Method and device for testing static pressure of flange transmitter

Abstract

The invention provides a flange transmitter static pressure test method and device, and the device comprises an upper computer, a programmable logic control unit, an information collection unit, a gas supply unit, a pressing unit, and a plurality of test stations, the upper computer is in communication connection with the programmable logic control unit and the information collection unit, and the gas supply unit is in communication connection with the information collection unit. The programmable logic control unit is electrically connected with the air supply unit and the pressing unit respectively, static pressure test software is loaded in the upper computer, and the upper computer is used for sending control instructions to the air supply unit and the pressing unit through the programmable logic control unit and controlling the information acquisition unit to acquire test data of each test station; and the gas supply unit is used for providing gas for the gas passage of the pressing unit or releasing the gas in the gas passage of the pressing unit, so that the pressing unit presses the transmitter flange plate on the test station or loosens the transmitter flange plate. Therefore, the static pressure testing process of the transmitter can be simplified, manual intervention is reduced, and testing efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of production and testing, and in particular to a method and device for testing static pressure of a flange transmitter. Background Art

[0002] During the manufacturing process, static pressure testing of transmitters is an important test item in the production process. At present, static pressure testing adopts the operation mode of manually placing the flange and manually locking the flange. In the process of locking the flange, it takes about 5 minutes. During the pressure test, it is very easy to leak, and it is necessary to re-tighten the bolts and perform the pressure test again.

[0003] At present, one test device can test at most two transmitters, and the average test time is 40 minutes. The operator needs to run to the upper computer to view the test data and judge whether it is qualified according to the test results. Even if it is qualified, it takes about 3 minutes to remove the tooling and bolts. The entire static pressure production is not only time-consuming and labor-intensive, but also inefficient. Summary of the invention

[0004] In view of the defects in the prior art, an object of the present invention is to provide a method and device for testing static pressure of a flange transmitter.

[0005] In the first aspect, the embodiment of the present application provides a static pressure test device for a flange transmitter, comprising: a host computer, a programmable logic control unit, an information acquisition unit, an air supply unit, a clamping unit, and a plurality of test stations, wherein the host computer is respectively communicated with the programmable logic control unit and the information acquisition unit, and the programmable logic control unit is respectively electrically connected with the air supply unit and the clamping unit, wherein:

[0006] The host computer is loaded with static pressure test software, which is used to send control instructions to the air supply unit and the clamping unit through the programmable logic control unit, and control the information acquisition unit to collect test data of each test station;

[0007] The gas supply unit is used to supply gas to the gas passage of the clamping unit or release the gas in the gas passage of the clamping unit, so that the clamping unit clamps the transmitter flange located on the test station or loosens the transmitter flange.

[0008] Optionally, the gas supply unit comprises: a gas source, a gas path control element, and a gas pressure regulating element;

[0009] The gas source is connected to the pneumatic input port of the pressing unit through a gas passage, and at least one gas passage control element and a gas pressure regulating element are arranged on the gas passage;

[0010] The gas path control element is used to control the on and off of the gas path;

[0011] The gas pressure regulating element is used to control the gas pressure in the gas passage.

[0012] Optionally, the gas circuit control element includes: a solenoid valve and a one-way valve.

[0013] The air pressure regulating element includes: a flow regulating valve and a pressure sensor.

[0014] Optionally, the clamping unit comprises: a pneumatic clamping module and a hydraulic lifting module, the test station comprises a refueling product tray seat, the pneumatic clamping module is located above the refueling product tray seat, the refueling product tray seat is located on the hydraulic lifting module, and the pneumatic input port of the pneumatic clamping module is connected to the air supply unit, wherein:

[0015] When the pneumatic pressing module is connected to the air source, it moves downward to press the transmitter flange on the refueling product tray, and the hydraulic lifting module moves upward so that the pneumatic pressing module and the hydraulic lifting module simultaneously press the transmitter flange on the refueling product tray;

[0016] When the pneumatic clamping module is disconnected from the air source, it moves upward to loosen the transmitter flange on the material replacement product pan, and the hydraulic lifting module moves downward so that the pneumatic clamping module and the hydraulic lifting module simultaneously loosen the transmitter flange on the material replacement product pan.

[0017] Optionally, each test station corresponds to an independent air supply branch, and the air supply unit's air path control element controls the on and off of each air supply branch according to a control instruction issued by the programmable logic control unit.

