FDM module aging test equipment
By designing a transfer cart, test cabinet, air conditioner, and air duct system, the problem of inconsistent product environments across multiple modules in traditional aging test equipment was solved, achieving improved efficiency and consistent results in multi-product aging tests.
Patent Information
- Application Number
- CN202422823608.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-19
Smart Images

Figure CN223449763U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to aging test equipment, especially to a kind of FDM module aging test equipment. BACKGROUND
[0002] FDM (Fused Deposition Modeling) process is developed by American scholar Scott Crump in 1988. The material of FDM is generally thermoplastic material, such as wax, ABS, nylon, etc. It is supplied in the form of a filament. The material is heated and melted in the nozzle, and the nozzle moves along the part section contour and filling track, while the melted material is extruded, and the material quickly solidifies and coagulates with the surrounding material.
[0003] As a 3D printing technology, FDM technology itself is particularly important to ensure the long-term performance and reliability of printed parts as 3D printing technology is popularized in the industrial field. Therefore, the aging test equipment for FDM printed parts emerges as the times require, aiming to simulate and accelerate various environmental stresses that these parts may encounter in actual use, such as temperature cycling, humidity, etc., to evaluate and improve their long-term stability. The original intention of the utility model of such test equipment is likely to respond to the following industry needs: 1. Quality control: as FDM parts are increasingly used in aerospace, automotive, medical and other fields, the requirements for part durability and reliability are increasingly strict. 2. Material research and development: the continuous emergence of new materials requires corresponding testing methods to verify their performance under long-term use conditions. 3. Standardization: industry standardization organizations may promote aging tests as a necessary step to certify that FDM products meet certain performance standards.
[0004] Traditional aging test equipment can only test one module product, even if it can test multiple module products at the same time, due to the different positions of each module product in the test equipment, it cannot guarantee the consistency of the test environment of the module products in the same batch, resulting in poor test results of the same batch of modules. UTILITY MODEL CONTENT
[0005] In order to overcome the shortcomings of the prior art that the traditional aging test equipment can only test one module product, even if it can test multiple module products at the same time, due to the different positions of each module product in the test equipment, it cannot guarantee the consistency of the test environment of the module products in the same batch, resulting in poor test results of the same batch of modules, the utility model provides a kind of FDM module aging test equipment, characterized by comprising:
[0006] Transfer car, equipped with multiple placing positions;
[0007] The test cabinet is provided with a plurality of positions, and the positions correspond to the placing positions one by one.
[0008] The air conditioner is arranged on the test cabinet and is provided with an air inlet end and an air outlet end.
[0009] The main air duct is internally provided with a cavity with a gradually decreasing cross-sectional radius from the head to the tail, the head is provided with a first air inlet, the first air inlet is connected to the air inlet end of the air conditioner, and the side is provided with a plurality of first air outlets.
[0010] A plurality of branch air ducts are internally provided with a cavity with a gradually decreasing cross-sectional radius from the head to the tail, the head is provided with a second air inlet, the second air inlet of each branch air duct is connected to the first air inlet one by one, the branch air duct is provided with a plurality of second air outlets, and the second air outlets correspond to the positions one by one.
[0011] Optionally, each placing position is provided with a placing groove and a first guide, the first guide is located on both sides of the placing groove, and the placing groove is provided with a limiting knob.
[0012] Optionally, the test cabinet is internally provided with a first sensing module and a second sensing module.
[0013] Optionally, the test cabinet is further provided with a locking element, a travel switch and a controller, the transfer trolley is provided with a contact element, the travel switch and the locking element are connected through the controller, and the travel switch and the contact element are in position correspondence.
[0014] Optionally, the test cabinet is internally provided with an anti-collision element, and the second guide is arranged on both sides in the test cabinet.
[0015] Optionally, the test cabinet is internally provided with a plurality of butt joint back plates, the butt joint back plates correspond to the branch air pipes one by one, each butt joint back plate is provided with a plurality of pairs of openings, each opening is provided with a hinge and an opening and closing assembly.
[0016] Optionally, the opening and closing assembly comprises a latch and a spring, the butt joint back plate opening is provided with a through hole, the latch is arranged in the through hole, the spring is sleeved on the latch, and the latch abuts against the hinge.
[0017] Optionally, the main air duct is internally provided with a wind volume detection mechanism, and each branch air duct is provided with a temperature detection mechanism.
[0018] Optionally, the air inlet end is provided with an air valve.
[0019] Optionally, the test cabinet is provided with a cabinet door, and the cabinet door is provided with thermal insulation cotton.
[0020] The utility model discloses a beneficial effect is: transfer car has multiple placement, and test cabinet has multiple warehouse position, therefore can carry out aging test to multiple products, thereby promotes test efficiency;Different test environment is created to different products through air conditioner changes air parameter, and thereby adapts to different products;The cavity that head to tail section radius gradually reduces is equipped in main air duct, similarly, the cavity that head to tail section radius gradually reduces is also equipped in branch air duct, and the head of main air duct is connected with the air outlet end of air conditioner, and air flows from the head to the tail of main air duct, and because the cavity section radius gradually reduces, the air pressure difference is formed at the both ends of main air duct, and air can quickly circulate to the tail of main air duct, and the head of branch air duct is connected with main air duct, and similarly, because the cavity that head to tail section radius gradually reduces is equipped, the air that enters branch air duct from main air duct also can quickly flow branch air duct bottom, and after the air circulates branch air duct, can guarantee that every second air outlet 502 on branch air duct has the air flow of uniform air volume, thereby guaranteeing that the air circulation uniformity between main air duct and branch air duct, and the consistency of the test environment of product on different warehouse position is realized. BRIEF DESCRIPTION OF DRAWINGS
[0021] The utility model is further illustrated below in combination with the drawings and examples.
[0022] Figure 1 It is the assembly drawing in some examples;
[0023] Figure 2 It is the assembly drawing of partial structure in some examples;
[0024] Figure 3 It is the assembly drawing of partial structure in some examples;
[0025] Figure 4 It is the front view of partial structure in some examples;
[0026] Figure 5 It is the back view of partial structure in some examples;
[0027] Figure 6 It is the structure schematic drawing of transfer car in some examples;
[0028] Figure 7 It is the structure schematic drawing of transfer car in some examples;
[0029] Figure 8 It is the structure schematic drawing of main air duct and branch air duct in some examples;
[0030] Figure 9 It is the explosion structure schematic drawing of main air duct and branch air duct in some examples;
[0031] Figure 10 It is the explosion structure schematic drawing of branch air duct in some examples;
[0032] Figure 11 is a sectional view of a branch air duct in some embodiments;
[0033] Figure 12 is a structural schematic view of a docking backboard in some embodiments;
[0034] Figure 13 is a structural schematic view of a docking backboard in some embodiments.
[0035] BRIEF DESCRIPTION OF DRAWINGS
[0036] 1, transfer car; 2, test cabinet; 3, air conditioner; 301, air inlet end; 302, air outlet end; 303, air valve; 4, main air duct; 401, first air inlet; 402, first air outlet; 5, branch air duct; 6, FDM module; 501, second air inlet; 502, second air outlet; 101, placing groove; 102, first guide; 103, limiting knob; 201, photoelectric sensor; 202, photoelectric sensor support; 203, safety grating; 204, rotary air cylinder; 205, travel switch; 104, contact; 206, anti-collision piece; 207, second guide; 208, docking backboard; 209, loose-leaf; 210, bolt; 211, spring; 212, air volume detection mechanism; 213, cabinet door; 403, first partition; 503, second partition; 601, third air inlet; 602, third air outlet. DETAILED DESCRIPTION
[0037] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in the following combined with embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the coupling / connection relations involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be composed by adding or reducing coupling auxiliary components according to the specific implementation situation. The various technical features in the present application can be combined interactively without mutual contradiction and conflict.
[0038] The FDM module 6 is an FDM 3D printer, and the working principle is to build a complex three-dimensional structure by heating and extruding thermoplastic materials layer by layer in three-dimensional space, which is commonly used in manufacturing, medical, education, construction and other industries. The FDM module 6 to be tested itself has a third air inlet 601 and a third air outlet 602, and in the following content, the FDM module 6 is described as a product; and the aging test equipment is used to test the FDM module 6. The aging test aims to simulate and accelerate various environmental stresses that these components may encounter in actual use, such as temperature cycling, humidity, etc., in order to evaluate and improve their long-term stability.
[0039] The utility model provides a kind of FDM module 6 aging test equipment, including: transfer trolley 1, it is equipped with multiple placement sites;Test cabinet 2, it is equipped with multiple warehouse positions, the warehouse position is one-to-one correspondence with placement site;
[0040] Air conditioner 3 is installed on test cabinet 2, and is equipped with air inlet end 301 and air outlet end 302, air inlet end 301 is connected to the inside of test cabinet 2;Main air duct 4, inside is equipped with the cavity that cross section radius gradually decreases from head to tail portion, head is equipped with first air inlet 401, first air inlet 401 is connected to the air inlet end 301 of air conditioner 3, side is equipped with multiple first air outlets 402;Multiple branch air ducts 5, inside are equipped with the cavity that cross section radius gradually decreases from head to tail portion, head is equipped with second air inlet 501, and one second air inlet 501 of each branch air duct 5 is connected to one first air inlet 401, and multiple second air outlets 502 are provided on branch air duct 5, and second air outlet 502 is one-to-one correspondence with warehouse position. Wherein, transfer trolley 1 is used to carry and transfer product, test cabinet 2 is the main body for providing aging test, air conditioner 3 is used to adjust the temperature, humidity and air speed of air, air duct is used as the passage of air circulation, main air duct 4 is the main ventilation duct, and branch air duct 5 is branch ventilation duct.
[0041] In implementation, the air conditioner 3 is installed on the test cabinet 2, the first air inlet 401 at the head of the main air duct 4 is connected with the air outlet end 302 of the air conditioner 3, the second air inlet 501 at the head of each branch air duct 5 is connected with the first air outlet 402 of the main air duct 4, after the installation of the branch air duct 5, the second air outlet is connected with the bin position of the test cabinet 2 one by one, the corresponding relationship refers to the position correspondence, that is, the position of one bin position corresponds to one air outlet, the product is placed on the placing position of the transfer trolley 1, the transfer trolley 1 is pushed into the test cabinet 2, the transfer trolley 1 reaches the test cabinet 2, and the placing position is located in the bin position one by one, the corresponding relationship refers to the position correspondence, that is, one placing position corresponds to one bin position in position, then the HDMI line is inserted on the product, the air conditioner 3 is turned on, the temperature, humidity, air speed and other indexes are set, the air enters the main air duct 4 from the air outlet end 302 of the air conditioner 3, then enters the branch air duct 5 from the first air outlet 402 of the main air duct 4, and then flows to the bin position of the product from the second air outlet 502 of the branch air duct 5, the air enters the product from the third air inlet 601 of the product, and then flows out from the third air outlet 602 of the product, and finally the air returns to the air inlet end 301 of the air conditioner 3, so that the air circulation is realized, the aging test environment is created by the air with specific temperature, humidity and air speed, the product is subjected to aging test, and finally the aging test data is obtained; the transfer trolley 1 has a plurality of placing positions, the test cabinet 2 has a plurality of bin positions, so that a plurality of products can be subjected to aging test, thereby improving the test efficiency; different test environments are created by changing the air parameters of the air conditioner 3, so as to adapt to different products; the main air duct 4 is provided with a cavity with a gradually decreasing cross-sectional radius from the head to the tail, and similarly, the branch air duct 5 is also provided with a cavity with a gradually decreasing cross-sectional radius from the head to the tail, the head of the main air duct 4 is connected with the air outlet end 302 of the air conditioner 3, the air flows from the head to the tail of the main air duct 4, and due to the cavity with a gradually decreasing cross-sectional radius, the air pressure difference is formed between the two ends of the main air duct 4, so that the air quickly flows to the tail of the main air duct 4, the head of the branch air duct 5 is connected with the main air duct 4, and similarly, due to the cavity with a gradually decreasing cross-sectional radius from the head to the tail, the air entering the branch air duct 5 from the main air duct 4 also quickly flows to the bottom of the branch air duct 5, after the air quickly flows through the branch air duct 5, it can be ensured that the air with uniform air volume flows out of each second air outlet 502 on the branch air duct 5, so that the air flow uniformity between the main air duct 4 and the branch air duct 5 is ensured, and the consistency of the test environment of the products in different bin positions is realized.
[0042] Further, the test cabinet 2 comprises two combined cabinet bodies, each of which is provided with an equal number of storage positions, each of which can accommodate a transfer trolley 1, and each of which is provided with an air conditioner 3, and each air conditioner 3 is connected with a main air duct 4, and each main air duct 4 is connected with an equal number of branch air ducts 5, and the two cabinet bodies can expand the test scale and improve the test efficiency, and the main air duct 4 is provided with a first partition plate 403, and the first partition plate 403 divides the main air duct 4 into two cavities, one of which gradually decreases in cross-sectional radius from the head to the tail, and the other gradually increases in cross-sectional radius from the head to the tail, and the first air inlet 401 at the head of the main air duct 4 is the opening of the cavity gradually decreasing from the head to the tail; similarly, the branch air duct 5 is also provided with a second partition plate 503, and the second partition plate 503 divides the branch air duct 5 into two cavities, one of which gradually decreases in cross-sectional radius from the head to the tail, and the other gradually increases in cross-sectional radius from the head to the tail, and the second air inlet 501 at the head of the branch air duct is the opening of the cavity gradually decreasing from the head to the tail, when there are two cabinet bodies, the main air duct 4 is still only one, but the main air duct 4 is provided with two first partition plates 403, and the two first partition plates 403 form an equilateral triangle with the bottom of the main air duct 4, thereby dividing the main air duct 4 into three cavities, and the two cavities on the sides are cavities gradually decreasing in cross-sectional radius from the head to the tail, and the head of the main air duct 4 is divided into two first air inlets 401 of the same size, and the two first air inlets 401 are respectively connected with the air outlets 302 of the two air conditioners 3, and the advantage is that the space is effectively utilized.
[0043] In some cases, according to actual work requirements, the test cabinet 2 can be provided with three cabinet bodies or more cabinet bodies, and the number of cabinet bodies is not limited in the present application, and the main air duct 4 and the branch air duct 5 can not be divided into cavities gradually decreasing in cross-sectional radius by the partition plate, but can be directly set as a tapered pipe.
[0044] In some embodiments, each placement position is provided with a placement groove 101 and a first guide 102, and the first guide 102 is located on both sides of the placement groove 101, and the placement groove 101 is provided with a limiting knob 103.
[0045] In implementation, the placement groove 101 is installed on the placement position of the transfer trolley 1, the first guide 102 is arranged on both sides of the placement groove 101, and the limiting knob 103 is installed on the placement groove 101, the product is pushed into the placement groove 101 along the direction indicated by the first guide 102, and after the product is completely pushed into the placement groove 101, the limiting knob 103 is rotated to abut against the product, so that the limiting knob 103 can prevent the product from sliding out of the placement groove 101, the first guide 102 plays a guiding role in pushing the product, and the placement groove 101 is used to support the product to prevent the product from falling.
[0046] Further, the first guide 102 is a groove arranged on both sides of the placing groove 101, and the product is provided with a sliding block on both sides. When the product is pushed into the placing groove 101, the sliding block is first clamped into the groove, and then the product is gradually pushed into the placing groove 101. In this way, not only the guiding effect is achieved, but also the limiting effect on the product is achieved.
[0047] In some embodiments, the test cabinet 2 is provided with a first sensing module and a second sensing module.
[0048] In implementation, the first sensing module and the second sensing module are arranged in the test cabinet 2. The first sensing module is used to sense the type of the trolley, and the second sensing module is used to sense whether the HDMI line is pulled out. The product is inserted with the HDMI line before testing, and then the testing is started. After the testing is completed, the HDMI line needs to be pulled out. However, sometimes the HDMI line is missed to be pulled out. If the trolley 1 is directly pulled out, the product may be damaged. Therefore, the second sensing module can be used to sense and identify whether the HDMI line has been pulled out. If the HDMI line that is missed to be pulled out is prompted, the HDMI line that is missed to be pulled out is pulled out, and then the trolley 1 is pulled out, so as to avoid damage to the product. The second test cabinet 2 tests different types of products, and different types of trolleys 1 are needed to carry the trolley. Therefore, the first sensing module can be used to sense and identify the type of the trolley 1, so as to facilitate adjustment of the test mode.
