CN204305449U - A kind of analysis power supply and breeze analytical equipment - Google Patents
A kind of analysis power supply and breeze analytical equipment Download PDFInfo
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- CN204305449U CN204305449U CN201420693317.3U CN201420693317U CN204305449U CN 204305449 U CN204305449 U CN 204305449U CN 201420693317 U CN201420693317 U CN 201420693317U CN 204305449 U CN204305449 U CN 204305449U
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- power supply
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Abstract
The utility model relates to a kind of analysis power supply and breeze analytical equipment, and comprising: power supply, described power supply provides electric current to magnetic resistance; Magnetic resistance, described magnetic resistance has output terminal; Magnetic resistance drives, the inductance of magnetic resistance described in described magnetic resistance drived control; Pulse producer, described pulse producer exports high-voltage pulse; Digital signal processor, described in described DSP CONTROL, power supply, magnetic resistance drive and pulse producer work.The invention also discloses a kind of breeze analytical equipment and method.The advantages such as the utility model has reliability, stability, repeatability is high, controlled range is wide.
Description
Technical field
The utility model relates to a kind of analysis power supply and analytical equipment, and especially a kind of high powered plasma analyzes power supply and breeze analytical equipment.
Background technology
Carry out high-precision spectral analysis to mineral, have two kinds of instruments at present on the market, a kind of is ICP-OES or ICP-MS adopting chemical analysis method, and one is by Ionized for breeze direct-reading capacitance meter.
Wherein, adopt ICP-OES or ICP-MS of chemical analysis method, a series of pretreatment process such as need to sample to solid mineral sample, clear up, mineral samplers is changed into the sample morphology that can detect for ICP-OES or ICP-MS, this method can realize mineral and detect, but its sample preparation time is long, and, be only applicable to acidulous material, inapplicable alkaline matter; Meanwhile, not high to the detectability of some element, restricted to detected object, the occasion that the sample ore breeze that can not meet on-the-spot mining and complexity is quick and precisely analyzed.
And direct-reading capacitance meter, without the need to carrying out pre-treatment to sample, can to carry out fast mineral, directly high precision spectral analysis.The course of work of direct-reading capacitance meter is as follows: first carry out uniform plasma to sample, because most of mineral are not conductors, directly cannot carry out electric treatment, need to intensify sample with high pressure, add suitable big current simultaneously, in the regular hour, sample changes into plasma, under suitable and stable plasma, will produce electronic transition, different materials will launch the characteristic spectral line of different wave length, and intensity and its content of the characteristic spectrum of launching are proportional.
In this analytical approach, high pressure and the performance of the plasma power supply of controlled big current directly can affect final analysis result.
Prior art general Industrial Frequency Transformer is isolated civil power, utilizes SCR control electric current, utilizes series capacitance and inductance, produces high pressure, act on breeze, make breeze plasma by tongue tube high-voltage relay break-make.
Though the preliminary Realization analysis of this method energy, has following shortcoming:
1, poor stability
Due to employing is the supply that silicon controlled afterflow characteristic realizes big current, under outside mains-supplied impact, is difficult to the stable supply ensureing high voltage and big current;
2, Based Intelligent Control cannot be realized
The Intelligent fine that cannot realize the big current that controllable silicon provides controls, and makes mineral samplers to reach optimal plasma;
3, at the bottom of bulky, efficiency
Controllable silicon and Energy control is bulky, weight is high, detection efficiency is low;
4, reliability and safety is poor
Mechanical switch in high-voltage relay easily produces damage, causes contact bonding, makes the reliability and safety of analytical instrument poor;
Adopt high-voltage diode series connection to reach high pressure, cost is high, and be subject to high pressure simultaneously and partly lead device restriction, its reverse recovery time is long, and energy loss is large.
5, current work scope is restricted
Current work scope is restricted, and on the one hand, be the restriction by devices such as high-voltage relays, electric current can only be operated in below 20A; On the other hand, the working current of high-voltage diode need within 30A.
