Simulation device and measurement and control system of rocket fuel filling liquid path

Abstract

The utility model discloses a simulation device and a measurement and control system for a rocket fuel filling liquid path. The simulation device comprises a liquid tank, a liquid path parameter collector and pipeline equipment, the pipeline equipment comprises a first ball valve, a second ball valve, a third ball valve, a flowmeter, a water pump, a one-way valve and a filter; a liquid inlet of the first ball valve is communicated to the bottom of the liquid box, and a liquid outlet of the second ball valve is communicated to the liquid box; the third ball valve, the flow meter, the water pump, the one-way valve and the filter are sequentially communicated between a liquid outlet of the first ball valve and a liquid inlet of the second ball valve according to a preset sequence, so that liquid flowing out of the liquid tank can flow back into the liquid tank through the first ball valve, the third ball valve, the flow meter, the water pump, the one-way valve, the filter and the second ball valve; and each liquid path parameter collector is arranged at a preset position, corresponding to the liquid path parameter collector, on the pipeline and is used for collecting liquid path parameters. According to the technical scheme, the fuel filling process can be simulated, so that the safety of a fuel filling liquid path is verified.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel filling, in particular to a simulation device and a measurement and control system for a rocket fuel filling liquid path. Background Art

[0002] With the rapid development of rocket technology, rockets are increasingly applied to the aerospace field, and the market has higher and higher requirements for the safety of rockets. At present, faults are likely to occur during the rocket fuel filling process. Therefore, to ensure the safety of rockets, before the launch mission, it is necessary to verify the safety of the rocket fuel filling liquid path.

[0003] Currently, when verifying the safety of the rocket fuel filling liquid path, it is necessary to perform pre-filling at the rocket to be launched to verify the safety of the rocket fuel filling liquid path. However, the above method requires operating on the fuel filling liquid path of the real rocket, making the safety verification process too complex and costly, resulting in too low a speed for verifying the safety of the rocket fuel filling liquid path and unable to meet the high-density rocket launch missions. Summary of the Utility Model

[0004] In view of this, the utility model provides a simulation device and a measurement and control system for a rocket fuel filling liquid path, mainly aiming to solve the technical problem of too low a speed for verifying the safety of the rocket fuel filling liquid path.

[0005] To achieve the above object, the utility model first provides a simulation device for a rocket fuel filling liquid path, which is used to simulate the rocket fuel filling liquid path. The simulation device for the rocket fuel filling liquid path includes a liquid tank, at least one liquid path parameter collector, and at least one pipeline device;

[0006] The pipeline device includes a first ball valve, a second ball valve, a third ball valve, a flowmeter, a water pump, a check valve, and a filter connected through a pipeline;

[0007] The liquid inlet of the first ball valve is connected to the bottom of the liquid tank, so that the liquid in the liquid tank can flow into the first ball valve, and the liquid outlet of the second ball valve is connected to the liquid tank;

[0008] The third ball valve, the flowmeter, the water pump, the check valve, and the filter are connected in sequence between the liquid outlet of the first ball valve and the liquid inlet of the second ball valve, so that the liquid flowing out of the liquid tank can flow back into the liquid tank through the first ball valve, the third ball valve, the flowmeter, the water pump, the check valve, the filter, and the second ball valve;

[0009] Each of the liquid path parameter collectors is arranged at a preset position corresponding to the liquid path parameter collector on the pipeline, and is used to collect the liquid path parameters of the simulated rocket fuel filling liquid path.

[0010] In an embodiment of the present invention, each of the pipeline devices is arranged on the pipeline through a detachable connection component, so that the pipeline device can be removed from the pipeline or installed on the pipeline.

[0011] In an embodiment of the present invention, the liquid path parameter collector includes a pressure collector, a temperature sensor, and an acceleration sensor; the pressure collector is arranged at a first position on the pipeline and is used to collect the pressure information of the liquid in the pipeline, the temperature sensor is arranged at a second position on the pipeline and is used to collect the temperature information of the liquid in the pipeline, and the acceleration sensor is arranged at a third position on the pipeline and is used to collect the vibration information of the pipeline.

