Current-carrying friction environmental effect experimental device and use method

Abstract

The invention discloses a current-carrying friction environmental effect experiment device and a use method, and relates to the technical field of friction wear experiment devices, the current-carrying friction environmental effect experiment device comprises a box body, a temperature adjusting module, a humidity adjusting module, a vacuum adjusting module, a radiation module, a corrosion atmosphere module and an environment control system, the box body enables the electric contact piece to be subjected to a current-carrying friction wear performance test experiment in the box body; the temperature adjusting module is used for measuring and adjusting the temperature in the box body; the humidity adjusting module is used for measuring and adjusting the humidity in the box body; the vacuum adjusting module is used for measuring and adjusting the vacuum degree in the box body; the radiation module enables radiation to be generated in the box body; the corrosive atmosphere module generates corrosive atmospheres in different extreme environments; the environment control system is in signal connection with the temperature adjusting module, the humidity adjusting module, the vacuum adjusting module, the radiation module and the corrosion atmosphere module, the structure is simple, use is convenient, and various complex environments possibly borne by the electric contact in the current-carrying friction process are effectively simulated.

Description

Technical Field

[0001] The invention relates to the technical field of friction and wear experimental devices, and in particular to a current-carrying friction environment effect experimental device and a use method thereof. Background Art

[0002] High-power high-end collector rings are mainly used in high-end equipment fields such as space stations, military radars, drones, wind turbines, and marine engineering moorings. They are expected to serve in extreme environments such as vacuum, high and low temperatures, and particle radiation in space, temperature, humidity, and corrosive atmosphere in the ocean, and frost, snow, and rain in severe weather. The current-carrying friction and wear performance of electrical contacts will be affected by these complex environmental factors, and unknown physical and chemical processes are expected to be induced on the current-carrying friction interface of electrical contacts, thereby significantly affecting the composition, structure, morphology, and damage of the friction film, changing the coupling relationship between current-carrying friction damage and performance, and thus reducing the service reliability and life of collector rings. Exploring the extreme environmental effects of material transfer, transformation, diffusion, and transformation of the current-carrying friction interface, and realizing the regulation of the current-carrying friction interface structure considering environmental effects, are important foundations for the development and application of high-end collector rings. However, there are few reports in this direction in China, and the mechanism of action is still unclear. At present, there is a lack of experimental devices and methods that can comprehensively simulate a variety of extreme environmental conditions to accurately test the current-carrying friction environmental effects of electrical contacts. Therefore, it is necessary to design an experimental device for the current-carrying friction environmental effects that can simulate a variety of complex environments. Summary of the invention

[0003] The purpose of the present invention is to provide a current-carrying friction environment effect experimental device and a method of use to solve the problems existing in the above-mentioned prior art. The device has a simple structure, is easy to use, and can effectively simulate a variety of complex environments that electrical contacts may be exposed to.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The present invention provides a current-carrying friction environment effect experimental device, comprising: a box, a temperature regulating module, a humidity regulating module, a vacuum regulating module, a radiation module, a corrosion atmosphere module, and an environmental control system, wherein the box is used to make an electrical contact perform a current-carrying friction and wear performance test experiment in the box; the temperature regulating module is arranged in the box to measure and regulate the temperature in the box; the humidity regulating module is used to measure and regulate the humidity in the box; the vacuum regulating module is used to be arranged in the box to measure and regulate the vacuum degree in the box; the radiation module is used to be arranged in the box to generate radiation in the box and to regulate the intensity and distribution of the radiation; the corrosion atmosphere module is used to be arranged in the box to generate corrosion atmospheres in different extreme environments and to monitor and regulate the concentration and distribution of the corrosion atmosphere; the environmental control system is arranged on the outside of the box, and the environmental control system is connected with the temperature regulating module, the humidity regulating module, the vacuum regulating module, the radiation module and the corrosion atmosphere module by signal.

