A detection system and device for high-voltage vacuum relay in high-voltage electric pulse application
By designing detection systems and devices, using test electrical pulses and simulated load technology, the problems of high-voltage vacuum relays are solved, and the reliability detection and life extension of high-voltage vacuum relays are achieved. Test accuracy.
Patent Information
- Application Number
- CN202411155537.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2044-08-22
AI Technical Summary
High-voltage vacuum relays are easily damaged in high-voltage electrical pulse applications, and existing manufacturers have insufficient research on this application scenario, which makes it difficult to achieve reliability detection and affect the equipment life.
Design a detection system and device, including a central control module, a display interaction module, an energy source test module and a relay performance test module, detect the high-voltage vacuum relay through test electrical pulses, determine its reliability, and identify and can Variable load simulates the impedance level of the human body for accurate detection.
Reliability detection of high-voltage vacuum relays is achieved, equipment that does not meet the requirements is eliminated, equipment life is extended, and detection accuracy is improved by simulating real-life use scenarios.
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Figure CN118731674B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of smart medical care for medical devices, and in particular to a detection system and device for a high-voltage vacuum relay in high-voltage electric pulse applications. Background Art
[0002] High-voltage electric pulses have unique advantages in tumor ablation and cardiovascular disease treatment in the medical field. Their application is becoming more and more popular. Among them, the application of high-voltage switching technology, as an important technical field, has also attracted much attention.
[0003] The application background of high-voltage vacuum relays in the field of electric pulses is mainly due to its high switching capacity, high anti-interference, long life and low maintenance cost. These characteristics enable high-voltage vacuum relays to meet the needs of electric pulse equipment for high voltage, high current, fast response and high reliability, and thus are widely used in electric pulse processing, biomedicine and scientific research. With the continuous advancement of technology and the continuous expansion of application fields, the application prospects of high-voltage vacuum relays in the field of electric pulses will be broader.
[0004] However, while showing its many advantages, high-voltage vacuum relays also expose some shortcomings. Because they are mainly designed for continuous high-voltage and high-current working scenarios, under the continuous high-intensity impact of high-voltage electric pulse circuits, the high-voltage vacuum relay's contact connection method that relies on electromagnetic force crimping exposes its shortcomings of being easily damaged. Because high-voltage electric pulses can easily spark at the contact interface with impedance changes, the interface gradually ages or even sticks, which has a great impact on the life of the relay. In addition, high-voltage relay manufacturers currently lack research on this application scenario. Reliability testing of high-voltage vacuum relays in high-voltage electric pulse switch applications is very important and urgent. Summary of the invention
[0005] In view of this, the present application provides a detection system and device for high-voltage vacuum relays in high-voltage electric pulse applications, so as to realize reliability detection of high-voltage vacuum relays in use, thereby eliminating high-voltage vacuum relays that do not meet the requirements.
[0006] In a first aspect, the present application provides a detection system for a high-voltage vacuum relay in a high-voltage electric pulse application, the system comprising a central control module, a display interaction module, an energy source test module and a relay performance test module;
[0007] The central control module is used to provide an interactive interface and a drive control circuit to other modules, receive the test parameters of the high-voltage vacuum relay to be tested sent by the relay performance test module, generate a performance test command according to the test parameters and send it to the energy source test module;
[0008] After receiving feedback information from the relay performance test module based on the performance test command, generating a test result of the high-voltage vacuum relay according to the feedback information;
[0009] The display interaction module is used to display various status information and processing results in the detection process, and provide various options that need to be selected in the user operation process, and perform corresponding processing according to the user's selection;
[0010] The energy source test module is used to determine energy parameters according to the performance test command, and generate test electrical pulses according to the energy parameters, wherein the energy parameters include voltage amplitude, pulse width, pulse frequency and number of pulse trains;
[0011] The relay performance test module is used to collect and obtain test parameters in the high-voltage vacuum relay performance test, and send the test parameters to the central control module;
[0012] The high-voltage vacuum relay is tested by the test electric pulse sent by the energy source test module, and feedback information is determined and sent to the central control module.
