CN207763880U - A kind of instrument for calibrating pressure measuring meter peculiar to vessel - Google Patents
A kind of instrument for calibrating pressure measuring meter peculiar to vessel Download PDFInfo
- Publication number
- CN207763880U CN207763880U CN201820003656.2U CN201820003656U CN207763880U CN 207763880 U CN207763880 U CN 207763880U CN 201820003656 U CN201820003656 U CN 201820003656U CN 207763880 U CN207763880 U CN 207763880U
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- valve
- shut
- cylinder body
- instrument
- pressure measuring
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Abstract
The utility model discloses a kind of instrument for calibrating pressure measuring meter peculiar to vessel, including four-way pipe, four interfaces on the four-way pipe are respectively arranged with the first shut-off valve, the second shut-off valve, third shut-off valve and the 4th shut-off valve, first shut-off valve is connected with pressure gauge to be detected, second shut-off valve is connected with master gauge, the third shut-off valve is connected with pressurized cylinder, and the 4th shut-off valve is for pipeline on connecting line；The wherein described pressurized cylinder includes cylinder body, connects the input channel and drainage duct of cylinder body, the input channel and drainage duct are connected separately with the 5th shut-off valve and the 6th shut-off valve, 5th shut-off valve is also associated with suction pump, and the cylinder base is additionally provided with heating module.
Description
Technical field
The utility model is related to shipborne equipment technical field more particularly to a kind of instrument for calibrating pressure measuring meter peculiar to vessel.
Background technology
Pressure gauge will appear certain error in the long-term use, need periodically to carry out to correct its error pressure gauge
Verification is usually that it is compared with the reading of master gauge, the survey of the pressure gauge is corrected using the pressure difference of the two
Measure data.However, existing calibration equipment does not measure the pressure change of pressure gauge at different temperatures generally, lead to its verification knot
Fruit is inaccurate.
Invention content
In order to achieve the goal above, technical solution used by the utility model is：
A kind of instrument for calibrating pressure measuring meter peculiar to vessel, including four-way pipe, four interfaces on the four-way pipe are respectively arranged with first
Shut-off valve, the second shut-off valve, third shut-off valve and the 4th shut-off valve, first shut-off valve are connected with pressure gauge to be detected, institute
State that the second shut-off valve is connected with master gauge, the third shut-off valve is connected with pressurized cylinder, the 4th shut-off valve is for connecting
Pipeline in wiring；The wherein described pressurized cylinder include cylinder body, connect cylinder body input channel and drainage duct, the input channel and
Drainage duct is connected separately with the 5th shut-off valve and the 6th shut-off valve, and the 5th shut-off valve is also associated with suction pump, the cylinder
Body bottom is additionally provided with heating module.
Further, the heating module includes the heating wire and the encapsulation electric heating for being installed on cylinder bottom plate lower surface
The shell of silk.
Further, it is formed with upper ear plate on the downside of the outer wall of cylinder block, the housing exterior walls are formed with corresponding with upper ear plate
Lower ear plate, the upper ear plate and lower ear plate are bolted.
Further, the pressurized cylinder is additionally provided with the electronic thermometer for detecting cylinder body temperature.
The utility model has the beneficial effects that：The instrument for calibrating pressure measuring meter peculiar to vessel of the utility model is by comparing measuring pressure to be checked
Table and normal pressure gauge pressure values are to obtain the pressure official post of the two to detection and correct pressure gauge to be detected.In addition, this reality
The rising of the Pressure behaviour in heating pressurized cylinder, root can be carried out to the medium in cylinder body by heating module with the pressurized cylinder in novel
Change according to the dynamic pressure of its pressure gauge and master gauge to be detected, can more accurately calculate the pressure official post correction knot of the two
Fruit is more acurrate, while using heating module pressure build up compared to utilizing plunger booster, the better tightness pair of housing structure
The error smaller that testing result generates.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the pressurized cylinder of the utility model.