[0006] Preferably, the temperature regulation module includes a heating element, a cooling element, an insulation layer and a plurality of temperature sensors, the heating element, the cooling element and the temperature sensors are all connected to the environmental control system signal, the heating element is used to generate heat to increase the temperature inside the box, the cooling element is used for cooling to lower the temperature inside the box, each of the temperature sensors is used to be installed at a different position inside the box to monitor the temperature inside the box, and the insulation layer is arranged on the inner wall of the box to block heat exchange with the environment.

[0007] Preferably, the heating element is a resistance wire heater or a ceramic heater, the cooling element is a compressor cooling system or a semiconductor cooling sheet, and the temperature sensor is a thermocouple or a thermal resistor.

[0008] Preferably, the humidity adjustment module includes a humidifier, a dehumidifier and a humidity sensor, the humidifier is used to generate water vapor to increase the humidity of the box, the dehumidifier is used to reduce the moisture in the air to reduce the humidity in the box, the humidity sensor is installed in the box to monitor the humidity in the box, and the humidifier, the dehumidifier and the humidity sensor are all connected to the environmental control system signal.

[0009] Preferably, the humidifier is an ultrasonic humidifier or a steam humidifier, the dehumidifier is a condensing dehumidifier or an adsorption dehumidifier, and the humidity sensor is a capacitive humidity sensor or a resistive humidity sensor.

[0010] Preferably, the corrosive atmosphere module includes a corrosive atmosphere generator and an atmosphere sensor, the corrosive atmosphere generator is used to simulate the corrosive atmosphere in a space environment or a marine environment, the atmosphere sensor is used to monitor the concentration and flow of the corrosive atmosphere in the box, and the corrosive atmosphere generator and the atmosphere sensor are both connected to the environmental control system signal.

[0011] Preferably, the vacuum regulating module includes a vacuum pump, a vacuum gauge and a solenoid valve. The vacuum pump is arranged on the outside of the box and is connected and communicated with the box to extract air in the box. The vacuum gauge is arranged in the box to measure the vacuum degree in the box. The solenoid valve is arranged on the pipeline connecting the vacuum pump and the box to control the exhaust speed of the vacuum pump and the vacuum degree in the box. The vacuum pump, the vacuum gauge and the solenoid valve are all connected to the environmental control system signal.

[0012] Preferably, the radiation module includes a radiation source, a radiation intensity adjustment device, a shielding body and a radiation detector, the radiation source is used to generate radiation in the box, the shielding body is used to be arranged on the inner wall of the box to prevent the radiation from leaking from the box, the radiation intensity adjustment device is used to adjust the intensity of the radiation, the radiation detector is arranged inside and outside the box to measure the radiation intensity, and the radiation source, the radiation intensity adjustment device and the radiation detector are all connected to the environmental control system signal.

[0013] Preferably, the environmental control system includes a processor, a controller and a display. The processor is used to receive and analyze data fed back by the temperature adjustment module, the humidity adjustment module, the vacuum adjustment module, the radiation module and the corrosion atmosphere module. The controller is used to control the temperature adjustment module to adjust the temperature, control the humidity adjustment module to adjust the humidity, control the vacuum adjustment module to adjust the vacuum degree of the box, control the radiation module to adjust the radiation intensity of the box, and control the corrosion atmosphere module to adjust the concentration and flow of the corrosion atmosphere of the box according to the instructions of the microprocessor. The display is used to display the environmental parameters and experimental status in the box.

[0014] The present invention also provides a method for using the current-carrying friction environment effect experimental device as described in any one of the above items, comprising the following steps:

[0015] Controlling the temperature adjustment module through the environmental control system to adjust the temperature of the box;

[0016] Controlling the humidity adjustment module through the environmental control system to adjust the humidity of the box;

[0017] Controlling the vacuum adjustment module through the environmental control system to adjust the vacuum degree of the box;

[0018] Controlling the radiation module through the environmental control system to adjust the radiation intensity of the box;

[0019] Controlling the corrosive atmosphere module through the environmental control system to adjust the concentration and flow rate of the corrosive atmosphere in the box;

[0020] This satisfies the experimental environment for the current-carrying friction and wear performance test experiment of the electrical contact in the box.

