CN206740642U - Focal length adjusting device of photoelectric detection module - Google Patents
Focal length adjusting device of photoelectric detection module Download PDFInfo
- Publication number
- CN206740642U CN206740642U CN201720458005.8U CN201720458005U CN206740642U CN 206740642 U CN206740642 U CN 206740642U CN 201720458005 U CN201720458005 U CN 201720458005U CN 206740642 U CN206740642 U CN 206740642U
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- Prior art keywords
- module
- photodetection
- focus adjuster
- photodetection module
- fan
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses the focus adjusting device of photoelectric detection module is equipped with a pedestal and displacement module, this pedestal has a bottom surface and locates the first face of installing of this bottom surface one side, this first face of installing can supply to load an at least photoelectric detection module, this photoelectric detection module can be used to survey the ray of terahertz frequency channel, this terahertz wavelength frequency channel scope is 0.03mm to 3mm, this displacement module is equipped with a power part and at least a connecting piece, this power part and this bottom surface are connected to this connecting piece, by the fore-and-aft position of this pedestal of this displacement module adjustment, the focus of adjusting this photoelectric detection module is used, in order to promote the quality of getting for instance.
Description
Technical field
It is especially available to can be applied to photodetection module about a kind of focus adjuster, espespecially one kind for the utility model
In the focus adjuster of Terahertz frequency range.
Background technology
Electromagnetic radiation is used in the object inspection of Noninvasive, such as luggage, handbag, briefcase etc., recognizing on airport and
The hidden contraband of public building.The contraband can be included for example, hiding gun, knife tool, destructor and banning drugs.
When the method that ruffian and terrorist conceal contraband is weeded out the old and bring forth the new, the demand of more effective non-intrusive inspection just increases
.
A kind of common inspection system line scanner, wherein, object to be checked (such as, luggage) passes through such as X ray
Between the stationary radiation source of radiation and fixed detector.The radiation collimation is into vertical fan beam or cone-beam, and the thing
Body flatly moves through the beam.Radiation transmitted through the object is attenuated to different journeys by the content of the object
Degree.The function of the decay material density that the radiation beam passed through of radiation.The radiation through decay is detected, and this is produced to check
The radiography image of the content of object.The radiography image shows the close of the shape of the content, size and change
Degree.
Except the above-mentioned object carried out for safety and saving from damage by critical consideration checks outer, radiate and can act also as curing
Learn the scanning in purpose.After X ray is being found for 1895, medical field is just used as diagnostic uses by the use of X ray extensively.X is penetrated
Line possesses the characteristic of energy penetrating material, identical X-ray energy, has different penetration capacitys for the material of different densities.Cause
The organ and bone of human body have different density, after X ray projects and penetrates some position of human body, just can be produced on X-ray
The different image of the depth, such as bone are given birth in white on X-ray, lungs presentation black, and stereotype then can obstruct X completely and penetrate
Line.These images can be used for medical diagnosis on disease, such as can be applied to fracture (fracture) or PUD D.
Although using X ray the inspection of Noninvasive can be carried out based on safety or goals of medicine, but still there is generation radiation danger
The security concerns of victimization body；So we develop a kind of inspection equipment that will not send X ray or electromagnetic wave, this inspection
It is mainly to utilize the ray of " Terahertz (Tera Hertz, THz) " frequency range to look into equipment.Wherein, " too " it is an order of magnitude unit,
" hertz " is a cps, so " Terahertz " is exactly to represent a frequency range, frequency 0.1THz to 10THz it
Between, corresponding wavelength is in 0.03mm between 3mm, and the wave band is in the submillimeter wave and far infrared between microwave and infrared light
Wave band.
Terahertz can be produced and to external radiation from human body, and the inspection equipment is passively connect through a terahertz detector
The Terahertz that human body is sent is received, the two dimension " snapshot " for the human body that develops through processing., should when being concealed with article during human body wears the clothes thing
The Terahertz that area radiation goes out is blocked, and generation and the inconsistent shade of other body parts in " snapshot ", so as to visit
Know the position of hiding article.Above-mentioned Terahertz can also be projected by artificial THz source generator and formed.
