CN214538355U - Pressure equipment verification system - Google Patents
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- CN214538355U CN214538355U CN202120257841.6U CN202120257841U CN214538355U CN 214538355 U CN214538355 U CN 214538355U CN 202120257841 U CN202120257841 U CN 202120257841U CN 214538355 U CN214538355 U CN 214538355U
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Abstract
The utility model discloses a pressure equipment verification system, relating to the technical field of pressure verification, comprising an air source and a pressure verification cabin; the gas source is used for being communicated with the pressure verification cabin or the tested pressure equipment, wherein the gas source is used for generating standard pressure gas with a set pressure value; and the pressure verification cabin is used for providing a standard pressure environment with a set pressure value for the tested pressure equipment. Aiming at the technical problem that the calibration requirements of various pressure equipment cannot be met, the calibration device can meet the calibration requirements of various pressure equipment.
Description
Technical Field
The utility model relates to a pressure verification technical field, concretely relates to pressure equipment verification system.
Background
The variety of pressure equipment in the market is various, such as pointer type and digital display type; when the equipment is verified, a plurality of verification systems are needed to adapt to the verification requirements of the pressure equipment, which is inconvenient for a verification party. The calibration process of the related pressure equipment needs a standard pressure gauge for comparison and calibration, but the method is inconvenient and not intuitive. As in the chinese invention patent application, publication (announcement) no: CN 107860505A; the publication date is as follows: 2018-03-30; the utility model discloses a pressure instrument equipment all-round calibrating installation, which comprises a fixing plate and i, the downside four corners department of fixed plate all is equipped with the pad foot, hydraulic pressure verification mechanism and atmospheric pressure verification mechanism are installed to the upside of fixed plate, hydraulic pressure verification mechanism includes the hydraulic pressure pump body, the hydraulic pressure pump body is connected with hydraulic pressure micromatic setting through first communicating pipe, the hydraulic pressure pump body is connected with the stop valve through the second communicating pipe, hydraulic pressure micromatic setting is connected with the stop valve through the third communicating pipe, hydraulic pressure micromatic setting is connected with hydraulic pressure standard table output socket through the fourth communicating pipe, hydraulic pressure standard table output socket is connected with hydraulic pressure through fifth communicating pipe and is examined the table output socket, atmospheric pressure verification mechanism includes the atmospheric pressure pump body. The invention can simultaneously carry out hydraulic verification and pneumatic verification on the pressure instrument, but the accuracy of the pressure verification of the scheme is lower, and higher-precision verification cannot be realized.
As the Chinese utility model patent, the publication number: CN 208505526U; the publication date is as follows: 2019-02-15; the disclosed air pressure generating device comprises an MCU processing module, a control unit module and at least two air pressure generating modules; the MCU processing module is used for acquiring input signals of a user; and the control unit module is coupled with the MCU processing module, receives and controls each air pressure generating module to output the air pressure standard meeting the user requirement according to the input signal. The utility model is provided with at least two air pressure generating modules, and can output at least two same or different air pressure standards simultaneously; the requirement of verification cannot be met.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
To the technical problem that can't satisfy multiple type of pressure equipment examination demand, the utility model provides a pressure equipment examination system, it can satisfy multiple type of pressure equipment examination demand.
2. Technical scheme
In order to solve the above problem, the utility model provides a technical scheme does:
a pressure equipment verification system comprises a gas source and a pressure verification cabin; the gas source is used for being communicated with the pressure verification cabin or the tested pressure equipment, wherein the gas source is used for generating standard pressure gas with a set pressure value; and the pressure verification cabin is used for providing a standard pressure environment with a set pressure value for the tested pressure equipment.
Optionally, the pressure verification device further comprises a pressure controller, and the pressure controller is connected with both the gas source and the pressure verification cabin. The pressure controller sends an electric signal to the gas source to control the gas source to generate standard pressure gas with a set pressure value, and the pressure controller is connected with the pressure verification cabin and used for monitoring the actual pressure environment of the pressure verification cabin and displaying the actual pressure environment on the pressure controller.
Optionally, the pressure testing device further comprises a pressure controller, and the pressure controller is connected with the tested pressure equipment communicated with the air source or connected with the pressure verification cabin.
Optionally, the gas source includes an inlet and an outlet communicated with the pressure verification cabin or the pressure equipment to be detected; the air source electric interface, the air pressure generating unit, the control unit, the switch and the display module are also included; the air pressure generating unit is communicated with the air inlet and the air outlet and is connected with the display module; the control unit is connected with the air source electrical interface and the air source switch.
Optionally, the pressure verification cabin comprises a cabin body and a cabin body power supply interface arranged in the cabin body; the air source interface is arranged on the cabin body and is communicated with an air source; the cabin body is provided with an openable cabin cover; the cabin body is matched with the cabin cover in a sealing way; the outer side of the cabin body is provided with a cabin body power supply interface and a cabin body switch which are sequentially connected with the cabin body power supply interface; the cabin body or the cabin cover is provided with a transparent window.
Optionally, the pressure controller includes a plurality of pressure verification modules, an electrical interface unit, a pressure setting module and a display module; the device also comprises a pressure adjusting unit and a pressure control unit; the pressure verification module comprises an external air source port, a measurement pressure supply port, a standard connector connecting port and a pressure relief port; the pressure measuring and supplying port, the external air source port and the standard device connecting port are all connected with the pressure adjusting unit; the electric interface unit, the pressure setting module, the display module and the pressure adjusting unit are all connected with the pressure control unit; the external air source port, the measurement pressure supply port, the standard device connecting port and the pressure relief port are all connected with the pressure regulating unit.
Optionally, the external air source port includes an external air source negative port and an external air source positive port, and both the external air source negative port and the external air source positive port are used for being connected with an external air source; and the external air source negative port and the external air source positive port are communicated with the pressure regulating unit.
Optionally, the pressure measurement and supply port includes a pressure measurement and supply input port and a pressure control and output supply port; the measurement pressure supply input port and the control output pressure supply port are communicated with the pressure adjusting unit.
Optionally, the pressure regulating unit includes an air pump, a pressure sensor, an electromagnetic valve, a flow meter and an air chamber, which are connected to the control unit; an air suction pump, a pressure sensor, an electromagnetic valve and a flowmeter are arranged on the passages of the standard connector connecting port, the pressure relief port, the external air source port and the measuring pressure supply port communicated with the air bin; and a pressure sensor is also arranged in the gas bin.
Optionally, the cabin is internally provided with a temperature sensor, a refrigerating device and a heating device which are connected with a cabin power interface, the cabin is externally provided with a controller and a display which are connected with the cabin power interface, and the temperature sensor, the refrigerating device, the heating device and the display are all connected with the controller.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the gas source can generate standard pressure gas with a specified pressure value, the standard pressure gas with the specified pressure value is set according to requirements, and the gas source is used for supplying the standard pressure gas with the specified pressure value to the pressure verification cabin; so that the pressure verification cabin reaches the standard pressure environment of the set pressure value.
In the verification process, the pressure equipment to be detected can be directly communicated with the air source or placed in the pressure verification cabin according to different application or use methods of the pressure equipment to be detected. In the above manner, in the full-range pressure range of a certain pressure device to be tested, according to the calibration standard of the corresponding pressure device to be tested, such as the specification of the national standard, the industrial standard, the enterprise standard or other documents, the pressure value to be calibrated is selected, and the gas source is set to output the pressure gas with the pressure value to be calibrated, so that the pressure gas is supplied to the pressure device to be tested or the pressure calibration cabin to form the standard pressure environment with the corresponding pressure value. The measured pressure equipment communicated with the air source can display pressure readings; or the measured pressure equipment in the pressure verification cabin can display pressure reading for recording; and in the pressure range of the tested pressure equipment, point positions with set pressure values are carried out one by one to carry out the detection and recording processes, and the full-range verification of the tested pressure equipment is completed. The pressure equipment verification system of the embodiment can meet the verification of pointer type or digital display type pressure equipment to be detected, and can be selected according to the use method of the pressure equipment to be detected.
Drawings
Fig. 1 is a schematic structural diagram of a pressure equipment calibration system according to an embodiment of the present invention.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The utility model discloses in words such as first, second, be for the description the utility model discloses a technical scheme is convenient and set up, and does not have specific limiting action, is general finger, right the technical scheme of the utility model does not constitute limiting action. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and between the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, which is all within the scope of the present invention.
Example 1
As shown in fig. 1, a pressure equipment verification system includes a gas source and a pressure verification chamber; the gas source is used for being communicated with the pressure verification cabin or the tested pressure equipment, wherein the gas source is used for generating standard pressure gas with a set pressure value; and the pressure verification cabin is used for providing a standard pressure environment with a set pressure value for the tested pressure equipment. The gas source can generate standard pressure gas with a specified pressure value, the standard pressure gas with the specified pressure value is set according to requirements, and the gas source is used for supplying the standard pressure gas with the specified pressure value to the pressure verification cabin; so that the pressure verification cabin reaches the standard pressure environment of the set pressure value.
In the verification process, the pressure equipment to be detected can be directly communicated with the air source or placed in the pressure verification cabin according to different application or use methods of the pressure equipment to be detected. In the above manner, in the full-range pressure range of a certain pressure device to be tested, according to the calibration standard of the corresponding pressure device to be tested, such as the specification of the national standard, the industrial standard, the enterprise standard or other documents, the pressure value to be calibrated is selected, and the gas source is set to output the pressure gas with the pressure value to be calibrated, so that the pressure gas is supplied to the pressure device to be tested or the pressure calibration cabin to form the standard pressure environment with the corresponding pressure value. The measured pressure equipment communicated with the air source can display pressure readings; or the measured pressure equipment in the pressure verification cabin can display pressure reading for recording; and in the pressure range of the tested pressure equipment, point positions with set pressure values are carried out one by one to carry out the detection and recording processes, and the full-range verification of the tested pressure equipment is completed. The pressure equipment verification system of the embodiment can meet the verification of pointer type or digital display type pressure equipment to be detected, and can be selected according to the use method of the pressure equipment to be detected.
As an optional implementation manner of this embodiment, the pressure verification device further includes a pressure controller, and the pressure controller is connected to both the gas source and the pressure verification cabin. The pressure controller sends an electric signal to the gas source to control the gas source to generate standard pressure gas with a set pressure value, and the pressure controller is connected with the pressure verification cabin and used for monitoring the actual pressure environment of the pressure verification cabin and displaying the actual pressure environment on the pressure controller.
Example 2
Compared with the embodiment 1, the pressure equipment verification system further comprises a pressure controller, wherein the pressure controller is connected with the tested pressure equipment communicated with the air source or connected with the pressure verification cabin.
For the pressure device to be measured without displaying the reading, for example, the pressure device to be measured externally connected to a terminal such as a computer for reading through a data line, the pressure device to be measured may be connected to the pressure controller for reading the pressure reading of the pressure device to be measured. In the verification process, in the full-range pressure range of the tested pressure equipment, according to the verification standard of the tested pressure equipment, such as the specification of the national standard, the industrial standard, the enterprise standard and other documents, the pressure value to be verified is selected, and the gas source is set so as to output the pressure gas with the pressure value required to be verified by the gas source, so that the pressure gas is supplied to the tested pressure equipment or the pressure verification cabin to form a standard pressure environment with the corresponding pressure value. The pressure equipment to be measured communicated with the air source is connected with the pressure controller to display the actual pressure value in the verification process, the pressure equipment to be measured placed in the pressure verification cabin is connected with the pressure controller through the pressure verification cabin to display the actual pressure value in the verification process, and the full-range verification of the pressure equipment to be measured is completed.
As an optional implementation manner of this embodiment, the gas source includes a gas inlet and a gas outlet communicated with the pressure verification cabin or the pressure equipment to be detected; the air source electric interface, the air pressure generating unit, the control unit, the switch and the display module are also included; the air pressure generating unit is communicated with the air inlet and the air outlet and is connected with the display module; the control unit is connected with the air source electrical interface and the air source switch.
The control unit controls the air source to output standard pressure gas with a set pressure value, and the display module is used for indicating the gas with a corresponding pressure value generated by the air pressure generation unit, and parameters such as a corresponding gas pressurization rate, a pressure reduction rate and the like. The air source electrical interface is used for providing an external power interface, a power switch, a data input and output interface and the like for the control unit, and the cabin body switch is used for controlling whether the air source works or is started. The external power supply is connected to the air supply of this embodiment, does not need the great battery power supply of volume, has reduced the volume size, and light in weight is convenient for carry and move, and display module can look over the gaseous pressure boost speed and the step-down speed of atmospheric pressure generating unit directly perceivedly.
As an optional implementation manner of this embodiment, the gas source electrical interface includes a USB interface, a LAN ethernet interface, an RS232/R485 interface, a power switch, and a power interface; and the USB interface, the LAN Ethernet interface, the RS232/R485 interface, the power switch and the power interface are all connected with the control unit. So that the air supply communicates with the outside through different interfaces, the power interface is used for external power supply, and the power switch controls whether the power supply supplies power for the air supply.
The air pressure generating unit comprises an air suction pump, a pressure sensor, an electromagnetic valve, an air bin, a positive pressure pipeline and a negative pressure pipeline; the air inlet is communicated with both the positive pressure pipeline and the negative pressure pipeline, the positive pressure pipeline and the negative pressure pipeline are communicated with the air bin, the electromagnetic valve and the flowmeter are arranged on the pipeline of the air bin communicated with the air outlet, the negative pressure pipeline and the positive pressure pipeline are respectively provided with the electromagnetic valve and the flowmeter, and the positive pressure pipeline is provided with the air pump; and a pressure sensor is arranged on a pipeline for communicating the gas bin with the gas outlet.
