Pulse generation device and flowmeter simulation system
Through the pulse generation device and simulation system that simulates the working conditions of the flowmeter output shaft, the problem of the pulse transmitter not being regularly checked is solved, the accuracy and authenticity of the flowmeter data is realized, and the reliability of the flowmeter verification is ensured.
Patent Information
- Application Number
- CN202422524361.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-18
AI Technical Summary
In the prior art, the pulse transmitter is not regularly verified or calibrated, resulting in doubt about the accuracy and authenticity of the flowmeter verification data, and there are large errors.
It provides a pulse generation device and a flowmeter simulation system. It simulates the operating conditions of the flowmeter output shaft through the driving mechanism, and combines the pulse signal output by the pulse transmitter to collect and convert it into volume flow data in real time, so as to realize the regular verification or calibration of the pulse transmitter.
It ensures the authenticity and accuracy of flow meter data and improves the reliability of flow meter verification.
Smart Images

Figure CN223154354U_ABST
Abstract
Description
Background Art
[0002] In the aviation fuel field, a large number of oil product trade handovers occur every day. The reliability and accuracy of the metering work directly affect the fairness of trade and the operating efficiency of enterprises. Therefore, as an important part of oil product trade handovers, the reliability and accuracy of flow metering have attracted much attention. Currently, all metrology verification stations use the method of calibrating working flow meters with standard flow meters for flow verification. In this process, the pulse transmitter, as an intermediate between the flow meter and the data display, can display the cumulative flow and instantaneous flow passing through the flow meter after cumulative calculation of the data, and its output value will directly affect the accuracy and reliability of the flow meter verification data. However, in daily use, due to the neglect of regular verification or calibration of the pulse generator, the loss of the number of pulses output by the pulse generator often occurs, introducing a large error into the verification of the flow meter without being aware of it, thus casting doubt on the authenticity and accuracy of the verification data. Summary of the Invention
[0003] This application provides a pulse generating device and a flow meter simulation system to achieve regular verification or calibration of the pulse transmitter, ensuring the authenticity and accuracy of flow metering data.
[0004] In a first aspect, a pulse generating device is provided, including: a fixed platform, where
[0005] a driving mechanism and a pulse transmitter are arranged on the fixed platform, and the driving mechanism is connected to the pulse transmitter,
[0006] the driving mechanism is used to simulate the operating conditions of the output shaft of the flow meter;
[0007] the pulse transmitter is used to output the collected pulse signal.
[0008] In the above technical solution, by setting a driving mechanism and a pulse transmitter, the driving mechanism is connected to the pulse transmitter. The driving mechanism is used to simulate the operating conditions of the output shaft of the flow meter; the pulse transmitter is used to output the collected pulse signal; the operating conditions of the standard flow meter are simulated, the pulse output of the pulse transmitter and the encoder output pulse are collected in real time, and then converted into corresponding volume flow data for comparison, thereby judging the reliability of the pulse transmitter; regular verification or calibration of the pulse transmitter is achieved, ensuring the authenticity and accuracy of flow metering data.
[0009] In a specific feasible implementation, a pressing mechanism is further included, where
[0010] the pressing mechanism abuts against the pulse transmitter and is used to press and fix the pulse transmitter on the fixed platform.
[0011] In a specific feasible embodiment, the pressing mechanism includes a pressing tooling column, a pressing tooling crossbeam, and a pressing tooling screw. Among them,
[0012] One end of the pressing tooling column is fixedly connected to the fixed platform, and the other end is fixedly connected to one end of the pressing tooling crossbeam. The other end of the pressing tooling crossbeam is threadedly connected to the pressing tooling screw;
[0013] One end of the pressing tooling screw is provided with a pressing tooling head for pressing and fixing the pulse transmitter on the fixed platform.
[0014] In a specific feasible embodiment, the driving mechanism is connected to the pulse transmitter through a connecting shaft. Among them,
[0015] One end of the connecting shaft is connected to the driving mechanism through a coupling, and the other end is detachably connected to the pulse transmitter through a shaft connector.