Wherein, the inspection equipment of example Terahertz has equipment to have following advantages compared to habit.
1st, Terahertz is launched using passive detection, and any ionization or electromagnetic radiation is not present in equipment, to being detected personnel
It is perfectly safe.Launch Terahertz even with active probe, because the photon energy of Terahertz is very low, amount of radiation is only that mobile phone connects
1/10 when logical, harmful photoionization will not be produced in human body, so comparatively safe compared to X ray.
2nd, practising has equipment all to carry out hand inspection using x-ray imaging as main auxiliary with metal detector, due to X ray in itself
The characteristics of intrinsic, hiding nonmetallic dangerous material, weapon, drugs and explosive can not be checked；And the penetration capacity of Terahertz
Very strong, it can not only detect metal, and the dangerous goods such as nonmetallic, colloid that human body carries, powder, ceramics, liquid can be by
Identification.
3rd, equipment can detect per hour passes through 500 people, is 5 times of Traditional Man detection, improves inspection efficiency.
Terahertz is equally applicable for image objects, environment in addition to the inspection that can be applied to safety as described above and save from damage
Monitoring, biologic medical detection, broadband mobile communication etc., development in view of Terahertz Technology and widely can should
With active development goes out the development trend that corresponding element is presently relevant industry.
Utility model content
The technical problem that the utility model solves can be applied to photodetection module, especially terahertz in offer one kind
The hereby focus adjuster of detector.
Technological means is as described below used by the utility model.
The utility model mid-focal length adjusting apparatus is available for loading an at least photodetection module, is particularly useful for detection too
The ray of hertz frequency range, the wavelength band scope of the Terahertz are 0.03mm to 3mm, wherein, the focus adjuster is provided with one
Pedestal and displacement module, the pedestal have a bottom surface and the first installment surface located at the bottom surface side, first installment surface
It is available for loading an at least photodetection module, the displacement module is provided with a force piece and at least a connection piece, connector connection
The force piece and the bottom surface.
Wherein, the front and back position of the pedestal is adjusted by the displacement module, uses the focal length for adjusting the photodetection module, with
The quality of capture is lifted, terahertz detector is especially can be applied to, the focusing of Terahertz can be completed.
According to above-mentioned technical characteristic, the pedestal is further provided with a heat radiation module, to be dissipated for the photodetection module
Heat.
According to above-mentioned technical characteristic, the heat radiation module dissipates including at least a cooling wafer, a body, a temperature-uniforming plate, one
Hot fin, a fan or combinations of the above.
According to above-mentioned technical characteristic, first installment surface is vertically installed in the bottom surface, and the bottom surface is relative to first dress
If the side in face is further provided with the second installment surface, the heat radiation module is then arranged at second installment surface.
According to above-mentioned technical characteristic, the heat radiation module is provided with an at least fan, at least a body and a cavity, the chamber
Body and the photodetection module contact, and two ends of the body are then connected to the cavity, have fluid in the body, should
Fan is then installed in second installment surface, and the thermal source of the photodetection module can be taken out of and be dissipated by the fan by the body
Heat.
According to above-mentioned technical characteristic, second installment surface is further provided with the 3rd different from least side for connecting the bottom surface
Installment surface, the 3rd installment surface set an at least fan.
According to above-mentioned technical characteristic, the focus adjuster is arranged in a casing, and the casing is close to the radiating mould
One side wall of group is provided with an at least fan.
According to above-mentioned technical characteristic, the heat radiation module includes cooling wafer, temperature-uniforming plate and radiating fin.
According to above-mentioned technical characteristic, the force piece further has an operating bar interlocked with it, and the connector is then
It is arranged on the operating bar.
According to above-mentioned technical characteristic, the pedestal is provided with a slide rail further below, the bearing of trend of the slide rail parallel to
The operating bar, the bottom surface are simultaneously arranged on the slide rail by an at least sliding block.
An at least auxiliary positioning piece is further vertically installed with according to above-mentioned technical characteristic, on the bottom surface.
According to above-mentioned technical characteristic, the photodetection module has a circuit board and the spy being arranged on the circuit board
Chip is surveyed, the circuit board is fixed on first installment surface.