[0012] In addition, to achieve the above object, the present invention also provides a measurement and control system, including a simulation device of the rocket fuel filling liquid path as described above;

[0013] The measurement and control system further includes a measurement recorder and a measurement and control controller;

[0014] The measurement recorder is connected to the flowmeter of the simulation device of the rocket fuel filling liquid path and is used to obtain the flow value measured by the flowmeter;

[0015] The measurement and control controller is connected to each of the liquid path parameter collectors of the simulation device of the rocket fuel filling liquid path to respectively obtain the liquid path parameters collected by each of the liquid path parameter collectors;

[0016] The control end of the measurement and control controller is further connected to the controlled end of the water pump and is used to control the operating state of the water pump.

[0017] In an embodiment of the present invention, the measurement and control controller includes a programmable logic controller and a display screen; the programmable logic controller is connected to each of the liquid path parameter collectors to obtain the liquid path parameters collected by each of the liquid path parameter collectors; the programmable logic controller is connected to the display screen and is used to send the liquid path parameters to the display screen so that the display screen can display the liquid path parameters.

[0018] In an embodiment of the present invention, the first control end of the programmable logic controller is connected to the controlled end of the water pump and is used to control the operating state of the water pump and obtain the operating parameters of the water pump; the programmable logic controller is further used to send the operating parameters to the display screen so that the display screen can display the operating parameters.

[0019] In an embodiment of the present utility model, the measurement and control controller further includes a remote communication unit, and a control end of the remote communication unit is connected to a signal output end of the programmable logic controller; the remote communication unit is used for connecting to a remote host computer to establish a communication connection between the programmable logic controller and the host computer.

[0020] In an embodiment of the present utility model, a power supply access end of the measurement and recording instrument is connected to an external power supply; the measurement and control system further includes a power switch, an access end of the power switch is connected to the external power supply, and an output end of the power switch is respectively connected to a power receiving end of the water pump and a power receiving end of the programmable logic controller; a second control end of the programmable logic controller is connected to a controlled end of the power switch for controlling the power switch to be turned on or off.

[0021] In an embodiment of the present utility model, a power supply end of the programmable logic controller is respectively connected to a power receiving end of each liquid path parameter collector for supplying power to each liquid path parameter collector.

[0022] In an embodiment of the present utility model, the measurement and control system further includes a phase sequence protection relay; the phase sequence protection relay is connected between an output end of the power switch and a power receiving end of the water pump, and the water pump obtains a working power supply from the power switch through the phase sequence protection relay.

[0023] A simulation device and a measurement and control system for a rocket fuel filling liquid path provided by the present utility model can simulate a real rocket fuel filling liquid path to restore the rocket fuel filling process, and when simulating rocket fuel filling, can collect liquid path parameters of the simulated rocket fuel filling liquid path, such as pipeline vibration, temperature, and liquid pressure, through liquid path parameter collectors arranged at the pipeline, which is convenient for relevant staff to perform safety verification on the rocket fuel filling liquid path based on the above liquid path parameters. Compared with the technical solution of operating on the real rocket fuel filling liquid path, the present application can simulate various problems in the filling process, which is convenient for subsequent analysis and calculation to find out the fault modes and solutions that may affect the mission filling, and the safety verification process is simple and the cost is low, and the safety verification of the rocket fuel filling liquid path can be quickly carried out to meet the high-density rocket launch mission.

[0024] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly, it can be implemented according to the content of the specification, and in order to make the above and other purposes, features, and advantages of the present utility model more obvious and understandable, the following specifically illustrates the specific embodiments of the present utility model. Description of the Drawings

[0025] The accompanying drawings described herein are used to provide a further understanding of the present utility model and constitute a part of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0026] Figure 1 A schematic structural diagram of a simulation device for a rocket fuel filling liquid path provided by an embodiment of the present utility model is shown;

[0027] Figure 2 A schematic structural diagram of another simulation device for a rocket fuel filling liquid path provided by an embodiment of the present utility model is shown;

[0028] Figure 3 A schematic structural diagram of a measurement and control system provided by an embodiment of the present utility model is shown;

[0029] Figure 4 A schematic structural diagram of a box body provided by an embodiment of the present utility model is shown. Detailed implementation manners

[0030] The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0031] To further elaborate on the technical means and effects adopted by the present utility model to achieve the intended utility model purpose, the following describes in detail the specific implementation manners, structures, features, and their effects of the present utility model application in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. In addition, the specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0032] The following will be combined with Figures 1 to 4 Describe a simulation device for a rocket fuel filling liquid path and a measurement and control system according to some embodiments of the present utility model.

