Testing device, system and method and storage medium

Abstract

The invention discloses a testing device, system and method and a storage medium, the testing device comprises a first air inlet channel, the air inlet of the first air inlet channel is communicated with external air supply equipment, the air outlet of the first air inlet channel is communicated with a testing container, and the first air inlet channel is sequentially provided with a mass flow meter, a first pneumatic valve and an electric valve; the first pressure sensor is arranged in the first air inlet channel and located between the electric valve and an air outlet of the first air inlet channel in the air inlet direction. An air inlet of the exhaust channel is communicated with the test container, and a second pneumatic valve is arranged on the exhaust channel; the second pressure sensor is arranged in the exhaust channel and located between the second pneumatic valve and an air inlet of the exhaust channel. According to the invention, the efficiency and safety of air pressure testing of the pressure container are improved, abnormal conditions in the testing process can be found in time, and the possibility of damage in the tested container is qualitatively analyzed.

Description

Technical Field

[0001] The present invention relates to the technical field of pressure vessel strength testing, and particularly to a testing device, system, method and storage medium. Background Art

[0002] As a key pressure-bearing device, the safety of a pressure vessel needs to be ensured by strength tests required by regulations. Although hydrostatic testing is a commonly used method, for containers that need to be kept dry or have a high cleanliness level, pneumatic testing must be used. Traditional manual valve group testing relies on manual operation to switch valves and adjust parameters, which has problems such as low efficiency, poor safety and high working intensity. Especially due to significant differences in the parameters of the test cavity, the efficiency is further affected. Existing automatic testing systems use technologies such as pneumatic proportional valves and PLC control, but are prone to getting out of control when the leakage rate of the container under test is too high, and cannot monitor the sealing performance and damage degree in real time.

[0003] Therefore, there is an urgent need to develop a new type of pneumatic testing system that is efficient, safe, can monitor the sealing performance in real time and evaluate damage to meet the high reliability requirements of the industry. Summary of the Invention

[0004] The purpose of the present invention is to solve the problems of the existing testing systems. The present invention provides a testing device, a testing system, a computer storage medium and a program product, which can improve the efficiency and safety of pneumatic testing of pressure vessels, can immediately detect abnormal situations during the testing process, and qualitatively analyze the possible damage inside the container under test.

[0005] To solve the above technical problems, an embodiment of the present invention discloses a testing device, including a first air inlet passage, the air inlet of the first air inlet passage is communicated with an external air supply device, the air outlet of the first air inlet passage is communicated with a test container, along the air inlet direction, a mass flow meter, a first pneumatic valve and an electric valve are sequentially arranged on the first air inlet passage; a first pressure sensor, the first pressure sensor is arranged on the first air inlet passage, along the air inlet direction, the first pressure sensor is located between the electric valve and the air outlet of the first air inlet passage; an exhaust passage, the air inlet of the exhaust passage is communicated with the test container, a second pneumatic valve is arranged on the exhaust passage; a second pressure sensor, the second pressure sensor is arranged on the exhaust passage, along the air outlet direction, the second pressure sensor is located between the second pneumatic valve and the air inlet of the exhaust passage.

[0006] With the above technical solution, the test device of the embodiment of the present application can achieve automatic pressure boosting and pressure reducing operations through the first pneumatic valve, the electric valve, and the second pneumatic valve. Compared with the manual pressure boosting and pressure reducing in the prior art, the pressure accuracy of the test device of the embodiment of the present application is improved and the applicability is higher. In particular, it can accurately and safely meet the test requirements of the cavity with a small container and a small pressure. It can improve the work efficiency of employees and optimize the work intensity, and avoid potential safety risks brought by manually adjusting the valve.

[0007] In addition, the test device of the embodiment of the present application detects the mass of the gas flowing through by the mass flowmeter, and judges the abnormality of the equipment according to the relationship between the measured value of the mass flowmeter (i.e., the mass of the gas flowing through) and the outlet pressure of the test container (for example, the pressure value detected by the second pressure sensor). Combining the pressure-mass curve during the test, it can provide key data (such as the pressure-mass curve or the pressure-time curve) for accident analysis (such as the strength failure of the test container), and can predict the damage situation of the device under test (such as the test container) and the feasibility of repair.

[0008] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a test device, further comprising: a second intake passage, arranged in parallel with the first intake passage. Along the intake direction, the intake port of the second intake passage is located between the first pneumatic valve and the intake port of the first intake passage, and the outlet port of the second intake passage is located between the electric valve and the test container. A bypass valve is provided on the second intake passage.

[0009] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a test device, and a first manual valve is further provided on the first intake passage. Along the intake direction, the first manual valve is located between the intake port of the second intake passage and the mass flowmeter.

[0010] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a test device, the bypass valve includes a first bypass valve and a second bypass valve. Along the intake direction, the first bypass valve and the second bypass valve are sequentially arranged on the second intake passage.

[0011] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a test device, and an exhaust branch is further provided on the exhaust passage. The exhaust branch is arranged in parallel with the exhaust passage. Along the outlet direction, the second pneumatic valve is located between the intake port and the outlet port of the exhaust branch. A second manual valve is provided on the exhaust branch.

[0012] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a testing device, further comprising: a first pressure gauge disposed in the first air inlet passage, and along the air inlet direction, the first pressure gauge is located between the air inlet of the first air inlet passage and the air inlet of the second air inlet passage; a second pressure gauge disposed in the first air inlet passage, and along the air inlet direction, the second pressure gauge is located between the electric valve and the air outlet of the first air inlet passage; a third pressure gauge disposed in the exhaust passage, and along the air outlet direction, the third pressure gauge is located between the air inlet of the exhaust passage and the second pressure sensor.

[0013] An embodiment of the present invention further discloses a testing system, comprising: the testing device according to any one of the above embodiments; a gas supply device, the gas supply device is communicated with the air inlet of the first air inlet passage of the testing device; a testing container, the testing container is respectively communicated with the air outlet of the first air inlet passage of the testing device and the air inlet of the exhaust passage; a controller, electrically connected to the mass flowmeter, the first pneumatic valve, the electric valve, the first pressure sensor, the second pneumatic valve and the second pressure sensor respectively; the controller is configured to control the opening and closing of the first pneumatic valve and the electric valve according to the input control program and the measured value feedback by the mass flowmeter and the pressure value feedback by the first pressure sensor, so as to realize the automatic pressurization operation of the testing container; or, the controller is configured to control the opening and closing of the second pneumatic valve according to the input control program and the pressure value feedback by the second pressure sensor, so as to realize the automatic pressure relief operation of the testing container.