According to above-mentioned technical characteristic, the detection chip is Terahertz detector array.
According to above-mentioned technical characteristic, the circuit board is further provided with least two electronic components, and adjacent two electronic component
Between be further provided with a suction ripple material.
According to above-mentioned technical characteristic, the detection chip periphery is further provided with shielding construction.
According to above-mentioned technical characteristic, the focus adjuster is arranged in a casing, and the shielding construction is located at the casing
It is interior.
Technique effect caused by the utility model：Focus adjuster of the present utility model is available for adjusting photodetection mould
The focal length of group, especially can be applied to the ray of Terahertz frequency range, (such as the detection chip of the photodetection module is Terahertz
Detector array), overall photodetection module can be used as Security Inspection Equipments.
Brief description of the drawings
Fig. 1 is the structural perspective for showing photodetection module in the utility model.
Fig. 2 is the first structure stereogram for showing the utility model mid-focal length adjusting apparatus.
Fig. 3 is the second structural perspective for showing the utility model mid-focal length adjusting apparatus.
Fig. 4 is the structural representation for showing the utility model mid-focal length adjusting apparatus.
Fig. 5 is the 3rd structural perspective for showing the utility model mid-focal length adjusting apparatus.
Fig. 6 is the structural representation for showing photodetection module in the utility model.
Figure number explanation：
Photodetection module 10
Casing 11
Circuit board 12
Detect chip 13
Window 14
Electronic component 15
Shielding construction 16
Focus adjuster 20
Pedestal 21
Bottom surface 211
First installment surface 212
Second installment surface 213
3rd installment surface 214
Displacement module 22
Force piece 221
Connector 222
Operating bar 223
Slide rail 224
Sliding block 225
Heat radiation module 23
Fan 231
Body 232
Cavity 233
Auxiliary positioning piece 24.
Embodiment
The structural perspective that Fig. 1 show photodetection module in the utility model is referred to, and Fig. 2 show this reality
With the first structure stereogram of new mid-focal length adjusting apparatus.First, photodetection module 10 is mainly located in the utility model
In one casing 11, the photodetection module 10 is provided with a circuit board 12 in the casing 11 and is arranged on the circuit board 12
Detection chip 13, the front of the casing 11 has a window 14 for receiving light source, and brilliant relative to the detection in the casing 11
An at least lens (not shown) is further provided between the front of piece 13 and window 14, allows light source through window 14 again via lens
Effect allow detection chip 13 receive.
Wherein, focus adjuster 20 of the present utility model is similarly provided in the casing 11, and for loading an at least light
Electrical resistivity survey surveys module 10, and can adjust the focal length of the photodetection module 10, as illustrated, the focus adjuster 20 is provided with one
Body 21 and displacement module 22, the pedestal 21 have a bottom surface 211 and the first installment surface 212 located at the side of bottom surface 211；
Wherein, first installment surface 212 is vertically installed in the bottom surface 211 and is preferred, and first installment surface 212 is available for loading the photodetection
Module 10, the circuit board 12 of the photodetection module 10 are fixed on first installment surface 212.
The displacement module 22 is provided with a force piece 221 (can be motor or stepper motor) and at least a connection piece 222, should
Connector 222, which connects the force piece 221 and the bottom surface 211, the force piece 221, further has an operating bar interlocked with it
223, and the connector 222 is then arranged on the operating bar 223 to connect the pedestal 21 and operating bar 223, the connector
222 at this with that can be further provided with cushion block (not shown), adjustable to produce mistake because of the making precision difference of the bottom surface 211 of pedestal
Difference, and ensure the planarization that pedestal 21 moves.
Using the power of force piece 221 by the operating bar 223 and connector 222 to drive the pedestal 21 movable,
The front and back position for changing photodetection module 10 is used, and can adjust the focal length of the photodetection module 10.Furthermore under the pedestal
Side is further provided with a slide rail 224, and the bearing of trend of the slide rail 224 is parallel to the operating bar 223, the bottom surface 211 and by extremely
A few sliding block 225 is arranged on the slide rail, it can be ensured that the linear movement of pedestal 21.
