CN208171956U - Calibrating installation for gas detecting instrument calibrating - Google Patents

Calibrating installation for gas detecting instrument calibrating Download PDF

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Publication number
CN208171956U
CN208171956U CN201820803598.1U CN201820803598U CN208171956U CN 208171956 U CN208171956 U CN 208171956U CN 201820803598 U CN201820803598 U CN 201820803598U CN 208171956 U CN208171956 U CN 208171956U
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CN
China
Prior art keywords
main body
sealed compartment
calibrating
compartment main
gas detecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820803598.1U
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Chinese (zh)
Inventor
周中木
王龙
刘颖
王耀弘
张静
胡德龙
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Chongqing Academy of Metrology and Quality Inspection
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Chongqing Academy of Metrology and Quality Inspection
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Publication date
Application filed by Chongqing Academy of Metrology and Quality Inspection filed Critical Chongqing Academy of Metrology and Quality Inspection
Priority to CN201820803598.1U priority Critical patent/CN208171956U/en
Application granted granted Critical
Publication of CN208171956U publication Critical patent/CN208171956U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of calibrating installations for gas detecting instrument calibrating, including hollow sealed compartment main body, sealed compartment main body connects vacuum pump and pressure regulating mechanism, sealed compartment main body is additionally provided with intake valve, sealed compartment main body is equipped with sealing hatch door to be opened/closed and examines and determine in order to which gas detecting instrument to be put into sealed compartment main body, and several transparent windows are fixed in sealed compartment main body for observing gas detecting instrument reading;Several supporters are additionally provided in sealed compartment main body so that for placing gas detecting instrument, supporter and transparent windows are oppositely arranged and are fixed in sealed compartment main body inner wall so that the reading display screen for the gas detecting instrument being placed on supporter can be towards transparent windows consequently facilitating observed reading.The utility model, which eliminates conventional calibrating gas, need to specially be arranged the process that calibrating interface is exported and connect with gas detecting instrument, and simple structure is compact;It can be put into multiple gas detecting instruments simultaneously to examine and determine together, improve calibrating efficiency.

Description

Calibrating installation for gas detecting instrument calibrating
Technical field
The utility model belongs in physics class the technical field for measuring or testing, and in particular to one kind is used for gas detecting instrument The calibrating installation of calibrating.
Background technique
Gas detecting instrument is a kind of instrument and meter tool of gas leakage Concentration Testing, can detect and shows tested gas Composition and content.Whether its measurement result is accurate after a period of use for gas detecting instrument, and special instrument is needed to carry out it Calibrating, usually periodically send as required to have calibrating qualification unit implement, using manual method, a calibrating gas be passed through into The calibrating of the corresponding gas detecting instrument of row, can only separate unit examined and determine one by one, low efficiency, large labor intensity, calibrating gas Consuming it is also larger.In order to improve accuracy used in everyday, some portable gas detectors in the market are also equipped with inspection Determine corollary apparatus, has the input of multichannel calibrating gas and 3~5 calibrating interface outputs, 3~5 gas detecting instruments can be completed It examines and determine simultaneously, after first carrying out self-test to gas detecting instrument with detection matching device, reuses gas detecting instrument examinations to mention High accuracy, but there is still a need for the connection of calibrating interface output and gas detecting instrument, it is more troublesome;As disclosed in CN204789519U Formaldehyde gas detector calibrating installation and system be also need standard gas cylinders being connected to gas detecting instrument to examine and determine, and Can only separate unit examined and determine one by one, connection is complicated, and calibrating efficiency is not high;Apparatus for calibrating gas instrument disclosed in CN101251405A Closing calibrating room is related to, but the calibrating object of the device is gas flowmeter, principle and gas detecting instrument have essence not Together, the technical issues of verification process is not related to inputting calibrating gas into the operation of tested locking equipment yet, solution is also how to lower Noise pollution and the error that temperature change is brought how is reduced, does not relate to how to simplify Standard Gases output and gas detecting instrument The problem of connecting, and how saving calibrating gas dosage.
Summary of the invention
For the above-mentioned deficiency of the prior art, the technical problem to be solved by the present invention is to provide one kind to examine for gas The calibrating installation for surveying instrument calibrating avoids calibrating installation connection complicated, and it is simpler tight to obtain construction for the low problem of calibrating efficiency It gathers, improve calibrating efficiency and saves the effect of calibrating gas dosage.
In order to solve the above technical problems, the utility model adopts the following technical solution:
For the calibrating installation of gas detecting instrument calibrating, including hollow sealed compartment main body, the sealed compartment main body connection Vacuum pump, the sealed compartment main body are also connected with pressure regulating mechanism, and the sealed compartment main body is additionally provided with intake valve, the sealed compartment Main body is equipped with sealing hatch door to be opened/closed and examines and determine in order to which gas detecting instrument to be put into sealed compartment main body, the sealing Transparent windows are fixed in the main body of cabin with the reading for observing gas detecting instrument.
The calibrating installation of the utility model is in use, calibrating gas is passed through from intake valve, and pressure regulating mechanism is for putting Gas, overflow or release are atmospheric value needed for calibrating to keep pressure in cabin, and accredited gas detecting instrument is put into sealed compartment Implement calibrating in main body, eliminates conventional calibrating gas calibrating interface need to be specially set and export and connect with gas detecting instrument Process, connection is simpler, constructs compact;Particularly, it can be put into multiple gas detecting instruments simultaneously to examine and determine together, substantially increases inspection Determine efficiency;It when needing replacing calibrating gas type, is first evacuated using vacuum pump, then accesses new calibrating gas, avoid making It is rinsed with calibrating gas and substitutes gas in cabin, achieve the purpose that save calibrating gas dosage.In order to reduce manufacturing cost, this reality With it is novel be to be arranged transparent windows to observe the reading of gas detecting instrument in sealed compartment main body, certainly, transparent windows with it is close The installation engagement of batten down main body is also seal request, when implementation, entire sealed compartment main body can also be used transparent material system It makes to substitute transparent windows observed reading.
Above-mentioned technical proposal is further improved, several supporters are equipped in the sealed compartment main body for placing gas inspection Instrument is surveyed, the quantity of the transparent windows is also several, and the supporter and transparent windows are oppositely arranged and are fixed on institute It states on the inner wall of sealed compartment main body so that the reading display screen for the gas detecting instrument being placed on supporter can be towards transparent observing Window is consequently facilitating observed reading.
In this way, be convenient while being put into, examining and determine multiple gas detecting instruments and be convenient for observation, supporter is fixed on sealed compartment master On the inner wall of body, the variation of its position not will cause when placing multiple gas detecting instruments, and make the gas being placed on supporter The reading display screen of body detector is towards transparent windows so that the calibrating reading of gas detecting instrument is more convenient from out of my cabin. According to the actual size of transparent windows, supporter and transparent windows can be one-to-one correspondence, be also possible to one it is biggish Transparent windows are relatively set with a few be set with racks, and the utility model is not specifically limited.
It further, further include several groups Standard Gases input tank, every group of Standard Gases input tank includes a kind of calibrating gas High concentration inputs tank, middle concentration input tank and low concentration and inputs tank, the intake valve quantity and standard that the sealed compartment main body is equipped with The group number that gas inputs tank is corresponding, and the high concentration input tank of any one group of Standard Gases input tank, middle concentration inputs tank and low concentration is defeated Enter tank and pass through switch valve respectively to be connected on four-way and connect with an intake valve by the four-way, one group of Standard Gases input tank It is correspondingly connected with an intake valve.
Compared with prior art, the utility model has the advantages that:
1, the calibrating installation of the utility model eliminate conventional calibrating gas need to specially be arranged calibrating interface output and with The process of gas detecting instrument connection, connection is simpler, constructs compact;Internal gas is replaced using the method vacuumized, saves mark Quasi- gas usage.
2, the sealed compartment main body of the utility model can be put into multiple gas detecting instruments simultaneously and examine and determine together, substantially increase inspection Determine efficiency.
3, it is reliable and stable that gas detecting instrument is placed in the sealed compartment main body of the utility model, calibrating reading observation is convenient.
4, the calibrating installation of the utility model is also particularly suitable the big calibrating unit of verification task amount, by various Standard Gases Body typical concentrations input tank connects in advance with sealed compartment main body, and when calibrating first vacuumizes, then corresponds to and be passed through required concentration standard Gas further increases calibrating efficiency, reduces testing person, device requirement.
Detailed description of the invention
Structural schematic diagram of Fig. 1-specific embodiment for the calibrating installation of gas detecting instrument calibrating;
The structural schematic diagram of Fig. 2-specific embodiment sealed compartment main body;
The structural schematic diagram of the inner sidewall connection supporter of Fig. 3-specific embodiment sealed compartment main body;
Wherein, sealed compartment main body 1 seals hatch door 11, transparent windows 12, supporter 13, vacuum pump 2, vacuum separation valve 21, pressure-regulating valve 3, pressure gauge 31, intake valve 4, high concentration inputs tank 5, and middle concentration inputs tank 6, and low concentration inputs tank 7, opens Close valve 8, four-way 9.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Referring to fig. 2, Fig. 3, the calibrating installation for gas detecting instrument calibrating of specific embodiment, including hollow sealed compartment Main body 1, the sealed compartment main body 1 connect vacuum pump 2 by vacuum separation valve 21, and the sealed compartment main body 1 is also connected with pressure tune Mechanism is saved, pressure regulating mechanism includes pressure gauge 31 and pressure-regulating valve 3, and the sealed compartment main body 1 is additionally provided with intake valve 4, institute Sealed compartment main body 1 is stated to carry out equipped with sealing hatch door 11 to be opened/closed in order to which gas detecting instrument to be put into sealed compartment main body 1 It examines and determine and multiple gas detecting instruments can be put into simultaneously and examine and determine together, be fixed with several transparent observings in the sealed compartment main body 1 Window 12 is with the reading for observing gas detecting instrument;Several supporters 13 are additionally provided in the sealed compartment main body 1 for placing Gas detecting instrument, the supporter 13 are oppositely arranged and are fixed on the inner wall of the sealed compartment main body 1 with transparent windows 12 So that the reading display screen for the gas detecting instrument being placed on supporter 13 can make to observe gas towards transparent windows 12 The calibrating reading of detector is more convenient.
In use, several accredited gas detecting instruments are put on the supporter 13 in sealed compartment main body 1, and make its reading Display screen closes sealing hatch door 11, after vacuum pump 2 vacuumizes, calibrating gas is led to from intake valve 4 towards transparent windows 12 Enter, implements calibrating;Adjusting pressure regulating mechanism and being used to keep pressure in cabin is atmospheric value needed for calibrating;As it can be seen that embodiment Calibrating installation eliminate conventional calibrating gas calibrating interface need to be specially set and export and the process that is connect with gas detecting instrument, Construction is more simple and compact, and can examine and determine multiple gas detecting instruments simultaneously, improves calibrating efficiency;Using the method replacement vacuumized Internal gas has saved calibrating gas dosage.
Referring to Fig. 1, Fig. 2, wherein the present embodiment further includes three groups of Standard Gases input tanks, and first group of Standard Gases inputs tank packet The high concentration input tank 5, middle concentration input tank 6 and low concentration input tank 7 of oxygen are included, second group of Standard Gases input tank includes vulcanization High concentration input tank 5, middle concentration input tank 6 and the low concentration of hydrogen input tank 7, and it includes carbon monoxide that third group Standard Gases, which input tank, High concentration input tank 5, middle concentration input tank 6 and low concentration input tank 7, sealed compartment main body 1 is set there are three intake valve 4, arbitrarily High concentration input tank 5, middle concentration input tank 6 and the low concentration input tank 7 of one group of Standard Gases input tank are connected by switch valve 8 respectively It is connected on four-way 9 and is connect by the four-way 9 with an intake valve 4, one group of Standard Gases input tank is correspondingly connected with by four-way 9 One intake valve 4.In use, first vacuumize, then the corresponding corresponding calibrating gas for being passed through required concentration implements calibrating, into One step improves calibrating efficiency.When implementation, need to increase such as ozone, sulfur dioxide, ammonia, nitric oxide according to calibrating Deng Standard Gases input tank, it is corresponding increase sealed compartment main body 1 on intake valve 4 be attached.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (3)

1. for the calibrating installation of gas detecting instrument calibrating, including hollow sealed compartment main body(1), the sealed compartment main body(1) Connect vacuum pump(2), the sealed compartment main body(1)It is also connected with pressure regulating mechanism, the sealed compartment main body(1)It is additionally provided with air inlet Valve(4), it is characterised in that:The sealed compartment main body(1)It is equipped with sealing hatch door to be opened/closed(11)In order to by gas detection Instrument is put into sealed compartment main body(1)It is inside examined and determine, the sealed compartment main body(1)On be fixed with transparent windows(12)To be used for Observe the reading of gas detecting instrument.
2. the calibrating installation for gas detecting instrument calibrating according to claim 1, it is characterised in that:The sealed compartment main body (1)It is interior to be equipped with several supporters(13)For placing gas detecting instrument, the transparent windows(12)Quantity be also several It is a, the supporter(13)With transparent windows(12)It is oppositely arranged and is fixed on the sealed compartment main body(1)Inner wall on Make to be placed in supporter(13)On the reading display screen of gas detecting instrument can be towards transparent windows(12)Consequently facilitating observation Reading.
3. the calibrating installation according to claim 1 or claim 2 for gas detecting instrument calibrating, it is characterised in that:It further include several Group Standard Gases input tank, and every group of Standard Gases input tank includes a kind of high concentration input tank of calibrating gas(5), middle concentration input tank (6)Tank is inputted with low concentration(7), the sealed compartment main body(1)The intake valve being equipped with(4)The group number of quantity and Standard Gases input tank Corresponding, the high concentration of any one group of Standard Gases input tank inputs tank(5), middle concentration input tank(6)Tank is inputted with low concentration(7)Point Switch valve is not passed through(8)It is connected to four-way(9)It goes up and passes through the four-way(9)With an intake valve(4)Connection, one group of Standard Gases Input tank is correspondingly connected with an intake valve(4).
CN201820803598.1U 2018-05-28 2018-05-28 Calibrating installation for gas detecting instrument calibrating Expired - Fee Related CN208171956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820803598.1U CN208171956U (en) 2018-05-28 2018-05-28 Calibrating installation for gas detecting instrument calibrating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820803598.1U CN208171956U (en) 2018-05-28 2018-05-28 Calibrating installation for gas detecting instrument calibrating

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Publication Number Publication Date
CN208171956U true CN208171956U (en) 2018-11-30

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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Granted publication date: 20181130