CN206223757U - The calibrating installation of gas detection alarm - Google Patents
The calibrating installation of gas detection alarm Download PDFInfo
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- CN206223757U CN206223757U CN201621333333.7U CN201621333333U CN206223757U CN 206223757 U CN206223757 U CN 206223757U CN 201621333333 U CN201621333333 U CN 201621333333U CN 206223757 U CN206223757 U CN 206223757U
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Abstract
The utility model discloses a kind of calibrating installation of gas detection alarm, including calibrating installation casing, calibrating installation casing is provided with the total gas circuit of calibrating gas, control circuit, remote control and four calibrating gas branch gas circuits being connected with the total gas circuit of calibrating gas, calibrating mode and changes gas circuit and vacuumize gas circuit, control circuit and the total gas circuit of calibrating gas, four calibrating gas branch gas circuits, calibrating mode change gas circuit and vacuumize the magnetic valve of gas circuit and be connected, each road break-make is controlled, control circuit is provided with remote-control receiving circuit corresponding to remote control.The residual gas that gas circuit can be exported in gas circuit is vacuumized, makes calibrating more accurate.Straighforward operation realizes isolation calibrating in fume hood, it is to avoid indoor gas concentration is superimposed, interferes, and influences the accuracy of verification result, it also avoid injury of the poisonous/pernicious gas to testing person.Calibrating mode changes gas circuit can make the utility model meet the calibrating requirement of two kinds of gas alarms of different operating principle of suction-type and diffusion type.
Description
Technical field
The utility model is related to a kind of calibrating installation, and in particular to a kind of flammable, poisonous, harmful gas detection, alarm device
Calibrating installation.
Background technology
In the industries such as oil, chemical industry, coal, easily there is flammable, poisonous, pernicious gas in operation field, is generally making
Flammable, poisonous, pernicious gas concentration is detected in industry scene using gas detection alarm, to take the precautionary measures in time, keeps away
Exempt from accident generation.
Under normal usage, its sensitivity declines 10%~30% to the sensor of gas alarm naturally every year, its
Life-span is also with regard to 2~5 years.If alarm transducer sensitivity declines, the gas concentration of leakage reaches lower limit and fails and Times
It is alert, great danger will be produced.Therefore, alarm needs regularly to be examined and determine every year, to ensure the standard of its performance and value
It is really reliable.
At present, the most cost of the calibrating installation of the gas alarm of in the market is high, and the cheap calibrating installation of low side is big
There is design defect, its mode of operation is cumbersome, and working costs is laborious more.
Referring to Fig. 1-Fig. 3, existing low side calibrating installation generally include pressure gauge 11 ', flowmeter 12 ', magnetic valve 15 ',
Flow adjustment knob 10 ', calibrating gas output port 8 ', electromagnetic valve switch 9 ', calibrating gas input port 6 ' and outlet
5 ', pressure gauge 11 ', flowmeter 12 ', flow adjustment knob 10 ', calibrating gas output port 8 ' and electromagnetic valve switch 9 ' are arranged at
Front panel 13 ', calibrating gas input port 6 ' and outlet 5 ' are arranged on rear board 7 ', two groups of calibrating gas input ports
6 ', electromagnetic valve switch 9 ', pressure gauge 11 ', flowmeter 12 ', magnetic valve 15 ' constitute two-way detection unit, and pressure gauge 11 ' is used to examine
Storage pressure is surveyed, magnetic valve 15 ' and flowmeter 12 ' are connected with gas cylinder pipeline, break-make and detection real-time streams for controlling gas circuit
Amount, flowmeter 12 ' is connected with calibrating gas output port, and electromagnetic valve switch 9 ' is used to control the break-make of magnetic valve 15 '.