[0016] In a specific feasible embodiment, the driving mechanism is a stepping motor.
[0017] In a specific feasible embodiment, a core controller is further included. The pulse transmitter is electrically connected to the core controller, and the driving mechanism is electrically connected to the core controller.
[0018] In a specific feasible embodiment, an encoder is provided on the fixed platform, and the encoder is sleeved coaxially with the connecting shaft.
[0019] In a specific feasible embodiment, a display mechanism is further included. The display mechanism is electrically connected to the core controller.
[0020] In a specific feasible embodiment, a driving mechanism bracket is provided on the fixed platform, and the driving mechanism is fixedly connected to the driving mechanism bracket. Among them,
[0021] The driving mechanism bracket is fixedly connected to the fixed platform through shock-absorbing screws.
[0022] In a second aspect, a flowmeter simulation system is provided, including the pulse generating device according to any one of the above.
[0023] In the above technical solution, by providing a driving mechanism and a pulse transmitter, the driving mechanism is connected to the pulse transmitter. The driving mechanism is used to simulate the operating conditions of the output shaft of the flowmeter; the pulse transmitter is used to output the collected pulse signals. The operating conditions of a standard flowmeter are simulated, the pulse output of the pulse transmitter and the pulse output of the encoder are collected in real time, and then converted into corresponding volume flow data for comparison, thereby judging the reliability of the pulse transmitter; regular verification or calibration of the pulse transmitter is achieved, ensuring the authenticity and accuracy of the flow measurement data. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 FIG. is a schematic structural diagram of a pulse generating device provided by an embodiment of the present application;
[0025] Figure 2 FIG. is an electrical block diagram of a pulse generating device provided by an embodiment of the present application.
[0026] Wherein, 1 - fixed platform, 2 - driving mechanism, 3 - pulse transmitter, 4 - pressing tooling column, 5 - pressing tooling cross beam, 6 - pressing tooling screw, 7 - pressing tooling head, 8 - connecting shaft, 9 - coupling, 10 - shaft connector, 11 - encoder, 12 - driving mechanism support, 13 - damping screw. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0027] The present application will be further described in detail below with reference to the drawings and embodiments. Through these descriptions, the features and advantages of the present application will become more clearly defined.
[0028] The special term "exemplary" here means "serving as an example, embodiment, or illustrative". Any embodiment described here as "exemplary" does not have to be construed as superior to or better than other embodiments. Although various aspects of the embodiments are shown in the drawings, the drawings do not have to be drawn to scale unless otherwise specified.
[0029] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.
[0030] To facilitate the understanding of the pulse generating device and the flowmeter simulation system provided by the embodiments of the present application, the application scenarios thereof will be described first. The pulse generating device and the flowmeter simulation system provided by the embodiments of the present application are used to realize the regular verification or calibration of the pulse transmitter, ensuring the authenticity and accuracy of the flow measurement data. In the aviation fuel field, there are a large number of oil trade handovers every day. The reliability and accuracy of the metering work will directly affect the fairness of the trade and the operating efficiency of the enterprise. Therefore, as an important part of the oil trade handover, the reliability and accuracy of flow metering have attracted much attention. At present, all metering verification stations use the method of calibrating the working flowmeter with a standard flowmeter for flow verification. In this link, the pulse transmitter, as an intermediate between the flowmeter and the data display, can display the cumulative flow and instantaneous flow passing through the flowmeter after cumulative calculation of the data, and its output value will directly affect the accuracy and reliability of the flowmeter verification data. However, in the daily use process, due to the neglect of the regular verification or calibration of the pulse generator, the loss of the number of output pulses of the pulse generator often occurs, introducing a large error into the verification of the flowmeter without being aware of it, thus making the authenticity and accuracy of the verification data doubtful. For this reason, the embodiments of the present application provide a pulse generating device and a flowmeter simulation system to realize the regular verification or calibration of the pulse transmitter, ensuring the authenticity and accuracy of the flow measurement data. The following will be described in detail with specific drawings by way of examples.
