High-precision intelligent detection device for airtightness of protective airtight door

Abstract

The invention relates to the technical field of protective air-tight door detection, and discloses a high-precision protective air-tight door air-tight performance intelligent detection device which comprises a protective air-tight door body and a door frame embedded in the protective air-tight door body, a detection frame assembly is embedded in one side of the door frame, and a sealing assembly is arranged between the detection frame assembly and the door frame. The inner side face of the detection frame assembly is connected with a pressure adjusting assembly through a pipeline, the detection frame assembly is provided with a multi-parameter detection assembly, and the pressure adjusting assembly is electrically connected with a control assembly. According to the device, various airtight performance parameters of the protective airtight door can be accurately measured through various high-precision sensors, and the accuracy and reliability of a detection result are effectively improved through multi-parameter comprehensive analysis. According to the device, the automatic control of the detection process and the intelligent processing and analysis of data are realized through the data processing and control system of the console, and the leakage condition is quantified, so that the detection efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detection of protective air-tight doors, in particular to a high-precision intelligent detection device for the air-tight performance of a protective air-tight door. BACKGROUND

[0002] Protective air-tight doors are widely used in air defense projects, nuclear facilities, important material storage warehouses and other places, and the air-tight performance thereof is directly related to the safety and protection effect of the protective place. In actual application, the air-tight performance of the protective air-tight door can be affected by various factors such as manufacturing process, installation error, wear during use, and environmental temperature change.

[0003] At present, the detection of the air-tight performance of a protective air-tight door mainly adopts two ways of manual detection and traditional instrument detection. Manual detection usually relies on the detection personnel to use a smoke generator to generate smoke on one side of the protective air-tight door, and to observe whether the smoke leaks by naked eyes, and to evaluate the air-tight performance by relying on experience. This way has low detection efficiency, strong subjectivity, and the accuracy and reliability of the detection result are difficult to guarantee. Although the traditional instrument detection can provide certain quantitative data, it has problems such as single detection parameter, inability to monitor in real time, low automation degree, and difficulty in simulating the actual use environment, and cannot comprehensively and accurately reflect the air-tight performance of the protective air-tight door. SUMMARY

[0004] The purpose of the present application is to provide a high-precision intelligent detection device for the air-tight performance of a protective air-tight door to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a high-precision intelligent detection device for the air-tight performance of a protective air-tight door, comprising a protective air-tight door body and a door frame embedded with the protective air-tight door body, a detection frame assembly is embedded on one side of the door frame, a sealing assembly is arranged between the detection frame assembly and the door frame, the inner side of the detection frame assembly is connected with a pressure adjusting assembly through a pipeline, a multi-parameter detection assembly is arranged on the detection frame assembly, and the pressure adjusting assembly is electrically connected with a control assembly. The detection frame assembly comprises a detection groove welded on a detection back plate, and a triangular stand is fixed on one side of the detection groove through screws, and the other side of the triangular stand is fixed on the detection back plate through screws. The pressure adjusting assembly comprises an air pump, a vacuum pump, a pressure regulating valve, a pressure sensor and a pipeline piece, the air pump and the vacuum pump are connected with the pipeline piece through a conduit, the pressure regulating valve is arranged on the pipeline piece, and the pressure sensor is fixed on the back side of the detection back plate through a sealing bolt and is connected with the detection groove. The pressure regulating assembly is started, according to preset detection parameters, helium is filled into the detection tank through the air pump, the gas flows through the gas flow meter and the pressure regulating valve from the main pipeline into the detection tank, so as to simulate the positive pressure environment, the pressure sensor monitors the pressure value in the detection space in real time, and transmits the pressure signal to the control console for data processing, the control console controls the opening of the pressure regulating valve, accurately controls the pressure and change rate in the detection space, can simulate the pressure working condition from low pressure to high pressure, and meets different detection requirements.

[0006] The multi-parameter detection assembly includes a gas concentration sensor, a gas flow meter, an outside pressure sensor, a temperature sensor and a humidity sensor, the gas concentration sensor is fixed on the bottom surface of the detection tank by screws and is equidistantly arranged, the gas flow meter is arranged on the pipeline, and the outside pressure sensor is fixed on the outside of the detection back plate by bolts.

