CN205546155U - Light source device based on sapphire - Google Patents
Light source device based on sapphire Download PDFInfo
- Publication number
- CN205546155U CN205546155U CN201620067565.6U CN201620067565U CN205546155U CN 205546155 U CN205546155 U CN 205546155U CN 201620067565 U CN201620067565 U CN 201620067565U CN 205546155 U CN205546155 U CN 205546155U
- Authority
- CN
- China
- Prior art keywords
- sapphire
- excitation coil
- coil
- supply apparatus
- light supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
The utility model relates to a light source device based on sapphire, it is regional including constant temperature, the flat -temperature zone intra -area is provided with modified high -frequency oscillating circuits, modified high -frequency oscillating circuits has exciting coil through circuit connection, the exciting coil groove is provided with sapphire glass bubble, it is equipped with rubidium steam to fill in the sapphire glass bubble, sapphire glass bubble and exciting coil's peripheral cover has a shielding section of thick bamboo, the utility model discloses an increase current negative feedback and insert temperature compensation circuit in original pump circuit in the base return circuit for make lamp excitation current with temperature changes obviously reduce, add the way of shielding a section of thick bamboo through being close to RF coil, absorb the radio frequency and leak, it is close around the mode through single heavy gauge wire individual layer of inductance coils adoption, adopt high frequency dielectric material to be coil skeleton in order to reduce the loss simultaneously, make the glass bubble through the sapphire material for the glass bubble has high chemical stability, calorifics and electricity performance, radioresistance ability, effective utilization ratio that improves light.
Description
Technical field
This utility model relates to spectral lamp light source field, particularly relates to a kind of based on sapphire light supply apparatus.
Background technology
Ball-type glass envelope commonly used by spectral lamp bulb, diameter about 10-15.Bulb is also filled with in addition to being filled with metal rubidium and excites
Current potential is low, chemical property inactive build-up of luminance gas.Conventional Kr or Ar, air pressure 1-2Torr, bulb is placed on a high frequency generator
Oscillator coil in, frequency of oscillation is about about 100MHz, power 1-5W.The highest required exciting power of frequency of oscillation is the least,
The lowest required exciting power of frequency of oscillation is the biggest.Easily put when exciting power is big and light a lamp, but exciting power is the biggest, the longevity of lamp
Order the shortest.It addition, exciting power is too big, producing heat too many, lamp house is then difficult to temperature control.Exciting power is greatly to other lines in frequency marking
The High-frequency Interference on road is also big, is difficult to eliminate.So, typically under conditions of ensureing lamp steady operation, with the least exciting
Power.
As the critical component of inactive type rubidium atom frequency scale, the performance of rubidium spectral lamp is steady to short-term and the long run frequency of system
Surely degree index has directly impact.From the point of view of length is steady, the mainly stability of light intensity and the spectral profile tribute to index
Offer；From short steady from the point of view of, the mainly light background noise contribution to signal to noise ratio.In order to enable a system to preferably work, have
Necessity is placed on time enough and energy in processing and the design of light source.
Based on above reason, one is needed to be devised based on sapphire light supply apparatus, by original excitation electricity
In road increase Current Negative Three-Point Capacitance and in base loop cut-in temperature compensate circuit so that make lamp exciting current vary with temperature bright
Aobvious reduction, the luminous intensity of spectral lamp is determined by exciting power, and therefore spectrum light is strong and exciting current has direct relation, institute
Reduce with the intensity respective change scope of light；By adding the way of shielding cylinder near radio-frequency coil, absorb radio-frequency leakage, pass through whirlpool
Stream effect is converted into heat and heats for composing lamp, also reduces simultaneously and leaks the radiation interference forming complete machine；Pass through inductor wire
Circle uses single heavy gauge wire monolayer close around mode, uses Dielectric Materials at Radio Frequencies to do coil rack to reduce loss simultaneously；By indigo plant
Diamond material manufactures glass envelope so that glass envelope has high chemical stability and good optics, calorifics and electric property,
Capability of resistance to radiation, is effectively improved the utilization rate of light, i.e. a kind of based on sapphire light supply apparatus.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that one fills based on sapphire light source
Put.
This utility model is to be achieved through the following technical solutions:
A kind of based on sapphire light supply apparatus, including constant temperature zone, in described constant temperature zone, it is provided with the high frequency of improvement
Oscillating circuit, the high-frequency oscillating circuits of described improvement is connected by circuit excitation coil, and described excitation coil groove is arranged
There is sapphire glass to steep, in described sapphire glass bubble, be filled with rubidium steam；Outside described sapphire glass bubble and excitation coil
Enclose and be cased with shielding cylinder.
