Multifunctional high-low temperature low-pressure test chamber

Abstract

The present application relates to the technical field of test chamber, especially to a multifunctional high-low temperature and low air pressure test chamber. The present application is mainly aimed at the existing detection mode of folding mobile phone environmental adaptability, which adopts separate equipment and separate stage targeted detection mode, and has the problems of high cost of detection equipment procurement and site occupation, and complicated and lengthy detection process. The present application proposes the following technical scheme, including a one-side opening outer box body; an inner box arranged in the outer box body, the inner box comprising a lower box body and an upper box body above the lower box body; a gland mechanism installed on the top of the outer box body, the gland mechanism being used to drive the upper box body to rise and fall; an installation assembly located in the lower box body, the installation assembly comprising a fixed plate and a rotating plate, two sets of rotating connection mechanisms being arranged between the fixed plate and the rotating plate, and the fixed plate and the rotating plate being rotationally connected through the rotating connection mechanisms. The present application can realize the cost reduction and efficiency increase of folding mobile phone environmental adaptability detection, simplify the detection process and improve the detection convenience.

Description

Technical Field

[0001] This invention relates to the field of test chamber technology, and in particular to a multifunctional high and low temperature low pressure test chamber. Background Technology

[0002] With the rapid development of mobile communication technology, foldable phones, with their advantages of deformability, large display area, and portability, have gradually become one of the mainstream products in the consumer electronics field. Foldable phones are used in a variety of complex scenarios, potentially facing extreme environments such as high temperatures, low temperatures, and high altitudes with low air pressure. These environmental factors directly affect the phone's structural stability, electronic component performance, and overall lifespan. Therefore, comprehensive environmental adaptability testing is crucial during the research and development and mass production stages of foldable phones, serving as a core element in ensuring product quality and user experience.

[0003] Currently, the industry generally adopts a targeted testing model that involves different equipment and stages for environmental adaptability testing of foldable phones. Specifically, when it is necessary to test the performance of foldable phones in high or low temperature environments, a dedicated high and low temperature test chamber is required. When it is necessary to test their operation in low-pressure environments, a dedicated low-pressure test chamber is required. This type of testing model requires multiple testing devices with different functions, which not only significantly increases the cost of purchasing testing equipment and occupying space, but also makes the testing process cumbersome and lengthy. In view of this, this invention proposes a multifunctional high and low temperature low-pressure test chamber. Summary of the Invention

[0004] The purpose of this invention is to address the problems in the existing environmental adaptability testing of foldable mobile phones, which uses a segmented testing mode with different equipment and stages, resulting in high costs for equipment procurement and site occupancy, and a cumbersome and lengthy testing process. The invention proposes a multifunctional high and low temperature and low pressure test chamber.

[0005] The technical solution of this invention is as follows: A multifunctional high and low temperature low pressure test chamber includes an outer box with an opening on one side; an inner box disposed within the outer box, the inner box including a lower box and an upper box above it; a pressure cover mechanism installed on the top of the outer box, the pressure cover mechanism being used to drive the upper box to rise and fall; an installation assembly located in the lower box, the installation assembly including a fixed plate and a rotating plate, the fixed plate and the rotating plate being provided with two sets of rotating connection mechanisms, the fixed plate and the rotating plate being rotatably connected through the rotating connection mechanisms; two sets of clamping and positioning assemblies respectively installed on the sides of the fixed plate and the rotating plate, the clamping and positioning assemblies being used to clamp the folding mobile phone to be tested; a folding drive mechanism disposed on the installation assembly, the folding drive mechanism being used to drive the fixed plate and the rotating plate to rotate relative to each other to fold the mobile phone; a deflection adjustment assembly located on the side of the inner box, the deflection adjustment assembly being used to drive the mobile phone to deflect; a temperature and humidity control system, a vacuum system, and a water supply system, to meet various environmental requirements for mobile phone testing.

[0006] Optionally, a door is hinged to one side of the outer casing opening, and a first observation window is provided on both the side of the outer casing and the door.

[0007] Optionally, a sealing ring is provided between the lower box and the upper box, a second observation window is provided on the upper box, a drain pipe is connected to the bottom of the lower box, a solenoid valve is installed at the bottom of the drain pipe, and the bottom of the lower box is fixed by multiple sets of support columns.

[0008] Optionally, the capping mechanism includes a synchronization plate fixedly connected to the outside of the upper housing. Multiple sets of first electric push rods are installed on the top of the outer housing. The output end of the first electric push rod passes through the top of the outer housing and is fixedly connected to the synchronization plate. Multiple sets of first limiting rods are fixedly connected to the top of the first electric push rod. The first limiting rod passes through the top of the outer housing and slides with it. A limiting cylinder is slidably sleeved on the outer ring of the first limiting rod. The limiting cylinder is fixedly connected to the top wall of the outer housing.

[0009] Optionally, a mounting plate is fixedly connected to the end of the fixed plate away from the rotating plate. The mounting plate is L-shaped, and a rotating column is fixedly connected in the mounting plate. The rotating column passes through the lower housing and rotates with it.

[0010] Optionally, the rotating connection mechanism includes two sets of connecting plates, which are Z-shaped. The two sets of connecting plates are fixedly connected to the adjacent side surfaces of the fixed plate and the rotating plate, respectively. A horizontal plate is fixedly connected to each of the two sets of connecting plates. The two sets of horizontal plates are staggered. A rotating shaft passes through the two sets of horizontal plates. The rotating shaft and the rotating plate are fixedly connected to the same set of horizontal plates. The other set of horizontal plates rotates with the rotating shaft. The rotating shaft is located between the two sets of connecting plates. A positioning ring is fixedly sleeved on the outer ring of the rotating shaft. The positioning ring is located between the two sets of horizontal plates.

[0011] Optionally, the clamping and positioning assembly includes a mounting frame fixedly connected to the side of a fixed plate or a rotating plate. The mounting frame is U-shaped. Multiple sets of first slide rods are slidably connected to the bottom of the mounting frame. A first clamping plate is fixedly connected to the top of the multiple sets of first slide rods. A spring is sleeved on the outer ring of each first slide rod. The spring is located between the mounting frame and the first clamping plate. A first limiting plate is fixedly connected to the bottom of the spring. Multiple sets of second slide rods are slidably connected to the top of the mounting frame. A second clamping plate is fixedly connected to the bottom of the multiple sets of second slide rods. A second limiting plate is installed on the top of each second slide rod. A threaded rod is threadedly connected to the top of the mounting frame. A knob is installed on the top of the threaded rod.

[0012] Optionally, the folding drive mechanism includes gears mounted on a set of rotating shafts at the end away from the connecting plate. A rack meshes with the gears on one side. Two sets of side plates are fixedly connected to the racks near the fixed plate. Multiple sets of second limiting rods are fixedly connected between the two sets of side plates. A limiting block is slidably connected to the multiple sets of second limiting rods. The limiting block is fixedly connected to the fixed plate. A second electric push rod is mounted on the mounting plate at the side away from the fixed plate. The output end of the second electric push rod passes through the mounting plate and is fixedly connected to a set of side plates.

[0013] Optionally, the deflection adjustment assembly includes a first sprocket fixedly connected to the rotating column, a chain being sleeved on the first sprocket, a servo motor being disposed below the outer housing, and the output end of the servo motor being connected to the chain via a second sprocket.

[0014] Optionally, both the vacuum system and the water supply system are provided with pipes that penetrate the lower housing, and the outlet of the water supply system is downward and equipped with a nozzle.

[0015] In summary, this application includes at least one of the following beneficial technical effects: This invention integrates a temperature and humidity control system, a vacuum system, and a water supply system into a single device, which can directly simulate various extreme environments such as high and low temperatures, low air pressure, and rainy days, without the need to transfer and test foldable phones between different devices as required by existing technologies. Furthermore, by setting up a folding drive mechanism, the rotating plate is driven to rotate relative to the fixed plate through components such as gears, racks, and a second electric push rod, accurately simulating the folding condition of a mobile phone; In summary, this invention can reduce costs and increase efficiency in the environmental adaptability testing of foldable mobile phones, simplify the testing process, and improve testing convenience. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of a multifunctional high and low temperature low pressure test chamber; Figure 2 This is a partial structural diagram of the deflection adjustment component; Figure 3 This is a cross-sectional structural diagram of the lower housing; Figure 4 This is a structural diagram of the fixed plate and the rotating plate; Figure 5 yes Figure 4 A schematic diagram of the cross-sectional structure; Figure 6 yes Figure 5 Enlarged diagram of point A in the middle.

