CN205426849U - Laser degrades signal transmitter device that ware triggered mass spectrograph - Google Patents
Laser degrades signal transmitter device that ware triggered mass spectrograph Download PDFInfo
- Publication number
- CN205426849U CN205426849U CN201520781670.1U CN201520781670U CN205426849U CN 205426849 U CN205426849 U CN 205426849U CN 201520781670 U CN201520781670 U CN 201520781670U CN 205426849 U CN205426849 U CN 205426849U
- Authority
- CN
- China
- Prior art keywords
- signal
- interface
- resistance
- unit
- power 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
- 230000001960 triggered effect Effects 0.000 title abstract description 3
- 238000000608 laser ablation Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 7
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 claims description 6
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000001819 mass spectrum Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000155 isotopic effect Effects 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011020 iolite Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model discloses a laser degrades signal transmitter device that ware triggered mass spectrograph, including signal input unit, signal conditioning unit, signal phase modulation and drive reinforcing unit, signal output unit and power supply unit, signal input unit, signal conditioning unit, signal phase modulation and drive reinforcing unit, signal output unit connect gradually, the power supply unit be connected with the signal conditioning unit. The signal output unit be equipped with multichannel signal output interface. The utility model discloses can take care of 2V -30V's direct current pulse signal, the plastic, expand to the 5V's of multiplexed output pulse signal. The input can be less than 60MHz pulse signal by the response frequency, and one way drive load current is 20mA.
Description
Technical field
This utility model relates to a kind of signal transmitting device, and particularly a kind of laser ablation device triggers mass spectrometric signal transmitting device.
Background technology
Laser ablation device produces laser beam, bombards measured matter and form blast in very short time.Produce the aerosol particle of suitable spectrometer analysis.Producing at the same time and trigger signal, mass spectrograph is analyzed test after receiving triggering signal instruction.Owing to the triggering measurement signal of different laser ablation device manufacturer output is inconsistent, and general mass spectrograph is it is desirable that fix the pulse signal of about 5V.Prior art is directly to be interconnected by two signals.This technical scheme is not mated due to signal amplitude, triggers power inadequate, causes mass spectrograph cannot receive triggering and measures signal, it is impossible to triggers more than two mass spectrums simultaneously.Laser and mass spectrum cannot work asynchronously, and more cannot solve a laser ablation device and be combined problem with multiple stage mass spectrograph.
Such as: Yuan et al. describes in article and a laser is simultaneously connected with two mass spectrums carries out constituent content and the example of isotopic analysis respectively.But they and unresolved laser instrument and mass spectrum trigger the problem of linkage, and whole analysis process is manually carried out, and need at least two people to be operated manually simultaneously, analyze process and inconvenience thereof.Chad et al. has invented the software " Iolite " that trace element and isotopic data process, and the maximum characteristic of this software is to realize charting analysis, but be intended to realize charting analysis have to be by the state of laser ablation device and the Data Matching of mass spectral analysis.At present, Paul et al., is successfully realized " PhotoMachines " laser instrument and " NuPlasma " mass spectrograph and " Agilent7700X " mass spectrometric triggering is used in conjunction, and has respectively obtained the analysis result of isotope and element.But, Paul et al. cannot realize a laser instrument and trigger two mass spectrums, so their way is to carry out test analysis, advanced row element analysis at twice, degrades at same position and carries out isotope analysis, analyze process loaded down with trivial details and time-consuming.
Summary of the invention
This utility model purpose is: for deficiency of the prior art, provides one and can solve various lasers and the unmatched problem of mass spectrometric signal amplitude, it is achieved that a laser ablation device triggers combination with multiple stage mass spectrograph.Laser ablation elemental isotope analysis can be triggered automatically carry out, reduce laboratory technician's workload, and the charting of analysis result can be realized.
nullSpecifically，This utility model realizes by the following technical solutions: a kind of laser ablation device triggers mass spectrometric signal transmitting device，Including signal input unit、Signal condition unit、Signal phase modulation and driving enhancement unit、Signal output unit and power supply unit，Described signal input unit is provided with interface J4，Described signal condition unit includes audion Q1、Resistance R1、Resistance R2、Resistance R3，The colelctor electrode of described audion Q1 is connected with one end of resistance R1，The other end of described resistance R1 is connected on power supply unit，The base stage of described audion Q1 is connected with resistance R2，First pin of described interface J4 is connected to resistance R2 and one end of resistance R3，Second pin of described interface J4 is connected on the other end of resistance R3 and the repellel of audion Q1，The repellel ground connection of described audion Q1，Described signal phase modulation and driving enhancement unit include amplifier，The input of described amplifier is connected with the colelctor electrode of audion Q1，Described signal output unit includes primary signal output interface、Bnc interface and DB9 interface，First pin of described primary signal output interface is connected with first pin of interface J4，Described bnc interface is connected with the outfan of amplifier with the first pin of DB9 interface，Described primary signal output interface、Bnc interface and the second pin ground connection of DB9 interface.
