CN209624524U - A kind of four core caliberating devices - Google Patents
A kind of four core caliberating devices Download PDFInfo
- Publication number
- CN209624524U CN209624524U CN201822237337.0U CN201822237337U CN209624524U CN 209624524 U CN209624524 U CN 209624524U CN 201822237337 U CN201822237337 U CN 201822237337U CN 209624524 U CN209624524 U CN 209624524U
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- Prior art keywords
- calibration
- upper cover
- lower cover
- cover
- core
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Abstract
The utility model discloses a kind of four core caliberating devices, including calibration mask；It is characterized by: the calibration mask includes calibration upper cover and calibration lower cover, calibration upper cover bottom surface connection calibration lower cover top surface；Demarcating upper cover bottom surface is in shrinkage pool structure, and calibration lower cover top surface is in boss structure, and the shrinkage pool structure and boss structure are corresponding；Bulge-structure is equipped with inside the calibration upper cover, bulge-structure is surrounded by detection hole；It is equipped with air inlet at the calibration lower cover center, demarcates between lower cover and calibration upper cover and is equipped with test chamber；It demarcates upper cover side and is equipped with gas vent.The utility model eliminates the wild effect of four kinds of sensors of calibration, can not only reach the calibrating parameters of national regulations, and gas circuit structure is reliable and stable.
Description
Technical field
This full mold is related to a kind of four core caliberating devices, specially a kind of four core sensor calibration apparatus.
Background technique
At present in explosive gas atmosphere, the type of gas detection equipment is more and more, with the market demand, four core gases
Detection device using more and more extensive.Gas detection is required before equipment factory and behind equipment arrival user scene to biography
The parameter of sensor carries out calibration calibration, has specific regulation for the calibrating parameters of various gas sensors in national standard.According to
National Specification is when demarcating four core sensors, original gas circuit structure for using one-in-and-one-out, due to that cannot use
Stomata is directly directed at four sensors and the characteristic of four kinds of gas is different, causes to mark timing generating portion gas response time shakiness
Fixed phenomenon.
Utility model content
The purpose of this utility model is to provide one kind to have structure simple, easy to operate, caught convenient for removing sea cucumber
The four core caliberating device of one kind of the advantages that sundries such as the water plant in journey, effectively sorting sea cucumber.
Purpose of the utility model is realized as follows:
A kind of four core caliberating devices, including calibration mask；It is characterized by: the calibration mask includes under calibration upper cover and calibration
Cover, calibration upper cover bottom surface connection calibration lower cover top surface；Demarcating upper cover bottom surface is in shrinkage pool structure, and calibration lower cover top surface is in boss knot
Structure, the shrinkage pool structure and boss structure are corresponding；Bulge-structure is equipped with inside the calibration upper cover, bulge-structure is surrounded by
Detection hole；It is equipped with air inlet at the calibration lower cover center, demarcates between lower cover and calibration upper cover and is equipped with test chamber；In calibration
It covers side and is equipped with gas vent.
The calibration upper cover and calibration lower cover are equipped with structure of mounting hole, and the structure of mounting hole demarcated in lower cover is installation spiral shell
Hole, the structure of mounting hole demarcated in lower cover do not install inner hole, and the installation screw is corresponding with installation inner hole.
It is engraved structure in the calibration upper cover top, gas vent one end is connected to engraved structure, and other end connection is demarcated
Cover outside.
Gasket is equipped between the calibration upper cover and calibration lower cover.
Working principle of the utility model is: the utility model uses split-type design, it is divided into calibration upper cover and calibration lower cover.
Cover main body is cylinder in calibration, and top opening structure is connect with sensor housing, and four holes of upper boss structure are detection
Hole, bottom are shrinkage pool structure, and in shrinkage pool structure periphery, there are four installation screws.Demarcating lower cover main body is disc, upper boss
A screw hole is air inlet among structure, and bottom periphery is evenly distributed with four mounting holes.It demarcates upper cover and calibration lower cover passes through surrounding four
The fixed assembling of a structure of mounting hole, calibration upper cover bottom recess structure and calibration lower cover upper boss structure form test chamber,
It is sealed by gasket.Marked gas enters calibration mask test chamber by bottom inflow hole, is sensed by four detection holes
Device, marked gas are discharged from gas vent.
The beneficial effects of the utility model are: the utility model eliminates the wild effect of four kinds of sensors of calibration, not only
The calibrating parameters of national regulations can be reached, and gas circuit structure is reliable and stable.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of this full mold；
Fig. 2 is the upper cover the schematic diagram of the section structure of this full mold；
Fig. 3 is the lower cover the schematic diagram of the section structure of this full mold.
In figure: 1: calibration upper cover, 1-1: detection hole, 1-2: shrinkage pool structure, 1-3: gas vent, 1-4: bulge-structure, 2: inspection
Cavity is surveyed, 3: calibration lower cover, 3-1: boss structure, 3-2: air inlet, 4: structure of mounting hole, 4-1: 4-2: installation screw is pacified
Dress inner hole, 5: gasket.
Specific embodiment
It illustrates with reference to the accompanying drawing and the utility model is described in more detail:
Embodiment 1
A kind of four core caliberating devices, including calibration mask；It is characterized by: the calibration mask includes calibration upper cover (1) and marks
It fixs cover (3), calibration upper cover (1) bottom surface connection calibration lower cover (3) top surface；Demarcating upper cover (1) bottom surface is in shrinkage pool structure (1-2),
Demarcating lower cover (3) top surface is in boss structure (3-1), and the shrinkage pool structure (1-2) and boss structure (3-1) are corresponding；The mark
Determine to be equipped with bulge-structure (1-4) inside upper cover (1), bulge-structure (1-4) is surrounded by detection hole (1-1)；The calibration lower cover
(3) it is equipped with air inlet (3-2) at center, demarcates between lower cover (3) and calibration upper cover (1) and is equipped with test chamber (2)；Demarcate upper cover
(1) side is equipped with gas vent (1-3).
The calibration upper cover (1) and calibration lower cover (3) are equipped with structure of mounting hole (4), the mounting hole in calibration lower cover (3)
Structure (4) is installation screw (4-1), and the structure of mounting hole (4) in calibration lower cover (3) is not installed inner hole (4-2), the installation spiral shell
Hole (4-1) is corresponding with installation inner hole (4-2).
It is engraved structure in calibration upper cover (1) top, gas vent one end (1-3) is connected to engraved structure, and the other end connects
On the outside of logical calibration upper cover (1).
Gasket (5) are equipped between the calibration upper cover and calibration lower cover.
Embodiment 2
Working principle of the utility model is: the utility model uses split-type design, it is divided under calibration upper cover (1) and calibration
It covers (3).Demarcating upper cover (1) main body is cylinder, and top opening structure is connect with sensor housing, upper lobes structure (1-4)
Hole be detection hole (1-1), bottom be shrinkage pool structure (1-2), shrinkage pool structure (1-2) around there are four installation screw (4-1).
Calibration lower cover (3) main body is disc, and the intermediate screw hole of upper boss structure (3-1) is air inlet (3-2), and bottom periphery is equal
Four mounting holes of cloth.It demarcates upper cover (1) and calibration lower cover (3) to assemble by the way that four structure of mounting hole (4) of surrounding are fixed, in calibration
It covers (1) bottom recess structure (1-2) and calibration lower cover (3) upper boss structure (3-1) forms test chamber (2), pass through sealing
Pad (5) sealing.Marked gas enters calibration mask test chamber (2) by bottom inflow hole (3-2), passes through four detection holes (1-1)
Sensor is carried out, marked gas is discharged from gas vent (1-3).
Embodiment 3
As shown in Figure 1, described full mold cross-section structure signal includes calibration upper cover (1), test chamber (2), air inlet (3-
2) lower cover (3), structure of mounting hole (4), gas vent (1-3), gasket (5) and detection hole (1-1), are demarcated.It is described to include in calibration
It covers (1) and calibration lower cover (3) and passes through structure of mounting hole (4) fixed assembling.Test chamber (2) is sealed by gasket (5).It is described
Marked gas enters test chamber (2) from air inlet (3-2), enters transducer calibration by detection hole (1-1), then by gas vent
(1-3) discharge.
Claims (4)
1. a kind of four core caliberating devices, including calibration mask；It is characterized by: the calibration mask includes under calibration upper cover and calibration
Cover, calibration upper cover bottom surface connection calibration lower cover top surface；Demarcating upper cover bottom surface is in shrinkage pool structure, and calibration lower cover top surface is in boss knot
Structure, the shrinkage pool structure and boss structure are corresponding；Bulge-structure is equipped with inside the calibration upper cover, bulge-structure is surrounded by
Detection hole；It is equipped with air inlet at the calibration lower cover center, demarcates between lower cover and calibration upper cover and is equipped with test chamber；In calibration
It covers side and is equipped with gas vent.
2. a kind of four core caliberating device according to claim 1, it is characterised in that: in the calibration upper cover and calibration lower cover
Equipped with structure of mounting hole, the structure of mounting hole demarcated in lower cover is installation screw, and the structure of mounting hole demarcated in lower cover is not installed
Inner hole, the installation screw are corresponding with installation inner hole.
3. a kind of four core caliberating device according to claim 1, it is characterised in that: be hollow out in the calibration upper cover top
Structure, gas vent one end are connected to engraved structure, other end connection calibration upper cover outside.
4. a kind of four core caliberating device according to claim 1, it is characterised in that: the calibration upper cover and calibration lower cover it
Between be equipped with gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237337.0U CN209624524U (en) | 2018-12-28 | 2018-12-28 | A kind of four core caliberating devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237337.0U CN209624524U (en) | 2018-12-28 | 2018-12-28 | A kind of four core caliberating devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209624524U true CN209624524U (en) | 2019-11-12 |
Family
ID=68447774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822237337.0U Active CN209624524U (en) | 2018-12-28 | 2018-12-28 | A kind of four core caliberating devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209624524U (en) |
-
2018
- 2018-12-28 CN CN201822237337.0U patent/CN209624524U/en active Active
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