[0017] Figure label: 1. Outer casing; 11. Door; 12. First observation window; 2. Inner box; 21. Lower box; 22. Upper box; 23. Second observation window; 24. Drain pipe; 25. Support column; 3. Capping mechanism; 31. Synchronizing plate; 32. First electric push rod; 33. First limiting rod; 34. Limiting cylinder; 4. Installation components; 41. Fixing plate; 42. Rotating plate; 43. Mounting plate; 44. Rotating column; 5. Rotating connection mechanism; 51. Connecting plate; 52. Horizontal plate; 53. Rotating shaft; 54. Positioning ring; 6. Clamping and positioning assembly; 61. Mounting frame; 62. First slide rod; 63. First clamping plate; 64. Spring; 65. First limiting plate; 66. Second slide rod; 67. Second clamping plate; 68. Second limiting plate; 69. Threaded rod; 7. Folding drive mechanism; 71. Gear; 72. Rack; 73. Side plate; 74. Second limit rod; 75. Limit block; 76. Second electric push rod; 8. Deflection adjustment assembly; 81. First sprocket; 82. Chain. Detailed Implementation

[0018] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0019] The components of the embodiments of the invention described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0020] Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0023] Example: Figure 1 As shown, the present invention proposes a multifunctional high and low temperature low pressure test chamber, comprising an outer casing 1 with an opening on one side, a door 11 hinged to the opening side of the outer casing 1, and a lock for fixing the outer casing 1 and the door 11. A sealing ring is provided at the edge of the door 11 to ensure airtightness when the door 11 is closed, thereby ensuring the stability of the internal environment of the outer casing 1. First observation windows 12 are provided on the side of the outer casing 1 and on the door 11 to facilitate observation of the testing status of the internal mobile phone. The first observation windows 12 are made of tempered glass or transparent polycarbonate (PC) board, ensuring clear observation while providing good sealing and protection performance.

[0024] For further details, please refer to Figures 1 to 3The aforementioned test chamber includes an inner chamber 2 housed within an outer chamber 1. The inner chamber 2 comprises a lower chamber 21 and an upper chamber 22. A sealing ring is installed between the lower and upper chambers 21, forming a hollow structure when the upper chamber 22 is placed on top of the lower chamber 21. This hollow structure provides an independent testing space for mobile phone testing. A second observation window 23 is provided on the upper chamber 22 to facilitate observation of the mobile phone inside both the lower and upper chambers 21. The second observation window 23 is made of the same material as the first observation window 12 to ensure effective observation. A drain pipe 24 is connected to the bottom of the lower chamber 21 to drain residual water after testing, preventing water accumulation from affecting subsequent tests. A solenoid valve is installed at the bottom of the drain pipe 24 to control its opening and closing. This solenoid valve is a high-pressure solenoid valve, ensuring a blocking effect under high pressure to prevent leakage during testing. The bottom of the lower housing 21 is fixed by multiple sets of support columns 25. The support columns 25 play a role in stabilizing and supporting the lower housing 21, avoiding the problem of uneven heat transfer or stress caused by the lower housing 21 directly contacting the bottom of the outer housing 1.

[0025] Furthermore, the aforementioned test chamber includes a cover mechanism 3 installed on the top of the outer chamber 1. The cover mechanism 3 is used to drive the upper chamber 22 to rise and fall, thereby opening and closing the inner chamber 2. The cover mechanism 3 includes a synchronization plate 31 fixedly connected to the outside of the upper chamber 22. The synchronization plate 31 moves synchronously with the upper chamber 22 to ensure smooth lifting and lowering of the upper chamber 22. Multiple sets of first electric push rods 32 are installed on the top of the outer chamber 1. The output end of the first electric push rod 32 passes through the top of the outer chamber 1 and is fixedly connected to the synchronization plate 31. After the first electric push rod 32 is started, it drives the synchronization plate 31 to rise and fall, thereby driving the upper chamber 22 to rise and fall. The multiple sets of first electric push rods 32 are connected by a motor controller to ensure that the output stroke is the same, preventing the synchronization plate 31 from tilting during movement and ensuring precise fit between the upper chamber 22 and the lower chamber 21. Multiple sets of first limiting rods 33 are fixedly connected to the top of the first electric push rod 32. The first limiting rods 33 penetrate the top of the outer housing 1 and slide with it. A limiting cylinder 34 is slidably installed on the outer ring of the first limiting rod 33. The limiting cylinder 34 is fixedly connected to the top wall of the outer housing 1. Through the limiting effect of the first limiting rods 33 and the limiting cylinder 34, the movement of the synchronous plate 31 is made smooth, further improving the stability of the lifting of the upper housing 22.