To sum up, existing breeze analyser in the market, do not meet instrument high-precision, dexterous, stablize trend easy to use.
Utility model content
In order to solve above-mentioned deficiency of the prior art, the utility model provides a kind of high reliability, low cost, high performance, flexible configuration are applicable to the high powered plasma that all kinds breeze analyzes and analyze power supply, is convenient to be integrated in breeze analyser.
A kind of analysis power supply, comprising:
Power supply, described power supply provides electric current to magnetic resistance;
Magnetic resistance, described magnetic resistance has output terminal;
Magnetic resistance drives, the inductance of magnetic resistance described in described magnetic resistance drived control;
Pulse producer, described pulse producer exports high-voltage pulse;
Digital signal processor, described in described DSP CONTROL, power supply, magnetic resistance drive and pulse producer work.
Further, described digital signal processor drives and pulse producer according to following sequential control power supply, magnetic resistance:
Control power supply exports;
Control magnetic resistance drives, and makes magnetic resistance saturated;
Clamp-pulse generator, makes pulse producer no-output;
Control power-off;
Control magnetic resistance drives, and magnetic resistance is resetted;
Clamp-pulse generator, makes pulse producer export high-voltage pulse, returns power supply and exports.
As preferably, described power supply is that plasma analyzes power supply.
Further, described power supply is digital power.
Further, the range of current output of described digital power is 0 ~ 200A.
The utility model additionally provides a kind of breeze analytical equipment, comprise analysis power supply, excite unit and detector, the output terminal of described analysis power supply is connected with exciting unit, described analysis power supply output high-voltage pulse and big current are applied to and excite on unit, make to excite the breeze element in unit to send spectrum; Described detector receives and excites the spectrum of unit and analyze spectrum.
Further, described analysis power supply be plasma analyze power supply, described in excite unit to be excitation of plasma unit.
Further, described analysis power supply is above-mentioned arbitrary described analysis power supply.
The utility model compared with prior art has following beneficial effect:
Switch without the need to high-pressure machinery, also without the need to a large amount of genotron, produce high pressure and intensify pulse.Make that complete machine fast response time, efficiency are high, high pressure switches and reach Microsecond grade, realize precisely controlling.
Intelligence degree is high, conformability, can produce and produce electric arc and spark simultaneously, and can hocket, and can numeral configuration electric arc and spark plasma curve.
Reliability, stability, repeatability is high, controlled range is wide.
Accompanying drawing explanation
Fig. 1 is the breeze analytical equipment structural representation in embodiment 2;
Fig. 2 is that power supply and magnetic resistance high pressure switch Control timing sequence schematic diagram;
Fig. 3 is power supply and magnetic resistance high pressure switching flow schematic diagram.
Embodiment
Embodiment 1
A kind of analysis power supply, comprising:
Power supply, described power supply provides electric current to magnetic resistance;
Magnetic resistance, described magnetic resistance has output terminal;
Magnetic resistance drives, the inductance of magnetic resistance described in described magnetic resistance drived control;
Pulse producer, described pulse producer exports high-voltage pulse;
Digital signal processor, described in described DSP CONTROL, power supply, magnetic resistance drive and pulse producer work.
Described power supply can export big current, provides arc energy to subsequent device.
As preferably, described power supply is plasma power supply.
As preferably, described power supply is digital power.
Digital power can for carry out multiplex pulse output according to certain combination frequency, as long as when having pulse to export, power supply exports and is height, is equivalent to powered-down when not having pulse to export, and now power supply exports be low.
Further, the range of current output of described digital power is 0 ~ 200A.
Described power supply can export electric current on a large scale, the process that its electric current exports is as follows: 220 or the civil power of 110VAC input to power supply, be divided into two-way at power source internal, wherein a road is to accessory power supply, produce various auxiliary electricity needed for complete machine, another road through EMI rectifying and wave-filtering to PFC power circuitry module; PFC power circuitry module, under the control of described digital signal processor, changes into fixing 380V high direct voltage supply high power module power supply input, makes the power factor (PF) of power supply reach more than 99%; High power module produces various drive waveforms, through the high-power bridge-type resonant circuit of isolation drive, produces 0-200A, continues duration 0-2min adjustable, and dynamically can establish output high powered plasma electric current at any time;
Further, described digital signal processor drives and pulse producer according to following sequential control power supply, magnetic resistance:
Control power supply exports;
Control magnetic resistance drives, and makes magnetic resistance saturated;
Clamp-pulse generator, makes pulse producer no-output;
Control power-off;
Control magnetic resistance drives, and magnetic resistance is resetted;
Clamp-pulse generator, makes pulse producer export high-voltage pulse, returns power supply and exports.
When power supply exports high powered plasma electric current, DSP CONTROL magnetic resistance drives, and make magnetic resistance inductance close to 0, namely magnetic resistance is saturated; Now, DSP CONTROL pulse producer, makes pulse producer no-output;
When power-off, DSP CONTROL magnetic resistance drives, and makes magnetic resistance inductance reach more than 2H, produces the induction reactance in more than 10M Europe, even if magnetic resistance resets; Now, DSP CONTROL pulse producer, makes pulse producer export high-voltage pulse, then returns power supply output big current.When power-off, the high impedance that magnetic resistance produces, the high-voltage pulse that pulse producer is exported does not return power supply again by magnetic resistance.
As long as digital signal processor can realize above-mentioned controlling functions, be that particular circuit configurations or software module are without restriction to it;
Digital signal processor also comprises the control of air-cooled, water-cooled and environmental correclation, and to ensure stability and the reliability of power supply, this is the state of the art, does not repeat them here.
Above-mentioned analysis power supply can export big current and high-voltage pulse, can be applied in breeze analytical equipment.
The utility model additionally provides a kind of breeze analytical equipment, comprise analysis power supply, excite unit and detector, the output terminal of described analysis power supply is connected with exciting unit, described analysis power supply output high-voltage pulse and big current are applied to and excite on unit, make to excite the breeze element in unit to send spectrum; Described detector receives and excites the spectrum of unit and analyze spectrum.
After high-voltage pulse exports, be applied on the breeze that excites in unit, make it ionize, high-voltage pulse, for export instantaneously, namely becomes no-output after output, and power supply exports big current, magnetic resistance is saturated, can be applied on breeze by big current, breeze is melted and plasma, the generation characteristic spectrum relevant to breeze element is detected device and receives and analyze.
Further, described analysis power supply is the analysis power supply described in the present embodiment.
Further, described power supply be plasma analyze power supply, described in excite unit to be excitation of plasma unit.
The use procedure of the breeze analytical equipment of the present embodiment is as follows:
A, analysis power supply output high-voltage pulse and big current are applied to and excite on unit, make to excite the breeze element in unit to send spectrum;
B, detector receive and excite the spectrum of unit and analyze spectrum.
Further, in step, high-voltage pulse and High-current output switching time is set as required.
The utility model compared with prior art has following beneficial effect:
Switch without the need to high-pressure machinery, also without the need to a large amount of genotron, produce high pressure and intensify pulse.Make that complete machine fast response time, efficiency are high, high pressure switches and reach Microsecond grade, realize precisely controlling.
Intelligence degree is high, conformability, can produce and produce electric arc and spark simultaneously, and can hocket, and can numeral configuration electric arc and spark plasma curve.
Reliability, stability, repeatability is high, controlled range is wide.
Embodiment 2
The present embodiment is the application examples of embodiment 1.
Present embodiments provide a kind of analysis power supply, be applied in breeze analysis.
Refer to Fig. 1, a kind of high powered plasma analyzes power supply, comprising:
Power supply 1, described power supply 1 is plasma analysis power supply, and described power supply 1 is connected with digital signal processor 3 with magnetic resistance 2;
Magnetic resistance 2 and magnetic resistance drive 4, and described magnetic resistance drives 4 to be connected with digital signal processor 3 with described magnetic resistance 2;
Pulse producer 5, described pulse producer 5 is connected with described digital signal processor 3, and the output terminal of described pulse producer 5 is connected with the output terminal of described magnetic resistance 2 and analyzes total output terminal 10 of power supply as high powered plasma;
Digital signal processor 3, described digital signal processor 3 controls described power supply 1 and provides electric current to described magnetic resistance 2, controls the inductance that described magnetic resistance drives and then controls magnetic resistance, controls described pulse producer and exports high-voltage pulse.
Described power supply 1 is digital power, and the range of current output of described power supply 1 is 0 ~ 200A.
Described power supply 1 can export electric current on a large scale, the process that its electric current exports is as follows: 220 or the civil power of 110VAC input to power supply, be divided into two-way at power source internal, wherein a road is to accessory power supply, produce various auxiliary electricity needed for complete machine, another road through EMI rectifying and wave-filtering to PFC power circuitry module; PFC power circuitry module, under the control of described digital signal processor, changes into fixing 380V high direct voltage supply high power module power supply input, makes the power factor (PF) of power supply reach more than 99%; High power module produces various drive waveforms, through the high-power bridge-type resonant circuit of isolation drive, produces 0-200A, continues duration 0-2min adjustable, and dynamically can establish output high powered plasma electric current at any time;
Refer to Fig. 2, Fig. 3, setting high-voltage pulse and High-current output switching time, the digital signal processor of the present embodiment drives and pulse producer according to following sequential control power supply, magnetic resistance:
Control power supply exports;
Control magnetic resistance drives, and makes magnetic resistance saturated;
Clamp-pulse generator, makes pulse producer no-output;
Control power-off;
Control magnetic resistance drives, and magnetic resistance is resetted;
Clamp-pulse generator, makes pulse producer export high-voltage pulse, returns power supply and exports.
The time that sends from power-off to high-voltage pulse is greater than 2uS; Magnetic resistance resets to high-voltage pulse and sends the time and be greater than 1uS, and the pulse width of high-voltage pulse is less than 0.5uS, and out-put supply immediately after completing, reluctance switch transfers state of saturation to simultaneously, completes and once excites, that is:
When power supply exports high powered plasma electric current, DSP CONTROL magnetic resistance drives, and make magnetic resistance inductance close to 0, namely magnetic resistance is saturated; Now, DSP CONTROL pulse producer, makes pulse producer no-output;
When power-off, DSP CONTROL magnetic resistance drives, and makes magnetic resistance inductance reach more than 2H, produces the induction reactance in more than 10M Europe, even if magnetic resistance resets; Now, DSP CONTROL pulse producer, makes pulse producer export high-voltage pulse, then returns power supply output big current.When power-off, the high impedance that magnetic resistance produces, the high-voltage pulse that pulse producer is exported does not return power supply again by magnetic resistance.
Refer to Fig. 1, the present embodiment additionally provides a kind of breeze analytical equipment, comprise plasma and analyze power supply, excitation of plasma unit 6 and detector (not marking in the drawings), the output terminal that described plasma analyzes power supply is connected with excitation of plasma unit 6, described plasma analyzes power supply output high-voltage pulse and big current is applied on excitation of plasma unit 6, makes the breeze element in excitation of plasma unit 6 send spectrum; Described detector receives the spectrum of excitation of plasma unit and analyzes spectrum.
After high-voltage pulse exports, be applied on the breeze in excitation of plasma unit, make it ionize, high-voltage pulse, for export instantaneously, namely becomes no-output after output, and power supply exports big current, magnetic resistance is saturated, can be applied on breeze by big current, breeze is melted and plasma, the generation characteristic spectrum relevant to breeze element is detected device and receives and analyze.
