CN103025034A - High-performance spectrum lamp device for rubidium atomic frequency standard - Google Patents
High-performance spectrum lamp device for rubidium atomic frequency standard Download PDFInfo
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- CN103025034A CN103025034A CN2012105706712A CN201210570671A CN103025034A CN 103025034 A CN103025034 A CN 103025034A CN 2012105706712 A CN2012105706712 A CN 2012105706712A CN 201210570671 A CN201210570671 A CN 201210570671A CN 103025034 A CN103025034 A CN 103025034A
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- 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
Abstract
The invention relates to a high-performance spectrum lamp device for rubidium atomic frequency standard. The high-performance spectrum lamp device comprises a traditional spectrum lamp device and a high-performance spectrum lamp device connected with each other. The high-performance spectrum lamp device comprises a pre-amplifier circuit, an oscillating circuit operating state controller and an oscillating circuit constant current controller. The pre-amplifier circuit is connected with the oscillating circuit constant current controller through the oscillating circuit operating state controller. The high-performance spectrum lamp device is capable of reflecting operating states of a spectrum lamp accurately and switching the operating states of the spectrum lamp automatically, is capable of automatically stabilizing exciting power of the spectrum lamp and is low in power consumption and high in performance.
Description
Technical field
The present invention relates to the high-performance spectrum lamp device of Rb atom frequency marking.
Background technology
Rb atom frequency marking has the characteristics such as volume is little, lightweight, low in energy consumption, and it has been widely used in the fields such as opportunity of combat, missile-borne, communication network node be synchronous.
Rb atom frequency marking is a kind of passive-type atomic frequency standard, and the spectroscopic lamp that wherein produces pumping light is the critical component of atomic frequency standard.The light intensity of spectroscopic lamp has determined the frequency stability of atomic frequency standard, and the pumping light of its generation has determined the signal to noise ratio of system, thereby the performance of spectroscopic lamp has a direct impact short-term and the long-term frequency stability of atomic frequency standard.
When the oscillating circuit exciting power was large, spectroscopic lamp easily started.But exciting power senior general produces following adverse effect: exciting power is larger, and the life-span of spectrum lamp is shorter; Exciting power is too large, produces heat too many, and lamp house then is difficult for temperature control; Exciting power is also large to the High-frequency Interference of All other routes in the frequency marking, is difficult for eliminating; Cause transistor overheated, affect transistorized operating state, thereby reduce the strong stability of spectrum light.So at the initial time that spectroscopic lamp starts, RF oscillatory circuit provides larger exciting power; After spectroscopic lamp starts, under the condition that guarantees the lamp steady operation, should use as far as possible little exciting power.
In order to realize the switching of spectroscopic lamp mode of operation, common method has: the first, and hand switch of access in the power circuit of spectroscopic lamp; The second, in oscillator-amplification circuit, use temperature-sensitive device, regulate the exciting power of spectroscopic lamp according to the spectroscopic lamp ambient temperature.
The method that adds hand switch, before spectroscopic lamp started, touching hand switch provided high power supply voltage to RF oscillatory circuit, thereby provides larger exciting power to spectroscopic lamp, and spectroscopic lamp is started rapidly.Then, touching hand switch provides lower supply voltage to spectroscopic lamp, makes exciting power be reduced to normal state, keeps the spectroscopic lamp normal operation.Yet, use such control mode very inconvenient.
Although use the method for temperature-sensitive device adjusting exciting power simple, the ambient temperature of spectroscopic lamp can not accurately reflect the operating state of spectroscopic lamp.Spectroscopic lamp inside is filled with metal rubidium and build-up of luminance gas, and it fills technique processed so that the parameter processed of filling of rubidium steam and build-up of luminance gas is difficult to accurately control, and the spectral characteristic that causes the different batches spectroscopic lamp is difference slightly.Therefore, single temperature-sensitive device adjusting spectrum lamp exciting power according to reflection spectroscopic lamp ambient temperature is inaccurate.