[0007] During detection, the gas concentration sensors are uniformly distributed at different positions of the detection tank and monitor the concentration change of helium in the detection space in real time, when an abnormal decrease in the gas concentration is detected, it can be judged that there is a leakage, and the approximate position of the leakage point is determined through the concentration change data received by each gas concentration sensor near the leakage point, then the vacuum pump is started to re-extract the helium in the detection space to make the detection tank in a negative pressure state, at the same time, the gas flow meter collects the gas flow data flowing through the pipeline again, and the control console can calculate the gas flow leaked through the leakage point per unit time through the difference between the two collected gas flow data, so as to quantify the leakage amount and improve the accuracy of the detection result.

[0008] Further, the temperature sensor and the humidity sensor are fixed on the bottom surface of the detection tank by screws, the control assembly includes a control console, the control console is provided with a touch control screen, a plurality of manual valves and pressure regulating valves are arranged on one side of the touch control screen, and the control console is electrically connected with the pressure sensor, the pressure regulating valve, the gas concentration sensor, the gas flow meter, the outside pressure sensor, the temperature sensor and the humidity sensor.

[0009] During detection, the pressure sensor and the outside pressure sensor respectively installed on the two sides of the detection tank measure the pressure difference inside and outside the detection space in real time, the sealing performance of the protective airtight door is evaluated through the change of the pressure difference, the gas concentration sensor is assisted to make a leakage detection judgment, the detection accuracy is improved, and at the same time, since the change of temperature and humidity will affect the physical properties of the gas and the performance of the protective airtight door material, the temperature sensor and the humidity sensor monitor the temperature and humidity change in the detection space in real time and are used as reference data of external environment influence, so as to more accurately analyze and correct the detection result.

[0010] The manual valve is used for pipeline inspection before equipment starting, cutting off medium supply in emergency, etc., the pressure regulating valve is controlled by the console, when the pressure in the detection groove exceeds the safe range, the pressure regulating valve will automatically reduce the pressure to prevent high pressure from damaging the equipment, and plays a safety protection role.

[0011] Further, the protection closed door body is provided with an on-off rotary disc and a lock rod, a top plate is welded above the detection groove, and a supporting plate is welded below the detection groove, and a backing plate is welded on the supporting plate.

[0012] Further, the bottom of the top plate and the top of the backing plate are fixed with limit cylinders by screws, the lock rod is embedded in the limit cylinder and is in sliding fit, and a supporting frame is welded on the back side of the detection back plate, the supporting frame is in triangular structure and is fixed to the ground by expansion screws.

[0013] The detection groove is tightly combined with the door frame in which the protection closed door body is embedded, so as to ensure that the sealing assembly is in full contact with the surface of the door frame, then the on-off rotary disc of the protection closed door body is rotated to make the lock rod of the closed door extend outward and be inserted into the limit cylinders above and below, so as to fix the protection closed door body.

[0014] Further, the pipeline piece comprises a main pipeline, a middle section pipeline and a pipeline head, one end of the pipeline head is closed, the other end is connected with the middle section pipeline through a flange plate, the middle section pipeline is connected with the main pipeline through a flange plate, and the main pipeline is welded on the back side of the detection back plate and communicates with the detection groove.

[0015] Further, the pipeline head is connected with a gas pump and a vacuum pump on both sides, the gas flow meter and the pressure regulating valve are installed on the middle section pipeline, and the gas flow meter is farther away from the pipeline head than the pressure regulating valve.

[0016] Further, the sealing assembly comprises an inner sealing rubber strip, a sealing air bag, an outer sealing rubber strip, an air pipe and an inflator, the inner sealing rubber strip and the outer sealing rubber strip are pasted on the inner side of the edge of the detection groove by strong glue, and the inner sealing rubber strip and the outer sealing rubber strip are made of flexible latex material.

[0017] Further, the inner sealing rubber strip is closer to the bottom surface of the detection groove than the outer sealing rubber strip, the sealing air bag is arranged between the outer sealing rubber strip and the inner sealing rubber strip, one side of the sealing air bag is connected with the air pipe, and the air pipe penetrates through the detection groove and is connected with the inflator.

[0018] The console starts the inflation pump of the sealing air bag, the inflation pump inflates the sealing air bag, the sealing air bag is inflated and tightly presses the protective airtight door body, meanwhile, the inner sealing rubber strip and the outer sealing rubber strip are installed on the edges in contact with the protective airtight door body, the flexible rubber material has good elasticity and sealing property, can compensate the unevenness of the surface of the protective airtight door body to a certain extent, forms a highly sealed detection space, effectively prevents gas leakage in the detection process, and improves the accuracy of detection.

[0019] Further, the temperature adjusting assembly is additionally arranged on one side of the detection back plate, the temperature adjusting assembly comprises a supporting table, a sealing connecting pipeline, a solenoid valve, a ventilation fan, a split box, a ventilation pipeline and a semiconductor component, the semiconductor component is fixed on the supporting table through bolts, one end of the sealing connecting pipeline is locked on the back side of the detection back plate and communicates with the detection groove, the other end communicates with the split box, and the solenoid valve is installed on the sealing connecting pipeline.

[0020] Further, the semiconductor component comprises a semiconductor, a refrigeration heat dissipation surface and a heating heat dissipation surface, the semiconductor is attached between the refrigeration heat dissipation surface and the heating heat dissipation surface and is fixed through screws, the split box is symmetrically fixed on both sides of the semiconductor component through screws and is wrapped outside the refrigeration heat dissipation surface and the heating heat dissipation surface, the ventilation pipeline is welded on one side of the split box and is communicated, the ventilation fan is fixed on one end of the ventilation pipeline through screws, and the solenoid valve is electrically connected with the console.

[0021] When the scene where the high-precision protective airtight door is applied is in an abnormal climate area, the temperature adjusting assembly is additionally arranged on one side of the detection back plate of the detection device, the console starts the semiconductor to generate heat and cold on both sides of the semiconductor, when a lower temperature area needs to be simulated, the solenoid valve opens the sealing connecting pipeline connected with the refrigeration heat dissipation surface, the refrigeration heat dissipation surface continuously generates cold, the cold of the split box is brought into the detection groove from the pipeline through the airflow of the ventilation fan, the environmental temperature is suddenly reduced, the temperature sensor is used for real-time feedback until the temperature reaches the preset detection environmental temperature, then the solenoid valve is closed, gas is filled and leakage detection is carried out, so that the sealing performance of the protective airtight door is more comprehensively reflected, and the detection data is observed in real time through the touch control screen, which is intuitive and efficient. When a higher temperature area needs to be simulated, the solenoid valve opens the sealing connecting pipeline connected with the heating heat dissipation surface to adjust the temperature.

[0022] Compared with the prior art, the high-precision protective airtight door sealing performance intelligent detection device has the following beneficial effects: 1. The high-precision protective airtight door airtight performance intelligent detection device can accurately measure various airtight performance parameters of the protective airtight door through various high-precision sensors, effectively improves the accuracy and reliability of the detection results through multi-parameter comprehensive analysis, and greatly improves the detection precision compared with the traditional detection method.

[0023] 2. The high-precision protective airtight door airtight performance intelligent detection device realizes automatic control of the detection process and intelligent processing and analysis of data through the data processing and control system of the console, so that the operator only needs to set the detection parameters, and the device can automatically complete the detection process and quantify the leakage condition, thereby greatly improving the detection efficiency.

[0024] 3. The high-precision protective airtight door airtight performance intelligent detection device simulates various pressure working conditions and complex environmental conditions through the pressure adjusting system and the temperature adjusting assembly, comprehensively evaluates the airtight performance of the protective airtight door under different use scenarios, and makes the detection result more practical and valuable. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a schematic view of the back structure of the present application; Figure 2 is a schematic view of the back structure of the present application; Figure 3 is a schematic view of the back structure of the present application; Figure 4 is a schematic view of the back structure of the present application; Figure 5 is a schematic view of the back structure of the present application; Figure 6 is a schematic view of the back structure of the present application; Figure 7 is a schematic view of the back structure of the present application; Figure 8 is a schematic view of the back structure of the present application; Figure 9 is a schematic view of the back structure of the present application.

[0026] In the figure: 1, the protective closed door body; 2, the door frame; 3, the detection frame assembly; 4, the sealing assembly; 5, the pressure regulating assembly; 6, the multi-parameter detection assembly; 7, the control assembly; 8, the temperature regulating assembly; 11, the switch rotary disc; 12, the lock rod; 31, the detection groove; 32, the detection back plate; 33, the tripod; 34, the top plate; 35, the support plate; 36, the pad plate; 37, the limiting cylinder; 38, the support frame; 41, the inner side sealing rubber strip; 42, the sealing air bag; 43, the outer side sealing rubber strip; 44, the air pipe; 45, the inflation pump; 51, the air pump; 52, the vacuum pump; 53, the pressure regulating valve; 54, the pressure sensor; 55, the main pipe; 56, the middle section pipe; 57, the pipe head; 61, the gas concentration sensor; 62, the gas flow meter; 63, the outer side pressure sensor; 64, the temperature sensor; 65, the humidity sensor; 71, the control console; 72, the manual valve; 73, the pressure regulating valve; 81, the support table; 82, the sealing connecting pipe; 83, the electromagnetic valve; 84, the ventilation fan; 85, the split box; 86, the ventilation pipe; 87, the semiconductor; 88, the refrigeration heat dissipation surface; 89, the heating heat dissipation surface; 711, the touch control screen. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application. Embodiment one

[0028] Please refer to Figures 1-8 , the high-precision protective closed door sealing performance intelligent detection device, comprising a protective closed door body 1 and a door frame 2 embedded with the protective closed door body 1, a detection frame assembly 3 embedded on one side of the door frame 2, a sealing assembly 4 arranged between the detection frame assembly 3 and the door frame 2, a pressure regulating assembly 5 connected to the inner side of the detection frame assembly 3 through a pipe, a multi-parameter detection assembly 6 arranged on the detection frame assembly 3, and a control assembly 7 electrically connected to the pressure regulating assembly 5. The detection frame assembly 3 comprises a detection groove 31 welded on a detection back plate 32, and a tripod 33 fixed on one side of the detection groove 31 through screws and fixed on the other side of the detection back plate 32 through screws. The pressure regulating assembly 5 comprises an air pump 51, a vacuum pump 52, a pressure regulating valve 53, a pressure sensor 54, and a pipe, the air pump 51 and the vacuum pump 52 are connected to the pipe through a conduit, the pressure regulating valve 53 is arranged on the pipe, and the pressure sensor 54 is fixed on the back side of the detection back plate 32 through a sealing bolt and connected to the detection groove 31. The pressure regulating assembly 5 is started, according to the preset detection parameters, helium is filled into the detection tank 31 by the air pump 51, the gas flows through the gas flow meter 62 and the pressure regulating valve 53 from the main pipeline 55 into the detection tank 31, so as to simulate the positive pressure environment, the pressure sensor 54 monitors the pressure value in the detection space in real time and transmits the pressure signal to the control console 71 for data processing, the control console 71 controls the opening of the pressure regulating valve 53 to accurately control the pressure and the change rate in the detection space, which can simulate the pressure working condition from low pressure to high pressure to meet different detection requirements.

[0029] The multi-parameter detection assembly 6 includes a gas concentration sensor 61, a gas flow meter 62, an outside pressure sensor 63, a temperature sensor 64 and a humidity sensor 65, the gas concentration sensor 61 is fixed on the bottom surface of the detection tank 31 by screws and is equidistantly arranged, the gas flow meter 62 is arranged on the pipeline, and the outside pressure sensor 63 is fixed on the outside of the detection back plate 32 by bolts.

[0030] During detection, the gas concentration sensors 61 are uniformly distributed at different positions of the detection tank 31 and monitor the concentration change of helium in the detection space in real time, when the gas concentration is abnormally reduced, it can be judged that there is a leakage, and the approximate position of the leakage point is determined through the concentration change data received by each gas concentration sensor 61 near the leakage point, then the vacuum pump 52 is started to re-extract the helium in the detection space to make the detection tank 31 in a negative pressure state, at the same time, the gas flow meter 62 collects the gas flow data flowing through the pipeline again, and the control console 71 can calculate the gas flow leaked through the leakage point per unit time through the difference between the two collected gas flow data, so as to quantify the leakage amount and improve the accuracy of the detection result.

[0031] Further, the temperature sensor 64 and the humidity sensor 65 are fixed on the bottom surface of the detection tank 31 by screws, and the control assembly 7 includes a control console 71, the control console 71 is provided with a touch control screen 711, a plurality of manual valves 72 and pressure regulating valves 73 are arranged on one side of the touch control screen 711, and the control console 71 is electrically connected with the pressure sensor 54, the pressure regulating valve 53, the gas concentration sensor 61, the gas flow meter 62, the outside pressure sensor 63, the temperature sensor 64 and the humidity sensor 65.

[0032] During detection, the pressure sensor 54 and the outside pressure sensor 63 installed on the two sides of the detection tank 31 measure the pressure difference inside and outside the detection space in real time, evaluate the sealing performance of the protective sealed door through the change of the pressure difference, assist the gas concentration sensor 61 to make a leakage detection judgment and improve the detection accuracy, at the same time, since the change of temperature and humidity will affect the physical properties of the gas and the performance of the protective sealed door material, the temperature sensor 65 and the humidity sensor 64 monitor the temperature and humidity change in the detection space in real time and are used as reference data of the external environment, so as to more accurately analyze and correct the detection result.

[0033] The manual valve 72 is used for pipeline inspection before equipment start-up, emergency shut-off of medium supply, etc., and the pressure regulating valve 73 is controlled by the console 71, which automatically reduces pressure when the pressure in the detection tank 31 exceeds the safe range, preventing damage to the equipment caused by high pressure and playing a safety protection role.

[0034] Further, the protective sealed door body 1 is provided with an on-off rotary disc 11 and a lock rod 12, a top plate 34 is welded above the detection tank 31, and a support plate 35 is welded below the detection tank 31. The support plate 35 is welded with a backing plate 36.

[0035] Further, the bottom of the top plate 34 and the top of the backing plate 36 are fixed with a limiting cylinder 37 by screws, and the lock rod 12 is embedded in the limiting cylinder 37 and is in sliding fit. The back side of the detection back plate 32 is welded with a support frame 38, which is in a triangular structure and is fixed to the ground by expansion screws.

[0036] The detection tank 31 is tightly attached to the door frame 2 in which the protective sealed door body 1 is embedded, ensuring that the sealing assembly 4 is in full contact with the surface of the door frame 2. Then, the on-off rotary disc 11 of the protective sealed door body 1 is rotated to make the lock rod 12 of the closed door extend outward and insert into the limiting cylinder 37 above and below, thereby fixing the protective sealed door body 1.

[0037] Further, the pipeline piece includes a main pipeline 55, a middle pipeline 56, and a pipeline head 57. One end of the pipeline head 57 is closed, and the other end is connected to the middle pipeline 56 through a flange. The middle pipeline 56 is connected to the main pipeline 55 through a flange. The main pipeline 55 is welded to the back side of the detection back plate 32 and communicates with the detection tank 31.

[0038] Further, the pipeline head 57 is connected to a gas pump 51 and a vacuum pump 52 on both sides. A gas flow meter 62 and a pressure regulating valve 53 are installed on the middle pipeline 56. The gas flow meter 62 is farther away from the pipeline head 57 than the pressure regulating valve 53.

[0039] Further, the sealing assembly 4 includes an inner sealing rubber strip 41, a sealing air bag 42, an outer sealing rubber strip 43, an air tube 44, and an air pump 45. The inner sealing rubber strip 41 and the outer sealing rubber strip 43 are adhered to the inner side of the edge of the detection tank 31 by strong glue. Both the inner sealing rubber strip 41 and the outer sealing rubber strip 43 are made of flexible latex material.

[0040] Further, the inner sealing rubber strip 41 is closer to the bottom surface of the detection tank 31 than the outer sealing rubber strip 43. The sealing air bag 42 is arranged between the outer sealing rubber strip 43 and the inner sealing rubber strip 41. One side of the sealing air bag 42 is connected to the air tube 44, which penetrates the detection tank 31 and is connected to the air pump 45.

[0041] The console 71 starts the inflation pump 45 of the sealing air bag 42, the inflation pump 45 inflates the sealing air bag 42, the sealing air bag 42 is inflated and tightly presses the protective door body 1, and the inner sealing rubber strip 41 and the outer sealing rubber strip 43 are installed on the edges in contact with the protective door body 1. The flexible rubber material has good elasticity and sealing performance, can compensate for the unevenness of the surface of the protective door body 1 to a certain extent, form a highly sealed detection space, effectively prevent gas leakage during detection, and improve the accuracy of detection. Example two

[0042] Please refer to Figure 9 The difference between example two and example one is that the temperature adjusting assembly 8 is additionally arranged on one side of the detection back plate 32, the temperature adjusting assembly 8 comprises a support table 81, a sealing connection pipeline 82, an electromagnetic valve 83, a ventilation fan 84, a split box 85, a ventilation pipeline 86 and a semiconductor component, the semiconductor component is fixed on the support table 81 through bolts, one end of the sealing connection pipeline 82 is locked on the back side of the detection back plate 32 and communicates with the detection groove 31, the other end communicates with the split box 85, and the electromagnetic valve 83 is installed on the sealing connection pipeline 82.

[0043] Further, the semiconductor component comprises a semiconductor 87, a refrigeration heat dissipation surface 88 and a heating heat dissipation surface 89, the semiconductor 87 is attached between the refrigeration heat dissipation surface 88 and the heating heat dissipation surface 89 and is fixed through screws, the split box 85 is fixed on both sides of the semiconductor component through screws and covers the outside of the refrigeration heat dissipation surface 88 and the heating heat dissipation surface 89, the ventilation pipeline 86 is welded on one side of the split box 85 and is arranged in communication, the ventilation fan 84 is fixed on one end of the ventilation pipeline 86 through screws, and the electromagnetic valve 83 is electrically connected to the console 71.

[0044] When the scene where the high-precision protective door is applied is in an abnormal climate area, the temperature adjusting assembly 8 is additionally arranged on one side of the detection back plate 32 of the detection device, the console 71 starts the semiconductor 87 to generate heat and cold on both sides of the semiconductor 87, when a lower temperature area needs to be simulated, the electromagnetic valve 83 opens the sealing connection pipeline 82 connected to the refrigeration heat dissipation surface 88, the refrigeration heat dissipation surface 88 continuously generates cold, the cold of the split box 85 is brought into the detection groove 31 from the pipeline through the airflow of the ventilation fan 84, the temperature is suddenly lowered, the temperature sensor 64 is used for real-time feedback, until the temperature reaches the preset detection environment temperature, then the electromagnetic valve 83 is closed, the gas is filled, and the leakage is detected, so that the sealing performance of the protective door is more comprehensively reflected, and the detection data is observed in real time through the touch control screen 711, which is intuitive and efficient. When a higher temperature area needs to be simulated, the electromagnetic valve 83 opens the sealing connection pipeline 82 connected to the heating heat dissipation surface 88 to adjust the temperature.

[0045] The specific use and role of the embodiment are as follows: In use, first, the detection groove 31 is tightly attached to the door frame 2 in which the protective closed door body 1 is embedded, and the sealing assembly 4 is ensured to be in full contact with the surface of the door frame 2. Then, the switch disc 11 of the protective closed door body 1 is rotated to make the door closing lock rod 12 extend outward and be inserted into the upper and lower limiting cylinders 37, thereby fixing the protective closed door body 1. Then, the inflation pump 45 of the sealing air bag 42 is started by the control console 71, the inflation pump 45 inflates the sealing air bag 42, so that the sealing air bag 42 expands and tightly presses the protective closed door body 1, and the inner and outer sealing rubber strips 41 and 43 are installed on the edges in contact with the protective closed door body 1. The flexible rubber material has good elasticity and sealing performance, and can compensate for the unevenness of the surface of the protective closed door body 1 to a certain extent, form a highly sealed detection space, effectively prevent gas leakage during detection, and improve the accuracy of detection. Then, the pressure regulating assembly 5 is started, according to the preset detection parameters, the helium gas is filled into the pipeline head 57 by the gas pump 51, the gas flows through the gas flow meter 62 and the pressure regulating valve 53 from the main pipeline 55 into the detection groove 31, thereby simulating a positive pressure environment. The pressure sensor 54 monitors the pressure value in the detection space in real time and transmits the pressure signal to the control console 71 for data processing. The control console 71 controls the opening of the pressure regulating valve 53 on the middle section pipeline 56 to accurately control the pressure and change rate in the detection space, which can simulate the pressure working condition from low pressure to high pressure to meet different detection requirements. The gas flow meter 62 detects the flow of the filled helium gas in real time and feeds back to the control console 71 for recording; During detection, the gas concentration sensors 61 are uniformly distributed at different positions of the detection groove 31 to monitor the concentration change of helium gas in the detection space in real time. When an abnormal decrease in gas concentration is detected, it can be judged that there is a leakage, and the approximate position of the leakage point can be determined through the concentration change data received near each gas concentration sensor 61. Then, the vacuum pump 52 is started to extract the helium gas in the detection space to make the detection groove 31 in a negative pressure state, and the gas flow meter 62 collects the gas flow data flowing through the pipeline again. The control console 71 can calculate the gas flow leaked through the leakage point per unit time through the difference between the two collected gas flow data, thereby quantifying the leakage amount and improving the accuracy of the detection result. When detecting, the pressure sensor 54 and the outer pressure sensor 63 respectively installed on both sides of the detection groove 31 measure the pressure difference inside and outside the detection space in real time, and the sealing performance of the protective sealed door is evaluated through the change of the pressure difference, which assists the gas concentration sensor 61 to make a leakage detection judgment, improves the detection accuracy, and at the same time, the temperature sensor 65 and the humidity sensor 64 monitor the temperature and humidity changes in the detection space in real time, which are used as reference data of external environment influence, so as to make more accurate analysis and correction on the detection result. When the scene where the high-precision protective sealed door is applied is in an abnormal climate area, the temperature adjusting assembly 8 is additionally arranged on one side of the detection back plate 32 of the detection device, the console 71 starts the semiconductor 87 to generate heat and cold on both sides of the semiconductor 87, when it is needed to simulate a lower temperature area, the electromagnetic valve 83 opens the sealed connecting pipeline 82 connected with the refrigeration heat dissipation surface 88, the refrigeration heat dissipation surface 88 continuously generates cold, which is brought into the detection groove 31 by the air flow of the ventilation fan 84, so that the environmental temperature is suddenly reduced, and the temperature sensor 64 is used for real-time feedback until the temperature reaches the preset detection environment temperature, then the electromagnetic valve 83 is closed to fill the gas for leakage detection, so as to more comprehensively reflect the sealing performance of the protective sealed door, and the detection data is observed in real time through the touch control screen 711, which is intuitive and efficient. When it is needed to simulate a higher temperature area, the electromagnetic valve 83 opens the sealed connecting pipeline 82 connected with the heating heat dissipation surface 88 to adjust the temperature.

[0046] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-precision intelligent detection device for the sealing performance of a protective sealed door, comprising a protective sealed door body (1) and a door frame (2) embedded with the protective sealed door body (1), characterized in that: The door frame (2) is embedded with a detection frame assembly (3) on one side, a sealing assembly (4) is arranged between the detection frame assembly (3) and the door frame (2), the inner side of the detection frame assembly (3) is connected with a pressure adjusting assembly (5) through a pipeline, a multi-parameter detection assembly (6) is arranged on the detection frame assembly (3), and the pressure adjusting assembly (5) is electrically connected with a control assembly (7). The detection frame assembly (3) comprises a detection groove (31) welded on a detection back plate (32), and a triangular frame (33) is fixed on one side of the detection groove (31) through screws, and the other side of the triangular frame (33) is fixed on the detection back plate (32) through screws. The pressure adjusting assembly (5) comprises a gas pump (51), a vacuum pump (52), a pressure regulating valve (53), a pressure sensor (54) and a pipeline, the gas pump (51) and the vacuum pump (52) are connected with the pipeline through a pipeline, the pressure regulating valve (53) is arranged on the pipeline, and the pressure sensor (54) is fixed on the back side of the detection back plate (32) through a sealing bolt and is connected with the detection groove (31). The multi-parameter detection assembly (6) comprises a gas concentration sensor (61), a gas flow meter (62), an outer pressure sensor (63), a temperature sensor (64) and a humidity sensor (65), the gas concentration sensor (61) is fixed on the bottom surface of the detection groove (31) through screws and is arranged at equal intervals, the gas flow meter (62) is arranged on the pipeline, and the outer pressure sensor (63) is fixed on the outer side of the detection back plate (32) through a bolt.

2. The high-precision intelligent detection device for the sealing performance of a protective sealed door according to claim 1, characterized in that: The temperature sensor (64) and the humidity sensor (65) are both fixed on the bottom surface of the detection groove (31) through screws, the control assembly (7) comprises a control console (71), the control console (71) is provided with a touch control screen (711), a plurality of manual valves (72) and pressure regulating valves (73) are arranged on one side of the touch control screen (711), and the control console (71) is electrically connected with the pressure sensor (54), the pressure regulating valve (53), the gas concentration sensor (61), the gas flow meter (62), the outer pressure sensor (63), the temperature sensor (64) and the humidity sensor (65).

3. The high-precision intelligent detection device for the sealing performance of a protective sealed door according to claim 2, characterized in that: The protective sealed door body (1) is provided with an opening and closing rotary disc (11) and a lock rod (12), a top plate (34) is welded on the top of the detection groove (31), a supporting plate (35) is welded on the bottom of the detection groove (31), and a pad plate (36) is welded on the supporting plate (35).

4. The high-precision intelligent detection device for the sealing performance of a protective sealed door according to claim 3, characterized in that: The bottom of the top plate (34) and the top of the pad plate (36) are both fixed with a limiting cylinder (37) through screws, the lock rod (12) is embedded in the limiting cylinder (37) and is in sliding fit, a supporting frame (38) is welded on the back side of the detection back plate (32), the supporting frame (38) has a triangular structure and is fixed on the ground through expansion screws.

5. The high-precision intelligent detection device for the sealing performance of a protective sealed door according to claim 4, characterized in that: The pipeline piece includes a main pipeline (55), a middle pipeline (56), and a pipeline head (57), one end of the pipeline head (57) is closed, the other end is connected with the middle pipeline (56) through a flange, the middle pipeline (56) is connected with the main pipeline (55) through a flange, and the main pipeline (55) is welded on the back side of the detection back plate (32) and communicates with the detection groove (31).

6. The high-precision intelligent detection device for the sealing performance of a protective sealed door according to claim 5, characterized in that: The pipeline head (57) is connected with a gas pump (51) and a vacuum pump (52) on both sides, the gas flow meter (62) and the pressure regulating valve (53) are both installed on the middle pipeline (56), and the gas flow meter (62) is farther away from the pipeline head (57) than the pressure regulating valve (53).

7. The high-precision intelligent detection device for the sealing performance of a protective sealed door according to claim 1, characterized in that: The sealing assembly (4) includes an inner sealing rubber strip (41), a sealing air bag (42), and an outer sealing rubber strip (43), an air pipe (44), and an inflation pump (45), the inner sealing rubber strip (41) and the outer sealing rubber strip (43) are both adhered on the inner side of the edge of the detection groove (31) through strong glue, and the inner sealing rubber strip (41) and the outer sealing rubber strip (43) are both made of flexible latex material.

8. The high-precision intelligent detection device for the sealing performance of a protective sealed door according to claim 7, characterized in that: The inner sealing rubber strip (41) is closer to the bottom surface of the detection groove (31) than the outer sealing rubber strip (43), the sealing air bag (42) is arranged between the outer sealing rubber strip (43) and the inner sealing rubber strip (41), one side of the sealing air bag (42) is connected with the air pipe (44), and the air pipe (44) penetrates through the detection groove (31) and is connected with the inflation pump (45).

9. The high-precision intelligent detection device for the sealing performance of a protective sealed door according to claim 1, characterized in that: A temperature adjusting assembly (8) is additionally arranged on one side of the detection back plate (32), the temperature adjusting assembly (8) includes a support table (81), a sealing connecting pipeline (82), an electromagnetic valve (83), a ventilation fan (84), a split box (85), a ventilation pipeline (86), and a semiconductor component, the semiconductor component is fixed on the support table (81) through bolts, one end of the sealing connecting pipeline (82) is locked on the back side of the detection back plate (32) and communicates with the detection groove (31), the other end communicates with the split box (85), and the electromagnetic valve (83) is installed on the sealing connecting pipeline (82).

10. The high-precision intelligent detection device for the sealing performance of a protective sealed door according to claim 9, characterized in that: The semiconductor component includes a semiconductor (87), a refrigeration heat dissipation surface (88), and a heating heat dissipation surface (89), the semiconductor (87) is attached between the refrigeration heat dissipation surface (88) and the heating heat dissipation surface (89) and is fixed through screws, the split box (85) is fixed on both sides of the semiconductor component through screws and covers the outside of the refrigeration heat dissipation surface (88) and the heating heat dissipation surface (89), the ventilation pipeline (86) is welded on one side of the split box (85) and is in communication, the ventilation fan (84) is fixed on one end of the ventilation pipeline (86) through screws, and the electromagnetic valve (83) is electrically connected with the control table (71).

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