CN101634574B - Valve control air Roots flowmeter and valve control air Roots flow metering box comprising same - Google Patents
Valve control air Roots flowmeter and valve control air Roots flow metering box comprising same Download PDFInfo
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- CN101634574B CN101634574B CN2009101020514A CN200910102051A CN101634574B CN 101634574 B CN101634574 B CN 101634574B CN 2009101020514 A CN2009101020514 A CN 2009101020514A CN 200910102051 A CN200910102051 A CN 200910102051A CN 101634574 B CN101634574 B CN 101634574B
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Abstract
The present invention relates to a valve control air Roots flowmeter with a built-in valve and a valve control air Roots flow metering box comprising the valve control air Roots flowmeter. The valve control air Roots flow metering box comprises a box body, wherein an air inlet pipe is communicated with an inlet of a filter; an outlet of the filter is communicated with an inlet of the air Roots flowmeter by a connecting pipe; an outlet of the air Roots flowmeter is communicated with an inlet of an air outlet pipe; a pressure gage is installed on the connecting pipe, and the air Roots flowmeter is connected with a controller by flow data through a data line; a valve for controlling the flow of the air Roots flowmeter is arranged in the air Roots flowmeter; and the valve is connected with an output end of a signal of the controller by the data line and controls the flow, the opening and the closing of the valve by the controller. The invention has the advantages that the design of the built-in valve of the air Roots flowmeter has compact integral structure, is difficult to destroy by persons and has good control effect; the wireless remote transfer control is realized, and the reliability and the safety of the metering of a gas metering box are greatly improved.
Description
Technical field
The present invention relates to a kind of valve control gas roots flowmeter valve-embedded in flowmeter and reach, belong to flow and take into account flowmeter control box manufacturing field by its valve control gas roots flowmeter measuring tank that constitutes.
Background technology
All Granted publication CN100478653C of the applicant, title " gauging box of Roots gas flowmeter ", be positioned at the filtrator gas outlet of casing and Roots and show air intake opening and be communicated with by connecting leg, the air intake opening of filtrator and Roots show the gas outlet and are communicated with and the interface of valve inlet, outlet is positioned at outside the casing gas outlet of the air intake opening by valve and filtrator and Roots's table respectively.Its weak point: the one, valve is external manual structure, can't realize wireless remote transmission control; The 2nd, under abnomal condition, can't realize closing gas circuit automatically, there is potential safety hazard.
Summary of the invention
Purpose of design: avoid the weak point in the background technology, design a kind of wireless remote transmission of can either realizing and control, can under abnomal condition, realize that the valve control gas roots flowmeter of closing gas circuit automatically reaches by its valve control gas roots flowmeter measuring tank that constitutes again.
Design proposal: in order to realize above-mentioned purpose of design.1, gas roots flowmeter is built-in with valve and is used for the design of pilot-gas rotz flowmeter flow size, is one of technical characterictic of the present invention.The purpose of doing like this is: the one, can realize that the stepping by-pass valve control of control is built in the gas roots flowmeter automatically, compact conformation not only, and be not subject to artificial destruction, the more important thing is instruction that it can send according to controller Open valve or valve-off reliably.2, adopting the design of the wireless remote transmission valve control gas roots flowmeter measuring tank of valve control gas roots flowmeter formation, is two of technical characterictic of the present invention.Such purpose is: the one, when combustion gas is popped one's head in detected combustable gas concentration when surpassing setting value, controller directly cuts out by the valve in the data line instruction valve control rotz flowmeter, when combustion gas is popped one's head in detected combustable gas concentration when being lower than setting value, controller is by the valve opening in the data line instruction valve control rotz flowmeter, but, when the detected once more combustable gas concentration of combustion gas probe surpasses setting value, controller directly cuts out and Locking valve by the valve in the data line instruction valve control rotz flowmeter, overhaul until operating personnel, after resetting, valve in the valve control rotz flowmeter normal operating conditions of being allowed for access, realize double insurance metering air feed, fundamentally guaranteed the reliability and the security of the metering of gas metering case.When (2) earthquake magnitude that detects when inductive probe surpasses setting value, controller directly cuts out by the valve in the signal wire instruction valve control rotz flowmeter, after earthquake magnitude is eliminated, after operating personnel's maintenance, resetting, valve in the valve control rotz flowmeter normal operating conditions of being allowed for access, when having guaranteed that earthquake takes place, the reliability and the security of the metering of back combustion gas batch meter take place.When (3) discharge pressure that detects pipe interior when the pressure transducer in the built-in gas roots flowmeter is higher than setting value, signal can be passed to the IC-card display controller, the IC-card display controller in time will close valve signal and pass to valve-embedded, gas supply is in time closed and cut off to valve, avoided leakage that causes because of discharge pressure is too high and the phenomenon that upstream device is caused damage owing to hypertonia.
