Air tightness detection system and detection method, and locomotive

Abstract

The invention provides an air tightness detection system, a detection method and a locomotive, and relates to the technical field of locomotive detection. The air tightness detection system comprises a to-be-detected assembly, an air source assembly, a test assembly and a control assembly. The gas source assembly is used for providing a detection medium for the to-be-detected assembly; the testing assembly comprises a first valve body, a flow part and an external assembly which are connected in sequence, the first valve body is connected with the air source assembly, a first pressure part is connected between the flow part and the external assembly, the external assembly is in sealed connection with the to-be-detected assembly, the first pressure part is used for collecting pressure information, and the flow part is used for collecting flow information; the first valve body is used for regulating and controlling a detection medium introduced into the to-be-detected component; the first pressure part, the first valve body and the flow part are connected with the control assembly, and the control assembly is used for regulating and controlling the first valve body and receiving and analyzing pressure information and flow information in real time. The air tightness detection system provided by the invention can realize the automatic detection of the air tightness of the locomotive, and can improve the detection efficiency and reliability.

Description

Technical Field

[0001] The present disclosure relates to the technical field of locomotive detection, and in particular, to an airtightness detection system and detection method, and a locomotive. Background Art

[0002] The locomotive air source system is an indispensable part of the locomotive operation. It is responsible for providing stable, dry and clean compressed air. Compressed air can be one of the braking sources of electric locomotives. Electric locomotives can use compressed air to push corresponding components to achieve the braking function. The air source system usually includes a main air cylinder for storing pressurized air, which can supply air to the pipeline system; connecting pipelines used to form the physical connection of the air source system, which can ensure that the compressed air can be effectively delivered to various parts of the locomotive; spare connecting pipelines used to ensure the smooth flow of connecting pipelines, which can form new compressed air circulation channels when the connecting pipelines are damaged to ensure the normal circulation of compressed air. The tightness of the air source system is one of the important indicators for considering the reliability and safety of locomotive operation.

[0003] At present, the commonly used method for detecting locomotive air tightness is usually achieved through manual measurement. This detection method is inefficient and inaccurate, and is easily affected by external environmental factors.

[0004] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0005] In view of this, an air tightness detection system and detection method, and a locomotive are provided, which can provide a system for automatically detecting the air tightness of a locomotive, thereby improving the detection efficiency, accuracy and detection reliability.

[0006] Other features and advantages of the present disclosure will become apparent from the following detailed description, or may be learned in part by the practice of the present disclosure.

[0007] According to one aspect of the present disclosure, there is provided an airtightness detection system for a locomotive, the detection system comprising:

[0008] The component to be tested includes a connected main air cylinder and connecting pipelines;

[0009] An air source component, the air source component is used to provide a detection medium for the component to be detected;

[0010] A test assembly, the test assembly comprises a first valve body, a flow portion and an external assembly connected in sequence, the first valve body is connected to the air source assembly, a first pressure portion is connected between the flow portion and the external assembly, the external assembly is sealed and connected to the assembly to be tested, the first pressure portion is used to collect pressure information of the assembly to be tested, the flow portion is used to collect flow information of the assembly to be tested, and the first valve body is used to regulate the test medium passing into the assembly to be tested;

[0011] A control component, wherein the first pressure part, the first valve body and the flow part are respectively connected to the control component, and the control component is used to regulate the first valve body, and receive and analyze the pressure information and the flow information in real time.

[0012] In an exemplary embodiment of the present disclosure, the first pressure unit includes a first pressure gauge and a second pressure gauge, the first pressure gauge is connected to the main air cylinder through the external component, the second pressure gauge is connected to the connecting pipeline through the external component, and the first pressure gauge and the second pressure gauge are respectively connected to the control component, the first pressure gauge is used to collect pressure information of the main air cylinder, and the second pressure gauge is used to collect pressure information of the connecting pipeline.

[0013] In an exemplary embodiment of the present disclosure, the test assembly further includes a second pressure portion, one end of the second pressure portion is connected between the first valve body and the air source assembly, and the other end of the second pressure portion is connected to the control assembly.

[0014] In an exemplary embodiment of the present disclosure, the air source assembly includes an air source and a second valve body, the air source is used to provide the detection medium, and the detection medium is compressed through the second valve body so that the detection medium is compressed to a preset pressure.

[0015] In an exemplary embodiment of the present disclosure, the air source assembly further includes an air storage cylinder, one end of which is connected to the second valve body, and the other end of which is connected to the first valve body, and the air storage cylinder is used to store the compressed detection medium.

[0016] In an exemplary embodiment of the present disclosure, the system further includes a human-computer interaction component, which is connected to the control component, and the human-computer interaction component is used to receive external manipulation information and transmit the external manipulation information to the test component.

[0017] In an exemplary embodiment of the present disclosure, the system further includes a storage component, which is connected to the test component, and the storage component is used to store and analyze the pressure information and the flow information collected by the test component.

[0018] According to another aspect of the present disclosure, an airtightness detection method is provided. Using the above detection system, the detection method includes:

[0019] Establishing a sealed connection between the component to be detected and the test component through the external component;

[0020] Filling the component to be detected with the detection medium through the gas source component;

[0021] collecting pressure information of the first pressure part in real time;

[0022] Within a preset time period, the pressure information is compared with a first preset pressure threshold in real time. If the pressure information exceeds the first preset pressure threshold, it is determined that the component to be detected has a leak point.

[0023] In an exemplary embodiment of the present disclosure, the system includes a second pressure unit, and the step of filling the component to be detected with a detection medium through the air source component includes:

[0024] collecting pressure information of the second pressure part in real time, and calculating the pressure value in the component to be detected according to the pressure information of the second pressure part;

[0025] The pressure value is compared with a second preset pressure threshold, and if the pressure value is within the second preset pressure threshold, the detection medium passage of the air source component is cut off.

[0026] According to another aspect of the present disclosure, a locomotive is provided, the locomotive comprising the above-mentioned airtightness detection system.

[0027] The air tightness detection system provided by the present invention charges the detection medium into the component to be detected through the air source component so that a preset pressure value is reached in the component to be detected. The test component is connected to the component to be detected, and the test component collects pressure information on the component to be detected in real time. The collected pressure information is analyzed in real time through the control component, thereby realizing automatic collection and analysis of locomotive air tightness detection data, avoiding interference from human factors, improving the efficiency and accuracy of locomotive air tightness detection, and improving the reliability and safety of subsequent operation of the locomotive. The system can realize air tightness detection of the locomotive before operation and air tightness detection during operation, and the system has the versatility of air tightness detection.

[0028] The airtightness detection method provided by the present invention collects pressure information in real time by using the above-mentioned system, and compares the pressure information with the first preset pressure threshold in real time within a preset time period to determine the airtightness of the component to be detected. This method can realize real-time automatic detection of the airtightness of the component to be detected, and the method has high accuracy and reliability and is universal for airtightness detection.

[0029] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the specification are used to explain the principles of the present disclosure. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0031] Figure 1 It is a schematic structural diagram of an airtightness detection system in an exemplary embodiment of the present disclosure.

[0032] Figure 2 It is a schematic structural diagram of an air source component in an exemplary embodiment of the present disclosure.

[0033] Figure 3 It is a schematic diagram of the structure of a test component in an exemplary embodiment of the present disclosure.

[0034] Figure 4 It is a schematic diagram of the partial structure of an airtightness detection system in an exemplary embodiment of the present disclosure.

[0035] Figure 5 It is a schematic structural diagram of another airtightness detection system in an exemplary embodiment of the present disclosure.

[0036] Figure 6 The present invention is a flowchart of an airtightness detection method in an exemplary embodiment of the present invention.

[0037] The reference numerals are described as follows:

[0038] 100. Component to be tested; 110. Main air cylinder; 120. Connecting pipeline; 200. Air source component; 210. Air source; 220. Second valve body; 230. Air storage cylinder; 300. Test component; 310. First valve body; 320. Flow unit; 330. External component; 331. First external interface; 332. Second external interface; 340. First pressure unit; 341. First pressure gauge; 342. Second pressure gauge; 350. Second pressure unit; 400. Control component; 500. Human-computer interaction component; 600. Storage component. DETAILED DESCRIPTION

[0039] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present disclosure will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their detailed description will be omitted. In addition, the drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale.

[0040] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of the illustration to another component, these terms are used in this specification only for convenience, such as according to the orientation of the examples described in the drawings. It is understood that if the device of the illustration is turned upside down, the component described as "upper" will become the component "lower". When a structure is "on" other structures, it may mean that the structure is formed integrally on the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure through another structure.

[0041] The terms "a", "an", "the", "said" and "at least one" are used to indicate the presence of one or more elements / components / etc.; the terms "including" and "having" are used to express an open-ended inclusive meaning and mean that additional elements / components / etc. may exist in addition to the listed elements / components / etc.; the terms "first", "second" and "third" etc. are used merely as labels and are not intended to limit the quantity of their objects.

[0042] In the related art, the braking source of electric locomotives includes compressed air energy, and the generation of compressed air energy is usually formed by compressing the air source through a compressor main unit and other components. At the same time, in order to allow the compressed air energy to reach different components of the locomotive, connecting pipes are usually used to transport the compressed air. Therefore, the sealing performance of the connecting pipes and other components in the locomotive determines the effectiveness of the locomotive braking.

[0043] At present, the existing locomotive compressed air leakage detection is achieved manually, and the measurement results are affected and limited by many factors, such as the detection environment, locomotive operating conditions, etc., resulting in low measurement efficiency, and even the inability to achieve air tightness detection during operation. In addition, the measurement results obtained manually are usually single analysis and records, which cannot realize system storage and real-time and accurate analysis of measurement data, and cannot form automated detection.

[0044] Based on this, the embodiment of the present disclosure provides an airtightness detection system for a locomotive, such as Figure 1 As shown, combined Figure 5The system includes: a component to be detected 100, an air source component 200, a test component 300 and a control component 400.

[0045] Among them, the component to be detected 100 includes a connected main air cylinder 110 and a connecting pipeline 120; the air source component 200 is used to provide a detection medium for the component to be detected 100; the test component 300 includes a first valve body 310, a flow part 320 and an external component 330 connected in sequence, the first valve body 310 is connected to the air source component 200, a first pressure part 340 is connected between the flow part 320 and the external component 330, the external component 330 is sealed and connected to the component to be detected 100, the first pressure part 340 is used to collect pressure information of the component to be detected 100, the flow part 320 is used to collect flow information of the component to be detected 100, and the first valve body 310 is used to regulate the detection medium passing into the component to be detected 100; the first pressure part 340, the first valve body 310 and the flow part 320 are respectively connected to the control component 400, and the control component 400 is used to regulate the first valve body 310, and receive and analyze the pressure information and flow information in real time.

[0046] The air tightness detection system provided by the present invention charges the detection medium into the detection component 100 through the air source component 200 so that the preset pressure value is reached in the detection component 100, and is connected to the detection component 100 through the test component 300. The test component 300 collects the pressure information on the detection component 100 in real time, and analyzes the collected pressure information in real time through the control component 400, thereby realizing the automatic collection and analysis of the locomotive air tightness detection data, avoiding the interference of human factors, improving the efficiency and accuracy of the locomotive air tightness detection, and improving the reliability and safety of the subsequent operation of the locomotive. The system can realize the air tightness detection of the locomotive before operation and the air tightness detection during operation, and the system has the versatility of air tightness detection.

[0047] The following will describe in detail the various parts of the airtightness detection system provided by the embodiment of the present disclosure in conjunction with the accompanying drawings:

[0048] In the embodiment provided in the present disclosure, the component to be detected 100 may be a wind source 210 system on a locomotive, specifically, Figure 4 As shown, the component to be tested 100 may include a main air cylinder 110 and a connecting pipeline 120. The connecting pipeline 120 may include various types of pipeline structures such as train pipes, spare train pipes, and equalizing pipes. The component to be tested 100 may include various pipeline structures necessary for locomotive operation, and provide a circulation channel for compressed gas in the locomotive through the connecting pipeline 120. Of course, the connecting pipeline 120 provided in the present disclosure also includes other types of pipelines that are not listed and are necessary for locomotive operation, which are not listed here one by one, but it should be understood that the present disclosure includes but is not limited to the above-mentioned types of pipelines.