As an optional implementation manner of this embodiment, the pressure verification cabin includes a cabin body, and a cabin body power supply interface disposed in the cabin body; the air source interface is arranged on the cabin body and is communicated with an air source; the cabin body is provided with an openable cabin cover; the cabin body is matched with the cabin cover in a sealing way; the outer side of the cabin body is provided with a cabin body power supply interface and a cabin body switch which are sequentially connected with the cabin body power supply interface; the cabin body or the cabin cover is provided with a transparent window.
Opening a cabin cover, putting a plurality of air-box barometers to be verified into a cabin body, connecting the air-box barometers to a cabin body power supply interface of the cabin body, covering the cabin cover, communicating an air source capable of setting a standard pressure value with a cabin body air source interface on the cabin body, wherein the cabin body power source interface is used for being externally connected with a power supply, adjusting the pressure value of the air source introduced into the cabin body by the air source, ensuring that the pressure environment in the cabin body reaches an appointed standard pressure value, opening a switch, observing the reading of the air-box barometers through a transparent window, and recording; and adjusting the standard pressure value of the air source introduced into the cabin body by the air source again, and repeating the above manner to realize the full verification of the pressure range of the air cell barometer. The cabin body is matched with the cabin cover in a sealing way; and the cabin body air source interface and the cabin body power source interface on the cabin body have fewer openings, so that the air tightness of the pressure verification cabin of the embodiment can be ensured, the pressure environment in the pressure verification cabin is kept stable, and the accuracy of the calibration and detection process is improved.
As an optional implementation manner of this embodiment, the pressure controller includes a plurality of pressure verification modules, an electrical interface unit, a pressure setting module and a display module; the device also comprises a pressure adjusting unit and a pressure control unit; the pressure verification module comprises an external air source port, a measurement pressure supply port, a standard connector connecting port and a pressure relief port; the pressure measuring and supplying port, the external air source port and the standard device connecting port are all connected with the pressure adjusting unit; the electric interface unit, the pressure setting module, the display module and the pressure adjusting unit are all connected with the pressure control unit; the external air source port, the measurement pressure supply port, the standard device connecting port and the pressure relief port are all connected with the pressure regulating unit.
The electric interface unit realizes the functions of power supply and data input and output, the pressure verification module is externally connected with an air source through an external air source port, a measurement pressure supply port is connected with pressure equipment to be detected or equipment for pressure verification, a standard device connecting port is used for connecting a pressure standard device, and a pressure relief port is used for relieving pressure; the module communication interface is used for outputting data of the pressure verification module; the pressure adjusting module is used for adjusting the verification pressure value of each pressure verification module, and the pressure adjusting unit is used for adjusting the pressure so as to output gas according with the pressure value set by the pressure setting module; the display module is used for indicating parameters such as a pressure value, a pressurization rate, a depressurization rate and the like of the pressure adjusting unit; and the pressure setting value of the pressure setting module. The set pressure value is transmitted to the control unit through the pressure setting module, and the pressure control unit controls the pressure adjusting unit to adjust the pressure, so that the output pressure values of the pressure supply port and the standard connector port are consistent with the set pressure value of the pressure setting module; the automatic pressure adjustment is realized, and pressure values with different values can be set through a pressure setting module; the feedback and correction of the pressure value are realized through a closed loop system formed by the pressure setting module, the pressure control unit and the pressure adjusting unit, and finally the output pressure values of the pressure measuring and supplying port and the standard device connecting port are consistent with the set pressure value of the pressure setting module or within an allowable error range.
As an optional implementation manner of this embodiment, the external air source port includes an external air source negative port and an external air source positive port, and both the external air source negative port and the external air source positive port are used for being connected with an external air source; and the external air source negative port and the external air source positive port are communicated with the pressure regulating unit.
As an optional implementation manner of this embodiment, the measurement pressure supply port includes a measurement pressure supply input port and a control output pressure supply port; the measurement pressure supply input port and the control output pressure supply port are communicated with the pressure adjusting unit.
As an optional implementation manner of this embodiment, the pressure adjusting unit includes an air pump, a pressure sensor, an electromagnetic valve, and a flow meter connected to the control unit, and further includes an air chamber; an air suction pump, a pressure sensor, an electromagnetic valve and a flowmeter are arranged on the passages of the standard connector connecting port, the pressure relief port, the external air source port and the measuring pressure supply port communicated with the air bin; and a pressure sensor is also arranged in the gas bin.
As an optional implementation manner of this embodiment, the cabin is internally provided with a temperature sensor, a refrigerating device and a heating device which are connected with a cabin power interface, the cabin is externally provided with a controller and a display which are connected with the cabin power interface, and the temperature sensor, the refrigerating device, the heating device and the display are all connected with the controller.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. A pressure equipment verification system is characterized by comprising a gas source and a pressure verification cabin; the gas source is used for being communicated with the pressure verification cabin or the tested pressure equipment, wherein the gas source is used for generating standard pressure gas with a set pressure value;
and the pressure verification cabin is used for providing a standard pressure environment with a set pressure value for the tested pressure equipment.
2. The pressure equipment verification system of claim 1, further comprising a pressure controller, wherein the pressure controller is connected to both the gas source and the pressure verification chamber.
3. A pressure equipment verification system as claimed in claim 1, further comprising a pressure controller connected to the pressure equipment under test in communication with the gas source or to the pressure verification chamber.
4. A pressure equipment verification system as claimed in claim 1, wherein said gas source comprises an inlet and outlet port communicating with the pressure verification chamber or the pressure equipment under test; the air source electric interface, the air pressure generating unit, the control unit, the switch and the display module are also included;
the air pressure generating unit is communicated with the air inlet and the air outlet and is connected with the display module;
the control unit is connected with the air source electrical interface and the air source switch.
5. The pressure equipment verification system according to claim 1, wherein the pressure verification chamber comprises a chamber body, a chamber body power supply interface arranged in the chamber body; the air source interface is arranged on the cabin body and is communicated with an air source;
the cabin body is provided with an openable cabin cover; the cabin body is matched with the cabin cover in a sealing way;
the outer side of the cabin body is provided with a cabin body power supply interface and a cabin body switch which are sequentially connected with the cabin body power supply interface;
the cabin body or the cabin cover is provided with a transparent window.
6. The pressure equipment certification system of claim 2, wherein the pressure controller comprises a plurality of pressure certification modules, an electrical interface unit, a pressure setting module and a display module; the device also comprises a pressure adjusting unit and a pressure control unit; wherein,
the pressure verification module comprises an external air source port, a measurement pressure supply port, a standard connector connecting port and a pressure relief port;
the pressure measuring and supplying port, the external air source port and the standard device connecting port are all connected with the pressure adjusting unit;
the electric interface unit, the pressure setting module, the display module and the pressure adjusting unit are all connected with the pressure control unit;
the external air source port, the measurement pressure supply port, the standard device connecting port and the pressure relief port are all connected with the pressure regulating unit.
7. The pressure equipment calibration system according to claim 6, wherein the external gas source port comprises an external gas source negative port and an external gas source positive port, and the external gas source negative port and the external gas source positive port are both used for being connected with an external gas source; and the external air source negative port and the external air source positive port are communicated with the pressure regulating unit.
8. The pressure equipment certification system of claim 6, wherein the measurement pressure supply port comprises a set = measurement pressure supply input port and a control output pressure supply port; the measurement pressure supply input port and the control output pressure supply port are communicated with the pressure adjusting unit.
9. The pressure equipment verification system according to claim 8, wherein the pressure regulating unit comprises an air suction pump, a pressure sensor, a solenoid valve and a flow meter which are connected with the control unit, and further comprises an air bin;
an air suction pump, a pressure sensor, an electromagnetic valve and a flowmeter are arranged on the passages of the standard connector connecting port, the pressure relief port, the external air source port and the measuring pressure supply port communicated with the air bin; and a pressure sensor is also arranged in the gas bin.
10. The pressure equipment calibration system as claimed in claim 5, wherein the cabin is internally provided with a temperature sensor, a refrigerating device and a heating device which are connected with a cabin power interface, the cabin is externally provided with a controller and a display which are connected with the cabin power interface, and the temperature sensor, the refrigerating device, the heating device and the display are all connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120257841.6U CN214538355U (en) | 2021-01-29 | 2021-01-29 | Pressure equipment verification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120257841.6U CN214538355U (en) | 2021-01-29 | 2021-01-29 | Pressure equipment verification system |
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| Publication Number | Publication Date |
|---|---|
| CN214538355U true CN214538355U (en) | 2021-10-29 |
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| CN202120257841.6U Expired - Fee Related CN214538355U (en) | 2021-01-29 | 2021-01-29 | Pressure equipment verification system |
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2021
- 2021-01-29 CN CN202120257841.6U patent/CN214538355U/en not_active Expired - Fee Related
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Granted publication date: 20211029 |