L3 i.e. excitation coil inductance in existing spectral lamp exciting circuit, Cec is the interelectrode capacity between transistor c, e.Shake
Swing frequency (1)
(2)
Electronic feedback coefficient (3)
When frequency marking complete machine is carried out index measurement, frequency stability and ambient temperature have the biggest dependency.Further
Test find, this phenomenon is influenced by ambient temperature to lamp exciting current in close relations relevant.The luminous intensity of spectral lamp by
Exciting power determines, therefore spectrum light is strong and exciting current has direct relation.The exciting current (i.e. power) of vibration is direct
By power tube parameterDeng impact.Theoretical and experiment proves transistor parameterWith environment
Temperature T relationship is close.
Reverse penetration current (4)
Variation with temperature rate is: (5)
And transistor threshold level VBEO vary with temperature into: (6)
Along with temperature rises, bigger quiescent point electric current IB can be obtained under conditions of VBE is less.More than Zong He
Three factors understand, and along with ambient temperature rises, exciter tube electric current IC increases, and causes exciting power to increase, and light intensity increases；Otherwise
Then light intensity reduces.Even experiment shows preferably high frequency power pipe, its temperature coefficient remains bigger.Phase must be taked
The measure answered compensates.
Described excitation coil seals in feedback resistance R1 at emitter stage, constitutes a Current Negative Three-Point Capacitance bias stabilization circuit；Institute
State excitation coil and seal in a diode at base stage below-center offset circuit.Needed by the resistance that excitation coil is improved R1, R3
Cooperate adjustment, to reach best compensation effect；Owing to the temperature-compensation circuit of base stage make use of transistor and two poles
The temperature characterisitic of pipe relevant parameter, so the two location is the most crucial: the most same warm area.By concrete real
Test and reach a conclusion, take above-mentioned measure to make lamp exciting current vary with temperature and be obviously reduced.Before not taking above-mentioned measure, temperature
From 0 DEG C 40 DEG C, exciting current changes；After taking above-mentioned measure, temperature from-10 DEG C+50 DEG C, light intensity
Change is less than 1%, and exciting current changes, why present the least negative temperature coefficient, be owing to compensating
Excessively, can change, by adjusting R1, the problem that compensation is excessive.
As preferably, described sapphire glass bubble uses plane column ending bubble, passes through while reducing bubble inner area
Plane column structure is set and adds the intensity of entirety.
As preferably, described shielding cylinder is barrel cover shape structure, effectively absorbs radio-frequency leakage, is converted into heat by eddy current effect
Amount is used for composing lamp heating, also reduces simultaneously and leaks the radiation interference forming complete machine.
As preferably, in described excitation coil, the enamel-covered wire coiling of L3 coil forms, and is immediately directed against oscillating circuit pcb board
On；Described excitation coil uses single heavy gauge wire monolayer close around mode, and described excitation coil uses Dielectric Materials at Radio Frequencies to make coil
Skeleton, effectively reduces loss.
As preferably, loop length L of described excitation coil and the ratio L/D=0.8-1.2 of coil diameter D, it is possible to effectively drop
Low coil is lost.
As preferably, described sapphire glass bubble by 100%AL2O3 crystal formation, has the highest transparent after polishing
Degree；Described sapphire glass steeps not silicate, water and other impurity, will not produce the impurity consumption to rubidium；Described sapphire
Glass envelope density is big, and this makes, and rubidium is hardly possible to be penetrated into inside it；Described sapphire glass bubble has good optics, heat
Learning and electric property, capability of resistance to radiation is strong.
As preferably, the charge of described rubidium steam passes through formula(M unit is microgram, and the unit of t is
Hour) estimate the consumption of rubidium, the loading of described rubidium steam is 500 μ g.