[0026] Specifically, such as Figure 3 and Figure 4As shown, the aforementioned test chamber includes a mounting assembly 4 located in the lower chamber 21. The mounting assembly 4 includes a fixed plate 41 and a rotating plate 42. Two sets of rotating connection mechanisms 5 are provided between the fixed plate 41 and the rotating plate 42. The fixed plate 41 and the rotating plate 42 are rotatably connected through the rotating connection mechanisms 5, providing a rotational basis for the mobile phone folding detection. A mounting plate 43 is fixedly connected to the end of the fixed plate 41 away from the rotating plate 42. The mounting plate 43 is L-shaped, and the fixed plate 41 and the mounting plate 43 move synchronously, with the mounting plate 43 serving a connecting and fixing function. A rotating column 44 is fixedly connected to the mounting plate 43. The rotating column 44 passes through the lower chamber 21 and rotates with it. When the rotating column 44 rotates, the entire mounting assembly 4 rotates, which can drive the mobile phone to adjust the detection angle.

[0027] For further details, please refer to Figures 4 to 6 The rotating connection mechanism 5 includes two sets of connecting plates 51, which are Z-shaped. The two sets of connecting plates 51 are fixedly connected to the adjacent side of the fixed plate 41 and the rotating plate 42, respectively. When the rotating plate 42 rotates, the connecting plate 51 to which it is fixed rotates relative to the other set of connecting plates 51, realizing the relative rotation of the fixed plate 41 and the rotating plate 42. Horizontal plates 52 are fixedly connected to the two sets of connecting plates 51, and the two sets of horizontal plates 52 are staggered. A rotating shaft 53 passes through the two sets of horizontal plates 52. The rotating shaft 53 and the rotating plate 42 are fixedly connected to the same set of horizontal plates 52. The other set of horizontal plates 52 rotates in cooperation with the rotating shaft 53. Thus, when the rotating shaft 53 rotates, it drives the rotating plate 42 to rotate through the horizontal plates 52 and the connecting plates 51, with the axis of the rotating shaft 53 as the center of rotation. The axis of the rotating shaft 53 is aligned with the folding axis of the mobile phone to ensure that the actual folding state of the mobile phone is simulated. The rotating shaft 53 is located between two sets of connecting plates 51. A positioning ring 54 is fixedly sleeved on the outer ring of the rotating shaft 53. The positioning ring 54 is set between two sets of horizontal plates 52. The positioning ring 54 is used to position and support the horizontal plates 52 to prevent the horizontal plates 52 from shifting during rotation.

[0028] Furthermore, such as Figures 3 to 5As shown, the test chamber also includes two sets of clamping and positioning components 6 respectively installed on the sides of the fixed plate 41 and the rotating plate 42. The clamping and positioning components 6 are used to clamp the folding mobile phone to be tested. The two sets of clamping and positioning components 6 clamp the two ends of the folding mobile phone respectively to ensure that the position of the mobile phone is fixed during the test. The clamping and positioning components 6 include a mounting frame 61 fixedly connected to the side of the fixed plate 41 or the rotating plate 42. The mounting frame 61 is U-shaped and provides a mounting base for the clamping structure. Multiple sets of first sliding rods 62 are slidably connected to the bottom of the mounting frame 61. The top of the multiple sets of first sliding rods 62 are fixedly connected to a first clamping plate 63. The setting of the first sliding rods 62 makes the movement of the first clamping plate 63 smooth, ensuring the stability of the clamping process. A spring 64 is fitted around the outer ring of the first slide rod 62. The spring 64 is located between the mounting frame 61 and the first clamping plate 63. The spring 64's elastic force brings the first clamping plate 63 closer to the phone, providing elastic clamping for the phone. Simultaneously, the spring 64 prevents excessive pressure from damaging the phone, protecting it from damage. A first limiting plate 65 is fixedly connected to the bottom of the spring 64, preventing the first slide rod 62 from detaching from the mounting frame 61 and ensuring structural integrity. Multiple sets of second slide rods 66 are slidably connected to the top of the mounting frame 61. The bottoms of these second slide rods 66 are all fixedly connected to a second clamping plate 67. The second slide rods 66 ensure smooth movement of the second clamping plate 67, cooperating with the first clamping plate 63 to achieve bidirectional clamping. A second limiting plate 68 is installed on the top of the second slide rod 66 to prevent it from detaching from the mounting frame 61, ensuring structural stability. A threaded rod 69 is threadedly connected to the top of the mounting frame 61. When rotated, the threaded rod 69 moves along its length. When the phone is placed between the first clamping plate 63 and the second clamping plate 67, rotating the threaded rod 69 moves it and pushes the second clamping plate 67 to press the phone against the side away from the first clamping plate 63. The first clamping plate 63, in conjunction with the second clamping plate 67, securely holds the phone. This design is suitable for phones of different thicknesses. A knob is installed at the top of the threaded rod 69, facilitating rotation and improving ease of operation.

