CN207487887U - A kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure - Google Patents
A kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure Download PDFInfo
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- CN207487887U CN207487887U CN201721736502.6U CN201721736502U CN207487887U CN 207487887 U CN207487887 U CN 207487887U CN 201721736502 U CN201721736502 U CN 201721736502U CN 207487887 U CN207487887 U CN 207487887U
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- ventilation pipe
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Abstract
The utility model discloses a kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure,The ventilation pipe being provided in pedestal tooling above with it,The gas source inlet of pressure tooling connection altogether,It is disposed with electric control valve from bottom to up on ventilation pipe,Monitor pressure sensor,Solenoid valve and pressure release electromagnetic valve,Installation standard pressure transducer is installed and by correction force snesor at the equidistant upper end opening in both sides of common pressure tooling,It wherein monitors pressure sensor and electric control valve connects and composes closed-loop control with the Regulation Control module of pressure acquisition control device,Solenoid valve is connect with the electromagnetic valve switch module of pressure acquisition control device,Standard pressure transducer and the pressure control module of pressure release electromagnetic valve and pressure acquisition control device connect and compose closed-loop control,This calibrating installation can really simulate the continuous controllable pressure that the variation of attitude control engine short time inner valve generates,Ensure the accuracy measured.
Description
Technical field
The utility model is related to a kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure, belong to pick up calibration
Technical field.
Background technology
The pressure generated in attitude control engine combustion chamber provides power resources for engine attitude control thrust, is analysis engine
The important evidence of thrust.When combustion chamber continuous controllable pressure because valve variation generates, then engine can generate continuous controllable
Thrust control flight attitude.To ensure the authentic and valid of pressure testing data, internal pressure of combustion chamber sensor should be carried out
Calibration.It, pressure sensor base measuring pressure value and transient state rise time, can not be true but in traditional quiet, dynamic calibration
The continuous controllable pressure that the variation of attitude control engine short time inner valve generates is simulated, to the analysis continuous controllable-thrust of engine and is held
Continuous time-bands carry out uncertain factor.
Utility model content
The technical problems to be solved in the utility model is：There is provided a kind of Step Pressure continuous controllable pressure sensor calibration
Device can really simulate the continuous controllable pressure that the variation of attitude control engine short time inner valve generates, it is ensured that measure related ginseng
Several accuracys, it is of the existing technology to solve the problems, such as.
The technical solution of the utility model is：A kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure, including
Pedestal tooling, ventilation pipe and tooling is pressed altogether, gas source inlet is provided in pedestal tooling, gas source inlet is successively with being arranged on bottom
Ventilation pipe, pressure tooling connection altogether above seat tooling, motorized adjustment is disposed on the ventilation pipe from bottom to up
Valve, monitoring pressure sensor, solenoid valve and pressure release electromagnetic valve, the tooling of pressure altogether is U-shaped, at the equidistant upper end opening in its both sides
Installation standard pressure transducer is installed and by correction force snesor, wherein monitoring pressure sensor and electric control valve with pressure
The Regulation Control module of power acquisition control device connects and composes closed-loop control, the solenoid valve of solenoid valve and pressure acquisition control device
Switch module connects, and standard pressure transducer and pressure release electromagnetic valve connect structure with the pressure control module of pressure acquisition control device
Into closed-loop control.
It is described to press tooling, solenoid valve, pedestal tooling and ventilation pipe coaxially arranged altogether.
The screw thread of the monitoring pressure sensor is laterally vertically connected on ventilation pipe.
The screw thread of the pressure release electromagnetic valve is laterally vertically connected on ventilation pipe.
The beneficial effects of the utility model：Compared with prior art, this calibrating installation can simulate attitude control engine in short-term
Between inner valve variation generate continuous controllable pressure, highest base measuring pressure be 15MPa, meet attitude control engine internal pressure of combustion chamber
Technical indicator.This calibrating installation can be used for the continuous controllable pressure calibration of other industries, and cooperation acquisition control software can shape
Into real-time continuous controllable pressure curve, convenient for being compared with being calibrated pressure sensor.
When this calibrating installation measures calibration to pressure sensor, available for steady state pressure calibration, it can also be used in the short time
Consecutive variations Step Pressure calibration, by software collection draw standard pressure transducer change curve, can in real time with quilt
Correction force snesor carries out pressure value and the comparison of duration.This calibrating installation also has quick setting pressure curve, long-range
The characteristics of with strong points, expansible use, is simulated in acquisition and operation.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is that the pressure acquisition of the utility model forms structure chart；
Fig. 3 is the simulation actual condition flow chart of the utility model；
Fig. 4 is the structure diagram for pressing tooling altogether；
Fig. 5 is that the pressure of the simulation actual condition of the utility model sets curve；
In figure, 1- monitoring pressure sensors, 2- solenoid valves, 3- pressure release electromagnetic valves, 4- standard pressure transducers, 5- is by correction
Force snesor, 6- electric control valves, 7- pedestal toolings, 8- ventilation pipes, 9- pressure acquisition control devices, 10- pressure releases control mould
Block, 11- Regulation Control modules, 12- electromagnetic valve switch modules, 13- press tooling altogether.
Specific embodiment
Below in conjunction with the accompanying drawings and utility model is described further in specific embodiment：
Such as a kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure of Fig. 1,2 and Fig. 4 the present embodiment, including pedestal
Tooling 7, ventilation pipe 8 and press tooling 13 altogether, gas source inlet be vertically provided in 7 upper edge of pedestal tooling, gas source inlet successively with
It is arranged on the ventilation pipe 8 of 7 top of pedestal tooling, tooling 13 pressed to connect altogether, be sequentially installed with from bottom to up on ventilation pipe 8
Electric control valve 6, monitoring pressure sensor 1, solenoid valve 2 and pressure release electromagnetic valve 3 press tooling 13 U-shaped altogether, equidistant in its both sides
Installation standard pressure transducer 4 is installed and by correction force snesor 5 at upper end opening, wherein monitoring pressure sensor 1 and electricity
Dynamic regulating valve 6 connects and composes closed-loop control, solenoid valve 2 and pressure with the Regulation Control module 11 of pressure acquisition control device 9
The electromagnetic valve switch module 12 of acquisition control device 9 connects, standard pressure transducer 4 and pressure release electromagnetic valve 3 and pressure acquisition control
The pressure control module 10 of device 9 processed connects and composes closed-loop control.
More than structure is the basic building block of the present apparatus, and operation principle is：With reference to figure 3 and Fig. 5, pressure regulator valve control module 11 is pressed
1 feedback control electric pressure-regulating valve 6 of pressure sensor is monitored according to pressure setting curve negotiating, it is ensured that initial pressure value and duration
It meets the requirements, it is ensured that pressure can continue pressurization or voltage stabilizing by setting curve.Relief valve control module 10 is set according to pressure
4 feedback control pressure release electromagnetic valve 3 of curve negotiating standard pressure transducer, it is ensured that packing pressure value and duration meet the requirements,
Ensure that pressure can continue decompression or voltage stabilizing by setting curve.Electromagnetic valve switch module 12 is according to pressure setting curve controlled electricity
Magnet valve switchs, it is ensured that pressure is pressurization or decompression and the control of duration.Normal pressure is drawn finally by software collection
The change curve of sensor 4, can be in real time with being carried out the comparison of pressure value and duration by correction force snesor 5.
Enter to ensure air source from the gas source inlet of pedestal tooling 7 it is smooth in entire ventilation pipe 8, reduce pressure rise and
The error of duration presses tooling 13, solenoid valve 2, pedestal tooling 7 and ventilation pipe 8 to use and is co-axially mounted arrangement altogether.
To ensure that monitoring pressure sensor 1 and pressure release electromagnetic valve 3 does not influence the transmission of gas, it is ensured that control pressure release electromagnetic valve
The safety of 3 lateral exhausts, guarantor and equipment, the screw thread for monitoring pressure sensor 1 and pressure release electromagnetic valve 3 are laterally vertically connected on
On ventilation pipe 8.
Press 13 both sides of tooling contour, equidistant in the present embodiment altogether, to ensure standard pressure transducer 4 and by school pressure sensing
Device 5 receives pressure signal simultaneously, improves the accuracy of measurement.Ventilation pipe 8 and the venthole that 13 internal diameter of pressure tooling is 10mm altogether
Diameter can be easily installed the electric control valve 6, solenoid valve 2 and pressure release electromagnetic valve 3 of standard.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (4)
1. a kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure, including pedestal tooling（7）, ventilation pipe（8）With
Tooling is pressed altogether（13）, in pedestal tooling（7）On be provided with gas source inlet, gas source inlet is successively with being arranged on pedestal tooling（7）On
The ventilation pipe of side（8）, press tooling altogether（13）Connection, it is characterised in that：In the ventilation pipe（8）On set successively from bottom to up
It is equipped with electric control valve（6）, monitoring pressure sensor（1）, solenoid valve（2）And pressure release electromagnetic valve（3）, it is described to press tooling altogether（13）
It is U-shaped, installation standard pressure transducer is installed at the equidistant upper end opening in its both sides（4）With by correction force snesor（5）,
Middle monitoring pressure sensor（1）And electric control valve（6）With pressure acquisition control device（9）Regulation Control module（11）Even
Connect composition closed-loop control, solenoid valve（2）With pressure acquisition control device（9）Electromagnetic valve switch module（12）Connection, standard pressure
Force snesor（4）And pressure release electromagnetic valve（3）With pressure acquisition control device（9）Pressure control module（10）Connect and compose closed loop
Control.
2. the continuous controllable pressure sensor calibrating apparatus of Step Pressure according to claim 1, it is characterised in that：It is described
Tooling is pressed altogether（13）, solenoid valve（2）, pedestal tooling（7）And ventilation pipe（8）It is coaxially arranged.
3. the continuous controllable pressure sensor calibrating apparatus of Step Pressure according to claim 1, it is characterised in that：It is described
Monitor pressure sensor（1）Screw thread be laterally vertically connected on ventilation pipe（8）On.
4. the continuous controllable pressure sensor calibrating apparatus of Step Pressure according to claim 1, it is characterised in that：It is described
Pressure release electromagnetic valve（3）Screw thread be laterally vertically connected on ventilation pipe（8）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721736502.6U CN207487887U (en) | 2017-12-13 | 2017-12-13 | A kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721736502.6U CN207487887U (en) | 2017-12-13 | 2017-12-13 | A kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure |
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| Publication Number | Publication Date |
|---|---|
| CN207487887U true CN207487887U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721736502.6U Active CN207487887U (en) | 2017-12-13 | 2017-12-13 | A kind of continuous controllable pressure sensor calibrating apparatus of Step Pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860512A (en) * | 2017-12-13 | 2018-03-30 | 贵州航天计量测试技术研究所 | A kind of Step Pressure continuous controllable pressure sensor calibrating apparatus and calibration method |
-
2017
- 2017-12-13 CN CN201721736502.6U patent/CN207487887U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860512A (en) * | 2017-12-13 | 2018-03-30 | 贵州航天计量测试技术研究所 | A kind of Step Pressure continuous controllable pressure sensor calibrating apparatus and calibration method |
| CN107860512B (en) * | 2017-12-13 | 2024-06-04 | 贵州航天计量测试技术研究所 | Pressure sensor calibration device and calibration method with continuously controllable step pressure |
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