Referring to Fig. 1 and Fig. 4, when using, gas alarm 1 ' is positioned over the side of calibrating installation, gas alarm 1 ' sets
The sensing probe 2 ' for probe gas is equipped with, calibration mask 3 ' is enclosed within sensing probe 2 ' according to calibrating requirement, calibration mask 3 '
One end with a calibration hose 4 ' is connected, and the other end of calibration hose 4 ' is connected with calibrating gas output port 8 ', and gas cylinder 14 ' is put
Calibrating installation side is placed in, the connecting tube of gas cylinder 14 ' is connected with calibrating gas input port 6 '.By instrument power supply power supply to gas
Body alarm 1 ' is powered, and is at working condition.Open the P1 bottles of pressure-reducing valve of (for examining and determine zero point) in gas cylinder 14 ', pressure
Power table 11 ' detects the real-time pressure of gas cylinder 14 ', presses electromagnetic valve switch 9 ', and solenoid valve circuit is to solenoid valve so that
Magnetic valve 15 ' is opened, and P1 bottles of calibrating gas stream in gas cylinder 14 ' is exported through magnetic valve 15 ', flowmeter 12 ', calibrating gas successively
Port 8 ' and calibration hose 4 ' enter calibration mask 3 ', the detection criterion gas of sensing probe 2 ', the reality in the detection gas circuit of flowmeter 12 '
Shi Liuliang, and according to vertification regulation requirement regulation uninterrupted.Operator carries out corresponding operating according to vertification regulation, and operation is completed
Afterwards, electromagnetic valve switch 9 ' is pressed so that magnetic valve 15 ' is closed, the output cut-off of calibrating gas output port 8 '.
P2 bottles in gas cylinder 14 ' is used to examine and determine the error of indication, and operation principle is essentially identical with P1 bottles, unique the difference is that needing
The calibrating gas gas cylinder of replacing various concentrations is needed according to vertification regulation in P2 bottles of gas circuit.
Although existing low side calibrating installation simple structure, cheap, it is cumbersome to change gas cylinder, and is more taking a breath
Frequent operation pressure-reducing valve is needed during bottle, the life-span of pressure-reducing valve is shortened.Meanwhile, the instrument of existing low side calibrating installation is shown
Value reads inconvenience, does not consider the harm of influence and testing person of the indoor residual gas to verification result.
Also functional more perfect high-end calibrating installation, is configured with multistation calibrating and data is located automatically in the market
Reason function, but except cost is high, bulky, it does not consider influence and inspection of the indoor residual gas to verification result substantially yet
The harm of fix the number of workers, although there is ventilation and negative pressure ventilation to design, but come in laboratory, it is impossible to residual gas is thoroughly discharged into room
Outward, and various concentrations calibrating gas conversion and calibrating mode switching it is comparatively laborious.
Therefore, prior art needs a kind of small volume badly, can be put into operation in fume hood, cheap, rational in infrastructure, behaviour
Make easy, the gas alarm calibrating installation of environment-friendly high-efficiency.
Utility model content
The purpose of this utility model is to overcome the shortcomings of that prior art is present, there is provided a kind of rational in infrastructure, small volume,
Operation, the calibrating installation of cheap, easy to operate, environment-friendly high-efficiency gas detection alarm in fume hood can be put into.
