CN208606940U - A kind of pressure measurement verification system - Google Patents
A kind of pressure measurement verification system Download PDFInfo
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- CN208606940U CN208606940U CN201821540022.7U CN201821540022U CN208606940U CN 208606940 U CN208606940 U CN 208606940U CN 201821540022 U CN201821540022 U CN 201821540022U CN 208606940 U CN208606940 U CN 208606940U
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- pressure
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- module
- control device
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Abstract
The utility model discloses a kind of pressure measurement verification systems, including pressure generator, pressure control device, normal pressure module, checklist, pressure testers, data collector, gpib interface, PC machine and printer, the pressure generator is connect with the pressure control device, the pressure control device is connect with the normal pressure module and checklist respectively, the checklist is connect with the data collector, the data collector is connect with the gpib interface, the gpib interface is connect with the PC machine, the normal pressure module is connect with the pressure testers, the pressure testers are connect with the PC machine, the PC machine is connect with the printer.The utility model can realize the output of stablizing of setting pressure in a short time, and without stamping press is crossed, eliminate the repetition of hand-kept and many and diverse calculating labour, improve calibrating efficiency quality, gauging error caused by human factor is avoided, intelligent calibrating is realized, improves work efficiency.
Description
Technical field
The utility model relates to measurement verification technical field, in particular to a kind of pressure measurement verification system.
Background technique
Pressure measurement utensil is measuring device indispensable in industrial processes, is largely used in each production technology,
Whether pressure measurement utensil will accurately directly influence product quality, or even influence safety in production, at present to pressure meter
Although the calibrating of tool, using automatic pressure instrument calibration system, which generally includes regulator and matched pressure transmission pipe
Road determines that the system is purely retarded, big inertia and nonlinear system due to the inherent characteristic that regulator and pipeline postpone
System controls automatic pressure instrument calibration system using conventional PID controller, often because system have it is non-linear, when not
Become deterministic characteristic, be easy to produce over control during pressure controlled, occurs so as to cause verification result biggish
Deviation.
Utility model content
In order to overcome defect present in background technique, the utility model provides a kind of pressure measurement verification system.
To achieve the goals above, the technical solution adopted in the utility model are as follows: a kind of pressure measurement verification system, including
Pressure generator, pressure control device, normal pressure module, checklist, pressure testers, data collector, gpib interface, PC
Machine and printer, the pressure generator are connect with the pressure control device, the pressure control device respectively with the mark
Quasi- modular pressure is connected with checklist, and the checklist is connect with the data collector, the data collector with it is described
Gpib interface connection, the gpib interface are connect with the PC machine, and the normal pressure module is connect with the pressure testers,
The pressure testers are connect with the PC machine, and the PC machine is connect with the printer, the PC machine also with the pressure control
Device connection processed.
In the above scheme, the pressure control device includes control unit, servo-driven module, servo motor, screw rod
Transmission device, piston-conveying pressure device and pressure detecting feedback unit, described control unit are connect with servo-driven module, described to watch
It takes drive module to connect with servo motor, the servo motor and the spindle gear, the spindle gear and work
Pressure transfering apptss connection is filled in, is additionally provided with pressure detecting feedback unit in the import and export of pressure control device pressure.
In the above scheme, the spindle gear includes that the shaft coupling being connected with servo motor and shaft coupling are connected
Screw rod is arranged with the first rolling bearing close to one end of shaft coupling in the screw rod, and first rolling bearing is supported on sliding
On platform, the servo motor and shaft coupling are fixed on sliding platform, the protrusion set with holes that the sliding platform passes through bottom
It is located on the guide rail of hold-down support；
The piston-conveying pressure device includes piston and piston cylinder, and the piston is set in piston cylinder, in the piston
Equipped with the second rolling bearing for rolling connection with screw rod, the piston passes through one of the second rolling bearing and screw rod far from shaft coupling
End connection, the nut to match with screw rod is equipped in the piston cylinder close to one end of hold-down support, and the nut is set in silk
On bar and it is fixed on piston cylinder.
In the above scheme, described control unit is dsp controller.
In the above scheme, the servo-driven module uses FR-ZS-10/10A drive module.
In the above scheme, the servo motor is AC servo motor.
In the above scheme, the pressure detecting feedback unit uses GDP Series Intelligent digital pressure module.
In the above scheme, the normal pressure module uses DPI610HC type normal pressure module, for generating standard
Pressure.
In the above scheme, the data collector is 34970A type data collector.
Compared with prior art, the utility model has the beneficial effects that (1) is by fuzzy controller and regulatory PID control phase
In conjunction with, the adaptable advantage of existing fuzzy control, and have PID control feature with high accuracy, setting can be realized in a short time
Pressure stablizes output, and without stamping press is crossed, meets the requirement that pressure calibration system is quick, accurate and stable；(2) it eliminates
The repetition of hand-kept and many and diverse calculating labour, improve calibrating efficiency quality, examine so as to avoid caused by human factor
Determine error；(3) data are automatically saved, intelligent calibrating is realized, improves work efficiency.
Detailed description of the invention
Fig. 1 is the utility model pressure measurement verification system composed structure block diagram；
Fig. 2 is the utility model pressure control device composed structure block diagram；
Fig. 3 is the utility model silk pressing bar gear mechanism schematic diagram；
Fig. 4 is the utility model piston-conveying pressure schematic device.
In figure: 1- pressure generator；2- pressure control device；3- normal pressure module；4- checklist；5- pressure checking
Instrument；6- data collector；7-GPIB interface；8-PC machine；9- printer；10- control unit；11- servo-driven module；12- is watched
Take motor；13- spindle gear；14- piston-conveying pressure device；15- pressure detecting feedback unit；16- shaft coupling；17- screw rod；
The first rolling bearing of 18a-；The second rolling bearing of 18b-；19- sliding platform；20- hold-down support；21- guide rail；22- piston；23-
Piston cylinder；24- nut；25- protrusion with holes.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, being pressure measurement verification system provided by the utility model, including pressure generator 1, pressure control
Device 2, normal pressure module 3, checklist 4, pressure testers 5, data collector 6, gpib interface 7, PC machine 8 and printer processed
9, pressure generator 1 is connect with pressure control device 2, and pressure control device 2 connects with normal pressure module 3 and checklist 4 respectively
It connects, normal pressure module 3 uses DPI610HC type normal pressure mould, and for generating normal pressure, checklist 4 is adopted with the data
Storage 6 connects, and data collector 6 is connect with gpib interface 7, and gpib interface 7 is connect with PC machine 8, normal pressure module 3 and pressure
Tester 5 connects, and pressure testers 5 connect with PC machine 8, and PC machine 8 is connect with printer 9, PC machine 8 also with pressure control device 2
Connection.
As shown in Fig. 2, pressure control device 2 includes control unit 10, servo-driven module 11, servo motor 12, screw rod
Transmission device 13, piston-conveying pressure device 14 and pressure detecting feedback unit 15, control unit 10 are connect with servo-driven module 11,
Servo-driven module 11 is connect with servo motor 12, servo motor 12 and spindle gear 13, spindle gear 13 and work
It fills in pressure transfering apptss 14 to connect, is additionally provided with pressure detecting feedback unit 15 in the import and export of 2 pressure of pressure control device.
As shown in figure 3, spindle gear 13 includes that the shaft coupling 16 being connected with servo motor 12 and shaft coupling 16 are connected
Screw rod 17, be arranged with the first rolling bearing 18a, the first rolling bearing 18a bearing close to one end of shaft coupling 16 in screw rod 17
On sliding platform (19), servo motor 12 and shaft coupling 16 are fixed on sliding platform 19, and sliding platform 19 passes through bottom
With holes raised 25 are set on the guide rail 21 of hold-down support 20.
As shown in figure 4, piston-conveying pressure device 14 includes piston 22 and piston cylinder 23, piston 22 is set in piston cylinder 23,
The second rolling bearing 18b that connection is rolled with screw rod 17 is equipped in piston 22, piston 22 passes through the second rolling bearing 18b and silk
Bar 17 is connected far from one end of shaft coupling 16, is equipped in piston cylinder 23 close to one end of hold-down support 20 and is matched with screw rod 17
Nut 24, nut 24 are set on screw rod 17 and are fixed on piston cylinder 23.
Wherein, control unit 10 is dsp controller.
Wherein, servo motor 12 is AC servo motor.
Wherein, pressure detecting feedback unit 15 uses GDP Series Intelligent digital pressure module, module intension CPU, high speed
System output pressure signal directly can be converted into digital signal and give DSP core control unit by A/D, temperature sensor etc., be made
It is shown for pressure and feedback signal uses, eliminated DSP core control unit to the quantification treatment of pressure signal, improve system
The speed of response.
Wherein, pressure control device 2 is able to achieve the automatic regulation function of pressure, preset by inputting to PC machine 8
Pressure value generates deviation by comparing setting value and pressure feedback signal value to central processor unit, central processor unit
Signal adjusts AC servo motor by the adaptive Fuzzy PID Control adjuster of control unit 10, and AC servo motor passes through
Screw rod drives piston motion, to realize the automatic adjustment of pressure.
Wherein, data collector 6 is 34970A type data collector, the pressure which can generate checklist 4
Force signal is converted to electric signal, sends PC machine 8 to through gpib interface 7 and carries out calculation processing, finally provides measurement result and print
Output.
The above is only the embodiments of the present invention, are not intended to limit the scope of the utility model, all to utilize this
Equivalent process transformation made by the description of utility model is directly or indirectly applied in other correlative technology fields,
Similarly in the scope of patent protection of the utility model.
Claims (9)
1. a kind of pressure measurement verification system, it is characterised in that: including pressure generator (1), pressure control device (2), standard
Modular pressure (3), checklist (4), pressure testers (5), data collector (6), gpib interface (7), PC machine (8) and printer
(9), the pressure generator (1) connect with the pressure control device (2), the pressure control device (2) respectively with it is described
Normal pressure module (3) and checklist (4) connection, the checklist (4) connect with the data collector (6), the data
Collector (6) is connect with the gpib interface (7), and the gpib interface (7) connect with the PC machine (8), the normal pressure
Module (3) is connect with the pressure testers (5), and the pressure testers (5) connect with the PC machine (8), the PC machine (8)
It is connect with the printer (9), the PC machine (8) also connect with the pressure control device (2).
2. pressure measurement verification system according to claim 1, it is characterised in that: the pressure control device (2) includes
Control unit (10), servo-driven module (11), servo motor (12), spindle gear (13), piston-conveying pressure device (14)
And pressure detecting feedback unit (15), described control unit (10) are connect with servo-driven module (11), the servo-drive mould
Block (11) is connect with servo motor (12), the servo motor (12) and the spindle gear (13), the screw rod transmission
Device (13) is connect with piston-conveying pressure device (14), is additionally provided with pressure detecting in the import and export of pressure control device (2) pressure
Feedback unit (15).
3. pressure measurement verification system according to claim 2, it is characterised in that: the spindle gear (13) includes
The connected screw rod (17) of the shaft coupling (16) and shaft coupling (16) being connected with servo motor (12), in the screw rod (17) close to connection
One end of axis device (16) is arranged with the first rolling bearing (18a), and first rolling bearing (18a) is supported on sliding platform (19)
On, the servo motor (12) and shaft coupling (16) are fixed on sliding platform (19), and the sliding platform (19) passes through bottom
Raised (25) with holes be set on the guide rail (21) of hold-down support (20)；
The piston-conveying pressure device (14) includes piston (22) and piston cylinder (23), and the piston (22) is set to piston cylinder (23)
It is interior, the second rolling bearing (18b) that connection is rolled with screw rod (17) is equipped in the piston (22), the piston (22) passes through
Second rolling bearing (18b) is connect with screw rod (17) far from the one end of shaft coupling (16), in the piston cylinder (23) close to fixed
One end of support (20) is equipped with the nut (24) to match with screw rod (17), and the nut (24) is set on screw rod (17) and consolidates
It is scheduled on piston cylinder (23).
4. pressure measurement verification system according to claim 2, it is characterised in that: described control unit (10) is DSP control
Device processed.
5. pressure measurement verification system according to claim 2, it is characterised in that: the servo-driven module (11) uses
FR-ZS-10/10A drive module.
6. pressure measurement verification system according to claim 2, it is characterised in that: the servo motor (12) is that exchange is watched
Take motor.
7. a kind of pressure measurement verification system according to claim 2, it is characterised in that: the pressure detecting feedback unit
(15) GDP Series Intelligent digital pressure module is used.
8. pressure measurement verification system according to claim 1, it is characterised in that: the normal pressure module (3) uses
DPI610HC type normal pressure module, for generating normal pressure.
9. pressure measurement verification system according to claim 1, it is characterised in that: the data collector (6) is
34970A type data collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540022.7U CN208606940U (en) | 2018-09-20 | 2018-09-20 | A kind of pressure measurement verification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540022.7U CN208606940U (en) | 2018-09-20 | 2018-09-20 | A kind of pressure measurement verification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208606940U true CN208606940U (en) | 2019-03-15 |
Family
ID=65681127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821540022.7U Expired - Fee Related CN208606940U (en) | 2018-09-20 | 2018-09-20 | A kind of pressure measurement verification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208606940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924089A (en) * | 2021-02-02 | 2021-06-08 | 同济大学 | Intelligent automatic test system, method and device suitable for pressure gauge |
-
2018
- 2018-09-20 CN CN201821540022.7U patent/CN208606940U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924089A (en) * | 2021-02-02 | 2021-06-08 | 同济大学 | Intelligent automatic test system, method and device suitable for pressure gauge |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 Termination date: 20210920 |