[0029] It is worth mentioning that the mounting frame 61 is detachably connected to the fixing plate 41 and the rotating plate 42 by bolts, which makes it easy to replace different clamping and positioning components 6 to clamp mobile phones of different sizes and folding directions. At the same time, the fixed position of the mounting frame 61 can be adjusted by bolt fixing position, improving the versatility of the device.

[0030] Furthermore, the aforementioned test chamber includes a folding drive mechanism 7 mounted on the mounting assembly 4. The folding drive mechanism 7 drives the fixed plate 41 and the rotating plate 42 to rotate relative to each other, folding the phone and simulating the actual folding action of the phone. The folding drive mechanism 7 includes a gear 71 mounted on a set of rotating shafts 53 at the end away from the connecting plate 51. When the gear 71 rotates, it drives the rotating shaft 53 to rotate, thereby driving the rotating plate 42 to rotate through the connecting plate 51 and the horizontal plate 52, achieving precise folding of the phone. A rack 72 meshes with the gear 71 on one side. When the rack 72 moves, it drives the gear 71 to rotate synchronously, converting linear motion into rotational motion. Two sets of side plates 73 are fixedly connected to the rack 72 near the fixed plate 41. Multiple sets of second limiting rods 74 are fixedly connected between the two sets of side plates 73. The side plates 73 and the second limiting rods 74 move synchronously with the rack 72, serving a reinforcing and limiting function. Multiple sets of second limiting rods 74 are slidably connected to limiting blocks 75. The limiting blocks 75 are fixedly connected to the fixing plate 41, and their positions are fixed. Together with the multiple sets of second limiting rods 74, they play a limiting role, making the movement of the rack 72 smooth and ensuring the stability of the rotation of the gear 71. A second electric push rod 76 is installed on the side of the mounting plate 43 away from the fixing plate 41. The output end of the second electric push rod 76 passes through the mounting plate 43 and is fixedly connected to a set of side plates 73. After the second electric push rod 76 is activated, it drives the side plates 73 to move, thereby driving the rack 72 to move synchronously and providing power for the folding action.

[0031] Please see Figure 2 The aforementioned test chamber includes a deflection adjustment assembly 8 located on the side of the inner chamber 2. This assembly is used to deflect the mobile phone, meeting the testing requirements at different angles. The deflection adjustment assembly 8 includes a first sprocket 81 fixedly connected to the rotating column 44. A chain 82 is fitted onto the first sprocket 81. A servo motor is located below the outer chamber 1. The output end of the servo motor is connected to the chain 82 via a second sprocket. After the servo motor starts, it drives the first sprocket 81 to rotate via the second sprocket and the chain 82, thereby rotating the rotating column 44 and adjusting the deflection of the mobile phone. The servo motor is installed within a sealed space, which is connected to the outer chamber 1 through a hole in the chain 82, ensuring overall sealing and preventing interference with the testing environment.

[0032] Finally, the aforementioned test chamber also includes a temperature and humidity control system, a vacuum system, and a water supply system to meet the various environmental requirements of mobile phone testing. The temperature and humidity control system includes a temperature and humidity sensor, a heater, an evaporator, a humidifier, and a dehumidifier installed inside the outer chamber 1. The temperature and humidity sensor monitors the temperature and humidity data inside the outer chamber 1 in real time. The heater and evaporator are used to heat and cool, respectively. The humidifier increases the ambient humidity, and the dehumidifier reduces the ambient humidity, working together to simulate high and low temperatures and high and low humidity environments. The vacuum system includes a vacuum pump, a pressure sensor, a suction regulating valve, and a vacuum valve. The vacuum pump extracts gas from the inner chamber 2 to create a low-pressure environment. The pressure sensor monitors the pressure value inside the inner chamber 2. The suction regulating valve and vacuum valve adjust the suction rate and control the opening and closing of the vacuum channel. The water supply system includes a water storage tank, water supply pipelines, a booster pump, and nozzles. The water storage tank stores the test water, the water supply pipelines transport the water, the booster pump increases the water pressure to simulate a deep-water environment, and the nozzles are shower heads to spray water downwards onto the phone, simulating a rainy day. Both the vacuum system and the water supply system have pipes running through the lower chamber 21. The connections between the pipes and the lower chamber 21 are sealed to ensure the airtightness of the inner chamber 2. The temperature and humidity control system, vacuum system, and water supply system are all existing technologies and will not be described in detail here.

[0033] It is worth mentioning that the outer casing 1 and the inner casing 2 are sealed with rubber sleeves at the points where various components or cables pass through.

[0034] In this embodiment, firstly, the door 11 of the outer casing 1 is opened by the latch, and multiple sets of first electric push rods 32 in the cover mechanism 3 are activated. The output end of the first electric push rod 32 extends, driving the synchronous plate 31 to rise and fall. The synchronous plate 31 drives the upper casing 22 to rise synchronously, so that the inner casing 2 is in the open state. During this process, the first limiting rod 33 at the top of the first electric push rod 32 slides along the limiting cylinder 34 to ensure that the synchronous plate 31 and the upper casing 22 rise and fall smoothly and avoid tilting. Then, the folding mobile phone to be tested is placed between the two sets of clamping and positioning components 6 corresponding to the fixing plate 41 and the rotating plate 42 of the mounting component 4. First, the first clamping plate 63 is pushed down. The first clamping plate 63 drives the first sliding rod 62 to slide along the mounting frame 61 and compress the spring 64. One end of the mobile phone is placed above the first clamping plate 63. After the first clamping plate 63 is released, the spring 64 returns to its original position and pushes the first clamping plate 63 upward to fit the mobile phone. Rotate the knob at the top of the threaded rod 69 to move it downwards along the mounting frame 61, pushing the second clamping plate 67 downwards along the second slide bar 66 until the second clamping plate 67 engages with the first clamping plate 63 to clamp the end of the phone. The first limiting plate 65 prevents the first slide bar 62 from disengaging from the mounting frame 61, and the second limiting plate 68 prevents the second slide bar 66 from disengaging from the mounting frame 61, ensuring the stability of the clamping structure. To accommodate phones of different sizes or folding orientations, the bolts connecting the mounting frame 61 to the fixing plate 41 and the rotating plate 42 can be removed, and the corresponding clamping and positioning components 6 can be replaced, or the fixed position of the mounting frame 61 can be adjusted.

[0035] After the phone is clamped, the first electric push rod 32 is activated in reverse. The output end of the first electric push rod 32 retracts, causing the synchronous plate 31 and the upper housing 22 to move downwards, pressing the upper housing 22 against the lower housing 21. The sealing ring between the lower housing 21 and the upper housing 22 ensures the sealing of the inner housing 2. Then, the door 11 is closed and secured with a latch. The sealing ring at the edge of the door 11 further ensures the sealing of the outer housing 1, providing a sealed space for subsequent environmental simulation. The operator can observe the status of the internal phone in real time through the first observation window 12 on the side of the outer housing 1 and the second observation window 23 on the upper housing 22.

[0036] According to the testing requirements, the second electric push rod 76 is activated. The output end of the second electric push rod 76 extends and retracts, causing the side plate 73 to move. The side plate 73 drives the rack 72 to move synchronously. At the same time, the second limiting rod 74 between the side plates 73 slides along the limiting block 75 to ensure the smooth movement of the rack 72. The rack 72 meshes with the gear 71, driving the gear 71 to rotate. The gear 71 drives the rotating shaft 53 to rotate synchronously. The rotating shaft 53 drives the rotating plate 42 to rotate relative to the fixed plate 41 through the horizontal plate 52 and the connecting plate 51, realizing the folding and unfolding of the mobile phone. Among them, the positioning ring 54 on the outer ring of the rotating shaft 53 provides positioning support for the two sets of horizontal plates 52 to prevent rotational deviation. The axis of the rotating shaft 53 is consistent with the folding axis of the mobile phone to ensure the simulation of the folding condition is realistic. To test the phone's performance at different deflection angles, the servo motor in the deflection adjustment assembly 8 is activated. The servo motor's output drives the second sprocket to rotate, which in turn drives the first sprocket 81 to rotate via the chain 82. The first sprocket 81 then drives the rotating column 44 to rotate, which in turn drives the mounting plate 43 and the entire mounting assembly 4 to rotate synchronously, thereby deflecting the phone to the target angle. The servo motor is installed within a sealed space, and this sealed space is connected to the outer housing 1 via the hole through which the chain 82 passes, ensuring that the overall sealing performance is not affected.

[0037] The temperature and humidity control system is activated. Temperature and humidity sensors monitor the temperature and humidity data inside the outer chamber 1 in real time. The controller controls the heater to heat up, the evaporator to cool down, the humidifier to humidify, or the dehumidifier to dehumidify according to the target parameters, achieving precise control of the temperature and humidity of the testing environment. The vacuum system is activated. A vacuum pump extracts gas from the inner chamber 2 through a pipe penetrating the lower chamber 21. A pressure sensor monitors the pressure value inside the inner chamber 2 in real time. The extraction rate is controlled by adjusting the extraction valve. When the pressure reaches the target value, the vacuum valve is closed to maintain a low pressure state. The water supply system is activated. Water in the water tank is transported through the water supply pipeline. A pressurization pump increases the water pressure, and finally, a water jet is sprayed downwards onto the surface of the phone through the nozzle, simulating a rainy day usage scenario. Water generated during the test is discharged through the drain pipe 24 at the bottom of the lower chamber 21. The drainage is controlled by the high-pressure solenoid valve at the bottom of the drain pipe 24. The high-pressure solenoid valve ensures the blocking effect under high pressure environment to prevent water leakage. At the same time, water can be injected into the inner chamber 2, and the phone can be rotated into the water by the deflection adjustment component 8 for underwater testing.

[0038] The above specific embodiments are merely optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A multifunctional high and low temperature low pressure test chamber, characterized in that, include: Outer casing with an opening on one side (1); The inner box (2) is disposed in the outer box (1), and the inner box (2) includes a lower box (21) and an upper box (22) above it. The pressure cover mechanism (3) installed on the top of the outer box (1) is used to drive the upper box (22) to rise and fall; The mounting assembly (4) located in the lower housing (21) includes a fixed plate (41) and a rotating plate (42). Two sets of rotating connection mechanisms (5) are provided between the fixed plate (41) and the rotating plate (42). The fixed plate (41) and the rotating plate (42) are rotatably connected by the rotating connection mechanisms (5). Two sets of clamping and positioning components (6) are respectively installed on the sides of the fixed plate (41) and the rotating plate (42). The clamping and positioning components (6) are used to clamp the folding mobile phone to be tested. The folding drive mechanism (7) is provided on the mounting assembly (4) and is used to drive the fixed plate (41) and the rotating plate (42) to rotate relative to each other so that the mobile phone folds. The deflection adjustment component (8) is located on the side of the inner box (2), and the deflection adjustment component (8) is used to drive the mobile phone to deflect; Temperature and humidity control system, vacuum system and water supply system are used to meet the various environmental requirements of mobile phone testing.

2. The multifunctional high and low temperature low pressure test chamber according to claim 1, characterized in that, The outer casing (1) has a door (11) hinged to one side of the opening, and a first observation window (12) is provided on the side of the outer casing (1) and on the door (11).

3. The multifunctional high and low temperature low pressure test chamber according to claim 2, characterized in that, A sealing ring is provided between the lower box (21) and the upper box (22). A second observation window (23) is provided on the upper box (22). A drain pipe (24) is connected to the bottom of the lower box (21). A solenoid valve is installed at the bottom of the drain pipe (24). The bottom of the lower box (21) is fixed by multiple sets of support columns (25).

4. A multifunctional high and low temperature low pressure test chamber according to claim 3, characterized in that, The capping mechanism (3) includes a synchronization plate (31) fixedly connected to the outside of the upper box (22). Multiple sets of first electric push rods (32) are installed on the top of the outer box (1). The output end of the first electric push rod (32) passes through the top of the outer box (1) and is fixedly connected to the synchronization plate (31). Multiple sets of first limiting rods (33) are fixedly connected to the top of the first electric push rod (32). The first limiting rod (33) passes through the top of the outer box (1) and slides with it. A limiting sleeve (34) is slidably sleeved on the outer ring of the first limiting rod (33). The limiting sleeve (34) is fixedly connected to the top wall of the outer box (1).

5. A multifunctional high and low temperature low pressure test chamber according to claim 4, characterized in that, The fixed plate (41) is fixedly connected to the mounting plate (43) at the end away from the rotating plate (42). The mounting plate (43) is L-shaped. A rotating column (44) is fixedly connected in the mounting plate (43). The rotating column (44) passes through the lower box (21) and rotates with it.

6. A multifunctional high and low temperature low pressure test chamber according to claim 5, characterized in that, The rotating connection mechanism (5) includes two sets of connecting plates (51). The connecting plates (51) are Z-shaped. The two sets of connecting plates (51) are fixedly connected to the side of the fixed plate (41) and the rotating plate (42) respectively. The two sets of connecting plates (51) are respectively fixedly connected to the horizontal plates (52). The two sets of horizontal plates (52) are staggered. A rotating shaft (53) is passed through the two sets of horizontal plates (52). The rotating shaft (53) and the rotating plate (42) are fixedly connected to the same set of horizontal plates (52). The other set of horizontal plates (52) is rotatably engaged with the rotating shaft (53). The rotating shaft (53) is located between the two sets of connecting plates (51). A positioning ring (54) is fixedly sleeved on the outer ring of the rotating shaft (53). The positioning ring (54) is located between the two sets of horizontal plates (52).

7. A multifunctional high and low temperature low pressure test chamber according to claim 6, characterized in that, The clamping and positioning assembly (6) includes a mounting frame (61) fixedly connected to the side of the fixed plate (41) or the rotating plate (42). The mounting frame (61) is shaped like a "U". Multiple sets of first slide rods (62) are slidably connected to the bottom of the mounting frame (61). A first clamping plate (63) is fixedly connected to the top of the multiple sets of first slide rods (62). A spring (64) is sleeved on the outer ring of the first slide rod (62). The spring (64) is located between the mounting frame (61) and the first clamping plate (63). A first limiting plate (65) is fixedly connected to the bottom of the spring (64). Multiple sets of second slide rods (66) are slidably connected to the top of the mounting frame (61). A second clamping plate (67) is fixedly connected to the bottom of the multiple sets of second slide rods (66). A second limiting plate (68) is installed on the top of the second slide rods (66). A threaded rod (69) is threadedly connected to the top of the mounting frame (61). A knob is installed on the top of the threaded rod (69).

8. A multifunctional high and low temperature low pressure test chamber according to claim 7, characterized in that, The folding drive mechanism (7) includes a gear (71) mounted on a set of rotating shafts (53) away from the connecting plate (51). A rack (72) meshes with the gear (71) on one side. Two sets of side plates (73) are fixedly connected to the rack (72) near the fixed plate (41). Multiple sets of second limiting rods (74) are fixedly connected between the two sets of side plates (73). Limiting blocks (75) are slidably connected to the multiple sets of second limiting rods (74). The limiting blocks (75) are fixedly connected to the fixed plate (41). A second electric push rod (76) is mounted on the mounting plate (43) away from the fixed plate (41). The output end of the second electric push rod (76) passes through the mounting plate (43) and is fixedly connected to a set of side plates (73).

9. A multifunctional high and low temperature low pressure test chamber according to claim 8, characterized in that, The deflection adjustment assembly (8) includes a first sprocket (81) fixedly connected to the rotating column (44), a chain (82) is sleeved on the first sprocket (81), a servo motor is provided below the outer casing (1), and the output end of the servo motor is connected to the chain (82) through a second sprocket.

10. A multifunctional high and low temperature low pressure test chamber according to claim 1, characterized in that, Both the vacuum system and the water supply system are equipped with pipes that penetrate the lower housing (21), and the outlet of the water supply system is downward and equipped with a nozzle.

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