The utility model is achieved through the following technical solutions：A kind of calibrating installation of gas detection alarm, including
Calibrating installation casing, the calibrating installation casing is provided with the total gas circuit of calibrating gas, four calibrating gas branch gas circuits, calibrating modes
Conversion gas circuit, vacuumize gas circuit, control circuit and remote control, the total gas circuit of calibrating gas include by pipeline from front to back according to
The flowmeter of secondary connection, calibrating gas output port control magnetic valve and calibrating gas output port, four calibrating gas
Branch gas circuit includes calibrating gas input port and gas cylinder output control magnetic valve, and calibrating gas input port passes through pipeline and gas
The entrance connection of bottle output control magnetic valve, the calibrating gas input port is also connected with pressure gauge, four institutes by pipeline
The outlet for stating the gas cylinder output control magnetic valve of calibrating gas branch gas circuit is connected by pipeline with the entrance of the flowmeter, institute
Stating calibrating mode and changing gas circuit includes mode switching solenoid valve and the side that is connected with the outlet of mode switching solenoid valve by pipeline
Road flowmeter, the entrance of the mode switching solenoid valve is connected by pipeline with the entrance of the flowmeter, described to vacuumize gas
Road include emptying solenoid valve and with the vavuum pump that is connected with the outlet of emptying solenoid valve by pipeline, the emptying solenoid valve enters
Mouth is connected by pipeline with the entrance of the flowmeter, is also connected with the pipeline between the emptying solenoid valve and the flowmeter
There is vacuum meter, the calibrating gas output port control magnetic valve, the gas cylinder output control magnetic valve, the mode switch electricity
Magnet valve, the emptying solenoid valve and the vavuum pump are electrically connected with the control circuit, and the control circuit corresponds to described
Remote control is provided with remote-control receiving circuit.
The residual gas that gas circuit can be exported in gas circuit is vacuumized, makes calibrating more accurate.Straighforward operation realizes ventilation
Isolation calibrating, in fume hood, calibrating environment is detached by residual gas in cupboard, it is to avoid indoor gas concentration is superimposed, and interferes,
The accuracy of verification result is influenceed, injury of the toxic and harmful to testing person is it also avoid.Gas is changed by the mode of examining and determine
Road can make the utility model meet the calibrating requirement of two kinds of gas alarms of different operating principle of suction-type and diffusion type, inspection
Determine mode to change by remote controller operation, it is simple and easy to do.
The front panel of the calibrating installation casing is provided with slide rail, clamping slider, calibration mask and upright alarm support plate,
The clamping slider is connected on the slide rail, and the calibration mask is located at the front side portion of the slide rail, and calibration mask is demarcated by one
Flexible pipe is connected with the calibrating gas output port, and the clamping slider is connected with the calibration hose, the alarm support plate
Positioned at the front side of the calibration mask, the middle part of the alarm support plate correspond to gas alarm sensing probe be provided with it is logical
Hole, the calibration mask is facing each other with the through hole.
During work, gas alarm is positioned over the front panel of calibrating installation casing, the sensing probe of gas alarm is worn
The middle through-hole of alarm support plate is crossed, the hole size of alarm support plate is corresponding with the size of sensing probe, alarm support plate
It is by through hole that gas alarm is spacing.Clamping slider can be slided along slide rail, because it is connected with calibration hose, clamping slider
Calibration mask can be driven to move during slip, such that it is able to adjust the distance of calibration mask and sensing probe, it is met calibrating and required.
The calibrating gas output port is arranged at the front panel of the calibrating installation casing, and four calibrating gas are defeated
Inbound port may be contained within the rear board of the calibrating installation casing.
The beneficial effects of the utility model are：The utility model is rational in infrastructure simple, and small volume can be put into fume hood
Operated with combination remote controller, easy to operate, cheap, environment-friendly high-efficiency.The utility model is used for flammable, poisonous, You Haiqi
The calibrating of alarm is surveyed in physical examination, and its class of accuracy and operation principle meet the requirement of related vertification regulation.
Brief description of the drawings
Fig. 1 is the fundamental diagram of existing low side calibrating installation；
Fig. 2 is the positive structure schematic of existing low side calibrating installation；
Fig. 3 is the structure schematic diagram of existing low side calibrating installation；
Fig. 4 is the connected mode schematic diagram of existing low side calibrating installation and gas alarm；
Fig. 5 is operation principle schematic diagram of the present utility model；
Fig. 6 is positive structure schematic of the present utility model；
Fig. 7 is structure schematic diagram of the present utility model；
Fig. 8 is the structural representation of remote control in the utility model；
Fig. 9 is the structural representation of alarm support plate in the utility model.