[0021] Compared with the prior art, the present invention has achieved the following technical effects:

[0022] The present invention provides a current-carrying friction environment effect experimental device and a method for using the same. The environment control system controls the temperature adjustment module to adjust the temperature of the box; controls the humidity adjustment module to adjust the humidity of the box; controls the vacuum adjustment module to adjust the vacuum degree of the box; controls the radiation module to adjust the radiation intensity of the box; and controls the corrosion atmosphere module to adjust the concentration of the corrosion atmosphere of the box. Thus, various environments in which electrical contacts are used can be simulated, and the electrical contacts can be tested for current-carrying friction and wear performance in various simulated environments, and the performance of the electrical contacts in different environments can be accurately tested. Each module can work independently or in any combination to work together to simulate the comprehensive effects of different extreme environments, meet different experimental requirements, and improve the flexibility and applicability of the experimental device. The structure is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the structure of the current-carrying friction environment effect experimental device provided by the present invention;

[0025] Figure 2 A top cross-sectional view of a current-carrying friction environment effect experimental device provided by the present invention;

[0026] In the figure: 1. Box body; 2. Temperature adjustment module; 3. Humidity adjustment module; 4. Vacuum adjustment module; 5. Radiation module; 6. Corrosive atmosphere module; 7. Environmental control system; 8. Electrical contact. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] The purpose of the present invention is to provide a current-carrying friction environment effect experimental device and a method of use to solve the problems existing in the above-mentioned prior art. The device has a simple structure, is easy to use, and can effectively simulate the various complex environments that electrical contacts may be exposed to.

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Embodiment 1

[0031] This embodiment provides a current-carrying friction environment effect experimental device, such as Figures 1-2As shown, it includes: a box 1, a temperature adjustment module 2, a humidity adjustment module 3, a vacuum adjustment module 4, a radiation module 5, a corrosion atmosphere module 6, and an environmental control system 7. The box 1 is used to make the electrical contact 8 perform a current-carrying friction and wear performance test experiment in the box 1; the temperature adjustment module 2 is arranged in the box 1 to measure and adjust the temperature in the box 1; the humidity adjustment module 3 is used to measure and adjust the humidity in the box 1; the vacuum adjustment module 4 is used to be arranged in the box 1 to measure and adjust the vacuum degree in the box 1; the radiation module 5 is used to be arranged in the box 1 to generate radiation in the box 1 and can control the intensity of the radiation; the corrosion atmosphere module 6 is used to be arranged in the box 1 to generate a corrosive atmosphere in the marine environment and can monitor and adjust the concentration of the corrosion atmosphere; the environmental control system 7 is arranged on the outside of the box 1, and the environmental control system The system 7 is connected with the temperature regulating module 2, the humidity regulating module 3, the vacuum regulating module 4, the radiation module 5 and the corrosion atmosphere module 6 by signals. The environment control system 7 controls the temperature regulating module 2 to adjust the temperature of the box 1; controls the humidity regulating module 3 to adjust the humidity of the box 1; controls the vacuum regulating module 4 to adjust the vacuum degree of the box 1; controls the radiation module 5 to adjust the radiation intensity of the box 1; controls the corrosion atmosphere module 6 to adjust the concentration of the corrosion atmosphere of the box 1; thereby, it is possible to simulate various environments in which the electrical contact 8 is used, and then the electrical contact 8 can be tested for current-carrying friction and wear performance in various simulated environments, accurately test the performance of the electrical contact 8 in different environments, and each module works independently and can be coordinated and adjusted to meet different experimental requirements, thereby improving the flexibility and applicability of the experimental device. The structure is simple and easy to use, which lays a foundation for the simulation of various complex environments and can meet the needs of the electrical contact 8 for performance testing in different environments.