[0031] Reference Figure 1 and Figure 2 , Figure 1 is a schematic structural diagram of the pulse generating device provided by the embodiment of the present application; Figure 2 is an electrical block diagram of the pulse generating device provided by the embodiment of the present application.
[0032] In Figure 1 , the embodiment of the present application provides a pulse generating device, including: a fixed platform 1, wherein,
[0033] a driving mechanism 2 and a pulse transmitter 3 are arranged on the fixed platform, and the driving mechanism is connected to the pulse transmitter,
[0034] the driving mechanism is used to simulate the operating conditions of the output shaft of the flowmeter;
[0035] the pulse transmitter is used to output the collected pulse signal.
[0036] In the above technical solution, by setting a driving mechanism and a pulse transmitter, the driving mechanism is connected to the pulse transmitter. The driving mechanism is used to simulate the operating conditions of the output shaft of the flowmeter; the pulse transmitter is used to output the collected pulse signals. The operating conditions of a standard flowmeter are simulated, and the pulse output of the pulse transmitter and the pulse output of the encoder are collected in real time, and then converted into corresponding volume flow data for comparison, so as to judge the reliability of the pulse transmitter; regular verification or calibration of the pulse transmitter is realized, ensuring the authenticity and accuracy of the flow measurement data.
[0037] In a specific feasible implementation, it further includes a pressing mechanism, where
[0038] The pressing mechanism abuts against the pulse transmitter and is used to press and fix the pulse transmitter on the fixed platform.
[0039] In a specific feasible implementation, the pressing mechanism includes a pressing tooling column 4, a pressing tooling cross beam 5, and a pressing tooling screw 6, where
[0040] One end of the pressing tooling column is fixedly connected to the fixed platform, and the other end is fixedly connected to one end of the pressing tooling cross beam. The other end of the pressing tooling cross beam is threadedly connected to the pressing tooling screw;
[0041] One end of the pressing tooling screw is provided with a pressing tooling head 7 for pressing and fixing the pulse transmitter on the fixed platform.
[0042] In a specific feasible implementation, the driving mechanism is connected to the pulse transmitter through a connecting shaft 8, where
[0043] One end of the connecting shaft is connected to the driving mechanism through a coupling 9, and the other end is detachably connected to the pulse transmitter through a shaft connector 10.
[0044] In a specific feasible implementation, the driving mechanism is a stepping motor.
[0045] Reference Figure 2 , in a specific feasible implementation, it further includes a core controller. The pulse transmitter is electrically connected to the core controller, and the driving mechanism is electrically connected to the core controller.
[0046] In a specific feasible implementation, an encoder 11 is provided on the fixed platform, and the encoder is sleeved coaxially with the connecting shaft. The encoder is electrically connected to the core controller and is used to detect the rotational speed of the driving mechanism. When the connecting shaft rotates, it drives the encoder to rotate, and the encoder pulses are collected by the core controller. During specific implementation, directly connect the wires of the encoder to the main board of the controller.
[0047] In a specific feasible implementation, a display mechanism is further included, and the display mechanism is electrically connected to the core controller. The display mechanism uses a liquid crystal display screen.
[0048] In a specific feasible implementation, a driving mechanism bracket 12 is provided on the fixed platform, and the driving mechanism is fixedly connected to the driving mechanism bracket, where
[0049] the driving mechanism bracket is fixedly connected to the fixed platform through shock-absorbing screws 13.
[0050] In this application, for the specific structure and specific control principle of the core controller, they are not shown in the figure and are prior art, so they will not be elaborated here.
[0051] Reference Figure 1 , and the embodiment of this application further provides a flowmeter simulation system, including the pulse generating device according to any one of the above.
[0052] In the above technical solution, by setting a driving mechanism and a pulse transmitter, the driving mechanism is connected to the pulse transmitter. The driving mechanism is used to simulate the operating conditions of the output shaft of the flowmeter; the pulse transmitter is used to output the collected pulse signals; the operating conditions of the standard flowmeter are simulated, the pulse output of the pulse transmitter and the encoder output pulses are collected in real time, and then converted into corresponding volume flow data for comparison, so as to judge the reliability of the pulse transmitter; the regular verification or calibration of the pulse transmitter is realized, ensuring the authenticity and accuracy of the flow measurement data.
[0053] It should be noted that the volume flow data converted from the encoder output pulses is the theoretical value; the verification work verifies the flow value of the flowmeter.
[0054] Those skilled in the art know that this application can be implemented as a system, a method, or a computer program product.
[0055] Accordingly, the present disclosure may be embodied in the following forms, that is: it may be entirely hardware, entirely software (including firmware, resident software, microcode, etc.), or in the form of a combination of hardware and software, generally referred to herein as "circuit", "module" or "system". In addition, in some embodiments, the present application may also be implemented in the form of a computer program product in one or more computer-readable media, which contain computer-readable program code.
[0056] Any combination of one or more computer-readable media may be employed. The computer-readable media may be a computer-readable signal medium or a computer-readable storage medium. A computer-readable storage medium may be, for example - but not limited to - an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (non-exhaustive list) of the computer-readable storage medium include: an electrical connection having one or more wires, a portable computer 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 foregoing. In this document, the computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
[0057] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application. On this basis, various substitutions and improvements can be made to the present application, and all of these fall within the protection scope of the present application.
Claims
1. A pulse generating device, characterized in that, Comprising: A fixed platform, wherein a driving mechanism and a pulse transmitter are arranged on the fixed platform, and the driving mechanism is connected to the pulse transmitter; the driving mechanism is used for simulating the operating conditions of the output shaft of the flowmeter; the pulse transmitter is used for outputting the collected pulse signal.
2. The pulse generating device according to claim 1, wherein It further comprises a pressing mechanism, wherein the pressing mechanism abuts against the pulse transmitter and is used for pressing and fixing the pulse transmitter on the fixed platform.
3. The pulse generating device according to claim 2, characterized in that, The pressing mechanism comprises a pressing tooling column, a pressing tooling cross beam and a pressing tooling screw, wherein one end of the pressing tooling column is fixedly connected to the fixed platform, and the other end is fixedly connected to one end of the pressing tooling cross beam. The other end of the pressing tooling cross beam is threadedly connected to the pressing tooling screw; one end of the pressing tooling screw is provided with a pressing tooling head for pressing and fixing the pulse transmitter on the fixed platform.
4. The pulse generating device according to claim 3, characterized in that, The driving mechanism is connected to the pulse transmitter through a connecting shaft, wherein one end of the connecting shaft is connected to the driving mechanism through a coupling, and the other end is detachably connected to the pulse transmitter through a shaft connector.
5. The pulse generating device according to claim 4, characterized in that, The driving mechanism is a stepping motor.
6. The pulse generating device according to claim 5, wherein It further comprises a core controller. The pulse transmitter is electrically connected to the core controller, and the driving mechanism is electrically connected to the core controller.
7. The pulse generating device according to claim 6, wherein An encoder is arranged on the fixed platform, and the encoder is sleeved coaxially with the connecting shaft.
8. The pulse generating device according to claim 7, wherein It further comprises a display mechanism, and the display mechanism is electrically connected to the core controller.
9. The pulse generating device according to claim 8, characterized in that, A driving mechanism bracket is arranged on the fixed platform, and the driving mechanism is fixedly connected to the driving mechanism bracket, wherein the driving mechanism bracket is fixedly connected to the fixed platform through shock-absorbing screws.
10. A flowmeter simulation system, characterized in that, Comprising the pulse generating device according to any one of claims 1 to 9.