Further, described plasma analyzes power supply for the high powered plasma analysis power supply described in the present embodiment.
The course of work of the breeze analytical equipment of the present embodiment is as follows:
A, plasma analyze power supply output high-voltage pulse and big current is applied on excitation of plasma unit, make the breeze element in excitation of plasma unit send spectrum;
B, detector receive the spectrum of excitation of plasma unit and analyze spectrum.
Further, in step, high-voltage pulse and High-current output switching time is set.Set as required
The utility model compared with prior art has following beneficial effect:
Switch without the need to high-pressure machinery, also without the need to a large amount of genotron, produce high pressure and intensify pulse.Make that complete machine fast response time, efficiency are high, high pressure switches and reach Microsecond grade, realize precisely controlling.
Intelligence degree is high, conformability, can produce and produce electric arc and spark simultaneously, and can hocket, and can numeral configuration electric arc and spark plasma curve.
Reliability, stability, repeatability is high, controlled range is wide.
Above-mentioned embodiment should not be construed as the restriction to the utility model protection domain.Key of the present utility model is: analyze power supply and timesharing can export high-voltage pulse and big current.When not departing from the utility model spirit, all should fall within protection domain of the present utility model any type of change that the utility model is made.
Claims (6)
1. analyze a power supply, comprising:
Power supply, described power supply provides electric current to magnetic resistance;
Magnetic resistance, described magnetic resistance has output terminal;
Magnetic resistance drives, the inductance of magnetic resistance described in described magnetic resistance drived control;
Pulse producer, described pulse producer exports high-voltage pulse;
Digital signal processor, described in described DSP CONTROL, power supply, magnetic resistance drive and pulse producer work.
2. analysis power supply according to claim 1, is characterized in that: described digital signal processor drives and pulse producer according to following sequential control power supply, magnetic resistance:
Control power supply exports;
Control magnetic resistance drives, and makes magnetic resistance saturated;
Clamp-pulse generator, makes pulse producer no-output;
Control power-off;
Control magnetic resistance drives, and magnetic resistance is resetted;
Clamp-pulse generator, makes pulse producer export high-voltage pulse, returns power supply and exports.
3. analysis power supply according to claim 1, is characterized in that: described power supply is digital power.
4. analysis power supply according to claim 3, is characterized in that: the range of current output of described digital power is 0 ~ 200A.
5. a breeze analytical equipment, comprise analysis power supply, excite unit and detector, the output terminal of described analysis power supply is connected with exciting unit, and described analysis power supply exports high-voltage pulse and big current is applied on excitation of plasma unit, makes to excite the breeze element in unit to send spectrum; Described detector receives and excites the spectrum of unit and analyze spectrum.
6. breeze analytical equipment according to claim 5, is characterized in that: described analysis power supply is the arbitrary described analysis power supply of Claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693317.3U CN204305449U (en) | 2014-11-18 | 2014-11-18 | A kind of analysis power supply and breeze analytical equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693317.3U CN204305449U (en) | 2014-11-18 | 2014-11-18 | A kind of analysis power supply and breeze analytical equipment |
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| Publication Number | Publication Date |
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| CN204305449U true CN204305449U (en) | 2015-04-29 |
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| CN201420693317.3U Withdrawn - After Issue CN204305449U (en) | 2014-11-18 | 2014-11-18 | A kind of analysis power supply and breeze analytical equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104363689A (en) * | 2014-11-18 | 2015-02-18 | 聚光科技(杭州)股份有限公司 | Analysis power source and mineral powder analysis device and method |
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2014
- 2014-11-18 CN CN201420693317.3U patent/CN204305449U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104363689A (en) * | 2014-11-18 | 2015-02-18 | 聚光科技(杭州)股份有限公司 | Analysis power source and mineral powder analysis device and method |
| CN104363689B (en) * | 2014-11-18 | 2017-02-08 | 聚光科技(杭州)股份有限公司 | Analysis power source and mineral powder analysis device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20161019 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |