CN219369023U - Pressure gauge calibrating instrument - Google Patents
Pressure gauge calibrating instrument Download PDFInfo
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- CN219369023U CN219369023U CN202223363204.0U CN202223363204U CN219369023U CN 219369023 U CN219369023 U CN 219369023U CN 202223363204 U CN202223363204 U CN 202223363204U CN 219369023 U CN219369023 U CN 219369023U
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- pressure gauge
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- controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a pressure gauge calibrating instrument, and relates to the field of pressure gauge calibration. The pressure gauge calibrating instrument comprises an instrument shell, an air inlet and an air outlet are respectively arranged in the instrument shell, the air inlet is communicated with the air outlet through a pipeline, an air pressure sensor is arranged at one branch of the air inlet end of the pipeline, an electric proportional valve is arranged between the air pressure sensor and the air outlet end of the pipeline, a control panel is arranged in the instrument shell and comprises an MCU controller, and the MCU controller is connected with the electric proportional valve and is connected with a keyboard controller. The utility model creatively adjusts the air pressure through the electric proportion, the precision can reach one thousandth, which is far higher than the precision of the common pressure gauge, and simultaneously adjusts the electric proportion valve voltage through the set knob, so that the air pressure is more accurate, and the detection equipment can be widely applied to the pressure detection of high-precision instruments.
Description
Technical Field
The utility model relates to the technical field of pressure gauge calibration, in particular to a pressure gauge calibration instrument.
Background
Pressure is one of main parameters required to be monitored/measured in an industrial process, pressure measurement directly relates to various links of the industrial process including test, manufacturing, test and the like, and whether the pressure measurement is accurate or not directly relates to reliability, stability, operation accuracy, result effectiveness and the like of the industrial process, particularly, as the intelligent process of industrial manufacturing goes deep, the accuracy (precision) of the pressure measurement not only influences yield and product reliability in terms of results, but also influences general performance and even feasibility of a manufacturing system.
The conventional pressure calibration method takes a pressure source capable of providing pressure as an example of a calibrated pressure meter, and takes a pressure meter or a pressure sensor with higher precision level than the calibrated pressure meter as a standard source, the pressure source is used for providing pressure for the calibrated pressure meter and the standard pressure meter at the same time, after the pressure is stable, the calibrated pressure meter and the standard pressure meter are compared and recorded, and the process is repeatedly performed on a plurality of metering points in the range of the pressure meter calibration, so that the calibration data of the pressure meter can be obtained, the calibrated pressure meter can be calibrated based on the data, the processes including loading of pressure, recording of data and the like are completed manually, so that the efficiency is low, and the problem of the data in the calibration process can be caused by the human uncertainty factor.
In the prior art, as disclosed in national patent (202111373814.6), a full-automatic pressure gauge calibrating device comprises a pressure loading device driven by a servo motor, a servo motor controller, a pressure controller, a data acquisition system, a man-machine interaction system and a report printing system. In the traditional pressure calibration method, loading of pressure, recording of data and the like are completed manually, so that efficiency is low, and the pressure calibration method is affected by human factors. In order to solve the problems, a full-automatic pressure gauge calibrating device is provided, which can automatically complete all calibrating processes of the pressure gauge, automatically collect and analyze data and provide a test report, thereby greatly improving the working efficiency and avoiding errors caused by human factors.
In the implementation process of the technical scheme, the external reference standard pressure gauge is needed, the device cannot be used independently, and the device is large in size and light; meanwhile, the detection precision is insufficient, and whether the system is qualified or not is judged by human eyes.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the pressure gauge calibrating instrument, simplifies the pressure gauge detection steps, reduces the use threshold of equipment, can independently detect the pressure gauges without contrasting with the standard pressure gauge, can rapidly detect the pressure gauges with different precision and different measuring ranges, does not need a complex debugging process, thereby improving the detection precision and automatically recording the qualification rate of the detected equipment.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the device comprises an instrument shell, wherein an air inlet and an air outlet are respectively arranged in the instrument shell, the air inlet is communicated with the air outlet through a pipeline, an air pressure sensor is arranged at one branch of the air inlet end of the pipeline, an electric proportional valve is arranged between the air pressure sensor and the air outlet end of the pipeline, and a control panel is arranged in the instrument shell;
the control panel comprises an MCU controller, the MCU controller is connected with the electric proportional valve, and the MCU controller is connected with a keyboard controller.
Preferably, the MCU controller is connected with a device display screen, the device display screen is arranged on one part of the surface of the instrument shell, and the MCU controller is connected with the air pressure sensor.
Preferably, the MCU controller is connected with a knob, the knob is connected with the electric proportional valve, and the knob is arranged on one place of the surface of the instrument shell.
Preferably, a control button is arranged on one part of the surface of the instrument shell, and the control button is connected with the MCU controller.
Preferably, the instrument shell is connected with an external controller through a cable, and the external controller is connected with a keyboard controller.
Preferably, the keyboard controller is disposed at one location on the surface of the instrument housing.
Preferably, the instrument shell is connected with a camera through a cable, the camera is just opposite to the dial plate of the pressure gauge to be tested, and the camera is connected with the MCU controller.
Working principle: when the device is specifically applied, an air inlet of the device is externally connected with air-adding equipment, the air-adding equipment is introduced into an internal pipeline, the air pressure of air inlet is detected through an air pressure sensor arranged on a branch of the pipeline, then the air-adding equipment is introduced into an electric proportional valve, the electric proportional valve carries out air-releasing adjustment on the input air pressure according to the preset air pressure in a keyboard controller, the air-adding equipment is connected to an air outlet through the pipeline, and finally the air-adding equipment is output to a pressure gauge to be calibrated and detected; meanwhile, during detection, the designated air pressure value can be directly input through the keyboard controller, so that manual adjustment of input air pressure is not needed during actual use, and the use threshold of equipment is reduced; meanwhile, the voltage is changed through the knob so as to change the output air pressure, and the output air pressure can be memorized without repeated setting; and MCU controller still can record the detection data, records the qualification condition of detecting the object, need not manual recording, accessible control button and equipment display screen cooperation are called when needs.
The utility model provides a pressure gauge calibration instrument. The beneficial effects are as follows:
the utility model creatively adjusts the air pressure through the electric proportion, the precision can reach one thousandth, which is far higher than the precision of the common pressure gauge, and simultaneously adjusts the electric proportion valve voltage through the set knob, so that the air pressure is more accurate, and the detection equipment can be widely applied to the pressure detection of high-precision instruments.
Drawings
FIG. 1 is a schematic block diagram of the structure of the present utility model;
FIG. 2 is a schematic block diagram of a control architecture of the present utility model;
FIG. 3 is a schematic diagram of a second embodiment of the present utility model;
FIG. 4 is a schematic diagram of a third embodiment of the present utility model;
fig. 5 is a schematic diagram of an embodiment of the present utility model.
1, an instrument shell; 2. an air pressure sensor; 3. an electrical proportional valve; 4. an MCU controller; 5. a device display screen; 6. a keyboard controller; 601. externally connecting a controller; 7. a knob; 8. control buttons.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-2, the embodiment of the utility model provides a pressure gauge calibrating instrument, which comprises an instrument shell 1, wherein an air inlet and an air outlet are respectively arranged in the instrument shell 1, the air inlet is communicated with the air outlet through a pipeline, an air pressure sensor 2 is arranged at one branch of the air inlet end of the pipeline, an electric proportional valve 3 is arranged between the air pressure sensor 2 and the air outlet end of the pipeline, and a control panel is arranged in the instrument shell 1;
the control panel comprises an MCU controller 4, the MCU controller 4 is connected with the electric proportional valve 3, and the MCU controller 4 is connected with a keyboard controller 6;
the keyboard controller 6 is used for presetting an air pressure value required by calibrating and detecting the pressure gauge, the electric proportional valve 3 is used for carrying out air release adjustment on the input air pressure according to the preset air pressure, is connected to the air outlet through a pipeline, and finally outputs the air pressure value to the pressure gauge to be detected;
the keyboard controller 6 is used for outputting a needed air pressure value signal to the MCU controller 4, the MCU controller 4 controls the electric proportional valve to deflate and adjust the input air pressure to the needed air pressure value according to the signal, the calibration and the detection of the pressure gauge are carried out, the output air pressure is initially adjusted through the electric proportional valve 3, the precision can reach one thousandth, and the precision is far higher than that of a common pressure gauge.
The MCU controller 4 is connected with an equipment display screen 5, the equipment display screen 5 is arranged on one part of the surface of the instrument shell 1, and the MCU controller 4 is connected with the air pressure sensor 2;
the device display screen 5 is used for displaying the air pressure value in the internal pipeline and the air pressure value output after being regulated by the electric proportional valve 3.
The MCU controller 4 is connected with a knob 7, the knob 7 is connected with the electric proportional valve 3, and the knob 7 is arranged on one position of the surface of the instrument shell 1.
The MCU controller 4 receives the signal of the knob 7 and controls the electric proportional valve 3 to output air pressure, so that the air pressure passing through the electric proportional valve 3 can be conveniently adjusted, and meanwhile, the knob 7 can automatically memorize the current adjustment state without repeated setting.
A control button 8 is arranged on one part of the surface of the instrument shell 1, and the control button 8 is connected with the MCU controller 4.
The control button 8 is used to cooperate with the device display 5, and can set the preset pressure value stored in the keyboard controller 6, so that the input air pressure is not required to be manually adjusted during actual use, and the use threshold of the device is reduced.
The MCU controller 4 can record detection data, record the qualification condition of the detection object, does not need manual recording, and stores the detection data into storage equipment in the control panel, so that later retrieval and check are facilitated;
embodiment two:
as shown in fig. 3, the present embodiment is different from the first embodiment in that:
the instrument shell 1 is connected with an external controller 601 through a cable, and the external controller 601 is connected with a keyboard controller 6;
the external controller 601 is matched with the keyboard controller 6, so that the external controller can directly send synchronous data gear signals of the air pressure stored in the keyboard controller 6 to the MUC controller 4 while memorizing a plurality of data of the detected air pressure, and the data air pressure can be appointed to be detected without additional adjustment.
Embodiment III:
as shown in fig. 4, the first difference between the present embodiment and the embodiment is that:
the keyboard controller 6 is arranged on one part of the surface of the instrument shell 1;
the keyboard controller 6 is directly arranged on the surface of the instrument, so that the standard air pressure value can be directly input and memorized when the pressure gauge is used for detecting, and the operation threshold of the equipment is reduced.
Embodiment four:
as shown in fig. 5, this embodiment differs from the above embodiment in that:
the instrument shell 1 is connected with a camera 9 through a cable, the camera 9 is arranged right on the dial of the pressure gauge to be tested, and the camera 9 is connected with the MCU controller 4.
The camera 9 is a CCD image sensor, and is externally connected with the camera 9 through the MCU controller 4, so that whether the pointer deflection of the pressure gauge is qualified or not can be directly detected, feedback of detection results is performed, and meanwhile, shot image files can be stored in storage equipment in the control panel.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Pressure gauge calibration instrument, its characterized in that: the intelligent air conditioner comprises an instrument shell (1), wherein an air inlet and an air outlet are respectively arranged in the instrument shell (1), the air inlet is communicated with the air outlet through a pipeline, an air pressure sensor (2) is arranged at one branch of the pipeline, an electric proportional valve (3) is arranged between the air pressure sensor (2) and the air outlet end of the pipeline, and a control panel is arranged in the instrument shell (1);
the control panel comprises an MCU controller (4), the MCU controller (4) is connected with an electric proportional valve (3), and the MCU controller (4) is connected with a keyboard controller (6).
2. The pressure gauge calibration instrument of claim 1, wherein: the MCU controller (4) is connected with a device display screen (5), the device display screen (5) is arranged on one position of the surface of the instrument shell (1), and the MCU controller (4) is connected with the air pressure sensor (2).
3. The pressure gauge calibration instrument of claim 1, wherein: the MCU controller (4) is connected with a knob (7), the knob (7) is connected with the electric proportional valve (3), and the knob (7) is arranged on one position of the surface of the instrument shell (1).
4. The pressure gauge calibration instrument of claim 1, wherein: a control button (8) is arranged on one part of the surface of the instrument shell (1), and the control button (8) is connected with the MCU controller (4).
5. The pressure gauge calibration instrument of claim 1, wherein: the instrument shell (1) is connected with an external controller (601) through a cable, and the external controller (601) is connected with a keyboard controller (6).
6. The pressure gauge calibration instrument of claim 1, wherein: the keyboard controller (6) is arranged on one position of the surface of the instrument shell (1).
7. The pressure gauge calibration instrument of claim 1, wherein: the instrument shell (1) is connected with a camera (9) through a cable, the camera (9) is just opposite to the dial plate of the pressure gauge to be tested, and the camera (9) is connected with the MCU controller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223363204.0U CN219369023U (en) | 2022-12-15 | 2022-12-15 | Pressure gauge calibrating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223363204.0U CN219369023U (en) | 2022-12-15 | 2022-12-15 | Pressure gauge calibrating instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219369023U true CN219369023U (en) | 2023-07-18 |
Family
ID=87116483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223363204.0U Active CN219369023U (en) | 2022-12-15 | 2022-12-15 | Pressure gauge calibrating instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219369023U (en) |
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2022
- 2022-12-15 CN CN202223363204.0U patent/CN219369023U/en active Active
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