Wherein, 1- four-way pipes, the first shut-off valves of 11-, the second shut-off valves of 12-, 13- third shut-off valves, 14- the 4th end
Valve, 2- pressure gauges to be detected, 3- master gauges, 4- pressurized cylinders, 41- cylinder bodies, 411- upper ear plates, 42- input channels, 421-
Five shut-off valves, 422- suction pumps, 43- drainage ducts, the 6th shut-off valves of 431-, 44- heating modules, 441- shells, ear under 4411-
Plate, 442- heating wire, 45- electronic thermometers, pipeline on 5- lines.
Specific implementation mode
The utility model technical solution claimed is made further specifically in conjunction with the drawings and specific embodiments
It is bright.
It is shown in Figure 1, a kind of instrument for calibrating pressure measuring meter peculiar to vessel in the present embodiment, including four-way pipe 1, the four-way pipe 1
On four interfaces be respectively arranged with the first shut-off valve 11, the second shut-off valve 12, third shut-off valve 13 and the 4th shut-off valve 14, institute
It states the first shut-off valve 11 and is connected with pressure gauge 2 to be detected, the second shut-off valve 12 is connected with master gauge 3, third cut-off
Valve 13 is connected with pressurized cylinder 4, and the 4th shut-off valve 14 is for pipeline 5 on connecting line.
Shown in Figure 2, wherein pressurized cylinder 4 includes cylinder body 41, connects the input channel 42 and drainage duct 43 of cylinder body 41,
Input channel 42 and drainage duct 43 are connected separately with the 5th shut-off valve 421 and the 6th shut-off valve 431, and the 5th shut-off valve 421 is also
It is connected with suction pump 422,41 bottom of the cylinder body is additionally provided with heating module 44.In the present embodiment, heating module 44 includes
It is installed on the heating wire 442 of 41 bottom plate lower surface of cylinder body and encapsulates the shell 441 of the heating wire 442；Under 41 outer wall of cylinder body
Side is formed with upper ear plate 411, and 441 outer wall of the shell is formed with lower ear plate 4411 corresponding with upper ear plate 411, the upper ear plate
411 and lower ear plate 4411 be bolted.In addition in order to detect the temperature change in cylinder body 41, which is additionally provided with
Electronic thermometer 45 for detecting temperature in cylinder body 41, specifically the probe of electronic thermometer 45 extend to its reading in cylinder body 41
Number display is then set to outside cylinder body 41.
According to the 4th shut-off valve 14 of four-way pipe 1 whether pipeline 5 on connecting line（The former connecting tube of pressure gauge 2 i.e. to be detected
Road）, the pressure gauge check meter in the present embodiment has detects two kinds of detection modes on line under detection and line, is detected on center line
Steps are as follows：The first shut-off valve 11, the second shut-off valve 12, the 4th shut-off valve 14 of four-way valve are in open state, and third is cut
Only valve 13 closes and the 4th shut-off valve 14 is made to be connect with pipeline on line 5, and pipeline 5 is passed through pressure to pressure gauge check meter and is situated between on line
Matter, when 5 pipeline basic pressure of pipeline balances on pressure gauge check meter and line, pressure gauge 2 and master gauge 3 to be detected at this time
Pressure reading tends towards stability, and is calculated after the numerical value by reading and recording pressure gauge 2 and master gauge 3 to be detected to be detected
The pressure error of pressure gauge 2 can verify result using its error amount.
If you need to further increase the accuracy of verification, can also follow the steps below：First section of the four-way valve of four-way valve
Only valve 11, the second shut-off valve 12, third shut-off valve 13 and the 4th shut-off valve 14 are in open state and make the 4th shut-off valve 14
It is connect with pipeline on line 5, the 5th shut-off valve 421 of pressurized cylinder 4 and the 6th shut-off valve 431 are closed, and pipeline 5 is examined to pressure gauge on line
It tests instrument and is passed through pressure medium until the pressure reading of pressure gauge 2 to be detected and master gauge 3 tends towards stability, close the 4th at this time
Shut-off valve 14 simultaneously carries out heating boosting using heating module 44, by recording pressure gauge 2, master gauge 3 and electronics to be detected
Both the numerical value of thermometer 45 draws the temperature and pressure performance graph of detection pressure gauge and master gauge 3, by comparing
The pressure difference of both temperature and pressure performance graph estimations at different temperatures, keeps check results more acurrate.
When being detected under needing into line, it is as follows：First shut-off valve 11, second of the four-way valve of four-way valve
The 4th shut-off valve 14 is opened and closed to shut-off valve 12 and third shut-off valve 13, while the 5th shut-off valve 421 of pressurized cylinder 4 is opened,
6th shut-off valve 431 is closed, and using suction pump 422, into pressurized cylinder 4, input medium increases the pressure in cylinder body 41, inside it
Suction pump 422, which is stopped, after pressure increases to a certain degree simultaneously closes off the 5th shut-off valve 421, records pressure gauge 2 to be detected
With the pressure reading of master gauge 3.If you need to obtain the temperature and pressure performance graph of the two, then heating module 44 is utilized to carry out
Heating boosting draws detection pressure gauge by recording the numerical value of pressure gauge 2 to be detected, master gauge 3 and electronic thermometer 45
With the temperature and pressure performance graph of master gauge 3.
The embodiment of the above is only the preferred embodiment of the utility model, not does any form to the utility model
On limitation.Any technical person familiar with the field all can profit in the case where not departing from technical solutions of the utility model ambit
More possible variations and retouching are made to technical solutions of the utility model with the technology contents of the disclosure above, or are revised as equivalent
The equivalent embodiment of variation.Therefore all contents without departing from technical solutions of the utility model, the thinking according to the utility model are made
Equivalent equivalence changes, should all be covered by the scope of protection of the utility model.
Claims (4)
1. a kind of instrument for calibrating pressure measuring meter peculiar to vessel, it is characterised in that：Including four-way pipe（1）, the four-way pipe（1）On four interfaces
It is respectively arranged with the first shut-off valve（11）, the second shut-off valve（12）, third shut-off valve（13）With the 4th shut-off valve（14）, described
One shut-off valve（11）It is connected with pressure gauge to be detected（2）, second shut-off valve（12）It is connected with master gauge（3）, it is described
Third shut-off valve（13）It is connected with pressurized cylinder（4）, the 4th shut-off valve（14）The pipeline on connecting line（5）；It is wherein described
Pressurized cylinder（4）Including cylinder body（41）, connection cylinder body（41）Input channel（42）And drainage duct（43）, the input channel
（42）And drainage duct（43）It is connected separately with the 5th shut-off valve（421）With the 6th shut-off valve（431）, the 5th shut-off valve
（421）It is also associated with suction pump（422）, the cylinder body（41）Bottom is additionally provided with heating module（44）.
2. a kind of instrument for calibrating pressure measuring meter peculiar to vessel according to claim 1, it is characterised in that：The heating module（44）Packet
It includes and is installed on cylinder body（41）The heating wire of bottom plate lower surface（442）And the encapsulation heating wire（442）Shell（441）.
3. a kind of instrument for calibrating pressure measuring meter peculiar to vessel according to claim 2, it is characterised in that：The cylinder body（41）On the downside of outer wall
It is formed with upper ear plate（411）, the shell（441）Outer wall is formed with and upper ear plate（411）Corresponding lower ear plate（4411）, described
Upper ear plate（411）And lower ear plate（4411）It is bolted.
4. a kind of instrument for calibrating pressure measuring meter peculiar to vessel according to claim 2, it is characterised in that：The pressurized cylinder（4）It also sets up
It is useful for detection cylinder body（41）The electronic thermometer of interior temperature（45）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003656.2U CN207763880U (en) | 2018-01-02 | 2018-01-02 | A kind of instrument for calibrating pressure measuring meter peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003656.2U CN207763880U (en) | 2018-01-02 | 2018-01-02 | A kind of instrument for calibrating pressure measuring meter peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207763880U true CN207763880U (en) | 2018-08-24 |
Family
ID=63182657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820003656.2U Expired - Fee Related CN207763880U (en) | 2018-01-02 | 2018-01-02 | A kind of instrument for calibrating pressure measuring meter peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207763880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823445A (en) * | 2019-08-28 | 2020-02-21 | 南京理工大学 | Device and method for detecting pressure test system |
-
2018
- 2018-01-02 CN CN201820003656.2U patent/CN207763880U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823445A (en) * | 2019-08-28 | 2020-02-21 | 南京理工大学 | Device and method for detecting pressure test system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20200102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |