CN208172985U - Mobile gas detects alarm calibrating instrument - Google Patents
Mobile gas detects alarm calibrating instrument Download PDFInfo
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- CN208172985U CN208172985U CN201820538857.2U CN201820538857U CN208172985U CN 208172985 U CN208172985 U CN 208172985U CN 201820538857 U CN201820538857 U CN 201820538857U CN 208172985 U CN208172985 U CN 208172985U
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- Prior art keywords
- gas
- cabinet
- box
- detecting box
- alarm
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Abstract
Mobile gas detects alarm calibrating instrument,Including small handcart,The cabinet being mounted on small handcart,Box house is divided into three layers,The cabinet second layer is equipped with gas tank,Gas tank is connect by gas pipeline with the one end for the spinner flowmeter for being mounted on top of the box,The other end of spinner flowmeter is connected by gas pipeline with the detecting box for being fixed on top of the box,Demarcate Gas cover is equipped in detecting box,Demarcate Gas cover is connect with gas pipeline,Detecting box is connect by pump-line with the vacuum pumping pump for being mounted on cabinet first layer,Vacuum pumping pump is connect by pump-line with the gas sampling bucket for being mounted on cabinet first layer,Cabinet third layer is equipped with electric appliance control box,One end and detector linearly connected,The other end and it is placed on alarm host machine linearly connected on alarm host machine mounting table,External cable line is equipped on the outside of cabinet,Attachment is additionally provided in cabinet.The utility model structure is simple, easy to operate, can use in laboratory but also at the scene.
Description
Technical field
The utility model belongs to stoichiometry instrument field, and specifically a kind of mobile gas detects alarm calibrating instrument.
Background technique
Gas detection alarm is to detect certain gas content and the instrument alarmed in mixed gas, is usually mounted to petroleum
The works such as work, natural gas, coal, mine manufacturing enterprise and any possible generation of storage transport enterprise are toxic, combustible gas leakage
Place.When flammable in working environment or toxic gas leakage concentration reaches the explosion or poisoning alarm critical point of alarm setting
When, gas alarm will issue alarm signal, take the safety measures such as air draft, cutting, spray with prompting (or automatic).
Gas detection alarm is generally divided into two kinds by structure composition, and stationary gas alarm and portable gas detect
Instrument.Wherein stationary gas alarm is also divided into two kinds：One kind is made of host and detector, and host can be placed in duty room
It is interior, and multiple detectors can be connected；Another kind is the detector of off host, and detector comes with digital display and acoustic-optic alarm.
Portable gas detector is hand-held, and staff can be carried around, and detects the gas concentration of different location, portable gas
Detector collection controller, detector are compact and flexible in one.Gas detection alarm presses the difference of gaseous species, the extent of injury,
Flammable gas-detecting alarm device, poisonous and harmful detection alarm etc. can be divided into again.
Gas detection alarm is widely used and extremely important, instrument itself is qualified or not be it is very crucial,
Measurement verification must be carried out according to national legal requirements.In general, being usually complete in laboratory to the calibrating of gas detection alarm
At, some gas detection alarms then need to scene to be detected because of a variety of causes.It is in the advantages of laboratory verification：
Interior has ventilation and various safety devices, and the stainless steel cylinder of loading standard gas does not need to move back and forth.Examine and determine at the scene and
In two kinds of situation, it is detachable that one is detectors, but because of security needs, should not be detached from working region and be sent to metrological service and go
Calibrating；Another kind is that detector is difficult to dismantle or be mounted on very high position, it is necessary to arrive on-site proving.It examines and determine at the scene, at least
Two people are needed to cooperate, a people drags gas tank back and forth, and a people operates.
In addition, either in laboratory, still at the scene, there is also environmental pollutions for the calibrating of gas detection alarm
Hidden danger, i.e., the emission problem of the calibrating gas (flammable and toxic and harmful gas) discharged in calibrating.Currently, few a kind of suitable
Calibrating installation, can be used in laboratory but also at the scene, and effectively solve in verification process exhaust gas it is (flammable and toxic
Pernicious gas) pollution problem that atmosphere may cause.