[0032] In a preferred solution of the present embodiment, the temperature regulating module 2 includes a heating element, a cooling element, an insulation layer and a plurality of temperature sensors. The heating element, the cooling element and the temperature sensor are all connected to the environmental control system 7 by signal. The heating element is used to generate heat to increase the temperature in the box 1, and the cooling element is used to cool to reduce the temperature in the box 1. Each temperature sensor is used to be installed at different positions in the box 1 to monitor the temperature in the box 1. The insulation layer is arranged on the inner wall of the box 1. The insulation layer is made of aerogel, vacuum insulation board, etc., and is wrapped on the inner wall or a specific area of ​​the box 1 to reduce the heat exchange between the inside and outside of the box 1 and ensure the uniformity and stability of the temperature. According to the data fed back by the temperature sensor, the control system accurately adjusts the working state of the heating element and the cooling element to realize the precise control of the temperature in the box 1. Through the synergistic effect of the heating element, the cooling element and the temperature sensor, the temperature in the box 1 can be accurately controlled to realize the simulation of high and low temperature environments, and provide a reliable experimental environment for studying the performance of the electrical contact 8 under different temperature conditions.

[0033] In a preferred solution of this embodiment, the heating element is a resistance wire heater or a ceramic heater, the cooling element has a compressor refrigeration system or a semiconductor refrigeration plate, and the temperature sensor is a thermocouple or a thermistor. The specific types of heating elements and temperature sensors are clarified, providing options for the practical application of the temperature control module 2, ensuring the reliability and stability of temperature control.

[0034] In a preferred solution of this embodiment, the evolution of temperature over time in different extreme environments is simulated through the combined regulation of the heating element and the cooling element.

[0035] In a preferred solution of the present embodiment, the humidity adjustment module 3 includes a humidifier, a dehumidifier and a humidity sensor. The humidifier is used to generate water vapor to increase the humidity of the box 1. The dehumidifier is used to reduce the moisture in the air to reduce the humidity in the box 1. The humidity sensor is installed in the box 1 to monitor the humidity in the box 1. The humidifier, dehumidifier and humidity sensor are all connected to the environmental control system 7 by signal. According to the information fed back by the humidity sensor, the operation of the humidifier and the dehumidifier is controlled to adjust the humidity level in the box 1. The humidity in the box 1 can be accurately adjusted to simulate different humidity environments, which provides an effective means for studying the influence of humidity on the performance of the electrical contact 8 and helps to optimize its performance under different humidity conditions.

[0036] In a preferred scheme of this embodiment, the humidifier is an ultrasonic humidifier or a steam humidifier, the dehumidifier is a condensing dehumidifier or an adsorption dehumidifier, and the humidity sensor is a capacitive humidity sensor or a resistive humidity sensor. The types of humidifiers and humidity sensors are specifically described, which provides a reference for the practical application of the humidity adjustment module 3 and improves the accuracy and reliability of humidity adjustment.

[0037] In a preferred solution of this embodiment, the evolution of humidity over time in different extreme environments is simulated through the combined regulation of the humidifier and the dehumidifier.

[0038] In a preferred solution of this embodiment, the humidity adjustment module 3 and the temperature adjustment module 2 can work together in any combination to simulate the comprehensive effects of different extreme environments.

[0039] In a preferred solution of this embodiment, the collaborative working mode can be used to simulate extreme environments such as ice, frost, rain and snow.