Therefore, be necessary to provide a kind of more high-performance rubidium atomic frequency standard spectral lamp device.
Summary of the invention
The object of the invention is to overcome the deficiency of existing spectroscopic lamp device, seek a kind ofly can accurately to reflect the spectroscopic lamp operating state, automatically finish the spectroscopic lamp mode of operation and switch, and low in energy consumption, high-performance rubidium atomic frequency standard spectral lamp device with automatic stabilisation spectroscopic lamp exciting power function.
Purpose of the present invention is achieved through the following technical solutions:
The high-performance spectrum lamp device of Rb atom frequency marking, this device comprises interconnective traditional spectroscopic lamp device and high-performance spectrum lamp device, described high-performance optical spectral apparatus comprises pre-amplification circuit, oscillating circuit working state control device and oscillating circuit constant-current controller, and described pre-amplification circuit is connected with the oscillating circuit constant-current controller by oscillating circuit working state control device.
Further, also be provided with the first current-limiting resistance between described oscillating circuit working state control device and the oscillating circuit constant-current controller, output signal according to oscillating circuit working state control device is judged the oscillating circuit constant-current controller, the operating state of stable spectra lamp.
Further, also be provided with a transistor as diverter switch between described the first current-limiting resistance and the oscillating circuit working state control device, when spectroscopic lamp started, control signal was high voltage, and then transistor turns is that diverter switch is closed; After spectroscopic lamp was lighted, control signal was low-voltage, and then the transistor cut-off is that diverter switch disconnects.
Further, described traditional spectroscopic lamp device comprises spectroscopic lamp, carries out thermostatically controlled temperature-adjusting circuit, is used for examining device to the second current-limiting resistance of transistor oscillating circuit power adjustments with for detection of the light of atomic transition for the transistor oscillating circuit of exiting spectrum lamp generation pumping with to spectroscopic lamp.
Further, described oscillating circuit working state control device comprises an operational amplifier, and this operational amplifier is as the voltage comparator output voltage control signal.
Further, described transistor oscillating circuit is connected with described oscillating circuit constant-current controller.
The invention has the advantages that:
The present invention can accurately reflect the spectroscopic lamp operating state, automatically finish the switching of spectroscopic lamp mode of operation, is a kind of low in energy consumption, high-performance rubidium atomic frequency standard spectral lamp device with automatic stabilisation spectroscopic lamp exciting power function.
Description of drawings
Fig. 1: high-performance rubidium atomic frequency standard spectral lamp device structure chart of the present invention.
Fig. 2: oscillating circuit working state control device of the present invention.
Fig. 3: spectroscopic lamp operating state switching switch circuit of the present invention.
Embodiment
Be illustrated in figure 1 as high-performance rubidium atomic frequency standard spectral lamp device structure chart of the present invention.The high-performance spectrum lamp device of Rb atom frequency marking comprises interconnective traditional spectroscopic lamp device A and high-performance spectrum lamp device B, described high-performance optical spectral apparatus B comprises pre-amplification circuit 1, oscillating circuit working state control device 2 and oscillating circuit constant-current controller 3, and described pre-amplification circuit 1 is connected with oscillating circuit constant-current controller 3 by oscillating circuit working state control device 2.Also be provided with the first current-limiting resistance 4 between described oscillating circuit working state control device 2 and the oscillating circuit constant-current controller 3, the oscillating circuit constant-current controller judged the operating state of stable spectra lamp according to the output signal of oscillating circuit working state control device.
Described traditional spectroscopic lamp device A comprises spectroscopic lamp 5, carries out thermostatically controlled temperature-adjusting circuit 7, is used for examining device 9 to the second current-limiting resistance 8 of transistor oscillating circuit power adjustments with for detection of the light of atomic transition for the transistor oscillating circuit 6 of exiting spectrum lamp generation pumping with to spectroscopic lamp.Also be provided with a transistor as diverter switch 10 between described the first current-limiting resistance and the oscillating circuit working state control device, when spectroscopic lamp started, control signal was high voltage, and then transistor turns is that diverter switch is closed; After spectroscopic lamp was lighted, control signal was low-voltage, and then the transistor cut-off is that diverter switch disconnects.