Technical scheme 1: valve control gas roots flowmeter, it comprises gas roots flowmeter, described gas roots flowmeter is built-in with valve and is used for the flow size and the open and close of pilot-gas rotz flowmeter.
Technical scheme 2: the wireless remote transmission valve control gas roots flowmeter measuring tank that constitutes by valve control gas roots flowmeter, it comprises casing, draft tube is communicated with filter inlet, filter outlet is communicated with the gas roots flowmeter import by connecting pipe, the gas roots flowmeter outlet is communicated with the escape pipe import, and tensimeter is installed on the connecting pipe, gas roots flowmeter by data on flows by data line to controller, described gas roots flowmeter is built-in with the valve that is used for pilot-gas rotz flowmeter flow, and valve is connected with the signal output part of controller by data line and the big or small or pass by the flow of controller by-pass valve control, or open.
Technical scheme 3: the control method of the wireless remote transmission valve control gas roots flowmeter measuring tank that constitutes by valve control gas roots flowmeter, it comprises IC-card identification, flow data collector and processing, (1) pops one's head in detected combustable gas concentration when surpassing setting value when combustion gas, controller directly cuts out by the valve in the data line instruction valve control rotz flowmeter, when combustion gas is popped one's head in detected combustable gas concentration when being lower than setting value, controller is by the valve opening in the data line instruction valve control rotz flowmeter, but, when the detected once more combustable gas concentration of combustion gas probe surpasses setting value, controller directly cuts out and Locking valve by the valve in the data line instruction valve control rotz flowmeter, overhaul until operating personnel, after resetting, the normal operating conditions of being allowed for access of the valve in the valve control rotz flowmeter; Or (2) earthquake magnitude of detecting when inductive probe is when surpassing setting value, controller directly cuts out by the valve in the signal wire instruction valve control rotz flowmeter, after earthquake magnitude is eliminated, after operating personnel's maintenance, resetting, the normal operating conditions of being allowed for access of the valve in the valve control rotz flowmeter; Or (3) when detected combustable gas concentration is lower than setting value, and controller is by the valve opening in the data line instruction valve control rotz flowmeter; Or the discharge pressure that detects pipe interior of the built-in pressure transducer in the gas roots flowmeter in (4) casing is when being higher than setting value, signal can be passed to the IC-card display controller, the IC-card display controller in time will close valve signal and pass to valve-embedded, gas supply is in time closed and cut off to valve, avoided leakage that causes because of discharge pressure is too high and the phenomenon that upstream device is caused damage owing to hypertonia.Or (5) any data line in valve, combustion gas leakage alarm, sense shake device, gas roots flowmeter cut off, and the valve dead electricity is closed automatically.
The present invention compares with background technology, and the one, the built-in valvular design of gas roots flowmeter, compact overall structure not only, and be difficult for being controlled effective by artificial destruction; The 2nd, realized wireless remote transmission control, greatly improved the reliability and the security of gas metering case metering.
Description of drawings
Fig. 1 is the structural representation of gas roots flowmeter.
Fig. 2 is the structural representation of valve control gas roots flowmeter measuring tank.
Fig. 3 is a wireless remote transmission valve control gas roots flowmeter measuring tank control method block diagram.
Embodiment
Embodiment 1: with reference to accompanying drawing 1.Valve control gas roots flowmeter, it comprises gas roots flowmeter 5, described gas roots flowmeter 5 is built-in with valve 6 and is used for the flow size of pilot-gas rotz flowmeter 5, that is to say, in gas roots flowmeter 5 inflow points stepping by-pass valve control 6 is installed, the data line that is used for control step valve 6 is drawn by gas roots flowmeter 5 upper end covers, and this stepping valve 6 is charged unlatching, the design of outage automatic close-type.Described gas roots flowmeter can substitute with gas turbine meter.Described valve 6 is controlled its flow size and open and close for the step motor control valve and by control line 13 by controller.
Embodiment 2: with reference to accompanying drawing 2 and 3.The wireless remote transmission valve control gas roots flowmeter measuring tank that constitutes by valve control gas roots flowmeter, it comprises casing, draft tube is communicated with filtrator 1 import, filtrator 1 outlet is communicated with gas roots flowmeter 5 imports by connecting pipe 4, gas roots flowmeter 5 outlets are communicated with the escape pipe import, and tensimeter 2 is installed on the connecting pipe 4, gas roots flowmeter 5 by data on flows by data line to controller, described gas roots flowmeter 5 is built-in with the valve 6 that is used for pilot-gas rotz flowmeter flow, and valve 6 is connected with the signal output part of controller 10 by data line and the big or small or pass by the flow of controller by-pass valve control 6, or open.Described casing is built-in with combustion gas leakage alarm 8 and is connected with controller 10 signal input parts by data line, and directly drives the valve 6 in buzzer warning and the shut-off valve control rotz flowmeter.The built-in thoughts of described casing are shaken device 7 and are connected by the signal input part of data line with controller 10, and controller 10 opens or closes according to the valve 6 in the earthquake magnitude information command valve control rotz flowmeter of being gathered.Described controller is the IC-card display controller, controller is installed on the casing shop front, and controller can show the remaining sum (or surplus) in operating mode, mark condition cumulative flow value, instantaneous delivery value, temperature value, force value and the IC-card of gas roots flowmeter and the opening and closing state of valve.Have IC-card card inserting mouth and battery compartment on the display controller, when battery electric quantity is not enough, can display alarm remind the user in time to change battery, in order to avoid valve cuts off automatically because of electric weight is not enough.Maybe when Sorry, your ticket has not enough value in the card, can display alarm remind the user in time to supplement with money, in order to avoid valve cuts off automatically because of Sorry, your ticket has not enough value.All data in the optional logic encryption card of the IC-card of adapted, CPU card (e-credit), the non-contact card, controller can adopt the wireless remote transmission mode, need not cabling and both can realize data remote.This valve embedding structure and flow show and the structure of control one has realized real integrated design, make its design level reach a new height.11 are the case lock, and 12 is the tensimeter view window.
Embodiment 4: the control method of the wireless remote transmission valve control gas roots flowmeter measuring tank that is made of valve control gas roots flowmeter, it comprises IC-card identification, flow data collector and processing, (1) pops one's head in detected combustable gas concentration when surpassing setting value when combustion gas, controller directly cuts out by the valve 6 in the data line instruction valve control rotz flowmeter, when combustion gas is popped one's head in detected combustable gas concentration when being lower than setting value, controller is opened by the valve in the data line instruction valve control rotz flowmeter 6, but, when the detected once more combustable gas concentration of combustion gas probe surpasses setting value, controller directly cuts out and Locking valve 6 by the valve 6 in the data line instruction valve control rotz flowmeter, overhaul until operating personnel, after resetting, the normal operating conditions of being allowed for access of the valve 6 in the valve control gas roots flowmeter; Or (2) earthquake magnitude of detecting when inductive probe is when surpassing setting value, controller directly cuts out by the valve 6 in the signal wire instruction valve control rotz flowmeter, after earthquake magnitude is eliminated, after operating personnel's maintenance, resetting, the normal operating conditions of being allowed for access of the valve 6 in the valve control rotz flowmeter; Or (3) when detected combustable gas concentration is lower than setting value, and controller is opened by the valve in the data line instruction valve control rotz flowmeter 6.Or the discharge pressure that detects pipe interior of the built-in pressure transducers 9 in the gas roots flowmeter 5 in (4) casing is when being higher than setting value, signal can be passed to the IC-card display controller, the IC-card display controller in time will close valve signal and pass to valve-embedded, gas supply is in time closed and cut off to valve, avoided leakage that causes because of discharge pressure is too high and the phenomenon that upstream device is caused damage owing to hypertonia.Or (5) any data line in valve 6, combustion gas leakage alarm 8, sense shake device 7, gas roots flowmeter 5 cut off, and valve 6 dead electricity are closed automatically.
Above-mentioned functions both can make separately, also can organize full use, and the mode of combination is decided because of needs.
What need understand is: though the foregoing description is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just mentality of designing simple text of the present invention is described; rather than to the restriction of mentality of designing of the present invention; any combination, increase or modification that does not exceed in the mentality of designing of the present invention all falls within the scope of protection of the present invention.