[0033] As Figure 1 shown, a simulation device for a rocket fuel filling liquid path proposed in an embodiment of the present utility model includes a liquid tank, at least one liquid path parameter collector, and at least one pipeline device. Among them, the liquid tank can be filled with liquid, such as a liquid medium like water. Further, the liquid path parameter collector can include a pressure gauge, a pressure sensor, a temperature sensor, an acceleration sensor, etc.

[0034] Further, the pipeline equipment includes a first ball valve, a second ball valve, a third ball valve, a flow meter, a water pump, a check valve, and a filter connected by pipelines to simulate the rocket fuel filling liquid path of the rocket; wherein, the first ball valve, the second ball valve, and the third ball valve can adjust and control the fluid flowing through them; the flow meter can collect the flow rate of the fluid flowing through it; the water pump can be controlled to adjust parameters such as the flow rate, suction lift, and head of the fluid flowing through it; the check valve allows the fluid to flow only along the inlet of the check valve, and the fluid at the outlet of the check valve cannot flow back; the filter is used to filter the fluid flowing through it.

[0035] Further, the inlet of the first ball valve is connected to the bottom of the liquid tank so that the liquid in the liquid tank can flow into the first ball valve, and the outlet of the second ball valve is connected to the liquid tank; specifically, an outlet can be provided on the right side of the bottom of the liquid tank, and the outlet is connected to the inlet of the first ball valve so that when there is liquid in the liquid tank, the liquid in the liquid tank can flow into the inlet of the first ball valve under the action of gravity; further, the outlet of the second ball valve is connected to the liquid tank so that the liquid flowing out of the outlet of the second ball valve can flow into the liquid tank. Further, the pipeline can be a rigid pipe, and each pipeline equipment is connected to the pipeline by welding and flange connection. Further, the outlet of the second ball valve can be introduced above the left side of the liquid tank to fill the liquid tank with liquid.

[0036] Further, the third ball valve, the flow meter, the water pump, the check valve, and the filter are connected in sequence between the outlet of the first ball valve and the inlet of the second ball valve according to a preset order so that the liquid flowing out of the liquid tank can flow back into the liquid tank through the first ball valve, the third ball valve, the flow meter, the water pump, the check valve, the filter, and the second ball valve; wherein, the preset order can be determined according to the actual situation. Specifically, the outlet of the first ball valve is connected to the inlet of the filter by a pipeline, the outlet of the filter is connected to the inlet of the water pump by a pipeline, the outlet of the water pump is connected to the inlet of the check valve by a pipeline, the outlet of the check valve is connected to the inlet of the third ball valve by a pipeline, the outlet of the third ball valve is connected to the inlet of the flow meter by a pipeline, and the outlet of the flow meter is connected to the inlet of the second ball valve by a pipeline. After adding a certain amount of liquid medium such as water into the liquid tank, the liquid in the liquid tank can circulate in the simulated rocket fuel filling liquid path to simulate the fuel filling process to simulate a complete rocket fuel filling liquid path.

[0037] Further, each of the liquid path parameter collectors is disposed at a preset position corresponding to the liquid path parameter collector on the pipeline, and is used to collect the liquid path parameters of the simulated rocket fuel filling liquid path. Subsequently, the above liquid path parameters can be sent to a remote host computer to enable the host computer to perform safety verification on the rocket fuel filling liquid path.

[0038] The simulation device for the rocket fuel filling liquid path proposed in the embodiment of the present invention can simulate a real rocket fuel filling liquid path to restore the process of rocket fuel filling. When simulating rocket fuel filling, the liquid path parameters of the simulated rocket fuel filling liquid path, such as pipeline vibration, temperature, and liquid pressure, can be collected by the liquid path parameter collectors arranged on the pipeline, which is convenient for relevant staff to perform safety verification on the rocket fuel filling liquid path based on the above liquid path parameters. Compared with the technical solution of operating on the real rocket fuel filling liquid path, the safety verification process of this application is simple, the cost is low, and the safety verification of the rocket fuel filling liquid path can be quickly carried out to meet the high-density rocket launch mission. Further, this application can also simulate the filling environment and carry out the performance verification work of new equipment. For example, newly arrived temperature sensors, pressure sensors, flow meters, instrumentation, and spare parts such as ball valves and check valves can be first installed on the experimental platform composed of the simulation device of the rocket fuel filling liquid path to initially verify the equipment performance or regularly inspect using the experimental platform, promptly solve products with unqualified performance, reduce potential hazards, and ensure that the spare parts of the filling system are in a state where they can be used immediately after replacement.

