CN209057445U - A kind of photodetector protective device - Google Patents
A kind of photodetector protective device Download PDFInfo
- Publication number
- CN209057445U CN209057445U CN201821510590.2U CN201821510590U CN209057445U CN 209057445 U CN209057445 U CN 209057445U CN 201821510590 U CN201821510590 U CN 201821510590U CN 209057445 U CN209057445 U CN 209057445U
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- China
- Prior art keywords
- inner cavity
- heat
- protective cover
- shell
- photodetector
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- 230000001681 protective effect Effects 0.000 title claims abstract description 47
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 229960001866 silicon dioxide Drugs 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 4
- 239000003575 carbonaceous material Substances 0.000 claims description 3
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measurement Of Radiation (AREA)
Abstract
The utility model relates to photodetector technical fields, especially a kind of photodetector protective device, including shell, the photomultiplier tube is located at the inner cavity of protective cover, temperature sensor is installed on the inside of the protective cover, the inner cavity two sides of the protective cover are symmetrically arranged with groove, the inner cavity of the groove is mounted on the first cooling piece, the two sides of the protective cover are equidistantly equipped with the through-hole to match with groove location, the two sides of the protective cover are connected with fixed cover jointly between shell, the inner cavity of the fixed cover is equipped with heat-conducting plate, the outside of the heat-conducting plate is equidistantly connected with the metal bar to match with lead to the hole site, the outside of the heat-conducting plate is equidistantly equipped with heat release hole, the heat-conducting plate is equidistantly connected with Wave radiating fin far from the side of metal bar, the utility model has the advantages of simple structure, design is reasonable, and it is practical , heat radiation protection is carried out convenient for the inner components to photodetector.
Description
Technical field
The utility model relates to photodetector technical field, especially a kind of photodetector protective device.
Background technique
The effect of photodetector is one and converts optical signals into electric signal, the mistake then amplified again by electronic circuit
Journey, is finally then reduced into original signal, and photodetector includes photomultiplier tube, pyroelectric detector, photodiode etc.,
Photomultiplier tube is converted into several millivolts to tens millivolts of electric signal after photoelectron capable of being amplified tens of thousands of times.
Its photomultiplier tube at work, can generate a large amount of thermal energy, cause its poor work stability, low efficiency, at present
Existing radiator effect is poor, and the thermal energy that inconvenience is generated directly excludes, and does not have temperature control function, limitation
Property is larger, for this purpose, we, which provide a kind of photodetector, solves the problems, such as this with protective device.
Utility model content
Purpose of the utility model is to solve disadvantage existing in the prior art, a kind of photodetector of proposition is protected
Protection unit.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of photodetector protective device, including shell are designed, the inner cavity bottom end of the shell is equipped with circuit control
Plate, temperature control modules are equipped on the inside of the shell, and the inner cavity bottom end of the shell is equipped with protective cover, the circuit control
Photomultiplier tube is connected on the left of plate, the photomultiplier tube is located at the inner cavity of protective cover, the inside installation of the protective cover
There is temperature sensor, the inner cavity two sides of the protective cover are symmetrically arranged with groove, and the inner cavity of the groove is mounted on the first refrigeration
Piece, the two sides of the protective cover are equidistantly equipped with the through-hole that matches with groove location, and the two sides of the protective cover are and shell
Between be connected with fixed cover jointly, the inner cavity of the fixed cover is equipped with heat-conducting plate, and the outside of the heat-conducting plate equidistantly connects
There is the metal bar to match with lead to the hole site, the metal bar is respectively connected with silicagel pad, the silica gel far from one end of heat-conducting plate
Pad is respectively positioned on the inner cavity of through-hole, and the outside of the heat-conducting plate is equidistantly equipped with heat release hole, the heat-conducting plate far from metal bar one
Side is equidistantly connected with Wave radiating fin, and the inner cavity of the fixed cover is equipped with the second cooling piece, and the two sides of the shell are impartial
Away from equipped with convex heat release hole corresponding with the second cooling piece position.
Preferably, the inside of the protective cover is equipped with thermal insulation layer, and the outside of the protective cover is equipped with insulating layer.
Preferably, the inner wall of the through-hole is equipped with heat dissipation film, and the heat dissipation film is that nano-carbon material is made.
Preferably, the both ends inner diameter size of the heat release hole is different, and described lesser one end of heat release hole internal diameter and second
Cooling piece position is corresponding.
Preferably, the two sides of the shell be equipped with the corresponding card slot in convex heat dissipation hole site, the card slot it is interior
Chamber is connected with rubber ring, and the inner cavity of the rubber ring is equipped with Air Filter.
The utility model proposes a kind of photodetector protective device, beneficial effect is: this is practical to be protected by being equipped with
Shield, the heat convenient for preventing photomultiplier tube from generating are distributed in the inner cavity of shell, and then avoid other components shakiness
Fixed work, and the inner cavity of protective cover is equipped with temperature sensor, convenient for monitoring the temperature of protective cover inner cavity, and then convenient for passing through opening
First cooling piece and the second cooling piece radiate, and are conducive to control its temperature, and by being equipped with fixed cover, being convenient for will
Hot gas after radiating treatment is expelled directly out shell, and by being equipped with heat-conducting plate, and heat-conducting plate connects silicagel pad by metal bar, just
The heat come out after absorbing the first cooling piece and absorbing, and then first step heat dissipation is carried out, and by being equipped with heat release hole and wave
Type cooling fin, convenient for improving its radiating efficiency.