[0040] In a preferred scheme of the present embodiment, the corrosive atmosphere module 6 includes a corrosive atmosphere generator and an atmosphere sensor. The corrosive atmosphere generator is used to generate a corrosive atmosphere in a marine environment, such as chlorine, sulfur dioxide, etc. The atmosphere sensor is used to monitor the concentration of the corrosive atmosphere in the box 1 to ensure that the concentration of the corrosive atmosphere is stable within a set range, and to cooperate with the temperature adjustment module 2. The corrosive atmosphere generator and the atmosphere sensor are both connected to the environmental control system 7 signal to control the operation of the corrosive atmosphere generator and the humidity adjustment device to achieve simulation of the marine corrosive environment. It can simulate the marine corrosive environment, provide experimental conditions for studying the performance of the electrical contact 8 in a marine environment, and help to understand its corrosion resistance in a marine environment.

[0041] In a preferred scheme of this embodiment, the corrosive atmosphere generator is a salt spray source or an atomic oxygen source, the atmosphere sensor is a salt spray concentration monitoring device or an atomic oxygen concentration meter and a mass flow meter, the salt spray source is realized by a salt solution through an atomization device, and the atomic oxygen source is realized by microwave discharge, radio frequency discharge, or laser irradiation.

[0042] In a preferred solution of this embodiment, the corrosive atmosphere module 6 can work in coordination with the temperature adjustment module 2, the humidity adjustment module 3, etc. in any combination to simulate the comprehensive effects of different extreme environments.

[0043] In a preferred solution of this embodiment, the collaborative working mode can be used to simulate the global ocean environment.

[0044] In a preferred solution of the present embodiment, the vacuum regulating module 4 includes a vacuum pump, a vacuum gauge and a solenoid valve. The vacuum pump is arranged outside the box 1 and connected to and communicated with the box 1 to extract the air in the box 1. The vacuum pump may be a mechanical vacuum pump, a diffusion pump, etc., for extracting the air in the box 1, reducing the pressure in the box 1, and realizing a vacuum environment. The vacuum gauge is arranged in the box 1 to measure the vacuum degree in the box 1. The vacuum gauge is a thermocouple vacuum gauge or an ionization vacuum gauge. The solenoid valve is arranged on the pipeline connecting the vacuum pump and the box 1 to control the air extraction speed of the vacuum pump and the vacuum degree in the box 1. The vacuum pump, the vacuum gauge and the solenoid valve are all connected to the environmental control system 7 by signal. According to the vacuum degree data fed back by the vacuum gauge, the operation of the vacuum pump and the valve is controlled to accurately adjust the vacuum degree in the box 1, realize accurate adjustment of the vacuum degree in the box 1, simulate the vacuum conditions in the space environment, and provide a reliable experimental means for studying the influence of the vacuum environment on the performance of the electrical contact 8.

[0045] In a preferred solution of this embodiment, the vacuum adjustment module 4, the temperature adjustment module 2 and the corrosive atmosphere module 6 can work together in any combination to simulate the comprehensive effects of different extreme environments.

[0046] In a preferred solution of this embodiment, the collaborative working mode can be used to simulate the global air and space environment.

[0047] In a preferred solution of this embodiment, the radiation module 5 includes a radiation source, a radiation detector, a shielding body and a radiation intensity adjustment device. The radiation source is used to be arranged in the box 1 to generate radiation in the box 1. The radiation source and the radiation detector are both placed in the radiation shielding body. The radiation intensity adjustment device is placed in a position accessible to personnel outside the radiation shielding body for easy operation by personnel. The radiation source directly irradiates the electrical contact in front through the radiation aperture, and the electrical contact is connected to the current-carrying friction and wear performance test device. The radiation detector is arranged directly behind the electrical contact. The radiation detector is placed in the local radiation shielding body, and a small hole is opened at the detection unit, facing the incident direction of the radiation particles, so as to measure the energy spectrum and flux of the radiation particles.