The output of transistor oscillating circuit is used for the exiting spectrum lamp and starts, and its light signal directly acted on light inspection device after the spectrum lamp was lighted.The current signal that pre-amplification circuit is examined device output with light is converted to voltage signal and amplifies output, and this voltage signal is as the judgement signal of oscillating circuit working state control device.Judge signal according to this, K switch is made and being disconnected or closed action, and namely the oscillating circuit mode of operation is switched.The voltage signal of current-limiting resistance up-sampling is as the judgement signal of oscillating circuit constant-current controller, according to the power output of this signal stabilization transistor oscillating circuit, thus stable spectra lamp operating state.
High-performance spectrum lamp device is divided into 2 operating states: starting state and running status.Circuit working is in starting state during start, and the lamp oscillating circuit is worked with larger exciting current I1.At this moment, the front output dc voltage of putting is about V1, puts output dc voltage before after the rubidium lamp is lighted and is about V2.After oscillating circuit working state control device detected front discharge signal and judges that the rubidium lamp has been lighted, the control oscillating circuit entered running status, and electric current is decreased to about I2 and is stabilized in this current value at this moment.
Fig. 2 is oscillating circuit working state control device of the present invention.Oscillating circuit working state control device uses operational amplifier to realize as voltage comparator.Resistance R 3 and the R4 magnitude of voltage after to the voltage reference dividing potential drop is the reference voltage of device as a comparison, and preamplifier is exported the as a comparison input of device.When spectroscopic lamp starts, comparator input voltage＜reference voltage, comparator output control signal is high voltage; After spectroscopic lamp is lighted, comparator input＞reference voltage, comparator output control signal is low-voltage.
Fig. 3 is spectroscopic lamp operating state switching switch circuit of the present invention.Use transistor Q as diverter switch.When spectroscopic lamp started, control signal was high voltage, and then transistor turns is that diverter switch is closed, and resistance R 7 and R8 are connected in parallel on current-limiting resistance 1 two ends as current-limiting resistance 2, are larger exciting current this moment.After spectroscopic lamp was lighted, control signal was low-voltage, and then the transistor cut-off is that diverter switch disconnects, and current-limiting resistance 2 disconnects with circuit, is less exciting current this moment.
Should be appreciated that the above detailed description of technical scheme of the present invention being carried out by preferred embodiment is illustrative and not restrictive.Those of ordinary skill in the art is reading on the basis of specification of the present invention and can make amendment to the technical scheme that each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. the high-performance spectrum lamp device of Rb atom frequency marking, it is characterized in that, this device comprises interconnective traditional spectroscopic lamp device and high-performance spectrum lamp device, described high-performance optical spectral apparatus comprises pre-amplification circuit, oscillating circuit working state control device and oscillating circuit constant-current controller, and described pre-amplification circuit is connected with the oscillating circuit constant-current controller by oscillating circuit working state control device.
2. the high-performance spectrum lamp device of Rb atom frequency marking according to claim 1, it is characterized in that, also be provided with the first current-limiting resistance between described oscillating circuit working state control device and the oscillating circuit constant-current controller, output signal according to oscillating circuit working state control device is judged the oscillating circuit constant-current controller, the operating state of stable spectra lamp.
3. the high-performance spectrum lamp device of Rb atom frequency marking according to claim 2, it is characterized in that, also be provided with a transistor as diverter switch between described the first current-limiting resistance and the oscillating circuit working state control device, when spectroscopic lamp starts, control signal is high voltage, and then transistor turns is that diverter switch is closed; After spectroscopic lamp was lighted, control signal was low-voltage, and then the transistor cut-off is that diverter switch disconnects.
4. the high-performance spectrum lamp device of Rb atom frequency marking according to claim 1, it is characterized in that, described traditional spectroscopic lamp device comprises spectroscopic lamp, carries out thermostatically controlled temperature-adjusting circuit, is used for examining device to the second current-limiting resistance of transistor oscillating circuit power adjustments with for detection of the light of atomic transition for the transistor oscillating circuit of exiting spectrum lamp generation pumping with to spectroscopic lamp.
5. the high-performance spectrum lamp device of Rb atom frequency marking according to claim 1 is characterized in that, described oscillating circuit working state control device comprises an operational amplifier, and this operational amplifier is as the voltage comparator output voltage control signal.
6. the high-performance spectrum lamp device of Rb atom frequency marking according to claim 4 is characterized in that, described transistor oscillating circuit is connected with described oscillating circuit constant-current controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012105706712A CN103025034A (en) | 2012-12-25 | 2012-12-25 | High-performance spectrum lamp device for rubidium atomic frequency standard |
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| CN2012105706712A CN103025034A (en) | 2012-12-25 | 2012-12-25 | High-performance spectrum lamp device for rubidium atomic frequency standard |
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| CN103025034A true CN103025034A (en) | 2013-04-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412592A (en) * | 2018-09-17 | 2019-03-01 | 中国科学院上海天文台 | A kind of ionization source system of hydrogen atomic clock |
| CN110996424A (en) * | 2019-11-25 | 2020-04-10 | 西安空间无线电技术研究所 | Electrodeless spectrum lamp performance optimization device and method based on outfield parameter measurement and control |
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| US3967159A (en) * | 1975-02-03 | 1976-06-29 | Morton B. Leskin | Power supply for a laser or gas discharge lamp |
| CN102159015A (en) * | 2011-02-21 | 2011-08-17 | 江汉大学 | Low-power consumption spectral lamp device of rubidium atomic frequency standard |
| CN102186298A (en) * | 2011-02-21 | 2011-09-14 | 江汉大学 | Improved rubidium atomic frequency standard spectral lamp device |
| CN102291905A (en) * | 2011-04-20 | 2011-12-21 | 中国科学院武汉物理与数学研究所 | High-power starting method and device of rubidium spectral lamp |
| CN202998629U (en) * | 2012-12-25 | 2013-06-12 | 北京无线电计量测试研究所 | High-performance spectroscopic lamp device of rubidium atom frequency marker |
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2012
- 2012-12-25 CN CN2012105706712A patent/CN103025034A/en active Pending
Patent Citations (5)
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| US3967159A (en) * | 1975-02-03 | 1976-06-29 | Morton B. Leskin | Power supply for a laser or gas discharge lamp |
| CN102159015A (en) * | 2011-02-21 | 2011-08-17 | 江汉大学 | Low-power consumption spectral lamp device of rubidium atomic frequency standard |
| CN102186298A (en) * | 2011-02-21 | 2011-09-14 | 江汉大学 | Improved rubidium atomic frequency standard spectral lamp device |
| CN102291905A (en) * | 2011-04-20 | 2011-12-21 | 中国科学院武汉物理与数学研究所 | High-power starting method and device of rubidium spectral lamp |
| CN202998629U (en) * | 2012-12-25 | 2013-06-12 | 北京无线电计量测试研究所 | High-performance spectroscopic lamp device of rubidium atom frequency marker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412592A (en) * | 2018-09-17 | 2019-03-01 | 中国科学院上海天文台 | A kind of ionization source system of hydrogen atomic clock |
| CN110996424A (en) * | 2019-11-25 | 2020-04-10 | 西安空间无线电技术研究所 | Electrodeless spectrum lamp performance optimization device and method based on outfield parameter measurement and control |
| CN110996424B (en) * | 2019-11-25 | 2022-09-27 | 西安空间无线电技术研究所 | Electrodeless spectrum lamp performance optimization device and method based on outfield parameter measurement and control |
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