CN206311561U - A kind of monitoring system - Google Patents

A kind of monitoring system Download PDF

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Publication number
CN206311561U
CN206311561U CN201621455520.2U CN201621455520U CN206311561U CN 206311561 U CN206311561 U CN 206311561U CN 201621455520 U CN201621455520 U CN 201621455520U CN 206311561 U CN206311561 U CN 206311561U
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unit
sample
monitoring system
enrichment
sampling
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CN201621455520.2U
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王本腊
刘德华
文朝阳
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Lihe Technology Hunan Co Ltd
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Lihe Technology Hunan Co Ltd
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Abstract

The utility model discloses a kind of monitoring system, including sampling unit, analytic unit and the unit that keeps sample, the sampling unit is used for the collection of sample, the analytic unit is used for the detection and analysis of sample, the unit that keeps sample is for the retention of sample, the first enrichment unit is provided with the analytic unit, the unit that keeps sample includes the control valve connected with the sampling unit, the second enrichment unit is connected with the control valve, control unit is connected with the control valve, described control unit is used for the control of the control valve make-and-break time.The monitoring system can very convenient operating personnel the treatment that keeps sample is carried out during the on-line monitoring of sample, can provide and sample is analyzed again by other equipment in laboratory for finishing operations personnel with the identical sample that detection process is used, the Monitoring Data of monitoring system can be verified, greatly improve the accuracy of monitoring result.

Description

A kind of monitoring system
Technical field
The utility model is related to a kind of environmental monitoring apparatus, more specifically, more particularly to a kind of monitoring system.
Background technology
In recent years, it is quick, real-time grasp various regions Present Situation of Environmental Quality, many on-line monitorings have been built in all parts of the country successively Correlative environmental factors are monitored on-line by system by online monitoring system, implement significantly more efficient technical supervision, are economical Society provides technical support and service with harmonious development.Online monitoring system is a set of with automatic analytical instrument as core The heart, with sensing technology, automatic measurement technology, automatic control technology, the communication technology, network technology, Computer Applied Technology etc. The complexity synthesis sexual system of composition.Online monitoring system can realize real-time, the dynamic monitoring to environmental key-element, in modern environmental protection body More and more important effect is played in system.Wherein, gas chromatograph is commonly used in online monitoring system for waving A kind of automatic analytical instrument of hair property monitoring organic compoundses.
Gas chromatograph is a kind of instrument that monitoring is analyzed to each component in volatile organic matter.Gas chromatograph General that first analysis sample is gasified in the injection port of gas chromatograph, then gaseous sample brings chromatographic column into by carrier gas, Each component is separated by the chromatographic column that component in pre-monitoring mixture there are different retention properties again, and imports detector successively To obtain the detection signal of each component, finally according to retention time, the component of sample is distinguished and according to peak heights or peak area Calculate each component content.
In the prior art, when being monitored in the organic matter to sample by monitoring system, due to sheet in gasification sample The organic concentration that body contains is generally required beforehand through the enrichment pipe set in gas chromatograph to it often than relatively low In the organic matter that contains carry out absorptive collection, the detection means set on gas chromatograph is again to the organic constituentses in enrichment pipe Thermal desorption is carried out with content.In practical operation, gasification sample by gas chromatograph monitoring after, due to discharge exhaust gas component with Previous gasification sample component is entirely different, therefore very inconvenient operating personnel carry out the treatment that keeps sample, in this way, significantly impacting Finishing operations personnel analyzed sample again in laboratory by other equipment, it is impossible to which the Monitoring Data to monitoring system is entered Row is verified, and significantly impacts the accuracy of monitoring result.
Utility model content
To provide a kind of monitoring system, the monitoring system is set the technical problems to be solved in the utility model by its structure Meter, can very convenient operating personnel the treatment that keeps sample is carried out during the on-line monitoring of sample, can provide makes with monitoring system With identical sample sample is analyzed again by other equipment in laboratory for finishing operations personnel, can be to monitoring system Monitoring Data verified, greatly improve the accuracy of monitoring result.
A kind of monitoring system, including sampling unit, analytic unit and the unit that keeps sample, the sampling unit are used for adopting for sample Collection, the analytic unit is used for the detection and analysis of sample, and the unit that keeps sample sets for the retention of sample in the analytic unit The first enrichment unit is equipped with, the unit that keeps sample includes the control valve connected with the sampling unit, connected on the control valve There is the second enrichment unit, control unit is connected with the control valve, described control unit is used for the control valve make-and-break time Control.
Preferably, the sampling unit includes sampling pump and sampling pipe, and the sampling pump is used for external sample to be detected Pump into sampling pipe.
Preferably, it is connected with first heater on first enrichment unit.
Preferably, it is connected with secondary heating mechanism on second enrichment unit.
Preferably, it is connected with carrier gas input unit on the control valve.
Preferably, it is connected with exhaust collection processing unit on second enrichment unit.
Preferably, second enrichment unit includes the second enrichment unit of at least two parallel connections, each described second richness The entrance point for collecting unit is respectively connected with independent control valve, and each independent described control valve is connected with described control unit.
Preferably, the sampling unit top is provided with rain cover.
The beneficial effects of the utility model are:The monitoring system that the utility model is provided is by its structure design, operation Personnel can carry out the storage that keeps sample, together to identical sample simultaneously when on-line checking is carried out to sample by analytic unit When, by sample injection time section and sample size in control unit control valve make-and-break time and then the second enrichment unit of control, Ensure that the second enrichment unit is identical with the sample size for the treatment of in the first enrichment unit, in this way, being used when can provide with previously detection Identical sample sample is analyzed again by other equipment in laboratory for finishing operations personnel, can to monitoring The Monitoring Data of system is verified, and greatly improves the accuracy of monitoring result.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to the accompanying drawing for providing.
Fig. 1 is a kind of overall structure diagram of monitoring system of the utility model embodiment.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application reality The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation Example is only some embodiments of the present application, rather than whole embodiments.
Based on the embodiment in the application, those of ordinary skill in the art are obtained under the premise of creative work is not made The every other embodiment for obtaining, should all belong to the scope of the application protection.
Referring to Fig. 1, Fig. 1 provides a kind of specific embodiment of monitoring system, wherein, Fig. 1 is the utility model embodiment A kind of overall structure diagram of monitoring system.
As shown in figure 1, the utility model provides a kind of monitoring system, can staying with convenience sample on-line monitoring process Sample, including the sampling unit being made up of sampling pipe 1 and sampling pump 2, analytic unit 3 and the unit 4 that keeps sample.
In the present embodiment, sampling unit includes sampling pipe 1 and sampling pump 2, and sampling pump 2, sampling pump are connected with sampling pipe 1 2 are used to pump external sample to be monitored into sampling pipe 1.Specifically, sampling pipe 1 can preferentially select stainless steel sampling pipe 1, Sampling pump 2 can preferentially select blower fan.Sampling pump 2 can both be connected to the bottom of sampling pipe 1, it is also possible to be connected to the side of sampling pipe 1 Portion.
Analytic unit 3 is used for the detection and analysis of sample, and analytic unit 3 can preferentially select gas chromatograph.
The unit 4 that keeps sample is used for the retention of sample, and for finishing operations, personnel are entered by other equipment in laboratory to sample Row is analyzed again, and the Monitoring Data to monitoring system is verified.
The first enrichment unit 301, the enrichment that the first enrichment unit 301 is used in pattern detection are provided with analytic unit 3.
The unit 4 that keeps sample includes the control valve 401 connected with sampling pipe 1, and the break-make that control valve 401 is used for pipeline is controlled.Control The second enrichment unit 402 is connected with valve processed 401, the second enrichment unit 402 keeps sample for carrying out enrichment to sample.Control valve Control unit 403 is connected with 401, control unit 403 is used to control the control of the make-and-break time of valve 401.Specifically, control valve 401 can select magnetic valve.
In this way, operating personnel to sample by analytic unit 3 when being detected, identical sample can be entered simultaneously The capable storage that keeps sample, by entering in the control make-and-break time of valve 401 of control unit 403 and then the second enrichment unit 402 of control Sample time period and sample size, it is ensured that the second enrichment unit 402 is identical with the sample size for the treatment of in the first enrichment unit 301.
In this programme, the unit 4 that keeps sample can be both arranged on inside analytic unit 3, it is also possible in the outside of analytic unit 3 individually Set.
Generally, the monitoring system that the utility model is provided, being capable of very convenient operator by its structure design Member carries out the treatment that keeps sample during the on-line monitoring of sample, can provide and supply finishing operations with the identical sample that monitoring system is used Personnel are analyzed sample again in laboratory by other equipment, the Monitoring Data of monitoring system can be verified, pole The big accuracy that improve monitoring result.
It is more convenient detection and analysis of the analytic unit 3 to sample, the thermal desorption of convenience sample, the first richness in the present embodiment First heater 6 is connected with collection unit 301.
In the present embodiment, to further facilitate the enrichment of sample, shorten enrichment time, improve accumulation rate, the second enrichment is single Secondary heating mechanism 7 is connected with unit 402.
In the present embodiment, for convenience of the removing of the internal residual sample of the second enrichment unit 402, it is to avoid the intersection sense of sample Dye, carrier gas input unit 8 is connected with control valve 401.Specifically, the carrier gas of the input of carrier gas input unit 8 can select inertia Gas, such as nitrogen.
In the present embodiment, the collection for convenience of sample tail gas after being processed through the second enrichment unit 402 is processed, and prevents it to ring Border is polluted, and exhaust collection processing unit 9 is connected with the second enrichment unit 402.
In the present embodiment, to further facilitate sample different time sections, the control process of the quantity that keeps sample, the second enrichment unit 402 the second enrichment units for including at least two parallel connections, the entrance point of each second enrichment unit is respectively connected with independent Control valve 401, each independent control valve 401 is connected with described control unit 403.Employed in the accompanying drawing that Fig. 1 is provided Three the second enrichment units of parallel connection:The enrichment unit of upper road second, the enrichment unit of Road second, the enrichment unit of lower road second, often Individual second enrichment unit front end is provided with independent control valve 401, three independent front ends of control valve 401 be provided with one it is whole Control valve 401 controls the break-make of overall pipeline.
In this programme, by taking the monitoring system that the utility model Fig. 1 is provided as an example, volatilized in monitoring system monitors air When property organic matter is exceeded, analytic unit 3 is signaled to the unit 4 that keeps sample, and the unit 4 that keeps sample carries out sample monitoring in analytic unit 3 While carry out automatically sample gas enrichment keep sample, in order to the laboratory later stage compare using use.The unit 4 that keeps sample is opened from signal is received Begin, passing sequentially through the enrichment unit of road second, the enrichment unit of Road second, the enrichment unit of lower road second carries out same period richness to sample gas Collection sampling is up to standard until the next monitor value of sample gas, and the enrichment unit of upper road second, the enrichment unit of Road second, lower road second are enriched with list The enrichment time of unit is consistent with each Concentration Sampling time of the first enrichment unit 301 of on-line gas chromatography respectively, such as This, operating personnel can be sampled from scene and take back lab analysis after pollution generation.
When monitoring system no longer needs sampling monitoring, monitoring system can be entered to the sample of remaining in the second enrichment unit Row thermal desorption is easy to keep sample next time, after thermal desorption flow terminates, switching control valve 401, and the input carrier gas of carrier gas input unit 8, according to It is secondary to be passed through the enrichment unit of road second, the enrichment unit of Road second, the enrichment unit of lower road second, it is possible to be passed through the same of carrier gas Shi Yici heats the enrichment unit of road second to improve clearance rate and removing speed.
In the present embodiment, to prevent rainwater from causing sampling pipe 1 to corrode, the top of sampling pipe 1 is provided with rain cover 5.
A kind of monitoring system provided by the utility model is described in detail above.It is used herein specifically individual Example is set forth to principle of the present utility model and implementation method, and the explanation of above example is only intended to help and understands this reality With new method and its core concept.It should be pointed out that for those skilled in the art, not departing from this On the premise of utility model principle, some improvement and modification can also be carried out to the utility model, these are improved and modification also falls Enter in the utility model scope of the claims.

Claims (8)

1. a kind of monitoring system, it is characterised in that including sampling unit, analytic unit and the unit that keeps sample, the sampling unit is used In the collection of sample, the analytic unit is used for the detection and analysis of sample, and the unit that keeps sample is for the retention of sample, described point The first enrichment unit is provided with analysis unit, the unit that keeps sample includes the control valve connected with the sampling unit, the control The second enrichment unit is connected with valve processed, control unit is connected with the control valve, described control unit is used for the control The control of valve make-and-break time.
2. monitoring system according to claim 1, it is characterised in that the sampling unit includes sampling pump and sampling pipe, The sampling pump is used to pump external sample to be detected into sampling pipe.
3. monitoring system according to claim 1, it is characterised in that be connected with the first heating on first enrichment unit Device.
4. monitoring system according to claim 1, it is characterised in that be connected with the second heating on second enrichment unit Device.
5. monitoring system according to claim 1, it is characterised in that be connected with carrier gas input unit on the control valve.
6. monitoring system according to claim 1, it is characterised in that be connected with exhaust collection on second enrichment unit Processing unit.
7. monitoring system according to claim 1, it is characterised in that second enrichment unit includes that at least two is in parallel The second enrichment unit, the entrance point of each second enrichment unit is respectively connected with independent control valve, each independent institute Control valve is stated to be connected with described control unit.
8. monitoring system according to claim 1, it is characterised in that the sampling unit top is provided with rain cover.
CN201621455520.2U 2016-12-28 2016-12-28 A kind of monitoring system Active CN206311561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621455520.2U CN206311561U (en) 2016-12-28 2016-12-28 A kind of monitoring system

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Application Number Priority Date Filing Date Title
CN201621455520.2U CN206311561U (en) 2016-12-28 2016-12-28 A kind of monitoring system

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108508153A (en) * 2018-04-02 2018-09-07 苏州科技大学 A kind of removable outdoor environmental protection detection device
CN113899598A (en) * 2021-09-25 2022-01-07 杭州谱育科技发展有限公司 Atmospheric navigation monitoring system and method
CN114062101A (en) * 2020-07-30 2022-02-18 爱威科技股份有限公司 Sample processing method and device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108508153A (en) * 2018-04-02 2018-09-07 苏州科技大学 A kind of removable outdoor environmental protection detection device
CN114062101A (en) * 2020-07-30 2022-02-18 爱威科技股份有限公司 Sample processing method and device
CN113899598A (en) * 2021-09-25 2022-01-07 杭州谱育科技发展有限公司 Atmospheric navigation monitoring system and method

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