[0048] In a preferred solution of this embodiment, the radiation source includes ionizing radiation generated by protons, electrons, neutrons, heavy ions, and X / Y, and also includes electromagnetic radiation generated by electromagnetic waves, visible light, ultraviolet rays, X-rays, and gamma rays, such as radioactive substances such as cobalt-60, which generate radiation of specific intensity and type. Alternatively, an electron beam generator is used to generate radiation by accelerating electrons. The shielding body is used to be arranged on the inner wall of the box 1 to prevent radiation from leaking from the box 1 and causing personal injury and environmental pollution. In order to ensure the safety of the experimenters, shielding materials such as lead plates are arranged to prevent radiation leakage. Radiation detectors are arranged inside and outside the box 1 to measure radiation intensity. The radiation intensity includes radiation energy spectrum and radiation injection. The radiation intensity adjustment device is used to be arranged in the box 1 to adjust the intensity of radiation. The radiation intensity adjustment device can adjust the intensity of radiation by adjusting the distance of the radiation source, the acceleration voltage of the electron beam, etc. The radiation source, the shielding body and the radiation intensity adjustment device are all connected to the environmental control system 7 signal to control the working state of the radiation source or the electron beam generator, as well as the radiation intensity adjustment device to meet different experimental needs. It can simulate particle radiation in the space environment. Different experimental needs can be met through the radiation intensity adjustment device, which provides an effective experimental platform for studying the influence of radiation on the performance of the electrical contact 8.

[0049] In a preferred solution of this embodiment, the radiation module 5 can be arbitrarily combined and coordinated with the temperature adjustment module 2, the vacuum adjustment module 4, and the corrosive atmosphere module 6 to simulate the comprehensive effects of different extreme environments.

[0050] In a preferred solution of this embodiment, the collaborative working mode can be used to simulate the global space environment.

[0051] In a preferred scheme of the present embodiment, the environmental control system 7 includes a processor, a controller and a display. The processor is used to receive and analyze the data fed back by the temperature adjustment module 2, the humidity adjustment module 3, the vacuum adjustment module 4, the radiation module 5 and the corrosive atmosphere module 6. The controller is used to control the temperature adjustment module 2 to perform temperature adjustment, control the humidity adjustment module 3 to perform humidity adjustment, control the vacuum adjustment module 4 to adjust the vacuum degree of the box 1, control the radiation module 5 to adjust the radiation intensity of the box 1 and control the corrosive atmosphere module 6 to adjust the concentration of the corrosive atmosphere of the box 1 according to the instructions of the microprocessor. The display is used to display the environmental parameters and experimental status in the box 1. The environmental control system 7 can centrally control each module to realize real-time monitoring and adjustment of the environmental parameters in the box 1, thereby improving the accuracy and reliability of the experiment. The display facilitates the experimenter to observe the experimental status.

[0052] Embodiment 2

[0053] This embodiment also provides a method for using the current-carrying friction environment effect experimental device as in Embodiment 1, comprising the following steps:

[0054] The temperature of the box 1 is adjusted by controlling the temperature adjustment module 2 through the environmental control system 7;

[0055] The humidity of the box 1 is adjusted by controlling the humidity adjustment module 3 through the environmental control system 7;

[0056] The vacuum degree of the box 1 is adjusted by controlling the vacuum adjustment module 4 through the environmental control system 7;

[0057] The radiation module 5 is controlled by the environmental control system 7 to adjust the radiation intensity of the box 1;

[0058] The concentration of the corrosive atmosphere in the box 1 is adjusted by controlling the corrosive atmosphere module 6 through the environmental control system 7;

[0059] According to the combined characteristics of the simulated extreme environmental factors, different environmental adjustment modules are turned on and the corresponding simulation parameters are set.

[0060] The environmental control system 7 monitors the levels of different environmental factors. When the simulated environmental level is reached, the current-carrying friction and wear performance detection device of the electrical contact 8 is turned on to record the evolution of the friction coefficient, contact resistance, wear rate, temperature, etc. over time and the level of environmental factors.

[0061] All environmental adjustment modules are turned off in sequence, the current-carrying friction and wear performance detection device is turned off, the electrical contact 8 is taken out, and data analysis is performed.

[0062] The current-carrying friction environment effect experimental device provided by the present invention can simulate the following environments, so that the electrical contact 8 can perform current-carrying friction and wear experiments in the following environments;

[0063] 1. High and low temperature environment

[0064] The heating element and the cooling element in the temperature regulating module 2 can simulate the high and low temperature environments in different regions on the earth in different seasons or under different climatic conditions, such as the low temperature environment in extremely cold regions and the high temperature environment in hot regions. It can also simulate the high and low temperature environment in the space environment.

[0065] 2. Different humidity environments

[0066] The humidity adjustment module 3 can simulate different humidity conditions such as a humid tropical rain forest environment, a relatively dry desert environment, an ocean environment at different latitudes, a land environment at different altitudes, etc. In industrial production, it can also simulate some production workshop environments that have specific requirements on humidity.

[0067] 3. Marine Environment

[0068] The corrosion atmosphere module 6 can simulate the corrosion conditions in the marine environment, including the conditions in which the marine atmosphere contains salt and various corrosive gases, as well as the corrosion conditions in the seawater immersion environment. It can simulate the salt spray, temperature, humidity, frost, rain and snow in the entire marine environment, as well as a single environment or any combination of comprehensive environments. This is of great significance for studying the application of electrical contacts 8 in the fields of marine engineering, ships, etc.

[0069] 4. Space Environment

[0070] The vacuum regulating module 4 can simulate the high vacuum state in the space environment. It can simulate the vacuum, high and low temperature, atomic oxygen, electromagnetic radiation, particle radiation and other single environments or any combination of comprehensive environments in the space environment. In the field of aerospace, this vacuum environment has an important influence on the performance of the electrical contact 8, and the device can provide experimental conditions for related research.

[0071] 5. Radiation environment

[0072] The radiation module 5 can simulate the radiation conditions in the space environment, such as cosmic rays, etc. At the same time, it can also simulate the radiation conditions in some nuclear industry environments or specific scientific research environments.

[0073] VI. Land and Atmospheric Environment

[0074] Simulate the temperature, humidity, vacuum, electromagnetic radiation, frost, rain, snow and other single environments or any combination of comprehensive environments in the land and atmospheric environment at different altitudes.

[0075] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A current-carrying friction environment effect experimental device, characterized in that: include: A box body, wherein the box body is used to allow the electrical contact to perform a current-carrying friction and wear performance test experiment in the box body; A temperature regulating module, which is disposed in the box to measure and regulate the temperature in the box; A humidity adjustment module, the humidity adjustment module is used to measure and adjust the humidity in the box; A vacuum regulating module, which is used to be disposed in the box body to measure and regulate the vacuum degree in the box body; A radiation module, the radiation module is used to be arranged in the box to generate radiation in the box and to adjust the intensity and distribution of the radiation; A corrosive atmosphere module, which is used to be disposed in the box to generate corrosive atmospheres in different extreme environments and can monitor and adjust the concentration and distribution of the corrosive atmosphere; and An environmental control system is arranged outside the box, and the environmental control system is signal-connected with the temperature adjustment module, the humidity adjustment module, the vacuum adjustment module, the radiation module and the corrosion atmosphere module.

2. The current-carrying friction environment effect experimental device according to claim 1 is characterized in that: The temperature regulation module includes a heating element, a cooling element, an insulation layer and a plurality of temperature sensors. The heating element, the cooling element and the temperature sensors are all connected to the environmental control system signal. The heating element is used to generate heat to increase the temperature inside the box, and the cooling element is used to cool to reduce the temperature inside the box. Each of the temperature sensors is used to be installed at a different position inside the box to monitor the temperature inside the box. The insulation layer is arranged on the inner wall of the box to block heat exchange with the environment.

3. The current-carrying friction environment effect experimental device according to claim 2 is characterized in that: The heating element is a resistance wire heater or a ceramic heater, the cooling element is a compressor cooling system or a semiconductor cooling sheet, and the temperature sensor is a thermocouple or a thermal resistor.

4. The current-carrying friction environment effect experimental device according to claim 1 is characterized in that: The humidity adjustment module includes a humidifier, a dehumidifier and a humidity sensor. The humidifier is used to generate water vapor to increase the humidity of the box. The dehumidifier is used to reduce the moisture in the air to reduce the humidity in the box. The humidity sensor is installed in the box to monitor the humidity in the box. The humidifier, the dehumidifier and the humidity sensor are all connected to the environmental control system signal.

5. The current-carrying friction environment effect experimental device according to claim 4 is characterized in that: The humidifier is an ultrasonic humidifier or a steam humidifier, the dehumidifier is a condensation dehumidifier or an adsorption dehumidifier, and the humidity sensor is a capacitive humidity sensor or a resistive humidity sensor.

6. The current-carrying friction environment effect experimental device according to claim 5 is characterized in that: The corrosive atmosphere module includes a corrosive atmosphere generator and an atmosphere sensor. The corrosive atmosphere generator is used to simulate the corrosive atmosphere in a space environment or a marine environment. The atmosphere sensor is used to monitor the concentration and flow of the corrosive atmosphere in the box. Both the corrosive atmosphere generator and the atmosphere sensor are connected to the environmental control system signal.

7. The current-carrying friction environment effect experimental device according to claim 1 is characterized in that: The vacuum regulating module includes a vacuum pump, a vacuum gauge and a solenoid valve. The vacuum pump is arranged on the outside of the box and is connected and communicated with the box to extract air in the box. The vacuum gauge is arranged in the box to measure the vacuum degree in the box. The solenoid valve is arranged on the pipeline connecting the vacuum pump and the box to control the exhaust speed of the vacuum pump and the vacuum degree in the box. The vacuum pump, the vacuum gauge and the solenoid valve are all connected to the environmental control system signal.

8. The current-carrying friction environment effect experimental device according to claim 1 is characterized in that: The radiation module includes a radiation source, a radiation intensity adjustment device, a shielding body and a radiation detector. The radiation source is used to generate radiation in the box. The shielding body is used to be arranged on the inner wall of the box to prevent the radiation from leaking from the box. The radiation intensity adjustment device is used to adjust the intensity of the radiation. The radiation detector is arranged inside and outside the box to measure the radiation intensity. The radiation source, the radiation intensity adjustment device and the radiation detector are all connected to the environmental control system signal.

9. The current-carrying friction environment effect experimental device according to claim 1 is characterized in that: The environmental control system includes a processor, a controller and a display. The processor is used to receive and analyze data fed back by the temperature adjustment module, the humidity adjustment module, the vacuum adjustment module, the radiation module and the corrosion atmosphere module. The controller is used to control the temperature adjustment module to adjust the temperature, control the humidity adjustment module to adjust the humidity, control the vacuum adjustment module to adjust the vacuum degree of the box, control the radiation module to adjust the radiation intensity of the box, and control the corrosion atmosphere module to adjust the concentration and flow of the corrosion atmosphere of the box according to the instructions of the microprocessor. The display is used to display the environmental parameters and experimental status in the box.

10. A method for using the current-carrying friction environment effect experimental device as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Controlling the temperature adjustment module through the environmental control system to adjust the temperature of the box; Controlling the humidity adjustment module through the environmental control system to adjust the humidity of the box; Controlling the vacuum adjustment module through the environmental control system to adjust the vacuum degree of the box; Controlling the radiation module through the environmental control system to adjust the radiation intensity of the box; Controlling the corrosive atmosphere module through the environmental control system to adjust the concentration and flow rate of the corrosive atmosphere in the box; This satisfies the experimental environment for the current-carrying friction and wear performance test experiment of the electrical contact in the box.

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