CN109342366A - A kind of gas diffusion case - Google Patents
A kind of gas diffusion case Download PDFInfo
- Publication number
- CN109342366A CN109342366A CN201811373506.1A CN201811373506A CN109342366A CN 109342366 A CN109342366 A CN 109342366A CN 201811373506 A CN201811373506 A CN 201811373506A CN 109342366 A CN109342366 A CN 109342366A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- plate
- gas diffusion
- buffer board
- case according
- 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.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 title claims abstract description 32
- 238000007747 plating Methods 0.000 claims abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000003245 coal Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004164 analytical calibration Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/127—Calibration; base line adjustment; drift compensation
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Sampling And Sample Adjustment (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of gas diffusion casees, including cabinet, the case lid that is sealingly mounted at cabinet upper end entrance, the buffer board being symmetrically mounted in cabinet in left and right sidewall, it is mounted on horizontally disposed mounting plate on cabinet inner bottom plating, several installations fixed plate on a mounting board and is mounted on the intracorporal pressure gauge of case, supporting plate and several groups are installed in each fixed plate and match positioning device for fixing part to be measured with supporting plate, power connection is installed, all power connections are connected to power supply by conducting wire in the fixed plate below each positioning device of face；Correspondence is sealed and installed with left suction nozzle and right suction nozzle in the left and right sidewall of the cabinet；Several through-holes being evenly arranged are offered on the buffer board.The present invention can be used for examining and determine optical gas detector or detect the stability of Portable Gas Detector, improves the uniformity and stability of test gas in cabinet, can know the intracorporal pressure value of case in real time.
Description
Technical field
The present invention relates to a kind of gas diffusion casees, belong to diffusion chamber technical field.
Background technique
Gas diffusion case is for gauge check mechanism, and coal mine safety apparatus measuring station (room) is examined and determine interference of light principle methane and surveyed
Determine the special purpose test equipment that performance checking is diffused when device.It mainly utilizes gas natural diffuseness principle, simulates underground coal mine
Environment, pressure energy autobalance while methane concentration is constant in holding case inside and outside case, detection system that energization aging is mining
The various gas sensors and various detection alarms of upper institute's band.But existing gas diffusion case exists as follows in use
Problem: the uniformity and stability of test gas are to be improved in cabinet；There is no pressure-display device on cabinet, it is unclear that cabinet
Interior pressure condition, when maloperation, safety is poor.
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides a kind of gas diffusion casees, can be used for examining and determine optics watt
This comparator or the stability for detecting Portable Gas Detector, can be improved the uniformity and stability of test gas in cabinet；
The intracorporal pressure value of case can be known in real time.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of gas diffusion case, including cabinet, sealing
It is mounted on the case lid of cabinet upper end entrance, the buffer board being symmetrically mounted in cabinet in left and right sidewall, is mounted on bottom in cabinet
Horizontally disposed mounting plate on plate, several installations fixed plate on a mounting board and it is mounted on the intracorporal pressure gauge of case, each
Supporting plate and several groups are installed in the fixed plate and match positioning device for fixing part to be measured, the fixed plate with supporting plate
Power connection is installed below the upper each positioning device of face, all power connections are connected to power supply by conducting wire；It is described
Correspondence is sealed and installed with left suction nozzle and right suction nozzle in the left and right sidewall of cabinet；Several are offered on the buffer board uniformly
The through-hole of arrangement.
Preferably, it there are four the buffer boards, is arranged symmetrically in cabinet two-by-two, close to the ruler of the buffer board of cabinet wall
The very little size for being greater than the buffer board far from cabinet wall, the diameter of through-hole is less than far from cabinet on the buffer board of cabinet wall
The diameter of through-hole on the buffer board of inner wall.
Preferably, pressurizer is installed on the cabinet.
Preferably, the positioning device, which includes two, to be L along fixed plate movably limit plate, the limit plate
Type folded plate, the section of the supporting plate are L shape；The limit plate is vertically arranged with supporting plate.
Preferably, several U-shaped locating pieces can be movably installed on the supporting plate.
Preferably, the sliding slot of left and right arrangement is offered in the fixed plate, is offered on the limit plate and is matched with sliding slot
The sliding part of conjunction.
Preferably, further include mobile device for shifting entire diffusion chamber, the mobile device includes pedestal and installation
Telescopic bar in pedestal side offers the U-type groove for installing diffusion chamber, the bottom of the U-type groove on the pedestal
Equipped with several reset springs, the left and right sides of the U-type groove symmetrically opens up fluted, and spring is disposed in groove, spring
End is equipped with hemispherical locating piece.
Preferably, timer is also equipped on the cabinet, the timer is mounted on cabinet by bracket.
Preferably, exhaust cap is sealed and installed on the case lid.
Preferably, the material of the cabinet, case lid, buffer board, mounting plate and fixed plate is organic glass.
Compared with prior art, the present invention is by the cooperations of all parts, can be used for examining and determine optical gas detector or
Detect the stability of Portable Gas Detector；The setting of buffer board and through-hole can form buffer layer, reduce the gas of test gas
Flow velocity is slowly into test gas uniformly in cabinet, to improve the uniformity and stability of test gas in cabinet；
Adding for pressure gauge can facilitate user to know the intracorporal pressure value of case in real time, take different arrange according to specific pressure condition
It applies.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is another structural schematic diagram of the invention.
Specific embodiment
Clear, complete to describe, described implementation is carried out to the technical solution in present invention implementation with reference to the accompanying drawing
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
As depicted in figs. 1 and 2, a kind of gas diffusion case provided in an embodiment of the present invention, including cabinet 1, be sealingly mounted at
The case lid 7 of 1 upper end entrance of cabinet is symmetrically mounted on buffer board 3 in cabinet 1 in left and right sidewall, is mounted on 1 inner bottom plating of cabinet
Upper horizontally disposed mounting plate 11, several fixed plates being mounted on mounting plate 11 10 and the pressure gauge being mounted in cabinet 1
8, supporting plate 12 and several groups are installed in each fixed plate 10 and match positioning dress for fixing part to be measured with supporting plate 12
13 are set, the lower section of each positioning device 13 of face is equipped with power connection 14 in the fixed plate 10, and all power connections 14 are
It is connect by conducting wire with power supply 2；Correspondence is sealed and installed with left suction nozzle 4 and right suction nozzle 9 in the left and right sidewall of the cabinet 1；
Several through-holes being evenly arranged are offered on the buffer board 3.The setting of buffer board 3 and through-hole can form buffer layer, reduce
The gas velocity of test gas, is slowly into test gas uniformly in cabinet.Wherein, the bottom of cabinet is additionally provided with sink.Pressure
Adding for power table can facilitate user to know the intracorporal pressure value of case in real time, and different measures is taken according to specific pressure condition.
In order to improve accuracy, the pressure gauge can have multiple, such as two, be arranged symmetrically in cabinet 1.Wherein, the buffering
Plate 3 can be slab construction, be also possible to Curved plate structure, when using curved slab, buffering effect more preferably,
Preferably, it there are four the buffer boards 3, is arranged symmetrically in cabinet 1 two-by-two, close to the buffer board of 1 inner wall of cabinet
Size be greater than the size of the buffer board far from 1 inner wall of cabinet, the diameter of through-hole is less than remote on the buffer board of 1 inner wall of cabinet
The diameter of through-hole on buffer board from 1 inner wall of cabinet.The left and right sides is respectively arranged there are two buffer board 3 in cabinet 1, and two buffer
The setting of 3 size of plate and through-hole can further improve the gas velocity of test gas, make test gas is more uniform to be slowly into
In cabinet 1.Certainly, two ipsilateral buffer boards 3 can be arranged in parallel, and can also report to the leadship after accomplishing a task arrangement in X-type, be able to achieve its buffering
Effect.
Preferably, pressurizer is installed on the cabinet 1.
Preferably, the positioning device 13 include two can be along the movably limit plate of fixed plate 10, the limit
Plate is L-type folded plate, and the section of the supporting plate 12 is L shape；The limit plate is vertically arranged with supporting plate 12.In each positioning device 13
Two limit plates can be adjusted according to the width of part to be measured, to realize the positioning to different parts to be measured.
Preferably, several U-shaped locating pieces can be movably installed on the supporting plate 12.Adding for U-shaped locating piece can
Further part to be measured is positioned.Moreover, U-shaped locating piece can move left and right, the convenient tune for carrying out position according to actual needs
It is whole.
Preferably, the sliding slot of left and right arrangement is offered in the fixed plate 10, is offered and sliding slot phase on the limit plate
The sliding part of cooperation.The setting of sliding slot and sliding part realizes movement of the limit plate in fixed plate 10, wherein the sliding slot can
To be T-slot, the sliding part can be the T-type protrusion matched with T-slot, and structure is simple, easy to process.
Preferably, as shown in Fig. 2, may also include the mobile device for shifting entire diffusion chamber, the mobile device packet
Pedestal 15 and the telescopic bar 18 for being mounted on 15 side of pedestal are included, the U for installing diffusion chamber is offered on the pedestal 15
Type groove, the bottom of the U-type groove are equipped with several reset springs 16, the left and right sides of the U-type groove symmetrically open up it is fluted, it is recessed
Spring is disposed in slot, the end of spring is equipped with hemispherical locating piece.Wherein, the bottom of pedestal 15 is mountable universal wheel
17。
Preferably, timer 5 is also equipped on the cabinet 1, the timer 5 is mounted on cabinet 1 by bracket.
Preferably, exhaust cap 6 is sealed and installed on the case lid 7.
Preferably, the material of the cabinet, case lid, buffer board, mounting plate and fixed plate is organic glass.
In use, spreading it sufficiently the methane gas for being passed through standard in cabinet 1, underground coal mine environment is simulated, can be examined
Determine optical gas detector or detects the stability of Portable Gas Detector, specific as follows:
A, optical gas detector is detected
The one third of water to sink height is injected in cabinet sink；Detected optical gas detector is put into diffusion
In case；The steel cylinder of built-in 2.0-2.5% methane is connected with pressure reducing valve, flowmeter, sebific duct with the suction nozzle on the left of diffusion chamber, case
On the right side of body outside gas nozzle external rubber pipe pass-out room；Steel cylinder high pressure valve is opened, adjusting pressure reducing valve to flow is 400ml/min, after five minutes
Close height pressure valve；Gas nozzle at left and right sides of diffusion chamber is connected with sebific duct；In outdoor opening diffusion chamber after eight hours, quilt is taken out
The optics gas assessor of inspection reads indicating value.
B, the stability of Portable Gas Detector is detected
It first will test instrument calibration, be then placed in work (the same A of operating procedure) eight hours in the diffusion chamber of ventilation, take out measurement
The elementary error of detector.Recalibration, only charging are not put into work in diffusion chamber daily, repeat 15 days, see that it is missed substantially later
Whether difference exceeds international coverage.
In conclusion cooperation of the present invention by all parts, can be used for examining and determine optical gas detector or detection is portable
The stability of formula gas detector；The setting of buffer board and through-hole can form buffer layer, reduce the gas velocity of test gas, make to try
It tests gas to be uniformly slowly into cabinet, to improve the uniformity and stability of test gas in cabinet；Pressure gauge
Adding can facilitate user to know the intracorporal pressure value of case in real time, and different measures is taken according to specific pressure condition.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit and essential characteristics of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, only for clarity, those skilled in the art should incite somebody to action this narrating mode of specification
As a whole, the technical solutions in the various embodiments may also be suitably combined for specification, and forming those skilled in the art can
With the other embodiments of understanding.
Claims (10)
1. a kind of gas diffusion case, which is characterized in that including cabinet (1), be sealingly mounted at the case lid of cabinet (1) upper end entrance
(7), the buffer board (3) that is symmetrically mounted in cabinet (1) interior left and right sidewall, be mounted on it is horizontally disposed on cabinet (1) inner bottom plating
Mounting plate (11), several fixed plates (10) being mounted on mounting plate (11) and the pressure gauge (8) being mounted in cabinet (1),
Supporting plate (12) and several groups are installed on each fixed plate (10) to match with supporting plate (12) for fixing determining for part to be measured
Position device (13) is equipped with power connection (14) below each positioning device of face (13) on the fixed plate (10), owns
Power connection (14) is connect by conducting wire with power supply (2)；In the left and right sidewall of the cabinet (1) it is corresponding be sealed and installed with it is left into
Gas nozzle (4) and right suction nozzle (9)；Several through-holes being evenly arranged are offered on the buffer board (3).
2. a kind of gas diffusion case according to claim 1, which is characterized in that there are four the buffer boards (3), right two-by-two
Title is arranged in cabinet (1), and the size close to the buffer board of cabinet (1) inner wall is greater than the buffer board far from cabinet (1) inner wall
Size, close to cabinet (1) inner wall buffer board on through-hole diameter be less than far from cabinet (1) inner wall buffer board on through-hole it is straight
Diameter.
3. a kind of gas diffusion case according to claim 1, which is characterized in that it is flat to be equipped with pressure on the cabinet (1)
Weighing apparatus.
4. a kind of gas diffusion case according to claim 1, which is characterized in that the positioning device (13) includes two energy
Enough along fixed plate (10), movably limit plate, the limit plate are L-type folded plate, and the section of the supporting plate (12) is L shape；Institute
Limit plate is stated vertically to arrange with supporting plate (12).
5. a kind of gas diffusion case according to claim 5, which is characterized in that can movably pacify on the supporting plate (12)
Equipped with several U-shaped locating pieces.
6. a kind of gas diffusion case according to claim 5, which is characterized in that offer left and right on the fixed plate (10)
The sliding slot of arrangement offers the sliding part matched with sliding slot on the limit plate.
7. a kind of gas diffusion case according to claim 1, which is characterized in that further include for shifting entire diffusion chamber
Mobile device, the mobile device include pedestal (15) and the telescopic bar (18) for being mounted on pedestal (15) side, the bottom
The U-type groove for installing diffusion chamber is offered on seat (15), the bottom of the U-type groove is equipped with several reset springs (16), institute
The left and right sides for stating U-type groove symmetrically opens up fluted, is disposed with spring in groove, the end of spring is equipped with hemispherical positioning
Block.
8. a kind of gas diffusion case according to claim 1, which is characterized in that be also equipped with timing on the cabinet (1)
Device (5), the timer (5) are mounted on cabinet (1) by bracket.
9. a kind of gas diffusion case according to claim 1, which is characterized in that the row of being sealed and installed on the case lid (7)
Gas lid (6).
10. a kind of gas diffusion case according to claim 1, which is characterized in that the cabinet (1), case lid (7), buffering
The material of plate (3), mounting plate (11) and fixed plate (10) is organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811373506.1A CN109342366B (en) | 2018-11-16 | 2018-11-16 | Gas diffusion box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811373506.1A CN109342366B (en) | 2018-11-16 | 2018-11-16 | Gas diffusion box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109342366A true CN109342366A (en) | 2019-02-15 |
| CN109342366B CN109342366B (en) | 2023-12-19 |
Family
ID=65316055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811373506.1A Active CN109342366B (en) | 2018-11-16 | 2018-11-16 | Gas diffusion box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109342366B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204461827U (en) * | 2015-01-14 | 2015-07-08 | 郑州广众科技发展有限公司 | A kind of air compressor machine integrated gas vasculum |
| CN205774928U (en) * | 2016-06-01 | 2016-12-07 | 温州隆润科技有限公司 | High-temperature diffusion equipment for silicon wafer |
| CN207689208U (en) * | 2017-12-14 | 2018-08-03 | 上海莱帝科技有限公司 | A kind of universal gas collection device of diffusion type stationary gas detector |
| CN209198314U (en) * | 2018-11-16 | 2019-08-02 | 徐州江煤科技有限公司 | A kind of gas diffusion case |
-
2018
- 2018-11-16 CN CN201811373506.1A patent/CN109342366B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204461827U (en) * | 2015-01-14 | 2015-07-08 | 郑州广众科技发展有限公司 | A kind of air compressor machine integrated gas vasculum |
| CN205774928U (en) * | 2016-06-01 | 2016-12-07 | 温州隆润科技有限公司 | High-temperature diffusion equipment for silicon wafer |
| CN207689208U (en) * | 2017-12-14 | 2018-08-03 | 上海莱帝科技有限公司 | A kind of universal gas collection device of diffusion type stationary gas detector |
| CN209198314U (en) * | 2018-11-16 | 2019-08-02 | 徐州江煤科技有限公司 | A kind of gas diffusion case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109342366B (en) | 2023-12-19 |
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