Claims (3)
1. wireless remote transmission valve control gas roots flowmeter measuring tank that constitutes by valve control gas roots flowmeter, it comprises casing, draft tube is communicated with filter inlet, filter outlet is communicated with the gas roots flowmeter import by connecting pipe, the gas roots flowmeter outlet is communicated with the escape pipe import, and tensimeter is installed on the connecting pipe, gas roots flowmeter reaches controller with data on flows by data line, it is characterized in that: described gas roots flowmeter is built-in with the valve that is used for pilot-gas rotz flowmeter flow, and valve is connected with the signal output part of controller by data line and the big or small or pass by the flow of controller by-pass valve control, or open; Described casing is built-in with the combustion gas leakage alarm, sense shake device, the combustion gas leakage alarm is connected with the controller signals input end by data line, and directly drive the valve in buzzer warning and the shut-off valve control rotz flowmeter, sense shake device is connected with the signal input part of controller by data line, controller opens or closes according to the valve in the earthquake magnitude information command valve control rotz flowmeter of being gathered, built-in pressure transducer in the gas roots flowmeter is connected with the signal input part of controller by data line, controller opens or closes according to the valve in the pressure information instruction valve control rotz flowmeter of being gathered: (1) pops one's head in detected combustable gas concentration when surpassing setting value when combustion gas, controller directly cuts out by the valve in the data line instruction valve control rotz flowmeter, when combustion gas is popped one's head in detected combustable gas concentration when being lower than setting value, controller is by the valve opening in the data line instruction valve control rotz flowmeter, but, when the detected once more combustable gas concentration of combustion gas probe surpasses setting value, controller directly cuts out and Locking valve by the valve in the data line instruction valve control rotz flowmeter, overhaul until operating personnel, after resetting, the normal operating conditions of being allowed for access of the valve in the valve control rotz flowmeter;
Or (2) earthquake magnitude of detecting when inductive probe is when surpassing setting value, controller directly cuts out by the valve in the signal wire instruction valve control rotz flowmeter, after earthquake magnitude is eliminated, after operating personnel's maintenance, resetting, the normal operating conditions of being allowed for access of the valve in the valve control rotz flowmeter;
Or (3) pop one's head in detected combustable gas concentration when being lower than setting value when combustion gas, and controller is by the valve opening in the data line instruction valve control rotz flowmeter;
Or the discharge pressure that detects pipe interior of the built-in pressure transducer in the gas roots flowmeter in (4) casing is when being higher than setting value, signal can be passed to the IC-card display controller, the IC-card display controller in time will close valve signal and pass to valve-embedded, gas supply is in time closed and cut off to valve, avoided leakage that causes because of discharge pressure is too high and the phenomenon that upstream device is caused damage owing to hypertonia;
Or (5) any data line in valve, combustion gas leakage alarm, sense shake device, gas roots flowmeter cut off, and the valve dead electricity is closed automatically.
2. the wireless remote transmission valve control waist wheel gas meter measuring tank that is made of valve control gas roots flowmeter according to claim 1, it is characterized in that: described controller is the IC-card display controller.
3. the wireless remote transmission valve control waist wheel gas meter measuring tank that is made of valve control gas roots flowmeter according to claim 1, it is characterized in that: described gas roots flowmeter can substitute with gas turbine meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101020514A CN101634574B (en) | 2009-08-24 | 2009-08-24 | Valve control air Roots flowmeter and valve control air Roots flow metering box comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101020514A CN101634574B (en) | 2009-08-24 | 2009-08-24 | Valve control air Roots flowmeter and valve control air Roots flow metering box comprising same |
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| Publication Number | Publication Date |
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| CN101634574A CN101634574A (en) | 2010-01-27 |
| CN101634574B true CN101634574B (en) | 2011-12-14 |
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| CN2009101020514A Active CN101634574B (en) | 2009-08-24 | 2009-08-24 | Valve control air Roots flowmeter and valve control air Roots flow metering box comprising same |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323395A (en) * | 2015-07-02 | 2017-01-11 | 中国石油化工股份有限公司 | Gas metering device |
| CN106017592A (en) * | 2016-07-27 | 2016-10-12 | 天津市迅尔仪表科技有限公司 | Integrated Roots type flowmeter with gas leakage detection function |
| CN108931273B (en) * | 2018-07-26 | 2020-04-17 | 合肥精大仪表股份有限公司 | Roots flowmeter |
| CN110672173A (en) * | 2019-10-09 | 2020-01-10 | 东台市竹林高科技材料有限公司 | Intelligent gas waist wheel flowmeter and use method thereof |
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2009
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| CN1272623A (en) * | 2000-06-14 | 2000-11-08 | 北京三金智能仪表有限公司 | Measuring and controlling method of gas meter and its device |
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| CN101425220A (en) * | 2007-10-29 | 2009-05-06 | 吉林市曼博科技有限公司 | Intelligent telemetering gas meter based on wireless sensor network |
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