It is equipped with card slot by the outside of shell, the inner cavity of card slot is clamped rubber ring, and the inner cavity of rubber ring is equipped with Air Filter,
Convenient for being filtered to the floating dust in air, and easy to disassemble cleared up.
Compared with prior art, the utility model has the advantages of simple structure, and design is reasonable, and practical, convenient for examining to light
The inner components for surveying device carry out heat radiation protection.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of photodetector protective device structural schematic diagram；
Fig. 2 be the utility model proposes part A device enlarged structure schematic diagram；
Fig. 3 be the utility model proposes part B device enlarged structure schematic diagram.
In figure: shell 1, circuit control panel 2, temperature control modules 3, protective cover 4, photomultiplier tube 5, temperature sensor 6,
Groove 7, the first cooling piece 8, through-hole 9, fixed cover 10, heat-conducting plate 11, metal bar 12, silicagel pad 13, heat release hole 14, wave mode heat dissipation
Piece 15, convex heat release hole 17, thermal insulation layer 18, insulating layer 19, heat dissipation film 20, card slot 21, rubber ring 22, is prevented second cooling piece 16
Dirt net 23.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, the inner cavity bottom end of a kind of photodetector protective device, including shell 1, shell 1 is equipped with circuit
Control panel 2, the inside of shell 1 are equipped with temperature control modules 3, and the inner cavity bottom end of shell 1 is equipped with protective cover 4, protective cover 4 it is interior
Side is equipped with thermal insulation layer 18, and the outside of protective cover 4 is equipped with insulating layer 19, distributes convenient for reducing the heat that photomultiplier tube 5 generates
To going out, the inner cavity temperature for increasing shell 1 is avoided, and then prevents from influencing the normal work of other component.
The left side of circuit control panel 2 is connected with photomultiplier tube 5, and photomultiplier tube 5 is located at the inner cavity of protective cover 4, protection
The inside of cover 4 is equipped with temperature sensor 6, and the inner cavity two sides of protective cover 4 are symmetrically arranged with groove 7, and the inner cavity of groove 7 is mounted on
First cooling piece 8, the two sides of protective cover 4 are equidistantly equipped with the through-hole 9 to match with 7 position of groove, and the inner wall of through-hole 9 is equipped with
Heat dissipation film 20, and heat dissipation film 20 is that nano-carbon material is made, the heat for absorbing to the first cooling piece 8 removes, and is convenient for
Improve the heat dissipation effect of this device.
The two sides of protective cover 4 are connected with fixed cover 10 jointly between shell 1, and the inner cavity of fixed cover 10 is equipped with thermally conductive
Plate 11, the outside of heat-conducting plate 11 are equidistantly connected with the metal bar 12 to match with 9 position of through-hole, and metal bar 12 is far from heat-conducting plate
11 one end is respectively connected with silicagel pad 13, and silicagel pad 13 is respectively positioned on the inner cavity of through-hole 9, and the outside of heat-conducting plate 11, which is equidistantly equipped with, to be dissipated
The both ends inner diameter size of hot hole 14, heat release hole 14 is different, and the lesser one end of 14 internal diameter of heat release hole and 16 position of the second cooling piece
It is corresponding, convenient for increasing the rate that hot gas sheds, and convenient for reducing the space of hot gas re-flow.
Side of the heat-conducting plate 11 far from metal bar 12 is equidistantly connected with Wave radiating fin 15, and the inner cavity of fixed cover 10 is all provided with
There is the second cooling piece 16, the two sides of shell 1 are equidistantly equipped with convex heat release hole 17 corresponding with 16 position of the second cooling piece, shell
The two sides of body 1 are equipped with card slot 21 corresponding with 17 position of convex heat release hole, and the inner cavity of card slot 21 is connected with rubber ring 22,
The inner cavity of rubber ring 22 is equipped with Air Filter 23, convenient for preventing dust and other impurities from entering fixed cover 10, it is avoided to lead to the second system
Cold 16 damage, and convenient for carrying out disassembly cleaning to Air Filter 23.