Compared with prior art, the beneficial effects of the utility model are: this utility model simple in construction, reasonable in design,
By in original exciting circuit increase Current Negative Three-Point Capacitance and in base loop cut-in temperature compensate circuit so that make lamp encourage
Electric current varies with temperature and is obviously reduced, and the luminous intensity of spectral lamp is determined by exciting power, and therefore spectrum light is strong and exciting current
There is direct relation, so the intensity respective change scope of light reduces；By adding the way of shielding cylinder near radio-frequency coil, inhale
Receive radio-frequency leakage, be converted into heat by eddy current effect and heat for composing lamp, also reduce simultaneously and leak the spoke that complete machine is formed
Rhizoma Belamcandae is disturbed；Use single heavy gauge wire monolayer close around mode by inductance coil, use Dielectric Materials at Radio Frequencies to do coil rack simultaneously
To reduce loss；Glass envelope is manufactured so that glass envelope has high chemical stability and good light by sapphire material
, calorifics and electric property, capability of resistance to radiation, be effectively improved the utilization rate of light.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is existing spectrum lamp exciting circuit schematic diagram；
Fig. 3 is the exciting circuit schematic diagram after improving in this utility model；
In figure: 1, constant temperature zone, 2, the high-frequency oscillating circuits improved, 3, excitation coil, 4, shielding cylinder, 5, sapphire glass
Glass steeps, and 6, rubidium steam.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Referring to Fig. 1-3, Fig. 1 is structural representation of the present utility model；Fig. 2 is existing spectrum lamp exciting circuit schematic diagram；
Fig. 3 is the exciting circuit schematic diagram after improving in this utility model.
A kind of based on sapphire light supply apparatus, including constant temperature zone 1, in described constant temperature zone 1, it is provided with the height of improvement
Frequency oscillator circuit 2, the high-frequency oscillating circuits 2 of described improvement is connected by circuit excitation coil 3, described excitation coil 3 groove
Place is provided with sapphire glass bubble 5, is filled with rubidium steam 6 in described sapphire glass bubble 5；Described sapphire glass bubble 5 is with sharp
The periphery encouraging coil 3 is cased with shielding cylinder 4.Described excitation coil 3 seals in feedback resistance R1 at emitter stage, constitutes an electric current negative anti-
Feedback bias stabilization circuit；Described excitation coil 3 has sealed in a diode at base stage below-center offset circuit；Described sapphire glass steeps
5 use plane column ending bubble, add the intensity of entirety while reducing bubble inner area by arranging plane column structure；
Described shielding cylinder 4 is barrel cover shape structure, effectively absorbs radio-frequency leakage, is converted into heat by eddy current effect and heats for composing lamp,
Also reduce simultaneously and leak the radiation interference that complete machine is formed；In described excitation coil 3, the enamel-covered wire coiling of L3 coil forms, directly
Connect and guide on oscillating circuit pcb board；Described excitation coil 3 uses single heavy gauge wire monolayer close around mode, and described excitation coil 3 is adopted
Do coil rack with Dielectric Materials at Radio Frequencies, effectively reduce loss；Loop length L of described excitation coil 3 and the ratio of coil diameter D
L/D=0.8-1.2, it is possible to effectively reduce coil loss；Described sapphire glass bubble 5, by 100%AL2O3 crystal formation, is beaten
There is after mill the highest transparency；Described sapphire glass bubble 5 not silicate, water and other impurity, will not produce impurity pair
The consumption of rubidium；Described sapphire glass steeps 5 density greatly, and this makes, and rubidium is hardly possible to be penetrated into inside it；Described sapphire glass
Glass bubble 5 has good optics, calorifics and electric property, and capability of resistance to radiation is strong；The charge of described rubidium steam 6 passes through formula(M unit is microgram, the unit of t be hour) estimates the consumption of rubidium, and the loading of described rubidium steam 6 is
500μg。
As one preferred embodiment of this utility model, this utility model is by increasing electric current in original exciting circuit
Negative feedback and in base loop cut-in temperature compensate circuit so that make lamp exciting current vary with temperature and be obviously reduced, spectrum
The luminous intensity of lamp is determined by exciting power, and therefore spectrum light is strong and exciting current has direct relation, so the intensity of light
Respective change scope reduces；By adding the way of shielding cylinder near radio-frequency coil, absorb radio-frequency leakage, converted by eddy current effect
It is used for composing lamp heating for heat, also reduces simultaneously and leak the radiation interference that complete machine is formed；Used single by inductance coil
Heavy gauge wire monolayer is close around mode, uses Dielectric Materials at Radio Frequencies to do coil rack to reduce loss simultaneously；By sapphire material system
Make glass envelope so that glass envelope has high chemical stability and good optics, calorifics and electric property, radioprotective energy
Power, is effectively improved the utilization rate of light.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (8)
1. one kind based on sapphire light supply apparatus, it is characterised in that: include that constant temperature zone (1), described constant temperature zone set in (1)
Being equipped with the high-frequency oscillating circuits (2) of improvement, the high-frequency oscillating circuits (2) of described improvement is connected by circuit excitation coil (3),
Described excitation coil (3) groove is provided with sapphire glass bubble (5), is filled with rubidium steam in described sapphire glass bubble (5)
(6)；The periphery of described sapphire glass bubble (5) and excitation coil (3) is cased with shielding cylinder (4).
One the most according to claim 1 is based on sapphire light supply apparatus, it is characterised in that: described excitation coil (3)
Seal in feedback resistance R1 at emitter stage, constitute a Current Negative Three-Point Capacitance bias stabilization circuit；Described excitation coil (3) is under base stage
Biasing circuit has sealed in a diode.
One the most according to claim 1 is based on sapphire light supply apparatus, it is characterised in that: described sapphire glass steeps
(5) plane column ending bubble is used.
One the most according to claim 1 is based on sapphire light supply apparatus, it is characterised in that: described shielding cylinder (4) is
Barrel cover shape structure.
One the most according to claim 1 is based on sapphire light supply apparatus, it is characterised in that: described excitation coil (3)
Middle L3 coil enamel-covered wire coiling forms, and is immediately directed against on oscillating circuit pcb board；Described excitation coil (3) uses single slightly leads
Line monolayer is close around mode, and described excitation coil (3) uses Dielectric Materials at Radio Frequencies to do coil rack.
One the most according to claim 1 is based on sapphire light supply apparatus, it is characterised in that: described excitation coil (3)
Loop length L and the ratio L/D=0.8-1.2 of coil diameter D.
One the most according to claim 1 is based on sapphire light supply apparatus, it is characterised in that: described sapphire glass steeps
(5) by 100%AL2O3 crystal formation；Described sapphire glass bubble (5) not silicate, water and other impurity.
One the most according to claim 1 is based on sapphire light supply apparatus, it is characterised in that: described rubidium steam (6)
Charge passes through formula, M unit is microgram, and the unit of t is hour, estimates the consumption of rubidium, and described rubidium steams
The loading of vapour (6) is 500 μ g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067565.6U CN205546155U (en) | 2016-01-25 | 2016-01-25 | Light source device based on sapphire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067565.6U CN205546155U (en) | 2016-01-25 | 2016-01-25 | Light source device based on sapphire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205546155U true CN205546155U (en) | 2016-08-31 |
Family
ID=56769114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620067565.6U Expired - Fee Related CN205546155U (en) | 2016-01-25 | 2016-01-25 | Light source device based on sapphire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205546155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105916279A (en) * | 2016-01-25 | 2016-08-31 | 江汉大学 | Sapphire-based light source apparatus |
-
2016
- 2016-01-25 CN CN201620067565.6U patent/CN205546155U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105916279A (en) * | 2016-01-25 | 2016-08-31 | 江汉大学 | Sapphire-based light source apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205546155U (en) | Light source device based on sapphire | |
| JP4261628B2 (en) | Low pressure discharge lamp lighting circuit | |
| CN104393483B (en) | 728nm frequency stabilized laser standard generation device and method thereof | |
| CN102035466B (en) | Oven controlled crystal oscillator with temperature stability enhancement | |
| CN109683641A (en) | A kind of Non-polarized lamp temprature control method and device | |
| CN105916279A (en) | Sapphire-based light source apparatus | |
| CN102291905B (en) | High-power starting method and device of rubidium spectral lamp | |
| CN204217190U (en) | A kind of spectroscopic lamp for realizing temperature-compensating | |
| CN105125060A (en) | Ultrasonic rapid-circulation heating system and heating method | |
| CN203395666U (en) | Spectral lamp for rubidium atomic frequency standards | |
| CN105446121A (en) | Physical system | |
| CN103048916B (en) | Combined type atomic clock | |
| CN204594043U (en) | Water pan component and refrigerator | |
| CN205430730U (en) | Low -power consumption light source | |
| CN106871948A (en) | A kind of magnetic electron device calibrating installation | |
| CN201570487U (en) | High-frequency electrodeless lamp | |
| CN203884060U (en) | Frequency-scale stability optimizing system | |
| CN202759412U (en) | Low aging rate super-wide constant temperature crystal oscillator | |
| CN107131430A (en) | The high light fixture of the chip structure and light utilization efficiency of light emitting diode | |
| US11053775B2 (en) | Downhole induction heater | |
| CN203167398U (en) | Spectroscopic lamp | |
| CN207370105U (en) | A kind of novel electric cigarette structure | |
| CN209263999U (en) | A kind of vacuum coating proximity sensor resistant to high temperature | |
| CN109245764A (en) | A kind of rubidium atomic clock device based on difference optical detection | |
| CN106374835B (en) | A kind of constant current ionization energizing circuit and control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |