CN112730727A - Online ion chromatograph and control system thereof - Google Patents
Online ion chromatograph and control system thereof Download PDFInfo
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Abstract
The invention discloses an online ion chromatograph and a control system thereof, and the online ion chromatograph and the control system thereof comprise an online ion chromatograph body and a control system, wherein the online ion chromatograph body comprises a data processing host, a mobile phase container, a conveying component, a separation component and a detection component; the control system is composed of a control host, an internet terminal and a client, wherein the control host is in communication connection with the conveying assembly, the separating assembly and the data processing host respectively. Adopt this control system to control online ion chromatograph's transport module and separable set, cooperation mobile client has long-range wireless control's function, internet terminal operation is on cloud ware simultaneously, the customer end user is after authentication procedure verification, can take place control command online, the surface mounting of simultaneous control host computer has the pronunciation to type the microphone, and inside is provided with speech recognition module, control through the mode of pronunciation to convenient the detection.
Description
Technical Field
The invention relates to the technical field of online ion chromatographs, in particular to an online ion chromatograph and a control system thereof.
Background
Ion chromatography is one of high performance liquid chromatography, so it is also called High Performance Ion Chromatography (HPIC) or modern ion chromatography, which is different from traditional ion exchange chromatography column chromatography mainly in that resin has very high crosslinking degree and low exchange capacity, sample introduction volume is very small, and the on-line automatic continuous conductivity detection is usually carried out on the eluate by conveying eluate with plunger pump. The ion chromatography is a specialty for separating and measuring common anions, a sample is injected into the ion chromatography, and the measurement results of 7 common ions can be obtained within about 20 minutes, which cannot be achieved by other analytical means, and the ion chromatography for measuring cations has no superiority compared with AAS and ICP methods.
Ion chromatography is mainly used for analysis of environmental samples, including anions and cations in samples such as surface water, drinking water, rainwater, domestic sewage, industrial wastewater, acid sediments, atmospheric particulates and the like, and trace impurities in water and reagents related to the microelectronic industry.
The working process of the ion chromatograph is as follows: the liquid transfer pump conveys the mobile phase to an analysis system at a stable flow rate (or pressure), the sample is introduced by a sample injector before a chromatographic column, the mobile phase carries the sample into the chromatographic column, each component in the chromatographic column is separated and flows to a conductivity detector along with the mobile phase in sequence, a suppression system is added before the conductivity detector in the suppression type ion chromatography, a regeneration liquid is conveyed to a suppressor by another high-pressure liquid transfer pump, the background conductivity of the mobile phase is reduced in the suppressor, then the effluent is introduced into a conductivity detection cell, and the detected signal is conveyed to a data system for recording, processing or storing.
At present, the existing online ion chromatograph can only be operated manually in the face, and a worker cannot remotely control and acquire data at a mobile phone end, so that troubles are brought to work.
Therefore, the invention provides an online ion chromatograph and a control system thereof.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an online ion chromatograph and a control system thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an online ion chromatograph and a control system thereof are disclosed, the online ion chromatograph comprises an online ion chromatograph body and a control system, wherein the online ion chromatograph body comprises a data processing host, a mobile phase container, a conveying assembly, a separation assembly and a detection assembly, the conveying assembly conveys mobile phase solution in the mobile phase container into the separation assembly for ion separation, the detection assembly detects the separated mobile phase solution and transmits detection data to the data processing host for processing;
the control system consists of a control host, an internet terminal and a client, wherein the control host is respectively in communication connection with the conveying assembly, the separating assembly and the data processing host; the internet terminal runs on the cloud server and performs information interaction with the control host and the client through a data network; the client is a mobile phone application client and is in communication connection with the control host through an internet terminal.
Preferably, the conveying assembly consists of a high-pressure liquid conveying pump and a high-pressure pump control main board, and the high-pressure pump control main board is in communication connection with the control host.
Preferably, the separation component comprises a sample injection valve and a chromatographic column, the sample injection valve is installed between the output end of the conveying component and the input end of the chromatographic column, and the sample injection valve is an electromagnetic valve and is electrically connected with the control host.
Preferably, the detection assembly comprises a suppressor, a conductivity detector and a signal collector, and the signal collector is in communication connection with the data processing host.
Preferably, the surface of main control system is provided with control panel, control panel's surface mounting has a plurality of control button, and a plurality of control button are used for controlling high-pressure liquid delivery pump and injection valve, the inside of main control system is provided with electronic control module, electronic control module is connected with high-pressure liquid delivery pump and injection valve communication respectively.
Preferably, a communication module, a storage module and a command transceiving module are arranged inside the internet terminal, the storage module comprises a storage database, and the communication module is used for information communication between the control host and the client.
Preferably, an information synchronization program is arranged inside the control host, the information synchronization program acquires information of the data processing host and performs synchronous backup, a voice input microphone is arranged on the surface of the control host, and a voice recognition module is arranged inside the control host and converts audio information into character information.
Preferably, an identity authentication program is arranged in the client, the identity authentication program is a fingerprint authentication program, an instruction generated by the client is in communication connection with the command transceiver module, and the command transceiver module is in communication connection with the electronic control module in the control host.
The invention has the following beneficial effects:
1. the invention provides an online ion chromatograph, wherein a body of the online ion chromatograph is composed of a data processing host, a mobile phase container, a conveying assembly, a separation assembly and a detection assembly.
2. The invention provides an online ion chromatograph and a control system thereof.A conveying assembly of the online ion chromatograph consists of a high-pressure liquid conveying pump and a high-pressure pump control board main board, the high-pressure pump control main board is in communication connection with a control host, and meanwhile, a sample injection valve is arranged between the output end of the conveying assembly and the input end of a chromatographic column and is electrically connected with the control host, so that the work of the conveying assembly and a separation assembly is controlled by the control system conveniently, and the function of wireless control of a mobile phone is utilized.
3. According to the control system of the online ion chromatograph, the internet terminal is arranged, the auxiliary client side is communicated with the control host computer, the internet terminal runs on the cloud server, a user at the client side can generate a control command online through the mobile phone client side after being verified by an identity verification program, the online ion chromatograph is controlled, the voice recording microphone is arranged on the surface of the control host computer, the voice recognition module is arranged in the control host computer, the control can be performed in a voice mode, the control is performed wirelessly, and therefore detection is facilitated.
Drawings
Fig. 1 is an overall block diagram of an on-line ion chromatograph and a control system thereof according to the present invention;
fig. 2 is a flow chart for executing the operation of the online ion chromatograph and the control system thereof according to the present invention;
fig. 3 is a flow chart illustrating remote operation of an on-line ion chromatograph and a control system thereof according to the present invention;
fig. 4 is a connection block diagram of a control system of an online ion chromatograph according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
An online ion chromatograph and a control system thereof comprise an online ion chromatograph body and a control system, wherein the online ion chromatograph body comprises a data processing host, a mobile phase container, a conveying component, a separation component and a detection component, the conveying component conveys mobile phase solution in the mobile phase container to the separation component for ion separation, and the detection component detects the separated mobile phase solution and transmits detection data to the data processing host for processing; the control system consists of a control host, an internet terminal and a client, wherein the control host is respectively in communication connection with the conveying assembly, the separating assembly and the data processing host; the internet terminal runs on the cloud server and performs information interaction with the control host and the client through a data network; the client is a mobile phone application client and is in communication connection with the control host through an internet terminal.
The conveying assembly consists of a high-pressure liquid conveying pump and a high-pressure pump control mainboard, and the high-pressure pump control mainboard is in communication connection with the control host; the separation component consists of a sample injection valve and a chromatographic column, the sample injection valve is arranged between the output end of the conveying component and the input end of the chromatographic column, and the sample injection valve is an electromagnetic valve and is electrically connected with the control host.
The detection assembly comprises a suppressor, a conductivity detector and a signal collector, the signal collector is in communication connection with a data processing host, a control panel is arranged on the surface of the control host, a plurality of control buttons are arranged on the surface of the control panel and used for controlling the high-pressure liquid delivery pump and the sample injection valve, an electronic control module is arranged inside the control host and is in communication connection with the high-pressure liquid delivery pump and the sample injection valve respectively, a communication module is arranged inside the internet terminal, a storage module and a command receiving and sending module are arranged inside the internet terminal, the storage module comprises a storage database, and the communication module is used for information communication between the control host and a client.
The system comprises a control host, a data processing host, a voice input microphone, a voice recognition module, an identity verification program, a command transceiving module and an electronic control module, wherein the control host is internally provided with an information synchronization program, the information synchronization program acquires information of the data processing host and performs synchronous backup, the surface of the control host is provided with the voice input microphone, the voice recognition module is internally provided with the voice recognition module and converts audio information into character information, the client is internally provided with the identity verification program, the identity verification program is a fingerprint verification program, a command generated by the client is in communication connection with the command transceiving module, and.
When the online ion chromatograph and a control system thereof are used for in-plane control and the detection of the components of the aqueous solution, firstly, the aqueous solution to be detected is injected into a mobile phase container, then a control main board on the surface of a control host controls detection parameters, firstly, the mobile phase is conveyed into a separation component at a stable flow rate or pressure by a high-pressure liquid conveying pump, a sample is introduced by an injection valve before a chromatographic column, the sample is brought into the chromatographic column by the mobile phase, all the components in the chromatographic column are separated and sequentially flow to a conductivity detector along with the mobile phase, an inhibition system is added before the conductivity detector in the inhibition type ion chromatograph, namely, another high-pressure liquid conveying pump is used for conveying a regeneration liquid to the inhibitor, in the inhibitor, the background conductivity of the mobile phase is reduced, then, the effluent is introduced into a conductivity detection cell, and the detected signal is sent to a data processing host for recording, And (4) processing or storing.
Thereby observe the display data on data processing host computer surface, can observe the processing result, the staff can also be through pronunciation input microphone input pronunciation, adopt speech control's mode, speech recognition module discernment staff's instruction and sound characteristic, the staff sends through the mode of combination formula password and controls the instruction, after speech recognition module discernment, control high-pressure liquid delivery pump and injection valve through electronic control module and operate to have the function that pronunciation were controlled.
Example 2
An online ion chromatograph and a control system thereof comprise an online ion chromatograph body and a control system, wherein the online ion chromatograph body comprises a data processing host, a mobile phase container, a conveying component, a separation component and a detection component, the conveying component conveys mobile phase solution in the mobile phase container to the separation component for ion separation, and the detection component detects the separated mobile phase solution and transmits detection data to the data processing host for processing; the control system consists of a control host, an internet terminal and a client, wherein the control host is respectively in communication connection with the conveying assembly, the separating assembly and the data processing host; the internet terminal runs on the cloud server and performs information interaction with the control host and the client through a data network; the client is a mobile phone application client and is in communication connection with the control host through an internet terminal.
The conveying assembly consists of a high-pressure liquid conveying pump and a high-pressure pump control mainboard, and the high-pressure pump control mainboard is in communication connection with the control host; the separation component consists of a sample injection valve and a chromatographic column, the sample injection valve is arranged between the output end of the conveying component and the input end of the chromatographic column, and the sample injection valve is an electromagnetic valve and is electrically connected with the control host.
The detection assembly comprises a suppressor, a conductivity detector and a signal collector, the signal collector is in communication connection with a data processing host, a control panel is arranged on the surface of the control host, a plurality of control buttons are arranged on the surface of the control panel and used for controlling the high-pressure liquid delivery pump and the sample injection valve, an electronic control module is arranged inside the control host and is in communication connection with the high-pressure liquid delivery pump and the sample injection valve respectively, a communication module is arranged inside the internet terminal, a storage module and a command receiving and sending module are arranged inside the internet terminal, the storage module comprises a storage database, and the communication module is used for information communication between the control host and a client.
The system comprises a control host, a data processing host, a voice input microphone, a voice recognition module, an identity verification program, a command transceiving module and an electronic control module, wherein the control host is internally provided with an information synchronization program, the information synchronization program acquires information of the data processing host and performs synchronous backup, the surface of the control host is provided with the voice input microphone, the voice recognition module is internally provided with the voice recognition module and converts audio information into character information, the client is internally provided with the identity verification program, the identity verification program is a fingerprint verification program, a command generated by the client is in communication connection with the command transceiving module, and.
When the online ion chromatograph and the control system thereof are used for mobile phone control, when the components of the aqueous solution are detected, firstly, the aqueous solution to be detected is injected into the mobile phase container, then, a mobile phone client sends an operation instruction, the instruction information is transmitted to an internet terminal through the internet, a command transceiver module in the internet terminal sends a corresponding instruction to a control host after receiving the information, an electronic control module in the control host is respectively in communication connection with a high-pressure liquid delivery pump and a sample injection valve so as to control the high-pressure liquid delivery pump and the sample injection valve, then, the high-pressure liquid delivery pump delivers the mobile phase to a separation component at a stable flow rate or pressure, a sample is introduced through the sample injection valve before a chromatographic column, the sample is brought into the chromatographic column by the mobile phase, the components in the chromatographic column are separated, and sequentially flow to a conductivity detector along with the mobile phase, the inhibition type ion chromatography is characterized in that an inhibition system is added before a conductivity detector, namely, a regeneration liquid is conveyed to an inhibitor by using another high-pressure liquid conveying pump, the background conductivity of a mobile phase is reduced in the inhibitor, then the effluent is introduced into a conductivity detection cell, and a detected signal is sent to a data processing host to be recorded, processed or stored.
Therefore, display data on the surface of the data processing host can be observed, a processing result can be observed, meanwhile, the control host is in communication connection with the line ion chromatograph body, an information synchronization program is arranged inside the control host, the information synchronization program acquires information of the data processing host and performs synchronous backup, the control host is in communication connection with the internet terminal, the internet terminal transmits the information to the client, an operator can watch a detection result on a mobile phone, and remote detection and control can be performed.
In addition, the existing ion chromatograph does not have a pure water on-line generation mechanism, and pure water is needed to be used in preparation of leacheate and washing of pipelines, and at present, the operation is performed by purchasing the pure water in advance, but the following problems exist: firstly, purified water needs to be prepared in advance every time, which is troublesome and laborious. Secondly, the purchased amount is generally not used up after one-time detection, the rest amount can be stored for a period of time and then used, other impurity ions are mixed due to the problems of poor storage and the like in the storage process, and the subsequent detection is inaccurate. And thirdly, the detection precision of some samples is higher (higher than the conventional standard), so that the requirement on the purified water is higher, and the content of impurity ions in the purchased purified water is not up to the standard, which destroys the detection precision. Furthermore, the existing ion chromatograph requires an operator to be on site, and a long test experiment time consumes a lot of time for the tester.
Further, this online ion chromatograph still includes that the online mechanism of generating of pure water and pipeline wash the mechanism, the online mechanism of generating of pure water is connected with the pipeline wash the mechanism, the online mechanism of generating of pure water includes casing, a cathode membrane, an anode film, first electrode and second electrode, cathode membrane and anode film parallel arrangement are in the casing and separate the cavity of casing for anion absorption district, cation absorption district and processing water overcurrent district, processing water overcurrent district presss from both sides between anion absorption district and cation absorption district, first electrode is connected with the cathode membrane, the second electrode is connected with the anode membrane. Therefore, the purified water can be generated on line, namely the product is produced immediately, and the purchased purified water can be further processed to meet higher detection requirements.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an online ion chromatograph and control system thereof, includes online ion chromatograph body and control system, its characterized in that: the online ion chromatograph body comprises a data processing host, a mobile phase container, a conveying component, a separation component and a detection component, wherein the conveying component conveys mobile phase solution in the mobile phase container into the separation component for ion separation, and the detection component detects the separated mobile phase solution and transmits detection data to the data processing host for processing;
the control system consists of a control host, an internet terminal and a client, wherein the control host is respectively in communication connection with the conveying assembly, the separating assembly and the data processing host; the internet terminal runs on the cloud server and performs information interaction with the control host and the client through a data network; the client is a mobile phone application client and is in communication connection with the control host through an internet terminal.
2. The on-line ion chromatograph and control system thereof of claim 1, wherein: the conveying assembly is composed of a high-pressure liquid conveying pump and a high-pressure pump control board main board, and the high-pressure pump control board is in communication connection with the control host.
3. The on-line ion chromatograph and control system thereof of claim 1, wherein: the separation component comprises injection valve and chromatographic column, the injection valve is installed between the output of conveying component and the input of chromatographic column, the injection valve is the solenoid valve to with main control system electric connection.
4. The on-line ion chromatograph and control system thereof of claim 1, wherein: the detection assembly comprises a suppressor, a conductivity detector and a signal collector, and the signal collector is in communication connection with the data processing host.
5. The on-line ion chromatograph and control system thereof of claim 1, wherein: the surface of main control system is provided with control panel, control panel's surface mounting has a plurality of control button, and a plurality of control button are used for controlling high-pressure liquid delivery pump and injection valve, the inside of main control system is provided with electronic control module, electronic control module is connected with high-pressure liquid delivery pump and injection valve communication respectively.
6. The on-line ion chromatograph and control system thereof of claim 1, wherein: the internet terminal is internally provided with a communication module, a storage module and a command transceiving module, wherein the storage module comprises a storage database, and the communication module is used for information communication between the control host and the client.
7. The on-line ion chromatograph and control system thereof of claim 1, wherein: the voice-frequency data processing system is characterized in that an information synchronization program is arranged in the control host, acquires information of the data processing host and performs synchronous backup, a voice input microphone is arranged on the surface of the control host, and a voice recognition module is arranged in the control host and converts audio information into character information.
8. The on-line ion chromatograph and control system thereof of claim 1 or 6, wherein: an identity authentication program is arranged in the client, the identity authentication program is a fingerprint authentication program, an instruction generated by the client is in communication connection with the command transceiver module, and the command transceiver module is in communication connection with the electronic control module in the control host.
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| CN202110159562.0A CN112730727A (en) | 2021-02-05 | 2021-02-05 | Online ion chromatograph and control system thereof |
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| CN202110159562.0A CN112730727A (en) | 2021-02-05 | 2021-02-05 | Online ion chromatograph and control system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113433258A (en) * | 2021-06-16 | 2021-09-24 | 青岛盛瀚色谱技术有限公司 | Ion chromatograph with multiple working modes |
| CN114218993A (en) * | 2022-02-22 | 2022-03-22 | 华谱科仪(北京)科技有限公司 | Online chromatograph control method and device, storage medium and server |
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| US20200264141A1 (en) * | 2019-02-20 | 2020-08-20 | Waters Technologies Ireland Limited | Real-time peak detection |
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