The pedestal is further provided with a heat radiation module, and can be moved as pedestal translates, to for the photodetection mould
Group radiating, the heat radiation module comprise at least a cooling wafer, a body, a temperature-uniforming plate, a radiating fin, a fan or above-mentioned
Combination, such as water-cooled cooling system or heat pipe-type cooling system；In embodiment as shown in Figures 3 and 4, the phase of bottom surface 211
The second installment surface 213 is further provided with for the side of first installment surface 212；Wherein, second installment surface 213 is vertically arranged
It is preferred in the bottom surface 211, in embodiment as depicted, the heat radiation module 23 is provided with least a fan 231, at least a body
232 and a cavity 233, the cavity 233 and the photodetection module contact, the cavity 233 be securable on the circuit board 12
And contacted with the detection chip 13, and two ends of the body 232 are then connected to the cavity 233, have in the body 232
Fluid (can be liquid or gas), the fan 231 can then be installed in second installment surface 213, the fluid warp in the body 232
Detection chip 13 is crossed, the thermal source that chip 13 is detected in the photodetection module can be taken out of and be radiated via the fan 231；
In addition, second installment surface 213 is further provided with the 3rd installment surface 214 different from least side for connecting the bottom surface 211, refer to
Shown in Fig. 5, the side of the second installment surface 213 is connected to provided with three the 3rd installment surfaces 214, the 3rd installment surface 214 set to
A few fan 231；Or the casing is provided with an at least fan 231 close to a side wall of the heat radiation module, by each fan 231
Cold air is discharged and sucked to thermal source, can further increase radiating effect.
Furthermore the heat radiation module can also include cooling wafer, temperature-uniforming plate and radiating fin, the heat radiation module can be filled directly
On the circuit board of the photodetection module, the auxiliary positioning piece set by pedestal is recycled to make for the positioning of the heat radiation module
With, when allowing the pedestal to move, make with while the photodetection module that moves and heat radiation module will not rock, to ensure that photoelectricity is visited
Survey the stability of module and heat radiation module.
Wherein, an at least auxiliary positioning piece 24 is further vertically installed with the bottom surface 211, as shown in Figures 4 and 5, can
Power circuit board 12 connects other electronic components 15 set and positioned, and those electronic components 15 is not moved with pedestal 21 and shakes
It is dynamic, and a suction ripple material (not shown) is further provided between adjacent two electronic component 15, can be by the electromagnetic wave phase of two electronic components 15
Mutually isolation, without producing the problem of interfering；Wherein, the suction ripple material can be coating, be covered in a wherein electronic component
Surface, the suction ripple material can also be a sheet structure be arranged between two electronic component.
Furthermore the periphery of detection chip 13 is further provided with shielding construction 16, as shown in fig. 6, the shielding construction 16 is located at
In the casing 11, wherein the shielding construction 16 is preferred with the distal extent being surrounded between the detection chip 13 and lens；Work as light source
When allowing the detection chip 13 to receive via the effect of lens again through window 14, now shielding construction 16 can then inhale spuious light
Receive, and will not reflex to the detection chip 13 influences its result of detection.
Focus adjuster of the present utility model is available for adjusting the focal length of photodetection module, especially can be applied to terahertz
The hereby ray (such as the detection chip of the photodetection module is Terahertz detector array) of frequency range, allows overall photodetection mould
Group can use as Security Inspection Equipments.
Claims (17)
1. a kind of focus adjuster of photodetection module, the focus adjuster is available for loading an at least photodetection mould
Group, the photodetection module can be used for the ray of detection Terahertz frequency range, the wavelength band scope of the Terahertz for 0.03mm extremely
3mm, it is characterised in that：
The focus adjuster is provided with a pedestal and displacement module, and the pedestal has a bottom surface and located at the bottom surface side
First installment surface, first installment surface are available for loading an at least photodetection module, and the displacement module is provided with a force piece and extremely
Few a connection piece, the connector connect the force piece and the bottom surface.
2. the focus adjuster of photodetection module as claimed in claim 1, it is characterised in that the pedestal is provided with a radiating mould
Group, to be radiated for the photodetection module.
3. the focus adjuster of photodetection module as claimed in claim 2, it is characterised in that the heat radiation module comprises at least
One cooling wafer, a body, a temperature-uniforming plate, a radiating fin, a fan or combinations of the above.
4. the focus adjuster of photodetection module as claimed in claim 2, it is characterised in that first installment surface is vertically set
The bottom surface is placed in, the bottom surface is provided with the second installment surface relative to the side of first installment surface, and the heat radiation module is then arranged at this
Second installment surface.
5. the focus adjuster of photodetection module as claimed in claim 4, it is characterised in that the heat radiation module is provided with least
One fan, at least a body and a cavity, the cavity and the photodetection module contact, and two ends of the body are then distinguished
The cavity is connected to, there is fluid in the body, the fan is then installed in second installment surface, and the body can be by the photodetection
The thermal source of module is taken out of and radiated by the fan.
6. the focus adjuster of photodetection module as claimed in claim 4, it is characterised in that second installment surface is different from even
At least side for connecing the bottom surface is provided with the 3rd installment surface, and the heat radiation module is provided with an at least fan, at least a body and a chamber
Body, the cavity and the photodetection module contact, and two ends of the body are then connected to the cavity, have in the body
Fluid, the fan are then installed in the 3rd installment surface, and the body can take the thermal source of the photodetection module out of and by the fan
Radiated.
7. the focus adjuster of photodetection module as claimed in claim 6, it is characterised in that the focus adjuster is set
In in a casing, the casing is provided with an at least fan close to a side wall of the heat radiation module.
8. the focus adjuster of photodetection module as claimed in claim 2, it is characterised in that the heat radiation module includes refrigeration
Chip, temperature-uniforming plate and radiating fin.
9. the focus adjuster of photodetection module as described in claim 1 to 8 is any, it is characterised in that the force piece has
There is an operating bar interlocked with it, and the connector is then arranged on the operating bar.
10. the focus adjuster of photodetection module as claimed in claim 9, it is characterised in that one is provided with below the pedestal
Slide rail, the bearing of trend of the slide rail are arranged on the slide rail parallel to the operating bar, the bottom surface and by an at least sliding block.
11. the focus adjuster of photodetection module as described in claim 1 to 8 is any, it is characterised in that hung down on the bottom surface
Directly it is provided with an at least auxiliary positioning piece.
12. the focus adjuster of photodetection module as described in claim 1 to 8 is any, it is characterised in that the photodetection
There is module a circuit board and the detection chip being arranged on the circuit board, the circuit board to be fixed on first installment surface.
13. the focus adjuster of photodetection module as claimed in claim 12, it is characterised in that the detection chip is terahertz
Hereby detector array.
14. the focus adjuster of photodetection module as claimed in claim 12, it is characterised in that the circuit board is provided with least
Two electronic components, and one is provided between adjacent two electronic component and inhales ripple material.
15. the focus adjuster of photodetection module as claimed in claim 12, it is characterised in that the focus adjuster is set
It is placed in a casing, an at least lens is provided with relative to the front of the detection chip in the casing.
16. such as the focus adjuster of the claim 12 photodetection module, it is characterised in that detection chip periphery
Provided with shielding construction.
17. the focus adjuster of photodetection module as claimed in claim 16, it is characterised in that the focus adjuster is set
It is placed in a casing, the shielding construction is located in the casing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106205704U TWM549355U (en) | 2017-04-24 | 2017-04-24 | Focus-adjusting device of photoelectric probing module |
| TW106205704 | 2017-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206740642U true CN206740642U (en) | 2017-12-12 |
Family
ID=60563056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458005.8U Expired - Fee Related CN206740642U (en) | 2017-04-24 | 2017-04-27 | Focal length adjusting device of photoelectric detection module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206740642U (en) |
| TW (1) | TWM549355U (en) |
-
2017
- 2017-04-24 TW TW106205704U patent/TWM549355U/en not_active IP Right Cessation
- 2017-04-27 CN CN201720458005.8U patent/CN206740642U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TWM549355U (en) | 2017-09-21 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171212 Termination date: 20180427 |