CN201392333Y - Multifunctional gas analyzer - Google Patents
Multifunctional gas analyzer Download PDFInfo
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- CN201392333Y CN201392333Y CN200920050116U CN200920050116U CN201392333Y CN 201392333 Y CN201392333 Y CN 201392333Y CN 200920050116 U CN200920050116 U CN 200920050116U CN 200920050116 U CN200920050116 U CN 200920050116U CN 201392333 Y CN201392333 Y CN 201392333Y
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Abstract
The utility model relates to the field of analyzing instrument in used in analytical chemistry, in particular to a multifunctional gas analyzer which comprises a main board system module, au auxiliary board system module, a power supply and power output module and a display and operation module, forming a microcomputer system which can be arranged in three types of configuration to work. The multifunctional gas analyzer has powerful calculating capacity and self-checking function, and a common technician can operate the analyzer after simple training. By adopting the modular design, the analyzer can adapt to various working environments and is convenient to maintain. The analyzer is provided with channels for various analog signals and various external sensors, thus enhancing the universality of the analyzer. The analyzer has great communication function with the outside, and can have data exchange with the external devices through an RS232 interface, an RS485 interface, a USB port, Bluetooth, a GPRS network, a GSM network or the Ethernet. Therefore the analyzer is a multifunctional gas analyzer with strong universality and high data analyzing precision.
Description
Technical field
The utility model relates to the field of analytic instrument in the analytical chemistry specialty, specifically is a kind of multifunctional gas analyser.
Background technology
Along with The development in society and economy, in the production run of each large size industrial enterprise (as: colliery, oil, sky grade industry), need under some production link at present the specific gas (as: NO that production run produced
X, O
2, CO, CO
2Deng gas) detect, safeguard normal production needs with this.The principle of detected gas is to adopt lambert-beer's law, by absorbing material the difference of gas with various is absorbed to detect to obtain signal, and instrument draws analysis result to signal Processing by analysis.
The gas analyzer complex structure of prior art, analysis precision is poor, complicated operation, the user of service of instrument need pass through special training just can be on duty.A kind of gas analyzer as No. 200710168902.6 patent disclosures of the patent No., be made up of air pressure discharge pump, pneumatic tube, sample introduction measuring apparatus and gas componant absorption plant, wherein measuring apparatus comprises that first pressure charging valve, first reduction valve, first intercept steady arm, gas volume meter, first equilibration flask, first absorption bottle, sampling valve, exhaust-valve or the like.Because the complexity of structure must cause complex operation, error to increase.
Prior art also has the higher gas analyzer of minority electrons degree, the home market mainly relies on external import, but all exist analyze that data precision is low, poor stability, display interface is single, versatility is poor, and shortcomings such as analog signal transmission data that adopt 4-20mA.
The utility model content
Goal of the invention of the present utility model is to overcome the shortcoming of prior art, a kind of highly versatile is provided, analyzes the higher multifunctional gas analyser of data precision.
For reaching above goal of the invention, the utility model multifunctional gas analyser is by comprising that mainboard subsystem, subplate subsystem, " power supply and power output ", " showing and operation " four modules form microsystem.The operating system of microsystem adopts open operating system Linux or Windows CE, is installed in the mainboard subsystem; Nonlinear error compensation parameter and other operational factors of the gas analysis software of on the operating system basis, developing, various sensors have been preset, can be by among the online FlashROM that brushes the mainboard subsystem of computing machine, the operation interface of gas analysis software is developed as multilingual, comprises simplified form of Chinese Character and English at least.Wherein the mainboard subsystem is the embedded system of core for adopting the ARM9 microprocessor, comprises CPU, FlashROM, RAM and power down storer.The subplate subsystem is realized the data acquisition and the simple data processing of feeble signal for adopting the embedded system of SOC chip.
Microsystem is provided with a plurality of simulating signal input channels, can import the simulating signal about gas as patented claim 2008100299075,2008100300316,2008100300320,2008100300335 disclosed sensor acquisition.
The mainboard subsystem structurally comprises core board and subplate, and SPI or I2C mode are adopted in the communication between core board and the subplate.Core board comprises ARM9 microprocessor, programmable-gain amplification module, power conversion and clock circuit module, keyboard interface module, output control interface module, remote alarm interface module, display interface module, audio frequency output module, infrared communication module, RS232/RS485 interface module, usb interface module, GSM/GPRS module interface module, bluetooth outputting communication module, ethernet interface module.
The subplate subsystem comprises simple type subplate subsystem and two kinds of configuration modes of enhancement mode subplate subsystem.Simple type subplate subsystem comprises C8051F350 chip, simulating signal load module, power conversion and clock circuit module, keyboard interface module, RS232/RS485 interface module, remote alarm interface module, display interface module, output control interface module; Enhancement mode subplate subsystem comprises SOC chip, simulating signal load module, power conversion and clock circuit module, voice output module, keyboard interface module, output control interface module, display interface module, remote alarm interface module, infrared communication interface module, RS232/RS485 interface module, usb interface module.
The microsystem of the utility model multifunctional gas analyser can be with three kinds of configuration mode work:
(1) feeble signal modular system comprises mainboard subsystem, subplate subsystem, " power supply and power output ", " showing and operation " four modules.
(2) standardized signalling system comprises mainboard subsystem, " power supply and power output ", " showing and operation " three modules.
(3) feeble signal mini system comprises subplate subsystem, " power supply and power output ", " showing and operation " three modules.
The utility model multifunctional gas analyser is designed to the form of microsystem, possesses powerful computing ability and self-checking function, and those skilled in the art get final product operation on duty through simple training; By modular design, instrument can adapt to work, also convenient for maintaining under the multiple environment; The simulating signal input channel of multiple class, external various sensors have strengthened the versatility of instrument; Powerful extraneous communication function can be passed through RS232 interface, RS485 interface, USB mouth, bluetooth, GPRS network, GSM network or Ethernet and external device and realize exchanges data.
Description of drawings
Fig. 1 is the frame diagram of the feeble signal modular system work configuration of the utility model multifunctional gas analyser.
Fig. 2 is the frame diagram of the standardized signalling system work configuration of the utility model multifunctional gas analyser.
Fig. 3 is the frame diagram of the feeble signal mini system work configuration of the utility model multifunctional gas analyser.
Fig. 4 is the frame diagram of the mainboard subsystem of the utility model multifunctional gas analyser.
Fig. 5 is the frame diagram of the simple type subplate subsystem of the utility model multifunctional gas analyser.
Fig. 6 is the frame diagram of the enhancement mode subplate subsystem of the utility model multifunctional gas analyser.
Embodiment
The utility model multifunctional gas analyser is by comprising that mainboard subsystem, subplate subsystem, " power supply and power output ", " showing and operation " four modules form microsystem.The operating system of microsystem adopts open operating system Linux or Windows CE, is installed in the mainboard subsystem.Microsystem has preset nonlinear error compensation parameter and other operational factors of the gas analysis software of developing, various sensors on the operating system basis.Gas analysis software and various parameter can be by among the online FlashROM that brushes the mainboard subsystem of computing machine.The operation interface of gas analysis software is developed as multilingual, comprises simplified form of Chinese Character and English at least.Wherein the mainboard subsystem is the embedded system of core for adopting the ARM9 microprocessor, comprises CPU, FlashROM, RAM and power down storer.The subplate subsystem is realized the data acquisition and the simple data processing of feeble signal for adopting the embedded system of SOC chip.
Microsystem is provided with eight simulating signal input channels, can import the simulating signal about gas as patented claim 2008100299075,2008100300316,2008100300320,2008100300335 disclosed sensor acquisition:
Passage 1,4～20mA channel current signal;
Passage 2,0～5V voltage signal passage;
Passage 3, the weak current signalling channel;
Passage 4, the weak current signalling channel;
Passage 5, light current is pressed signalling channel;
Passage 6, light current is pressed signalling channel;
Passage 7, the temperature compensation signal input end;
Passage 8, alternate channel.
Wherein passage 3 and passage 4 can be formed the current difference signal input end, and passage 5 and passage 6 can be formed the voltage differential signal input end.The temperature compensation signal input end is the input end of temperature sensor that environment temperature is monitored.
Mainboard subsystem (as Fig. 4) structurally comprises core board and subplate, and SPI or I2C mode are adopted in the communication between core board and the subplate.Core board comprises ARM9 microprocessor, programmable-gain amplification module, power conversion and clock circuit module, keyboard interface module, output control interface module, remote alarm interface module, display interface module, audio frequency output module, infrared communication module, RS232/RS485 interface module, usb interface module, GSM/GPRS module interface module, bluetooth outputting communication module, ethernet interface module.
The preferred version of the important original paper configuration of mainboard subsystem is: CPU adopts the s3c410 chip of Samsung, dominant frequency 266MHz; The FlashROM capacity is 256MB～4GB; The RAM capacity is 128MB～512MB; The power down memory span is 256B～512KB.
Each module of mainboard subsystem is described in detail as follows:
1, module 0: programmable gain amplifier
Simulating signal enters programmable gain amplifier through behind the signal condition, enters the A/D conversion portion of ARM9 microprocessor again through signal condition, and to realize 3 kinds of functions: 1. range is changed automatically; 2. zero migration calibration; 3. full scale is calibrated automatically.The software of this module can detect abnormality such as " input end open circuits " automatically after the start; Can calibrate zero point and gain automatically; Can preset temperature, the pressure nonlinear compensation curve of various sensors; Can overload alarm.
2, module 1: power conversion and clock circuit
" power supply and power output " module provides the direct supply of 5V, (being not more than) 1.2A, and the back-up source that is not less than 100mAh is provided.The software of this module can detect the running status (charging, Alternating Current Power Supply or backup battery power supply) and the current volume percent of battery of power supply.
Clock circuit also comprises the time crystal oscillator, must guarantee: (1) under the situation that " power supply and power output " module is not powered fully, drop-out time not in half a year; (2) button cell of Shi Yonging did not damage in 5 years.
3. module 2: keyboard interface
The button of input comprises 2 power keys, reset key, four direction key, a Menu key and a definite key.Again under the detected state software can the shield direction key, Menu key and definite key and touch-screen, can not cause maloperation.
4. module 3: the output control interface
This module provides the output of six road signals: two-way contactless relay control signal is exported, the output of two-way relay signal, and two-way MOSFET power (pwm signal) output, the output of one tunnel 4～20mA standard signal, the one tunnel reports to the police exports.
5. module 4: remote alarm interface
This module can drive hummer or diode and realize warning function for the mainboard subsystem provides one tunnel internal alarm signaling interface.
6. module 5: display interface
Display interface module comprises LCD display and touch-screen.LCD display comprises STN screen and very color lcd screen and the LCD that is with touch-screen, has write the corresponding driving program.
7. module 6: audio frequency output
This module provides the loudspeaker sound output of 200mW two-channel.
8. module 7: the infrared communication module
The infrared communication module requires to use infrared module low in energy consumption, as to meet IrDA1.2 (FIR, fast infrared) serial Infrared Transmission standard, and its highest Infrared Transmission speed can reach 4Mbps.
9. module 8:RS232/RS485 interface
The RS232 interface can be converted to the RS485 interface by interface conversion circuit.
10. module 9:USB interface
USB interface can connect USB flash disk, USB mouth printer etc. send data by the USB oral instructions equipment.The USB mouth can external computing machine, realizes the operations such as application software installation, operating system update of mainboard subsystem with external computing machine.
11, module 10:GSM/GPRS module interface
GSM/GPRS module interface module can realize wireless telecommunications.
12. module 11: bluetooth communication module
Bluetooth communication module can be realized wireless data exchange
13. module 12: Ethernet interface
The 10M ethernet interface module makes things convenient for system to form LAN (Local Area Network)
The subplate subsystem comprises simple type subplate subsystem (as Fig. 5) and two kinds of configuration modes of enhancement mode subplate subsystem (as Fig. 6).Simple type subplate subsystem comprises C8051F350 chip, simulating signal load module, power conversion and clock circuit module, keyboard interface module, RS232/RS485 interface module, remote alarm interface module, display interface module, output control interface module; Enhancement mode subplate subsystem comprises SOC chip, simulating signal load module, power conversion and clock circuit module, voice output module, keyboard interface module, output control interface module, display interface module, remote alarm interface module, infrared communication interface module, RS232/RS485 interface module, usb interface module.
The function of each module of simple type subplate subsystem is as follows:
(1), analog input circuit
Input channel comprises: one tunnel weak current differential signal end, one road light current pressure reduction sub-signal end, one tunnel 0～5V voltage signal passage, one tunnel 4～20mA channel current signal, one road temperature compensation signal input end.
Can realize that range changes automatically, simulating signal enters the A/D conversion portion of C8051F350 chip through conditioning.
Software can detect unusual conditions such as input end open circuit automatically during start; Can calibrate zero point and gain automatically; Can preset temperature, the pressure nonlinear compensation curve of various sensors; Overload alarm.
(2), power conversion and clock circuit
" power supply and power output " module provides the direct supply of 5V, and the back-up source that is not less than 1000mAh is provided.Power conversion and clock circuit module utilize software can detect the running status (as charging, Alternating Current Power Supply or backup battery power supply etc.) and the current volume percent of backup battery of power supply.
Clock circuit also comprises the time crystal oscillator, can guarantee: (A) under the situation that " power supply and power output " module is not powered fully, the time does not lose in half a year.(B) button cell of Shi Yonging did not damage in 5 years.
(3) keyboard interface
The button of input is made up of power key, reset key, four direction key, Menu key and definite key, can pass through the software masking button under detected state, prevents maloperation button or touch-screen.
(4) output control interface
The output control interface possesses the control of two-way relay, the control of two-way oncontacting electrical relay, two-way MOSFET (PWM) output, the output of one tunnel 4～20mA standard signal.
(5) remote alarm interface
The remote alarm interface module provides one tunnel alerting signal interface for the subplate subsystem, drives hummer or diode and realizes reporting to the police.
(6) display interface
Display interface module is the LED display module.
(7) module 7:RS232/RS485 interface
The RS232 interface can be converted to the RS485 interface by interface conversion circuit.
The function of each module of enhancement mode subplate subsystem is as follows:
(1) analog input circuit
Input channel comprises: one tunnel weak current differential signal end, one road light current pressure reduction sub-signal end, one tunnel 0～5V voltage signal passage, one tunnel 4～20mA channel current signal, one road temperature compensation signal input end.
(A) can realize the range auto-conversion function, simulating signal is through entering the A/D conversion portion of SOC chip behind the signal condition.
(B) possesses the hardware handles function of zero point and full-scale measurement.
Software has following function:
A, startup self-detection can detect unusual conditions such as input end open circuit automatically.
B, can calibrate zero point and gain automatically.
C, the temperature that can preset various sensors, pressure nonlinear compensation curve.
D, overload alarm.
(2) power conversion and clock circuit
" power supply and power output " module provides the direct supply of 5V, and the back-up source that is not less than 1000mAh is provided.Power conversion and clock circuit module utilize software can detect the running status (as charging, Alternating Current Power Supply or backup battery power supply etc.) and the current volume percent of backup battery of power supply.
Clock circuit also comprises the time crystal oscillator, can guarantee: (A) under the situation that " power supply and power output " module is not powered fully, the time does not lose in half a year.(B) button cell did not damage in 5 years.
(3) keyboard interface
The button of input is made up of power key, reset key, four direction key, Menu key and definite key, can pass through the software masking button under detected state, prevents maloperation button or touch-screen.
(4) output control interface
The output control interface possesses the control of two-way relay, the control of two-way oncontacting electrical relay, two-way MOSFET (PWM) output, the output of one tunnel 4～20mA standard signal.
(5) remote alarm interface
The remote alarm interface module provides one tunnel alerting signal interface for the subplate subsystem, drives hummer or diode and realizes reporting to the police.
(6) display interface
Display interface module comprises LCD and LED display module, has the corresponding driving program.
(7) infrared communication module
The infrared communication module meets the infrared transceiver module of IrDA1.2 (FIR, fast infrared) serial Infrared Transmission standard, and its highest Infrared Transmission speed can reach 4Mbps.
(8) RS232/RS485 interface
The RS232 interface can be converted to the RS485 interface by interface conversion circuit.
Can connect the serial ports bill printer, have corresponding software driver.
The RS232 interface can be used to form bus-structured network.
(9) USB interface
USB interface can connect USB flash disk, USB mouth printer etc. send data by the USB oral instructions equipment.Has the corresponding driving program on the software.
The microsystem of the utility model multifunctional gas analyser can be with three kinds of configuration mode work:
(1) feeble signal modular system (as Fig. 1) comprises mainboard subsystem, subplate subsystem, " power supply and power output ", " showing and operation " four modules.
(2) standardized signalling system (as Fig. 2) comprises mainboard subsystem, " power supply and power output ", " showing and operation " three modules.
(3) feeble signal mini system (as Fig. 3) comprises subplate subsystem, " power supply and power output ", " showing and operation " three modules.
Claims (7)
1, multifunctional gas analyser is characterized in that: comprise mainboard subsystem, subplate subsystem, " power supply and power output ", " showing and operation " four microsystems that module is formed;
Described mainboard subsystem is the embedded system of core for adopting the ARM9 microprocessor, comprises CPU, FlashROM, RAM and power down storer;
Described subplate subsystem is realized the data acquisition and the simple data processing of feeble signal for adopting the embedded system of SOC chip;
The operating system of described microsystem adopts open operating system Linux or WindowsCE, is installed in the mainboard subsystem.
2, multifunctional gas analyser as claimed in claim 1 is characterized in that: the CPU of described mainboard subsystem adopts the s3c410 chip of Samsung, dominant frequency 266MHz;
The FlashROM capacity is 256MB～4GB;
The RAM capacity is 128MB～512MB;
The power down memory span is 256B～512KB.
3, multifunctional gas analyser as claimed in claim 1 is characterized in that: described mainboard subsystem comprises core board and subplate;
Described core board comprises ARM9 microprocessor, programmable-gain amplification module, power conversion and clock circuit module, keyboard interface module, output control interface module, remote alarm interface module, display interface module, audio frequency output module, infrared communication module, RS232/RS485 interface module, usb interface module, GSM/GPRS module interface module, bluetooth outputting communication module, ethernet interface module.
4, multifunctional gas analyser as claimed in claim 3 is characterized in that: SPI or 12C mode are adopted in the communication between described core board and the subplate.
5, multifunctional gas analyser as claimed in claim 1 is characterized in that: described subplate subsystem comprises simple type subplate subsystem and two kinds of configuration modes of enhancement mode subplate subsystem;
Simple type subplate subsystem comprises C8051F350 chip, simulating signal load module, power conversion and clock circuit module, keyboard interface module, RS232/RS485 interface module, remote alarm interface module, display interface module, output control interface module;
Enhancement mode subplate subsystem comprises SOC chip, simulating signal load module, power conversion and clock circuit module, voice output module, keyboard interface module, output control interface module, display interface module, remote alarm interface module, infrared communication interface module, RS232/RS485 interface module, usb interface module.
6, multifunctional gas analyser as claimed in claim 1 is characterized in that: described microsystem can be with three kinds of configuration mode work:
The feeble signal modular system comprises mainboard subsystem, subplate subsystem, " power supply and power output ", " showing and operation " four modules;
Standardized signalling system comprises mainboard subsystem, " power supply and power output ", " showing and operation " three modules;
The feeble signal mini system comprises subplate subsystem, " power supply and power output ", " showing and operation " three modules.
7, multifunctional gas analyser as claimed in claim 1 is characterized in that: described microsystem comprises eight simulating signal input channels:
Passage 1,4～20mA channel current signal;
Passage 2,0～5V voltage signal passage;
Passage 3, the weak current signalling channel;
Passage 4, the weak current signalling channel;
Passage 5, light current is pressed signalling channel;
Passage 6, light current is pressed signalling channel;
Passage 7, the temperature compensation signal input end;
Passage 8, alternate channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920050116U CN201392333Y (en) | 2009-01-14 | 2009-01-14 | Multifunctional gas analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920050116U CN201392333Y (en) | 2009-01-14 | 2009-01-14 | Multifunctional gas analyzer |
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| CN201392333Y true CN201392333Y (en) | 2010-01-27 |
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| CN200920050116U Expired - Lifetime CN201392333Y (en) | 2009-01-14 | 2009-01-14 | Multifunctional gas analyzer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090523A (en) * | 2014-06-16 | 2014-10-08 | 福建睿能科技股份有限公司 | Automatic equipment and control system and control device of automatic equipment |
| CN104111621A (en) * | 2014-06-16 | 2014-10-22 | 福建睿能科技股份有限公司 | Automation equipment and control system thereof, and control device |
| CN105548502A (en) * | 2016-01-28 | 2016-05-04 | 河北先河环保科技股份有限公司 | Air quality detector |
| CN107168141A (en) * | 2017-07-07 | 2017-09-15 | 西安鼎研科技股份有限公司 | A kind of multichannel, the gas analysis instrument of multicomponent synchro measure and method |
-
2009
- 2009-01-14 CN CN200920050116U patent/CN201392333Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090523A (en) * | 2014-06-16 | 2014-10-08 | 福建睿能科技股份有限公司 | Automatic equipment and control system and control device of automatic equipment |
| CN104111621A (en) * | 2014-06-16 | 2014-10-22 | 福建睿能科技股份有限公司 | Automation equipment and control system thereof, and control device |
| CN104090523B (en) * | 2014-06-16 | 2017-02-01 | 福建睿能科技股份有限公司 | Automatic equipment and control system and control device of automatic equipment |
| CN105548502A (en) * | 2016-01-28 | 2016-05-04 | 河北先河环保科技股份有限公司 | Air quality detector |
| CN107168141A (en) * | 2017-07-07 | 2017-09-15 | 西安鼎研科技股份有限公司 | A kind of multichannel, the gas analysis instrument of multicomponent synchro measure and method |
| CN107168141B (en) * | 2017-07-07 | 2019-07-12 | 西安鼎研科技股份有限公司 | The gas analysis instrument and method of a kind of multichannel, multicomponent synchro measure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XIAN DINGYAN TECHNOLOGY CO., LTD. Assignor: Shi Zhaoqi Contract fulfillment period: 2009.1.20 to 2019.1.20 Contract record no.: 2009610000157 Denomination of utility model: Multifunctional gas analyzer for livestock Granted publication date: 20100127 License type: Exclusive license Record date: 20091214 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.1.20 TO 2019.1.20; CHANGE OF CONTRACT Name of requester: XI'AN DINGYAN TECHNOLOGY CO., LTD Effective date: 20091214 |
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| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: XIAN DINGYAN TECHNOLOGY CO., LTD. Assignor: Shi Zhaoqi Contract record no.: 2009610000157 Date of cancellation: 20161027 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170110 Address after: The new industrial park building 710065 Shaanxi province Xi'an City Station Road, No. 22 Patentee after: XIAN DINGYAN TECHNOLOGY CO., LTD. Address before: Town River Village in Gansu Province in Gaotai County Chengguan No. 290 Patentee before: Shi Zhaoqi |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Multifunctional gas analyzer for livestock Effective date of registration: 20170309 Granted publication date: 20100127 Pledgee: Bank of Changan Limited by Share Ltd Xi'an branch Pledgor: XIAN DINGYAN TECHNOLOGY CO., LTD. Registration number: 2017610000012 |
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