[0049] The detection system is usually used to detect the connected main air cylinder 110 and the connecting pipeline 120, so as to detect the air tightness of the main air cylinder 110 and the connecting pipeline 120 at the same time, and to detect the air tightness of the connection position between the main air cylinder 110 and the connecting pipeline 120 at the same time, so as to ensure that the air tightness of each part is detected, and improve the reliability of the air tightness detection. However, the detection system provided by the present disclosure can also detect the main air cylinder 110 and the connecting pipeline 120 separately, and can also detect part of the connecting pipeline 120 according to the needs, so as to further perform air tightness detection according to the needs, and improve the versatility of the system.

[0050] In the embodiments provided in the present disclosure, Figure 2 As shown, combined Figure 1 and Figure 5 The detection system includes an air source component 200, and the air source component 200 is used to provide a detection medium for the component to be detected 100. The detection medium can be air or compressed air.

[0051] like Figure 2 As shown, the air source assembly 200 includes an air source 210, a second valve body 220 and an air storage cylinder 230 connected in sequence. The air source 210 can be an external air source, such as a blower or other equipment. The second valve body 220 can be a mechanical structure with a conducting and cutting-off function, such as a solenoid valve. The second valve body 220 can be connected to the control assembly 400, and the opening and closing of the second valve body 220 can be controlled by the control assembly 400, or the second valve body 220 can be controlled by manual control. Through the control of the second valve body 220, the gas provided by the air source 210 can be compressed to increase the pressure of the gas, thereby increasing the detection medium for the subsequent air tightness detection of the component 100 to be detected.

[0052] like Figure 5 As shown, the air storage cylinder 230 in the air source component 200 can be connected between the second valve body 220 and the first valve body 310. The detection medium compressed by the second valve body 220 can be stored in the air storage cylinder 230 to store compressed gas for the subsequent air tightness detection of the component 100 to be detected. When the pressure of the medium to be detected reaches a predetermined value, the compressed detection medium stored in the air storage cylinder 230 can be introduced into the component to be detected 100 to ensure the pressure of the detection medium.

[0053] In the present disclosure, the air source component 200 is generally used to inflate components that require air tightness testing, such as the locomotive main air cylinder 110 and the connecting pipeline 120 on the production line or during later maintenance, with exogenous gas. During the operation of the locomotive, the locomotive's own air source 210 system has already inflated the locomotive's main air cylinder 110 and the connecting pipeline 120 and other structures, so there is no need for the air source component 200 to inflate the locomotive again. In this case, the test component 300 can be directly used for air tightness testing.

[0054] In the embodiments provided in the present disclosure, Figure 3 As shown, combined Figure 1 and Figure 5 The detection system includes a test component 300, and the test component 300 includes a first pressure part 340, a first valve body 310, a flow part 320 and an external component 330, wherein the first valve body 310, the flow part 320 and the external component 330 are connected in sequence.

[0055] Among them, Figure 1 As shown, the first valve body 310 is connected to the gas source component 200, and the first valve body 310 is used to regulate the detection medium passed into the component to be detected 100. For example, the first valve body 310 can be a valve body structure with on and off functions such as a solenoid valve. Since the component to be detected 100 needs to be fed with a detection medium of a predetermined pressure, it is necessary to monitor the flow rate of the detection medium passing into the component to be detected 100. When the pressure in the component to be detected 100 reaches a predetermined working pressure, the detection medium can be cut off by the cut-off effect of the first valve body 310. When the component to be detected 100 needs to have the detection medium passed again, the detection medium can be continued to be filled into the component to be detected 100 by conducting the first valve body 310, so as to achieve the purpose of controlling the flow rate of the detection medium. Among them, the first valve body 310 can be connected to the control component 400, and the automatic control function of the first valve body 310 can be realized through the control component 400, so as to realize the automation of the on and off of the first valve body 310. Of course, the first valve body 310 can also be manually controlled to achieve its conduction and cutoff.

[0056] Among them, Figure 1 and Figure 5As shown, the two ends of the flow portion 320 are connected to the first valve body 310 and the external component 330 respectively, and a first pressure portion 340 is also connected between the flow portion 320 and the external component 330. The flow portion 320 can be a component with fluid flow collection and counting functions such as a flow meter. On the one hand, when the gas source component 200 is used to inflate the component 100 to be detected, the fluid flow passing through the detector of the flow portion 320 can be used to define the inflation degree of the component 100 to be detected according to the flow rate; on the other hand, when the air tightness test of the component 100 to be detected is performed, the flow information collected in real time by the flow portion 320 can be compared within a predetermined time to determine whether there is a leak in the component 100 to be detected.

[0057] For example, after the component to be detected 100 is inflated, the flow value of the component to be detected 100 at time T1 is Q1, and the flow value at time T2 is Q2. If 0≤Q1-Q2≤Q3, it can be determined that there is no leakage in the component to be detected 100, and if Q1-Q2≥Q3, it can be determined that there is leakage in the component to be detected 100. Among them, T2 and T1 are two different moments, and the difference between the two is the preset detection time period; Q3 is the preset flow threshold. In theory, the various components in the component to be detected 100 are sealed and connected, and there is no gas loss, that is, Q3=0, but in the actual structure, the component to be detected 100 may have some gas loss due to the connection relationship. Therefore, under normal circumstances, Q3>0, and the specific value of Q3 can be selected or adjusted according to the actual design requirements of the system.

[0058] In addition, the flow unit 320 is also connected to the control component 400, and the control component 400 can collect the flow information collected by the flow unit 320 in real time, and judge whether there is a leak in the component to be detected 100 according to the flow information collected in real time. In addition, when the component to be detected 100 is inflated, the control component 400 can also control the on and off of the first valve body 310 according to the flow information collected by the flow unit 320, so that the gas pressure in the component to be detected 100 reaches the preset detection pressure.

[0059] Among them, the first pressure part 340 is connected between the external component 330 and the flow part 320, and the first pressure part 340 is used to collect pressure information of the component to be detected 100. The first pressure part 340 includes at least one pressure detection component, and the pressure detection component can be a component for obtaining pressure information such as a pressure gauge. The embodiment of the present disclosure takes the first pressure part 340 as a pressure gauge as an example for explanation, but the first pressure part 340 is not limited to a pressure gauge. The number of pressure gauges set in the first pressure part 340 can correspond to the number of components to be detected in the component to be detected 100. For example, if the component to be detected 100 only includes one of the main air cylinder 110 or the connecting pipeline 120, the first pressure part 340 can include one pressure gauge; if the component to be detected 100 includes both the main air cylinder 110 and the connecting pipeline 120, the first pressure part 340 can include more than two pressure gauges.

[0060] Take the component to be tested 100 including the main air cylinder 110 and the connecting pipeline 120 connected to each other as an example. Figure 4 As shown, combined Figure 1 and Figure 5 , wherein the first pressure unit 340 may include a first pressure gauge 341 and a second pressure gauge 342, the first pressure gauge 341 is connected to the main air cylinder 110 through the external component 330, and the second pressure gauge 342 is connected to the connecting pipeline 120 through the external component 330, the first pressure gauge 341 is used to collect pressure information of the main air cylinder 110, and the second pressure gauge 342 is used to collect pressure information of the connecting pipeline 120. The first pressure gauge 341 and the second pressure gauge 342 may be connected to the external component 330 in parallel, and the pressure information of each component in the component to be detected 100 may be collected in real time through the first pressure gauge 341 and the second pressure gauge 342.

[0061] The first pressure gauge 341 is used to collect the pressure information of the main air cylinder 110 in real time, such as the pressure value at time T1' is P11, and the pressure value at time T2' is P12. If 0≤P11-P12≤P13, it can be determined that there is no leakage in the main air cylinder 110, and if P11-P12≥P13, it can be determined that there is leakage in the main air cylinder 110. Among them, T1' and T2 are two different moments, and the difference between the two is the preset detection time period; P13 is the first preset pressure threshold. In theory, the interior of the main air cylinder 110 is sealed and there is no gas loss, that is, P13=0, but in the actual structure, the sealing of the main air cylinder 110 cannot reach 100% zero leakage, and there may be some gas loss. Therefore, under normal circumstances, P13>0, and the specific value of P13 can be selected or adjusted according to the actual design requirements of the system.

[0062] The second pressure gauge 342 is used to collect the pressure information of the connecting pipeline 120 in real time, such as the pressure value at the time T1' is P21, and the pressure value at the time T2' is P22. If 0≤P21-P22≤P23, it can be determined that there is no leakage in the connecting pipeline 120, and if P21-P22≥P23, it can be determined that there is leakage in the connecting pipeline 120. Among them, T1' and T2 are two different moments, and the difference between the two is the preset detection time period; P23 is the second preset pressure threshold. In theory, the inside of the connecting pipeline 120 is sealed and there is no gas loss, that is, P23=0, but in the actual structure, the sealing of the connecting pipeline 120 cannot reach 100% zero leakage, and there may be some gas loss. Therefore, under normal circumstances, P23>0, and the specific value of P23 can be selected or adjusted according to the actual design requirements of the system.

[0063] The first pressure gauge 341 and the second pressure gauge 342 are also connected to the control component 400 respectively. The control component 400 can collect the pressure information collected in real time by the first pressure unit 340, and judge whether there is a leak in the component to be tested 100 according to the pressure information collected in real time. In addition, when performing air tightness test on the component to be tested 100, the control component 400 can also judge the air tightness of the component to be tested 100 according to the flow information collected by the flow unit 320 and the pressure information collected by the first pressure unit 340 at the same time, and improve the reliability and accuracy of air tightness test by combining multiple factors.

[0064] Similarly, when the first pressure unit 340 has two or more pressure gauges, the pressure information of each component in the component to be detected 100 can be collected in real time, and whether there is a leakage point can be determined according to a preset rule. In addition, multiple pressure gauges can be connected to the control component 400 respectively, and the control component 400 can simultaneously collect and analyze the pressure information collected by multiple pressure gauges to determine the leakage position of the component to be detected 100.

[0065] The test assembly 300 further includes external components, and the external components 330 may be a plurality of external interfaces, for example, may be one of a plurality of connection components such as a pipe clamp, a connection elbow, a flange, a fastener, etc. The number of the external components 330 may match the number of the pressure gauges in the first pressure part 340, for example, Figure 4 As shown, a first external interface 331 can be set between the main air cylinder 110 and the first pressure gauge 341, and a second external interface 332 can be set between the connecting pipeline 120 and the second pressure gauge 342. Multiple external interfaces can be connected in parallel, and the number of external interfaces in the external components can be selected or adjusted according to the actual design requirements of the system.

[0066] Among them, Figure 5As shown, the test component 300 also includes a second pressure part 350, one end of which is connected between the first valve body 310 and the gas source component 200, and the other end of the second pressure part 350 is connected to the control component 400. The second pressure part 350 can be a component for collecting pressure, such as a pressure gauge, which can use a pressure detection component that is the same as or similar to the first pressure part 340. The second pressure part 350 is connected between the first valve body 310 and the gas source component 200. When the detection medium is filled into the component to be detected 100, the pressure of the detection medium can be detected in real time through the second pressure part 350. When the detection medium filled into the component to be detected 100 reaches a preset pressure value, the control component 400 controls the first valve body 310 to be cut off through the pressure information collected by the second pressure part 350, so that the component to be detected 100 reaches the preset pressure.

[0067] In the embodiment provided by the present disclosure, the detection system also includes a control component 400, the first pressure part 340, the first valve body 310 and the flow part 320 are respectively connected to the control component 400, and the control component 400 is used to adjust the first valve body 310, and receive and analyze the pressure information and flow information in real time. Among them, the control component 400 may include an automatic control center, a power module, etc. The power module can provide the necessary power for the control component 400, or the power module can provide a backup power supply for the control component 400 when the control component 400 is powered off. The automatic control center can be a port or end of an intelligent system such as a master control or cloud platform of a locomotive, and has functions such as information collection and analysis, and provides intelligent data analysis or data integration for the detection system.