Described power supply unit includes dual power supply switching circuit, municipal electric conversion circuit and USB power-supply circuit, described dual power supply switching circuit includes diode D1 and diode D2, the negative pole of described diode D1 and diode D2 is connected with resistance R3, described diode D1 and the positive pole of diode D2 are connected on power supply VCC1 and power supply VCC2, described power supply VCC1 is connected with municipal electric conversion circuit, and described power supply VCC2 and USB power-supply circuit is connected.
Described resistance R1 is 3K Ω, resistance R2 is 3K Ω, resistance R3 is 100K Ω.
Described amplifier has four, and described bnc interface and DB9 interface have two respectively.The beneficial effects of the utility model are as follows: conditioning, shaping, the DC pulse signal of 2V-30V can be expanded to the pulse signal of the 5V of multiple-channel output.Input response frequency can be less than 60MHz pulse signal, and single channel drives load current to be 20mA.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of this utility model method.
Fig. 2 is the structural representation of this utility model embodiment.
Fig. 3 is municipal electric conversion circuit schematic diagram.
Fig. 4 is USB power-supply circuit schematic diagram.
In figure: 1, signal input unit 2, signal condition unit 3, dual power supply switching circuit 4, signal phase modulation and driving enhancement unit 5, signal output unit.
Detailed description of the invention
With reference to the accompanying drawings this utility model is described in further detail.
nullAs shown in Figure 1，A kind of laser ablation device triggers mass spectrometric signal transmitting device，Including signal input unit、Signal condition unit、Signal phase modulation and driving enhancement unit、Signal output unit and power supply unit，As shown in Figure 2，Described signal input unit is provided with interface J4，Described signal condition unit includes audion Q1、Resistance R1、Resistance R2、Resistance R3，The colelctor electrode of described audion Q1 is connected with one end of resistance R1，The other end of described resistance R1 is connected on power supply unit，The base stage of described audion Q1 is connected with resistance R2，First pin of described interface J4 is connected to resistance R2 and one end of resistance R3，Second pin of described interface J4 is connected on the other end of resistance R3 and the repellel of audion Q1，The repellel ground connection of described audion Q1，Described signal phase modulation and driving enhancement unit include amplifier U1-U4，The input of described amplifier is connected with the colelctor electrode of audion Q1，Described signal output unit includes primary signal output interface J1、Bnc interface J2 J3 and DB9 interface J5 J6，Described first pin of primary signal output interface J1 is connected with first pin of interface J4，Described bnc interface J2 J3 with DB9 interface J5 first pin of J6 be connected with the outfan of amplifier，Described primary signal output interface J1、Bnc interface J2 J3 and DB9 interface J5 the second pin ground connection of J6.Described resistance R1 is 3K Ω, resistance R2 is 3K Ω, resistance R3 is 100K Ω.
Described power supply unit includes dual power supply switching circuit, municipal electric conversion circuit and USB power-supply circuit, described dual power supply switching circuit includes diode D1 and diode D2, the negative pole of described diode D1 and diode D2 is connected with resistance R3, described diode D1 and the positive pole of diode D2 are connected on power supply VCC1 and power supply VCC2, described power supply VCC1 is connected with municipal electric conversion circuit, and described power supply VCC2 and USB power-supply circuit is connected.As it is shown on figure 3, civil power can be converted to DC5V by municipal electric conversion circuit, wherein electric capacity C2 is 40.1UF, and electric capacity C3 is 0.1UF.As shown in Figure 4, USB power-supply circuit, wherein electric capacity C1 is 0.1UF.
Initial triggering signal shaping is transformed to the output signal that five tunnels are relatively independent by this utility model.One tunnel primary signal, two-way bnc interface signal and two-way DB9 interface signal.Solve signal mismatch problem, increase signal driving force, achieve the mass spectrometer of the compatible many companies of interface multiple typesization.Triggering signal after the shaping of this device converts, according to measuring needs, can trigger multiple stage mass spectrograph simultaneously and measure.Civil power and USB is taked to power automatic adaptable measure.In the presence of civil power and USB power simultaneously, mains-supplied is preferential.
Although this utility model is open as above with preferred embodiment, but embodiment is not of the present utility model for limiting.Without departing from the spirit and scope of this utility model, any equivalence done changes or retouching, also belongs to the protection domain of this utility model.The content that protection domain the most of the present utility model should be defined with claims hereof is as standard.
Claims (4)
- null1. a laser ablation device triggers mass spectrometric signal transmitting device，Including signal input unit、Signal condition unit、Signal phase modulation and driving enhancement unit、Signal output unit and power supply unit，It is characterized in that described signal input unit is provided with interface J4，Described signal condition unit includes audion Q1、Resistance R1、Resistance R2、Resistance R3，The colelctor electrode of described audion Q1 is connected with one end of resistance R1，The other end of described resistance R1 is connected on power supply unit，The base stage of described audion Q1 is connected with resistance R2，First pin of described interface J4 is connected to resistance R2 and one end of resistance R3，Second pin of described interface J4 is connected on the other end of resistance R3 and the repellel of audion Q1，The repellel ground connection of described audion Q1，Described signal phase modulation and driving enhancement unit include amplifier，The input of described amplifier is connected with the colelctor electrode of audion Q1，Described signal output unit includes primary signal output interface、Bnc interface and DB9 interface，First pin of described primary signal output interface is connected with first pin of interface J4，Described bnc interface is connected with the outfan of amplifier with the first pin of DB9 interface，Described primary signal output interface、Bnc interface and the second pin ground connection of DB9 interface.
- A kind of laser ablation device the most according to claim 1 triggers mass spectrometric signal transmitting device, it is characterized in that described power supply unit includes dual power supply switching circuit, municipal electric conversion circuit and USB power-supply circuit, described dual power supply switching circuit includes diode D1 and diode D2, the negative pole of described diode D1 and diode D2 is connected with resistance R3, described diode D1 and the positive pole of diode D2 are connected on power supply VCC1 and power supply VCC2, described power supply VCC1 is connected with municipal electric conversion circuit, described power supply VCC2 and USB power-supply circuit is connected.
- A kind of laser ablation device the most according to claim 1 and 2 triggers mass spectrometric signal transmitting device, it is characterised in that described resistance R1 is 3K Ω, resistance R2 is 3K Ω, resistance R3 is 100K Ω.
- A kind of laser ablation device the most according to claim 1 and 2 triggers mass spectrometric signal transmitting device, it is characterised in that described amplifier has four, and described bnc interface and DB9 interface have two respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781670.1U CN205426849U (en) | 2015-10-10 | 2015-10-10 | Laser degrades signal transmitter device that ware triggered mass spectrograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781670.1U CN205426849U (en) | 2015-10-10 | 2015-10-10 | Laser degrades signal transmitter device that ware triggered mass spectrograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205426849U true CN205426849U (en) | 2016-08-03 |
Family
ID=56517702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520781670.1U Expired - Fee Related CN205426849U (en) | 2015-10-10 | 2015-10-10 | Laser degrades signal transmitter device that ware triggered mass spectrograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205426849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579631A (en) * | 2020-06-11 | 2020-08-25 | 中国地质大学（武汉） | Interface conversion circuit of plasma mass spectrometer driven by laser ablation system |
-
2015
- 2015-10-10 CN CN201520781670.1U patent/CN205426849U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579631A (en) * | 2020-06-11 | 2020-08-25 | 中国地质大学（武汉） | Interface conversion circuit of plasma mass spectrometer driven by laser ablation system |
| CN111579631B (en) * | 2020-06-11 | 2021-04-27 | 中国地质大学（武汉） | Interface conversion circuit of plasma mass spectrometer driven by laser ablation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105116317B (en) | Integrated circuit test system and method | |
| CN105547139B (en) | A kind of wireless strain measuring system based on Wi-Fi | |
| CN107329163A (en) | A kind of multichannel pulse size analyzer | |
| CN205426849U (en) | Laser degrades signal transmitter device that ware triggered mass spectrograph | |
| CN102062849A (en) | Calibrating device and method for DC electric energy meter | |
| CN202453423U (en) | Scanning test device for impedance spectra of portable battery | |
| CN202815125U (en) | State monitoring device for power transformer | |
| CN207074250U (en) | A kind of OS test systems and device | |
| CN201130428Y (en) | Optic fiber gyroscope data acquisition model based on FPGA | |
| CN204086983U (en) | A kind of PLC product automatic testing equipment | |
| CN104316892A (en) | Transformer load box calibration device | |
| CN101587143A (en) | CT charge on-line detection device and detection method | |
| CN205982612U (en) | On --spot parameter record appearance of electric energy meter | |
| CN203479903U (en) | Universal spectrum analyzer tracking source system | |
| CN202663362U (en) | Preamplifier for rapid spot size measurement | |
| CN201637838U (en) | Radar power-supply testing system based on GPIB interface control | |
| CN102081152A (en) | Calibration device and method for out-of-band accessory direct-current electric energy meter | |
| CN201689141U (en) | Integrated testing instrument for transformer | |
| CN203929886U (en) | A kind of portable frequency spectrum analytical equipment | |
| CN204302410U (en) | The automatic measuring and analysing meter of a kind of intelligent wave shape parameter | |
| CN202406292U (en) | Reliability testing system for piezoelectric ceramic loudspeaker | |
| CN209231782U (en) | A kind of multi-channel portable test device for servo-system | |
| CN206074674U (en) | A kind of voltage sample circuit | |
| CN204119212U (en) | A kind of high speed can set the high-precision A/D sampling of resolution | |
| CN205986895U (en) | Intermediate frequency receiver special test platform |
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: 20160803 Termination date: 20171010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |