CN207439603U - Manometer verification system - Google Patents
Manometer verification system Download PDFInfo
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- CN207439603U CN207439603U CN201721560529.4U CN201721560529U CN207439603U CN 207439603 U CN207439603 U CN 207439603U CN 201721560529 U CN201721560529 U CN 201721560529U CN 207439603 U CN207439603 U CN 207439603U
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- pressure
- manometer
- verification system
- valuator
- volume tank
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Abstract
The utility model discloses a kind of manometer verification system, the manometer verification system includes：Pressure generator, volume tank, non-return valve, pressure valuator and manometer platform, the volume tank is connected with the pressure generator, the non-return valve is connected between the pressure generator and the volume tank, the pressure valuator is connected with the volume tank, and the manometer platform is connected with the pressure valuator.The utility model service life is long, and reliability is high, and energy conservation and environmental protection improves calibration operation efficiency.
Description
Technical field
The utility model is related to pressure gauge assay calibration technical field, more particularly to a kind of manometer verification system.
Background technology
The accuracy of the measured value of manometer has important shadow for the work quality and performance evaluation of manometer
It rings, therefore, manometer usually requires to carry out assay calibration using manometer calibration equipment.However, existing manometer inspection
The locking equipment pressure loss is big, it is necessary to which frequent start-stop, affects service life, calibrating reliability and calibration operation efficiency.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, the utility model proposes a kind of manometer verification systems, the manometer verification system service life is long,
Reliability is high, and energy conservation and environmental protection improves calibration operation efficiency.
The manometer verification system of embodiment according to the present utility model includes：Pressure generator；Volume tank, the appearance
Product tank is connected with the pressure generator, and preset pressure is kept in the volume tank；Non-return valve, the non-return valve are connected to described
Between pressure generator and the volume tank, for preventing the pressure in the volume tank from being let out to the pressure generator one side
Dew；Pressure valuator, the pressure valuator are connected with the volume tank, for adjusting the default pressure exported from the volume tank
Power；Manometer platform, the manometer platform are used to install instrument to be examined and determine, the manometer platform and the pressure valuator
It is connected.
Manometer verification system according to the present utility model, by the non-return valve between pressure generator and volume tank,
It can reduce the pressure loss to avoid the start and stop that take place frequently of pressure generator, by pressure valuator, can adjust to instrument to be examined and determine
The pressure of supply also reduces the pressure loss while avoiding damaging instrument to be examined and determine, therefore, the manometer verification system section
Can be environmentally friendly, the pressure loss is small, and service life is long, examines and determine reliability and calibration operation is efficient.
In some embodiments, the manometer verification system further includes pressure-control valve, and the pressure-control valve connects
It is connected between the pressure valuator and the manometer platform, the pressure is output to from the pressure valuator for controlling
The pressure of instrument desk.
In some embodiments, the pressure generator is hydraulic pump, air compressor machine, electrodynamic pump.
In some embodiments, the pressure generator be the preset pressure generated in the volume tank be negative pressure of vacuum,
Positive air pressure or hydraulic pressure.
In some embodiments, the negative pressure of vacuum is more than or equal to -0.098 megapascal, and the positive air pressure is less than or equal to 25,000,000
Pa, the hydraulic pressure are the hydraulic pressure of 0-8 megapascal or the oil pressure of 0-60 megapascal.
In some embodiments, the manometer verification system further includes relief valve, the relief valve and the pressure
Instrument desk is connected.
In some embodiments, the pressure valuator is the spring valuator that its outlet pressure is adjusted by spring.
In some embodiments, the pressure valuator adjusts its outlet pressure by changing spring constant.
In some embodiments, the manometer platform has multiple instrument installations for being respectively used to install instrument to be examined and determine
Seat.
Description of the drawings
Fig. 1 is the composition figure of the manometer verification system of embodiment according to the present utility model；
Reference numeral：
Pressure generator 1, non-return valve 2, volume tank 3, pressure valuator 4, pressure-control valve 5, instrument 6 to be examined and determine, pressure
Instrument desk 7, relief valve 8.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
As shown in Figure 1, included according to the manometer verification system of the utility model embodiment：Pressure generator 1, check
Valve 2, volume tank 3, pressure valuator 4 and manometer platform 7.