[0068] In the embodiments provided in the present disclosure, Figure 5 As shown, the detection system also includes a human-machine interaction component 500, which is connected to the control component 400. The human-machine interaction component 500 is used to receive external control information and transmit the external control information to the test component 300. Among them, the human-machine interaction component 500 can be a device or component with interactive functions such as a mobile phone, a tablet computer, a touch screen, etc. The user can obtain pressure information and flow information through the human-machine interaction component 500, so that the user can view and integrate it. In addition, the human-machine interaction component 500 can also issue operation instructions to the control component 400 or the test component 300, such as selecting the type of the component 100 to be detected. For example, the air tightness detection of the main air cylinder 110 or the air tightness detection of the connecting pipeline 120 can be selected through the human-machine interaction component 500. Of course, the human-machine interaction component 500 can also have other operations related to air tightness detection that are not listed, which will not be listed here one by one.

[0069] In the embodiments provided in the present disclosure, Figure 5As shown, the detection system also includes a storage component 600, which is connected to the test component 300 and is used to store and analyze the pressure information and flow information collected by the test component 300. The storage component 600 can be a hard disk, an optical disk, or a USB flash drive, etc., or a storage device integrated in the control component 400, such as a static random access memory, a dynamic random access memory, or a flash memory, etc. A large amount of data such as pressure information and flow information can be stored through the storage component 600, and traceable management of data can be achieved.

[0070] In addition, in order to improve the accuracy of the system's air tightness detection of the component to be detected 100, the detection system may also include multiple sensors, such as pressure sensors or temperature sensors, etc. When the component to be detected 100 is subjected to air tightness detection using the above detection system, the sensors may be installed inside the component to be detected 100, for example, sensors may be arranged at intervals on the inner wall of the connecting pipeline 120. When the system detects that the component to be detected 100 has a leak, the location of the leak may be further determined by the sensor, thereby further improving the practicality and versatility of the system.

[0071] The air tightness detection system provided by the present invention can improve the accuracy and efficiency of locomotive air tightness detection through the coordinated use of the air source component 200, the test component 300 and the control component 400, and can adapt to the needs of rapid production during the production process; at the same time, it can also be applied to air tightness detection during the operation of the locomotive, has universality, and improves the safety of the locomotive; the use of this detection system is not affected by environmental factors, and has high accuracy and reliability; this system can analyze and collect data in real time, optimizing the process of air tightness detection.

[0072] The embodiment of the present disclosure provides an airtightness detection method, using the above-mentioned airtightness detection system for a locomotive, such as Figure 6 As shown, combined Figure 1 and Figure 5 The detection method includes: step S10 to step S40.

[0073] Wherein, step S10: establishing a sealed connection between the component to be tested 100 and the test component 300 through the external component 330;

[0074] Step S20: Filling the component to be detected 100 with a detection medium through the gas source component 200;

[0075] Step S30: collecting pressure information of the first pressure part 340 in real time;

[0076] Step S40: within a preset time period, the pressure information is compared with a first preset pressure threshold in real time. If the pressure information exceeds the first preset pressure threshold, it is determined that the component to be detected 100 has a leak point.

[0077] The airtightness detection method provided by the present invention collects pressure information in real time by using the above-mentioned system, and compares the pressure information with the first preset pressure threshold in real time within a preset time period to determine the airtightness of the component 100 to be detected. This method can realize real-time automatic detection of the airtightness of the component 100 to be detected, and the method has high accuracy and reliability and is universal for airtightness detection.

[0078] In the embodiment provided in the present disclosure, the detection system includes a second pressure unit 350 , and the detection medium is filled into the component to be detected 100 through the gas source component 200 , including: steps S201 to S202 .

[0079] Wherein, step S201: collecting pressure information of the second pressure part 350 in real time, and calculating the pressure value in the component to be detected 100 according to the pressure information of the second pressure part 350;

[0080] Step S202 : comparing the pressure value with a second preset pressure threshold, and if the pressure value is within the second preset pressure threshold, cutting off the detection medium passage of the air source assembly 200 .

[0081] By testing the filling pressure of the testing medium in the component to be tested 100 by the second pressure part 350, it can be ensured that the component to be tested 100 has a preset pressure before the air tightness test, thereby providing a guarantee for the subsequent air tightness test.

[0082] The airtightness detection method provided in the present disclosure utilizes the above-mentioned airtightness detection system. The specific detection process and method are detailed in the embodiment section of the above-mentioned detection system, which will not be repeated here.

[0083] It should be noted that, although the steps of the airtightness detection method in the present disclosure are described in a specific order in the accompanying drawings, this does not require or imply that the steps must be performed in this specific order, or that all the steps shown must be performed to achieve the desired results. Additionally or alternatively, some steps may be omitted, multiple steps may be combined into one step, and / or one step may be decomposed into multiple steps, etc.

[0084] An embodiment of the present disclosure provides a locomotive, which includes the above-mentioned air tightness detection system.

[0085] The locomotive provided by the present disclosure includes an air tightness detection system, which can ensure that the locomotive has good air tightness and improve the operating reliability and safety of the locomotive.

[0086] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, which follows the general principles of the present disclosure and includes common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present disclosure are indicated by the appended claims.

Claims

1. An air tightness detection system for locomotives, characterized in that: include: The component to be tested includes a connected main air cylinder and connecting pipelines; An air source component, the air source component is used to provide a detection medium for the component to be detected; A test assembly, the test assembly comprises a first valve body, a flow portion and an external assembly connected in sequence, the first valve body is connected to the air source assembly, a first pressure portion is connected between the flow portion and the external assembly, the external assembly is sealed and connected to the assembly to be tested, the first pressure portion is used to collect pressure information of the assembly to be tested, the flow portion is used to collect flow information of the assembly to be tested, and the first valve body is used to regulate the test medium passing into the assembly to be tested; A control component, wherein the first pressure part, the first valve body and the flow part are respectively connected to the control component, and the control component is used to regulate the first valve body, and receive and analyze the pressure information and the flow information in real time.

2. The airtightness detection system according to claim 1, characterized in that: The first pressure unit includes a first pressure gauge and a second pressure gauge, the first pressure gauge is connected to the main air cylinder through the external component, the second pressure gauge is connected to the connecting pipeline through the external component, and the first pressure gauge and the second pressure gauge are respectively connected to the control component, the first pressure gauge is used to collect pressure information of the main air cylinder, and the second pressure gauge is used to collect pressure information of the connecting pipeline.

3. The airtightness detection system according to claim 1, characterized in that: The test assembly further includes a second pressure portion, one end of which is connected between the first valve body and the air source assembly, and the other end of which is connected to the control assembly.

4. The airtightness detection system according to claim 3, characterized in that: The air source assembly includes an air source and a second valve body. The air source is used to provide the detection medium. The detection medium is compressed through the second valve body so that the detection medium is compressed to a preset pressure.

5. The airtightness detection system according to claim 4, characterized in that: The air source assembly further includes an air storage cylinder, one end of which is connected to the second valve body, and the other end of which is connected to the first valve body, and the air storage cylinder is used to store the compressed detection medium.

6. The airtightness detection system according to claim 5, characterized in that: The system further comprises a human-computer interaction component, wherein the human-computer interaction component is connected to the control component, and the human-computer interaction component is used for receiving external manipulation information and transmitting the external manipulation information to the test component.

7. The airtightness detection system according to any one of claims 1 to 6, characterized in that: The system also includes a storage component, which is connected to the test component and is used to store and analyze the pressure information and the flow information collected by the test component.

8. An airtightness detection method, using the system according to any one of claims 1 to 7, characterized in that: include: Establishing a sealed connection between the component to be detected and the test component through the external component; Filling the component to be detected with the detection medium through the gas source component; collecting pressure information of the first pressure part in real time; Within a preset time period, the pressure information is compared with a first preset pressure threshold in real time. If the pressure information exceeds the first preset pressure threshold, it is determined that the component to be detected has a leak point.

9. The airtightness detection method according to claim 8, characterized in that: The system includes a second pressure unit, and the method of filling the component to be detected with a detection medium through the gas source component includes: collecting pressure information of the second pressure part in real time, and calculating the pressure value in the component to be detected according to the pressure information of the second pressure part; The pressure value is compared with a second preset pressure threshold, and if the pressure value is within the second preset pressure threshold, the detection medium passage of the air source component is cut off.

10. A locomotive, characterized in that: Comprising the airtightness detection system as described in any one of claims 1-7.

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