[0014] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a testing system, further comprising a human-machine interaction device, electrically connected to the controller, and the human-machine interaction device is at least used for inputting a control program and displaying status parameters.

[0015] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a testing system, further comprising an alarm, the alarm is electrically connected to the controller.

[0016] An embodiment of the present invention further discloses a testing method, comprising: obtaining an execution instruction of a control program to be pre-executed; according to the execution instruction, the controller performs a pressurization operation on the testing container; or, according to the execution instruction, the controller performs a pressure relief operation on the testing container.

[0017] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a testing method. When the controller performs a pressurization operation on the test container according to the execution instruction, it includes: controlling the first pneumatic valve to open and determining that the first pneumatic valve is in the open state; controlling the electric valve to open and determining that the electric valve is in the open state, and adjusting the opening angle of the electric valve according to the real-time pressure value calculated based on the measured value mass detected by the mass flowmeter and the volume V of the test container; drawing a pressure-mass curve according to the measured value mass detected by the mass flowmeter and the pressure value P detected by the second pressure sensor; determining that the pressure value P detected by the second pressure sensor is equal to the first preset pressure value P1, controlling the first pneumatic valve to close, and controlling the electric valve to close after a preset time.

[0018] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a testing method. The testing method further includes: determining that the test system is in an abnormal state, controlling the alarm to alarm, and controlling the first pneumatic valve and the electric valve to close; wherein, the abnormal state includes at least any one or more of the following: the pressure value P0 detected by the first pressure sensor or the pressure value P detected by the second pressure sensor does not change within a preset time; or, the difference between the pressure value P0 detected by the first pressure sensor and the pressure value P detected by the second pressure sensor is greater than the second preset pressure value P2; or, the calculated value obtained by calculating based on the measured value mass detected by the mass flowmeter, the volume V of the test container, and the pressure value P detected by the second pressure sensor is less than the theoretical value, and the calculated value = P×V / mass; or, the controller receives a power-off signal fed back by the first pressure sensor or the second pressure sensor.

[0019] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a testing method. When the controller performs a pressurization operation on the test container according to the execution instruction, it includes: controlling the second pneumatic valve to open and determining that the second pneumatic valve is in the open state; determining that the pressure value P detected by the second pressure sensor is equal to the third preset pressure value P3, and controlling the second pneumatic valve to close.

[0020] An embodiment of the present invention also discloses a computer storage medium, including a memory and a processor. The memory is suitable for storing computer instructions, and the processor is suitable for executing the testing method described in any of the above embodiments when running the computer instructions.

[0021] An embodiment of the present invention also discloses a computer program product, including a computer program / instructions. When the computer program / instructions are executed by the processor, the testing method described in any of the above embodiments is implemented.

[0022] To make the above content of the present invention more obvious and understandable, preferred embodiments are specifically given below and described in detail in conjunction with the accompanying drawings. Brief Description of the Drawings

[0023] Figure 1 Schematic diagram of the structure of the test device showing an embodiment of the present invention Figure 1 ;

[0024] Figure 2 Schematic diagram of the structure of the test device showing an embodiment of the present invention Figure 2 ;

[0025] Figure 3A Flow chart of the test method showing an embodiment of the present invention Figure 1 ;

[0026] Figure 3B Flow chart of the test method showing an embodiment of the present invention Figure 2 ;

[0027] Figure 3C Schematic diagram of the pressure - mass curve showing an embodiment of the present invention;

[0028] Figure 4 Block diagram of the electronic device provided by an embodiment of the present invention;

[0029] Figure 5 Block diagram of a system - on - chip (SoC) provided by an embodiment of the present invention. Detailed Embodiments

[0030] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiments, this does not mean that the features of this invention are limited to this implementation manner. On the contrary, the purpose of introducing the invention in conjunction with the implementation manner is to cover other alternatives or modifications that may be extended based on the claims of the present invention. To provide a deep understanding of the present invention, many specific details will be included in the following description. The present invention can also be implemented without these details. In addition, to avoid confusing or obscuring the key points of the present invention, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0031] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] In the description of this embodiment, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive product is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0033] The terms "first", "second", etc. are only used for distinguishing descriptions and should not be construed as indicating or implying relative importance.

[0034] In the description of this embodiment, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood according to specific situations.

[0035] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the drawings.

[0036] Figure 1 The structural schematic diagram of a test system is shown according to some embodiments of the present application Figure 1 。 Figure 2 The structural schematic diagram of a test system is shown according to some embodiments of the present application Figure 2 。

[0037] As Figure 1 and Figure 2 shown, a test system 1 provided by an embodiment of the present application includes: a test device 10, a gas supply device 20, a test container 30, and a controller 40. Exemplarily, the controller 40 in the embodiment of the present application is a programmable logic controller (Programmable Logic Controller, abbreviated as PLC controller). The safety gas for testing provided by the gas supply device 20 in the embodiment of the present application can specifically be nitrogen, but it is not limited thereto. In the actual application process, other safety gases for detection commonly used by those skilled in the art can also be used, and no more specific limitations are made here. For example, it can be helium, etc.

[0038] Among them, the test device 10 provided by the embodiment of the present application includes: a first intake channel 11, a first pressure sensor 12, an exhaust channel 13, and a second pressure sensor 14.

[0039] Specifically, asFigure 1 As shown, a first intake passage 11 and an exhaust passage 13 are connected to the test container 30. That is, the outlet 1101 of the first intake passage 11 communicates with the test container 30, and the inlet 1301 of the exhaust passage 13 communicates with the test container 30. Exemplarily, the test container 30 is provided with quick connectors (not shown in the figure) adapted to the outlet 1101 of the first intake passage 11 and the inlet 1301 of the exhaust passage 13, so that the test device 10 of the embodiment of the present application can be quickly disassembled and assembled with the test container 30, improving the test efficiency. The inlet 1102 of the first intake passage 11 communicates with an external gas supply device 20 loaded with a safety gas for detection. Along the intake direction (such as Figure 1 the X direction shown in the figure), a mass flow meter 111, a first pneumatic valve 112, and an electric valve 113 are sequentially arranged on the first intake passage 11, and a second pneumatic valve 131 is arranged on the exhaust passage 13.

[0040] Thus, by quickly opening or closing the first pneumatic valve 112 and the electric valve 113, the pressure of the first intake passage 11 and the test container 30 during the inflation process can be precisely controlled. In other words, during the inflation process, the gas source from the external gas supply device 20 flows into the first intake passage 11 from the inlet 1102 of the first intake passage 11, then sequentially flows through the mass flow meter 111, the first pneumatic valve 112, and the electric valve 113, and then flows into the test container 30 from the outlet 1101 of the first intake passage 11 to complete the intake.

[0041] Furthermore, by quickly opening or closing the second pneumatic valve 131, the pressure of the test container 30 and the exhaust passage 13 during the exhaust process can be precisely controlled. In other words, during the exhaust process, the gas inside the test container 30 flows into the exhaust passage 13 from the inlet 1301 of the exhaust passage 13, flows through the second pneumatic valve 131, and then flows out from the outlet 1302 of the exhaust passage 13 to complete the exhaust.

[0042] The test device 10 of the embodiment of the present application can realize automatic pressure boosting and pressure reducing operations through the first pneumatic valve 112, the electric valve 113, and the second pneumatic valve 131. Compared with the manual pressure boosting and pressure reducing in the prior art, the pressure accuracy of the test device 10 of the embodiment of the present application is improved and the applicability is higher. In particular, it can accurately and safely meet the test requirements of small containers with small pressure chambers. It can improve the work efficiency of employees and optimize the work intensity, and avoid potential safety risks brought by manually adjusting the valves.

[0043] In addition, the test device 10 according to the embodiment of the present application detects the mass of the gas flowing through by the mass flowmeter 111, and determines the abnormality of the device according to the relationship between the measured value mass detected by the mass flowmeter 111 (i.e., the mass of the gas flowing through) and the pressure at the outlet of the test container 30 (for example, the pressure value P detected by the second pressure sensor 14), so as to provide key data (such as a pressure-mass curve or a pressure-time curve) for accident analysis (such as the strength failure of the test container 30), and can predict the damage condition of the device under test (such as the test container 30) and the feasibility of repair.

[0044] It can be understood that according to the ideal gas state equation: PV = nRT, where P represents the pressure of the gas (unit: Pascal, Pa), that is, the pressure value detected by the second pressure sensor 14, V represents the volume of the gas (unit: cubic meter, m 3 ), n represents the amount of substance of the gas (unit: mole, mol), R represents the ideal gas constant (its value is approximately 8.314 J / (mol·K)), and T represents the absolute temperature of the gas (unit: Kelvin, K). Thus, during the test, based on the measured value mass detected by the mass flowmeter 111 according to the embodiment of the present application (i.e., the mass of the gas flowing through), and then according to the pressure value measured in real time at the outlet of the current test container 30 (for example, the pressure value P measured by the second pressure sensor 14 described later, that is, the pressure P of the gas in the ideal gas state equation), the amount of gas flowing into the test container 30 through the first intake passage 11 can be obtained.

[0045] Furthermore, since the volume of the device under test (such as the test container 30) is determined, by comparing the amount of gas with the volume of the device under test, it is possible to determine whether there are abnormalities such as bulging or air leakage in the test device 10 and the test container 30 according to the embodiment of the present application, and determine the size of the potential affected area, so as to provide a basis for further accident analysis.

[0046] Continue to refer to Figure 1 、 2, the above-mentioned controller 40 is electrically connected to the mass flowmeter 111, the first pneumatic valve 112, the electric valve 113, and the first pressure sensor 12 provided on the first intake passage 11, and the second pneumatic valve 131 and the second pressure sensor 14 provided on the exhaust passage 13 respectively. The first pressure sensor 12 is provided in the first intake passage 11. Along the intake direction X, the first pressure sensor 12 is located between the electric valve 113 and the outlet 1101 of the first intake passage 11, and is used to detect the pressure value in the first intake passage 11 and feedback it to the controller 40. During the inflation process, the mass flowmeter 111 detects the measured value mass (i.e., the mass of the flowing gas) in real time and feedbacks it to the controller 40 for calculating the relationship between the measured value and the amount of gas. The second pressure sensor 14 is provided in the exhaust passage 13. Along the outlet direction (such as Figure 1 shown by the Y direction in

[0047] ), the second pressure sensor 14 is located between the second pneumatic valve 131 and the inlet 1301 of the exhaust passage 13, and is used to detect the pressure value of the test container 30 and feedback it to the controller 40.

[0048] Exemplarily, the first pneumatic valve 112, the second pneumatic valve 131, and the electric valve 113 of the embodiments of the present application all have a position feedback function to feedback their own position signals to the controller 40, so that the test system 1 of the embodiments of the present application can better monitor the states of the first pneumatic valve 112, the second pneumatic valve 131, and the electric valve 113, and improve the safety of the test system 1.

[0049] Exemplarily, in some possible implementation manners, such as Figure 2 shown, the test system 1 of the embodiments of the present application further includes a human-machine interaction device 50. The human-machine interaction device 50 is electrically connected to the controller 40, and the human-machine interaction device 50 is at least used to input control programs, control parameters, and display status parameters. For example, it is the measured value mass detected and feedback by the mass flowmeter 111, the pressure value P0 detected and feedback by the first pressure sensor 12, and the pressure value P detected and feedback by the second pressure sensor 14, and their position states, etc.

[0050] Thus, through the human-machine interaction device 50, the input of control programs and control parameters and the display of status parameters are realized, enabling the test device 10 of the embodiment of the present application to perform automated boost and depressurization operations on the test container 30 according to the control program customized by the user, avoiding the safety risks caused by the manual adjustment of valves not meeting the test accuracy requirements of the cavity with a small container and small pressure, while greatly reducing the interference of human factors and improving the detection accuracy and detection efficiency.

[0051] Exemplarily, the human-machine interaction device 50 of the embodiment of the present application includes a touch screen 51 and an industrial control computer 52 (see Figure 2 ). In the actual application process, it can be selected according to actual needs, and no more specific limitations are made here. The human-machine interaction device 50 of the embodiment of the present application can also store and display the execution parameter records of the controller 40. By storing and displaying the execution parameter records through the human-machine interaction device 50, the traceability of test data is greatly improved, facilitating subsequent execution of various refined analyses, such as the accident analysis described above.

[0052] Exemplarily, in some possible implementation manners, as Figure 2 shown, the test system 1 of the embodiment of the present application further includes an alarm 60. The alarm 60 is electrically connected to the controller 40. When the controller 40 performs inflation or exhaust operations on the test container 30 according to the control program and an abnormality occurs, the controller 40 controls the alarm 60 to trigger an alarm prompt (such as a sound and light alarm, or display the alarm content on the touch screen 51 and the industrial control computer 52). Thus, the operator can timely adjust the test device 10 of the embodiment of the present application.

[0053] In addition, during the test, in order to cope with the abnormal situation where the automated boost and depressurization operations cannot be carried out normally, such as a power failure, etc., the test device 10 of the embodiment of the present application also has a manual test function, with great operation flexibility.

[0054] Continuing to refer to Figure 1 , exemplarily, in some possible implementation manners, the test device 10 of the embodiment of the present application further includes a second intake passage 15. Specifically, along the intake direction X, the intake port 1501 of the second intake passage 15 is located between the first pneumatic valve 112 and the intake port 1102 of the first intake passage 11, and the outlet port 1502 of the second intake passage 15 is located between the electric valve 113 and the test container 30. The second intake passage 15 is arranged in parallel with the first intake passage 11, and a bypass valve 151 is provided on the second intake passage 15 so that when the first pneumatic valve 112 and the electric valve 113 on the first intake passage 11 of the embodiment of the present application are abnormal, the bypass valve 151 on the second intake passage 15 can be operated to perform manual testing using the second intake passage 15.

[0055] Exemplarily, the bypass valve 151 of the embodiment of the present application includes a first bypass valve 1511 and a second bypass valve 1512. Along the intake direction X, the first bypass valve 1511 and the second bypass valve 1512 are sequentially arranged in the second intake passage 15. Among them, the first bypass valve 1511 is a manual ball valve, and the second bypass valve 1512 is a manual globe valve, so that during manual testing, the first bypass valve 1511 is first operated to open and close, and then the second bypass valve 1512 is operated to precisely adjust the amount of gas flowing in the second intake passage 15.

[0056] Exemplarily, in some possible implementation manners, a first manual valve 114 is further arranged on the first intake passage 11 of the embodiment of the present application. Along the intake direction X, the first manual valve 114 is located between the intake port 1501 of the second intake passage 15 and the mass flow meter 111. Among them, the first manual valve 114 is a manual ball valve, so that when the first pneumatic valve 112 and the electric valve 113 on the first intake passage 11 of the embodiment of the present application are abnormal, the air source can be emergently closed by manually operating the first manual valve 114 to protect the subsequent equipment of the testing device 10 of the embodiment of the present application.

[0057] Exemplarily, in some possible implementation manners, an exhaust branch 16 is further arranged on the exhaust passage 13 of the embodiment of the present application. Specifically, along the outlet direction Y, the second pneumatic valve 131 is located between the intake port 1601 and the outlet port 1602 of the exhaust branch 16. The exhaust branch 16 is arranged in parallel with the exhaust passage 13, and a second manual valve 161 is arranged on the exhaust branch 16. Among them, the second manual valve 161 is a manual ball valve, so that when the second pneumatic valve 131 on the exhaust passage 13 of the embodiment of the present application is abnormal, the second manual valve 161 on the exhaust branch 16 can be operated to perform emergency exhaust and manual testing by using the exhaust branch 16.

[0058] Exemplarily, in some possible implementation manners, the testing device 10 of the embodiment of the present application further includes a first pressure gauge 181, a second pressure gauge 182, and a third pressure gauge 183 for manually reading the air pressures in the testing device 10 and the testing container 30. Among them, as Figure 1As shown in the figure, the first pressure gauge 181 is provided in the first intake passage 11. Along the intake direction X, the first pressure gauge 181 is located between the intake port 1102 of the first intake passage 11 and the intake port 1501 of the second intake passage 15, for manually reading the air pressure at the place where the air source (i.e., the air supply device 20) enters the first intake passage 11. The second pressure gauge 182 is provided in the first intake passage 11. Along the intake direction X, the second pressure gauge 182 is located between the electric valve 113 and the outlet port 1101 of the first intake passage 11, for manually reading the air pressure before the gas in the first intake passage 11 enters the test container 30. The third pressure gauge 183 is provided in the exhaust passage 13. Along the outlet direction Y, the third pressure gauge 183 is located between the intake port 1301 of the exhaust passage 13 and the second pressure sensor 14, for manually reading the air pressure in the test container 30.

[0059] Exemplarily, the embodiments of the present application do not specifically limit the installation positions of the first pressure gauge 181, the second pressure gauge 182, and the third pressure gauge 183. As long as it can achieve, for example, the measurement of the air pressure at the place where the air source enters the first intake passage 11 by the first pressure gauge 181, the measurement of the air pressure at the entrance of the test container 30 by the second pressure gauge 182, and the measurement of the air pressure in the test container 30 by the third pressure gauge 183. For example, in other possible embodiments, the first pressure gauge 181 and the second pressure gauge 182 can also be sequentially arranged at other positions on the first intake passage 11 along the intake direction X, and the third pressure gauge 183 can also be arranged at other positions on the exhaust passage 13.

[0060] Exemplarily, the embodiments of the present application do not limit the types of the first pneumatic valve 112 and the second pneumatic valve 131. The first pneumatic valve 112 and the second pneumatic valve 131 in the embodiments of the present application can specifically be pneumatic ball valves, but not limited thereto. In the actual application process, other valves commonly used by those skilled in the art can also be used, and no more specific limitations are made here.

[0061] Moreover, the embodiments of the present application do not limit the types of the first pressure sensor 12 and the second pressure sensor 14. The first pressure sensor 12 and the second pressure sensor 14 in the embodiments of the present application can specifically be pressure transmitters, but not limited thereto. In the actual application process, other sensors commonly used by those skilled in the art can also be used, and no more specific limitations are made here.

[0062] Next, based on Figure 1 and Figure 2 the schematic diagram of the test system 1 shown, the test method of the present application will be described in detail through Figure 3A and Figure 3B .

[0063] Specifically, the present application Figure 3A and Figure 3BThe test method can be implemented by the controller 40 of the test system 1 executing the relevant program.

[0064] Reference Figure 3A , according to a specific embodiment of the present application, the test method provided includes the steps shown below.

[0065] S100: Obtain the execution instruction of the control program to be pre-executed.

[0066] Here, the controller 40 of the embodiment of the present application can accept the execution instructions of the control program and control parameters to be pre-executed input from the outside (for example, the above-mentioned human-computer interaction device 50). And, the controller 40 can store and update the obtained execution parameter records, greatly improving the traceability of test data.

[0067] S200: According to the execution instruction, the controller performs a pressurization operation on the test container.

[0068] Here, the controller 40 of the embodiment of the present application is electrically connected to the first pneumatic valve 112 and the electric valve 113, and according to the execution instruction, controls the opening and closing of the first pneumatic valve 112 and the electric valve 113 to implement an automatic pressurization operation on the test container 30.

[0069] It should be noted that when the test device 10 of the embodiment of the present application is operating normally, the first manual valve 114 on the first intake passage 11 of the embodiment of the present application is in the open state, the first bypass valve 1511 and the second bypass valve 1512 on the second intake passage 15, and the second manual valve 161 on the exhaust branch 16 are all in the closed state, so that the test device 10 of the embodiment of the present application can perform an automated boost and depressurization operation on the test container 30 through the first intake passage 11 and the exhaust passage 13.

[0070] Continue to refer to Figure 3A , in the embodiment of the present application, step S200 specifically includes:

[0071] S201: Control the first pneumatic valve to open and determine that the first pneumatic valve is in the open state.

[0072] Here, the controller 40 of the embodiment of the present application sends an electrical signal to open the first pneumatic valve 112 to the first pneumatic valve 112 according to the execution instruction, and accepts the position signal (for example, the open state signal and the closed state signal) fed back after the first pneumatic valve 112 is opened to determine that the first pneumatic valve 112 is in the open state.

[0073] S202: Control the electric valve to open and determine that the electric valve is in the open state, and adjust the opening angle of the electric valve according to the real-time pressure value calculated based on the measured value mass detected by the mass flowmeter and the volume V of the test container.

[0074] Here, the controller 40 of the embodiment of the present application sends an electrical signal to open the electric valve 113 according to the execution instruction, and receives the position signal (such as the valve angle signal) fed back after the electric valve 113 is opened, so as to determine that the electric valve 113 is in the open state, and at the same time, the opening angle of the electric valve 113 can also be determined.

[0075] Thus, in combination with the ideal gas state equation (PV = nRT), the controller 40 calculates the real-time pressure value based on the measured value mass detected by the mass flowmeter 111 in real time, the volume V of the test container 30, and the molar mass and molar constant of the test safety gas (such as nitrogen), and then compares the real-time pressure value with the planned pressure value for boosting (i.e., the planned pressure value in the inflation process of the test device 10 of the embodiment of the present application), and sends an electrical signal to adjust the opening angle of the electric valve 113 to the electric valve 113, so as to adjust the opening angle of the electric valve 113 in real time to maintain the instantaneous pressure boost speed in line with the set pressure boost speed.

[0076] For example, when the calculated real-time pressure value is greater than the planned pressure value for boosting, the controller 40 sends an electrical signal to reduce the opening angle of the electric valve 113 to the electric valve 113 according to the execution instruction; or when the calculated real-time pressure value is less than the planned pressure value for boosting, the controller 40 sends an electrical signal to increase the opening angle of the electric valve 113 to the electric valve 113 according to the execution instruction.

[0077] S203: Draw a pressure-mass curve according to the measured value mass detected by the mass flowmeter and the pressure value P detected by the second pressure sensor.

[0078] Here, the controller 40 of the embodiment of the present application draws a pressure-mass curve according to the measured value mass detected by the mass flowmeter 111 and the pressure value P detected by the second pressure sensor 14 (see Figure 3C ). In some possible implementation manners, the pressure-mass curve drawn by the controller 40 can be shown on the human-computer interaction device 50.

[0079] Figure 3C Show a schematic diagram of the pressure-mass curve of the embodiment of the present application. As Figure 3C shown, the horizontal axis (mass / kg) in the figure is the measured value mass detected by the mass flowmeter 111, and the vertical axis (pressure / Pascal) is the pressure value P detected by the second pressure sensor 14. It can be seen from the figure that there is an obvious linear relationship between the measured value mass detected by the mass flowmeter 111 and the pressure value P detected by the second pressure sensor 14 in the embodiment of the present application. As the mass of the test safety gas flowing in increases, the pressure in the test container 30 also increases.

[0080] That is to say, in combination with Figure 3CIt is verified that the test system 1 according to the embodiments of the present application can achieve dual measurement in coordinated cooperation through the mass flowmeter 111 and the second pressure sensor 14, so as to ensure more accurate test results.

[0081] S204: Determine that the pressure value P detected by the second pressure sensor is equal to the first preset pressure value P1, control the first pneumatic valve to close, and control the electric valve to close after a preset time.

[0082] Here, the controller 40 according to the embodiments of the present application determines whether to close the first pneumatic valve 112 based on the magnitude relationship between the pressure value P detected by the second pressure sensor 14 and the first preset pressure value P1. Exemplarily, the first preset pressure value P1 = 70 bar.

[0083] For example, when the pressure value P detected by the second pressure sensor 14 is equal to the first preset pressure value P1, that is, P = 70 bar = P1, the controller 40 sends an electrical signal to close the first pneumatic valve 112 to the first pneumatic valve 112 according to the execution instruction, and after a preset time (for example, 3S), the controller 40 sends an electrical signal to close the electric valve 113 to the electric valve 113 according to the execution instruction.

[0084] Or, when the pressure value P detected by the second pressure sensor 14 is less than the first preset pressure value P1, that is, P = 65 bar < P1, the controller 40 does not send an electrical signal to close to the first pneumatic valve 112 and the electric valve 113 according to the execution instruction.

[0085] Reference Figure 3B In addition, the test method according to the embodiments of the present application further includes step S300.

[0086] S300: According to the execution instruction, the controller performs a pressure relief operation on the test container.

[0087] Here, the controller 40 according to the embodiments of the present application is electrically connected to the second pneumatic valve 131, and controls the opening and closing of the second pneumatic valve 131 according to the execution instruction to implement an automatic pressure relief operation on the test container 30.

[0088] Continuing to refer to Figure 3B In the embodiments of the present application, step S300 specifically includes:

[0089] S301: Control the second pneumatic valve to open and determine that the second pneumatic valve is in an open state.

[0090] Here, the controller 40 according to the embodiments of the present application sends an electrical signal to open the second pneumatic valve 131 to the second pneumatic valve 131 according to the execution instruction, and receives the position signal (for example, an open state signal and a closed state signal) fed back after the second pneumatic valve 131 is opened to determine that the second pneumatic valve 131 is in an open state.

[0091] S302: Determine that the pressure value P detected by the second pressure sensor is equal to the third preset pressure value P3, and control the second pneumatic valve to close.

[0092] Here, the controller 40 of the embodiment of the present application receives the pressure value P detected by the second pressure sensor 14 according to the execution instruction, and determines whether to close the second pneumatic valve 131 according to the magnitude relationship between this pressure value and the third preset pressure value P3. Exemplarily, the third preset pressure value P3 = 0 bar.

[0093] For example, when the pressure value P detected by the second pressure sensor 14 is equal to the third preset pressure value P3, that is, P = 0 bar = P3, the controller 40 sends an electrical signal to close the second pneumatic valve 131 to the second pneumatic valve 131 according to the execution instruction.

[0094] Or, when the pressure value P detected by the second pressure sensor 14 is greater than the third preset pressure value P3, that is, P = 5 bar > P3, the controller 40 does not send an electrical signal to close to the second pneumatic valve 131 according to the execution instruction.

[0095] In addition, the test method of the embodiment of the present application further includes step S400:

[0096] S400: Determine that the test system is in an abnormal state, control the alarm to alarm, and control the first pneumatic valve and the electric valve to close.

[0097] Here, the controller 40 of the embodiment of the present application determines whether the test system is in an abnormal state according to the state signal of the first pneumatic valve 112 (such as an open state signal and a closed state signal), the position information of the electric valve 113 (such as a valve angle signal), as well as the measured value mass detected by the mass flow meter 111, the pressure value P0 detected by the first pressure sensor 12, and the pressure value P detected by the second pressure sensor 14.

[0098] Specifically, determining that the test system is in an abnormal state at least includes:

[0099] When the mass flow detected by the mass flow meter 111 is increasing, the pressure value P0 detected by the first pressure sensor 12 does not change within a preset time (such as 5S). Or, the pressure value P detected by the second pressure sensor 14 does not change within a preset time (such as 3S). That is, when the first pressure sensor 12 or the second pressure sensor 14 does not detect a change in pressure or the pressure value is too small within the preset time, the controller 40 can determine that the test system 1 of the embodiment of the present application (such as the test device 10 and the test container 30) is in an abnormal state.

[0100] Alternatively, the difference between the pressure value P0 detected by the first pressure sensor 12 and the pressure value P detected by the second pressure sensor 14 is greater than the second preset pressure value P2. Exemplarily, the second preset pressure value P2 = 10 bar. For example, when the difference between the pressure value P0 detected by the first pressure sensor 12 and the pressure value P detected by the second pressure sensor 14 is 15 bar, which is greater than P2, the controller 40 can determine that the test system 1 (such as the test device 10 and the test container 30) of the embodiment of the present application is in an abnormal state.

[0101] Alternatively, the calculated value obtained by calculating based on the measured value mass of the mass flowmeter 111, the volume V of the test container 30, and the pressure value P detected by the second pressure sensor 14 is less than the theoretical value. Wherein, the calculated value = P × V / mass, P represents the gas pressure (unit: Pascal, Pa), that is, the pressure value detected by the second pressure sensor 14, V represents the volume of the test container 30 (unit: cubic meter, m 3 ), and mass represents the mass of the gas (unit: kilogram, kg), that is, the measured value of the mass flowmeter 111. That is, when the product of the pressure value P detected by the second pressure sensor 14 and the volume V of the test container 30 divided by the measured value mass of the mass flowmeter 111 is less than the theoretical value, the controller 40 can determine that the test system 1 (such as the test device 10 and the test container 30) of the embodiment of the present application is in an abnormal state.

[0102] It can be understood that when the test medium (i.e., the test safety gas) is determined, , where R specific is the specific gas constant. Thus, when the type of gas provided by the gas supply device 20 (such as nitrogen) is determined and the volume V of the test container is determined, the changes in the pressure value P detected by the second pressure sensor 14 and the measured value mass (i.e., the mass of the gas flowing in) detected by the mass flowmeter 111 in the test system 1 of the embodiment of the present application can be fully reflected in the calculation formula P × V / mass of the calculated value.

[0103] Furthermore, through the dual measurement of the mass flowmeter 111 and the pressure sensors (such as the first pressure sensor 12 and the second pressure sensor 14 mentioned above) cooperating with each other, the test results of the test system 1 of the embodiment of the present application are more accurate, and the dual guarantee of the mass flowmeter 111 and the pressure sensors can detect various abnormal situations in time, ensuring the safety of the test system 1 of the embodiment of the present application.

[0104] Alternatively, the controller 40 receives a power-off signal fed back by the first pressure sensor 12. Alternatively, the controller 40 receives a power-off signal fed back by the second pressure sensor 14. It can be understood that the normal output signal range of the pressure sensor is 4 - 20 mA, while the output signal is 0 mA when the pressure sensor has a power-off. When the controller 40 receives a power-off signal of 0 mA, it can determine that the test system 1 of the embodiment of the present application is in an abnormal state.

[0105] Based on this, when the test system 1 of the embodiment of the present application is in an abnormal state, the controller 40 of the embodiment of the present application sends an alarm electrical signal to the alarm 60 according to the execution instruction, and the controller 40 controls the alarm 60 to give an alarm.

[0106] However, the embodiment of the present application does not limit the determination condition for the controller 40 to determine that the test system 1 is in an abnormal state. For example, in other possible implementation manners, since the first pneumatic valve 112, the second pneumatic valve 131, and the electric valve 113 of the embodiment of the present application all have a position feedback function to feed their own position signals back to the controller 40, when the controller 40 receives abnormal position information (such as not closing normally, or not opening normally, or an incorrect opening angle of the valve) fed back by any one of the first pneumatic valve 112, the second pneumatic valve 131, and the electric valve 113, the controller 40 can also determine that the test system 1 of the embodiment of the present application is in an abnormal state.

[0107] In addition, the present invention also provides a computer storage medium, including a memory and a processor. The memory is adapted to store computer instructions, and the processor is adapted to execute the test method described in any one of the above embodiments when running the computer instructions.

[0108] Now refer to Figure 4, shown is a block diagram of an electronic device 600 according to an embodiment of the present application. The electronic device 600 is, for example, a smart mobile terminal. The electronic device 600 may include one or more processors 601 coupled to a controller hub 603. For at least one embodiment, the controller hub 603 communicates with the processor 601 via a multi-branch bus such as a front side bus (FSB), a point-to-point interface such as a QuickPath Interconnect (QPI), or a similar connection. The processor 601 executes instructions that control general types of data processing operations. In one embodiment, the controller hub 603 includes, but is not limited to, a Graphics & Memory Controller Hub (GMCH) (not shown) and an Input Output Hub (IOH) (which may be on a separate chip) (not shown), where the GMCH includes a memory and a graphics controller and is coupled to the IOH.

[0109] The electronic device 600 may also include a coprocessor 602 and a memory 604 coupled to the controller hub 603. Alternatively, one or both of the memory and the GMCH may be integrated within the processor, the memory 604 and the coprocessor 602 are directly coupled to the processor 601 and the controller hub 603, and the controller hub 603 and the IOH are in a single chip.

[0110] The memory 604 may be, for example, a Dynamic Random Access Memory (DRAM), a Phase Change Memory (PCM), or a combination of the two. The memory 604 may include one or more tangible, non-transitory computer-readable media for storing data and / or instructions. Instructions are stored in the computer-readable storage medium, specifically, temporary and permanent copies of the instructions are stored. The instructions may include: instructions that, when executed by at least one of the processors, cause the electronic device 600 to implement the test method as Figure 3A and Figure 3B shown. When the instructions are run on a computer, the computer is caused to execute the method disclosed in any of the above embodiments or a combined embodiment to control a test device to perform a test.

[0111] In one embodiment, the coprocessor 602 is a dedicated processor, such as, for example, a high throughput MIC (Many Integrated Core) processor, a network or communication processor, a compression engine, a graphics processor, a GPGPU (General-purpose computing on graphics processing units), or an embedded processor, etc. The optional nature of the coprocessor 602 is shown with a dashed line in Figure 4 FIG.

[0112] In one embodiment, the electronic device 600 may further include a network interface (NIC, Network Interface Controller) 606. The network interface 606 may include a transceiver for providing a radio interface for the electronic device 600 to communicate with any other suitable device (such as a front-end module, an antenna, etc.). In various embodiments, the network interface 606 may be integrated with other components of the electronic device 600. The network interface 606 may implement the functions of the communication unit in the above embodiments.

[0113] The electronic device 600 may further include an input / output (I / O) device 605. The I / O 605 may include: a user interface designed to enable a user to interact with the electronic device 600; a design of a peripheral component interface to enable peripheral components to also interact with the electronic device 600; and / or sensors designed to determine environmental conditions and / or location signals related to the electronic device 600.

[0114] It should be noted that Figure 4 is merely exemplary. That is, although Figure 4 shows that the electronic device 600 includes a plurality of devices such as a processor 601, a controller hub 603, a memory 604, etc., in actual applications, a device using the methods of the present application may include only a part of the devices of the electronic device 600. For example, it may only include the processor 601 and the network interface 606. Figure 4 The nature of the optional devices in FIG. is shown with a dashed line.

[0115] Now refer to Figure 5 FIG., which shows a block diagram of a SoC (System on Chip) 700 according to an embodiment of the present application. In Figure 5 FIG., similar components have the same reference numerals. Additionally, the dashed boxes are optional features of a more advanced SoC. In Figure 5In it, the SoC includes: an interconnect unit 750, which is coupled to a processor 710; a system agent unit 780; a bus controller unit 790; an integrated memory controller unit 740; one or a group of one or more coprocessors 720, which may include integrated graphics logic, an image processor, an audio processor, and a video processor; a static random access memory (SRAM) unit 730; and a direct memory access (DMA) unit 760. In one embodiment, the coprocessor 720 includes a dedicated processor, such as, for example, a network or communication processor, a compression engine, a GPGPU (General-purpose computing on graphics processing units), a high-throughput MIC processor, or an embedded processor, etc.

[0116] The static random access memory (SRAM) unit 730 may include one or more tangible, non-transitory computer-readable media for storing data and / or instructions. Instructions are stored in the computer-readable storage medium, specifically, temporary and permanent copies of the instructions are stored. The instructions may include: instructions that, when executed by at least one of the processors, cause the SoC to implement the test method as Figure 3A and Figure 3B shown. When the instructions run on a computer, the computer is caused to execute the methods disclosed in the above embodiments.

[0117] An embodiment of the present application also provides a computer program product for implementing the test methods provided in the above embodiments.

[0118] Embodiments of the mechanisms disclosed in the present application may be implemented in hardware, software, firmware, or a combination of these implementation methods. Embodiments of the present application may be implemented as computer program modules or module codes executed on a programmable system, which programmable system includes at least one processor, a storage system (including volatile and non-volatile memories and / or storage elements), at least one input device, and at least one output device.

[0119] The computer program modules or module codes may be applied to input instructions to perform the various functions described in the present application and generate output signals. The output signals may be applied to one or more output devices in a known manner. For the purposes of the present application, the processing system includes any system having a processor such as, for example, a digital signal processor (DSP), a microcontroller, an application specific integrated circuit (ASIC), or a microprocessor.

[0120] The module code can be implemented in a high-level modular language or an object-oriented programming language to communicate with the processing system. When necessary, the module code can also be implemented in assembly language or machine language. In fact, the mechanisms described in this application are not limited to the scope of any specific programming language. In any case, the language can be a compiled language or an interpreted language.

[0121] In some cases, the disclosed embodiments can be implemented in hardware, firmware, software, or any combination thereof. The disclosed embodiments can also be implemented as instructions carried or stored on one or more transient or non-transient machine-readable (e.g., computer-readable) storage media, which can be read and executed by one or more processors. For example, the instructions can be distributed via a network or via other computer-readable media. Thus, machine-readable media can include any mechanism for storing or transmitting signals in a form readable by a machine (e.g., a computer), including but not limited to, floppy disks, optical disks, optical discs, magneto-optical discs, read only memory (ROM), random access memory (RAM), erasable programmable read only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), magnetic or optical cards, flash memory, or tangible machine-readable memories for transmitting signals (e.g., carrier waves, infrared signals, digital signals, etc.) using propagated signals in electrical, optical, acoustic, or other forms via the Internet. Thus, machine-readable media include any type of machine-readable media suitable for storing or transmitting electronic instructions or signals in a form readable by a machine (e.g., a computer).

[0122] Although the present invention has been illustrated and described with reference to certain preferred embodiments thereof, those of ordinary skill in the art should understand that the above is a further detailed description of the present invention in connection with specific embodiments, and the specific implementation of the present invention should not be construed as being limited to these descriptions. Those skilled in the art can make various changes in form and detail, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A testing device, characterized in that: include: A first air inlet channel, wherein an air inlet of the first air inlet channel is connected to an external air supply device, and an air outlet of the first air inlet channel is connected to a test container, and a mass flow meter, a first pneumatic valve and an electric valve are sequentially arranged on the first air inlet channel along an air inlet direction; a first pressure sensor, the first pressure sensor being disposed in the first air intake passage, and being located between the electric valve and an air outlet of the first air intake passage along the air intake direction; An exhaust channel, an air inlet of the exhaust channel is communicated with the test container, and a second pneumatic valve is provided on the exhaust channel; A second pressure sensor is provided in the exhaust passage. Along the exhaust direction, the second pressure sensor is located between the second pneumatic valve and the air inlet of the exhaust passage.

2. The testing device according to claim 1, characterized in that: Also includes: The second air inlet channel is arranged in parallel with the first air inlet channel. Along the air inlet direction, the air inlet of the second air inlet channel is located between the first pneumatic valve and the air inlet of the first air inlet channel, the air outlet of the second air inlet channel is located between the electric valve and the test container, and a bypass valve is provided on the second air inlet channel.

3. The testing device according to claim 2, characterized in that: A first manual valve is also provided on the first air intake passage. Along the air intake direction, the first manual valve is located between the air intake port of the second air intake passage and the mass flow meter.

4. The testing device according to claim 2 or 3, characterized in that: The bypass valve includes a first bypass valve and a second bypass valve. Along the air intake direction, the first bypass valve and the second bypass valve are sequentially arranged in the second air intake passage.

5. The testing device according to any one of claims 1 to 3, characterized in that: An exhaust branch is also provided on the exhaust channel, and the exhaust branch is arranged in parallel with the exhaust channel. Along the exhaust direction, the second pneumatic valve is located between the air inlet and the air outlet of the exhaust branch, and a second manual valve is provided on the exhaust branch.

6. The testing device according to claim 2, characterized in that: Also includes: a first pressure gauge, provided in the first air intake passage, and along the air intake direction, the first pressure gauge is located between the air intake port of the first air intake passage and the air intake port of the second air intake passage; a second pressure gauge, provided in the first air intake passage, and along the air intake direction, the second pressure gauge is located between the electric valve and the air outlet of the first air intake passage; A third pressure gauge is provided in the exhaust passage. Along the exhaust direction, the third pressure gauge is located between the air inlet of the exhaust passage and the second pressure sensor.

7. A testing system, characterized in that: include: The testing device according to any one of claims 1 to 6; An air supply device, the air supply device being in communication with an air inlet of a first air inlet passage of the testing device; A test container, the test container being respectively connected to the air outlet of the first air inlet channel and the air inlet connected to the exhaust channel of the test device; a controller, electrically connected to the mass flow meter, the first pneumatic valve, the electric valve, the first pressure sensor, the second pneumatic valve and the second pressure sensor respectively; The controller is configured to control the opening and closing of the first pneumatic valve and the electric valve according to an input control program and a measurement value fed back by the mass flow meter and a pressure value fed back by the first pressure sensor, so as to realize an automatic pressurization operation on the test container; and / or, The controller is configured to control the opening and closing of the second pneumatic valve according to an input control program and a pressure value fed back by the second pressure sensor, so as to realize an automatic pressure relief operation on the test container.

8. The test system according to claim 7, characterized in that: It also includes a human-computer interaction device, which is electrically connected to the controller, and the human-computer interaction device is at least used to input a control program and display state parameters.

9. The test system according to claim 7, characterized in that: It also includes an alarm, which is electrically connected to the controller.

10. A testing method, characterized in that: The test method is applicable to the test system according to any one of claims 7 to 9, and the test method comprises: Obtaining execution instructions of a control program to be input for pre-execution; According to the execution instruction, the controller performs a pressure charging operation on the test container; or, According to the execution instruction, the controller performs a pressure relief operation on the test container.

11. The testing method according to claim 10, characterized in that: The controller performing a pressurizing operation on the test container according to the execution instruction includes: Controlling the first pneumatic valve to open, and ensuring that the first pneumatic valve is in an open state; Controlling the electric valve to open, and determining that the electric valve is in an open state, and adjusting the opening angle of the electric valve according to the real-time pressure value calculated based on the measured value mass detected by the mass flow meter and the volume V of the test container; Draw a pressure-mass curve diagram based on the measured value mass detected by the mass flow meter and the pressure value P detected by the second pressure sensor; It is determined that the pressure value P detected by the second pressure sensor is equal to the first preset pressure value P1, the first pneumatic valve is controlled to be closed, and the electric valve is controlled to be closed after a preset time.

12. The testing method according to claim 11, characterized in that: The test method also includes: Determine that the test system is in an abnormal state, control the alarm to sound, and control the first pneumatic valve and the electric valve to close; wherein the abnormal state includes at least one or more of the following: The pressure value P0 detected by the first pressure sensor or the pressure value P detected by the second pressure sensor does not change within a preset time; or, The difference between the pressure value P0 detected by the first pressure sensor and the pressure value P detected by the second pressure sensor is greater than the second preset pressure value P2; or, A calculated value calculated based on the measured value mass detected by the mass flow meter, the volume V of the test container and the pressure value P detected by the second pressure sensor is smaller than the theoretical value, the calculated value=P×V / mass; or, The controller receives a power-off signal fed back by the first pressure sensor or the second pressure sensor.

13. The testing method according to claim 10, characterized in that: The controller performing a pressurizing operation on the test container according to the execution instruction includes: Controlling the second pneumatic valve to open, and ensuring that the second pneumatic valve is in an open state; It is determined that the pressure value P detected by the second pressure sensor is equal to the third preset pressure value P3, and the second pneumatic valve is controlled to be closed.

14. A computer storage medium, characterized in that: The method comprises a memory and a processor, wherein the memory is suitable for storing computer instructions, and the processor is suitable for executing the testing method according to any one of claims 10 to 13 when running the computer instructions.

15. A computer program product, characterized in that The invention comprises a computer program / instruction, which implements the testing method according to any one of claims 10 to 13 when executed by a processor.

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