted with resistance heating film (134), for detecting the temperature of described high temperature calibration semicircle board component (130).
The radiation meter temperature calibrating installation of 15. millimeter wave inspection equipments according to claim 1, wherein, described high temperature school
Quasi- mechanism also includes：
Two spacing detectors (122), calibrate the hunting range of semicircle board component (130) for limiting described high temperature.
The radiation meter temperature calibrating installation of 16. millimeter wave inspection equipments according to claim 1, wherein, described high temperature school
Quasi- mechanism also includes：
Tensioning wheel (143), for adjusting the tension force of described synchronous cog belt (140).
The radiation meter temperature calibrating installation of 17. millimeter wave inspection equipments according to claim 1, wherein,
Described normal temperature correcting mechanism and described high temperature correcting mechanism are mutually thermally isolated.
The radiation meter temperature calibrating installation of 18. millimeter wave inspection equipments according to claim 17, wherein,
Described normal temperature correcting mechanism and described high temperature correcting mechanism are mutually thermally isolated by heat-insulating material.
The radiation meter temperature calibrating installation of 19. millimeter wave inspection equipments according to claim 17, wherein,
Described normal temperature correcting mechanism and described high temperature correcting mechanism are mutually thermally isolated by the air gap.
A kind of 20. calibration steps of the radiometer of millimeter wave inspection equipment, using according to any one of claim 1-23
Radiation meter temperature calibrating installation execute millimeter wave inspection equipment radiometer calibration, including step：
With radiometer receive temperature be equal to current environmental temperature normal temperature correcting mechanism radiation millimeter wave energy, thus obtain with
The corresponding normal temperature millimeter wave energy of current environmental temperature, and marked with the normal temperature millimeter wave energy of current environmental temperature and acquisition
The initial value of fixed described radiometer.
The calibration steps of the radiometer of 21. millimeter wave inspection equipments according to claim 20, also includes step：
Receive the millimeter wave energy of the high temperature correcting mechanism radiation with the predetermined high temperature higher than current environmental temperature with radiometer,
Thus obtaining the high temperature millimeter wave energy corresponding with predetermined high temperature, and demarcate the increasing of described radiometer with equation below
Benefit：
(high temperature millimeter wave energy-normal temperature millimeter wave energy)/(predetermined high temperature-current environmental temperature).
The calibration steps of the radiometer of 22. millimeter wave inspection equipments according to claim 20 it is characterised in that：
Described normal temperature correcting mechanism continuously rotates around radiometer, continuously to calibrate to the initial value of described radiometer.
The calibration steps of the radiometer of 23. millimeter wave inspection equipments according to claim 21 it is characterised in that：
Described high temperature correcting mechanism around radiometer reciprocally swinging so that together with described normal temperature correcting mechanism, to described radiation
The gain of meter is calibrated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534830.2A CN104316910B (en) | 2010-06-30 | 2010-06-30 | Radiometer temperature calibration device and method of millimeter wave inspection device |
| HK15104451.7A HK1204067A1 (en) | 2010-06-30 | 2015-05-12 | Radiometer temperature calibration device and calibration method for millimeter wave inspection equipments |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534830.2A CN104316910B (en) | 2010-06-30 | 2010-06-30 | Radiometer temperature calibration device and method of millimeter wave inspection device |
| CN201010223295.0A CN102313912B (en) | 2010-06-30 | 2010-06-30 | Temperature correction device and correction method for radiometer of millimeter wave detection equipment |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010223295.0A Division CN102313912B (en) | 2010-06-30 | 2010-06-30 | Temperature correction device and correction method for radiometer of millimeter wave detection equipment |
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| CN104316910A CN104316910A (en) | 2015-01-28 |
| CN104316910B true CN104316910B (en) | 2017-02-15 |
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| CN201410534830.2A Active CN104316910B (en) | 2010-06-30 | 2010-06-30 | Radiometer temperature calibration device and method of millimeter wave inspection device |
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| US20080290265A1 (en) * | 2007-05-21 | 2008-11-27 | Robert Patrick Daly | System and method of calibrating a millimeter wave radiometer using an optical chopper |
| JP2010008273A (en) * | 2008-06-27 | 2010-01-14 | Maspro Denkoh Corp | Millimeter wave imaging apparatus |
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| CN1185831A (en) * | 1996-04-02 | 1998-06-24 | 布劳恩股份公司 | Method of calibrating a radiation thermometer |
| CN1821732A (en) * | 2006-04-06 | 2006-08-23 | 中国人民解放军空军航空医学研究所 | Method and device for real-time correcting infrared measuring temperature |
| CN101435721A (en) * | 2007-11-14 | 2009-05-20 | 弗卢克公司 | Infrared target temperature correction system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104316910A (en) | 2015-01-28 |
| CN102313912A (en) | 2012-01-11 |
| CN102313912B (en) | 2014-09-24 |
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