Summary of the invention
The purpose of this utility model be in view of the above-mentioned problems, propose it is a kind of be both able to satisfy to common gas detect alarm into
Row metering, and the mobile gas detection alarm that environmental pollution caused by exhaust gas discharge in metering process is preferably minimized can be examined
Determine instrument.
To achieve the goals above, the utility model is realized using following technical scheme.According to the utility model proposes
A kind of mobile gas detect alarm calibrating instrument, including small handcart 1, the cabinet 2 being mounted on small handcart 1, in the cabinet 2
Part is three layers, and the cabinet second layer is equipped with gas tank 3, and the gas tank 3 is by gas pipeline 5 and is mounted on 2 top of cabinet
One end of spinner flowmeter 6 connects, and the other end of the spinner flowmeter 6 passes through gas pipeline 5 and the inspection for being fixed on 2 top of cabinet
It surveys cabinet 7 to be connected, Demarcate Gas cover 8 is equipped in the detecting box 7, which connect with 5 end of gas pipeline, the inspection
It surveys cabinet 7 to connect by pump-line 11 with the vacuum pumping pump 12 for being mounted on 2 first layer of cabinet, which passes through exhaust tube
Road (11) is connected to the gas sampling bucket 13 for being mounted on 2 first layer of cabinet, and 2 third layer of cabinet is equipped with electric appliance control box 9,
Detector linearly connected in 9 one end of electric appliance control box and detecting box 7, the other end and is placed on alarm host machine mounting table 10
On alarm host machine linearly connected, the 2 outside side of cabinet is equipped with external cable line 14, is additionally provided in the cabinet 2 attached
Part 15.
To achieve the goals above, the utility model also uses following technical measures to further realize.
Further, the small handcart 1 is equipped with four wheels, and the wheel of front two is universal wheel 101, and rear portion is equipped with handle
Hand 102.
Further, the gas tank 3 is equipped with multiple, and the outlet side of each gas tank 3 is mounted on pressure reducing valve 4.
Further, the gas tank 3 is that diameter is 140mm, is highly the 4L standard aluminium alloy bottle of 500mm.
Further, upper cover is equipped at the top of the detecting box 7, the upper cover is transparent and one end and detecting box 7 are hinged, another
End is detachably connected by lug nut 701 with detecting box 7, and 7 bottom of detecting box and left and right sides offer through-hole,
The cable that bottom through-hole is connect for detector with electric appliance control box 9 passes through, and PATENT left side via is passed through for gas pipeline 5, right side through-hole
It is passed through for pump-line 11.
Further, it is contained in the gas sampling bucket 13 according to the configuration of the chemical characteristic of various criterion gas
Acid, alkali or other solution.
Further, the attachment 15 includes stopwatch and telescopic rod.
The utility model proposes a kind of mobile gas detect alarm calibrating instrument, it is easy to operate, save manpower, reduce
Labor intensity can use in laboratory and use at the scene, using waste gas collection device, realize the exhaust gas of metering process
It collects, on the one hand reduces environmental pollution, on the other hand reduce harm of the gas to human body in verification process, carried using small handcart
Detection part, it is labor-saving while can guarantee and fast and accurately measure again.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the technology of the utility model
Means, and being implemented in accordance with the contents of the specification, and to allow the above and other purpose of the utility model, feature and excellent
Point can be more clearly understood, special below to lift preferred embodiment, and cooperate attached drawing, and detailed description are as follows.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model mobile gas detection alarm calibrating instrument.
【Main element symbol description】
1：Small handcart 101：Universal wheel 102：Handle
2：Cabinet
3：Gas tank
4：Pressure reducing valve
5：Gas pipeline
6：Spinner flowmeter
7：Detecting box 701：Lug nut
8：Demarcate Gas cover
9：Electric appliance control box
10：Alarm host machine mounting table
11：Pump-line
12：Vacuum pumping pump
13：Gas sampling bucket
14：External cable line
15：Attachment
Specific embodiment
Below by specific embodiment and in conjunction with attached drawing, the utility model is further described in detail.
Referring to Fig. 1, the structural schematic diagram of mobile gas detection alarm calibrating instrument, including small handcart 1, cabinet 2, gas
Tank 3, pressure reducing valve 4, gas pipeline 5, spinner flowmeter 6, detecting box 7, Demarcate Gas cover 8, electric appliance control box 9, alarm host machine
Mounting table 10, pump-line 11, vacuum pumping pump 12, gas sampling bucket 13, external cable line 14, attachment 15；
Small handcart 1：For carrying all detection parts and driving all components mobile, small handcart is equipped with four wheels, preceding
Two, portion is universal wheel 101, and there is handle 102 at rear portion, can flexibly push, generally moveable platform.
Cabinet 2：Inside is divided into three layers by demarcation plate, mainly provides the installation site and detection platform of all elements, institute
The top installation of some elements all inside it, the cabinet 2 are mounted on small handcart 1.
Gas tank 3：For the 4L standard aluminium alloy bottle of common diameter 140mm, height 500mm, high voltage standard is mainly provided
Gas, the gas tank 3 set that there are three be installed in the second layer of cabinet 2.
Pressure reducing valve 4：For adjusting the outlet pressure of gas cylinder, it is mounted on the outlet side of gas tank 3.
Gas pipeline 5：The calibrating gas of gas tank 3 is transported to by the air entry of test examination instrument, the outlet of head end and gas tank 3
Mouth connection, tail end is put in detecting box by the aperture of 7 left side of detecting box, and is connect with the Demarcate Gas cover 8 in cabinet.
Spinner flowmeter 6：For adjusting the gas flow exported in gas tank 3, one end passes through gas pipeline 5 and pressure reducing valve 4
It is connected, the other end is communicated by gas pipeline 5 with detecting box 7.
Detecting box 7：The detection place of sealing is provided, guarantee detection calibrating gas used be not discharged into atmosphere pollute or
Person damages people or object, and 7 top of detecting box is provided with transparent and openable upper cover, is conveniently put into detector or portable
Gas detecting instrument；The detecting box 7 is mounted on the top of cabinet 2 by screw, and upper cover one end of detecting box 7 and detecting box 7 are hinged,
The other end is mounted on detecting box 7 by lug nut 701；7 bottom of detecting box offers the through-hole for Gong being routed through, two sides
Face offers the through-hole passed through for pipeline.
Demarcate Gas cover 8：The diffusion air entry (probe of detector) in tested instrument is covered by cover, for ensureing mark
Quasi- gas enters in instrument；The Demarcate Gas cover 8 is located inside detecting box 7, one end and the appendix being located inside detecting box 7
The head end in road 5 connects；There are many different size model numbers for the Demarcate Gas cover 8, can select according to the actual situation.
Electric appliance control box 9：It is made of detection circuit, detector and all connection line of alarm host machine are in electrical equipment control
Connect in case, the detector linearly connected in 9 one end of electric appliance control box and detecting box 7 and is placed on alarm host machine at the other end
Alarm host machine linearly connected on mounting table 10, the route connecting with detector are drawn by the through-hole of 7 bottom end of detecting box, are worn
The through-hole access at 9 top of electric appliance control box is crossed, the route connecting with alarm host machine is worn by the through-hole on 9 right side of electric appliance control box
It is connect out with the alarm host machine being placed on alarm host machine mounting table 10, it is solid when the route connecting with alarm host machine is idle
It is scheduled on alarm host machine mounting table.
Alarm host machine mounting table 10：For the host (control cabinet) of fixedly secured alarm, positioned at the right side of detecting box 7
Side.
Pump-line 11：Exhaust gas after for extracting detection, aperture and detection of the one end by 7 right side of detecting box
It is connected to inside cabinet 7, the other end is connected with aspirator vacuum pump 12.
Aspirator vacuum pump 12：It detaching in gas sampling bucket 13, keeping away for will test the exhaust gas in cabinet 7 and exhaust pipe 11
Exempt from that subsequent calibrating is impacted and polluted the environment.
Gas sampling bucket 13：The calibrating gas given off by calibrating is collected, is contained in bucket according to various criterion gas
Chemical characteristic configuration acid, alkali or other solution, effectively these gases can be absorbed, waste liquid is made by other means
Harmless treatment.
External cable line 14：It connects to power supply, provides power supply to detection part, vacuum pumping pump.
Attachment 15：Including stopwatch and telescopic rod, stopwatch is used for detection instrument responds time, telescopic rod longest extended ten
Rice, for being examined and determine at the scene in higher position and use when detector that personnel can not reach；When needs examine and determine higher detection
When device, telescopic rod end is connect with the gas pipeline 5 that tail end is cased with Demarcate Gas cover 8.
Because gas detection alarm type is more, existing common flammable gas-detecting alarm device, and have it is poisonous and harmful such as
The alarm of the types such as carbon monoxide, hydrogen sulfide, sulfur dioxide, chlorine, formaldehyde and ammonia, the vertification regulation of national regulation is not yet
It is identical, but basic program, step be substantially it is the same, the utility model is able to satisfy metering needs.
Embodiment one
By taking Indoor GND-10 hydrogen sulfide gas alarm as an example, the concrete operations process of the present apparatus is as follows：
According to《JJG 695-2003 hydrogen sulfide gas detector device vertification regulation》Regulation, need concentration be by test examination instrument
The standard hydrogen sulfide gas of range 20%, 50% and 80%, the error of indication, repetition to concentration of SO 2 gas alarm
The projects such as property, response time and alarm setting error are detected, to judge whether the instrument is qualified.
(1) before working, dress is placed on cabinet there are three types of the gas cylinder of the hydrogen sulfide standard gas of various concentration first and is specified
Position, connects pressure reducing valve, and vacuum pump powers on.
(2) turn band ear snail is followed closely, and will test cabinet upper cover opening, is put into detector, connects the line, and ensure detector probe
It socket-connects with Demarcate Gas cover, closes upper cover, and check whether sealing.The host (control cabinet) of hydrogen sulfide alarm to be measured is put
It sets on alarm host machine mounting table, it is by electric appliance control box that host detection device connection is good, and connect host power supply.
(3) pressure reducing valve is opened, flow controller is adjusted, gas is conveyed into detecting box, observes the numerical value of host display
Variation and alert situation.According to vertification regulation, correlation values are measured.When replacing various concentration gas, vacuum suction need to be first opened
Pump, gas in cabinet is retracted in gas sampling bottle.After measurement, air valve is closed, is then turned on several minutes of vacuum pump, directly
It is zero to alarm display numerical value or no longer alarms, i.e., entire detection operation terminates.
Embodiment two
For examining and determine flammable gas-detecting alarm device at the scene, illustrate the application method of the utility model.
(1) it examines and determine at the scene, to the alarm disassembled, first carries out calibrating operation.Due to specifically examining and determine operation and reality
It applies example one unanimously no longer to specifically describe here, now only the detector for being fixed on different location is detected to illustrate user
Method.It since detector is located at eminence therefore can not be placed in detecting box again, not be available vacuum pump and collect exhaust gas, it is only necessary to push away
Motor vehicles bodies are moved to corresponding position normal operating,
(2) air shooter can be changed to 10 meters or longer as needed for being mounted on the detector of higher position
Hose, hose end packages Demarcate Gas cover, and is fixed on telescopic rod one end, convenient for delivery to higher position, and is mounted on
The detector probe of different height socket-connects.
(3) calibrating starts, and opens pressure reducing valve by a people, adjusts flow controller, another people manipulates telescopic rod, by the third party
Display numerical value change and alert situation are observed in control room, according to vertification regulation, measures correlation values, measurement terminates, and closes
Air valve.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Those skilled in the art
Various modifications or additions are done on the basis of the utility model or are substituted in a similar manner, without departing from this reality
With novel structure or beyond the scope defined by this claim, the protection category of the utility model should belong to.
Claims (6)
1. mobile gas detects alarm calibrating instrument, which is characterized in that including：Small handcart (1) is mounted on small handcart (1)
Cabinet (2), is divided into three layers inside the cabinet (2), cabinet (2) second layer is equipped with gas tank (3), which passes through
Gas pipeline (5) is connect with the one end for the spinner flowmeter (6) being mounted at the top of cabinet (2), the spinner flowmeter (6) it is another
End is connected by gas pipeline (5) with the detecting box (7) being fixed at the top of cabinet (2), and Demarcate Gas is equipped in the detecting box (7)
It covers (8), which connect with gas pipeline (5) end, and the detecting box (7) passes through pump-line (11) and peace
Vacuum pumping pump (12) mounted in cabinet (2) first layer connects, and the vacuum pumping pump (12) is by pump-line (11) and is mounted on case
The gas sampling bucket (13) of body (2) first layer connects, and cabinet (2) third layer is equipped with electric appliance control box (9), the electric appliance control
Detector linearly connected in case (9) one end processed and detecting box (7), the other end and is placed on alarm host machine mounting table (10)
Alarm host machine linearly connected, the external side of the cabinet (2) is equipped with external cable line (14), also sets in the cabinet (2)
There are attachment (15).
2. a kind of mobile gas according to claim 1 detects alarm calibrating instrument, it is characterised in that：It is described small to push away
Vehicle (1) is equipped with four wheels, and the wheel of front two is universal wheel (101), and rear portion is equipped with handle (102).
3. mobile gas according to claim 1 detects alarm calibrating instrument, it is characterised in that：The gas tank (3) sets
Have multiple, and the outlet side of each gas tank (3) is mounted on pressure reducing valve (4).
4. mobile gas according to claim 1 detects alarm calibrating instrument, it is characterised in that：The gas tank (3)
It is that diameter is 140mm, is highly the 4L standard aluminium alloy bottle of 500mm.
5. mobile gas according to claim 1 detects alarm calibrating instrument, it is characterised in that：The detecting box
(7) top is equipped with upper cover, the upper cover is transparent and one end and detecting box (7) hingedly, the other end passes through lug nut (701) and detection
Cabinet (7) is detachably connected, and detecting box (7) bottom and left and right sides offer through-hole, bottom through-hole for detector with
The cable of electric appliance control box (9) connection passes through, and PATENT left side via is passed through for gas pipeline (5), and right side through-hole is for pump-line (11)
It passes through.
6. mobile gas according to claim 1 detects alarm calibrating instrument, it is characterised in that：The attachment (15)
Including stopwatch and telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820538857.2U CN208172985U (en) | 2018-04-13 | 2018-04-13 | Mobile gas detects alarm calibrating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820538857.2U CN208172985U (en) | 2018-04-13 | 2018-04-13 | Mobile gas detects alarm calibrating instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208172985U true CN208172985U (en) | 2018-11-30 |
Family
ID=64370813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820538857.2U Expired - Fee Related CN208172985U (en) | 2018-04-13 | 2018-04-13 | Mobile gas detects alarm calibrating instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208172985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308239A (en) * | 2019-04-24 | 2019-10-08 | 中国矿业大学 | A kind of digital display methane transducer calibrating cabinet for machine vision signal acquisition |
| CN115188173A (en) * | 2022-07-04 | 2022-10-14 | 智慧计量检测(海南)有限公司 | Combustible gas alarm calibrating device |
-
2018
- 2018-04-13 CN CN201820538857.2U patent/CN208172985U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308239A (en) * | 2019-04-24 | 2019-10-08 | 中国矿业大学 | A kind of digital display methane transducer calibrating cabinet for machine vision signal acquisition |
| CN115188173A (en) * | 2022-07-04 | 2022-10-14 | 智慧计量检测(海南)有限公司 | Combustible gas alarm calibrating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20200413 |