[0018] Optionally, it also includes: a power-on unit, which is used to power on the sensors of each test station so that the sensor collects test data according to the control instructions of the information collection unit, and sends the test data to the host computer through the information collection unit.

[0019] In a second aspect, an embodiment of the present application provides a flange transmitter static pressure test method, which can be applied to the flange transmitter static pressure test device described in any one of the first aspects, and the method includes:

[0020] Start the static pressure test software in the host computer and prepare to perform static pressure test on the transmitter;

[0021] Placing the transmitter to be tested at a designated position of the test station;

[0022] Connecting the transmitter to be tested and powering it on, so that the transmitter to be tested is in a state to be tested;

[0023] Read the base station information of the transmitter to be tested through the static pressure test software of the host computer, the basic information includes: model, serial number;

[0024] After the basic information is read, the transmitter static pressure test process is started;

[0025] Automatically controlling the air supply unit to supply air to the pressing unit, so as to press the flange of the transmitter through the pressing unit;

[0026] After the static pressure test is completed, the air supply unit is automatically shut down, and the clamping unit is controlled to rise to release the flange of the transmitter;

[0027] The static pressure test software of the host computer automatically determines the static pressure test results, records the test data, and generates a test report.

[0028] Optionally, the method further comprises:

[0029] During the static pressure test, the static pressure test software of the host computer monitors the test parameters in real time to ensure that the test conditions meet the preset standards.

[0030] In a third aspect, an embodiment of the present application provides a flange transmitter static pressure test device, including: a processor and a memory, wherein the memory stores executable program instructions, and when the processor calls the program instructions in the memory, the processor is used to:

[0031] Execute the steps of the flange transmitter static pressure testing method as described in any one of the second aspects.

[0032] In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium for storing a program, which, when executed, implements the steps of the flange transmitter static pressure testing method as described in any one of the second aspects.

[0033] Compared with the prior art, the present invention has the following beneficial effects:

[0034] In the present application, a host computer, a programmable logic control unit, an information collection unit, a gas supply unit, a clamping unit, and a plurality of test stations are provided. The host computer is respectively connected to the programmable logic control unit and the information collection unit for communication. The programmable logic control unit is respectively connected to the gas supply unit and the clamping unit for electrical communication. The programmable logic control unit is loaded with static pressure test software in the host computer to control the programmable logic control unit to send control instructions to the gas supply unit and the clamping unit, and to control the information collection unit to collect test data of each test station. The gas supply unit provides gas to the gas passage of the clamping unit or releases the gas in the gas passage of the clamping unit, so that the clamping unit clamps the transmitter flange located on the test station, or releases the transmitter flange. Thus, the automatic clamping test of the transmitter can be realized without manual intervention, simplifying the operation process, achieving the purpose of real-time data interaction, shortening the operator's operation time, and realizing simultaneous testing of multiple transmitters, improving test efficiency, and increasing production capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings in the following descriptions are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without creative work. By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, purposes and advantages of the present invention will become more obvious:

[0036] Figure 1 A schematic diagram of the structure of a static pressure test device for a flange transmitter provided in an embodiment of the present application;

[0037] Figure 2 A schematic diagram of the structure of the air supply unit provided in the embodiment of the present application;

[0038] Figure 3 A schematic diagram of the structure of the compression unit provided in an embodiment of the present application. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0040] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0042] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein, for example, can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0043] The following specific embodiments are used to describe in detail the technical solution of the present invention and how the technical solution of the present application solves the above technical problems. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

[0044] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0045] For example, Figure 1 A schematic diagram of the structure of a static pressure test device for a flange transmitter provided in an embodiment of the present application is shown in FIG. Figure 1As shown, the device in this embodiment may include: a host computer, a programmable logic control unit, an information acquisition unit, a gas supply unit, a clamping unit, and multiple test stations, the host computer is respectively communicated with the programmable logic control unit and the information acquisition unit, and the programmable logic control unit is respectively electrically connected with the gas supply unit and the clamping unit, wherein: the host computer is loaded with static pressure test software, which is used to send control instructions to the gas supply unit and the clamping unit through the programmable logic control unit, and control the information acquisition unit to collect test data of each test station; the gas supply unit is used to provide gas to the gas passage of the clamping unit or release the gas in the gas passage of the clamping unit, so that the clamping unit clamps the transmitter flange located on the test station, or loosens the transmitter flange.