Pressure generator 1 is used as pressure source, and required pressure is provided for manometer verification system.
Volume tank 3 is connected with pressure generator 1, and volume tank 3 keeps preset pressure.In other words, pressure generator 1 supplies
Pressure is transported in volume tank 3 and preset pressure is stored in volume tank 3, to be provided controllably to manometer verification system
Pressure.It is understood that the preset pressure is set in advance according to actual needs.
Non-return valve 2 is connected between pressure generator 1 and volume tank 3, for preventing the pressure in volume tank 3 from occurring to pressure
It reveals 1 one side of device.In other words, under the action of non-return valve 2, pressure can be delivered in volume tank 3 by pressure generator 1, but
Pressure in volume tank 3 can not be transmitted to pressure generator 1, that is, realize pressure in pressure generator 1 to volume tank 3
One-way transmission prevents the pressure in volume tank 3 from being revealed to the one side of pressure generator 1, to stablize the pressure in volume tank 3, keeps away
Exempt from 3 internal pressure loss of volume tank, further reduce the pressure loss of manometer verification system, reduce the frequency of pressure generator 1
Numerous start and stop.
Pressure valuator 4 is connected with volume tank 3, for adjusting the preset pressure exported from volume tank 3.It is appreciated that
It is that the preset pressure that volume tank 3 exports can be adjusted the upper pressure limit to instrument 6 to be examined and determine and with constant by pressure valuator 4
Value output, avoids supplying excessive or unstable pressure damage instrument 6 to be examined and determine to instrument 6 to be examined and determine.
For installing instrument 6 to be examined and determine, manometer platform 7 is connected manometer platform 7 with pressure valuator 4.It is appreciated that
, the constant pressure that pressure valuator 4 exports can be supplied to instrument 6 to be examined and determine by manometer platform 7, consequently facilitating real
The now calibrating of instrument 6 to be examined and determine.
Manometer verification system according to the present utility model, by the non-return valve between pressure generator and volume tank,
It can reduce the pressure loss to avoid the start and stop that take place frequently of pressure generator, by pressure valuator, can adjust to instrument to be examined and determine
The pressure of supply also reduces the pressure loss while avoiding damaging instrument to be examined and determine, therefore, the manometer verification system section
Can be environmentally friendly, the pressure loss is small, and service life is long, examines and determine reliability and calibration operation is efficient.
In some embodiments, manometer verification system further includes pressure-control valve 5, and pressure-control valve 5 is connected to pressure
Between power valuator 4 and the manometer platform 7, for controlling the pressure that manometer platform 7 is output to from pressure valuator 4.
It is understood that instrument 6 to be examined and determine has pressure upper limit value, to ensure calibrating accuracy and avoiding damaging instrument to be examined and determine
6, it generally requires in verification process first to instrument 6 examine and determine one preset value of supply, then the pressure of supply is gradually increased, finally arrive
Up to required pressure upper limit value, it can will can be realized what above-mentioned supply pressure set and was gradually increased by pressure-control valve 5
Process.
In some embodiments, pressure generator 1 is hydraulic pump, air compressor machine or electrodynamic pump.In other words, which examines
Determine system by hydraulic pump, air compressor machine or electrodynamic pump realize pressure supply, further, hydraulic pump may be employed hydraulic pressure or
Oil pressure.
In some embodiments, pressure generator 1 is that the preset pressure generated in volume tank 3 is negative pressure of vacuum, positive air pressure
Or hydraulic pressure.It is understood that when air compressor machine provides pressure as pressure generator 1 for system, can be according to actual needs
The preset pressure of negative pressure of vacuum or positive air pressure is produced as in volume tank 3.In some preferred embodiments, negative pressure of vacuum is more than etc.
In -0.098 megapascal, positive air pressure is less than or equal to 25 megapascal, wherein, positive air pressure includes low pressure air pressure and high pressure air pressure.Hydraulic pump is made
Can be the preset pressure that hydraulic pressure is produced as in volume tank 3 when providing pressure for pressure generator 1 for system.At some preferably
Embodiment in, hydraulic pressure can be 0-8 megapascal hydraulic pressure or 0-60 megapascal oil pressure.
In some embodiments, manometer verification system further includes relief valve 8, relief valve 8 and 7 phase of manometer platform
Even.It is understood that relief valve 8 is connected by manometer platform 7 with instrument 6 to be examined and determine, to protect the peace of instrument 6 to be examined and determine
Quan Xing, when it is more than that relief valve 8 sets pressure to examine and determine the pressure in instrument 6, relief valve 8 automatically turns on pressure release, ensures to be checked
Determine pressure medium in instrument 6 setting under pressure, so as to protect instrument 6 to be examined and determine.
In some embodiments, pressure valuator 4 is the spring valuator that its outlet pressure is adjusted by spring.Change speech
It, its outlet pressure is adjusted by the spring in spring valuator, so that the outlet pressure is constant and for instrument 6 to be examined and determine
Upper pressure limit.Further, pressure valuator 4 adjusts its outlet pressure, in other words, spring constant by changing spring constant
With outlet pressure there are certain proportionate relationship, spring system changes, and the outlet pressure of pressure valuator 4 also changes correspondingly.
In some embodiments, manometer platform 7 has multiple instrument installations for being respectively used to install instrument 6 to be examined and determine
Seat.In other words, multiple instrument to be examined and determine 6 can be installed on manometer platform 7, you can realize the batch calibrating of instrument 6 to be examined and determine,
Improve calibrating efficiency.It is understood that when examining and determine multiple instrument, pressure-control valve 5 also plays an important role of distribution pressure, changes
Pressure is accurately assigned in multiple instrument to be examined and determine 6 by Yan Zhi by pressure-control valve 5, and is supplied to each instrument 6 to be examined and determine
The pressure being gradually increased.In the description of the utility model, " multiple " are meant that at least two, such as two, three etc., remove
It is non-separately to have clearly specific limit.
Below with reference to the accompanying drawings 1 the manometer verification system according to some specific examples of the utility model is described.
As shown in Figure 1, manometer verification system according to the present utility model includes：Pressure generator 1, non-return valve 2 hold
Product tank 3, pressure valuator 4, pressure controller 5, manometer platform 7 and relief valve 8.
Pressure generator 1 is used as pressure source, and required pressure is provided for manometer verification system.For example, pressure occurs
Device 1 is hydraulic pump, air compressor machine or electrodynamic pump.
Volume tank 3 is connected with pressure generator 1, and volume tank 3 keeps preset pressure.It is understood that it is appreciated that
It is that pneumatics device is the preset pressure generated in volume tank 3 for the negative pressure of vacuum more than or equal to -0.098 megapascal or is less than or equal to
The positive air pressure of 25 megapascal；Hydraulic pump is that the preset pressure generated in volume tank 3 is the hydraulic pressure of 0-8 megapascal or the oil of 0-60 megapascal
Pressure.
Non-return valve 2 is connected between pressure generator 1 and volume tank 3, for preventing the pressure in volume tank 3 from occurring to pressure
It reveals 1 one side of device.
Pressure valuator 4 is connected with volume tank 3, for adjusting the preset pressure exported from volume tank 3, avoids to waiting to examine and determine
Instrument 6 supplies excessive or unstable pressure damage instrument 6 to be examined and determine.Pressure valuator 4 is to adjust its outlet by spring to press
The spring valuator of power, and it adjusts its outlet pressure in particular by spring constant is changed.
Manometer platform 7 has multiple instrument mounting bases for installing instrument 6 to be examined and determine respectively, i.e., can on manometer platform 7
To install multiple instrument to be examined and determine 6, manometer platform 7 is connected with pressure valuator 4.It is understood that pressure valuator 4 is defeated
The constant pressure gone out can be supplied to each instrument to be examined and determine 6 by manometer platform 7, consequently facilitating realizing instrument 6 to be examined and determine
Calibrating.
Pressure-control valve 5 is connected between pressure valuator 4 and manometer platform 7, can will be pressed by pressure-control valve 5
Power is accurately assigned in multiple instrument to be examined and determine 6, and the pressure being gradually increased is supplied to each instrument 6 to be examined and determine, and is treated with protection
Examine and determine instrument 6.
Relief valve 8 is connected with manometer platform 7, with the further security for protecting instrument 6 to be examined and determine.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be interpreted as the limitation to the utility model, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (9)
1. a kind of manometer verification system, which is characterized in that including：
Pressure generator；
Volume tank, the volume tank are connected with the pressure generator, and preset pressure is kept in the volume tank；
Non-return valve, the non-return valve are connected between the pressure generator and the volume tank, for preventing the volume tank
Interior pressure is revealed to the pressure generator one side；
Pressure valuator, the pressure valuator are connected with the volume tank, are preset for adjusting from what the volume tank exported
Pressure；
Manometer platform, the manometer platform are used to install instrument to be examined and determine, the manometer platform and the pressure definite value
Device is connected.
2. manometer verification system according to claim 1, which is characterized in that further include pressure-control valve, the pressure
Force control valve is connected between the pressure valuator and the manometer platform, is exported for controlling from the pressure valuator
To the pressure of the manometer platform.
3. manometer verification system according to claim 1, which is characterized in that the pressure generator for hydraulic pump,
Air compressor machine or electrodynamic pump.
4. manometer verification system according to claim 1, which is characterized in that the pressure generator is the volume
The preset pressure generated in tank is negative pressure of vacuum, positive air pressure or hydraulic pressure.
5. manometer verification system according to claim 4, which is characterized in that the negative pressure of vacuum be more than or equal to-
0.098 megapascal, the positive air pressure are less than or equal to 25 megapascal, and the hydraulic pressure is the hydraulic pressure of 0-8 megapascal or the oil pressure of 0-60 megapascal.
6. manometer verification system according to claim 1, which is characterized in that further include relief valve, the relief valve
It is connected with the manometer platform.
7. manometer verification system according to claim 1, which is characterized in that the pressure valuator is to pass through spring
Adjust the spring valuator of its outlet pressure.
8. manometer verification system according to claim 7, which is characterized in that the pressure valuator is by changing bullet
Its outlet pressure of spring coefficient adjustment.
9. the manometer verification system according to any one of claim 1-8, which is characterized in that the manometer platform
With multiple instrument mounting bases for being respectively used to install instrument to be examined and determine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721560529.4U CN207439603U (en) | 2017-11-20 | 2017-11-20 | Manometer verification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721560529.4U CN207439603U (en) | 2017-11-20 | 2017-11-20 | Manometer verification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439603U true CN207439603U (en) | 2018-06-01 |
Family
ID=62286884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721560529.4U Active CN207439603U (en) | 2017-11-20 | 2017-11-20 | Manometer verification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207439603U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900426A (en) * | 2019-03-27 | 2019-06-18 | 中国化学工程第三建设有限公司 | Verify the accurate method of low pressure gauge pressure |
| CN110849538A (en) * | 2019-11-27 | 2020-02-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | Multi-channel parallel output automatic standard pressure generator based on different pressure ranges |
| CN111076863A (en) * | 2020-03-04 | 2020-04-28 | 东营职业学院 | Intelligent differential pressure transmitter calibration system |
-
2017
- 2017-11-20 CN CN201721560529.4U patent/CN207439603U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900426A (en) * | 2019-03-27 | 2019-06-18 | 中国化学工程第三建设有限公司 | Verify the accurate method of low pressure gauge pressure |
| CN110849538A (en) * | 2019-11-27 | 2020-02-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | Multi-channel parallel output automatic standard pressure generator based on different pressure ranges |
| CN111076863A (en) * | 2020-03-04 | 2020-04-28 | 东营职业学院 | Intelligent differential pressure transmitter calibration system |
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