CN202486770U - Computer interface system for automatic measurement of isotope mass spectrometer - Google Patents
Computer interface system for automatic measurement of isotope mass spectrometer Download PDFInfo
- Publication number
- CN202486770U CN202486770U CN2011205669409U CN201120566940U CN202486770U CN 202486770 U CN202486770 U CN 202486770U CN 2011205669409 U CN2011205669409 U CN 2011205669409U CN 201120566940 U CN201120566940 U CN 201120566940U CN 202486770 U CN202486770 U CN 202486770U
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- mass spectrometer
- interface system
- computer interface
- isotope mass
- data
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Abstract
The utility model belongs to the automatic measurement technologies of isotope mass spectrometers and particularly discloses a computer interface system for automatic measurement of an isotope mass spectrometer. The computer interface system comprises a terminal plate which is provided with an input terminal, two output terminals and a data exchange terminal, wherein the isotope mass spectrometer is connected to the input terminal, the two output terminals of the terminal plate are respectively connected with a DA (Digital-to-Analog) output module and a relay control board, the relay control board is connected with a valve, a data acquisition card is connected to the data exchange terminal of the terminal plate, and the data acquisition card is connected with an interface module. Three functions of mass spectrometer signal reception, DA output of analog voltage control signals and constant-current power output are integrated through the terminal plate, and meanwhile, high-linearity analog signal conversion input acquisition and high-linear analog voltage signal output between the data acquisition card and the terminal plate are realized by using the data acquisition card, so that a novel computer interface system is formed. The computer interface system can meet the requirements of the isotope mass spectrometer on data measurement and control and simultaneously has the advantages of high accuracy, good linearity, wide linear range and multiple data channels.
Description
Technical field
The utility model belongs to the isotope mass spectrometer automatic measurement technology, is specifically related to a kind of isotopic abundance that is used for and analyzes the automatic metering computer interface system of mass spectrograph.
Background technology
Most of employed automatic measurement of gas isotope mass spectrograph and control system are mainly by VFC interface module, frequency collection and DO output card, relay control panel, relay board and five partly integrated compositions of TT&C software.Because the part of data acquisition of this integrated system adopts the VFC interface module to add the frequency collection mode card, the range of linearity is little when carrying out the VF conversion, to measured signal the coherence request of size high (like MAT-281 type mass spectrograph); TT&C system software generally uses the DOS operating platform, and operating system and software language fall behind, and can not make amendment, and software interface is unfriendly, and operation is very inconvenient, and data analysing method that some are new and data processing means all can't be realized; IO channel is few, is difficult to satisfy novel mass spectrograph data TT&C requirement.Therefore need a kind of computer interface system that can be associated with computer measurement and control software, overcome above-mentioned shortcoming simultaneously.
Summary of the invention
The purpose of the utility model is to provide a kind of precision height, good linearity, wide, the data channel automatic metering computer interface system of isotope mass spectrometer how of the range of linearity.
The technical scheme of the utility model is following:
The automatic metering computer interface system of a kind of isotope mass spectrometer, it comprises terminal strip, this terminal strip is provided with an input end; Two output terminals, and a data exchange end connect mass spectrograph at input end; Two output terminals of terminal strip connect DA output module and relay control panel respectively; Described relay control panel connects valve, and at the exchanges data end connection data collecting card of terminal strip, this data collecting card is connected with interface module.
In the automatic metering computer interface system of above-mentioned isotope mass spectrometer: described terminal strip adopts the SCB-68 type.
In the automatic metering computer interface system of above-mentioned isotope mass spectrometer: described relay control panel adopts the PCLD-785B/12 type.
In the automatic metering computer interface system of above-mentioned isotope mass spectrometer: described data collecting card adopts the NI-PCI-6289 type.
The beneficial effect of the utility model is: through terminal strip integrated the mass spectrograph signal receive, aanalogvoltage control signal DA output and three functions of constant-current supply output; Utilize data collecting card to realize the input collection and the output of high linear analogue voltage signal of high linear analogue conversion of signals between itself and the terminal strip simultaneously, formed a kind of novel computer interface system.It not only can satisfy mass spectrograph data TT&C requirement, simultaneously precision height, good linearity, the range of linearity is wide, data channel is many.
Description of drawings
The automatic metering computer interface system of the isotope mass spectrometer synoptic diagram that Fig. 1 provides for the utility model;
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further explain.
As shown in Figure 1, terminal strip is provided with an input end, and two output terminals, and a data exchange end connect mass spectrograph at input end, makes terminal strip receive the simulating signal that mass spectrograph sends.Two output terminals of terminal strip connect DA output module and relay control panel respectively; Carry out aanalogvoltage control signal DA output and constant-current supply output; The constant-current supply output terminal connects the relay control panel; The relay control panel connects valve, is control signal through controlling constant-current supply output signal transition, and then the switching of by-pass valve control.
The exchanges data end of above-mentioned terminal strip connects data collecting card, and this data collecting card is connected with interface module, realizes the mutual of signal.Data collecting card has 68 ports, is used for input collection and 16 high linear analogue voltage signal outputs of 2 passages to 24 way switch (valve) control, 24 high linear analogue conversion of signals of 8 passages.Data collecting card is accomplished functions such as AD, DA conversion, control, data acquisition through interface module control.
In the present embodiment, terminal strip adopts the SCB-68 model, is used to receive the mass spectrograph signal, and to relay control panel output control signal, also exports the aanalogvoltage control signal simultaneously.
The relay control panel adopts the PCLD-785B/12 model, is used for the control electromagnetic valve action, controls the operated pneumatic valve action then.
Data collecting card adopts NI-PCI-6289 type high-accuracy data collection card, is used for computing machine and data-signal communication, realizes data acquisition and control.
Interface module is converted into simulating signal with digital signal by the DA passage of data collecting card through output data instruction.Simultaneously, interface module is converted into level logic signal with digital signal by the DO passage of data collecting card through output data instruction.
Claims (4)
1. automatic metering computer interface system of isotope mass spectrometer, it is characterized in that: it comprises terminal strip, this terminal strip is provided with an input end; Two output terminals, and a data exchange end connect mass spectrograph at input end; Two output terminals of terminal strip connect DA output module and relay control panel respectively; Described relay control panel connects valve, and at the exchanges data end connection data collecting card of terminal strip, this data collecting card is connected with interface module.
2. the automatic metering computer interface system of isotope mass spectrometer as claimed in claim 1 is characterized in that: described terminal strip adopts the SCB-68 type.
3. the automatic metering computer interface system of isotope mass spectrometer as claimed in claim 1 is characterized in that: described relay control panel adopts the PCLD-785B/12 type.
4. the automatic metering computer interface system of isotope mass spectrometer as claimed in claim 1 is characterized in that: described data collecting card adopts the NI-PCI-6289 type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205669409U CN202486770U (en) | 2011-12-30 | 2011-12-30 | Computer interface system for automatic measurement of isotope mass spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205669409U CN202486770U (en) | 2011-12-30 | 2011-12-30 | Computer interface system for automatic measurement of isotope mass spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202486770U true CN202486770U (en) | 2012-10-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205669409U Expired - Lifetime CN202486770U (en) | 2011-12-30 | 2011-12-30 | Computer interface system for automatic measurement of isotope mass spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202486770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200864A (en) * | 2021-12-04 | 2022-03-18 | 广州禾信仪器股份有限公司 | Mass spectrometer and control system thereof |
-
2011
- 2011-12-30 CN CN2011205669409U patent/CN202486770U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200864A (en) * | 2021-12-04 | 2022-03-18 | 广州禾信仪器股份有限公司 | Mass spectrometer and control system thereof |
| CN114200864B (en) * | 2021-12-04 | 2024-03-26 | 广州禾信仪器股份有限公司 | Mass spectrometer and control system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |