CN206894978U - hollow cathode lamp power supply - Google Patents
hollow cathode lamp power supply Download PDFInfo
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- CN206894978U CN206894978U CN201720686907.7U CN201720686907U CN206894978U CN 206894978 U CN206894978 U CN 206894978U CN 201720686907 U CN201720686907 U CN 201720686907U CN 206894978 U CN206894978 U CN 206894978U
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- Prior art keywords
- hollow cathode
- cathode lamp
- lamp
- chip microcomputer
- power supply
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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
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Abstract
A kind of hollow cathode lamp power supply, including working power and power control circuit are the utility model is related to, the anode of the working power connects the anode of the hollow cathode lamp, negative terminal connection power control circuit；The negative electrode of the hollow cathode lamp connects the power control circuit；Starting electric source, the anode of the starting electric source connect the anode of the hollow cathode lamp, and negative terminal connects the anode of the working power；The diode being arranged between working power and hollow cathode lamp；Solid-state relay, the solid-state relay are arranged on the path between the starting electric source and hollow cathode lamp；Single-chip microcomputer, the single-chip microcomputer connect the solid-state relay；Field programmable gate array, the field programmable gate array connect the power control circuit.The utility model has the advantages that the automatic starter of hollow cathode lamp, efficiency high, safe and reliable.
Description
Technical field
The utility model is related to atomic spectroscopic analysis field, more particularly to it is a kind of be applied in atomic fluorescence spectrophotometer from
The power supply of dynamic starter element hollow cathode lamp.
Background technology
Atomic fluorescence spectrophotometer is made up of light source, steam generating system, atomization system and the part of detecting system four, hollow
Cathode modulation because its purity is high, not self-priming, stable luminescence, be used as atomic fluorescence spectrophotometer without spectra1 interfer- and the advantages that long lifespan
Light source.Atomic fluorescence spectrophotometer is when carrying out sample detection, it is necessary to measure sample using corresponding element hollow cathode lamp
The heavy metals such as middle arsenic, antimony, mercury, lead, cadmium, wherein mercury element hollow cathode lamp (abbreviation mercury lamp), inside is full of mercury vapour, in temperature
When relatively low or lamp usage time is longer, traditional hollow cathode lamp power supply can not make its normal starter, it is necessary to artificial
Open chassis lid, and using carrying out assistance starting outside foam friction mercury lamp, it is cumbersome, waste time and energy.
Utility model content
In order to solve the deficiency in above-mentioned prior art, the utility model provides a kind of simple in construction, hollow the moon
The hollow cathode lamp power supply of the automatic starter of pole lamp, efficiency high.
The purpose of this utility model is achieved through the following technical solutions：
A kind of hollow cathode lamp power supply, including working power and power control circuit, the power control circuit are tradition
The power control circuit of hollow cathode lamp, the hollow cathode lamp power supply further comprise：
Starting electric source, the anode of the starting electric source connect the anode of the hollow cathode lamp, and negative terminal connects the work
The anode of power supply；The anode of the working power connects the anode of the hollow cathode lamp, negative terminal connection power control circuit；Institute
The negative electrode for stating hollow cathode lamp connects the power control circuit；
Diode, the diode are arranged on the path between the working power and hollow cathode lamp；
Solid-state relay, the solid-state relay are arranged on the path between the starting electric source and hollow cathode lamp；
Single-chip microcomputer, the single-chip microcomputer connect the solid-state relay；
Field programmable gate array, the field programmable gate array connect the power control circuit.
According to above-mentioned hollow cathode lamp power supply, it is preferable that the hollow cathode lamp power supply also includes：
Digital/analog converter, the digital/analog converter connects the power control circuit, hollow for measuring
The lamp current of cathode modulation is simultaneously sent to the single-chip microcomputer；
Analog/digital converter, the analog/digital converter input connection single-chip microcomputer, output end connection described in
Power control circuit.
According to above-mentioned hollow cathode lamp power supply, it is preferable that the hollow cathode lamp is provided with ferroelectric memory, single-chip microcomputer
Obtain the information on the ferroelectric memory and the type to hollow cathode lamp judges：
If it is determined that the hollow cathode lamp is mercury lamp, then single-chip microcomputer controls the solid-state relay conducting, starting electric source work
Make, the starter mercury lamp together with working power；
If it is determined that the hollow cathode lamp is not mercury lamp, then by working power starter hollow cathode lamp.
According to above-mentioned hollow cathode lamp power supply, alternatively, the single-chip microcomputer and digital/analog converter, analog/digital
Connected between converter, hollow cathode lamp by I2C buses.
According to above-mentioned hollow cathode lamp power supply, it is preferable that the single-chip microcomputer connects I2C/IO interface cores through I2C buses
Piece, I2C/IO interface chips connect driving array by I/O port, and the driving array connects the solid-state relay through I/O port.
Compared with prior art, the utility model have the advantage that for：
1st, the utility model realizes the starter of polymorphic type hollow cathode lamp by the setting of starting electric source, solid-state relay,
For mercury lamp without carrying out manual starter again, apparatus structure is simple, efficiency high；
2nd, the utility model reads the storage information on hollow cathode lamp by single-chip microcomputer, realizes the automatic identification of mercury lamp,
And via solid-state relay control starting electric source access circuit, the starter mercury lamp together with working power；Turn simultaneously through analog/digital
Parallel operation control lamp current, digital/analog converter read lamp current and are simultaneously sent to single-chip microcomputer, single-chip microcomputer receive mercury lamp electric current with
When setting electric current consistent, control solid-state relay is disconnected, and starting electric source is removed into circuit, realizes the automatic starter of mercury lamp.
Brief description of the drawings
Fig. 1 is the electrical block diagram of the hollow cathode lamp power supply of the utility model embodiment 1.
Embodiment
Fig. 1 and optional embodiment of the present utility model is following description described to instruct those skilled in the art how real
Apply and reproduce the utility model.In order to instruct technical solutions of the utility model, simplify or eliminate some conventional aspects.Ability
Field technique personnel should be appreciated that modification from these embodiments or replacement will be in the scope of the utility model.This area skill
Art personnel should be appreciated that following characteristics can combine to form multiple modifications of the present utility model in a variety of ways.Thus, this reality
Following embodiments are not limited to new, and are only limited by claim and their equivalent.
Embodiment 1
Fig. 1 schematically illustrates the circuit structure sketch of the hollow cathode lamp power supply of the present embodiment, as shown in figure 1, institute
Stating hollow cathode lamp power supply includes：
Working power, the anode of the working power connect the anode of the hollow cathode lamp, negative terminal connection power supply
Circuit；The negative electrode of the hollow cathode lamp connects the power control circuit；
Starting electric source, the anode of the starting electric source connect the anode of the hollow cathode lamp, and negative terminal connects the work
The anode of power supply；
Diode, the diode are arranged on the path between the working power and hollow cathode lamp；
Solid-state relay, the solid-state relay are arranged on the path between the starting electric source and hollow cathode lamp；
Single-chip microcomputer, the single-chip microcomputer controls the break-make of the solid-state relay, and then controls the work of the starting electric source
State：If hollow cathode lamp is mercury lamp, solid-state relay conducting, starting electric source work；If the non-mercury lamp of hollow cathode lamp, Gu
State relay disconnects, and starting electric source does not work；
Field programmable gate array, the field programmable gate array connects the power control circuit, for controlling sky
The luminous logic of heart cathode modulation.
The power control circuit be conventional hollow cathode modulation power control circuit, power control circuit, single-chip microcomputer and
Field programmable gate array is prior art, and its concrete structure will not be repeated here.
Starting electric source starter together with working power is needed during mercury lamp starting, but working power is only needed after mercury lamp starting
Work is maintained, for the service life protected mercury lamp, extend mercury lamp, therefore：
Further, the hollow cathode lamp power supply also includes：
Digital/analog converter, the digital/analog converter connects the power control circuit, hollow for measuring
The lamp current of cathode modulation is simultaneously sent to the single-chip microcomputer, when lamp current is consistent with the mercury lamp starting electric current set, single-chip microcomputer control
Solid-state relay processed disconnects and then removes starting electric source；
Analog/digital converter, the analog/digital converter connect the power control circuit, described in single-chip microcomputer warp
Analog/digital converter controls the lamp current of hollow cathode lamp.
The above-mentioned starter to mercury lamp and general hollow cathode lamp, need to be it is determined that carry out on the basis of hollow cathode lamp type.
In order to realize the automatic starter of different hollow cathode lamps, simplify operation, therefore：
Further, the hollow cathode lamp is provided with ferroelectric memory, and single-chip microcomputer is obtained on the ferroelectric memory
Information and type to hollow cathode lamp judges：
If it is determined that the hollow cathode lamp is mercury lamp, then single-chip microcomputer controls the solid-state relay conducting, starting electric source work
Make, the starter mercury lamp together with working power；
If it is determined that the hollow cathode lamp is not mercury lamp, then by working power starter hollow cathode lamp.
The workflow of the hollow cathode lamp power supply of the present embodiment is as follows：
1st, electric in start, single-chip microcomputer reads the information of ferroelectric memory on hollow cathode lamp；
2nd, single-chip microcomputer judges hollow cathode lamp type：If hollow cathode lamp is mercury lamp, single-chip microcomputer control the solid-state after
Electrical equipment turns on, if not mercury lamp, then enter in next step；
3rd, field programmable gate array sets lamp logic, analog/digital converter control lamp current；
4th, digital/analog converter reads lamp current and is sent to single-chip microcomputer, and single-chip microcomputer is judged：
If the lamp current read is identical with arranges value, and abovementioned steps are had determined that as mercury lamp, then setting solid-state relay is
Cut-off state, starter is completed, starter is done directly if abovementioned steps are had determined that as non-mercury lamp；
If the lamp current read is different from arranges value, report an error, and abovementioned steps are determined as that mercury lamp then sets solid-state relay
Device is cut-off state, is exited, and is directly exited if abovementioned steps are had determined that as non-mercury lamp.
Advantage of this embodiment is that：Pass through starting electric source, solid-state relay, digital/analog converter, analog/digital
Converter and the information on ferroelectric memory is read, realize the automatic starter of different type hollow cathode lamp, simple to operate,
Efficiently, securely and reliably.
Embodiment 2
The present embodiment is application examples of the hollow cathode lamp power supply in atomic spectroscopic analysis field of the embodiment of the present invention 1.
In the application examples, multiple hollow cathode lamps (such as 4) be arranged on atomic fluorescence spectrophotometer it is multiple excite it is logical
In road, to be adapted to the detection of different heavy metal elements in sample, the hollow cathode lamp includes mercury element hollow cathode lamp (mercury
Lamp) and other hollow cathode lamps, working power is the power supply of hollow cathode lamp energy normal work, starting electric source and working power it
With can cause mercury lamp starting, altogether, digital/analog converter is 2 passages to the negative terminal of the working power and starting electric source
DAC, analog/digital converter are 2 passage ADC；Lead between single-chip microcomputer and 2 passage DAC, 2 passage ADC, multiple hollow cathode lamps
Cross the connection of I2C buses；Single-chip microcomputer connects I2C/IO interface chips through I2C buses, and I2C/IO interface chips are connected by I/O port and driven
Dynamic array, the driving array connects the solid-state relay through I/O port, and then realizes control of the single-chip microcomputer to solid-state relay.
Claims (5)
1. a kind of hollow cathode lamp power supply, including working power and power control circuit, it is characterised in that：The hollow cathode lamp
Power supply further comprises：
Starting electric source, the anode of the starting electric source connect the anode of the hollow cathode lamp, and negative terminal connects the working power
Anode；The anode of the working power connects the anode of the hollow cathode lamp, negative terminal connection power control circuit；The sky
The negative electrode of heart cathode modulation connects the power control circuit；
Diode, the diode are arranged on the path between the working power and hollow cathode lamp；
Solid-state relay, the solid-state relay are arranged on the path between the starting electric source and hollow cathode lamp；
Single-chip microcomputer, the single-chip microcomputer connect the solid-state relay；
Field programmable gate array, the field programmable gate array connect the power control circuit.
2. hollow cathode lamp power supply according to claim 1, it is characterised in that：The hollow cathode lamp power supply also includes：
Digital/analog converter, the digital/analog converter connects the power control circuit, for measuring hollow cathode
The lamp current of lamp is simultaneously sent to the single-chip microcomputer；
Analog/digital converter, the input connection single-chip microcomputer of the analog/digital converter, output end connect the power supply
Control circuit.
3. hollow cathode lamp power supply according to claim 2, it is characterised in that：The hollow cathode lamp is deposited provided with ferroelectricity
Reservoir, single-chip microcomputer obtain the information on the ferroelectric memory and the type of hollow cathode lamp are judged：
If it is determined that the hollow cathode lamp is mercury lamp, then single-chip microcomputer controls the solid-state relay conducting, and starting electric source works, with
Working power starter mercury lamp together；
If it is determined that the hollow cathode lamp is not mercury lamp, then by working power starter hollow cathode lamp.
4. hollow cathode lamp power supply according to claim 2, it is characterised in that：The single-chip microcomputer is changed with digital-to-analog
Connected between device, analog/digital converter, hollow cathode lamp by I2C buses.
5. hollow cathode lamp power supply according to claim 2, it is characterised in that：The single-chip microcomputer connects through I2C buses
I2C/IO interface chips, I2C/IO interface chips connect driving array by I/O port, described in the driving array is connected through I/O port
Solid-state relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720686907.7U CN206894978U (en) | 2017-06-13 | 2017-06-13 | hollow cathode lamp power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720686907.7U CN206894978U (en) | 2017-06-13 | 2017-06-13 | hollow cathode lamp power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206894978U true CN206894978U (en) | 2018-01-16 |
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ID=61318507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720686907.7U Active CN206894978U (en) | 2017-06-13 | 2017-06-13 | hollow cathode lamp power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555623A (en) * | 2020-04-24 | 2020-08-18 | 深圳航天科技创新研究院 | Power converter and power system |
-
2017
- 2017-06-13 CN CN201720686907.7U patent/CN206894978U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555623A (en) * | 2020-04-24 | 2020-08-18 | 深圳航天科技创新研究院 | Power converter and power system |
| CN111555623B (en) * | 2020-04-24 | 2021-08-03 | 深圳航天科技创新研究院 | Power converter and power system |
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