[0046] In some optional embodiments, the above-mentioned device also includes: a power-on unit, which is used to power on the sensors of each test station so that the sensor collects test data according to the control instructions of the information acquisition unit, and sends the test data to the host computer through the information acquisition unit.

[0047] In some optional embodiments, the gas supply unit includes: an air source, an air path control element, and an air pressure regulating element; the air source is connected to the pneumatic input port of the compression unit through a gas path, and at least one air path control element and an air pressure regulating element are arranged on the gas path; the air path control element is used to control the on and off of the gas path; the air pressure regulating element is used to control the air pressure of the gas path.

[0048] In some optional embodiments, the gas circuit control element includes: a solenoid valve, a one-way valve. The gas pressure regulating element includes: a flow regulating valve, a pressure sensor.

[0049] For example, Figure 2 A schematic diagram of the structure of the air supply unit provided in the embodiment of the present application is shown in FIG. Figure 2 As shown, combined Figure 1It can be seen that a, b, c, and d correspond to four test stations respectively, and V1~V13 are air circuit control elements and air pressure regulating elements. For example, when V3 and V7 are closed, the air source only supplies air to the ath test station. When V6 is closed, no air is supplied to the ath test station. When V7 and V8 are closed, no air is supplied to the bth test station. When V8 and V9 are closed, no air is supplied to the cth test station. When V9 is closed, no air is supplied to the dth test station. In other words, air supply and air cut-off can be achieved for any test station by controlling V1~V13. Optionally, when the test starts and air is supplied to the test station, the clamping unit works to clamp the flange of the transmitter; when the test is completed, the air circuit control element of the corresponding air supply branch is closed, and the exhaust and pressure relief are controlled so that the clamping unit releases the flange of the transmitter.

[0050] In some optional embodiments, the clamping unit includes: a pneumatic clamping module and a hydraulic lifting module, the test station includes a material replacement product tray, the pneumatic clamping module is located above the material replacement product tray, the material replacement product tray is located on the hydraulic lifting module, and the pneumatic input port of the pneumatic clamping module is connected to the air supply unit, wherein: when the pneumatic clamping module is connected to the air source, it moves downward to clamp the transmitter flange on the material replacement product tray, and the hydraulic lifting module moves upward so that the pneumatic clamping module and the hydraulic lifting module simultaneously clamp the transmitter flange on the material replacement product tray; when the pneumatic clamping module is disconnected from the air source, it moves upward to loosen the transmitter flange on the material replacement product tray, and the hydraulic lifting module moves downward so that the pneumatic clamping module and the hydraulic lifting module simultaneously loosen the transmitter flange on the material replacement product tray.

[0051] For example, Figure 3 A schematic diagram of the structure of the compression unit provided in the embodiment of the present application is shown in FIG. Figure 3 As shown, it may include a pneumatic pressing module 31 , a refueling product tray seat 32 , and a hydraulic lifting module 33 ; the pneumatic pressing module 31 is located directly above the refueling product tray seat 32 , and the refueling product tray seat 32 is placed above the hydraulic lifting module 33 .

[0052] When the pneumatic pressing module 31 is connected to the air source, it moves downward to press the material replacement product tray seat, and at the same time, the pneumatic pressing module 31 cooperates to move upward, so that the transmitter to be tested on the material replacement product tray seat 32 is pressed by the pneumatic pressing module 31 and the hydraulic lifting module 33.

[0053] When the pneumatic clamping module 31 is disconnected from the air source, it moves upward to loosen the product tray for material exchange, and at the same time, the pneumatic clamping module 31 moves downward to loosen the transmitter to be tested on the product tray for material exchange 32, thereby completing the static pressure test.

[0054] In this embodiment, a host computer, a programmable logic control unit, an information collection unit, a gas supply unit, a clamping unit, and a plurality of test stations are provided. The host computer is respectively connected to the programmable logic control unit and the information collection unit for communication. The programmable logic control unit is respectively connected to the gas supply unit and the clamping unit for electrical communication. The static pressure test software loaded in the host computer controls the programmable logic control unit to send control instructions to the gas supply unit and the clamping unit, and controls the information collection unit to collect test data of each test station. The gas supply unit provides gas to the gas passage of the clamping unit or releases the gas in the gas passage of the clamping unit, so that the clamping unit clamps the transmitter flange located at the test station, or loosens the transmitter flange. Thus, the automatic clamping test of the transmitter can be realized without manual intervention, simplifying the operation process, achieving the purpose of real-time data interaction, shortening the operator's operation time, and realizing simultaneous testing of multiple transmitters, improving test efficiency, and increasing production capacity.

[0055] Exemplarily, an embodiment of the present application further provides a flange transmitter static pressure test method, which may include the following steps:

[0056] Step S1, start the static pressure test software in the host computer to prepare for the static pressure test of the transmitter.

[0057] Step S2, placing the transmitter to be tested at a designated position of the test station.

[0058] Step S3, connecting the transmitter to be tested and powering it on, so that the transmitter to be tested is in a state to be tested.

[0059] Step S4, reading the base station information of the transmitter to be tested through the static pressure test software of the host computer, wherein the basic information includes: model and serial number.

[0060] Step S5, after the basic information is read, start the transmitter static pressure test process.

[0061] Step S6, automatically controlling the air supply unit to supply air to the pressing unit, so as to press the flange of the transmitter through the pressing unit.

[0062] Step S7, after the static pressure test is completed, the air supply unit is automatically shut down, and the clamping unit is controlled to rise to release the flange of the transmitter.

[0063] Step S8: The static pressure test software of the host computer automatically determines the static pressure test result, records the test data, and generates a test report.

[0064] In this embodiment, the static pressure test software of the host computer is used to control the entire test process, including automatic reading and verification of transmitter information; automatic setting and adjustment of static pressure test conditions; automatic clamping and release of the clamping unit; and automatic judgment and recording of test results. Thus, the transmitter information reading, static pressure test execution, and test result judgment can be fully automated without manual intervention, and the test efficiency is high.

[0065] In some optional embodiments, the above method may further include the following steps:

[0066] During the static pressure test, the static pressure test software of the host computer monitors the test parameters in real time so that the test conditions meet the preset standards. The test conditions include: test range.

[0067] In this embodiment, the corresponding test conditions can be determined according to the basic information of the transmitter, so that the test process is performed under the preset test conditions.

[0068] This embodiment can significantly improve the test efficiency and accuracy. In addition, through the integrated host computer software, the operator can easily monitor and manage the entire test process, thereby reducing the operational complexity and error rate.

[0069] An embodiment of the present application also provides a flange transmitter static pressure testing device, including: a processor and a memory, wherein the memory stores executable program instructions, and when the processor calls the program instructions in the memory, the processor is used to: execute the steps of the above-mentioned flange transmitter static pressure testing method.

[0070] It should be noted that those skilled in the art will appreciate that various aspects of the present invention may be implemented as systems, methods or program products. Therefore, various aspects of the present invention may be specifically implemented in the following forms, namely: complete hardware implementation, complete software implementation (including firmware, microcode, etc.), or a combination of hardware and software, which may be collectively referred to as "circuit", "module" or "platform" herein.

[0071] In addition, an embodiment of the present application further provides a computer-readable storage medium, in which computer-executable instructions are stored. When at least one processor of a user device executes the computer-executable instructions, the user device executes the above-mentioned various possible methods. Among them, the computer-readable medium includes a computer storage medium and a communication medium, wherein the communication medium includes any medium that facilitates the transmission of a computer program from one place to another. The storage medium can be any available medium that can be accessed by a general-purpose or special-purpose computer. An exemplary storage medium is coupled to a processor so that the processor can read information from the storage medium and write information to the storage medium. Of course, the storage medium can also be a component of the processor. The processor and the storage medium can be located in an ASIC. In addition, the ASIC can be located in a user device. Of course, the processor and the storage medium can also exist in a communication device as discrete components.

[0072] The present application also provides a program product, which includes a computer program. The computer program is stored in a readable storage medium. At least one processor of the server can read the computer program from the readable storage medium. At least one processor executes the computer program so that the server implements any method of the above-mentioned embodiments of the present invention.

[0073] The program product may use any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples of readable storage media (a non-exhaustive list) include: an electrical connection with one or more wires, a portable disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above.

[0074] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art may make various modifications or variations within the scope of the claims, which do not affect the essence of the present invention.

Claims

1. A static pressure test device for a flange transmitter, characterized in that: include: A host computer, a programmable logic control unit, an information collection unit, an air supply unit, a pressing unit, and a plurality of test stations, wherein the host computer is respectively connected to the programmable logic control unit and the information collection unit for communication, and the programmable logic control unit is respectively electrically connected to the air supply unit and the pressing unit, wherein: The host computer is loaded with static pressure test software, which is used to send control instructions to the air supply unit and the clamping unit through the programmable logic control unit, and control the information acquisition unit to collect test data of each test station; The gas supply unit is used to supply gas to the gas passage of the clamping unit or release the gas in the gas passage of the clamping unit, so that the clamping unit clamps the transmitter flange located on the test station or loosens the transmitter flange.

2. The static pressure test device for flange transmitter according to claim 1, characterized in that: The air supply unit includes: an air source, an air path control element, and an air pressure regulating element; The gas source is connected to the pneumatic input port of the pressing unit through a gas passage, and at least one gas passage control element and a gas pressure regulating element are arranged on the gas passage; The gas path control element is used to control the on and off of the gas path; The gas pressure regulating element is used to control the gas pressure in the gas passage.

3. The static pressure test device for flange transmitter according to claim 2, characterized in that: The gas path control element includes: a solenoid valve and a one-way valve. The air pressure regulating element includes: a flow regulating valve and a pressure sensor.

4. The static pressure test device for flange transmitter according to claim 1, characterized in that: The clamping unit comprises: a pneumatic clamping module and a hydraulic lifting module. The test station comprises a refueling product tray. The pneumatic clamping module is located above the refueling product tray. The refueling product tray is located on the hydraulic lifting module. The pneumatic input port of the pneumatic clamping module is connected to the air supply unit, wherein: When the pneumatic pressing module is connected to the air source, it moves downward to press the transmitter flange on the refueling product tray, and the hydraulic lifting module moves upward so that the pneumatic pressing module and the hydraulic lifting module simultaneously press the transmitter flange on the refueling product tray; When the pneumatic clamping module is disconnected from the air source, it moves upward to loosen the transmitter flange on the material replacement product pan, and the hydraulic lifting module moves downward so that the pneumatic clamping module and the hydraulic lifting module simultaneously loosen the transmitter flange on the material replacement product pan.

5. The static pressure test device for flange transmitter according to any one of claims 1 to 4, characterized in that: Each test station corresponds to an independent air supply branch, and the air supply unit's air path control element controls the on and off of each air supply branch according to the control instructions issued by the programmable logic control unit.

6. The static pressure test device for flange transmitter according to any one of claims 1 to 4, characterized in that: Also includes: A power-on unit is used to power on the sensors of each test station so that the sensors can collect test data according to the control instructions of the information collection unit, and send the test data to the host computer through the information collection unit.

7. A method for testing the static pressure of a flange transmitter, characterized in that: The flange transmitter static pressure test device applied to any one of claims 1 to 6, the method comprising: Start the static pressure test software in the host computer and prepare to perform static pressure test on the transmitter; Placing the transmitter to be tested at a designated position of the test station; Connecting the transmitter to be tested and powering it on, so that the transmitter to be tested is in a state to be tested; Read the base station information of the transmitter to be tested through the static pressure test software of the host computer, the basic information includes: model, serial number; After the basic information is read, the transmitter static pressure test process is started; Automatically controlling the air supply unit to supply air to the pressing unit, so as to press the flange of the transmitter through the pressing unit; After the static pressure test is completed, the air supply unit is automatically shut down, and the clamping unit is controlled to rise to release the flange of the transmitter; The static pressure test software of the host computer automatically determines the static pressure test results, records the test data, and generates a test report.

8. The method for testing the static pressure of a flange transmitter according to claim 7, characterized in that: The method further comprises: During the static pressure test, the static pressure test software of the host computer monitors the test parameters in real time so that the test conditions meet the preset standards. The test conditions include: test range.

9. A static pressure test device for a flange transmitter, characterized in that: include: A processor and a memory, wherein the memory stores executable program instructions, and when the processor calls the program instructions in the memory, the processor is used to: Execute the steps of the flange transmitter static pressure testing method described in claim 7 or 8.

10. A computer-readable storage medium for storing a program, characterized in that: When the program is executed, the steps of the flange transmitter static pressure testing method according to claim 7 or 8 are implemented.

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