CN214225716U - Measuring and controlling device for thermal ionization mass spectrometer - Google Patents
Measuring and controlling device for thermal ionization mass spectrometer Download PDFInfo
- Publication number
- CN214225716U CN214225716U CN202023280552.2U CN202023280552U CN214225716U CN 214225716 U CN214225716 U CN 214225716U CN 202023280552 U CN202023280552 U CN 202023280552U CN 214225716 U CN214225716 U CN 214225716U
- Authority
- CN
- China
- Prior art keywords
- module
- voltage
- control module
- measurement
- output module
- 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.)
- Active
Links
Images
Abstract
The utility model belongs to the technical field of thermal ionization mass spectrometer observes and controls, concretely relates to thermal ionization mass spectrometer measurement and control device, including cRIO controller, voltage output module, digital output module, motion control module, little current amplifier, high-voltage control module, filament current control module, relay switch, step motor and a plurality of voltage input module. The utility model can improve the independence and flexibility of different measurement control modules and can complete different measurement control tasks according to requirements; meanwhile, the precision of data acquisition can be improved, the waste of a considerable amount of unused module interfaces in the traditional integrated data acquisition card is avoided, each module can be fully and effectively utilized, the appropriate number of modules can be selected according to the requirement, and the flexibility and modularization of a hardware circuit of the measurement and control system are improved.
Description
Technical Field
The utility model belongs to the technical field of thermal ionization mass spectrograph observes and controls, concretely relates to thermal ionization mass spectrograph observing and controlling device.
Background
The thermal ionization mass spectrometer has higher precision requirement on data acquisition, and because the data acquisition precision of the conventional integrated data acquisition card in the market cannot meet the higher requirement, and a single data acquisition card has a certain number of module I/O interfaces, for different industrial use scenes, the requirements for the number of different module I/O interfaces are different, and the insufficiency or the surplus of the module interfaces is easily caused.
Therefore, in order to meet different data measurement and equipment control requirements, a task of completing different data measurement and equipment control through an independent voltage input module, a voltage output module, a digital output module, a motion control module and the like can be designed, so that the flexibility of a hardware circuit is improved, and meanwhile, the precision of data acquisition can also be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at designing a thermal ionization mass spectrograph measurement and control device for it is relatively poor with the flexibility to solve the independence and the flexibility of different measurement control modules among the current thermal ionization mass spectrograph measurement and control device, can't adopt to unify the technical problem of the different measurement control tasks of same kind of thermal ionization mass spectrograph measurement and control device completion.
The technical scheme of the utility model:
a measurement and control device of a thermal ionization mass spectrometer comprises a cRIO controller, a voltage output module, a digital output module, a motion control module, a micro-current amplifier, a high-voltage control module, a filament current control module, a relay switch, a stepping motor and a plurality of voltage input modules, wherein one end of the cRIO controller is connected with a PC; a cRIO controller interface slot is arranged in the cRIO controller, and the voltage output module, the digital output module, the motion control module and the plurality of voltage input modules are all arranged in the cRIO controller interface slot; the voltage output module is respectively connected with a high-voltage control module and a filament current control module; the digital output module is connected with a relay switch; the motion control module is connected with a stepping motor; and the voltage input modules are connected with micro-current amplifiers.
The cRIO controller includes: a real-time processor and a reconfigurable FPGA; the real-time processor receives the measured or feedback data of each module and simultaneously receives commands from a computer.
The voltage input module collects amplified voltage from the micro-current amplifier, and the number of the voltage input modules is determined according to the number of the input channels.
The voltage output module receives the control command and outputs voltage information to the high-voltage control module and the filament current control module, and the high-voltage control module and the filament current control module regulate voltage and current according to the voltage signal of the voltage output module.
The motion control module includes: the driving interface module and the stepping motor driver; the driving interface module is a single-shaft stepping driving interface module or a position instruction driving interface module; the drive interface module has incremental encoder feedback.
The utility model discloses technological effect:
the utility model relates to a thermal ionization mass spectrometer measurement and control device, which can improve the independence and flexibility of different measurement control modules and can complete different measurement control tasks according to requirements; meanwhile, the precision of data acquisition can be improved, the waste of a considerable amount of unused module interfaces in the traditional integrated data acquisition card is avoided, each module can be fully and effectively utilized, the appropriate number of modules can be selected according to the requirement, and the flexibility and modularization of a hardware circuit of a measurement and control system are improved; the complexity of a hardware circuit is reduced, and the later maintenance is easy.
Drawings
Fig. 1 is a schematic diagram of the internal structure connection of a measurement and control device of a thermal ionization mass spectrometer according to the present invention;
Detailed Description
The technical solution of the present invention is further described below with reference to the following embodiments:
the utility model provides a thermal ionization mass spectrograph observes and controls system's scheme abandons the scheme that data acquisition card measurement and control are integrated on a integrated circuit board, adopts the scheme of measuring and controlling different module mutual independence, the utility model discloses each module is fully effectively utilized, improves the flexibility and the modularization of observing and controlling the system hardware circuit, reduces the numerous and diverse of hardware circuit, and the maintenance in easy later stage can improve data acquisition's precision simultaneously.
A measurement and control device of a thermal ionization mass spectrometer specifically comprises a cRIO controller, a voltage output module, a digital output module, a motion control module, a micro-current amplifier, a high-voltage control module, a filament current control module, a relay switch, a stepping motor and a plurality of voltage input modules, wherein one end of the cRIO controller is connected with a PC; a cRIO controller interface slot is arranged in the cRIO controller, and the voltage output module, the digital output module, the motion control module and the plurality of voltage input modules are all arranged in the cRIO controller interface slot; the voltage output module is respectively connected with a high-voltage control module and a filament current control module; the digital output module is connected with a relay switch; the motion control module is connected with a stepping motor; and the voltage input modules are connected with micro-current amplifiers.
The cRIO controller is a hardware system control hub comprising: a real-time processor and a reconfigurable FPGA; the real-time processor receives the measured or feedback data of each module, receives commands from the computer at the same time, and transmits the commands to the corresponding modules to execute corresponding control tasks after processing.
The cRIO controller is also provided with a cRIO controller slot for mounting a voltage input module, a voltage output module, a digital output module and a motion control module;
the voltage input module collects amplified voltage from the micro-current amplifier, and the number of the voltage input modules is determined according to the number of the input channels.
The voltage input module processes the acquired voltage signal, and the main functions of the voltage input module comprise: the input signal of each channel is conditioned and buffered, then is sampled by an analog-to-digital converter (ADC), the sampled digital signal is transmitted to a computer through a controller, and each channel is provided with an independent signal channel and the ADC, and can synchronously sample all the channels.
The voltage output module receives the control command and outputs voltage information to the high-voltage control module and the filament current control module, and the high-voltage control module and the filament current control module regulate voltage and current according to the voltage signal of the voltage output module.
The voltage output module controls the size of the output voltage signal, and the main functions of the voltage output module comprise: the analog output channels are in a floating state with the ground; each channel is provided with a digital-to-analog converter (DAC) for generating a voltage signal, each channel is provided with an independent signal path and an analog converter, and all channels can be synchronously updated; each channel also has overvoltage protection and short circuit protection functions.
The digital output module controls the relay switch, and the digital output module controls the on-off of the relay switch to realize the on-off of the valve and the power supply; so that the computer can send commands to control the valves and the power supply in real time. The digital output module may implement custom digital systems, such as counters/timers, digital communication protocols, pulse generation, and more other functions; inside, the DIO channel is referenced to the COM end, and each channel has a protection circuit and an isolated bidirectional buffer.
The motion control module includes: the driving interface module and the stepping motor driver; the driving interface module is a single-shaft stepping driving interface module or a position instruction driving interface module; the drive interface module has incremental encoder feedback; providing single axis stepper drive interface signals, full motion I/O inputs (such as origin switch and limit switch inputs), incremental encoder inputs for position feedback, and digital input and output lines;
the stepping motor driver drives the stepping motor, reduces torque fluctuation in microstep motion through a software control algorithm, inhibits high-speed resonance, and realizes more stable motion.
Claims (5)
1. A measurement and control device of a thermal ionization mass spectrometer is characterized by comprising a cRIO controller, a voltage output module, a digital output module, a motion control module, a micro-current amplifier, a high-voltage control module, a filament current control module, a relay switch, a stepping motor and a plurality of voltage input modules, wherein one end of the cRIO controller is connected with a PC; a cRIO controller interface slot is arranged in the cRIO controller, and the voltage output module, the digital output module, the motion control module and the plurality of voltage input modules are all arranged in the cRIO controller interface slot; the voltage output module is respectively connected with a high-voltage control module and a filament current control module; the digital output module is connected with a relay switch; the motion control module is connected with a stepping motor; and the voltage input modules are connected with micro-current amplifiers.
2. The measurement and control device of a thermal ionization mass spectrometer of claim 1, wherein said cRIO controller comprises: a real-time processor and a reconfigurable FPGA; the real-time processor receives the measured or feedback data of each module and simultaneously receives commands from a computer.
3. The measurement and control device of claim 2, wherein the voltage input modules collect the amplified voltage from the micro current amplifier, and the number of the voltage input modules is determined according to the number of the input channels.
4. The measurement and control device of claim 3, wherein the voltage output module receives a control command and outputs voltage information to the high voltage control module and the filament current control module, and the high voltage control module and the filament current control module adjust the voltage and the current according to a voltage signal of the voltage output module.
5. The measurement and control device of the thermionic mass spectrometer of claim 4, wherein the motion control module comprises: the driving interface module and the stepping motor driver; the driving interface module is a single-shaft stepping driving interface module or a position instruction driving interface module; the drive interface module has incremental encoder feedback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023280552.2U CN214225716U (en) | 2020-12-30 | 2020-12-30 | Measuring and controlling device for thermal ionization mass spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023280552.2U CN214225716U (en) | 2020-12-30 | 2020-12-30 | Measuring and controlling device for thermal ionization mass spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214225716U true CN214225716U (en) | 2021-09-17 |
Family
ID=77707103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023280552.2U Active CN214225716U (en) | 2020-12-30 | 2020-12-30 | Measuring and controlling device for thermal ionization mass spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214225716U (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 |
-
2020
- 2020-12-30 CN CN202023280552.2U patent/CN214225716U/en active Active
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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214225716U (en) | Measuring and controlling device for thermal ionization mass spectrometer | |
| CN104880994A (en) | EtherCAT bus-based open-type numerical control system and the method | |
| CN102520730A (en) | Realization method applied to unmanned vehicle control terminal | |
| CN105676868A (en) | Unmanned aerial vehicle beyond-the-horizon remote control system | |
| CN204650244U (en) | A kind of digital control system in open type based on EtherCAT bus | |
| CN113156986A (en) | Driving control device and method for propulsion system of aircraft for deep space exploration | |
| CN112532122A (en) | Electromechanical servo actuator zero setting device using encoder | |
| CN101655717B (en) | Electronic control device for verifying and debugging deflection angle of tail sprayer nozzle | |
| CN215006354U (en) | Integrated PLC, vision or force feedback integrated actuating mechanism | |
| CN116298627A (en) | Automatic test system for high-low temperature environment test of avionics stand-alone machine | |
| CN202520422U (en) | Portable diesel engine and postprocessing electronic control system signal generation device | |
| CN115373302A (en) | Photoelectric telescope light modulation focusing motor motion control machine case | |
| CN101582647B (en) | High-accuracy pulse/direct current digital power of ionic accelerator | |
| CN217386173U (en) | Servo control converter | |
| CN201973349U (en) | Intelligent valve locater | |
| CN110985747A (en) | Piezoelectric valve positioner and rapid positioning method thereof | |
| CN219369103U (en) | Aircraft intake duct swash plate loading system | |
| CN216873067U (en) | High-precision segmented high-frequency switching power supply | |
| CN216526796U (en) | 8-channel thermal resistor sampling module of DCS (distributed control system) | |
| CN106050635B (en) | A kind of manual variable pump control system | |
| CN111431286A (en) | High-frequency power supply detection equipment | |
| CN215494612U (en) | Intelligent refitting device for retired radar | |
| CN109687873B (en) | DAC circuit with adjustable output range | |
| CN208521168U (en) | Aircraft servo motor control device based on 1553B bus | |
| CN212083958U (en) | Double-feedback proportional valve controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |