CN209327301U

CN209327301U - A kind of pico-stations monitor

Info

Publication number: CN209327301U
Application number: CN201821937055.5U
Authority: CN
Inventors: 代波华; 万勇; 丁宏伟
Original assignee: WUHAN YITE ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Current assignee: WUHAN YITE ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Priority date: 2018-11-22
Filing date: 2018-11-22
Publication date: 2019-08-30
Anticipated expiration: 2028-11-22

Abstract

The utility model relates to a kind of pico-stations monitors, including dirt pocket, monitor room, mass flow controller and processor, filter plate is equipped in dirt pocket, dirt pocket is separately connected identical first helix tube of specification and the second helix tube by air inlet pipe and a two-port valve, the bottom of first helix tube and the second helix tube connects an escape pipe jointly, the junction of first helix tube and the second helix tube and escape pipe is respectively equipped with first sensor group and second sensor group, content to associated gas in detection gas, mass flow controller includes air intake, outlet air end and signal end, mass flow controller air intake connects escape pipe, outlet air end connects an aspiration pump, signal end connects processor, realize the two-way communication between processor, to control the stabilization of flow.

Description

A kind of pico-stations monitor

Technical field

The utility model relates to gas monitoring techniques fields, and in particular to a kind of pico-stations monitor.

Background technique

With greatly developing for industry, the atmosphere pollution situation in city is increasingly severe, contamination gas present in atmosphere Body content is also more and more, the serious normal operating operation for affecting people's lives and equipment, it is therefore desirable to Continuously the gas of discharge is monitored on-line, finds the ingredient of polluted gas contained therein, and targetedly handled, When being handled, generally require to confirm the content of the polluter in gas, and need to control the stream of gas Speed, and then reach optimal treatment effect, it is therefore desirable to which a kind of device can effectively solve the above problems.

Utility model content

In view of this, the utility model discloses a kind of pico-stations monitor, the polluter in gas can be detected Content, and effectively control gas flow.

The utility model provides a kind of pico-stations monitor, including dirt pocket, monitoring room, mass flow controller and place Device is managed, the dirt pocket side wall is equipped with an air inlet, and bottom is equipped with a dust removal port, and top is equipped with an exhaust outlet, the dirt pocket Inside be equipped with a filter plate, the filter plate by dedusting chamber inner space be divided into the first chamber being connected to air inlet and dust removal port and The second chamber being connected to exhaust outlet, a two-port valve is equipped at the top center of the monitoring room, and the two-port valve includes mutually interconnecting A logical import and two outlets, the exhaust outlet connects the import by air inlet pipe, and the air inlet pipe is equipped with air intake pump, Two outlets are separately connected identical first helix tube of specification and the second helix tube, first helix tube and the second helix tube Bottom connect an escape pipe, first helix tube and the second helix tube jointly and the junction of escape pipe is respectively equipped with first Sensor group and second sensor group, the mass flow controller include air intake, outlet air end and signal end, the quality stream Amount controller air intake connects the escape pipe, and outlet air end connects an aspiration pump, and signal end connects the processor, realizes and place The two-way communication between device is managed, to control the stabilization of flow.

Further, at least one heater is equipped in the air inlet pipe, to remove the moisture in gas.

Further, the dust removal port is equipped with a detachable end, and when working condition, the end cap is mounted on dust removal port Place, to close the dust removal port.

Further, the processor is at least to be integrated with A/D module, D/A module, single-chip microcontroller, memory and display Development board.

Further, the first sensor group is CO sensor and SO₂Sensor, the second sensor group are NO₂It passes Sensor and O₃Sensor, the first sensor group passes through A/D module with second sensor group respectively and connects single-chip microcontroller, described Memory can store the data of first sensor group and the acquisition of second sensor group, and show over the display.

Further, the mass flow controller includes at least flow sensor, current divider channel and flow control valve, Current divider access portal both ends respectively constitute the air intake and outlet air end, and the flow control valve includes electric control part and position Enforcement division in current divider channel, the electric control part and flow sensor collectively form the signal end, the flow sensing Device connects single-chip microcomputer input by A/D module, and the single-chip microcomputer output connects the electric control part by D/A module, is used for Enforcement division movement is controlled, to open and close the current divider channel.

Further, the monitoring room bottom is equipped with several stabilizer blades at equal intervals.

Technical solution provided by the utility model, which has the benefit that, utilizes identical first helix tube of specification and Two helix tubes can detecte out the content size of a variety of polluted gas in unit volume, and be controlled using mass flow controller The flow velocity of air pointedly provides support to the processing of polluted gas in air to be subsequent, and structure is simple and measurement is accurate, real It is stronger with property.

Detailed description of the invention

Fig. 1 is the structure chart of the utility model pico-stations monitor.

In figure: 1, dirt pocket 101, air inlet 102, dust removal port 103, exhaust outlet 2, monitoring room 3, mass flow control Device 4 processed, processor 5, filter plate 6, two-port valve 7, air inlet pipe 8, air intake pump 9, the first helix tube 10, the second helix tube 11, escape pipe 12, first sensor group 13, second sensor group 14, aspiration pump 15, heater 16, stabilizer blade.

Specific embodiment

It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type embodiment is further described.

Referring to FIG. 1, the embodiments of the present invention disclose a kind of pico-stations monitor, including dirt pocket 1, monitoring room 2, mass flow controller 3 and processor 4,1 side wall of dirt pocket are equipped with an air inlet 101, and bottom is equipped with a dust removal port 102, top is equipped with an exhaust outlet 103, a filter plate 5 is equipped in the dirt pocket 1, the filter plate 5 is for filtering out in gas Dust guarantees the fluency and accuracy of entire monitor gas during the work time；The filter plate 5 is empty by 1 inside of dirt pocket Between be divided into the first chamber being connected to air inlet 101 and dust removal port 102 and the second chamber being connected to exhaust outlet 103, together When an end cap is installed at the dust removal port 102, in normal work usually, the end cap is installed on the dust removal port It being sealed at 102, the dust that the filter plate 5 will filter out obstructs in first chamber, after monitoring terminates, openable end cap Clear up the dust in first chamber.

2 bottom of monitoring room is equipped with several stabilizer blades 16 at equal intervals, is equipped with a two-port valve 6, the two-way at top center Valve 6 includes interconnected an import and two outlets, and the exhaust outlet 103 passes through air inlet pipe 7 and connects the import, and described Air inlet pipe 7 is equipped with air intake pump 8, and the air intake pump 8 can extract the air being discharged from exhaust outlet 103 to two-port valve 6, generally Ground, in order to remove the moisture in air, the air inlet pipe 7 is interior at least provided with a heater 15, for evaporating the water in air Point, meanwhile, the air inlet pipe can be used the corrosion-resistant high molecular material such as Teflon or PP and be made, and efficiently accomplish the dedusting to air With remove water process；Two outlets are separately connected identical first helix tube 9 of specification and the second helix tube 10, and then will be from import The air of entrance is divided into two parts, is discharged into respectively to the first helix tube 9 and the second helix tube 10, particularly, first spiral shell Coil 9 is identical with the specification of the second helix tube 10, i.e., internal diameter, the length of described first helix tube 9 and the second helix tube 10 And shape is all the same, thereby guarantees that the first helix tube 9 and air mass flow in the second helix tube 10 and volume are all the same, guarantees The precision of measurement uses volute design in the present embodiment, and volume size is reduced while being to guarantee duct length；

The bottom of first helix tube 9 and the second helix tube 10 connects an escape pipe 11, first helix tube 9 jointly It is respectively equipped with first sensor group 12 and second sensor group 13 with the junction of the second helix tube 10 and escape pipe 11, for examining The constituent content in gas is surveyed, in the present embodiment, the first sensor group 12 is CO sensor and SO₂Sensor, for examining Survey CO and SO in the first helix tube 9₂Ingredient, the second sensor group 13 be NO₂Sensor and O₃Sensor, for detecting NO in second helix tube 10₂And O₃Ingredient；In actual test, the first sensor group 12 and second sensor group 13 It is extended to H₂S, the sensors such as VOCs, are not limited thereto.

The mass flow controller 3 includes air intake, outlet air end and signal end, the mass flow controller air intake The escape pipe 11 is connected, and outlet air end is connected an aspiration pump 14, the air in escape pipe 11 extracted using aspiration pump 14 Come, signal end connects the processor 4, the two-way communication between processor 4 is realized, to control the stabilization of flow.

Further, the processor 4 is at least to be integrated with A/D module, D/A module, single-chip microcontroller, memory and display Development board, then the first sensor group 12 connects single-chip microcontroller by A/D module respectively with second sensor group 13, described Memory can store the data that first sensor group 12 and second sensor group 13 acquire, and show over the display.

Meanwhile the amount flow controller include at least flow sensor, current divider channel and flow control valve, described point Stream device access portal both ends respectively constitute the air intake and outlet air end, and the flow control valve includes that electric control part and being located at shunts Enforcement division in device channel, the electric control part and flow sensor collectively form the signal end, and the flow sensor passes through A/D module connects single-chip microcomputer input, and the single-chip microcomputer output connects the electric control part by D/A module, holds for controlling Row portion movement, to adjust the flow of air in the current divider channel.

The use process of this monitor are as follows: open air intake pump 8 and extract the air entered from air inlet 101, air is through filter plate 5 After filtering and heater 15 heat, respectively enterd by 6 equivalent of two-port valve to the first helix tube 9 and the second helix tube 10, First sensor group 12 and second sensor group 13 detect the ingredient of air in the first helix tube 9 and the second helix tube 10 simultaneously respectively It is sent in single-chip microcontroller, aspiration pump 14 extracts the air in escape pipe 11, and is measured in escape pipe 11 by mass flow controller 3 Gas flow, by flow sensor measure flow signal it is amplified is transmitted in single-chip microcontroller, and with set in single-chip microcontroller Fixed voltage value is compared, and enforcement division movement is controlled finally by difference between the two, adjusts air in escape pipe 11 Flow.

Specific embodiment described in the utility model is only to give an example to the spirit of the present invention.This is practical Novel person of ordinary skill in the field can make various modifications or additions to the described embodiments or adopt It is substituted with similar mode, but without departing from the spirit of the present application or surmounts model defined in the appended claims It encloses.

In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims

1. a kind of pico-stations monitor, including dirt pocket, monitoring room, mass flow controller and processor, it is characterised in that: institute Dirt pocket side wall is stated equipped with an air inlet, bottom is equipped with a dust removal port, and top is equipped with an exhaust outlet, is equipped with one in the dirt pocket Dedusting chamber inner space is divided into the first chamber being connected to air inlet and dust removal port and and exhaust outlet by filter plate, the filter plate The second chamber of connection, is equipped with a two-port valve at the top center of the monitoring room, the two-port valve include interconnected one into Mouth and two outlets, the exhaust outlet connects the import by air inlet pipe, and the air inlet pipe is equipped with air intake pump, described in two out Mouth is separately connected identical first helix tube of specification and the second helix tube, and the bottom of first helix tube and the second helix tube is total First sensor group is respectively equipped with the junction for connecting an escape pipe, first helix tube and the second helix tube and escape pipe With second sensor group, the mass flow controller includes air intake, outlet air end and signal end, the mass flow controller Air intake connects the escape pipe, and outlet air end connects an aspiration pump, and signal end connects the processor, realizes between processor Two-way communication, to control the stabilization of flow.

2. a kind of pico-stations monitor according to claim 1, it is characterised in that: add in the air inlet pipe equipped at least one Hot device, to remove the moisture in gas.

3. a kind of pico-stations monitor according to claim 1, it is characterised in that: the dust removal port is equipped with a dismountable end Lid, when working condition, the end cap is mounted at dust removal port, to close the dust removal port.

4. a kind of pico-stations monitor according to claim 1, it is characterised in that: the processor is at least to be integrated with A/D Module, D/A module, single-chip microcontroller, memory and display development board.

5. a kind of pico-stations monitor according to claim 4, it is characterised in that: the first sensor group is CO sensor And SO₂Sensor, the second sensor group are NO₂Sensor and O₃Sensor, the first sensor group and second sensor Group respectively by A/D module connect single-chip microcontroller, the memory can store first sensor group and second sensor group acquisition Data, and show over the display.

6. a kind of pico-stations monitor according to claim 4, it is characterised in that: the mass flow controller includes at least Flow sensor, current divider channel and flow control valve, current divider access portal both ends respectively constitute the air intake and Outlet air end, the flow control valve include electric control part and the enforcement division in current divider channel, and the electric control part and flow pass Sensor collectively forms the signal end, and the flow sensor connects single-chip microcomputer input by A/D module, and the single-chip microcontroller is defeated Outlet connects the electric control part by D/A module, for controlling enforcement division movement, to open and close the current divider channel.

7. any one of -6 a kind of pico-stations monitor according to claim 1, it is characterised in that: between described monitoring room bottom etc. Every equipped with several stabilizer blades.