[0049] Further, the first sensing module includes a photoelectric sensor 201 and a photoelectric sensing bracket 202. The photoelectric sensor 201 is arranged in the test cabinet 2, and the photoelectric sensing bracket 202 is arranged on the trolley 1. The photoelectric sensing bracket 202 is arranged at different positions on the trolley 1 for different types of trolleys 1. The photoelectric sensing bracket 202 at different positions is used to identify different types of trolleys 1. The second sensing module includes a safety light barrier 203. The safety light barrier 203 is arranged on the side surface inside the test cabinet 2. The test cabinet 2 is provided with a plurality of safety light barriers 203. The safety light barrier 203 is used to sense the position of the HDMI, so as to identify whether the HDMI has been pulled out from the product.
[0050] In some embodiments, the test cabinet 2 is further provided with a locking element, a travel switch 205, and a controller. The trolley 1 is provided with a contact piece 104. The travel switch 205 and the locking element are connected through the controller. The travel switch 205 and the contact piece 104 are positionally corresponding.
[0051] In implementation, the locking element, the controller and the travel switch 205 are arranged in the test cabinet 2, the contact piece 104 is arranged on the transfer trolley 1, after the transfer trolley 1 is pushed into the test cabinet 2, the contact piece 104 contacts the travel switch 205, so that the travel switch 205 is triggered, the travel switch 205 sends a triggering instruction to the controller, and the controller controls the locking element to lock the transfer trolley 1 in the test cabinet 2, so that automatic locking of the transfer trolley 1 into the test cabinet 2 is realized, and movement of the transfer trolley 1 in the test is avoided to cause test failure.
[0052] Further, the locking element includes a rotary air cylinder 204, the transfer trolley 1 is provided with a cross beam, the rotary air cylinder 204 is provided with an L-shaped lock head at an output end, the rotary air cylinder 204 rotates the L-shaped lock head after the transfer trolley 1 enters the test cabinet 2, the L-shaped lock head clamps the cross beam of the transfer trolley 1, the travel switch 205 is provided with a guide plate at a side edge, the guide plate can ensure accurate contact between the contact piece 104 on the transfer trolley 1 and the travel switch 205, and the rotary air cylinder 204 is arranged at the top and the bottom of the inside of the test cabinet 2 respectively, and the top of the transfer trolley 1 and the bottom of the transfer trolley 1 are locked respectively, so that a better locking effect is achieved.
[0053] In some embodiments, the second guide piece 207 and the anti-collision piece 206 are arranged at two sides in the test cabinet 2.
[0054] In implementation, the second guide piece 207 and the anti-collision piece 206 are arranged at two sides in the test cabinet 2, the transfer trolley 1 can enter the test cabinet 2 along the second guide piece 207, and the anti-collision piece 206 can prevent the transfer trolley 1 from colliding with the inner wall of the test cabinet 2 after the transfer trolley 1 is pushed into the test cabinet 2.
[0055] Further, the second guide piece 207 is a guide plate, and the anti-collision piece 206 is an optimus rubber block. In some cases, the second guide piece 207 can also be a guide plate provided with a pulley, and the anti-collision piece 206 can also be a rubber block.
[0056] In some embodiments, a plurality of docking back plates 208 are arranged in the test cabinet 2, the docking back plates 208 correspond to the air ducts one by one, a plurality of groups of openings are arranged on each docking back plate 208, a hinge 209 and an opening and closing assembly are arranged at each opening.
[0057] In implementation, a plurality of docking back plates 208 are arranged in the test cabinet 2, the docking back plates 208 correspond to the branch air ducts in position and quantity, a plurality of pairs of openings are arranged on the docking back plates 208, after the transfer trolley 1 loaded with products is pushed into the test cabinet 2, the third air outlet 602 of each product and the third air inlet 601 are respectively docked with a pair of openings, the air from the second air outlet 502 passes through the openings and then enters the product from the third air inlet 601 of the product, the openings of the docking back plates 208 are provided with hinges 209 and opening and closing assemblies, the opening and closing assemblies are used for adjusting the opening and closing of the hinges 209.
[0058] In some embodiments, the opening and closing assembly includes a latch 210 and a spring 211, a through hole is arranged above the opening of the docking back plate 208, the latch 210 is arranged in the through hole, the spring 211 is sleeved on the latch 210, and the latch 210 abuts against the hinge 209.
[0059] In implementation, the spring 211 is sleeved on the latch 210, the latch 210 is arranged in the through hole, one end of the latch 210 abuts against the hinge 209, after the transfer trolley 1 loaded with products is pushed into the test cabinet 2, the products abut against the latch 210 and push the latch 210 to move in the through hole, the latch 210 pushes the hinge 209 away, so that the opening is opened, the air of the second air outlet 502 can pass through the opening and enter the third air inlet 601, the hinge 209 is opened by abutting against the latch 210, the pushing and opening are synchronously performed, and it is ensured that the air can pass through only the placing position with products.
[0060] In some embodiments, the main air duct 4 is provided with an air volume detection mechanism 212, and each branch air duct 5 is provided with a temperature detection mechanism.
[0061] In implementation, the air volume detection mechanism 212 is arranged in the main air duct 4, and the temperature detection mechanism is arranged in each branch air duct 5, the air volume detection mechanism 212 is used for detecting the air volume passing through the main air duct 4, and the temperature detection mechanism is used for detecting the temperature of the air in the branch air duct 5, and the air volume and temperature index in the main air duct 4 and the branch air duct 5 are controlled through the temperature detection mechanism and the air volume detection mechanism 212.
[0062] In some embodiments, the air inlet end 301 is provided with an air valve 303.
[0063] In implementation, the air valve 303 is arranged at the air inlet end 301, so as to control the air entering the air inlet end 301.
[0064] In some embodiments, the test cabinet 2 is provided with a cabinet door 213, and the cabinet door 213 is provided with thermal insulation cotton.
[0065] In implementation, the thermal insulation cotton is arranged on the cabinet door, and the inside of the test cabinet is thermally insulated.
[0066] The above is a specific description of the preferred embodiment of the present application, but the present application is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present application. These equivalent modifications or substitutions are all included in the scope defined by the claims of the present application.
Claims
1. An FDM module aging test device, characterized in that: include: Transfer cart with multiple placement locations; The test cabinet is provided with a plurality of storage locations, each of which corresponds to a placement location one by one; An air conditioner is installed on the test cabinet and is provided with an air inlet and an air outlet, wherein the air inlet is connected to the interior of the test cabinet; The main air duct has a cavity with a cross-sectional radius gradually decreasing from the head to the tail, a first air inlet is provided at the head, the first air inlet is connected to the air inlet end of the air conditioner, and a plurality of first air outlets are provided on the side; There are multiple branch air ducts, each with a cavity whose cross-sectional radius gradually decreases from the head to the tail. The head is provided with a second air inlet, and the second air inlet of each branch air duct is connected one-to-one with the first air inlet. There are multiple second air outlets on the branch air duct, and the second air outlets correspond one-to-one to the warehouse positions.
2. The FDM module aging test equipment according to claim 1, characterized in that: Each placement position is provided with a placement slot and a first guide member, the first guide member is located on both sides of the placement slot, and a limit knob is provided on the placement slot.
3. The FDM module aging test equipment according to claim 1, characterized in that: A first sensing module and a second sensing module are provided in the test cabinet.
4. The FDM module aging test equipment according to claim 1, characterized in that: The test cabinet is also provided with a locking element, a travel switch, and a controller. The transfer vehicle is provided with a contact piece. The travel switch is connected to the locking element through the controller, and the travel switch corresponds to the contact piece in position.
5. The FDM module aging test equipment according to claim 1, characterized in that: An anti-collision piece is provided in the test cabinet, and second guide pieces are provided on both sides of the interior of the test cabinet.
6. The FDM module aging test equipment according to claim 1, characterized in that: The test cabinet is provided with a plurality of docking back panels, which correspond to the branch air ducts one by one. Each docking back panel is provided with a plurality of pairs of openings, and each opening is provided with a hinge and an opening and closing component.
7. The FDM module aging test equipment according to claim 6, characterized in that: The opening and closing assembly includes a latch and a spring. A through hole is provided above the opening of the docking back plate. The latch is provided in the through hole. A spring is sleeved on the latch. The latch abuts against the hinge.
8. The FDM module aging test equipment according to claim 1, characterized in that: An air volume detection mechanism is provided in the main air duct, and a temperature detection mechanism is provided on each branch air duct.
9. The FDM module aging test equipment according to claim 1, characterized in that: An air valve is provided at the air inlet end.
10. The FDM module aging test equipment according to claim 1, characterized in that: The test cabinet is provided with a cabinet door, and the cabinet door is provided with heat insulation cotton.