In Figs. 1-4：1 '-gas alarm；2 '-sensing probe；3 '-calibration mask；4 '-calibration hose；5 '-power supply is inserted
Mouthful；6 '-calibrating gas input port；7 '-rear board；8 '-calibrating gas output port；9 '-electromagnetic valve switch；10 '-flow is adjusted
Section knob；11 '-pressure gauge；12 '-flowmeter；13 '-front panel；14 '-gas cylinder；15 '-magnetic valve；
In Fig. 5-Fig. 9：1- gas alarms；2- front panels；3- sensing probes；4- calibration masks；5- working conditions are indicated
Lamp；6- calibration hoses；7- modes switch indicator lamp；8- power switches；9- remote control signal receiver windows；10- calibrating gas output ends
Mouthful；11- flow adjustment knobs；12- empties indicator lamp；13- vacuum meters；14- flowmeters；15- slide rails；16- clamping sliders；17-
Pressure gauge；18- alarm support plates；19- calibrating gas input ports；20- outlets；21- rear boards；22- vavuum pumps；23-
Gas cylinder；24- remote controls；25- by-pass gauge；26- alarm support plate top views；Y1~Y4- gas cylinder output control magnetic valves；
Y5- calibrating gas output port controls magnetic valve；Y6- emptying solenoid valves；Y7- mode switching solenoid valves.
Specific embodiment
The utility model is described in detail below in conjunction with accompanying drawing.(by taking flammable gas alarm as an example)
As shown in Figure 5-Figure 7, a kind of calibrating installation of gas detection alarm, including calibrating installation casing, calibrating installation
Casing is provided with the total gas circuit of calibrating gas, four calibrating gas branch gas circuits, calibrating modes and changes gas circuit, vacuumizes gas circuit, control
Circuit and remote control 24, the total gas circuit of calibrating gas include the flowmeter 14, calibrating gas being sequentially connected from front to back by pipeline
Output port controls magnetic valve Y5 and calibrating gas output port 10, and four calibrating gas branch gas circuits include that four calibrating gas are defeated
Inbound port 19 and four gas cylinder output control magnetic valve Y1~Y4, in each branch gas circuit, calibrating gas input port 19 leads to
Cross pipeline to be connected with the entrance of corresponding gas cylinder output control magnetic valve, calibrating gas input port 19 is also connected with pressure by pipeline
Power table 17, four outlets of the gas cylinder output control magnetic valve Y1~Y4 of calibrating gas branch gas circuit are by pipeline and flowmeter 14
Entrance connection, calibrating mode changes gas circuit including mode switching solenoid valve Y7 and by pipeline and mode switching solenoid valve Y7
The by-pass gauge 25 of connection is exported, the entrance of mode switching solenoid valve Y7 is connected with the entrance of flowmeter 14 by pipeline, taken out
Vacuum air-channel include emptying solenoid valve Y6 and with the vavuum pump 22 being connected with the outlet of emptying solenoid valve Y6 by pipeline, empty electric
The entrance of magnet valve Y6 is connected by pipeline with the entrance of flowmeter 14, on the pipeline between emptying solenoid valve Y6 and flowmeter 14 also
It is connected with vacuum meter 13, calibrating gas output port control magnetic valve Y5, gas cylinder output control magnetic valve, mode switching solenoid valve
Y7, emptying solenoid valve Y6 and vavuum pump 22 are electrically connected with control circuit, and control circuit is provided with remote control corresponding to remote control 24
Receiving circuit.
As shown in figure 5, gas cylinder 23 (P1) passes through the pressure-reducing valve for carrying and pipeline is connected with gas cylinder output control magnetic valve Y1,
In parallel with pressure gauge 17, gas cylinder output control magnetic valve Y1 controls the break-make of gas cylinder 23 (P1) gas circuit, the detection gas cylinder of pressure gauge 17
The real-time pressure of 23 (P1) gas circuits.The gas circuit operation principle of gas cylinder 23 (P2~P4) is identical.By the flow for adjusting flowmeter 14
Adjusting knob 11 controls out throughput.The port of export of by-pass gauge 25 is communicated with air, the flow of by-pass gauge 25 according to
Needs can also be adjusted.
As shown in Fig. 6, Fig. 9, the front panel 2 of calibrating installation casing be provided with slide rail 15, clamping slider 16, calibration mask 4 and
Upright alarm support plate 18, clamping slider 16 is connected on slide rail 15, and calibration mask 4 is located at the front side portion of slide rail 15, calibration mask 4
It is connected with calibrating gas output port 10 by a calibration hose 6, clamping slider 16 is connected with calibration hose 6, alarm support plate
18 front sides for being located at calibration mask 4, the middle part of alarm support plate 18 is provided with through hole corresponding to the sensing probe 3 of gas alarm 1,
Calibration mask 4 is facing each other with the through hole.
As shown in Figure 6, Figure 7,18, four pieces of pressure gauges 17 of alarm support plate, calibration mask 4 are provided with front panel 2, demarcate soft
Pipe 6, slide rail 15, clamping slider 16, four road working station indicators 5, flowmeter 14, vacuum meter 13, emptying indicator lamp 12, bypass
Flowmeter 25, mode switches indicator lamp 7, calibrating gas output port 10, remote control signal receiver window 9 and power switch 8.Rear board
21 are provided with four tunnel standard gas entry ports 19 and outlet 20.
As shown in figure 8, remote control 24 sends telecommand, and (instruction is respectively：1~passage of passage 4, emptying operation and mode
Switching), remote-control receiving circuit receives instruction, and magnetic valve Y1~Y7, vavuum pump 22, four tunnel working conditions are referred to by controlling circuit
Show that lamp 5, emptying indicator lamp 12, mode switch indicator lamp 7 and be controlled.
For diffusion type gas alarm, during work, gas alarm 1 is steadily positioned on alarm support plate 18, made
The hole that sensing probe 3 passes through alarm support plate 18, positioned at the lower section of alarm support plate 18, adjustment clamping slider 16 is in slide rail 15
Move up and down, the distance between calibration mask 4 and sensing probe 3 is met calibrating and require, the power supply that instrument power supply circuit is drawn
Line is connected on gas alarm 1, is supplied power for.The pressure-reducing valve of gas cylinder 23 (P1~P4) is opened, observation pressure gauge 17 (four tunnels)
Show value, adjusts the pressure of each pressure-reducing valve, makes the show value of pressure gauge 17 (four tunnels) basically identical and it is met calibrating requirement.
8 are turned on the power switch, makes calibrating installation in running order, now gas cylinder output control magnetic valve Y1~Y4, emptying solenoid valve
Y6, mode switching solenoid valve Y7 are closure state, and calibrating gas output port control magnetic valve (normally opened) Y5 is in open shape
State, gas alarm 1 obtains electric in running order.Now calibrating mode is diffusion type (acquiescence).
" passage 1 " button of remote control 24 is pressed, and remote-control receiving circuit is connected to instruction, gas cylinder is exported by controlling circuit
Control magnetic valve Y1 is opened, and the calibrating gas (for examining and determine zero point) of gas cylinder 23 (P1) is exported by flowmeter 14, calibrating gas
Port controlling magnetic valve (normally opened) Y5, calibration hose 6, in feeding calibration mask 4, adjust flow adjustment knob 11, make real-time traffic
Meet calibrating and require (hereafter without being adjusted to flowmeter 14 again), sensing probe 3 detects the calibrating gas, and operator presses
Corresponding operating is carried out according to vertification regulation.After the completion of operation, " passage 1 " button of remote control 24, gas cylinder output control are pressed again
Magnetic valve Y1 is closed, and now calibration mask 4 is without output.
" passage 2 " button of remote control 24 is pressed, gas cylinder output control magnetic valve Y2 is opened, the Standard Gases of gas cylinder 23 (P2)
Body (for examine and determine the 10% concentration error of indication) by flowmeter 14, calibrating gas output port control magnetic valve (normally opened) Y5,
Calibration hose 6, in feeding calibration mask 4, sensing probe 3 detects the calibrating gas, and operator is carried out accordingly according to vertification regulation
Operation.After the completion of operation, " passage 2 " button of remote control 24 is pressed again, gas cylinder output control magnetic valve Y2 is closed, this markers
Surely cover 4 is without output.
" emptying operation " button of remote control 24 is pressed, calibrating gas output port control magnetic valve (normally opened) Y5 is closed,
Emptying solenoid valve Y6 is opened, and vavuum pump 22 starts, the residual gas in pipeline is detached, in the real-time monitoring pipeline of vacuum meter 13
Negative pressure, reaches " emptying operation " button for pressing remote control 24 after certain negative pressure again, calibrating gas output port control electromagnetism
Valve (normally opened) Y5 is opened, and emptying solenoid valve Y6 is closed, and vavuum pump 22 stops.
" passage 3 " button of remote control 24 is pressed, gas cylinder output control magnetic valve Y3 is opened, the Standard Gases of gas cylinder 23 (P3)
Body (for examine and determine the 40% concentration error of indication) by flowmeter 14, calibrating gas output port control magnetic valve (normally opened) Y5,
Calibration hose 6, in feeding calibration mask 4, sensing probe 3 detects the calibrating gas, and operator is carried out accordingly according to vertification regulation
Operation.After the completion of operation, " passage 3 " button of remote control 24 is pressed again, gas cylinder output control magnetic valve Y3 is closed, this markers
Surely cover 4 is without output.
After carrying out foregoing emptying operation again, the inspection of gas cylinder 23 (P4) (the 60% concentration error of indication) is finally completed
Fixed operation.
For suction-type gas alarm, during work, gas alarm 1 is steadily positioned on alarm support plate 18, made
The hole that sensing probe 3 passes through alarm support plate 18, positioned at the lower section of alarm support plate 18, adjustment clamping slider 16 is in slide rail 15
Move up and down, the distance between calibration mask 4 and sensing probe 3 is met calibrating and require, the power supply that instrument power supply circuit is drawn
Line is connected on gas alarm 1, is supplied power for.The pressure-reducing valve of gas cylinder 23 (P1~P4) is opened, observation pressure gauge 17 (four tunnels)
Show value, adjusts the pressure of each pressure-reducing valve, makes the show value of pressure gauge 17 (four tunnels) basically identical and it is met calibrating requirement.
8 are turned on the power switch, makes calibrating installation in running order, now gas cylinder output control magnetic valve Y1~Y4, emptying solenoid valve
Y6, mode switching solenoid valve Y7 are closure state, and calibrating gas output port control magnetic valve (normally opened) Y5 is in open shape
State, gas alarm 1 obtains electric in running order, while the inner suction pump of gas alarm 1 is started working.Now examine and determine mode
It is diffusion type (acquiescence)." mode switches " button of remote control 24 is pressed, remote-control receiving circuit is connected to instruction, by controlling circuit
Mode switching solenoid valve Y7 is opened, mode is now examined and determine and is switched to suction-type.
" passage 1 " button of remote control 24 is pressed, gas cylinder output control magnetic valve Y1 is opened, the Standard Gases of gas cylinder 23 (P1)
Body (for examining and determine zero point) leads up to flowmeter 14, calibrating gas output port control magnetic valve (normally opened) Y5, calibration hose
6, in feeding calibration mask 4, another road pass-through mode switching solenoid valve Y7, by-pass gauge 25 and atmosphere play bypass and make
With.Adjustment flow adjustment knob 11, makes real-time traffic meet calibrating and requires, by-pass gauge 25 is adjusted afterwards, makes real-time traffic
Meet calibrating and require (hereafter without being adjusted to flowmeter 14 and by-pass gauge 25 again), sensing probe 3 detects the mark
Quasi- gas.Now operator carries out corresponding operating according to vertification regulation.After the completion of operation, " the passage of remote control 24 is pressed again
1 " button, gas cylinder output control magnetic valve Y1 is closed, and now calibration mask 4 is without output.
" passage 2 " button of remote control 24 is pressed, gas cylinder output control magnetic valve Y2 is opened, the Standard Gases of gas cylinder 23 (P2)
Body (for examining and determine the 10% concentration error of indication) leads up to flowmeter 14, calibrating gas output port and controls magnetic valve (normally opened)
Y5, calibration hose 6, in feeding calibration mask 4, another road pass-through mode switching solenoid valve Y7, by-pass gauge 25 and atmosphere,
Sensing probe 3 detects the calibrating gas, and operator carries out corresponding operating according to vertification regulation.After the completion of operation, press again
" passage 2 " button of remote control 24, gas cylinder output control magnetic valve Y2 is closed, and now calibration mask 4 is without output.
" emptying operation " button of remote control 24 is pressed, calibrating gas output port control magnetic valve (normally opened) Y5 is closed,
Emptying solenoid valve Y6 is opened, and mode switching solenoid valve Y7 is closed, and vavuum pump 22 starts, the residual gas in pipeline detached, very
Negative pressure in the real-time monitoring pipeline of empty table 13, reaches " emptying operation " button, mark for pressing remote control 24 after certain negative pressure again
Quasi- gas output end mouthful control magnetic valve Y5 is opened, and emptying solenoid valve Y6 is closed, and mode switching solenoid valve Y7 is opened, vavuum pump 22
Stop.
" passage 3 " button of remote control 24 is pressed, gas cylinder output control magnetic valve Y3 is opened, the Standard Gases of gas cylinder 23 (P3)
Body (for examining and determine the 40% concentration error of indication) leads up to flowmeter 14, calibrating gas output port and controls magnetic valve (normally opened)
Y5, calibration hose 6, in feeding calibration mask 4, another road pass-through mode switching solenoid valve Y7, by-pass gauge 25 and atmosphere,
Sensing probe 3 detects the calibrating gas, and operator carries out corresponding operating according to vertification regulation.After the completion of operation, press again
" passage 3 " button of remote control 24, gas cylinder output control magnetic valve Y3 is closed, and now calibration mask 4 is without output.
After carrying out foregoing emptying operation again, the inspection of gas cylinder 23 (P4) (the 60% concentration error of indication) is finally completed
Fixed operation.
Finally it should be noted that above content is only used to illustrate the technical solution of the utility model, rather than to this practicality
The limitation of novel protected scope, simple modification that one of ordinary skill in the art is carried out to the technical solution of the utility model or
Person's equivalent, all without departing from the spirit and scope of technical solutions of the utility model.
Claims (3)
1. a kind of calibrating installation of gas detection alarm, including calibrating installation casing, it is characterised in that：The calibrating installation case
Body is provided with the total gas circuit of calibrating gas, four calibrating gas branch gas circuits, calibrating modes and changes gas circuit, vacuumizes gas circuit, control electricity
Road and remote control, the total gas circuit of calibrating gas are defeated including passing through flowmeter, calibrating gas that pipeline is sequentially connected from front to back
Exit port controls magnetic valve and calibrating gas output port, and four calibrating gas branch gas circuits include calibrating gas input
Mouth and gas cylinder output control magnetic valve, calibrating gas input port are connected by pipeline with the entrance of gas cylinder output control magnetic valve
Connect, the calibrating gas input port is also connected with pressure gauge by pipeline, and the gas cylinder of four calibrating gas branch gas circuits is defeated
Go out to control the outlet of magnetic valve to be connected with the entrance of the flowmeter by pipeline, the calibrating mode changes gas circuit includes side
Formula switching solenoid valve and the by-pass gauge being connected with the outlet of mode switching solenoid valve by pipeline, the mode switch electromagnetism
The entrance of valve is connected by pipeline with the entrance of the flowmeter, it is described vacuumize gas circuit including emptying solenoid valve and with by pipe
The vavuum pump that road is connected with the outlet of emptying solenoid valve, the entrance of the emptying solenoid valve is entered by pipeline and the flowmeter
Mouth connection, is also associated with vacuum meter, the calibrating gas output on the pipeline between the emptying solenoid valve and the flowmeter
Port controlling magnetic valve, the gas cylinder output control magnetic valve, the mode switching solenoid valve, the emptying solenoid valve and described
Vavuum pump is electrically connected with the control circuit, and the control circuit is provided with remote-control receiving circuit corresponding to the remote control.
2. the calibrating installation of gas detection alarm according to claim 1, it is characterised in that：The calibrating installation casing
Front panel be provided with slide rail, clamping slider, calibration mask and upright alarm support plate, the clamping slider is connected to the cunning
On rail, the calibration mask is located at the front side portion of the slide rail, and calibration mask passes through a calibration hose and the calibrating gas output end
Mouth connection, the clamping slider is connected with the calibration hose, and the alarm support plate is located at the front side of the calibration mask, described
The sensing probe that the middle part of alarm support plate corresponds to gas alarm is provided with through hole, and the calibration mask is with the through hole mutually just
It is right.
3. the calibrating installation of gas detection alarm according to claim 2, it is characterised in that：The calibrating gas output
Port is arranged at the front panel of the calibrating installation casing, and four calibrating gas input ports may be contained within the calibrating dress
Put the rear board of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333333.7U CN206223757U (en) | 2016-11-22 | 2016-11-22 | The calibrating installation of gas detection alarm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333333.7U CN206223757U (en) | 2016-11-22 | 2016-11-22 | The calibrating installation of gas detection alarm |
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| Publication Number | Publication Date |
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| CN206223757U true CN206223757U (en) | 2017-06-06 |
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| CN201621333333.7U Expired - Fee Related CN206223757U (en) | 2016-11-22 | 2016-11-22 | The calibrating installation of gas detection alarm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109201506A (en) * | 2018-09-06 | 2019-01-15 | 汉威科技集团股份有限公司 | Family's report product comprehensive performance intelligence test production line |
| CN109307745A (en) * | 2018-11-16 | 2019-02-05 | 长庆石油勘探局有限公司技术监测中心 | A kind of multistation gas detecting instrument verification machine |
| CN110333273A (en) * | 2019-07-09 | 2019-10-15 | 北京瑞蒙特科技有限公司 | It is a kind of for providing the detection system of calibrating gas for electrochemical sensor |
| CN111007204A (en) * | 2019-12-23 | 2020-04-14 | 中国人民解放军92609部队 | Gas analysis verification equipment |
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2016
- 2016-11-22 CN CN201621333333.7U patent/CN206223757U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107192833A (en) * | 2017-07-11 | 2017-09-22 | 深圳市好美达科技有限公司 | Alcohol content tester calibrating installation and alcohol content tester calibration method |
| CN107192833B (en) * | 2017-07-11 | 2023-12-26 | 深圳市好美达科技有限公司 | Alcohol detector calibrating device and alcohol detector calibrating method |
| CN109201506A (en) * | 2018-09-06 | 2019-01-15 | 汉威科技集团股份有限公司 | Family's report product comprehensive performance intelligence test production line |
| CN109307745A (en) * | 2018-11-16 | 2019-02-05 | 长庆石油勘探局有限公司技术监测中心 | A kind of multistation gas detecting instrument verification machine |
| CN110333273A (en) * | 2019-07-09 | 2019-10-15 | 北京瑞蒙特科技有限公司 | It is a kind of for providing the detection system of calibrating gas for electrochemical sensor |
| CN110333273B (en) * | 2019-07-09 | 2022-04-08 | 北京瑞蒙特科技有限公司 | Detection system for providing standard gas for electrochemical sensor |
| CN111007204A (en) * | 2019-12-23 | 2020-04-14 | 中国人民解放军92609部队 | Gas analysis verification equipment |
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