[0013] Optionally, the system further comprises a relay installation module;
[0014] The relay installation module comprises a mounting base of the high-voltage vacuum relay, a jack, a relay contact clamping device, a contact resistance identification circuit and a measurement processing circuit, which are used to make the contact resistance between the PIN pin of the relay and the base less than a threshold value after the relay is inserted;
[0015] The contact resistance identification circuit is used to detect the current or voltage of the target area in real time, and determine whether the high-voltage vacuum relay is inserted into the socket according to the detection result;
[0016] The measurement and processing circuit is used to determine the serial number, PIN pin and base of the plug-in socket, and detect the contact resistance of the PIN pin and the base in real time. When the contact resistance is greater than a threshold, the number of the relay contact clamping devices is increased until the contact resistance is less than the threshold.
[0017] Optionally, the system further comprises a low voltage energy source test module and a variable load module;
[0018] The low-voltage energy source test module includes a test voltage not higher than 350V and a test current not higher than 20A, and is used to test the size of the electric contact resistance of the high-voltage vacuum relay;
[0019] The variable load module includes a plurality of load resistors with different resistance values, and the load resistors form a resistor array to simulate the impedance level of various tissues of the human body;
[0020] At each impedance level, the energy source test module generates a test electric pulse according to the energy parameter, and the high-voltage vacuum relay is tested by the test electric pulse to determine the feedback information at each impedance level.
[0021] Optionally, the system further includes a system power supply module:
[0022] The system power supply module includes a line power supply system interface circuit, a safety protection circuit, a rectifier circuit, an EMC / EMI filtering protection circuit, and provides various types of power to other modules.
[0023] Optionally, providing an interactive interface and a driving control circuit to other modules includes:
[0024] Providing a communication interface and a power supply interface to the display interaction module;
[0025] Providing the energy source test module with a test energy source communication control interface and an information feedback interface;
[0026] Providing a single-channel or multi-channel high-voltage vacuum relay control drive circuit and a drive signal interface to the relay installation module;
[0027] Providing a communication interface, a feedback signal isolation interface and a feedback signal processing circuit to the relay performance test module;
[0028] A control drive circuit and a communication interface are provided to the variable load module.
[0029] A second aspect of the present application provides a detection device for a high-voltage vacuum relay in a high-voltage electric pulse application, the device comprising:
[0030] A test parameter acquisition unit, used to acquire test parameters in the high-voltage vacuum relay performance test and send the test parameters to a central control module;
[0031] A test command generating unit, used for receiving the test parameters of the high-voltage vacuum relay to be tested sent by the relay performance testing module, generating a performance test command according to the test parameters and sending it to the energy source testing module;
[0032] A test electric pulse generating unit, used for determining energy parameters according to the performance test command, and generating a test electric pulse according to the energy parameters, wherein the energy parameters include voltage amplitude, pulse width, pulse frequency and number of pulse trains;
[0033] A feedback information sending unit detects the high-voltage vacuum relay through a test electric pulse sent by an energy source test module, determines feedback information and sends it to a central control module;
[0034] The detection result generating unit is used for receiving the feedback information of the relay performance testing module based on the performance testing command, and generating the detection result of the high-voltage vacuum relay according to the feedback information.
[0035] Optionally, the device further comprises:
[0036] A relay installation unit, used to detect the current or voltage of the target area in real time through a contact resistance identification circuit, and determine whether the high-voltage vacuum relay is inserted into the socket according to the detection result;
[0037] The serial number, PIN pin and base of the plug-in socket are determined by the measurement processing circuit, and the contact resistance of the PIN pin and the base is detected in real time. When the contact resistance is greater than a threshold, the number of the relay contact clamping devices is increased until the contact resistance is less than the threshold.
[0038] Optionally, the device further comprises:
[0039] A low-voltage energy source test unit, used to test the size of the electric contact resistance of the high-voltage vacuum relay through a test voltage not higher than 350V and a test current not greater than 20A;
[0040] A variable load unit is used to simulate the impedance level of various tissues of the human body through a resistor array composed of several load resistors with different resistance values;
[0041] At each impedance level, the energy source test module generates a test electric pulse according to the energy parameter, and the high-voltage vacuum relay is tested by the test electric pulse to determine the feedback information at each impedance level.
[0042] Optionally, the device further comprises:
[0043] The power supply unit is used to provide various types of power to other modules.
[0044] In the embodiment provided by the present application, the relay performance test module collects test parameters, the central control module generates a performance test command through the test parameters and sends it to the energy source test module, the energy source test module determines the energy parameters through the command and generates the corresponding test electric pulse, and then tests the high-voltage vacuum relay through the test electric pulse to determine whether the high-voltage vacuum relay meets the requirements. This realizes the reliability detection of the high-voltage vacuum relay in use, so as to eliminate the high-voltage vacuum relay that does not meet the requirements.
[0045] Furthermore, the embodiments provided in the present application can also simulate the impedance levels of various tissues of the human body by forming a resistor array through load resistors during the test process, so that the high-voltage vacuum relay can simulate the actual usage scenario for detection, thereby making the detection result more accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0046] Figure 1 A system module diagram provided for an embodiment of the present application;
[0047] Figure 2 A structural diagram of a device provided in an embodiment of the present application;
[0048] Figure 3 A schematic diagram of the internal structure of a computer device provided in an embodiment of the present application. DETAILED DESCRIPTION
[0049] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.
[0050] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The singular forms of "a", "said" and "the" used in this application and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.
[0051] It should be understood that although the terms first, second, third, etc. may be used in the present application to describe various information, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".
[0052] The present application provides a detection system for a high-voltage vacuum relay in a high-voltage electric pulse application, so as to perform reliability detection on the high-voltage vacuum relay in use, thereby eliminating the high-voltage vacuum relay that does not meet the requirements.
[0053] The technical solution of the present application is described in detail with specific embodiments below. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
[0054] like Figure 1 As shown, it is a module diagram of a detection system of a high-voltage vacuum relay in a high-voltage electric pulse application provided by the present application, the system includes a central control module, a display interaction module, an energy source test module and a relay performance test module.
[0055] The following is an explanation of the composition and functions of each module:
[0056] 1. Central control module. It is used to provide an interactive interface and a drive control circuit to other modules, and receive the test parameters of the high-voltage vacuum relay to be tested sent by the relay performance test module. In this embodiment, the test parameters may include data such as the pull-in voltage, the release voltage, the contact resistance of the contacts, the bounce time, and the conversion time. The pull-in voltage and the release voltage can be determined by the pulse method, and can be determined by the four-wire Kelvin test method. The bounce time and the conversion time can be determined by instruments such as timers and sensors. After determining the test parameters, the test parameters and the instructions for instructing the energy source test module to generate electrical pulses are encapsulated into a performance test command, and then the performance test command is sent to the energy source test module.
[0057] After receiving the feedback information of the relay performance test module based on the performance test command, the detection result of the high-voltage vacuum relay is generated according to the feedback information.
[0058] In this embodiment, the feedback information includes information such as on-off impedance, on-off voltage, and on-off current. The on-off impedance, on-off voltage, and on-off current of the equipment when the equipment is aged can be determined based on the historical data of the equipment of the same model as the high-voltage vacuum relay, so as to set a threshold for each data. When a data in the information such as the interruption impedance, on-off voltage, and on-off current of the feedback information reaches the threshold of the data, it is determined that the high-voltage vacuum relay has aged and is determined as a device that does not meet the requirements.
[0059] In another embodiment, providing an interactive interface and a driving control circuit to other modules includes: providing a communication interface and a power supply interface to the display interaction module;
[0060] Providing the energy source test module with a test energy source communication control interface and an information feedback interface;
[0061] Providing a single-channel or multi-channel high-voltage vacuum relay control drive circuit and a drive signal interface to the relay installation module;
[0062] Providing a communication interface, a feedback signal isolation interface and a feedback signal processing circuit to the relay performance test module;
[0063] A control drive circuit and a communication interface are provided to the variable load module.
[0064] 2. Display interaction module: This module is used to display various status information and processing results during the detection process, and provides various options that the user needs to select in the operation process, and performs corresponding processing according to the user's selection.
[0065] In this embodiment, the module may be composed of a touch display screen or a non-touch display screen plus a mouse plus a keyboard.
[0066] The various status information and processing results during the detection process include the workflow or status of the equipment during operation, the progress of the test parameters of the tested relay, and the test results. The workflow during operation includes the flowchart of the test verification and the step selection or confirmation. The working status of the equipment includes but is not limited to whether it is abnormal, the abnormal indicators and the corresponding processing prompt information. The progress display of the test parameters of the tested relay includes the parameters of the tested relay that have been tested and the test parameters that are still in progress, as well as the status of the test passing or the status of the test abnormality.
[0067] The various options that need to be selected in the user operation process include the selection of the state of the equipment during operation, the selection of the reliability test source, the selection of the number and serial number of the relays to be tested, saving and retrieving, etc. Exemplarily, the selection of the reliability test source includes manual and automatic modes. In the automatic mode, after the high-voltage energy source reliability test is completed, the low-voltage energy source will be automatically selected to test the performance indicators of the selected template for the selected device and complete the report; the manual mode is to manually select some urgently needed individual performance indicators to perform tests and verifications in the low-voltage energy source mode, and output the required measurement results and reports. The selection of the number and serial number of the relay parameters to be tested, according to the actual number and serial number installed, select a part of them for testing or select all of them for testing.
[0068] 3. Energy source test module: This module is used to determine energy parameters according to the performance test command and generate test electrical pulses according to the energy parameters, wherein the energy parameters include voltage amplitude, pulse width, pulse frequency and number of pulse trains.
[0069] In this embodiment, the performance test command includes test parameters and instructions for instructing the energy source test module to generate an electric pulse. When this module receives the performance test command, it determines to generate a test electric pulse, and the energy parameters for generating the electric pulse are determined by the test parameters. Multiple groups of different energy parameters can be set in advance, and then the corresponding test parameters are matched for each group of energy parameters. Through this method, this module can automatically generate the corresponding test electric pulse upon receiving the performance test command.
[0070] In this embodiment, the voltage amplitude may include a single-phase pulse amplitude range, specifically ranging from 500V to 5KV; it may also include a bi-phase pulse amplitude range, specifically ranging from 1000V to 10KV, and different voltage amplitude ranges are set according to the type of electric pulse. The pulse width range is 200 nanoseconds to 100 microseconds, the pulse frequency range is 1Hz to 500KHz, the number of pulse trains ranges from 1 to 1000, and the number of pulses contained in each pulse train ranges from 1 to 150.
[0071] 4. Relay performance test module: This module is used to collect and obtain the test parameters in the high-voltage vacuum relay performance test and send the test parameters to the central control module.
[0072] The high-voltage vacuum relay is tested by the test electric pulse sent by the energy source test module, and feedback information is determined and sent to the central control module.
[0073] In this embodiment, the test parameters may include data such as the pull-in voltage, the release voltage, the contact resistance of the contact point, the bounce time, the switching time, etc. The specific determination process has been described above and will not be repeated here. In the process of detecting the high-voltage vacuum relay by the test electric pulse, the contact impedance, the on-off voltage and the on-off current and other information are determined by the limit value of a single parameter such as the voltage amplitude, the pulse width, the number, or the combined limit value of several parameters. The above information is determined as feedback information and sent to the central control module.
[0074] So far, completed Figure 1 Description of the system modules shown.
[0075] In the above embodiment, the relay performance test module collects test parameters, the central control module generates a performance test command based on the test parameters and sends it to the energy source test module, the energy source test module determines the energy parameters through the command and generates a corresponding test electric pulse, and then tests the high-voltage vacuum relay through the test electric pulse to determine whether the high-voltage vacuum relay meets the requirements. This realizes the reliability detection of the high-voltage vacuum relay in use, so as to eliminate the high-voltage vacuum relay that does not meet the requirements.
[0076] In another embodiment, the system further comprises a relay installation module;
[0077] The relay installation module comprises a mounting base of the high-voltage vacuum relay, a jack, a relay contact clamping device, a contact resistance identification circuit and a measurement processing circuit, which are used to make the contact resistance between the PIN pin of the relay and the base less than a threshold value after the relay is inserted;
[0078] The contact resistance identification circuit is used to detect the current or voltage of the target area in real time, and determine whether the high-voltage vacuum relay is inserted into the socket according to the detection result;
[0079] The measurement and processing circuit is used to determine the serial number, PIN pin and base of the plug-in socket, and detect the contact resistance of the PIN pin and the base in real time. When the contact resistance is greater than a threshold, the number of the relay contact clamping devices is increased until the contact resistance is less than the threshold.
[0080] In this embodiment, the threshold of the contact resistance can be set to 0.05Ω. Through this module, a corresponding number of high-voltage vacuum relays can be installed for testing according to demand.
[0081] In another embodiment, the system further comprises a low voltage energy source test module and a variable load module;
[0082] The low-voltage energy source test module includes a test voltage not higher than 350V and a test current not higher than 20A, and is used to test the size of the electric contact resistance of the high-voltage vacuum relay;
[0083] The variable load module includes a plurality of load resistors with different resistance values, and the load resistors form a resistor array to simulate the impedance level of various tissues of the human body;
[0084] At each impedance level, the energy source test module generates a test electric pulse according to the energy parameters, and the high-voltage vacuum relay is detected by the test electric pulse to determine the feedback information at each impedance level. The load resistance selection includes a plurality of high-voltage carbon film resistor array combinations in the range of 10Ω, 20Ω, 30Ω, 50Ω, 60Ω, 80Ω, 100Ω to 1KΩ.
[0085] The drive control interface provided by this module includes common interfaces such as universal serial port COM, RS232, RS485 or optical fiber isolated communication port. The drive circuit includes the switching switch drive circuit of the electronic load, such as the power IGBT drive circuit, the power MOS tube or the power thyristor and other solid switch drive circuit. Through the above interface and circuit, the adverse effect of the large contact resistance of the relay switch in the high-voltage electric pulse application scenario can be eliminated. Or through the manual nut and stud crimping method, it can ensure that the contact resistance of the load is reliable and firm, and the contact resistance is less than 0.05Ω, so as to avoid sparking and oxidation here during the transmission of a large number of high-voltage electric pulses, which will increase the contact resistance.
[0086] In this embodiment, during the test process, a resistance array composed of load resistors can be used to simulate the impedance level of various tissues of the human body, so that the high-voltage vacuum relay can simulate the actual usage scenario for detection, thereby making the detection result more accurate.
[0087] In another embodiment, the system further comprises a system power supply module:
[0088] The system power supply module includes a line power supply system interface circuit, a safety protection circuit, a rectifier circuit, an EMC / EMI filtering protection circuit, and provides various types of power to other modules.
[0089] In this embodiment, the power supply system interface circuit is responsible for connecting the external power supply to the system and providing a stable and reliable power supply. It usually includes a power switch and necessary protection components, such as a fuse or an overcurrent protection circuit, to prevent abnormal power input from damaging the system. The safety protection circuit is used to meet the safety specification requirements of electrical equipment, and usually includes overcurrent protection, overvoltage protection, short circuit protection, etc. These protection measures ensure that both the equipment and the user are protected in abnormal situations, such as power fluctuations or load changes. The rectifier circuit converts the alternating current (AC) input voltage into a direct current (DC) voltage. This is usually achieved by using a bridge rectifier or other types of rectifier devices to provide the required DC power for subsequent circuits. EMC (electromagnetic compatibility) and EMI (electromagnetic interference) filtering protection circuits are used to reduce the electromagnetic interference generated by the power module and protect the module from external electromagnetic interference. These circuits usually include common mode and differential mode filters, using components such as inductors and capacitors to filter out interference of different frequencies. Through the combined effect of these circuits, this module can provide a stable, safe and electromagnetic compatibility-compliant power supply, ensure reliable operation of the system and reduce electromagnetic interference to other devices.
[0090] The present application also provides a detection device for a high-voltage vacuum relay in a high-voltage electric pulse application, such as Figure 2 As shown, the device comprises:
[0091] A test parameter acquisition unit 201 is used to acquire test parameters in a high-voltage vacuum relay performance test and send the test parameters to a central control module;
[0092] A test command generating unit 202 is used to receive the test parameters of the high-voltage vacuum relay to be tested sent by the relay performance testing module, generate a performance test command according to the test parameters and send it to the energy source testing module;
[0093] A test electric pulse generating unit 203, used to determine energy parameters according to the performance test command, and generate a test electric pulse according to the energy parameters, wherein the energy parameters include voltage amplitude, pulse width, pulse frequency and number of pulse trains;
[0094] A feedback information sending unit 204 detects the high-voltage vacuum relay through a test electric pulse sent by an energy source test module, determines feedback information and sends it to a central control module;
[0095] The detection result generating unit 205 is used for receiving the feedback information of the relay performance test module based on the performance test command, and generating the detection result of the high-voltage vacuum relay according to the feedback information.
[0096] In another embodiment, the apparatus further comprises:
[0097] The relay installation unit 206 is used to detect the current or voltage of the target area in real time through the contact resistance identification circuit, and determine whether the high-voltage vacuum relay is inserted into the socket according to the detection result;
[0098] The serial number, PIN pin and base of the plug-in socket are determined by the measurement processing circuit, and the contact resistance of the PIN pin and the base is detected in real time. When the contact resistance is greater than a threshold, the number of the relay contact clamping devices is increased until the contact resistance is less than the threshold.
[0099] In another embodiment, the apparatus further comprises:
[0100] A low-voltage energy source test unit 207, used to test the size of the electric contact resistance of the high-voltage vacuum relay by a test voltage not higher than 350V and a test current not higher than 20A;
[0101] A variable load unit 208, used to simulate the impedance level of various tissues of the human body through a resistor array composed of a plurality of load resistors with different resistance values;
[0102] At each impedance level, the energy source test module generates a test electric pulse according to the energy parameter, and the high-voltage vacuum relay is tested by the test electric pulse to determine the feedback information at each impedance level.
[0103] In another embodiment, the apparatus further comprises:
[0104] The power supply unit 209 is used to provide various types of power to other modules.
[0105] The above embodiment of the present invention provides a detection system for high-voltage vacuum relays in high-voltage electric pulse applications, and based on the system provides a detection device for high-voltage vacuum relays in high-voltage electric pulse applications. Through the above system and device, reliability detection of high-voltage vacuum relays in use is achieved, so that high-voltage vacuum relays that do not meet the requirements are eliminated.
[0106] This embodiment also discloses a computer device, such as Figure 3 As shown, the computer device includes a processor and a memory, wherein the memory stores at least one instruction, and the at least one instruction is loaded and executed by the processor to implement the function of any of the above-mentioned detection systems for high-voltage vacuum relays in high-voltage electric pulse applications.
[0107] In addition, in the implementation of the detection device of the high-voltage vacuum relay in the high-voltage electric pulse application in the above-mentioned example, the logical division of each program module is only an example. In actual application, the above-mentioned functions can be assigned to different program modules as needed, for example, for the configuration requirements of the corresponding hardware or the convenience of software implementation. That is, the internal structure of the detection device of the high-voltage vacuum relay in the high-voltage electric pulse application is divided into different program modules to complete all or part of the functions described above.
[0108] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.
Claims
1. A detection system for a high-voltage vacuum relay in a high-voltage electric pulse application, characterized in that: The system includes a central control module, a display interaction module, an energy source test module, a relay performance test module and a relay installation module; The central control module is used to provide an interactive interface and a drive control circuit to other modules, receive the test parameters of the high-voltage vacuum relay to be tested sent by the relay performance test module, generate a performance test command according to the test parameters and send it to the energy source test module; After receiving feedback information from the relay performance test module based on the performance test command, generating a test result of the high-voltage vacuum relay according to the feedback information; The display interaction module is used to display various status information and processing results in the detection process, and provide various options that need to be selected in the user operation process, and perform corresponding processing according to the user's selection; The energy source test module is used to determine energy parameters according to the performance test command, and generate test electrical pulses according to the energy parameters, wherein the energy parameters include voltage amplitude, pulse width, pulse frequency and number of pulse trains; The relay performance test module is used to collect and obtain test parameters in the high-voltage vacuum relay performance test, and send the test parameters to the central control module; The high-voltage vacuum relay is tested by the test electric pulse sent by the energy source test module, feedback information is determined and sent to the central control module; The relay installation module comprises a mounting base of the high-voltage vacuum relay, a jack, a relay contact clamping device, a contact resistance identification circuit and a measurement processing circuit, which are used to make the contact resistance between the PIN pin of the relay and the base less than a threshold value after the relay is inserted; The contact resistance identification circuit is used to detect the current or voltage of the target area in real time, and determine whether the high-voltage vacuum relay is inserted into the socket according to the detection result; The measurement and processing circuit is used to determine the serial number, PIN pin and base of the plug-in socket, and detect the contact resistance of the PIN pin and the base in real time. When the contact resistance is greater than a threshold, the number of the relay contact clamping devices is increased until the contact resistance is less than the threshold.
2. The system according to claim 1, characterized in that The system also includes a low voltage energy source test module and a variable load module; The low-voltage energy source test module includes a test voltage not higher than 350V and a test current not higher than 20A, and is used to test the size of the electric contact resistance of the high-voltage vacuum relay; The variable load module includes a plurality of load resistors with different resistance values, and the load resistors form a resistor array to simulate the impedance level of various tissues of the human body; At each impedance level, the energy source test module generates a test electric pulse according to the energy parameter, and the high-voltage vacuum relay is tested by the test electric pulse to determine the feedback information at each impedance level.
3. The system according to claim 1, characterized in that The system further comprises a system power supply module: The system power supply module includes a line power supply system interface circuit, a safety protection circuit, a rectifier circuit, an EMC / EMI filtering protection circuit, and provides various types of power to other modules.
4. The system according to claim 2, characterized in that The providing of interactive interfaces and driving control circuits to other modules includes: Providing a communication interface and a power supply interface to the display interaction module; Providing the energy source test module with a test energy source communication control interface and an information feedback interface; Providing a single-channel or multi-channel high-voltage vacuum relay control drive circuit and a drive signal interface to the relay installation module; Providing a communication interface, a feedback signal isolation interface and a feedback signal processing circuit to the relay performance test module; A control drive circuit and a communication interface are provided to the variable load module.
5. A detection device for a high-voltage vacuum relay in a high-voltage electric pulse application, characterized in that: The device comprises: A test parameter acquisition unit, used to acquire test parameters in the high-voltage vacuum relay performance test and send the test parameters to a central control module; A test command generating unit, used for receiving the test parameters of the high-voltage vacuum relay to be tested sent by the relay performance testing module, generating a performance test command according to the test parameters and sending it to the energy source testing module; A test electric pulse generating unit, used for determining energy parameters according to the performance test command, and generating a test electric pulse according to the energy parameters, wherein the energy parameters include voltage amplitude, pulse width, pulse frequency and number of pulse trains; A feedback information sending unit detects the high-voltage vacuum relay through a test electric pulse sent by an energy source test module, determines feedback information and sends it to a central control module; A detection result generating unit, configured to generate a detection result of the high-voltage vacuum relay according to feedback information from a relay performance test module based on the performance test command; A relay installation unit, used to detect the current or voltage of the target area in real time through a contact resistance identification circuit, and determine whether the high-voltage vacuum relay is inserted into the socket according to the detection result; The serial number, PIN pin and base of the plug-in socket are determined by the measurement processing circuit, and the contact resistance of the PIN pin and the base is detected in real time. When the contact resistance is greater than a threshold, the number of the relay contact clamping devices is increased until the contact resistance is less than the threshold.
6. The device according to claim 5, characterized in that The device also includes: A low-voltage energy source test unit, used to test the size of the electric contact resistance of the high-voltage vacuum relay through a test voltage not higher than 350V and a test current not greater than 20A; A variable load unit is used to simulate the impedance level of various tissues of the human body through a resistor array composed of several load resistors with different resistance values; At each impedance level, the energy source test module generates a test electric pulse according to the energy parameter, and the high-voltage vacuum relay is tested by the test electric pulse to determine the feedback information at each impedance level.
7. The device according to claim 5, characterized in that The device also includes: The power supply unit is used to provide various types of power to other modules.