Working principle: it when the utility model at work, is passed respectively with the temperature of PT100 model by temperature control modules 3
Sensor 6, the first cooling piece 8, the second cooling piece 16 are connected, when photomultiplier tube 5 enters working condition, the heat of generation
When excessively high, when the temperature of 4 inner cavity of protective cover is more than the stationary value that temperature control modules 3 are set, temperature sensor 6 is by this information
Temperature control modules 3 are passed to, and then temperature control modules 3 open the first cooling piece 8 and the second cooling piece 16, convenient for the first system
Heat-conducting plate 11 will be passed to by silicagel pad 13 and metal bar 12 again after the heat absorption of 4 inner cavity of protective cover for cold 8, convenient for dissipating
Heat, and the second cooling piece 16 will be distributed after heat absorption that second cooling piece 16 distributes by convex heat release hole 17, is convenient for
Improve heat dissipation effect.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of photodetector protective device, including shell (1), which is characterized in that install the inner cavity bottom end of the shell (1)
Have circuit control panel (2), is equipped with temperature control modules (3) on the inside of the shell (1), the inner cavity bottom end of the shell (1)
It equipped with protective cover (4), is connected with photomultiplier tube (5) on the left of the circuit control panel (2), photomultiplier tube (5) position
It is equipped with temperature sensor (6) on the inside of the inner cavity of protective cover (4), the protective cover (4), the inner cavity of the protective cover (4)
Two sides are symmetrically arranged with groove (7), and the inner cavity of the groove (7) is mounted on the first cooling piece (8), and the two of the protective cover (4)
Side is equidistantly equipped with the through-hole (9) to match with groove (7) position, and the two sides of the protective cover (4) are total between shell (1)
With fixed cover (10) is connected with, the inner cavity of the fixed cover (10) is equipped with heat-conducting plate (11), the outside of the heat-conducting plate (11)
Equidistantly be connected with the metal bar (12) to match with through-hole (9) position, the metal bar (12) far from heat-conducting plate (11) one
End is respectively connected with silicagel pad (13), and the silicagel pad (13) is respectively positioned on the inner cavity of through-hole (9), and the outside of the heat-conducting plate (11) is equal
Heat release hole (14) equidistantly are equipped with, the heat-conducting plate (11) is equidistantly connected with Wave radiating fin far from the side of metal bar (12)
(15), the inner cavity of the fixed cover (10) is equipped with the second cooling piece (16), and the two sides of the shell (1) are equidistantly equipped with and the
The corresponding convex heat release hole (17) in two cooling pieces (16) position, the temperature sensor (6), the first cooling piece (8), the second system
It is connected with temperature control modules (3) for cold (16), the temperature control modules (3) are connected with circuit control panel (2).
2. a kind of photodetector protective device according to claim 1, which is characterized in that the protective cover (4) it is interior
Side is equipped with thermal insulation layer (18), and the outside of the protective cover (4) is equipped with insulating layer (19).
3. a kind of photodetector protective device according to claim 1, which is characterized in that the inner wall of the through-hole (9)
It is equipped with heat dissipation film (20), and the heat dissipation film (20) is that nano-carbon material is made.
4. a kind of photodetector protective device according to claim 1, which is characterized in that the two of the heat release hole (14)
It is different to hold inner diameter size, and the heat release hole (14) lesser one end of internal diameter is corresponding with the second cooling piece (16) position.
5. a kind of photodetector protective device according to claim 1, which is characterized in that the two sides of the shell (1)
It is equipped with card slot (21) corresponding with convex heat release hole (17) position, the inner cavity of the card slot (21) is connected with rubber ring
(22), the inner cavity of the rubber ring (22) is equipped with Air Filter (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821510590.2U CN209057445U (en) | 2018-09-14 | 2018-09-14 | A kind of photodetector protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821510590.2U CN209057445U (en) | 2018-09-14 | 2018-09-14 | A kind of photodetector protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209057445U true CN209057445U (en) | 2019-07-02 |
Family
ID=67048970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821510590.2U Active CN209057445U (en) | 2018-09-14 | 2018-09-14 | A kind of photodetector protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209057445U (en) |
-
2018
- 2018-09-14 CN CN201821510590.2U patent/CN209057445U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190701 Address after: 610000 Chengdu Free Trade Experimental Zone, Sichuan Province, No. 1 Building, No. 88 Shujin Road, Chengdu High-tech Zone, No. 23, No. 01 Patentee after: Chengdu Mingyi Electronic Technology Co.,Ltd. Address before: 610000 Chengdu China (Sichuan) Free Trade Pilot Area, Chengdu City, Sichuan Province, No. 11, Section 1 of Comprehensive Protection Avenue, Gongxing Street, Shuangliu District, Chengdu City Patentee before: CHENGDU TALENT ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A protective device for optical detector Effective date of registration: 20211224 Granted publication date: 20190702 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: Chengdu Mingyi Electronic Technology Co.,Ltd. Registration number: Y2021990001201 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: Floor 9, block a, Xiewei center, No. 333 Dehua Road, hi tech Zone, Chengdu, Sichuan 610000 Patentee after: Chengdu Mingyi Electronic Technology Co.,Ltd. Country or region after: China Address before: 610000 Chengdu Free Trade Experimental Zone, Sichuan Province, No. 1 Building, No. 88 Shujin Road, Chengdu High-tech Zone, No. 23, No. 01 Patentee before: Chengdu Mingyi Electronic Technology Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190702 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: Chengdu Mingyi Electronic Technology Co.,Ltd. Registration number: Y2021990001201 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A protective device for photodetectors Granted publication date: 20190702 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: Chengdu Mingyi Electronic Technology Co.,Ltd. Registration number: Y2024990000170 |