[0039] In one embodiment, each of the pipeline devices is arranged on the pipeline through a detachable connection component, so that the pipeline device can be removed from the pipeline or installed on the pipeline. Among them, the detachable connection component can include connection components such as bolts. Specifically, the first ball valve, the second ball valve, the third ball valve, the flow meter, the water pump, the check valve, and the filter can be arranged at the pipeline by means of bolt fixation or flange connection. The embodiment provided by this application can enable the simulation device of the rocket fuel filling liquid path to replace the pipeline device or adjust the installation sequence of the pipeline device on the pipeline, so that the simulation device of the rocket fuel filling liquid path can simulate different rocket fuel filling liquid paths, improving the simulation ability of the simulation device of the rocket fuel filling liquid path for different filling liquid paths.

[0040] In one embodiment, as Figure 2 shown, the liquid path parameter collector includes a pressure collector, a temperature sensor, and an acceleration sensor; among them, the temperature sensor can be a probe-type mobile temperature sensor, and the acceleration sensor can be an adsorption-type mobile vibration sensor.

[0041] Specifically, the pressure collector is disposed at a first position on the pipeline for collecting the pressure information of the liquid in the pipeline. Here, the pressure collector may include a pressure gauge and a pressure sensor. The first position may be a preset position on the pipeline for setting the pressure collector. There may be multiple first positions, and the pressure gauge and the pressure sensor are respectively set to enable the pressure gauge and the pressure sensor to collect the pressure information of the liquid in the pipeline.

[0042] Further, the temperature sensor is disposed at a second position on the pipeline for collecting the temperature information of the liquid in the pipeline. Here, the second position may be a preset position on the pipeline for setting the temperature sensor. Specifically, the temperature probe S1 of the temperature sensor may extend into the pipeline or the surface of the pipeline at the second position, so that the temperature sensor can collect the temperature information of the liquid in the pipeline.

[0043] Further, the acceleration sensor is disposed at a third position on the pipeline for collecting the vibration information of the pipeline. Here, the third position may be a preset position on the pipeline for setting the acceleration sensor. Specifically, the acceleration probe S2 of the acceleration sensor may be adsorbed to the surface of the pipeline at the second position, so that the acceleration sensor can collect the vibration information of the pipeline. The embodiment provided in this application can collect the pressure information, temperature information of the liquid in the pipeline and the vibration information of the pipeline in the simulation device of the rocket fuel filling liquid path based on the pressure collector, temperature sensor and acceleration sensor, so as to collect various liquid path parameters required for the safety verification of the rocket fuel filling liquid path, and improve the ability of subsequent safety verification of the rocket fuel filling liquid path.

[0044] On the other hand, the embodiment of the present utility model provides a measurement and control system, including the simulation device of the rocket fuel filling liquid path as described above. Further, the measurement and control system further includes a measurement recorder and a measurement and control controller; wherein, the measurement recorder may be a computer device such as a mobile computer or a mobile terminal, and the measurement and control controller may include a programmable logic controller (PLC) and its peripheral circuits disposed in a control box.

[0045] Further, as Figure 3As shown, the measurement recorder is connected to the flowmeter of the simulation device of the rocket fuel filling liquid path, and is used to obtain the flow value measured by the flowmeter; further, the measurement and control controller is connected to each liquid path parameter collector of the simulation device of the rocket fuel filling liquid path to respectively obtain the liquid path parameters collected by each liquid path parameter collector; specifically, the measurement and control controller can be respectively connected to the pressure gauge, pressure sensor, temperature sensor and acceleration sensor of the simulation device of the rocket fuel filling liquid path to respectively obtain pressure information from the pressure gauge and the pressure sensor, temperature information from the temperature sensor, and vibration information from the acceleration sensor.

[0046] Further, the control end of the measurement and control controller is also connected to the controlled end of the water pump, and is used to control the running state of the water pump, including controlling the water pump to stop running or start running. The embodiments provided in the present application can obtain the flow information of the flowmeter through the measurement and control system, obtain the liquid path parameters collected by the liquid path parameter collector, and control the running state of the water pump, and can study and simulate the common fault phenomena of the filling system, providing a basis for the selection and index confirmation of subsequent system valves, flowmeters, filters, filling pumps, etc., and the optimization of the relevant parameters involved in the filling and draining process during the task organization and implementation process.

[0047] In one embodiment, as Figure 3 shown, the measurement and control controller includes a programmable logic controller PLC and a display screen; among them, the programmable logic controller PLC is a digital operation electronic system specially designed for application in an industrial environment. It uses a programmable memory to store instructions for performing operations such as logical operations, sequential control, timing, counting, and arithmetic operations inside it, and controls various types of mechanical equipment or production processes through digital or analog inputs and outputs. Further, the model of the programmable logic controller PLC can be S7200.

[0048] Further, the programmable logic controller PLC is connected to each liquid path parameter collector to obtain the liquid path parameters collected by each liquid path parameter collector; specifically, the programmable logic controller PLC can be respectively connected to the pressure gauge, pressure sensor, temperature sensor and acceleration sensor to respectively obtain pressure information from the pressure gauge and the pressure sensor, temperature information from the temperature sensor, and vibration information from the acceleration sensor, and use the pressure information, temperature information and vibration information as liquid path parameters.

[0049] Further, the programmable logic controller (PLC) is connected to the display screen and is configured to send the liquid path parameters to the display screen so that the display screen can display the liquid path parameters. The embodiment provided in the present application can obtain the liquid path parameters based on the programmable logic controller (PLC), and the display screen can display the above parameters, improving the operability of the measurement and control system.

[0050] In one embodiment, the first control end of the programmable logic controller is connected to the controlled end of the water pump to control the operating state of the water pump and obtain the operating parameters of the water pump; specifically, the programmable logic controller can obtain the operating parameters such as the flow rate, suction lift, head, shaft power, water power, and efficiency of the water pump.

[0051] Further, the programmable logic controller is further configured to send the operating parameters to the display screen so that the display screen can display the operating parameters. The embodiment provided in the present application can obtain the operating parameters of the water pump based on the PLC, and the display screen can display the above parameters, improving the operability of the measurement and control system.

[0052] In one embodiment, the measurement and control controller further includes a remote communication unit, and the control end of the remote communication unit is connected to the programmable logic controller. Here, the remote communication unit can be a WiFi module or a mobile communication network module. Further, the remote communication unit is used to connect to a remote host computer to establish a communication connection between the programmable logic controller and the host computer. Among them, the host computer can be a remote control terminal or a server. The host computer can be connected to the remote communication unit through wired communication or wireless communication and establish a communication connection with the programmable logic controller through the remote communication unit to achieve remote control of the programmable logic controller. The embodiment provided in the present application can realize remote control of the measurement and control controller, perform operations such as program adjustment, data reading, and operation control on the programmable logic controller, and improve the operation convenience of the measurement and control system.

[0053] In one embodiment, as Figure 3 shown, the power supply access end of the measurement recorder is connected to an external power supply to obtain power supply; further, the power supply providing end of the measurement recorder is connected to the power receiving end of the flowmeter to supply power to the flowmeter.

[0054] Further, the measurement and control system further includes a power switch. The access end of the power switch is connected to the external power supply, and the output end of the power switch is connected to the power receiving end of the water pump to supply power to the water pump. The output end of the power switch is also connected to the power receiving end of the programmable logic controller to supply power to the programmable logic controller. Here, when the power switch is turned on, the power receiving end of the water pump and the power receiving end of the programmable logic controller can be connected to the external power supply to obtain power supply; on the contrary, when the power switch is turned off, the power receiving end of the water pump and the power receiving end of the programmable logic controller cannot be connected to the external power supply to stop running. Here, a switch control lever is provided at the power switch, and the on / off of the power switch can be manually controlled.

[0055] Further, the programmable logic controller can output a 24V voltage. The power supply end of the programmable logic controller is respectively connected to the power receiving end of each liquid path parameter collector to supply power to each liquid path parameter collector. Specifically, the power supply end of the programmable logic controller can be respectively connected to the pressure gauge, pressure sensor, temperature sensor and acceleration sensor of the simulation device of the rocket fuel filling liquid path, obtain power from the external power supply and supply power to the above-mentioned liquid path parameter collectors. Further, the power supply end of the programmable logic controller can also be connected to the power receiving end of the display screen to supply power to the display screen.

[0056] Further, the second control end of the programmable logic controller is connected to the controlled end of the power switch to control the power switch to turn on or off. In the embodiment provided by the present application, the power supply states of the water pump, the measurement and control controller and the liquid path parameter collector can be controlled by controlling the on / off of the power switch, and then the operating states of the water pump, the measurement and control controller and the liquid path parameter collector can be controlled, improving the operability of the measurement and control system.

[0057] In one embodiment, as Figure 3 shown, the measurement and control system further includes a phase sequence protection relay; wherein, the phase sequence protection relay is a phase sequence comparator composed of operational amplifiers, which compares the voltage amplitude, frequency and phase. If the conduction condition is met, the amplifier conducts; if any single conduction condition is not met, the amplifier closes. The phase sequence protection relay is mainly used for phase sequence detection or open-phase protection. When the phase sequence is correct, the relay operates to obtain an output. When the phase sequence is incorrect or any phase of the AC circuit is open, the relay locks to protect the circuit.

[0058] Specifically, the phase sequence protection relay is connected between the output end of the power switch and the power receiving end of the water pump, and the water pump obtains the working power supply from the power switch through the phase sequence protection relay.

[0059] Further, a contactor may be connected in series in the circuit between the output terminal of the power switch and the power receiving terminal of the programmable logic controller to protect the circuit. Further, a relay may be provided at the power supply line extending from the power supply terminal of the programmable logic controller to supply power to each liquid path parameter collector, so that the power supply terminal of the programmable logic controller supplies power to each liquid path parameter collector through the relay.

[0060] Further, the measurement and control controller may be disposed in a rigid box body. As Figure 4 shown, a display screen is provided on one side of the box body for displaying information. Further, a touch screen may also be provided on this side of the box body, so that relevant staff can operate the measurement and control controller based on the touch screen.

[0061] Further, a start button 10, a stop button 20, an emergency stop button 30, a remote operation knob 40, and a local operation knob 50 may also be provided on the side of the box body. Among them, the start button 10 and the stop button 20 may be connected to the programmable logic controller in the measurement and control controller, so that when relevant staff presses the start button 10, the measurement and control controller can be controlled to start, and when relevant staff presses the stop button 20, the measurement and control controller can be controlled to shut down. Further, the emergency stop button 30 may be connected to the programmable logic controller in the measurement and control controller. When the measurement and control controller is in operation, if relevant staff presses the emergency stop button 30, the programmable logic controller can control the power switch to disconnect, so that the measurement and control system is powered off and stops operating emergently. Further, the remote operation knob 40 and the local operation knob 50 may be connected to the programmable logic controller in the measurement and control controller. When relevant staff rotates the remote operation knob 40 to the "remote" gear, the programmable logic controller can be controlled to connect to the upper computer at the remote end through the remote communication unit, realizing the remote control of the system by the upper computer. When relevant staff rotates the local operation knob 50 to the "local" gear, the programmable logic controller can receive the control of the start button 10, the stop button 20, the emergency stop button 30, and the touch screen, realizing the local control of the system.

[0062] Further, a power indicator light 60 may also be provided on the side of the box body. The power indicator light 60 is connected to the programmable logic controller. When the programmable logic controller is powered on and in the operating state, the programmable logic controller can control the power indicator light 60 to emit light.

[0063] The measurement and control system provided by this application can provide support for fault troubleshooting, data interpretation, and personnel training of the fuel filling system. The measurement and control system can be used as an experimental platform to provide a simulation training ground for on-site personnel, and training contents such as filling process drills, equipment disassembly and installation, actual equipment assessment, drawing recognition and drawing, and online simulated leak plugging can be carried out, accelerating the growth of newly recruited personnel and improving the professional capabilities of on-site personnel.

[0064] It should be noted that the connection methods of the components in the measurement and control system can be determined according to the specific selection of the components, and no specific limitation is made in this embodiment. The functions of the measurement and control system provided in this embodiment are mainly realized through the circuit connection relationships between the various modules, rather than relying on the program modules in a certain module. In addition, the various modules in the measurement and control system can be realized through analog circuits or digital circuits, and for the programmable logic controller that can implant program modules, the realization of its module functions can be achieved through the program modules provided by the existing technology.

[0065] The above-described embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A simulation device for a rocket fuel filling liquid path, characterized in that, The simulation device of the rocket fuel filling liquid path includes a liquid tank, at least one liquid path parameter collector, and at least one pipeline device. Among them, the liquid path parameter collector includes a pressure collector, a temperature sensor, and an acceleration sensor; The pipeline device includes a first ball valve, a second ball valve, a third ball valve, a flow meter, a water pump, a check valve, and a filter connected through pipelines; The liquid inlet of the first ball valve is connected to the bottom of the liquid tank so that the liquid in the liquid tank can flow into the first ball valve, and the liquid outlet of the second ball valve is connected to the liquid tank; The third ball valve, the flow meter, the water pump, the check valve, and the filter are connected in sequence between the liquid outlet of the first ball valve and the liquid inlet of the second ball valve according to a preset order, so that the liquid flowing out of the liquid tank can flow back into the liquid tank through the first ball valve, the third ball valve, the flow meter, the water pump, the check valve, the filter, and the second ball valve; The pressure collector is arranged at a first position on the pipeline for collecting the pressure information of the liquid in the pipeline, the temperature sensor is arranged at a second position on the pipeline for collecting the temperature information of the liquid in the pipeline, and the acceleration sensor is arranged at a third position on the pipeline for collecting the vibration information of the pipeline; Each pipeline device is arranged on the pipeline through a detachable connection component so that the pipeline device can be removed from the pipeline or installed on the pipeline. Each liquid path parameter collector is arranged at a preset position corresponding to the liquid path parameter collector on the pipeline for collecting the liquid path parameters of the simulated rocket fuel filling liquid path.

2. A measurement and control system, characterized in that, It includes the simulation device of the rocket fuel filling liquid path as described in claim 1; The measurement and control system further includes a measurement recorder and a measurement and control controller; The measurement recorder is connected to the flow meter of the simulation device of the rocket fuel filling liquid path for obtaining the flow value measured by the flow meter; The measurement and control controller is connected to each liquid path parameter collector of the simulation device of the rocket fuel filling liquid path to respectively obtain the liquid path parameters collected by each liquid path parameter collector; The control end of the measurement and control controller is also connected to the controlled end of the water pump for controlling the operating state of the water pump.

3. The measurement and control system according to claim 2, wherein The measurement and control controller includes a programmable logic controller and a display screen; The programmable logic controller is connected to each liquid path parameter collector to obtain the liquid path parameters collected by each liquid path parameter collector; The programmable logic controller is connected to the display screen for sending the liquid path parameters to the display screen so that the display screen can display the liquid path parameters.

4. The measurement and control system according to claim 3, wherein The first control end of the programmable logic controller is connected to the controlled end of the water pump for controlling the operating state of the water pump and obtaining the operating parameters of the water pump; The programmable logic controller is also used for sending the operating parameters to the display screen so that the display screen can display the operating parameters.

5. The measurement and control system according to claim 3, wherein The measurement and control controller further includes a remote communication unit, and a control end of the remote communication unit is connected to a signal output end of the programmable logic controller; The remote communication unit is used to connect to a host computer at a remote end to establish a communication connection between the programmable logic controller and the host computer.

6. The measurement and control system according to claim 3, wherein A power supply access end of the measurement and recording instrument is connected to an external power supply; The measurement and control system further includes a power switch, an access end of the power switch is connected to the external power supply, and an output end of the power switch is respectively connected to a power receiving end of the water pump and a power receiving end of the programmable logic controller; A second control end of the programmable logic controller is connected to a controlled end of the power switch and is used to control the power switch to be turned on or off.

7. The measurement and control system according to claim 6, wherein A power supply end of the programmable logic controller is respectively connected to a power receiving end of each liquid path parameter collector to supply power to each liquid path parameter collector.

8. The measurement and control system according to claim 6, wherein The measurement and control system further includes a phase sequence protection relay; The phase sequence protection relay is connected between an output end of the power switch and a power receiving end of the water pump, and the water pump obtains a working power supply from the power switch through the phase sequence protection relay.

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